Publications 2024

Halvorsen B, Viermyr HK, Ueland T, Sagen EL, Michelsen AE, Bjerkeli V, Nor-Solidarity Study Group, Tveita AA, Henriksen KN, Kåsine T, Dyrhol-Riise AM, Trøseid M, Dahl TB, Aukrust P, Gregersen I (2024)
IL-22 is increased in hospitalized patients with COVID-19 and associates with cardiac involvement
J Infect, 89 (1), 106176
DOI 10.1016/j.jinf.2024.106176, PubMed 38719108

Murphy SL, Balzer NR, Ranheim T, Sagen EL, Huse C, Bjerkeli V, Michelsen AE, Finbråten AK, Heggelund L, Dyrhol-Riise AM, Tveita A, Holten AR, Trøseid M, Ueland T, Ulas T, Aukrust P, Barratt-Due A, Halvorsen B, Dahl TB (2024)
Extracellular matrix remodelling pathway in peripheral blood mononuclear cells from severe COVID-19 patients: an explorative study
Front Immunol, 15, 1379570
DOI 10.3389/fimmu.2024.1379570, PubMed 38957465

Zamani M, Skagen K, Lindberg B, Bjerkeli V, Aukrust P, Halvorsen B, Skjelland M (2024)
Relationship between fibroblast growth factor in plasma and carotid plaque neovascularization: a pilot study
Front Immunol, 15, 1385377
DOI 10.3389/fimmu.2024.1385377, PubMed 38711510

Publications 2023

Ratajczak-Tretel B, Lambert AT, Al-Ani R, Arntzen K, Bakkejord GK, Bekkeseth HMO, Bjerkeli V, Eldøen G, Gulsvik AK, Halvorsen B, Høie GA, Ihle-Hansen H, Ihle-Hansen H, Ingebrigtsen S, Kremer C, Krogseth SB, Kruuse C, Kurz M, Nakstad I, Novotny V, Næss H, Qazi R, Rezaj MK, Rørholt DM, Steffensen LH et al. (2023)
Prediction of underlying atrial fibrillation in patients with a cryptogenic stroke: results from the NOR-FIB Study
J Neurol, 270 (8), 4049-4059
DOI 10.1007/s00415-023-11680-8, PubMed 37162578

Ratajczak-Tretel B, Lambert AT, Al-Ani R, Arntzen K, Bakkejord GK, Bekkeseth HMO, Bjerkeli V, Eldøen G, Gulsvik AK, Halvorsen B, Høie GA, Ihle-Hansen H, Ingebrigtsen S, Kremer C, Krogseth SB, Kruuse C, Kurz M, Nakstad I, Novotny V, Naess H, Qazi R, Rezaj MK, Rørholt DM, Steffensen LH, Sømark J et al. (2023)
Underlying causes of cryptogenic stroke and TIA in the nordic atrial fibrillation and stroke (NOR-FIB) study - the importance of comprehensive clinical evaluation
BMC Neurol, 23 (1), 115
DOI 10.1186/s12883-023-03155-0, PubMed 36944929

Stø K, Skagen KR, Valeur J, Yang K, Bjerkeli V, Aukrust P, Skjelland M, Halvorsen B (2023)
Increased plasma levels of non-sugar sweeteners in patients with symptomatic carotid atherosclerosis
Scand Cardiovasc J, 57 (1), 2205068
DOI 10.1080/14017431.2023.2205068, PubMed 37102258

Tancin Lambert A, Ratajczak-Tretel B, Al-Ani R, Arntzen K, Bakkejord GK, Bekkeseth HMO, Bjerkeli V, Eldøen G, Gulsvik AK, Halvorsen B, Høie GA, Ihle-Hansen H, Ihle-Hansen H, Ingebrigtsen S, Johansen H, Kremer C, Krogseth SB, Kruuse C, Kurz M, Nakstad I, Novotny V, Naess H, Qazi R, Rezai MK, Rørholt DM et al. (2023)
Biomarkers predictive of atrial fibrillation in patients with cryptogenic stroke. Insights from the Nordic Atrial Fibrillation and Stroke (NOR-FIB) study
Eur J Neurol, 30 (5), 1352-1363
DOI 10.1111/ene.15746, PubMed 36786305

