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2017 ; 9
(389
): ä Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Inhibiting the oncogenic translation program is an effective therapeutic strategy
in multiple myeloma
#MMPMID28490664
Manier S
; Huynh D
; Shen YJ
; Zhou J
; Yusufzai T
; Salem KZ
; Ebright RY
; Shi J
; Park J
; Glavey SV
; Devine WG
; Liu CJ
; Leleu X
; Quesnel B
; Roche-Lestienne C
; Snyder JK
; Brown LE
; Gray N
; Bradner J
; Whitesell L
; Porco JA Jr
; Ghobrial IM
Sci Transl Med
2017[May]; 9
(389
): ä PMID28490664
show ga
Multiple myeloma (MM) is a frequently incurable hematological cancer in which
overactivity of MYC plays a central role, notably through up-regulation of
ribosome biogenesis and translation. To better understand the oncogenic program
driven by MYC and investigate its potential as a therapeutic target, we screened
a chemically diverse small-molecule library for anti-MM activity. The most potent
hits identified were rocaglate scaffold inhibitors of translation initiation.
Expression profiling of MM cells revealed reversion of the oncogenic MYC-driven
transcriptional program by CMLD010509, the most promising rocaglate.
Proteome-wide reversion correlated with selective depletion of short-lived
proteins that are key to MM growth and survival, most notably MYC, MDM2, CCND1,
MAF, and MCL-1. The efficacy of CMLD010509 in mouse models of MM confirmed the
therapeutic relevance of these findings in vivo and supports the feasibility of
targeting the oncogenic MYC-driven translation program in MM with rocaglates.