Why succinate? Physiological regulation by a mitochondrial coenzyme Q sentinel.
Why succinate? Physiological regulation by a mitochondrial coenzyme Q sentinel.
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DOI:
10.1038/s41589-022-01004-8
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发表时间:
2022-05
影响因子:
14.8
通讯作者:
Chouchani, Edward T.
中科院分区:
文献类型:
--
作者:
Murphy, Michael P.;Chouchani, Edward T.
Metabolites once considered solely in catabolism or anabolism turn out to have key regulatory functions. Among these, the citric acid cycle intermediate succinate stands out due to its multiple roles in disparate pathways, the dramatic concentration changes and its selective cell release. Here we propose that succinate has evolved as a signaling modality because its concentration reflects the coenzyme Q (CoQ) pool redox state, a central redox couple confined to the mitochondrial inner membrane. This connection is of general importance because CoQ redox state integrates three bioenergetic parameters: mitochondrial electron supply, oxygen tension and ATP demand. Succinate, by equilibrating with the CoQ pool, enables the status of this central bioenergetic parameter to be communicated from mitochondria to the rest of the cell, into the circulation and to other cells. The logic of this form of regulation explains many emerging roles of succinate in biology, and suggests future research questions.
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通讯作者:
Elmér E
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64.8
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Chouchani ET;Kazak L;Jedrychowski MP;Lu GZ;Erickson BK;Szpyt J;Pierce KA;Laznik-Bogoslavski D;Vetrivelan R;Clish CB;Robinson AJ;Gygi SP;Spiegelman BM
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64.8
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Chouchani, Edward T.;Pell, Victoria R.;Gaude, Edoardo;Aksentijevic, Dunja;Sundier, Stephanie Y.;Robb, Ellen L.;Logan, Angela;Nadtochiy, Sergiy M.;Ord, Emily N. J.;Smith, Anthony C.;Eyassu, Filmon;Shirley, Rachel;Hu, Chou-Hui;Dare, Anna J.;James, Andrew M.;Rogatti, Sebastian;Hartley, Richard C.;Eaton, Simon;Costa, Ana S. H.;Brookes, Paul S.;Davidson, Sean M.;Duchen, Michael R.;Saeb-Parsy, Kourosh;Shattock, Michael J.;Robinson, Alan J.;Work, Lorraine M.;Frezza, Christian;Krieg, Thomas;Murphy, Michael P.
通讯作者:
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通讯作者:
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3.9
作者:
CINO, M;DELMAESTRO, RF
通讯作者:
DELMAESTRO, RF