GeneSet Information

Tier II GS135739 • dextran sodium sulfate induced colitis QTL2 (Dssc2, Published QTL Chr 2)


QTL associated with dextran sodium sulfate induced colitis QTL2. This interval was obtained by using a fixed interval width of 25 Mbp around the peak marker (80015767)


QTL-Dssc2-Mouse-Chr 2









Mhler M, Bristol IJ, Sundberg JP, Churchill GA, Birkenmeier EH, Elson CO, Leiter EH


Genetic analysis of susceptibility to dextran sulfate sodium-induced colitis in mice.


Genomics Jan 1999, Vol 55, pp. 147-56


The genetic basis for differential sensitivity of inbred mice to inflammatory bowel disease induced by dextran sulfate sodium (DSS) is unknown. Susceptible C3H/HeJ were outcrossed to partially resistant C57BL/6J mice. F2 and N2 progeny were phenotyped by evaluating histopathologic lesions in large intestine detected 16 days after a 5-day period of feeding 3.5% DSS. Screening for DSS colitis (Dssc) loci revealed quantitative trait loci (QTL) on Chr 5 (Dssc1) and Chr 2 (Dssc2). These traits contributed additively, explaining 17.5% of the variation in total colonic lesions. Additional QTL on Chr 18 and 1 that collectively explained 11% of the variation in total colon lesions were indicated. In the cecum, only a putative QTL on Chr 11 was associated with pathology (lesion severity) in the cecum. Reduced DSS susceptibility was observed in congenic stocks in which the highly susceptible NOD/Lt strain carried putative resistance alleles from either B6 on Chr 2 or from the highly resistant NON/Lt strain on Chr 9. We conclude that multiple genes control susceptibility to DSS colitis in mice. Possible Dssc candidate genes are discussed in terms of current knowledge of inflammatory bowel disease susceptibility loci in humans. PUBMED: 9933561
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Annotation Information

Alleles (D000483)
Quantitative Trait Loci (D040641)
Pathology (D010336)
Dextrans (D003911)
Intestine, Large (D007420)
Intestines (D007422)
Disease Susceptibility (D004198)
Mass Screening (D008403)
Colitis (D003092)
Dextran Sulfate (D016264)
Inflammatory Bowel Diseases (D015212)
Knowledge (D019359)
large intestine (MA:0000333)
intestine (MA:0000328)

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