Publications 2022

Huse C, Anstensrud AK, Michelsen AE, Ueland T, Broch K, Woxholt S, Yang K, Sharma K, Tøllefsen IM, Bendz B, Amundsen BH, Damås JK, Berg ES, Bjørkelund E, Quiles-Jiménez A, Bjerkeli V, Bendz C, Kleveland O, Stensaeth KH, Opdahl A, Kløw NE, Andersen GØ, Wiseth R, Halvorsen B, Gullestad L et al. (2022)
Interleukin-6 inhibition in ST-elevation myocardial infarction: Immune cell profile in the randomised ASSAIL-MI trial
EBioMedicine, 80, 104013
DOI 10.1016/j.ebiom.2022.104013, PubMed 35504178

Ratajczak-Tretel B, Tancin Lambert A, Al-Ani R, Arntzen K, Bakkejord GK, Bekkeseth H, Bjerkeli V, Eldøen G, Gulsvik A, Halvorsen B, Høie GA, Ihle-Hansen H, Ihle-Hansen H, Ingebrigtsen S, Johansen H, Kremer C, Krogseth SB, Kruuse C, Kurz M, Nakstad I, Novotny V, Næss H, Qazi R, Rezaj MK, Rørholt DM et al. (2022)
Atrial fibrillation in cryptogenic stroke and TIA patients in The Nordic Atrial Fibrillation and Stroke (NOR-FIB) Study: Main results
Eur Stroke J, 8 (1), 148-156
DOI 10.1177/23969873221123122, PubMed 37021182

Ratajczak-Tretel B, Tancin Lambert A, Al-Ani R, Arntzen K, Bakkejord GK, Bekkeseth HMO, Bjerkeli V, Eldøen G, Gulsvik A, Halvorsen B, Høie GA, Ihle-Hansen H, Ihle-Hansen H, Ingebrigtsen S, Johansen H, Kremer C, Krogseth SB, Kruuse C, Kurz M, Nakstad I, Novotny V, Næss 18 H, Qazi R, Rezaj MK, Rørholt DM et al. (2022)
Atrial fibrillation in cryptogenic stroke and TIA patients in The Nordic Atrial Fibrillation and Stroke (NOR-FIB) Study: Main results
European Stroke Journal, 0 (0), 1-9
DOI 10.1177/23969873221123122, PublikaID 431

Stø K, Valeur J, Ueland T, Malmstrøm GH, Bjerkeli V, Trøseid M, Hov JR, Holm K, Vestad B, Halvorsen B, Skjelland M, Skagen KR (2022)
Fecal level of butyric acid, a microbiome-derived metabolite, is increased in patients with severe carotid atherosclerosis
Sci Rep, 12 (1), 22378
DOI 10.1038/s41598-022-26759-x, PubMed 36572703

Publications 2021

Quiles-Jiménez A, Gregersen I, Segers FM, Skarpengland T, Kroustallaki P, Yang K, Kong XY, Lauritzen KH, Olsen MB, Karlsen TR, Nyman TA, Sagen EL, Bjerkeli V, Suganthan R, Nygård S, Scheffler K, Prins J, Van der Veer E, Øgaard JD, Fløisand Y, Jørgensen HF, Holven KB, Biessen EA, Nilsen H, Dahl TB et al. (2021)
DNA glycosylase Neil3 regulates vascular smooth muscle cell biology during atherosclerosis development
Atherosclerosis, 324, 123-132
DOI 10.1016/j.atherosclerosis.2021.02.023, PubMed 33714552

Publications 2020

Tancin Lambert A, Kong XY, Ratajczak-Tretel B, Atar D, Russell D, Skjelland M, Bjerkeli V, Skagen K, Coq M, Schordan E, Firat H, Halvorsen B, Aamodt AH (2020)
Biomarkers Associated with Atrial Fibrillation in Patients with Ischemic Stroke: A Pilot Study from the NOR-FIB Study
Cerebrovasc Dis Extra, 10 (1), 11-20
DOI 10.1159/000504529, PubMed 32028277

