Geir E. Tjønnfjord

  • Professor II
  • +47-23 07 07 13

Publications 2021

Ali MM, Grønvold B, Remberger M, Abrahamsen IW, Myhre AE, Tjønnfjord GE, Fløisand Y, Gedde-Dahl T (2021)
Addition of Anti-thymocyte Globulin in Allogeneic Stem Cell Transplantation With Peripheral Stem Cells From Matched Unrelated Donors Improves Graft-Versus-Host Disease and Relapse Free Survival
Clin Lymphoma Myeloma Leuk, 21 (9), 598-605
DOI 10.1016/j.clml.2021.05.003, PubMed 34158268

Cui XY, Tjønnfjord GE, Kanse SM, Dahm AEA, Iversen N, Myklebust CF, Sun L, Jiang ZX, Ueland T, Campbell JJ, Ho M, Sandset PM (2021)
Tissue factor pathway inhibitor upregulates CXCR7 expression and enhances CXCL12-mediated migration in chronic lymphocytic leukemia
Sci Rep, 11 (1), 5127
DOI 10.1038/s41598-021-84695-8, PubMed 33664415

Małecka A, Trøen G, Delabie J, Małecki J, Østlie I, Tierens A, Randen U, Berentsen S, Tjønnfjord GE (2021)
The mutational landscape of cold agglutinin disease: CARD11 and CXCR4 mutations are correlated with lower hemoglobin levels
Am J Hematol, 96 (8), E279-E283
DOI 10.1002/ajh.26205, PubMed 33891703

Måseide RJ, Berntorp E, Astermark J, Hansen J, Olsson A, Bruzelius M, Frisk T, Aspdahl M, Nummi V, Tjønnfjord GE, Holme PA (2021)
Haemophilia early arthropathy detection with ultrasound and haemophilia joint health score in the moderate haemophilia (MoHem) study
Haemophilia, 27 (2), e253-e259
DOI 10.1111/hae.14245, PubMed 33550602

Måseide RJ, Berntorp E, Nummi V, Lassila R, Tjønnfjord GE, Holme PA (2021)
Bleeding phenotype of patients with moderate haemophilia A and B assessed by thromboelastometry and thrombin generation
Haemophilia, 27 (5), 793-801
DOI 10.1111/hae.14355, PubMed 34106506

Mirlashari MR, Vetlesen A, Nissen-Meyer LSH, Naper C, Tjønnfjord GE, Njerve IU, Ezligini F, Landmark BF, Meinke S, Sandgren P, Höglund P, Hetland G (2021)
HLA class I depletion by citric acid, and irradiation of apheresis platelets for transfusion of refractory patients
Transfusion, 61 (4), 1222-1234
DOI 10.1111/trf.16282, PubMed 33580979

Remberger M, Tjønnfjord GE, Abrahamsen IW, Ali M, Myhre AE, Gedde-Dahl T, Fløisand Y (2021)
Superior Graft-versus-Host Disease-Free Relapse-Free Survival in Matched Unrelated Donor Hematopoietic Stem Cell Transplantation with Anti-Thymocyte Globulin (ATG) Compared to Matched Related Donor without ATG
Transplant Cell Ther, 27 (7), 621.e1-621.e3
DOI 10.1016/j.jtct.2021.03.019, PubMed 33895156

Schultz NH, Sørvoll IH, Michelsen AE, Munthe LA, Lund-Johansen F, Ahlen MT, Wiedmann M, Aamodt AH, Skattør TH, Tjønnfjord GE, Holme PA (2021)
Thrombosis and Thrombocytopenia after ChAdOx1 nCoV-19 Vaccination
N Engl J Med, 384 (22), 2124-2130
DOI 10.1056/NEJMoa2104882, PubMed 33835768

Skaarud KJ, Hov JR, Hansen SH, Kummen M, Valeur J, Seljeflot I, Bye A, Paulsen V, Lundin KEA, Troseid M, Tjonnfjord GE, Iversen PO (2021)
Mortality and microbial diversity after allogeneic hematopoietic stem cell transplantation: secondary analysis of a randomized nutritional intervention trial
Sci Rep, 11 (1), 11593
DOI 10.1038/s41598-021-90976-z

Skaarud KJ, Hov JR, Hansen SH, Kummen M, Valeur J, Seljeflot I, Bye A, Paulsen V, Lundin KEA, Trøseid M, Tjønnfjord GE, Iversen PO (2021)
Mortality and microbial diversity after allogeneic hematopoietic stem cell transplantation: secondary analysis of a randomized nutritional intervention trial
Sci Rep, 11 (1), 11593
DOI 10.1038/s41598-021-90976-z, PubMed 34078971

Tjonnfjord GE, Schjesvold FH, Gulbrandsen N, Kvam AK (2021)
Monoclonal gammopathy of clinical importance
Tidsskr. Nor. Laegeforen., 141 (13), 1276-1280

Tjønnfjord GE, Schjesvold FH, Gulbrandsen N, Kvam AK (2021)
Monoklonal gammopati av klinisk betydning
Tidsskr Nor Laegeforen, 141 (2021-13)
DOI 10.4045/tidsskr.20.0981, PubMed 34596996

Publications 2020

Berentsen S, Barcellini W, D'Sa S, Randen U, Tvedt THA, Fattizzo B, Haukås E, Kell M, Brudevold R, Dahm AEA, Dalgaard J, Frøen H, Hallstensen RF, Jæger PH, Hjorth-Hansen H, Małecka A, Oksman M, Rolke J, Sekhar M, Sørbø JH, Tjønnfjord E, Tsykunova G, Tjønnfjord GE (2020)
Cold agglutinin disease revisited: a multinational, observational study of 232 patients
Blood, 136 (4), 480-488
DOI 10.1182/blood.2020005674, PubMed 32374875

Berentsen S, Malecka A, Randen U, Tjønnfjord GE (2020)
Cold agglutinin disease: where do we stand, and where are we going?
Clin Adv Hematol Oncol, 18 (1), 35-44
PubMed 32511221

Berentsen S, Malecka A, Randen U, Tjonnfjord GE (2020)
Cold Agglutinin Disease: Where Do We Stand, and Where Are We Going?
Clin. Adv. Hematol. Oncol., 18 (1), 35-44

Grønvold B, Ali MM, Remberger M, Mattsson J, Egeland T, Lundin KU, Myhre AE, Abrahamsen IW, Heldal D, Dybedal I, Tjønnfjord GE, Fløisand Y, Gedde-Dahl T (2020)
HLA-DPB1 mismatch reduce relapse and improve survival in T-cell replete unrelated donor allogeneic stem cell transplantation
Bone Marrow Transplant, 55 (8), 1658-1661
DOI 10.1038/s41409-020-0827-3, PubMed 32054997

Hetland G, Tangen JM, Mahmood F, Mirlashari MR, Nissen-Meyer LSH, Nentwich I, Therkelsen SP, Tjønnfjord GE, Johnson E (2020)
Antitumor, Anti-Inflammatory and Antiallergic Effects of Agaricus blazei Mushroom Extract and the Related Medicinal Basidiomycetes Mushrooms, Hericium erinaceus and Grifola frondosa: A Review of Preclinical and Clinical Studies
Nutrients, 12 (5)
DOI 10.3390/nu12051339, PubMed 32397163

Lenartova A, Johannesen TB, Tjønnfjord GE (2020)
Chronic lymphocytic leukemia and secondary hematological malignancies: A nation-wide cancer registry study
Eur J Haematol, 104 (6), 546-553
DOI 10.1111/ejh.13396, PubMed 32058605

Małecka A, Delabie J, Østlie I, Tierens A, Randen U, Berentsen S, Tjønnfjord GE, Trøen G (2020)
Cold agglutinin-associated B-cell lymphoproliferative disease shows highly recurrent gains of chromosome 3 and 12 or 18
Blood Adv, 4 (6), 993-996
DOI 10.1182/bloodadvances.2020001608, PubMed 32168377

Marvyin K, Tjønnfjord EB, Breland UM, Tjønnfjord GE (2020)
Transformation to plasmablastic lymphoma in CLL upon ibrutinib treatment
BMJ Case Rep, 13 (9)
DOI 10.1136/bcr-2020-235816, PubMed 32994268

Måseide RJ, Berntorp E, Astermark J, Olsson A, Bruzelius M, Frisk T, Nummi V, Lassila R, Tjønnfjord GE, Holme PA (2020)
Joint health and treatment modalities in Nordic patients with moderate haemophilia A and B - The MoHem study
Haemophilia, 26 (5), 891-897
DOI 10.1111/hae.14114, PubMed 33021747

Mpinganzima C, Haaland A, Holm AGV, Thein SL, Tjønnfjord GE, Iversen PO (2020)
Two Consecutive Episodes of Severe Delayed Hemolytic Transfusion Reaction in a Sickle Cell Disease Patient
Case Rep Hematol, 2020, 2765012
DOI 10.1155/2020/2765012, PubMed 32351743

Remberger M, Grønvold B, Ali M, Mattsson J, Egeland T, Lundin KU, Myhre A, Abrahamsen I, Heldal D, Dybedal I, Tjønnfjord GE, Gedde-Dahl T, Fløisand Y (2020)
The CD34+ Cell Dose Matters in Hematopoietic Stem Cell Transplantation with Peripheral Blood Stem Cells from Sibling Donors
Clin Hematol Int, 2 (2), 74-81
DOI 10.2991/chi.d.200221.001, PubMed 34595446

