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2017 ; 18
(2
): 468-481
Nephropedia Template TP
gab.com Text
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English Wikipedia
The Anti-Warburg Effect Elicited by the cAMP-PGC1? Pathway Drives Differentiation
of Glioblastoma Cells into Astrocytes
#MMPMID28076790
Xing F
; Luan Y
; Cai J
; Wu S
; Mai J
; Gu J
; Zhang H
; Li K
; Lin Y
; Xiao X
; Liang J
; Li Y
; Chen W
; Tan Y
; Sheng L
; Lu B
; Lu W
; Gao M
; Qiu P
; Su X
; Yin W
; Hu J
; Chen Z
; Sai K
; Wang J
; Chen F
; Chen Y
; Zhu S
; Liu D
; Cheng S
; Xie Z
; Zhu W
; Yan G
Cell Rep
2017[Jan]; 18
(2
): 468-481
PMID28076790
show ga
Glioblastoma multiforme (GBM) is among the most aggressive of human cancers.
Although differentiation therapy has been proposed as a potential approach to
treat GBM, the mechanisms of induced differentiation remain poorly defined. Here,
we established an induced differentiation model of GBM using cAMP activators that
specifically directed GBM differentiation into astroglia. Transcriptomic and
proteomic analyses revealed that oxidative phosphorylation and mitochondrial
biogenesis are involved in induced differentiation of GBM. Dibutyryl cyclic AMP
(dbcAMP) reverses the Warburg effect, as evidenced by increased oxygen
consumption and reduced lactate production. Mitochondrial biogenesis induced by
activation of the CREB-PGC1? pathway triggers metabolic shift and
differentiation. Blocking mitochondrial biogenesis using mdivi1 or by silencing
PGC1? abrogates differentiation; conversely, overexpression of PGC1? elicits
differentiation. In GBM xenograft models and patient-derived GBM samples, cAMP
activators also induce tumor growth inhibition and differentiation. Our data show
that mitochondrial biogenesis and metabolic switch to oxidative phosphorylation
drive the differentiation of tumor cells.