Difference between revisions of "Teh 2019 Mol Cancer Ther"
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Latest revision as of 04:25, 12 February 2020
Teh JT, Zhu WL, Newgard CB, Casey PJ, Wang M (2019) Respiratory capacity and reserve predict cell sensitivity to mitochondria inhibitors: mechanism-based markers to identify metformin-responsive cancers. Mol Cancer Ther 18:693-705. |
Teh JT, Zhu WL, Newgard CB, Casey PJ, Wang M (2019) Mol Cancer Ther
Abstract: Metformin has been extensively studied for its impact on cancer cell metabolism and anticancer potential. Despite evidence of significant reduction in cancer occurrence in diabetic patients taking metformin, phase II cancer trials of the agent have been disappointing, quite possibly because of the lack of molecular mechanism-based patient stratification. In an effort to identify cancers that are responsive to metformin, we discovered that mitochondria respiratory capacity and respiratory reserve, which vary widely among cancer cells, correlate strongly to metformin sensitivity in both the in vitro and in vivo settings. A causal relationship between respiratory function and metformin sensitivity is demonstrated in studies in which we lowered respiratory capacity by either genetic knockdown or pharmacologic suppression of electron transport chain components, rendering cancer cells more vulnerable to metformin. These findings led us to predict, and experimentally validate, that metformin and AMP kinase inhibition synergistically suppress cancer cell proliferation.
Β©2019 American Association for Cancer Research.
β’ Bioblast editor: Plangger M
Labels: MiParea: Respiration, Pharmacology;toxicology
Pathology: Cancer
Organism: Human, Mouse Tissue;cell: Other cell lines Preparation: Permeabilized cells, Permeabilized tissue, Intact cells
Coupling state: LEAK, ROUTINE, OXPHOS, ET
Pathway: N, S, DQ, ROX
HRR: Oxygraph-2k
Labels, 2019-03, Metformin