Publications 2019

Andersen MF, Holme PA, Tjønnfjord GE (2019)
Surgical procedures in patients with severe haemophilia 1997–2014
Tidsskr Nor Laegeforen, 139 (8)
DOI 10.4045/tidsskr.18.0592, PubMed 31062561

Andersen MLF, Holme PA, Tjonnfjord GE (2019)
Surgical intervention in patients with severe bleeding disorder 1997-2014
Tidsskr. Nor. Laegeforen., 139 (8), 709-712

Berentsen S, Röth A, Randen U, Jilma B, Tjønnfjord GE (2019)
Cold agglutinin disease: current challenges and future prospects
J Blood Med, 10, 93-103
DOI 10.2147/JBM.S177621, PubMed 31114413

Chellappa S, Kushekhar K, Munthe LA, Tjønnfjord GE, Aandahl EM, Okkenhaug K, Taskén K (2019)
The PI3K p110δ Isoform Inhibitor Idelalisib Preferentially Inhibits Human Regulatory T Cell Function
J Immunol, 202 (5), 1397-1405
DOI 10.4049/jimmunol.1701703, PubMed 30692213

Gamage TH, Lengle E, Gunnes G, Pullisaar H, Holmgren A, Reseland JE, Merckoll E, Corti S, Mizobuchi M, Morales RJ, Tsiokas L, Tjønnfjord GE, Lacruz RS, Lyngstadaas SP, Misceo D, Frengen E (2019)
STIM1 R304W in mice causes subgingival hair growth and an increased fraction of trabecular bone
Cell Calcium, 85, 102110
DOI 10.1016/j.ceca.2019.102110, PubMed 31785581

Jønsson V, Awan H, Jones ND, Johannesen TB, Steig BÁ, Andosdottir G, Tjønnfjord GE (2019)
Inheritance of Susceptibility to Malignant Blood Disorders
Sci Rep, 9 (1), 2444
DOI 10.1038/s41598-019-38879-y, PubMed 30792429

Lenartova A, Randen U, Johannesen TB, Tjønnfjord GE (2019)
Richter syndrome epidemiology in a large population based chronic lymphocytic leukemia cohort from Norway
Cancer Epidemiol, 60, 128-133
DOI 10.1016/j.canep.2019.04.002, PubMed 30986631

Skaarud KJ, Veierød MB, Lergenmuller S, Bye A, Iversen PO, Tjønnfjord GE (2019)
Body weight, body composition and survival after 1 year: follow-up of a nutritional intervention trial in allo-HSCT recipients
Bone Marrow Transplant, 54 (12), 2102-2109
DOI 10.1038/s41409-019-0638-6, PubMed 31455897

Skånland SS, Cremaschi A, Bendiksen H, Hermansen JU, Thimiri Govinda Raj DB, Munthe LA, Tjønnfjord GE, Taskén K (2019)
An in vitro assay for biomarker discovery and dose prediction applied to ibrutinib plus venetoclax treatment of CLL
Leukemia, 34 (2), 478-487
DOI 10.1038/s41375-019-0569-7, PubMed 31471562

Torkildsen S, Gorunova L, Heim S, Tjønnfjord GE, Spetalen S, Risberg B, Tran HTT, Panagopoulos I (2019)
Molecular Genetic Characterization of Acute Myeloid Leukemia With Trisomy 4 as the Sole Chromosome Abnormality
Cancer Genomics Proteomics, 16 (3), 175-178
DOI 10.21873/cgp.20123, PubMed 31018948

Tvedt THA, Skaarud KJ, Tjønnfjord GE, Gedde-Dahl T, Iversen PO, Bruserud Ø (2019)
The Systemic Metabolic Profile Early after Allogeneic Stem Cell Transplantation: Effects of Adequate Energy Support Administered through Enteral Feeding Tube
Biol Blood Marrow Transplant, 26 (2), 380-391
DOI 10.1016/j.bbmt.2019.10.005, PubMed 31622769

Publications 2018

Bhamra JS, Iversen PO, Titze TK, Tjønnfjord GE, Akkök ÇA (2018)
A Case of Posttransfusion Purpura with Severe Refractory Thrombocytopenia but No Cutaneous Manifestations
Case Rep Hematol, 2018, 8187659
DOI 10.1155/2018/8187659, PubMed 30510818

Diep PP, Melberg HO, Brinch L, Buechner J, Fløisand Y, Gedde-Dahl T, Loge JH, Tjønnfjord GE, Ruud E (2018)
Cost-utility of allogeneic hematopoietic stem cell transplantation in Norway
Bone Marrow Transplant, 53 (5), 657-660
DOI 10.1038/s41409-018-0091-y, PubMed 29358600

Gamage TH, Gunnes G, Lee RH, Louch WE, Holmgren A, Bruton JD, Lengle E, Kolstad TRS, Revold T, Amundsen SS, Dalen KT, Holme PA, Tjønnfjord GE, Christensen G, Westerblad H, Klungland A, Bergmeier W, Misceo D, Frengen E (2018)
STIM1 R304W causes muscle degeneration and impaired platelet activation in mice
Cell Calcium, 76, 87-100
DOI 10.1016/j.ceca.2018.10.001, PubMed 30390422

Habberstad AH, Tran HTT, Randen U, Spetalen S, Dybedal I, Tjønnfjord GE, Dahm AEA (2018)
Neutropenia caused by hairy cell leukemia in a patient with myelofibrosis secondary to polycythemia vera: a case report
J Med Case Rep, 12 (1), 105
DOI 10.1186/s13256-018-1663-6, PubMed 29685167

Hermansen JU, Tjønnfjord GE, Munthe LA, Taskén K, Skånland SS (2018)
Cryopreservation of primary B cells minimally influences their signaling responses
Sci Rep, 8 (1), 17651
DOI 10.1038/s41598-018-36121-9, PubMed 30518828

Holme PA, Tjønnfjord GE (2018)
Continuous infusion of simoctocog alfa in haemophilia A patients undergoing surgeries
Haemophilia, 25 (1), 54-59
DOI 10.1111/hae.13625, PubMed 30394617

Myhrvold IK, Cremaschi A, Hermansen JU, Tjønnfjord GE, Munthe LA, Taskén K, Skånland SS (2018)
Single cell profiling of phospho-protein levels in chronic lymphocytic leukemia
Oncotarget, 9 (10), 9273-9284
DOI 10.18632/oncotarget.23949, PubMed 29507689

Rogne M, Svaerd O, Madsen-Østerbye J, Hashim A, Tjønnfjord GE, Staerk J (2018)
Cytokinesis arrest and multiple centrosomes in B cell chronic lymphocytic leukaemia
J Cell Mol Med, 22 (5), 2846-2855
DOI 10.1111/jcmm.13579, PubMed 29516674

Skaarud KJ, Hjermstad MJ, Bye A, Veierød MB, Gudmundstuen AM, Lundin KEA, Distante S, Brinch L, Tjønnfjord GE, Iversen PO (2018)
Effects of individualized nutrition after allogeneic hematopoietic stem cell transplantation following myeloablative conditioning; a randomized controlled trial
Clin Nutr ESPEN, 28, 59-66
DOI 10.1016/j.clnesp.2018.08.002, PubMed 30390894

Tangen JM, Tjønnfjord GE, Gulbrandsen N, Gedde-Dahl T, Stormorken E, Anderson K, Vo CD, Schjesvold FH, For Oslo Myeloma Center (2018)
Improved outcome in patients following autologous stem cell transplantation for multiple myeloma in south eastern Norway 2001-2010: a retrospective, population based analysis
BMC Cancer, 18 (1), 801
DOI 10.1186/s12885-018-4722-x, PubMed 30089450

Thimiri Govinda Raj DB, Cremaschi A, Skånland SS, Gade A, Schjesvold FH, Tjønnfjord GE, Munthe LA, Tasken K (2018)
In-Vitro Drug Sensitivity Screening in Chronic Lymphocytic Leukemia (CLL) Primary Patient Samples Identifies Drug Candidates for Precision Cancer Therapy
Blood, 132, 4676
DOI 10.1182/blood-2018-99-110357, PublikaID 304

Thimiri Govinda Raj DB, Giliberto M, Cremaschi A, Skånland SS, Gade A, Tjønnfjord GE, Schjesvold FH, Munthe LA, Tasken K (2018)
Drug Sensitivity Screening on Multiple Myeloma for Precision Cancer Therapy
Blood, 132, 4677
DOI 10.1182/blood-2018-99-110669, PublikaID 303

Publications 2017

Berentsen S, Randen U, Oksman M, Birgens H, Tvedt THA, Dalgaard J, Galteland E, Haukås E, Brudevold R, Sørbø JH, Næss IA, Malecka A, Tjønnfjord GE (2017)
Bendamustine plus rituximab for chronic cold agglutinin disease: results of a Nordic prospective multicenter trial
Blood, 130 (4), 537-541
DOI 10.1182/blood-2017-04-778175, PubMed 28533306

Holme PA, Tjønnfjord GE, Batorova A (2017)
Continuous infusion of coagulation factor concentrates during intensive treatment
Haemophilia, 24 (1), 24-32
DOI 10.1111/hae.13331, PubMed 28873263

Małecka A, Trøen G, Tierens A, Østlie I, Małecki J, Randen U, Wang J, Berentsen S, Tjønnfjord GE, Delabie JMA (2017)
Frequent somatic mutations of KMT2D (MLL2) and CARD11 genes in primary cold agglutinin disease
Br J Haematol, 183 (5), 838-842
DOI 10.1111/bjh.15063, PubMed 29265349

