Publications 2015

Olsen I, Wiker HG (2015)
Diffusion blotting: a rapid and simple method for production of multiple blots from a single gel
Methods Mol Biol, 1312, 73-6
DOI 10.1007/978-1-4939-2694-7_10, PubMed 26043991

Riaz T, Sollid LM, Olsen I, de Souza GA (2015)
Quantitative Proteomics of Gut-Derived Th1 and Th1/Th17 Clones Reveal the Presence of CD28+ NKG2D- Th1 Cytotoxic CD4+ T cells
Mol Cell Proteomics, 15 (3), 1007-16
DOI 10.1074/mcp.M115.050138, PubMed 26637539

Publications 2014

Agdestein A, Jones A, Flatberg A, Johansen TB, Heffernan IA, Djønne B, Bosco A, Olsen I (2014)
Intracellular growth of Mycobacterium avium subspecies and global transcriptional responses in human macrophages after infection
BMC Genomics, 15, 58
DOI 10.1186/1471-2164-15-58, PubMed 24450835

Agdestein A, Olsen I, Jørgensen A, Djønne B, Johansen TB (2014)
Novel insights into transmission routes of Mycobacterium avium in pigs and possible implications for human health
Vet Res, 45, 46
DOI 10.1186/1297-9716-45-46, PubMed 24742183

Publications 2013

Olsen I, Lundin KE, Sollid LM (2013)
Increased frequency of intestinal CD4+ T cells reactive with mycobacteria in patients with Crohn's disease
Scand J Gastroenterol, 48 (11), 1278-85
DOI 10.3109/00365521.2013.837952, PubMed 24131402

Olsen I, Sollid LM (2013)
Pitfalls in determining the cytokine profile of human T cells
J Immunol Methods, 390 (1-2), 106-12
DOI 10.1016/j.jim.2013.01.015, PubMed 23416458

Publications 2012

Agdestein A, Johansen TB, Kolbjørnsen Ø, Jørgensen A, Djønne B, Olsen I (2012)
A comparative study of Mycobacterium avium subsp. avium and Mycobacterium avium subsp. hominissuis in experimentally infected pigs
BMC Vet Res, 8, 11
DOI 10.1186/1746-6148-8-11, PubMed 22284630

Publications 2010

Lybeck KR, Storset AK, Djønne B, Valheim M, Olsen I (2010)
Faecal shedding detected earlier than immune responses in goats naturally infected with Mycobacterium avium subsp. paratuberculosis
Res Vet Sci, 91 (1), 32-9
DOI 10.1016/j.rvsc.2010.08.012, PubMed 20869736

Publications 2009

Johansen TB, Agdestein A, Olsen I, Nilsen SF, Holstad G, Djønne B (2009)
Biofilm formation by Mycobacterium avium isolates originating from humans, swine and birds
BMC Microbiol, 9, 159
DOI 10.1186/1471-2180-9-159, PubMed 19660141

Lybeck KR, Storset AK, Olsen I (2009)
Neutralization of interleukin-10 from CD14(+) monocytes enhances gamma interferon production in peripheral blood mononuclear cells from Mycobacterium avium subsp. paratuberculosis-infected goats
Clin Vaccine Immunol, 16 (7), 1003-11
DOI 10.1128/CVI.00114-09, PubMed 19420185

Olsen I, Balasingham SV, Davidsen T, Debebe E, Rødland EA, van Soolingen D, Kremer K, Alseth I, Tønjum T (2009)
Characterization of the major formamidopyrimidine-DNA glycosylase homolog in Mycobacterium tuberculosis and its linkage to variable tandem repeats
FEMS Immunol Med Microbiol, 56 (2), 151-61
DOI 10.1111/j.1574-695X.2009.00562.x, PubMed 19496823

Olsen I, Tollefsen S, Aagaard C, Reitan LJ, Bannantine JP, Andersen P, Sollid LM, Lundin KE (2009)
Isolation of Mycobacterium avium subspecies paratuberculosis reactive CD4 T cells from intestinal biopsies of Crohn's disease patients
PLoS One, 4 (5), e5641
DOI 10.1371/journal.pone.0005641, PubMed 19479064

