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Abstract Title:

Postischemic supplementation of folic acid improves neuronal survival and regeneration in vitro.

Abstract Source:

Nutr Res. 2019 Dec 23 ;75:1-14. Epub 2019 Dec 23. PMID: 31955011

Abstract Author(s):

Charles K Davis, Rajanikant Gk

Article Affiliation:

Charles K Davis

Abstract:

Supplementation of folic acid (FA) is beneficial to several neurological diseases because it promotes notch signaling and neurogenesis and reduces blood homocysteine levels. We hypothesized that postischemic supplementation of FA is beneficial for neuronal survival and regeneration. The objective of the present study was to determine the postischemic neuroprotective and neuroregenerative efficacy of FA supplementation and its effects on various cellular processes in vitro. This work benefited from the use of FA and glucose-free media to better assess the ischemic neuroprotection provided by FA supplementation. The postischemic supplementation of FA significantly improved cell viability, and the improvement was primarily by obstructing the oxygen-glucose deprivation (OGD)-activated apoptosis. Furthermore, postischemic treatment with FA significantly reduced the mitochondrial membrane depolarization and the formation of acidic organelles triggered by OGD. Moreover, FA's effect on neuroregeneration following OGD was evaluated by measuring the cell proliferation and neurite outgrowth length. Treatment with FA enhanced cell proliferation and neurite outgrowth significantly. Thus, these results revealed some of the mechanisms by which FA supplementation provided neuroprotection and neuroregeneration following ischemic injury and highlighted the need for further research into the potential of folic acid as a clinical drug for ischemic stroke.

Study Type : In Vitro Study

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