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RNA sequencing reveals differential expression of mitochondrial and oxidation reduction genes in the long-lived naked mole-rat when compared to mice.

ABSTRACT: The goal was to find genes which are differentially expressed between the naked mole-rat (Heterocephalus glaber) and the wild-type mice liver tissue. The genes which are most differentially expressed may provide a clue for the remarkable differences between naked mole-rat and mouse in terms of longevity, cancer resistance and adaptation to subterranean environments.

ORGANISM(S): Mus musculus Heterocephalus glaber

PROVIDER: GSE30764 | GEO | 2011/11/07

SECONDARY ACCESSION(S): PRJNA144103

REPOSITORIES: GEO

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RNA sequencing reveals differential expression of mitochondrial and oxidation reduction genes in the long-lived naked mole-rat when compared to mice.

Project description:The goal was to find genes which are differentially expressed between the naked mole-rat (Heterocephalus glaber) and the wild-type mice liver tissue. The genes which are most differentially expressed may provide a clue for the remarkable differences between naked mole-rat and mouse in terms of longevity, cancer resistance and adaptation to subterranean environments. Analysis of 2 mRNA samples, one pooled from 3 wild-type mice liver tissue and another pooled from 3 naked mole-rat liver tissue.

2011-11-07 | E-GEOD-30764 | biostudies-arrayexpress

Transcriptomes of subterranean mammals reveal that naked mole rats have distinctive cardiometabolic and genetic adaptations to their underground low-oxygen lifestyles

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Project description:The naked mole-rat (NMR), Heterocephalus glaber, is a mouse-sized subterranean rodent native to East Africa. Research on NMRs is intensifying in an effort to gain leverage from their unusual physiology, long-life span and cancer resistance for the development of new theraputics. Few studies have attempted to explain the reasons behind the NMR’s cancer resistance, but most prominently Tian et al. reported that NMR cells produce high-molecular weight hyaluronan as a potential cause for the NMR’s cancer resistance. Tian et al. have shown that NMR cells are resistant to transformation by SV40 Large T Antigen (SV40LT) and oncogenic HRAS (HRASG12V), a combination of oncogenes sufficient to transform mouse and rat fibroblasts. We have developed a number of lentiviral vectors to deliver both these oncogenes and generated 106 different cell lines from five different tissues and eleven different NMRs, and report here that contrary to Tian et al.’s observation, NMR cells are susceptible to oncogenic transformation by SV40LT and HRASG12V. Our data thus point to a non-cell autonomous mechanism underlying the remarkable cancer resistance of NMRs. Identifying these non-cell autonomous mechanisms could have significant implications on our understanding of human cancer development.

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Transcriptome sequencing of naked mole rat, Heterocephalus glaber

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Transcriptome sequencing of naked mole rat, Heterocephalus glaber

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