GeneSet Information

Tier II GS135370 • B.burgdorferi-associated arthritis 8 (Bbaa8, Published QTL Chr 17)


QTL associated with B.burgdorferi-associated arthritis 8. This interval was obtained by using a fixed interval width of 25 Mbp around the peak marker (37346853)


QTL-Bbaa8-Mouse-Chr 17









Nandakumar KS, Holmdahl R


A genetic contamination in MHC-congenic mouse strains reveals a locus on chromosome 10 that determines autoimmunity and arthritis susceptibility.


European journal of immunology Apr 2005, Vol 35, pp. 1275-82


Among the arthritis-susceptible MHC (H-2)-congenic mouse strains, B10.RIII mice are highly susceptible to collagen-induced arthritis. Surprisingly, the B10.RIII strain was also more susceptible to the T cell independent model CAIA (collagen-antibody-induced arthritis). Through genome-wide genotyping, we found that the B10.RIII and B10.Q strains differed not only in chromosome 17 (MHC) but also in a region on chromosome 10, which contained a fragment from the MHC donor RIIIS/J. We isolated the chromosome 10 as well as the chromosome 17 segments on the B10.RIII and B10.Q backgrounds. Congenic mice containing the RIIIS/J-derived chromosome 10 segment showed significantly higher susceptibility and severity of arthritis with an enhanced autoimmune response to type II collagen. Furthermore, this chromosomal segment significantly promoted CAIA. Similarly, the RIIIS/J segment in chromosome 17 also promoted CAIA independently of other gene segments. These data show that other gene regions, apart from MHC class II, may explain effects both at the priming and effector level of arthritis observed in widely used MHC congenic strains. These new congenic fragments, on both chromosome 10 and 17, provide new mouse strains suitable for studies aiming at positional cloning of new genes associated with arthritis. PUBMED: 15761851
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Annotation Information

Major Histocompatibility Complex (D008285)
Mice, Congenic (D020297)
Tissue Donors (D014019)
Chromosomes (D002875)
Chromosomes, Human, Pair 10 (D002879)
Collagen Type II (D024043)
Chromosomes, Human, Pair 17 (D002886)
Classification (D002965)
Cloning, Organism (D019976)
Collagen (D003094)
Autoimmunity (D015551)
Arthritis, Experimental (D001169)
Arthritis (D001168)
arthritis (MP:0002993)
autoimmune response (MP:0001844)
chromosome (GO:0005694)

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