期刊
EXPERIMENTAL NEUROLOGY
卷 367, 期 -, 页码 -出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.expneurol.2023.114450
关键词
Lactate; Neonatal hypoxic-ischemic encephalopathy; Hypoxia; Ischemia
Neonatal hypoxic-ischemic encephalopathy (HIE) is the leading cause of neonatal mortality and disability. Currently, hypothermia is the only approved treatment, but its therapeutic efficacy is limited. Therefore, there is a need to understand the molecular pathogenesis of HIE and develop novel therapies.
Neonatal hypoxic-ischemic encephalopathy (HIE) is the primary reason for neonatal mortality and prolonged disablement. Currently, hypothermia is the only approved clinical treatment available for HIE. However, hy-pothermia's limited therapeutic efficacy and adverse effects suggest an urgent need to advance our knowledge of its molecular pathogenesis and develop novel therapies. The leading cause of HIE is impaired cerebral blood flow and oxygen deprivation-initiated primary and secondary energy failure. Lactate was traditionally regarded as a marker of energy failure or a waste product of anaerobic glycolysis. Recently, the beneficial aspects of lactate as supplementary energy for neurons have been demonstrated. Under the conditions of HI, lactate supports various functions of neuronal cells, including learning and memory formation, motor coordination, and somatosensory. Furthermore, lactate contributes to the regeneration of blood vessels and has shown its beneficial effects on the immune system. This review first introduces the hypoxic or ischemic events-induced fundamental pathophysi-ological changes in HIE and then discusses the potential neuroprotective properties of lactate for the treatment and prevention of HIE. Finally, we discuss the possible protective mechanisms of lactate in the context of the pathological features of perinatal HIE. We conclude that exogenous and endogenous lactate exert neuro-protective effects in HIE. Lactate administration may be a potential approach to treating HIE injury.
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