Panagopoulos I, Gorunova L, Torkildsen S, Tjønnfjord GE, Micci F, Heim S (2017)
DEK-NUP214-Fusion Identified by RNA-Sequencing of an Acute Myeloid Leukemia with t(9;12)(q34;q15)
Cancer Genomics Proteomics, 14 (6), 437-443
DOI 10.21873/cgp.20053, PubMed 29109093

Tjønnfjord E, Vengen ØA, Berentsen S, Tjønnfjord GE (2017)
Prophylactic use of eculizumab during surgery in chronic cold agglutinin disease
BMJ Case Rep, 2017
DOI 10.1136/bcr-2016-219066, PubMed 28487302

Vojdeman FJ, Herman SEM, Kirkby N, Wiestner A, van T' Veer MB, Tjønnfjord GE, Itälä-Remes MA, Kimby E, Farooqui MZ, Polliack A, Wu KL, Doorduijn JK, Alemayehu WG, Wittebol S, Kozak T, Walewski J, Abrahamse-Testroote MCJ, van Oers MHJ, Geisler CH, Niemann CU (2017)
Soluble CD52 is an indicator of disease activity in chronic lymphocytic leukemia
Leuk Lymphoma, 58 (10), 2356-2362
DOI 10.1080/10428194.2017.1285027, PubMed 28278728

Wang D, Fløisand Y, Myklebust CV, Bürgler S, Parente-Ribes A, Hofgaard PO, Bogen B, Taskén K, Tjønnfjord GE, Schjesvold F, Dalgaard J, Tveita A, Munthe LA (2017)
Autologous bone marrow Th cells can support multiple myeloma cell proliferation in vitro and in xenografted mice
Leukemia, 31 (10), 2114-2121
DOI 10.1038/leu.2017.69, PubMed 28232741

Publications 2016

Barratt-Due A, Fløisand Y, Orrem HL, Kvam AK, Holme PA, Bergseth G, Tjønnfjord GE, Mollnes TE (2016)
Complement activation is a crucial pathogenic factor in catastrophic antiphospholipid syndrome
Rheumatology (Oxford), 55 (7), 1337-9
DOI 10.1093/rheumatology/kew040, PubMed 27105662

Fløisand Y, Lundin KEA, Lazarevic V, Kristiansen JD, Osnes LTN, Tjønnfjord GE, Reims HM, Gedde-Dahl T (2016)
Targeting Integrin α4β7 in Steroid-Refractory Intestinal Graft-versus-Host Disease
Biol Blood Marrow Transplant, 23 (1), 172-175
DOI 10.1016/j.bbmt.2016.10.009, PubMed 27777142

Lenartova A, Johannesen TB, Tjønnfjord GE (2016)
National trends in incidence and survival of chronic lymphocytic leukemia in Norway for 1953-2012: a systematic analysis of population-based data
Cancer Med, 5 (12), 3588-3595
DOI 10.1002/cam4.849, PubMed 27925456

Małecka A, Trøen G, Tierens A, Østlie I, Małecki J, Randen U, Berentsen S, Tjønnfjord GE, Delabie JM (2016)
Immunoglobulin heavy and light chain gene features are correlated with primary cold agglutinin disease onset and activity
Haematologica, 101 (9), e361-4
DOI 10.3324/haematol.2016.146126, PubMed 27198717

Stray-Pedersen A, Sorte HS, Samarakoon P, Gambin T, Chinn IK, Coban Akdemir ZH, Erichsen HC, Forbes LR, Gu S, Yuan B, Jhangiani SN, Muzny DM, Rødningen OK, Sheng Y, Nicholas SK, Noroski LM, Seeborg FO, Davis CM, Canter DL, Mace EM, Vece TJ, Allen CE, Abhyankar HA, Boone PM, Beck CR et al. (2016)
Primary immunodeficiency diseases: Genomic approaches delineate heterogeneous Mendelian disorders
J Allergy Clin Immunol, 139 (1), 232-245
DOI 10.1016/j.jaci.2016.05.042, PubMed 27577878

Vandraas K, Tjønnfjord GE, Johannesen TB, Brandal P (2016)
Persistent bone marrow depression following short-term treatment with temozolomide
BMJ Case Rep, 2016
DOI 10.1136/bcr-2016-215797, PubMed 27130558

Vojdeman FJ, Van't Veer MB, Tjønnfjord GE, Itälä-Remes M, Kimby E, Polliack A, Wu KL, Doorduijn JK, Alemayehu WG, Wittebol S, Kozak T, Walewski J, Abrahamse-Testroote MC, van Oers MH, Geisler CH (2016)
The HOVON68 CLL trial revisited: performance status and comorbidity affect survival in elderly patients with chronic lymphocytic leukemia
Leuk Lymphoma, 58 (3), 594-600
DOI 10.1080/10428194.2016.1213831, PubMed 27484290

von Krogh AS, Quist-Paulsen P, Waage A, Langseth ØO, Thorstensen K, Brudevold R, Tjønnfjord GE, Largiadèr CR, Lämmle B, Kremer Hovinga JA (2016)
High prevalence of hereditary thrombotic thrombocytopenic purpura in central Norway: from clinical observation to evidence
J Thromb Haemost, 14 (1), 73-82
DOI 10.1111/jth.13186, PubMed 26566785

Publications 2015

Berentsen S, Randen U, Tjønnfjord GE (2015)
Cold agglutinin-mediated autoimmune hemolytic anemia
Hematol Oncol Clin North Am, 29 (3), 455-71
DOI 10.1016/j.hoc.2015.01.002, PubMed 26043385

Ghanima W, Khelif A, Waage A, Michel M, Tjønnfjord GE, Romdhan NB, Kahrs J, Darne B, Holme PA, RITP study group (2015)
Rituximab as second-line treatment for adult immune thrombocytopenia (the RITP trial): a multicentre, randomised, double-blind, placebo-controlled trial
Lancet, 385 (9978), 1653-61
DOI 10.1016/S0140-6736(14)61495-1, PubMed 25662413

Lappegård KT, Bjerre A, Tjønnfjord GE, Mollnes TE (2015)
Therapeutic complement inhibition – from experimental to clinical medicine
Tidsskr Nor Laegeforen, 135 (19), 1745-9
DOI 10.4045/tidsskr.15.0049, PubMed 26486669

Nissen-Meyer LS, Tjønnfjord GE, Golebiowska E, Kjeldsen-Kragh J, Akkök ÇA (2015)
Paroxysmal nocturnal haemoglobinuria at Oslo University Hospital 2000-2010
Tidsskr Nor Laegeforen, 135 (11), 1039-43
DOI 10.4045/tidsskr.14.0444, PubMed 26080779

Parente-Ribes A, Skånland SS, Bürgler S, Os A, Wang D, Bogen B, Tjønnfjord GE, Taskén K, Munthe LA (2015)
Spleen tyrosine kinase inhibitors reduce CD40L-induced proliferation of chronic lymphocytic leukemia cells but not normal B cells
Haematologica, 101 (2), e59-62
DOI 10.3324/haematol.2015.135590, PubMed 26589914

Tangen JM, Tierens A, Caers J, Binsfeld M, Olstad OK, Trøseid AM, Wang J, Tjønnfjord GE, Hetland G (2015)
Immunomodulatory effects of the Agaricus blazei Murrill-based mushroom extract AndoSan in patients with multiple myeloma undergoing high dose chemotherapy and autologous stem cell transplantation: a randomized, double blinded clinical study
Biomed Res Int, 2015, 718539
DOI 10.1155/2015/718539, PubMed 25664323

Tjønnfjord GE, Jønsson V, Ly BE, Johannesen TB (2015)
[Familial occurrence of chronic lymphatic leukemia in Norway]
Tidsskr Nor Laegeforen, 135 (18), 1626
DOI 10.4045/tidsskr.15.0947, PubMed 26442727

Tjønnfjord GE, Ly BE, Johannesen TB, Tierens A, Beiske K, Heim S, Jønsson V (2015)
[Chronic lymphatic leukemia in Norway-incidence and prognosis at diagnosis time]
Tidsskr Nor Laegeforen, 135 (18), 1626
DOI 10.4045/tidsskr.15.0946, PubMed 26442726

Torkildsen S, Gorunova L, Beiske K, Tjønnfjord GE, Heim S, Panagopoulos I (2015)
Novel ZEB2-BCL11B Fusion Gene Identified by RNA-Sequencing in Acute Myeloid Leukemia with t(2;14)(q22;q32)
PLoS One, 10 (7), e0132736
DOI 10.1371/journal.pone.0132736, PubMed 26186352

Publications 2014

Bruserud Ø, Tvedt TH, Paulsen PQ, Ahmed AB, Gedde-Dahl T, Tjønnfjord GE, Slåstad H, Heldal D, Reikvam H (2014)
Extracorporeal photopheresis (photochemotherapy) in the treatment of acute and chronic graft versus host disease: immunological mechanisms and the results from clinical studies
Cancer Immunol Immunother, 63 (8), 757-77
DOI 10.1007/s00262-014-1578-z, PubMed 24997173

Bürgler S, Gimeno A, Parente-Ribes A, Wang D, Os A, Devereux S, Jebsen P, Bogen B, Tjønnfjord GE, Munthe LA (2014)
Chronic lymphocytic leukemia cells express CD38 in response to Th1 cell-derived IFN-γ by a T-bet-dependent mechanism
J Immunol, 194 (2), 827-35
DOI 10.4049/jimmunol.1401350, PubMed 25505279

