Transcriptomics

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Phosphoethanolamine Accumulation Protects Cancer Cells under Glutamine Starvation through Downregulation of PCYT2


ABSTRACT: The conditions of the tumor microenvironment, such as nutrient starvation, play critical roles in cancer progression. However, the role of glutamine deprivation in cancer progression is not studied as extensively as that of hypoxia. Here, we show that glutamine starvation triggered down-regulation of PCYT2 by stimulating accumulation of PEtn. Interestingly, glutamine upregulated series of glutamine-responsive genes, not only PCYT2. Furthermore, glutamine-responsive genes were associated with overall survival of cancer patients. Thus, our findings show that glutamine responsive genes such as PCYT2 are key for progression of cancer cells, partly protecting cancer cells to glutamine starvation.

ORGANISM(S): Homo sapiens

PROVIDER: GSE136289 | GEO | 2019/08/24

REPOSITORIES: GEO

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