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Publications by Johan Bjerner

35 publications found

Original articles

Bjerner J, Bratt O, Aas K, Albertsen PC, Fosså SD, Kvåle R, Lilja H, Müller C, Müller S, Stensvold A, Thomas O, Røe OD, Vickers A, Walz J, Carlsson SV, Oldenburg J (2023)
Baseline Serum Prostate-specific Antigen Value Predicts the Risk of Subsequent Prostate Cancer Death-Results from the Norwegian Prostate Cancer Consortium
Eur Urol (in press)
DOI 10.1016/j.eururo.2023.04.028, PubMed 37169639

Gilboe HM, Reiakvam OM, Aasen L, Tjade T, Bjerner J, Ranheim TE, Gaustad P (2021)
Rapid diagnosis and reduced workload for urinary tract infection using flowcytometry combined with direct antibiotic susceptibility testing
PLoS One, 16 (7), e0254064
DOI 10.1371/journal.pone.0254064, PubMed 34228764

Nome RV, Bjøro T, Paus E, Bjerner J, Fosså SD, Steen R, Nustad K, Bolstad N (2017)
Lowered reference limits for hCG improve follow-up of patients with hCG-producing tumors
Clin Biochem, 52, 73-79
DOI 10.1016/j.clinbiochem.2017.11.016, PubMed 29198759

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
DOI 10.1093/annonc/mdv328, PubMed 26265167

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
DOI 10.3109/00365513.2015.1031687, PubMed 25858015

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
DOI 10.1200/JCO.2013.51.2715, PubMed 24419125

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
DOI 10.1071/SH12092, PubMed 23751932

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
DOI 10.1258/acb.2012.011228, PubMed 22740684

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
DOI 10.1111/j.1365-3083.2011.02618.x, PubMed 21883353

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
DOI 10.1007/s13277-011-0256-4, PubMed 22105734

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
DOI 10.1515/CCLM.2011.702, PubMed 21899496

Reinton N, Moi H, Bjerner J, Moghaddam A (2010)
[The Swedish Chlamydia mutant nvC trachomatis in Norway]
Tidsskr Nor Laegeforen, 130 (4), 380-1
DOI 10.4045/tidsskr.09.0051, PubMed 20220862

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
DOI 10.1007/s00769-009-0490-2

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
DOI 10.3109/00365510903380886, PubMed 19929279

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
DOI 10.1373/clinchem.2007.101436, PubMed 18443179

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
DOI 10.1159/000148188, PubMed 18667845

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
DOI 10.1080/00365510802126836, PubMed 18609108

Bjerner J (2007)
Age-dependent biochemical quantities: an approach for calculating reference intervals
Scand J Clin Lab Invest, 67 (7), 707-22
DOI 10.1080/00365510701342070, PubMed 17852817

Bjerner J, Olsen KH, Børmer OP, Nustad K (2005)
Human heterophilic antibodies display specificity for murine IgG subclasses
Clin Biochem, 38 (5), 465-72
DOI 10.1016/j.clinbiochem.2005.02.008, 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
DOI 10.1373/clinchem.2004.046979, PubMed 15718486

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
DOI 10.1515/CCLM.2004.038, PubMed 15061363

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
ADVANCES IN CRITICAL CARE TESTING, 119

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
DOI 10.1159/000064031, 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
DOI 10.1159/000067255, 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
DOI 10.1159/000069790, 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

Review articles

Kuklin V, Sovershaev M, Bjerner J, Keith P, Scott LK, Thomas OMT, Szpirt W, Rock G, Stegmayr B (2024)
Influence of therapeutic plasma exchange treatment on short-term mortality of critically ill adult patients with sepsis-induced organ dysfunction: a systematic review and meta-analysis
Crit Care, 28 (1), 12
DOI 10.1186/s13054-023-04795-x, PubMed 38178170

Bjerner J (2005)
Human anti-immunoglobulin antibodies interfering in immunometric assays
Scand J Clin Lab Invest, 65 (5), 349-64
DOI 10.1080/00365510510025818, PubMed 16081358

Other articles

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
DOI 10.1515/cclm-2016-0625, PubMed 27816951

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
DOI 10.3109/00365513.2012.744089, PubMed 23198773

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
DOI 10.1515/cclm-2012-0038

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), 28-30
DOI 10.1080/00365510802290681, PubMed 18649166

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
DOI 10.1016/j.ijheh.2007.08.009, PubMed 18054282

Bjerner J, Børmer OP, Nustad K (2005)
The war on heterophilic antibody interference
Clin Chem, 51 (1), 9-11
DOI 10.1373/clinchem.2004.042994, PubMed 15613705

Theses

Bjerner J (2005)
Heterophilic antibody interference in immunometric assays
In Series of dissertations submitted to the Faculty of Medicine, University of Oslo, Unipub, Oslo, no. 291, 77 s.
BIBSYS 051006316, ISBN 82-8072-648-9