Revisiting the TCA cycle: signaling to tumor formation.
Revisiting the TCA cycle: signaling to tumor formation.
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DOI:
10.1016/j.molmed.2011.06.001
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发表时间:
2011-11
影响因子:
13.6
通讯作者:
Shadel GS
中科院分区:
文献类型:
--
作者:
Raimundo N;Baysal BE;Shadel GS
A role for mitochondria in tumor formation is suggested by mutations in enzymes of the TCA cycle: isocitrate dehydrogenase (IDH), succinate dehydrogenase (SDH) and fumarate hydratase (FH). Although they are all components of the TCA cycle, the resulting clinical presentations do not overlap. Activation of the hypoxia pathway can explain SDH phenotypes, but recent data suggest that FH and IDH mutations lead to tumor formation by repressing cellular differentiation. Here we discuss recent findings in the context of both mitochondrial and cytoplasmic components of the TCA cycle, and we propose that extra-metabolic roles of TCA cycle metabolites result in the reduced cellular differentiation. Furthermore, the activation of the pseudo-hypoxia pathway likely promotes the growth of these neoplasias into tumors.
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Baysal, Bora E.
通讯作者:
Baysal, Bora E.
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Melnick A
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Alam, NA;Rowan, AJ;Tomlinson, IPM
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Tomlinson, IPM
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通讯作者:
Kaelin, William G., Jr.