Geisler CH, van T' Veer MB, Jurlander J, Walewski J, Tjønnfjord G, Itälä Remes M, Kimby E, Kozak T, Polliack A, Wu KL, Wittebol S, Abrahamse-Testroote MC, Doorduijn J, Ghidey Alemayehu W, van Oers MH (2014)
Frontline low-dose alemtuzumab with fludarabine and cyclophosphamide prolongs progression-free survival in high-risk CLL
Blood, 123 (21), 3255-62
DOI 10.1182/blood-2014-01-547737, PubMed 24735962

Husøy MA, Brinch L, Tjønnfjord GE, Gedde-Dahl T, Heldal D, Holme PA, Dybedal I, Kolstad A, Akkök ÇA, Rollag H, Gaustad P, Bergan S, Egeland T, Josefsen D, Kvalheim G, Fløisand Y (2014)
[Allogeneic stem-cell transplantation in adults 1985-2012: results and development]
Tidsskr Nor Laegeforen, 134 (16), 1569-75
DOI 10.4045/tidsskr.13.1415, PubMed 25178233

Misceo D, Holmgren A, Louch WE, Holme PA, Mizobuchi M, Morales RJ, De Paula AM, Stray-Pedersen A, Lyle R, Dalhus B, Christensen G, Stormorken H, Tjønnfjord GE, Frengen E (2014)
A dominant STIM1 mutation causes Stormorken syndrome
Hum Mutat, 35 (5), 556-64
DOI 10.1002/humu.22544, PubMed 24619930

Panagopoulos I, Torkildsen S, Gorunova L, Tierens A, Tjønnfjord GE, Heim S (2014)
Comparison between karyotyping-FISH-reverse transcription PCR and RNA-sequencing-fusion gene identification programs in the detection of KAT6A-CREBBP in acute myeloid leukemia
PLoS One, 9 (5), e96570
DOI 10.1371/journal.pone.0096570, PubMed 24798186

Ruffini PA, Os A, Dolcetti R, Tjønnfjord GE, Munthe LA, Bogen B (2014)
Targeted DNA vaccines eliciting crossreactive anti-idiotypic antibody responses against human B cell malignancies in mice
J Transl Med, 12, 207
DOI 10.1186/1479-5876-12-207, PubMed 25059102

Samarakoon PS, Sorte HS, Kristiansen BE, Skodje T, Sheng Y, Tjønnfjord GE, Stadheim B, Stray-Pedersen A, Rødningen OK, Lyle R (2014)
Identification of copy number variants from exome sequence data
BMC Genomics, 15, 661
DOI 10.1186/1471-2164-15-661, PubMed 25102989

Tran HT, Sørensen B, Bjørnsen S, Pripp AH, Tjønnfjord GE, Andre Holme P (2014)
Monitoring bypassing agent therapy - a prospective crossover study comparing thromboelastometry and thrombin generation assay
Haemophilia, 21 (2), 275-83
DOI 10.1111/hae.12570, PubMed 25521720

von Krogh AS, Kremer Hovinga JA, Tjønnfjord GE, Ringen IM, Lämmle B, Waage A, Quist-Paulsen P (2014)
The impact of congenital thrombotic thrombocytopenic purpura on pregnancy complications
Thromb Haemost, 111 (6), 1180-3
DOI 10.1160/TH13-08-0713, PubMed 24499950

Zeidler C, Grote UA, Nickel A, Brand B, Carlsson G, Cortesão E, Dufour C, Duhem C, Notheis G, Papadaki HA, Tamary H, Tjønnfjord GE, Tucci F, Van Droogenbroeck J, Vermylen C, Voglova J, Xicoy B, Welte K (2014)
Outcome and management of pregnancies in severe chronic neutropenia patients by the European Branch of the Severe Chronic Neutropenia International Registry
Haematologica, 99 (8), 1395-402
DOI 10.3324/haematol.2013.099101, PubMed 24997149

Publications 2013

Fløisand Y, Beiske K, Tjønnfjord GE, Heldal D, Bjerkehagen B, Revheim ME, Heim S, Bruland OS, Hall KS, Tierens A, Delabie J (2013)
Malignant phyllodes tumor and acute megakaryoblastic leukemia sharing a common clonal origin
Case Rep Hematol, 2013, 934781
DOI 10.1155/2013/934781, PubMed 24455338

Moore KL, Kildahl-Andersen O, Kildahl-Andersen R, Tjønnfjord GE (2013)
Uncommon adverse effect of a common medication
Tidsskr Nor Laegeforen, 133 (2), 165
DOI 10.4045/tidsskr.12.0494, PubMed 23344600

Os A, Bürgler S, Ribes AP, Funderud A, Wang D, Thompson KM, Tjønnfjord GE, Bogen B, Munthe LA (2013)
Chronic lymphocytic leukemia cells are activated and proliferate in response to specific T helper cells
Cell Rep, 4 (3), 566-77
DOI 10.1016/j.celrep.2013.07.011, PubMed 23933259

Randen U, Tierens AM, Tjønnfjord GE, Delabie J (2013)
Bone marrow histology in monoclonal B-cell lymphocytosis shows various B-cell infiltration patterns
Am J Clin Pathol, 139 (3), 390-5
DOI 10.1309/AJCPPHSUQM8XBJH7, PubMed 23429376

Randen U, Trøen G, Tierens A, Steen C, Warsame A, Beiske K, Tjønnfjord GE, Berentsen S, Delabie J (2013)
Primary cold agglutinin-associated lymphoproliferative disease: a B-cell lymphoma of the bone marrow distinct from lymphoplasmacytic lymphoma
Haematologica, 99 (3), 497-504
DOI 10.3324/haematol.2013.091702, PubMed 24143001

Schjesvold F, Wiencke K, Tjønnfjord GE (2013)
[Investigation of anemia]
Tidsskr Nor Laegeforen, 133 (6), 610
DOI 10.4045/tidsskr.13.0256, PubMed 23552139

Tran HT, Sørensen B, Rea CJ, Bjørnsen S, Ueland T, Pripp AH, Tjønnfjord GE, Holme PA (2013)
Tranexamic acid as adjunct therapy to bypassing agents in haemophilia A patients with inhibitors
Haemophilia, 20 (3), 369-75
DOI 10.1111/hae.12318, PubMed 24251535

Tran HT, Tjønnfjord GE, Holme PA (2013)
Use of thromboelastography and thrombin generation assay to predict clinical phenotype in patients with severe FVII deficiency
Haemophilia, 20 (1), 141-6
DOI 10.1111/hae.12256, PubMed 23992369

Vojdeman FJ, Jurlander J, van't Veer M, Itälä-Remes M, Kimby E, Tjønnfjord GE, Walewski J, Kozák T, Polliack A, Montagna M, Regazzi M, Kirkby N, van Oers M, Geisler CH (2013)
Plasma alemtuzumab levels in patients with chronic lymphocytic leukemia treated with alemtuzumab combined with chemotherapy reflect the efficacy of the treatment: a hypothesis
Leuk Lymphoma, 54 (4), 790-3
DOI 10.3109/10428194.2012.720373, PubMed 23025267

Westberg M, Paus AC, Holme PA, Tjønnfjord GE (2013)
Haemophilic arthropathy: long-term outcomes in 107 primary total knee arthroplasties
Knee, 21 (1), 147-50
DOI 10.1016/j.knee.2013.09.010, PubMed 24156923

Publications 2012

Berentsen S, Tjønnfjord GE (2012)
Diagnosis and treatment of cold agglutinin mediated autoimmune hemolytic anemia
Blood Rev, 26 (3), 107-15
DOI 10.1016/j.blre.2012.01.002, PubMed 22330255

Fløisand Y, Brinch L, Gedde-Dahl T, Tjønnfjord GE, Dybedal I, Holte H, Heldal D, Torfoss D, Aurlien E, Lauritzsen GF, Fosså A, Lehne G, Baggerød E, Kvalheim G, Egeland T, Bishop MR, Fowler DH, Kolstad A (2012)
Ultra-short course sirolimus contributes to effective GVHD prophylaxis after reduced-intensity allogeneic hematopoietic cell transplantation
Bone Marrow Transplant, 47 (12), 1552-7
DOI 10.1038/bmt.2012.63, PubMed 22522568

Fløisand Y, Tjønnfjord G, Beiske K (2012)
[Invasive fungal infection]
Tidsskr Nor Laegeforen, 132 (23-24), 2618
DOI 10.4045/tidsskr.12.0603, PubMed 23338093

Ruud E, Kanellopoulos A, Zeller B, Widing E, Tjønnfjord GE, Fosså SD (2012)
Patient knowledge of late effects of acute lymphoblastic leukaemia
Tidsskr Nor Laegeforen, 132 (18), 2052-5
DOI 10.4045/tidsskr.12.0153, PubMed 23038194

Thorsen J, Aamot HV, Roberto R, Tjønnfjord GE, Micci F, Heim S (2012)
Myelodysplastic syndrome with a t(2;11)(p21;q23-24) and translocation breakpoint close to miR-125b-1
Cancer Genet, 205 (10), 528-32
DOI 10.1016/j.cancergen.2012.06.003, PubMed 22944560

Tjønnfjord GE, Jønsson V, Ly BE, Johannesen TB (2012)
Familial occurrence of chronic lymphocytic leukaemia in Norway
Tidsskr Nor Laegeforen, 132 (18), 2060-3
DOI 10.4045/tidsskr.11.1350, PubMed 23038196