Olsen I, Wiker HG (2009)
Diffusion blotting for rapid production of multiple identical imprints from sodium dodecyl sulfate polyacrylamide gel electrophoresis on a solid support
Methods Mol Biol, 536, 35-8
DOI 10.1007/978-1-59745-542-8_5, PubMed 19378042

Publications 2007

Johansen TB, Olsen I, Jensen MR, Dahle UR, Holstad G, Djønne B (2007)
New probes used for IS1245 and IS1311 restriction fragment length polymorphism of Mycobacterium avium subsp. avium and Mycobacterium avium subsp. hominissuis isolates of human and animal origin in Norway
BMC Microbiol, 7, 14
DOI 10.1186/1471-2180-7-14, PubMed 17335590

Publications 2006

Boysen P, Klevar S, Olsen I, Storset AK (2006)
The protozoan Neospora caninum directly triggers bovine NK cells to produce gamma interferon and to kill infected fibroblasts
Infect Immun, 74 (2), 953-60
DOI 10.1128/IAI.74.2.953-960.2006, PubMed 16428740

Boysen P, Olsen I, Berg I, Kulberg S, Johansen GM, Storset AK (2006)
Bovine CD2-/NKp46+ cells are fully functional natural killer cells with a high activation status
BMC Immunol, 7, 10
DOI 10.1186/1471-2172-7-10, PubMed 16643649

Kampen AH, Olsen I, Tollersrud T, Storset AK, Lund A (2006)
Lymphocyte subpopulations and neutrophil function in calves during the first 6 months of life
Vet Immunol Immunopathol, 113 (1-2), 53-63
DOI 10.1016/j.vetimm.2006.04.001, PubMed 16772096

Klevar S, Kulberg S, Boysen P, Storset AK, Moldal T, Björkman C, Olsen I (2006)
Natural killer cells act as early responders in an experimental infection with Neospora caninum in calves
Int J Parasitol, 37 (3-4), 329-39
DOI 10.1016/j.ijpara.2006.11.002, PubMed 17188277

Semret M, Bakker D, Smart N, Olsen I, Haslov K, Behr MA (2006)
Genetic analysis of Mycobacterium avium complex strains used for producing purified protein derivatives
Clin Vaccine Immunol, 13 (9), 991-6
DOI 10.1128/CVI.00217-06, PubMed 16960109

Publications 2005

Johansen TB, Djønne B, Jensen MR, Olsen I (2005)
Distribution of IS1311 and IS1245 in Mycobacterium avium subspecies revisited
J Clin Microbiol, 43 (5), 2500-2
DOI 10.1128/JCM.43.5.2500-2502.2005, PubMed 15872295

Olsen I, Boysen P, Kulberg S, Hope JC, Jungersen G, Storset AK (2005)
Bovine NK cells can produce gamma interferon in response to the secreted mycobacterial proteins ESAT-6 and MPP14 but not in response to MPB70
Infect Immun, 73 (9), 5628-35
DOI 10.1128/IAI.73.9.5628-5635.2005, PubMed 16113280

Publications 2004

Olsen I, Johansen TB, Billman-Jacobe H, Nilsen SF, Djønne B (2004)
A novel IS element, ISMpa1, in Mycobacterium avium subsp. paratuberculosis
Vet Microbiol, 98 (3-4), 297-306
DOI 10.1016/j.vetmic.2003.10.025, PubMed 15036538

Tryland M, Olsen I, Vikøren T, Handeland K, Arnemo JM, Tharaldsen J, Djønne B, Josefsen TD, Reitan LJ (2004)
Serologic survey for antibodies against Mycobacterium a vium subsp. paratuberculosis in free-ranging cervids from Norway
J Wildl Dis, 40 (1), 32-41
DOI 10.7589/0090-3558-40.1.32, PubMed 15137486

Publications 2003

Olsen I, Wiker HG, Johnson E, Langeggen H, Reitan LJ (2003)
Elevated antibody responses in patients with Crohn's disease against MPP14, a 14 kDa secreted protein purified from Mycobacterium avium subsp. paratuberculosis
Acta Vet Scand, 44 (3-4), 287
PubMed 15074652