ArticleMammalian genome : official journal of the International Mammalian Genome Society
Genetic basis of sex-specific resistance to neuro-oncogenesis in (BDIX x BDIV) F(2) rats.
Article in Mammalian genome : official journal of the International Mammalian Genome Society. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper, 1 of them a synthesis that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed, 1 synthesis or guideline pooled it, 6 citations in OpenAlex.
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4 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The identification of cancer susceptibility- and resistance-mediating genes is an essential prerequisite for prevention and early diagnosis of malignant tumors. Model organisms are helpful to identify variant alleles involved in pathways affecting individual cancer risk. BDIX and BDIV rats of both sexes are highly susceptible and resistant, respectively, to the development of N-ethyl-N-nitrosourea (ENU)-induced malignant peripheral nerve sheath tumors (MPNST), predominantly in the trigeminal nerves. Nevertheless, female (BDIV x BDIX) F(2) intercross rats have a lower MPNST incidence and a longer latency time than males. Six of seven autosomal gene loci (Mss1-Mss7) controlling genetic susceptibility and resistance in (BDIV x BDIX) F(2) hybrids exert allele- and sex-specific effects on tumor incidence and/or latency time of variable strength. Homozygous BDIV alleles at Mss4 or Mss7 located on rat chromosomes 6 and 10, respectively, are sufficient to cause almost complete resistance to ENU-induced MPNST development in female F(2) rats regardless of the genotype of the other locus. Both loci display only weak effects on male cancer risk. Survival curves of ENU-treated F(2) females depleted of animals with homozygous BDIV alleles at Mss4 and Mss7 are not significantly different from those of males, suggesting that these loci account mainly for the excess tumor resistance observed in female F(2) rats. By haplotype analysis Mss4 and Mss7 could be narrowed down to 20 and 12 Mb, respectively, providing a basis for the positional identification of candidate genes.
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