Metabolomics

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MetaboLights MTBLS1129 - GNPS Sex-Differences in Colon Cancer Metabolism Reveal A Novel Subphenotype


ABSTRACT:

Women have a lower incidence of colorectal cancer (CRC) than men, however, they have a higher prevalence of right-sided colon cancer (RCC). This is of concern as patients with RCC have the poorest clinical outcomes amongst CRC patients. Aberrant metabolism is a feature of CRC, but it is not known if sex-differences exist. Metabolomics of patient colon tissues (n=236) revealed widespread sex-differences in metabolism depending on tumor location and stage. Tumors from women with RCC were nutrient-deplete, showing enhanced energy production towards asparagine synthesis, and an increase in amino acid uptake. Gene expression data revealed an association between high asparagine synthase expression and poorer overall survival in women with CRC. This is the first study to show sex-differences in tumor tissue metabolism for CRC patients revealing a nutrient-deplete subtype in women with RCC. The results therefore have implications for tumor progression and therapeutic response in women with RCC.


Linked Studies:

UPLC-MS HILIC POS assay is reported in MTBLS1122

UPLC-MS HILIC NEG assay is reported in MTBLS1124

UPLC-MS RP POS assay is reported in MTBLS1129

UPLC-MS RP NEG assay is reported in MTBLS1130

INSTRUMENT(S): Xevo G2-S QTof|1002276

ORGANISM(S): Homo Sapiens|9606

SUBMITTER: Yuping Cai  

PROVIDER: MSV000085884 | GNPS | Sat Aug 01 14:42:00 BST 2020

REPOSITORIES: GNPS

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