Tjønnfjord GE, Ly BE, Johannesen TB, Tierens A, Beiske K, Heim S, Jønsson V (2012)
Chronic lymphocytic leukaemia in Norway--incidence and prognostic markers at diagnosis
Tidsskr Nor Laegeforen, 132 (18), 2056-9
DOI 10.4045/tidsskr.11.1349, PubMed 23038195

Publications 2011

Fløisand Y, Delabie J, Fosså A, Helseth E, Jacobsen EA, Rolke J, Tjønnfjord GE (2011)
Richter syndrome presenting as a solitary cerebellar tumor during first-line treatment for chronic lymphocytic leukemia
Leuk Lymphoma, 52 (10), 2007-9
DOI 10.3109/10428194.2011.580480, PubMed 21663503

Jønsson V, Awan H, Nyquist E, Maisenhølder M, Johannesen TB, Ly B, Tjønnfjord GE (2011)
Familial Hodgkin's lymphoma in Scandinavia
In Vivo, 25 (3), 431-7
PubMed 21576419

Slaastad H, Wu W, Goullart L, Kanderova V, Tjønnfjord G, Stuchly J, Kalina T, Holm A, Lund-Johansen F (2011)
Multiplexed immuno-precipitation with 1725 commercially available antibodies to cellular proteins
Proteomics, 11 (23), 4578-82
DOI 10.1002/pmic.201000744, PubMed 21956872

Tran HT, Tjønnfjord GE, Paus A, Holme PA (2011)
rFVIIa administered by continuous infusion during surgery in patients with severe congenital FVII deficiency
Haemophilia, 17 (5), 764-70
DOI 10.1111/j.1365-2516.2011.02596.x, PubMed 21707871

Publications 2010

Abrahamsen IW, Stronen E, Wälchli S, Johansen JN, Kjellevoll S, Kumari S, Komada M, Gaudernack G, Tjonnfjord G, Toebes M, Schumacher TN, Lund-Johansen F, Olweus J (2010)
Targeting B cell leukemia with highly specific allogeneic T cells with a public recognition motif
Leukemia, 24 (11), 1901-9
DOI 10.1038/leu.2010.186, PubMed 20844564

Awan H, Jønsson V, Johannesen TB, Ly B, Tjønnfjord GE (2010)
Anticipation in families with chronic lymphocytic leukemia and other lymphoproliferative disorders
Transl Oncogenomics, 4, 1-9
DOI 10.4137/tog.s4529, PubMed 21566766

Berentsen S, Randen U, Vågan AM, Hjorth-Hansen H, Vik A, Dalgaard J, Jacobsen EM, Thoresen AS, Beiske K, Tjønnfjord GE (2010)
High response rate and durable remissions following fludarabine and rituximab combination therapy for chronic cold agglutinin disease
Blood, 116 (17), 3180-4
DOI 10.1182/blood-2010-06-288647, PubMed 20634373

Ghanima W, Holme PA, Tjønnfjord GE (2010)
[Immune thrombocytopenia--pathophysiology and treatment]
Tidsskr Nor Laegeforen, 130 (21), 2120-3
DOI 10.4045/tidsskr.09.1119, PubMed 21052113

Jensen K, Schaffer L, Olstad OK, Bechensteen AG, Hellebostad M, Tjønnfjord GE, Kierulf P, Gautvik KM, Osnes LT (2010)
Striking decrease in the total precursor B-cell compartment during early childhood as evidenced by flow cytometry and gene expression changes
Pediatr Hematol Oncol, 27 (1), 31-45
DOI 10.3109/08880010903420687, PubMed 20121553

Jønsson V, Tjønnfjord GE, Johannesen TB, Ly B, Olsen JH, Yuille M (2010)
Familial chronic lymphocytic leukemia in Norway and Denmark. Comments on pleiotropy and birth order
In Vivo, 24 (1), 85-95
PubMed 20133982

Krishnan B, Else M, Tjonnfjord GE, Cazin B, Carney D, Carter J, Ketterer N, Catovsky D, Ethell M, Matutes E, Dearden CE (2010)
Stem cell transplantation after alemtuzumab in T-cell prolymphocytic leukaemia results in longer survival than after alemtuzumab alone: a multicentre retrospective study
Br J Haematol, 149 (6), 907-10
DOI 10.1111/j.1365-2141.2010.08134.x, PubMed 20201944

Tangen JM, Fløisand Y, Haukås E, Naess IA, Skjelbakken T, Stapnes C, Tjønnfjord GE (2010)
[Survival in adults with acute lymphoblastic leukaemia]
Tidsskr Nor Laegeforen, 130 (17), 1710-3
DOI 10.4045/tidsskr.09.1293, PubMed 20835280

Publications 2009

Berentsen S, Sundic T, Hervig T, Tjønnfjord GE (2009)
[Autoimmune hemolytic anemia]
Tidsskr Nor Laegeforen, 129 (21), 2226-31
DOI 10.4045/tidsskr.09.0161, PubMed 19898570

Damås JK, Landrø L, Fevang B, Heggelund L, Tjønnfjord GE, Fløisand Y, Halvorsen B, Frøland SS, Aukrust P (2009)
Homeostatic chemokines CCL19 and CCL21 promote inflammation in human immunodeficiency virus-infected patients with ongoing viral replication
Clin Exp Immunol, 157 (3), 400-7
DOI 10.1111/j.1365-2249.2009.03976.x, PubMed 19664149

Holme PA, Glomstein A, Grønhaug S, Tjønnfjord GE (2009)
Home treatment with bypassing products in inhibitor patients: a 7.5-year experience
Haemophilia, 15 (3), 727-32
DOI 10.1111/j.1365-2516.2009.02017.x, PubMed 19320748

Micci F, Panagopoulos I, Haugom L, Andersen HK, Tjønnfjord GE, Beiske K, Heim S (2009)
t(3;21)(q22;q22) leading to truncation of the RYK gene in atypical chronic myeloid leukemia
Cancer Lett, 277 (2), 205-11
DOI 10.1016/j.canlet.2008.12.016, PubMed 19168282

Michalsen S, Schrumpf E, Beiske K, Tierens A, Stenberg V, Tjønnfjord GE (2009)
[Large granular lymphocytic leukaemia]
Tidsskr Nor Laegeforen, 129 (11), 1098-102
DOI 10.4045/tidsskr.09.0152, PubMed 19488091

Publications 2008

Brinch L, Tjønnfjord G, Gedde-Dahl T, Heldal D, Holme PA, Dybedal I (2008)
[Allogeneic stem cell transplantation in acute myelogenous leukemia]
Tidsskr Nor Laegeforen, 128 (15), 1681-2; author reply 1682
PubMed 18704137

Fløisand Y, Brinch L, Dybedal I, Gedde-Dahl T, Heldal D, Holme PA, Egeland T, Tjønnfjord GE (2008)
[Allogeneic stem cell transplantation in adults with acute lymphoblastic leukaemia]
Tidsskr Nor Laegeforen, 128 (22), 2563-6
PubMed 19023351

Johannesen TB, Ly B, Samuelsen SO, Tjønnfjord GE, Jønsson V (2008)
[A new study of chronic lymphatic leukemia in Norway]
Tidsskr Nor Laegeforen, 128 (6), 713
PubMed 18337855

Jønsson V, Samuelsen SO, Tjønnfjord G, Johannesen T (2008)
Looking for CLL genes
Leuk Lymphoma, 49 (1), 10-1
DOI 10.1080/10428190701713705, PubMed 18203003

Jønsson V, Tjønnfjord GE, Johannesen TB, Samuelsen SO, Ly B (2008)
Possible imprinting and microchimerism in chronic lymphocytic leukemia and related lymphoproliferative disorders
Transl Oncogenomics, 3, 15-20
PubMed 21566740

Kolstad A, Tjønnfjord G, Jønsson V (2008)
High frequency of unrecognized indolent hematological disorders among HLA-matched siblings of patients with lymphoproliferative malignancies eligible for allo-SCT
Bone Marrow Transplant, 42 (6), 427-8
DOI 10.1038/bmt.2008.183, PubMed 18587433

Landrø L, Damås JK, Flo TH, Heggelund L, Ueland T, Tjønnfjord GE, Espevik T, Aukrust P, Frøland SS (2008)
Decreased serum lipocalin-2 levels in human immunodeficiency virus-infected patients: increase during highly active anti-retroviral therapy
Clin Exp Immunol, 152 (1), 57-63
DOI 10.1111/j.1365-2249.2008.03592.x, PubMed 18241231

Olsen AL, Johannesen TB, Ly B, Samuelsen SO, Tjonnfjord G, Jonsson V (2008)
Pleiotropy in families with chronic lymphocytic leukemia
Salud Cienc., 15 (8), 1236-+

Wester T, Jørgensen JJ, Stranden E, Sandbaek G, Tjønnfjord G, Bay D, Kollerøs D, Kroese AJ, Brinchmann JE (2008)
Treatment with autologous bone marrow mononuclear cells in patients with critical lower limb ischaemia. A pilot study
Scand J Surg, 97 (1), 56-62
DOI 10.1177/145749690809700108, PubMed 18450207

Wu W, Slåstad H, de la Rosa Carrillo D, Frey T, Tjønnfjord G, Boretti E, Aasheim HC, Horejsi V, Lund-Johansen F (2008)
Antibody array analysis with label-based detection and resolution of protein size
Mol Cell Proteomics, 8 (2), 245-57
DOI 10.1074/mcp.M800171-MCP200, PubMed 18796702