Publications 2019

Ratajczak-Tretel B, Lambert AT, Johansen H, Halvorsen B, Bjerkeli V, Russell D, Sandset EC, Ihle-Hansen H, Eriksen E, Næss H, Novotny V, Khanevski AN, Truelsen TC, Idicula T, Ægidius KL, Tobro H, Krogseth SB, Ihle-Hansen H, Hagberg G, Kruuse C, Arntzen K, Bakkejord GK, Villseth M, Nakstad I, Eldøen G et al. (2019)
Atrial fibrillation in cryptogenic stroke and transient ischaemic attack - The Nordic Atrial Fibrillation and Stroke (NOR-FIB) Study: Rationale and design
Eur Stroke J, 4 (2), 172-180
DOI 10.1177/2396987319837089, PubMed 31259265

Publications 2018

Skarpengland T, Skjelland M, Kong XY, Skagen K, Holm S, Otterdal K, Dahl CP, Krohg-Sørensen K, Sagen EL, Bjerkeli V, Aamodt AH, Abbas A, Gregersen I, Aukrust P, Halvorsen B, Dahl TB (2018)
Increased Levels of Lectin-Like Oxidized Low-Density Lipoprotein Receptor-1 in Ischemic Stroke and Transient Ischemic Attack
J Am Heart Assoc, 7 (2)
DOI 10.1161/JAHA.117.006479, PubMed 29330254

Solheim N, Gregersen I, Halvorsen B, Bjerkeli V, Stubhaug A, Gordh T, Rosseland LA (2018)
Randomized controlled trial of intra-articular ketorolac on pain and inflammation after minor arthroscopic knee surgery
Acta Anaesthesiol Scand, 62 (6), 829-838
DOI 10.1111/aas.13104, PubMed 29512121

Publications 2017

Espada S, Stavik B, Holm S, Sagen EL, Bjerkeli V, Skjelland M, Dahl TB, Espevik T, Kanse S, Sandset PM, Skretting G, Halvorsen B (2017)
Tissue factor pathway inhibitor attenuates ER stress-induced inflammation in human M2-polarized macrophages
Biochem Biophys Res Commun, 491 (2), 442-448
DOI 10.1016/j.bbrc.2017.07.070, PubMed 28712870

Stavik B, Holm S, Espada S, Iversen N, Sporsheim B, Bjerkeli V, Dahl TB, Sandset PM, Skjelland M, Espevik T, Skretting G, Halvorsen B (2017)
Increased expression of TFPI in human carotid stenosis
Thromb Res, 155, 31-37
DOI 10.1016/j.thromres.2017.04.024, PubMed 28482260

Publications 2016

Halvorsen B, Santilli F, Scholz H, Sahraoui A, Gulseth HL, Wium C, Lattanzio S, Formoso G, Di Fulvio P, Otterdal K, Retterstøl K, Holven KB, Gregersen I, Stavik B, Bjerkeli V, Michelsen AE, Ueland T, Liani R, Davi G, Aukrust P (2016)
LIGHT/TNFSF14 is increased in patients with type 2 diabetes mellitus and promotes islet cell dysfunction and endothelial cell inflammation in vitro
Diabetologia, 59 (10), 2134-44
DOI 10.1007/s00125-016-4036-y, PubMed 27421726

Skagen K, Trøseid M, Ueland T, Holm S, Abbas A, Gregersen I, Kummen M, Bjerkeli V, Reier-Nilsen F, Russell D, Svardal A, Karlsen TH, Aukrust P, Berge RK, Hov JE, Halvorsen B, Skjelland M (2016)
The Carnitine-butyrobetaine-trimethylamine-N-oxide pathway and its association with cardiovascular mortality in patients with carotid atherosclerosis
Atherosclerosis, 247, 64-9
DOI 10.1016/j.atherosclerosis.2016.01.033, PubMed 26868510

