GeneSet Information

Tier II GS135320 • accelerator of polyoma-induced mammary tumors 1 (Apmt1, Published QTL Chr 15)

DESCRIPTION:

QTL associated with accelerator of polyoma-induced mammary tumors 1. This interval was obtained by using a fixed interval width of 25 Mbp around the peak marker (56068554)

LABEL:

QTL-Apmt1-Mouse-Chr 15

SCORE TYPE:

Binary

DATE ADDED:

2012-04-02

DATE UPDATED:

2020-05-06

SPECIES:

AUTHORS:

Cozma D, Lukes L, Rouse J, Qiu TH, Liu ET, Hunter KW

TITLE:

A bioinformatics-based strategy identifies c-Myc and Cdc25A as candidates for the Apmt mammary tumor latency modifiers.

JOURNAL:

Genome research Jun 2002, Vol 12, pp. 969-75

ABSTRACT:

The epistatically interacting modifier loci (Apmt1 and Apmt2) accelerate the polyoma Middle-T (PyVT)-induced mammary tumor. To identify potential candidate genes loci, a combined bioinformatics and genomics strategy was used. On the basis of the assumption that the loci were functioning in the same or intersecting pathways, a search of the literature databases was performed to identify molecular pathways containing genes from both candidate intervals. Among the genes identified by this method were the cell cycle-associated genes Cdc25A and c-Myc, both of which have been implicated in breast cancer. Genomic sequencing revealed noncoding polymorphism in both genes, in the promoter region of Cdc25A, and in the 3\' UTR of c-Myc. Molecular and in vitro analysis showed that the polymorphisms were functionally significant. In vivo analysis was performed by generating compound PyVT/Myc double-transgenic animals to mimic the hypothetical model, and was found to recapitulate the age-of-onset phenotype. These data suggest that c-Myc and Cdc25A are Apmt1 and Apmt2, and suggest that, at least in certain instances, bioinformatics can be utilized to bypass congenic construction and subsequent mapping in conventional QTL studies. PUBMED: 12045150
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Annotation Information



Animals (D000818)
Promoter Regions, Genetic (D011401)
Neoplasms (D009369)
Literature (D008091)
Computational Biology (D019295)
Breast Neoplasms (D001943)
Polymorphism, Genetic (D011110)
In Vitro (D007176)
Genomics (D023281)

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