Novel quantitative trait loci controlling development of experimental autoimmune encephalomyelitis and proportion of lymphocyte subpopulations

Jenny Karlsson, Xiangshan Zhao, Irina Lonskaya, Malin Neptin, Rikard Holmdahl, Åsa Andersson

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

The B10.RIII mouse strain (H-2r) develops chronic experimental autoimmune encephalomyelitis (EAE) upon immunization with the myelin basic protein 89-101 peptide. EAE was induced and studied in a backcross between B10.RIII and the EAE-resistant RIIIS/J strain (H-2r), and a complete genome scan with microsatellite markers was performed. Five loci were significantly linked to different traits and clinical subtypes of EAE on chromosomes 1, 5, 11, 15, and 16, three of the loci having sex specificity. The quantitative trait locus on chromosome 15 partly overlapped with the Eae2 locus, previously identified in crosses between the B10.RIII and RIIIS/J mouse strains. The loci on chromosomes 11 and 16 overlapped with Eae loci identified in other mouse crosses. By analyzing the backcross animals for lymphocyte phenotypes, the proportion of B and T cells in addition to the levels of CD4+CD8- and CD4-CD8+ T cells and the CD4+/CD8+ ratio in spleen were linked to different loci on chromosomes 1, 2, 3, 5, 6, 11, and 15. On chromosome 16, we found significant linkage to spleen cell proliferation. Several linkages overlapped with the quantitative trait loci for disease phenotypes. The identification of subphenotypes that are linked to the same loci as disease traits could be most useful in the search for candidate genes and biological pathways involved in the pathological process.

Original languageEnglish (US)
Pages (from-to)1019-1026
Number of pages8
JournalJournal of Immunology
Volume170
Issue number2
DOIs
StatePublished - Jan 15 2003

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Autoimmune Experimental Encephalomyelitis
Quantitative Trait Loci
Lymphocyte Subsets
Chromosomes, Human, Pair 16
Chromosomes, Human, Pair 1
Spleen
T-Lymphocytes
Phenotype
Chromosomes, Human, Pair 15
CD4-CD8 Ratio
Chromosomes, Human, Pair 5
Chromosomes, Human, Pair 11
Chromosomes, Human, Pair 2
Pathologic Processes
Microsatellite Repeats
Immunization
B-Lymphocytes
Cell Proliferation
Genome
Lymphocytes

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

Cite this

Novel quantitative trait loci controlling development of experimental autoimmune encephalomyelitis and proportion of lymphocyte subpopulations. / Karlsson, Jenny; Zhao, Xiangshan; Lonskaya, Irina; Neptin, Malin; Holmdahl, Rikard; Andersson, Åsa.

In: Journal of Immunology, Vol. 170, No. 2, 15.01.2003, p. 1019-1026.

Research output: Contribution to journalArticle

Karlsson, Jenny ; Zhao, Xiangshan ; Lonskaya, Irina ; Neptin, Malin ; Holmdahl, Rikard ; Andersson, Åsa. / Novel quantitative trait loci controlling development of experimental autoimmune encephalomyelitis and proportion of lymphocyte subpopulations. In: Journal of Immunology. 2003 ; Vol. 170, No. 2. pp. 1019-1026.
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