Johan Bjerner
Position: MD, PhD
Phone: +47 22 93 53 05

Author network for Johan Bjerner by COREMINE medical

Publications 2017

Oppen K, Bjerner J, Buchmann M, Piehler AP (2017)
Incidental findings of monoclonal proteins from carbohydrate-deficient transferrin analysis using capillary electrophoresis
Clin Chem Lab Med, 55 (7), e133-e136
PubMed 27816951

Publications 2015

Piehler AP, Grimholt RM, Bjerner J, Buchmann MS (2015)
Interference of common haemoglobin variants with the Tosoh G7 standard mode HbA1c method
Scand J Clin Lab Invest, 75 (5), 362-6
PubMed 25858015

Sprauten M, Haugnes HS, Brydøy M, Kiserud C, Tandstad T, Bjøro T, Bjerner J, Cvancarova M, Fosså SD, Oldenburg J (2015)
Chronic fatigue in 812 testicular cancer survivors during long-term follow-up: increasing prevalence and risk factors
Ann Oncol, 26 (10), 2133-40
PubMed 26265167

Publications 2014

Sprauten M, Brydøy M, Haugnes HS, Cvancarova M, Bjøro T, Bjerner J, Fosså SD, Oldenburg J (2014)
Longitudinal serum testosterone, luteinizing hormone, and follicle-stimulating hormone levels in a population-based sample of long-term testicular cancer survivors
J Clin Oncol, 32 (6), 571-8
PubMed 24419125

Publications 2013

Reinton N, Moi H, Olsen AO, Zarabyan N, Bjerner J, Tønseth TM, Moghaddam A (2013)
Anatomic distribution of Neisseria gonorrhoeae, Chlamydia trachomatis and Mycoplasma genitalium infections in men who have sex with men
Sex Health, 10 (3), 199-203
PubMed 23751932

Publications 2012

Bjerner J, Bolstad N, Piehler A (2012)
Belief is only half the truth--or why screening for heterophilic antibody interference in certain assays makes double sense
Ann Clin Biochem, 49 (Pt 4), 381-6
PubMed 22740684

Bolstad N, Warren DJ, Bjerner J, Kravdal G, Schwettmann L, Olsen KH, Rustad P, Nustad K (2012)
Heterophilic antibody interference in commercial immunoassays; a screening study using paired native and pre-blocked sera (vol 49, pg 2001, 2011)
Clin. Chem. Lab. Med., 50 (2), 409

Piehler AP, Grimholt RM, Bjerner J, Urdal P, Buchmann M (2012)
Discrepancy between HbA1c and fasting glucose results due to HbD
Scand J Clin Lab Invest, 73 (2), 186-8
PubMed 23198773

Publications 2011

Bolstad N, Warren DJ, Bjerner J, Kravdal G, Schwettmann L, Olsen KH, Rustad P, Nustad K (2011)
Heterophilic antibody interference in commercial immunoassays; a screening study using paired native and pre-blocked sera
Clin Chem Lab Med, 49 (12), 2001-6
PubMed 21899496

Bolstad N, Øijordsbakken M, Nustad K, Bjerner J (2011)
Human epididymis protein 4 reference limits and natural variation in a Nordic reference population
Tumour Biol, 33 (1), 141-8
PubMed 22105734

Torfoss D, Sandstad B, Mollnes TE, Høiby EA, Holte H, Bjerner J, Bjøro T, Gaudernack G, Kvalheim G, Kvaløy S (2011)
The mild inflammatory response in febrile neutropenic lymphoma patients with low risk of complications is more pronounced in patients receiving tobramycin once daily compared with three times daily
Scand J Immunol, 74 (6), 632-9
PubMed 21883353

Publications 2010

Reinton N, Moi H, Bjerner J, Moghaddam A (2010)
[The Swedish Chlamydia mutant nvC trachomatis in Norway]
Tidsskr Nor Laegeforen, 130 (4), 380-1
PubMed 20220862

Publications 2009

Bjerner J (2009)
Comment on the article entitled How to Deal with Dichotomous Tests? Application of a Rankit Ordinal Scale Model with examples from the Nordic Ordinal Scale Project on screening tests by Petersen et al.
Scand. J. Clin. Lab. Invest., 69 (1), PII 795238378-29