Publications 2015

Abbas A, Gregersen I, Holm S, Daissormont I, Bjerkeli V, Krohg-Sørensen K, Skagen KR, Dahl TB, Russell D, Almås T, Bundgaard D, Alteheld LH, Rashidi A, Dahl CP, Michelsen AE, Biessen EA, Aukrust P, Halvorsen B, Skjelland M (2015)
Interleukin 23 levels are increased in carotid atherosclerosis: possible role for the interleukin 23/interleukin 17 axis
Stroke, 46 (3), 793-9
DOI 10.1161/STROKEAHA.114.006516, PubMed 25649806

Publications 2014

Abbas A, Aukrust P, Russell D, Krohg-Sørensen K, Almås T, Bundgaard D, Bjerkeli V, Sagen EL, Michelsen AE, Dahl TB, Holm S, Ueland T, Skjelland M, Halvorsen B (2014)
Matrix metalloproteinase 7 is associated with symptomatic lesions and adverse events in patients with carotid atherosclerosis
PLoS One, 9 (1), e84935
DOI 10.1371/journal.pone.0084935, PubMed 24400123

Halvorsen B, Smedbakken LM, Michelsen AE, Skjelland M, Bjerkeli V, Sagen EL, Taskén K, Bendz B, Gullestad L, Holm S, Biessen EA, Aukrust P (2014)
Activated platelets promote increased monocyte expression of CXCR5 through prostaglandin E2-related mechanisms and enhance the anti-inflammatory effects of CXCL13
Atherosclerosis, 234 (2), 352-9
DOI 10.1016/j.atherosclerosis.2014.03.021, PubMed 24732574

Publications 2012

Abbas A, Aukrust P, Dahl TB, Bjerkeli V, Sagen EB, Michelsen A, Russell D, Krohg-Sørensen K, Holm S, Skjelland M, Halvorsen B (2012)
High levels of S100A12 are associated with recent plaque symptomatology in patients with carotid atherosclerosis
Stroke, 43 (5), 1347-53
DOI 10.1161/STROKEAHA.111.642256, PubMed 22382154

Publications 2008

Fevang B, Yndestad A, Damås JK, Bjerkeli V, Ueland T, Holm AM, Beiske K, Aukrust P, Frøland SS (2008)
Chemokines and common variable immunodeficiency; possible contribution of the fractalkine system (CX3CL1/CX3CR1) to chronic inflammation
Clin Immunol, 130 (2), 151-61
DOI 10.1016/j.clim.2008.09.002, PubMed 18938112

Holven KB, Aukrust P, Retterstøl K, Otterdal K, Bjerkeli V, Ose L, Nenseter MS, Halvorsen B (2008)
The antiatherogenic function of HDL is impaired in hyperhomocysteinemic subjects
J Nutr, 138 (11), 2070-5
DOI 10.3945/jn.108.090704, PubMed 18936200

Publications 2007

Bjerkeli V, Damås JK, Fevang B, Holter JC, Aukrust P, Frøland SS (2007)
Increased expression of fractalkine (CX3CL1) and its receptor, CX3CR1, in Wegener's granulomatosis--possible role in vascular inflammation
Rheumatology (Oxford), 46 (9), 1422-7
DOI 10.1093/rheumatology/kem168, PubMed 17616549

Publications 2006

Holven KB, Halvorsen B, Bjerkeli V, Damås JK, Retterstøl K, Mørkrid L, Ose L, Aukrust P, Nenseter MS (2006)
Impaired inhibitory effect of interleukin-10 on the balance between matrix metalloproteinase-9 and its inhibitor in mononuclear cells from hyperhomocysteinemic subjects
Stroke, 37 (7), 1731-6
DOI 10.1161/01.STR.0000226465.84561.cb, PubMed 16728689

Publications 2005

Torheim EA, Yndestad A, Bjerkeli V, Halvorsen B, Aukrust P, Frøland SS (2005)
Increased expression of chemokines in patients with Wegener's granulomatosis - modulating effects of methylprednisolone in vitro
Clin Exp Immunol, 140 (2), 376-83
DOI 10.1111/j.1365-2249.2005.02770.x, PubMed 15807865

Publications 2004

Bjerkeli V, Halvorsen B, Damås JK, Nordøy I, Yndestad A, Aukrust P, Frøland SS (2004)
Expression of matrix metalloproteinases in patients with Wegener's granulomatosis
Ann Rheum Dis, 63 (12), 1659-63
DOI 10.1136/ard.2003.017954, PubMed 15547092

