Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:1.3.5.1 (succinate dehydrogenase)
 8,177 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A bioenergetic mechanism for development of urgent adaptation to hypoxia is considered. Hypoxia induces reprogramming of respiratory chain function and switching from oxidation of NAD-related substrates (complex I) to succinate oxidation (complex II). Transient, reversible, compensatory activation of respiratory chain complex II is a major mechanism of urgent adaptation to hypoxia necessary for 1) succinate- related energy synthesis in conditions of oxygen deficiency and formation of urgent resistance in the body; 2) succinate- related stabilization of HIF-1alpha and initiation of its transcriptional activity related with formation of urgent and long-term adaptation; 3) succinate- related activation of a succinate-specific receptor GPR91. Therefore succinate is a signaling molecule, and its effects are realized at three levels in hypoxia, intramitochondrial, intracellular and intercellular.
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PMID:[Mithochondria signaling in adaptation to hypoxia]. 2460 2


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