Publications 2007

Berentsen S, Beiske K, Tjønnfjord GE (2007)
Primary chronic cold agglutinin disease: an update on pathogenesis, clinical features and therapy
Hematology, 12 (5), 361-70
DOI 10.1080/10245330701445392, PubMed 17891600

Berentsen S, Ulvestad E, Tjønnfjord GE (2007)
B-lymphocytes as targets for therapy in chronic cold agglutinin disease
Cardiovasc Hematol Disord Drug Targets, 7 (3), 219-27
DOI 10.2174/187152907781745279, PubMed 17896962

Fløisand Y, Normann AP, Heim S, Lund-Johansen F, Tjønnfjord GE (2007)
High expression of CD7 on CD34+ cells is not linked to deletion of derivative chromosome 9 or lack of dendritic cells in chronic myeloid leukaemia
Scand J Clin Lab Invest, 68 (2), 93-8
DOI 10.1080/00365510701558477, PubMed 17852828

Jønsson V, Tjønnfjord G, Samuelsen SO, Johannesen T, Olsen J, Sellick G, Houlston R, Yuille M, Catovsky D (2007)
Birth order pattern in the inheritance of chronic lymphocytic leukaemia and related lymphoproliferative disease
Leuk Lymphoma, 48 (12), 2387-96
DOI 10.1080/10428190701686273, PubMed 18067015

Micci F, Panagopoulos I, Tjønnfjord GE, Kolstad A, Delabie J, Beiske K, Heim S (2007)
Molecular cytogenetic characterization of t(14;19)(q32;p13), a new recurrent translocation in B cell malignancies
Virchows Arch, 450 (5), 559-65
DOI 10.1007/s00428-007-0407-6, PubMed 17406891

Osuji N, Beiske K, Randen U, Matutes E, Tjonnfjord G, Catovsky D, Wotherspoon A (2007)
Characteristic appearances of the bone marrow in T-cell large granular lymphocyte leukaemia
Histopathology, 50 (5), 547-54
DOI 10.1111/j.1365-2559.2007.02656.x, PubMed 17394489

Tjønnfjord GE, Gedde-Dahl T, Heldal D, Brinch L (2007)
Treatment outcome in adults with acute lymphoblastic leukemia: 50% long-term disease-free survival
Leukemia, 21 (10), 2203-4
DOI 10.1038/sj.leu.2404751, PubMed 17525727

Tjønnfjord GE, Holme PA (2007)
Factor eight inhibitor bypass activity (FEIBA) in the management of bleeds in hemophilia patients with high-titer inhibitors
Vasc Health Risk Manag, 3 (4), 527-31
PubMed 17969383

Publications 2006

Aamot HV, Tjønnfjord GE, Delabie J, Heim S (2006)
Molecular cytogenetic analysis of leukemic mantle cell lymphoma with a cryptic t(11;14)
Cancer Genet Cytogenet, 165 (2), 172-5
DOI 10.1016/j.cancergencyto.2005.08.012, PubMed 16527613

Berentsen S, Ulvestad E, Langholm R, Beiske K, Hjorth-Hansen H, Ghanima W, Sørbø JH, Tjønnfjord GE (2006)
Primary chronic cold agglutinin disease: a population based clinical study of 86 patients
Haematologica, 91 (4), 460-6
PubMed 16585012

Holm AM, Tjønnfjord G, Yndestad A, Beiske K, Müller F, Aukrust P, Frøland SS (2006)
Polyclonal expansion of large granular lymphocytes in common variable immunodeficiency - association with neutropenia
Clin Exp Immunol, 144 (3), 418-24
DOI 10.1111/j.1365-2249.2006.03086.x, PubMed 16734610

Kildahl-Andersen O, Thorstensen K, Sagen E, Dahl IM, Tjønnfjord G (2006)
[A 40-year-old woman with anemia]
Tidsskr Nor Laegeforen, 126 (22), 2958-9
PubMed 17144048

Osuji N, Matutes E, Tjonnfjord G, Grech H, Del Giudice I, Wotherspoon A, Swansbury JG, Catovsky D (2006)
T-cell large granular lymphocyte leukemia: A report on the treatment of 29 patients and a review of the literature
Cancer, 107 (3), 570-8
DOI 10.1002/cncr.22032, PubMed 16795070

Schneppenheim R, Kremer Hovinga JA, Becker T, Budde U, Karpman D, Brockhaus W, Hrachovinová I, Korczowski B, Oyen F, Rittich S, von Rosen J, Tjønnfjord GE, Pimanda JE, Wienker TF, Lämmle B (2006)
A common origin of the 4143insA ADAMTS13 mutation
Thromb Haemost, 96 (1), 3-6
DOI 10.1160/TH05-12-0817, PubMed 16807643

Tjønnfjord GE (2006)
Surgery in patients with hemophilia and inhibitors: a review of the Norwegian experience with FEIBA
Semin Hematol, 43 (2 Suppl 4), S18-21
DOI 10.1053/j.seminhematol.2006.03.003, PubMed 16690372

Publications 2005

Abrahamsen IW, Sømme S, Heldal D, Egeland T, Kvale D, Tjønnfjord GE (2005)
Immune reconstitution after allogeneic stem cell transplantation: the impact of stem cell source and graft-versus-host disease
Haematologica, 90 (1), 86-93
PubMed 15642674

Holme PA, Brosstad F, Tjønnfjord GE (2005)
Acquired haemophilia: management of bleeds and immune therapy to eradicate autoantibodies
Haemophilia, 11 (5), 510-5
DOI 10.1111/j.1365-2516.2005.01136.x, PubMed 16128896

Mishra V, Paus AC, Tjønnfjord GE (2005)
[Surgery in patients with bleeding disorders--expensive treatment for a small group of patients]
Tidsskr Nor Laegeforen, 125 (7), 883-5
PubMed 15815735

Schulman S, Tjønnfjord GE, Wallensten R, Martinowitz U, Kenet G (2005)
Continuous infusion of recombinant factor VIIa for surgery in patients with deficiency of factor VII
Thromb Haemost, 94 (6), 1177-80
DOI 10.1160/TH05-05-0342, PubMed 16411390

Tjønnfjord GE (2005)
[Polycythemia vera]
Tidsskr Nor Laegeforen, 125 (19), 2649
PubMed 16273739

Tjønnfjord GE (2005)
[Anticoagulation therapy and oral surgery]
Tidsskr Nor Laegeforen, 125 (21), 2999; author reply 2999
PubMed 16276400

Publications 2004

Fløisand Y, Brinch L, Gedde-Dahl T, Tjønnfjord GE (2004)
[Treatment of T-cell prolymphocytic leukemia with monoclonal anti- CD52 antibody (alemtuzumab]
Tidsskr Nor Laegeforen, 124 (6), 768-70
PubMed 15039804

Ghanima W, Kahrs J, Dahl TG, Tjonnfjord GE (2004)
Sustained cytogenetic response after discontinuation of imatinib mesylate in a patient with chronic myeloid leukaemia
Eur J Haematol, 72 (6), 441-3
DOI 10.1111/j.1600-0609.2004.00257.x, PubMed 15128424

Heldal D, Brinch L, Evensen SA, Tjønnfjord GE, Aamodt G, Elgjo K, Sviland L (2004)
Skin biopsies for early diagnosis and prognosis of graft-versus-host disease in recipients of allogeneic stem cells from blood or bone marrow
Bone Marrow Transplant, 34 (4), 345-50
DOI 10.1038/sj.bmt.1704568, PubMed 15170163

Rodriguez-Merchan EC, Rocino A, Ewenstein B, Bartha L, Batorova A, Goudemand J, Gringeri A, Joao-Diniz M, Lopaciuk S, Negrier C, Quintana M, Tagariello G, Tjonnfjord GE, Villar VA, Vorlova Z (2004)
Consensus perspectives on surgery in haemophilia patients with inhibitors: summary statement
Haemophilia, 10 Suppl 2, 50-2
DOI 10.1111/j.1365-2516.2004.00941.x, PubMed 15385047

Tjønnfjord GE (2004)
Activated prothrombin complex concentrate (FEIBA) treatment during surgery in patients with inhibitors to FVIII/IX: the updated Norwegian experience
Haemophilia, 10 Suppl 2, 41-5
DOI 10.1111/j.1365-2516.2004.00939.x, PubMed 15385045

Tjønnfjord GE, Brinch L, Gedde-Dahl T, Brosstad FR (2004)
Activated prothrombin complex concentrate (FEIBA) treatment during surgery in patients with inhibitors to FVIII/IX
Haemophilia, 10 (2), 174-8
DOI 10.1046/j.1365-2516.2003.00857.x, PubMed 14962207

Publications 2003

Amundsen HF, Stray-Pedersen A, Tjønnfjord GE, Abrahamsen TG (2003)
[Chronic neutropenia--subtypes and treatment]
Tidsskr Nor Laegeforen, 123 (5), 624-6
PubMed 12683188

Amundsen HF, Stray-Pedersen A, Tjønnfjord GE, Abrahamsen TG (2003)
[Patients with severe chronic neutropenia]
Tidsskr Nor Laegeforen, 123 (5), 621-3
PubMed 12683187

Astermark J, Voorberg J, Lenk H, DiMichele D, Shapiro A, Tjönnfjord G, Berntorp E (2003)
Impact of inhibitor epitope profile on the neutralizing effect against plasma-derived and recombinant factor VIII concentrates in vitro
Haemophilia, 9 (5), 567-72
DOI 10.1046/j.1365-2516.2003.00802.x, PubMed 14511295

