GeneSet Information

Tier II GS135366 • B.burgdorferi-associated arthritis 4 (Bbaa4, Published QTL Chr 11)

DESCRIPTION:

QTL associated with B.burgdorferi-associated arthritis 4. This interval was obtained by using a fixed interval width of 25 Mbp around the peak marker (83403911)

LABEL:

QTL-Bbaa4-Mouse-Chr 11

SCORE TYPE:

Binary

DATE ADDED:

2012-04-02

DATE UPDATED:

2020-05-06

SPECIES:

AUTHORS:

Ma Y, Miller JC, Crandall H, Larsen ET, Dunn DM, Weiss RB, Subramanian M, Weis JH, Zachary JF, Teuscher C, Weis JJ

TITLE:

Interval-specific congenic lines reveal quantitative trait Loci with penetrant lyme arthritis phenotypes on chromosomes 5, 11, and 12.

JOURNAL:

Infection and immunity Aug 2009, Vol 77, pp. 3302-11

ABSTRACT:

The observation that Borrelia burgdorferi-induced arthritis is severe in C3H mice and milder in C57BL/6 (B6) mice has allowed a forward genetics approach for the identification of genetic elements that regulate the arthritis response. Quantitative trait loci (QTL) on five chromosomes (Chr) were identified previously in segregating crosses between C3H and B6 mice and collectively designated B. burgdorferi arthritis-associated (Bbaa) QTL. Reciprocal interval-specific congenic lines (ISCL) that encompass Bbaa1, Bbaa2-Bbaa3, Bbaa4, Bbaa6, and Bbaa12 on Chr 4, 5, 11, 12, and 1, respectively, have now been generated. Bidirectional transfer of the arthritis severity phenotype in association with Bbaa2-Bbaa3 and Bbaa4 was observed, and unidirectional transfer with the B6 allele of Bbaa6 was noted. These findings confirm the existence of polymorphic loci within Bbaa2-Bbaa3, Bbaa4, and Bbaa6 that regulate the severity of B. burgdorferi-induced arthritis. ISCL were used to assess the regulation of a previously identified interferon transcriptional profile associated with severe disease in C3H mice. The regulation of this transcriptional signature was found to be independent of penetrant Bbaa QTL, both in joint tissues and in isolated macrophages. These results clearly demonstrate the utility of forward genetics for the discovery of novel genes and pathways involved in the regulation of the severity of Lyme arthritis and predict the involvement of regulatory elements not evident from other experimental approaches. PUBMED: 19487472
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Annotation Information



Social Control, Formal (D012926)
Mice, Inbred C3H (D008809)
Alleles (D000483)
Genetics (D005823)
Chromosomes (D002875)
Quantitative Trait Loci (D040641)
Transfer (Psychology) (D014163)
Lyme Disease (D008193)
Borrelia (D001898)
Tissues (D014024)
Interferons (D007372)
Observation (D019370)
Elements (D004602)
Identification (Psychology) (D007062)
Arthritis (D001168)
Macrophages (D008264)
Association (D001244)
arthritis (MP:0002993)

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