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2017 ; 8
(32
): 53819-53828
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Succinate: An initiator in tumorigenesis and progression
#MMPMID28881853
Zhao T
; Mu X
; You Q
Oncotarget
2017[Aug]; 8
(32
): 53819-53828
PMID28881853
show ga
As an intermediate metabolite of the tricarboxylic acid cycle in mitochondria,
succinate is widely investigated for its role in metabolism. In recent years, an
increasing number of studies have concentrated on the unanticipated role of
succinate outside metabolism, acting as, for instance, an inflammatory signal or
a carcinogenic initiator. Actually, succinate dehydrogenase gene mutations and
abnormal succinate accumulation have been observed in a battery of hereditary and
sporadic malignancies. In this review, we discuss the unexpected role of
succinate and possible mechanisms that may contribute to its accumulation.
Additionally, we describe how the high concentration of succinate in the tumor
microenvironment acts as an active participant in tumorigenesis, rather than a
passive bystander or innocent victim. Focusing on mechanism-based research, we
summarize some targeted therapies which have been applied to the clinic or are
currently under development. Furthermore, we posit that investigational drugs
with different molecular targets may expand our horizon in anticancer therapy.