Bjerner J, Biernat D, Fosså SD, Bjøro T (2009)
Reference intervals for serum testosterone, SHBG, LH and FSH in males from the NORIP project
Scand J Clin Lab Invest, 69 (8), 873-9.e1-11
PubMed 19929279

Bjerner J, Theodorsson E, Hovig E, Kallner A (2009)
Non-parametric estimation of reference intervals in small non-Gaussian sample sets
Accredit. Qual. Assur., 14 (4), 185-192

Publications 2008

Bjerner J, Høgetveit A, Wold Akselberg K, Vangsnes K, Paus E, Bjøro T, Børmer OP, Nustad K (2008)
Reference intervals for carcinoembryonic antigen (CEA), CA125, MUC1, Alfa-foeto-protein (AFP), neuron-specific enolase (NSE) and CA19.9 from the NORIP study
Scand J Clin Lab Invest, 68 (8), 703-13
PubMed 18609108

Nordlund MS, Bjerner J, Warren DJ, Nustad K, Paus E (2008)
Progastrin-releasing peptide: stability in plasma/serum and upper reference limit
Tumour Biol, 29 (3), 204-10
PubMed 18667845

Nordlund MS, Warren DJ, Nustad K, Bjerner J, Paus E (2008)
Automated time-resolved immunofluorometric assay for progastrin-releasing peptide
Clin Chem, 54 (5), 919-22
PubMed 18443179

Publications 2007

Bjerner J (2007)
Comment on: Hansen AM, Garde AH, Eller NH. Estimation of individual reference intervals in small sample sizes. Int. J. Hyg. Environ. Health 2007; 210: 471-478
Int J Hyg Environ Health, 211 (3-4), 465-6; author reply 467
PubMed 18054282

Bjerner J (2007)
Age-dependent biochemical quantities: an approach for calculating reference intervals
Scand J Clin Lab Invest, 67 (7), 707-22
PubMed 17852817

Publications 2005

Bjerner J (2005)
Human anti-immunoglobulin antibodies interfering in immunometric assays
Scand J Clin Lab Invest, 65 (5), 349-64
PubMed 16081358

Bjerner J, Børmer OP, Nustad K (2005)
The war on heterophilic antibody interference
Clin Chem, 51 (1), 9-11
PubMed 15613705

Bjerner J, Olsen KH, Børmer OP, Nustad K (2005)
Human heterophilic antibodies display specificity for murine IgG subclasses
Clin Biochem, 38 (5), 465-72
PubMed 15820778

Warren DJ, Bjerner J, Paus E, Børmer OP, Nustad K (2005)
Use of an in vivo biotinylated single-chain antibody as capture reagent in an immunometric assay to decrease the incidence of interference from heterophilic antibodies
Clin Chem, 51 (5), 830-8
PubMed 15718486

Publications 2004

Bjerner J, Amlie LM, Rusten LS, Jakobsen E (2004)
Serum levels of soluble transferrin receptors (STFR) correlate better with severity of disease than with iron stores in patients with malignant lymphomas

Bjerner J, Olsen KH, Børmer OP, Nustad K (2004)
Testing and validating a homogeneous immunometric assay for interference
Clin Chem Lab Med, 42 (2), 208-14
PubMed 15061363

Publications 2002

Bjerner J, Amlie LM, Rusten LS, Jakobsen E (2002)
Serum levels of soluble transferrin receptor correlate with severity of disease but not with iron stores in patients with malignant lymphomas
Tumour Biol, 23 (3), 146-53
PubMed 12218295

Bjerner J, Lebedin Y, Bellanger L, Kuroki M, Shively JE, Varaas T, Nustad K, Hammarström S, Børmer OP (2002)
Protein epitopes in carcinoembryonic antigen. Report of the ISOBM TD8 workshop
Tumour Biol, 23 (4), 249-62
PubMed 12499780

Bjerner J, Norum LF, Nilsson O, Nustad K (2002)
MUC1 serum assays in breast cancer: tumor specificities and reference levels
Tumour Biol, 23 (6), 315-23
PubMed 12677089

Bjerner J, Nustad K, Norum LF, Olsen KH, Børmer OP (2002)
Immunometric assay interference: incidence and prevention
Clin Chem, 48 (4), 613-21
PubMed 11901059