期刊
INTERNATIONAL JOURNAL OF NEUROSCIENCE
卷 131, 期 5, 页码 482-488出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00207454.2020.1746308
关键词
Hypoxia; mTORC1; mTORC2; HIF-1; BDNF; cognitive impairment
资金
- Short-term grant of Universiti Sains Malaysia [304/PPSP/61313086]
mTOR plays a crucial role in hypoxia-induced cognitive impairment, providing neuroprotection during mild or acute hypoxia exposure and potentially leading to neuronal cell death during severe or chronic hypoxia. Keeping mTORC1 activity normal could be explored as a potential strategy to prevent cognitive impairment in severe or chronic hypoxia.
Hypoxia has been associated with cognitive impairment. Many studies have investigated the role of mTOR signalling pathway in cognitive functions but its role in hypoxia-induced cognitive impairment remains controversial. This review aimed to elucidate the role of mTOR in the mechanisms of cognitive impairment that may pave the way towards the mechanistic understanding and therapeutic intervention of hypoxia-induced cognitive impairment. mTORC1 is normally regulated during mild or acute hypoxic exposure giving rise to neuroprotection, whereas it is overactivated during severe or chronic hypoxia giving rise to neuronal cells death. Thus, it is worth exploring the possibility of maintaining normal mTORC1 activity and thereby preventing cognitive impairment during severe or chronic hypoxia.
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