Holm AM, Sivertsen EA, Tunheim SH, Haug T, Bjerkeli V, Yndestad A, Aukrust P, Frøland SS (2004)
Gene expression analysis of peripheral T cells in a subgroup of common variable immunodeficiency shows predominance of CCR7(-) effector-memory T cells
Clin Exp Immunol, 138 (2), 278-89
DOI 10.1111/j.1365-2249.2004.02630.x, PubMed 15498038

Johansson CC, Bryn T, Yndestad A, Eiken HG, Bjerkeli V, Frøland SS, Aukrust P, Taskén K (2004)
Cytokine networks are pre-activated in T cells from HIV-infected patients on HAART and are under the control of cAMP
AIDS, 18 (2), 171-9
DOI 10.1097/00002030-200401230-00005, PubMed 15075533

Publications 2003

Stylianou E, Bjerkeli V, Yndestad A, Heggelund L, Waehre T, Damås JK, Aukrust P, Frøland SS (2003)
Raised serum levels of interleukin-18 is associated with disease progression and may contribute to virological treatment failure in HIV-1-infected patients
Clin Exp Immunol, 132 (3), 462-6
DOI 10.1046/j.1365-2249.2003.02179.x, PubMed 12780693

Publications 2002

Stylianou E, Yndestad A, Sikkeland LI, Bjerkeli V, Damås JK, Haug T, Eiken HG, Aukrust P, Frøland SS (2002)
Effects of interferon-alpha on gene expression of chemokines and members of the tumour necrosis factor superfamily in HIV-infected patients
Clin Exp Immunol, 130 (2), 279-85
DOI 10.1046/j.1365-2249.2002.01980.x, PubMed 12390316

Publications 2001

Eiken HG, Øie E, Damås JK, Yndestad A, Bjerkeli V, Aass H, Simonsen S, Geiran OR, Tønnessen T, Christensen G, Frøland SS, Gullestad L, Attramadal H, Aukrust P (2001)
Myocardial gene expression of leukaemia inhibitory factor, interleukin-6 and glycoprotein 130 in end-stage human heart failure
Eur J Clin Invest, 31 (5), 389-97
DOI 10.1046/j.1365-2362.2001.00795.x, PubMed 11380590

Publications 2000

Damås JK, Eiken HG, Oie E, Bjerkeli V, Yndestad A, Ueland T, Tonnessen T, Geiran OR, Aass H, Simonsen S, Christensen G, Froland SS, Attramadal H, Gullestad L, Aukrust P (2000)
Myocardial expression of CC- and CXC-chemokines and their receptors in human end-stage heart failure
Cardiovasc Res, 47 (4), 778-87
DOI 10.1016/s0008-6363(00)00142-5, PubMed 10974226

Jacobsen MB, Aukrust P, Kittang E, Müller F, Ueland T, Bratlie J, Bjerkeli V, Vatn MH (2000)
Relation between food provocation and systemic immune activation in patients with food intolerance
Lancet, 356 (9227), 400-1
DOI 10.1016/s0140-6736(00)02536-8, PubMed 10972377

Publications 1997

Aukrust P, Hestdal K, Lien E, Bjerkeli V, Nordøy I, Espevik T, Müller F, Frøland SS (1997)
Effects of intravenous immunoglobulin in vivo on abnormally increased tumor necrosis factor-alpha activity in human immunodeficiency virus type 1 infection
J Infect Dis, 176 (4), 913-23
DOI 10.1086/516510, PubMed 9333149

Hestdal K, Aukrust P, Müller F, Lien E, Bjerkeli V, Espevik T, Frøland SS (1997)
Dysregulation of membrane-bound tumor necrosis factor-alpha and tumor necrosis factor receptors on mononuclear cells in human immunodeficiency virus type 1 infection: low percentage of p75-tumor necrosis factor receptor positive cells in patients with advanced disease and high viral load
Blood, 90 (7), 2670-9
DOI 10.1182/blood.V90.7.2670.2670_2670_2679, PubMed 9326234