Berentsen S, Ulvestad E, Gjertsen BT, Hjorth-Hansen H, Langholm R, Knutsen H, Ghanima W, Shammas FV, Tjønnfjord GE (2003)
Rituximab for primary chronic cold agglutinin disease: a prospective study of 37 courses of therapy in 27 patients
Blood, 103 (8), 2925-8
DOI 10.1182/blood-2003-10-3597, PubMed 15070665

Heldal D, Brinch L, Tjønnfjord G, Solheim BG, Egeland T, Albrechtsen D, Aamodt G, Evensen SA (2003)
Fewer relapses and increased chronic GVHD in patients transplanted with blood stem cells: a 5-year follow-up in a single centre study
Bone Marrow Transplant, 32 (3), 257-64
DOI 10.1038/sj.bmt.1704127, PubMed 12858196

Lundin J, Hagberg H, Repp R, Cavallin-Ståhl E, Fredén S, Juliusson G, Rosenblad E, Tjønnfjord G, Wiklund T, Osterborg A (2003)
Phase 2 study of alemtuzumab (anti-CD52 monoclonal antibody) in patients with advanced mycosis fungoides/Sezary syndrome
Blood, 101 (11), 4267-72
DOI 10.1182/blood-2002-09-2802, PubMed 12543862

Normann AP, Egeland T, Madshus IH, Heim S, Tjønnfjord GE (2003)
CD7 expression by CD34+ cells in CML patients, of prognostic significance?
Eur J Haematol, 71 (4), 266-75
DOI 10.1034/j.1600-0609.2003.00133.x, PubMed 12950236

Wester TS, Jørgensen JJ, Stranden E, Bay D, Sandbæk G, Kollerøs D, Tjønnfjord GE, Brinchmann JE, Kroese A (2003)
Behandling av pasienter med kritisk iskemi (KI) i underekstremitene med transplantasjon av autologe stamceller: en pilotstudie
In Vitenskapelige forhandlinger, Norsk kirurgisk forening., [Oslo], 2003, Abstrakt 283
BIBSYS 041735749

Publications 2002

Dalgaard J, Brinch L, Tjønnfjord GE (2002)
[Paroxysmal nocturnal hemoglobinuria--a rare disease with many faces]
Tidsskr Nor Laegeforen, 122 (4), 374-8
PubMed 11915665

Ghanima W, Heldal D, Tjønnfjord GE (2002)
[Hairy cell leukemia treated with cladribine]
Tidsskr Nor Laegeforen, 122 (11), 1094-7
PubMed 12043051

Heldal D, Brinch L, Tjønnfjord G, Solheim BG, Egeland T, Gadeholt G, Albrechtsen D, Aamodt G, Evensen SA (2002)
Donation of stem cells from blood or bone marrow: results of a randomised study of safety and complaints
Bone Marrow Transplant, 29 (6), 479-86
DOI 10.1038/sj.bmt.1703418, PubMed 11960266

Holte H, Smeland S, Blystad AK, Kvaløy S, Hammerstrøm J, Tjønnfjord GE (2002)
[Intensive chemotherapy in Burkitt's lymphoma and aggressive non-Hodgkin's lymphoma]
Tidsskr Nor Laegeforen, 122 (4), 364-9
PubMed 11915663

Itälä M, Geisler CH, Kimby E, Juvonen E, Tjonnfjord G, Karlsson K, Remes K (2002)
Standard-dose anti-CD20 antibody rituximab has efficacy in chronic lymphocytic leukaemia: results from a Nordic multicentre study
Eur J Haematol, 69 (3), 129-34
DOI 10.1034/j.1600-0609.2002.02786.x, PubMed 12406005

Keating MJ, Cazin B, Coutré S, Birhiray R, Kovacsovics T, Langer W, Leber B, Maughan T, Rai K, Tjønnfjord G, Bekradda M, Itzhaki M, Hérait P (2002)
Campath-1H treatment of T-cell prolymphocytic leukemia in patients for whom at least one prior chemotherapy regimen has failed
J Clin Oncol, 20 (1), 205-13
DOI 10.1200/JCO.2002.20.1.205, PubMed 11773171

Lehne G, Sørensen DR, Tjønnfjord GE, Beiske C, Hagve TA, Rugstad HE, Clausen OP (2002)
The cyclosporin PSC 833 increases survival and delays engraftment of human multidrug-resistant leukemia cells in xenotransplanted NOD-SCID mice
Leukemia, 16 (12), 2388-94
DOI 10.1038/sj.leu.2402663, PubMed 12454743

Lind B, Gedde-Dahl T, Tjønnfjord G, Villoutreix BO, Brosstad F (2002)
Protein C deficiency caused by homozygosity for a novel PROC D180G mutation--in vitro expression and structural analysis of the mutation
Thromb Haemost, 88 (4), 632-8
PubMed 12362235

Mishra V, Tjønnfjord GE, Paus AC, Vaaler S (2002)
Orthopaedic surgery in severe bleeding disorders: a low-volume, high-cost procedure
Haemophilia, 8 (6), 809-14
DOI 10.1046/j.1365-2516.2002.00691.x, PubMed 12410652

Müller F, Tjønnfjord GE, Nordøy I, Kvale D, Mellbye OJ, Aukrust P, Frøland SS (2002)
Immunophenotypic analyses of CD34(+) cell subsets in bone marrow from HIV-infected patients during highly- active antiretroviral therapy
Eur J Clin Invest, 32 (7), 535-40
DOI 10.1046/j.1365-2362.2002.00995.x, PubMed 12153555

Publications 2001

Berentsen S, Tjønnfjord GE, Brudevold R, Gjertsen BT, Langholm R, Løkkevik E, Sørbø JH, Ulvestad E (2001)
Favourable response to therapy with the anti-CD20 monoclonal antibody rituximab in primary chronic cold agglutinin disease
Br J Haematol, 115 (1), 79-83
DOI 10.1046/j.1365-2141.2001.03078.x, PubMed 11722415

Dearden CE, Matutes E, Cazin B, Tjønnfjord GE, Parreira A, Nomdedeu B, Leoni P, Clark FJ, Radia D, Rassam SM, Roques T, Ketterer N, Brito-Babapulle V, Dyer MJ, Catovsky D (2001)
High remission rate in T-cell prolymphocytic leukemia with CAMPATH-1H
Blood, 98 (6), 1721-6
DOI 10.1182/blood.v98.6.1721, PubMed 11535503

Publications 2000

Berentsen S, Tjønnfjord GE, Shammas FV, Bergheim J, Hammerstrøm J, Langholm R, Ulvestad E (2000)
No response to cladribine in five patients with chronic cold agglutinin disease
Eur J Haematol, 65 (1), 88-90
DOI 10.1034/j.1600-0609.2000.9l201.x, PubMed 10914950

Bruserud O, Tjønnfjord G, Gjertsen BT, Foss B, Ernst P (2000)
New strategies in the treatment of acute myelogenous leukemia: mobilization and transplantation of autologous peripheral blood stem cells in adult patients
Stem Cells, 18 (5), 343-51
DOI 10.1634/stemcells.19-1-1, PubMed 11007918

Clausen OP, Olsen G, Tjønnfjord GE (2000)
[Flow cytometry--use in cell biology and benefits in clinical medicine]
Tidsskr Nor Laegeforen, 120 (4), 489-95
PubMed 10833942

Heldal D, Tjønnfjord G, Brinch L, Albrechtsen D, Egeland T, Steen R, Solheim BG, Evensen SA (2000)
A randomised study of allogeneic transplantation with stem cells from blood or bone marrow
Bone Marrow Transplant, 25 (11), 1129-36
DOI 10.1038/sj.bmt.1702422, PubMed 10849524

Steen R, Tjønnfjord GE, Grøseth LA, Egeland T (2000)
Characteristics of haemopoietic progenitor cells related to CD34 epitope class expression
Eur J Haematol, 64 (4), 245-51
DOI 10.1034/j.1600-0609.2000.90050.x, PubMed 10776696

Publications 1999

Hunnestad JA, Steen R, Tjønnfjord GE, Egeland T (1999)
Thrombopoietin combined with early-acting growth factors effectively expands human hematopoietic progenitor cells in vitro
Stem Cells, 17 (1), 31-8
DOI 10.1002/stem.170031, PubMed 10215399

Vetlesen A, Kjeldsen-Kragh J, Tjonnfjord GE (1999)
[Paroxysmal nocturnal hemoglobinuria--diagnosis with the help of flow cytometry]
Tidsskr Nor Laegeforen, 119 (26), 3909-13
PubMed 10592751

Publications 1997

Steen R, Tjønnfjord GE, Gunnes Grøseth LA, Heldal D, Egeland T (1997)
Efflux of CD34+ cells from bone marrow to peripheral blood is selective in steady-state hematopoiesis and during G-CSF administration
J Hematother, 6 (6), 563-73
DOI 10.1089/scd.1.1997.6.563, PubMed 9483191

Publications 1996

Barstad RM, Orvim U, Hamers MJ, Tjønnfjord GE, Brosstad FR, Sakariassen KS (1996)
Reduced effect of aspirin on thrombus formation at high shear and disturbed laminar blood flow
Thromb Haemost, 75 (5), 827-32
PubMed 8725731

