Title : Proline modulates the intracellular redox environment and protects mammalian cells against oxidative stress.

Pub. Date : 2008 Feb 15

PMID : 18036351






3 Functional Relationships(s)
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1 In contrast, overexpression of the proline biosynthetic enzymes Delta(1)-pyrroline-5-carboxylate (P5C) synthetase (P5CS) and P5C reductase (P5CR) resulted in 2-fold higher proline content, significantly lower ROS levels, and increased cell survival relative to control cells. Proline aldehyde dehydrogenase 18 family member A1 Homo sapiens
2 In contrast, overexpression of the proline biosynthetic enzymes Delta(1)-pyrroline-5-carboxylate (P5C) synthetase (P5CS) and P5C reductase (P5CR) resulted in 2-fold higher proline content, significantly lower ROS levels, and increased cell survival relative to control cells. Proline aldehyde dehydrogenase 18 family member A1 Homo sapiens
3 In different mammalian cell lines exposed to physiological H(2)O(2) levels, increased endogenous P5CS and P5CR expression was observed, indicating that upregulation of proline biosynthesis is an oxidative stress response. Proline aldehyde dehydrogenase 18 family member A1 Homo sapiens