DESCRIPTION:

QTL associated with radiation-induced apoptosis 5. This interval was obtained by using a fixed interval width of 25 Mbp around the peak marker (50972844)

LABEL:

QTL-Rapop5-Mouse-Chr 15

SCORE TYPE:

Binary

DATE ADDED:

2012-04-02

DATE UPDATED:

2024-04-25

SPECIES:

URI:

http://www.informatics.jax.org/searches/accession_report.cgi?id=MGI:1890917

AUTHORS:

Weil MM, Xia C, Xia X, Gu X, Amos CI, Mason KA

TITLE:

A chromosome 15 quantitative trait locus controls levels of radiation-induced jejunal crypt cell apoptosis in mice.

JOURNAL:

Genomics Feb 2001, Vol 72, pp. 73-7

ABSTRACT:

Jejunal crypt cells undergo apoptosis in response to ionizing radiation exposure. In mice the number of cells deleted by apoptosis is determined by several factors including the dose of radiation, the time of day the apoptosis level is quantified, and the strain of mouse irradiated. We previously found that the difference in radiation-induced apoptosis levels between C57BL/6J (B6) and C3Hf/Kam (C3H) mice is controlled by multiple genes, and this set of genes is distinct from that controlling thymocyte apoptosis levels in the same strain combination. Here, we report that a new quantitative trait locus on chromosome 15, Rapop5, partly accounts for the murine strain difference in susceptibility to radiation-induced jejunal crypt cell apoptosis. In addition, we show sexual dimorphism in the extent of radiation-induced jejunal crypt cell apoptosis, with female mice having higher levels. PUBMED: 11247668
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