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2017 ; 8
(34
): 57733-57754
Nephropedia Template TP
gab.com Text
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Twit Text #
English Wikipedia
Targeting metabolism and AMP-activated kinase with metformin to sensitize
non-small cell lung cancer (NSCLC) to cytotoxic therapy: translational biology
and rationale for current clinical trials
#MMPMID28915708
Troncone M
; Cargnelli SM
; Villani LA
; Isfahanian N
; Broadfield LA
; Zychla L
; Wright J
; Pond G
; Steinberg GR
; Tsakiridis T
Oncotarget
2017[Aug]; 8
(34
): 57733-57754
PMID28915708
show ga
Lung cancer is the most fatal malignancy worldwide, in part, due to high
resistance to cytotoxic therapy. There is need for effective
chemo-radio-sensitizers in lung cancer. In recent years, we began to understand
the modulation of metabolism in cancer and its importance in tumor progression
and survival after cytotoxic therapy. The activity of biosynthetic pathways,
driven by the Growth Factor Receptor/Ras/PI3k/Akt/mTOR pathway, is balanced by
the energy stress sensor pathway of LKB1/AMPK/p53. AMPK responds both to
metabolic and genotoxic stress. Metformin, a well-tolerated anti-diabetic agent,
which blocks mitochondria oxidative phosphorylation complex I, became the poster
child agent to elicit AMPK activity and tumor suppression. Metformin sensitizes
NSCLC models to chemotherapy and radiation. Here, we discuss the rationale for
targeting metabolism, the evidence supporting metformin as an anti-tumor agent
and adjunct to cytotoxic therapy in NSCLC and we review retrospective evidence
and on-going clinical trials addressing this concept.