Holberg-Petersen M, Rollag H, Beck S, Overli I, Tjønnfjord G, Abrahamsen TG, Degré M, Hestdal K (1996)
Direct growth suppression of myeloid bone marrow progenitor cells but not cord blood progenitors by human cytomegalovirus in vitro
Blood, 88 (7), 2510-6
DOI 10.1182/blood.V88.7.2510.bloodjournal8872510, PubMed 8839843

Steen R, Tjønnfjord GE, Gaudernack G, Brinch L, Egeland T (1996)
Differences in the distribution of CD34 epitopes on normal haemopoietic progenitor cells and leukaemic blast cells
Br J Haematol, 94 (4), 597-605
DOI 10.1046/j.1365-2141.1996.7052322.x, PubMed 8826880

Tjønnfjord GE (1996)
Hematopoietic progenitor cell differentiation
Institute of Transplantation Immunology and Medical Department A, Section of Hematology, The National Hospital, University of Oslo, [Oslo], 1 b. (flere pag.)
BIBSYS 960263195, ISBN 82-7633-070-3

Tjønnfjord GE, Steen R, Veiby OP, Egeland T (1996)
Lineage commitment of CD34+ human hematopoietic progenitor cells
Exp Hematol, 24 (8), 875-82
PubMed 8690045

Publications 1995

Juliusson G, Heldal D, Hippe E, Hedenus M, Malm C, Wallman K, Stolt CM, Evensen SA, Albertioni F, Tjønnfjord G (1995)
Subcutaneous injections of 2-chlorodeoxyadenosine for symptomatic hairy cell leukemia
J Clin Oncol, 13 (4), 989-95
DOI 10.1200/JCO.1995.13.4.989, PubMed 7707128

Juliusson G, Lenkei R, Tjønnfjord G, Heldal D, Liliemark J (1995)
Neutropenic fever following cladribine therapy for symptomatic hairy-cell leukemia: predictive factors and effects of granulocyte-macrophage colony-stimulating factor
Ann Oncol, 6 (4), 371-5
DOI 10.1093/oxfordjournals.annonc.a059186, PubMed 7619752

Juliusson G, Lenkei R, Tjønnfjord G, Heldal D, Liliemark J (1995)
Low-dose cladribine for symptomatic hairy cell leukaemia
Br J Haematol, 89 (3), 637-9
DOI 10.1111/j.1365-2141.1995.tb08377.x, PubMed 7734367

Tjønnfjord GE, Steen R, Veiby OP, Egeland T (1995)
Thymic stromal cells support differentiation of natural killer cells from CD34+ bone marrow cells in vitro
Eur J Haematol, 54 (1), 46-50
DOI 10.1111/j.1600-0609.1995.tb01625.x, PubMed 7532139

Tjønnfjord GE, Steen R, Veiby OP, Mørkrid L, Egeland T (1995)
Haemopoietic progenitor cell differentiation: flow cytometric assessment in bone marrow and thymus
Br J Haematol, 91 (4), 1006-16
DOI 10.1111/j.1365-2141.1995.tb05426.x, PubMed 8547112

Viken HD, Paulsen G, Sollid LM, Lundin KE, Tjønnfjord GE, Thorsby E, Gaudernack G (1995)
Characterization of an HLA-DQ2-specific monoclonal antibody. Influence of amino acid substitutions in DQ beta 1*0202
Hum Immunol, 42 (4), 319-27
DOI 10.1016/0198-8859(94)00110-c, PubMed 7558917

Publications 1994

Evensen SA, Brinch L, Tjønnfjord G, Stavem P, Wisløff F (1994)
Estimated 8-year survival of more than 40% in a population-based study of 79 adult patients with acute lymphoblastic leukaemia
Br J Haematol, 88 (1), 88-93
DOI 10.1111/j.1365-2141.1994.tb04981.x, PubMed 7803261

Heldal D, Tjønnfjord GE, Evensen SA, Juliusson G (1994)
[Progress in the treatment of hairy cell leukemia. Subcutaneous administration of 2-chloro-deoxy-adenosine for 7 days]
Tidsskr Nor Laegeforen, 114 (7), 800-3
PubMed 7912011

Steen R, Mørkrid L, Tjønnfjord GE, Egeland T (1994)
c-kit ligand combined with GM-CSF and/or IL-3 can expand CD34+ hematopoietic progenitor subsets for several weeks in vitro
Stem Cells, 12 (2), 214-24
DOI 10.1002/stem.5530120210, PubMed 7515297

Steen R, Tjønnfjord GE, Egeland T (1994)
Comparison of the phenotype and clonogenicity of normal CD34+ cells from umbilical cord blood, granulocyte colony-stimulating factor-mobilized peripheral blood, and adult human bone marrow
J Hematother, 3 (4), 253-62
DOI 10.1089/scd.1.1994.3.253, PubMed 7537606

Teigland JC, Tjønnfjord GE, Evensen SA, Charania B (1994)
Synovectomy for haemophilic arthropathy: 6-21 years of follow-up in 16 patients
J Intern Med, 235 (3), 239-43
DOI 10.1111/j.1365-2796.1994.tb01066.x, PubMed 8120519

Tjønnfjord GE, Steen R, Evensen SA, Thorsby E, Egeland T (1994)
Characterization of CD34+ peripheral blood cells from healthy adults mobilized by recombinant human granulocyte colony-stimulating factor
Blood, 84 (8), 2795-801
PubMed 7522643

Tjønnfjord GE, Steen R, Veiby OP, Friedrich W, Egeland T (1994)
Evidence for engraftment of donor-type multipotent CD34+ cells in a patient with selective T-lymphocyte reconstitution after bone marrow transplantation for B-SCID
Blood, 84 (10), 3584-9
PubMed 7524743

Publications 1993

Egeland T, Tjønnfjord G, Steen R, Gaudernack G, Thorsby E (1993)
Positive selection of bone marrow-derived CD34 positive cells for possible stem cell transplantation
Transplant Proc, 25 (1 Pt 2), 1261-3
PubMed 7680152

Teigland JC, Tjønnfjord GE, Evensen SA, Charania B (1993)
Knee arthroplasty in hemophilia. 5-12 year follow-up of 15 patients
Acta Orthop Scand, 64 (2), 153-6
DOI 10.3109/17453679308994558, PubMed 8498174

Tjønnfjord GE, Brosstad F (1993)
[Treatment (and diagnosis) of menorrhagia]
Tidsskr Nor Laegeforen, 113 (27), 3383-4
PubMed 8273068

Tjønnfjord GE, Veiby OP, Steen R, Egeland T (1993)
T lymphocyte differentiation in vitro from adult human prethymic CD34+ bone marrow cells
J Exp Med, 177 (6), 1531-9
DOI 10.1084/jem.177.6.1531, PubMed 7684429

Publications 1992

Evensen SA, Brinch L, Stavem P, Tjønnfjord G (1992)
Survival in 91 adults with acute myelogenous leukaemia treated with 1-6 intensive courses of chemotherapy
J Intern Med, 232 (5), 433-7
DOI 10.1111/j.1365-2796.1992.tb00610.x, PubMed 1453128

Tjønnfjord GE, Evensen SA, Slettebø H, Sund S (1992)
[Kasabach-Merritt syndrome. A differential diagnosis in thrombocytopenia]
Tidsskr Nor Laegeforen, 112 (19), 2527-8
PubMed 1412262

Publications 1991

Tjønnfjord GE, Evensen SA, Brosstad F, Glomstein A, Solheim B (1991)
[Treatment of von Willebrand's disease with coagulation factor concentrates]
Tidsskr Nor Laegeforen, 111 (15), 1886
PubMed 1853330

Wisløff F, Andersen P, Andersson TR, Brandt E, Eika C, Fjaestad K, Grønvold T, Holm B, Løvåsen K, Tjønnfjord GE (1991)
Incidence and follow-up of asymptomatic multiple myeloma. The myeloma project of health region I in Norway. II
Eur J Haematol, 47 (5), 338-41
DOI 10.1111/j.1600-0609.1991.tb01857.x, PubMed 1761119

Wisløff F, Andersen P, Andersson TR, Brandt E, Eika C, Fjaestad K, Ly B, Løvåsen K, Strøm BR, Tjønnfjord GE (1991)
Has the incidence of multiple myeloma in old age been underestimated? The myeloma project of health region I in Norway. I
Eur J Haematol, 47 (5), 333-7
DOI 10.1111/j.1600-0609.1991.tb01856.x, PubMed 1761118

Publications 1990

Brinch L, Tjønnfjord G, Ly B (1990)
[Folic acid deficiency can cause severe anemia and pancytopenia]
Tidsskr Nor Laegeforen, 110 (14), 1830-1
PubMed 2363149

Publications 1989

Tjønnfjord GE, Evensen SA, Stormorken H, Trebo S (1989)
[Progress in the treatment of mild hemophilia. Liberation of factor VIII from the vascular endothelium with 1-desamino-8-D-arginine vasopressin]
Tidsskr Nor Laegeforen, 109 (12), 1291-2
PubMed 2499950

Publications 1988

Tjønnfjord G, Evensen SA, Nordhagen R (1988)
Tidsskr Nor Laegeforen, 108 (16), 1291-2
PubMed 3133819

Tjønnfjord GE (1988)
[Temporal arteritis in 3 siblings]
Tidsskr Nor Laegeforen, 108 (10), 750-1
PubMed 3363545

Publications 1987

Tjønnfjord GE, Farup PG (1987)
[Intrathoracic peptic ulcer perforation]
Tidsskr Nor Laegeforen, 107 (23), 1881-2
PubMed 3660371

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