Molecular mechanisms involved in injury to the preterm brain.

Molecular mechanisms involved in injury to the preterm brain.
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DOI:
10.1177/0883073809337920
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发表时间:
2009-09
影响因子:
1.9
通讯作者:
Gressens P
Gressens P
中科院分区:
医学4区
文献类型:
--
作者:
Kaindl AM;Favrais G;Gressens P

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早产儿脑损伤是婴儿死亡率和发病率的一个主要因素,往往导致智力迟钝和感觉运动障碍。疾病过程被认为是由多个围产期因素引起的,持续的和加重的,这些因素以多打击的方式组合在一起。临床、流行病学和实验研究表明,炎症、兴奋性毒性和氧化应激等关键因素对早产儿的白色和灰质损伤有相当大的影响,早产儿的大脑特别容易受到损伤。根据时机的不同,未成熟大脑的损伤可能会影响发育事件的自然顺序,并重新定向随后的发育。本文综述了早产儿脑损伤的分子机制。
Injury to the premature brain is a major contributor to infant mortality and morbidity, often leading to mental retardation and sensory-motor impairment. The disease process is believed to be caused, sustained, and aggravated by multiple perinatal factors that team up in a multi-hit fashion. Clinical, epidemiological, and experimental studies have revealed that key factors such as inflammation, excitotoxicity, and oxidative stress contribute considerably to white and grey matter injury in premature infants, whose brains are particularly susceptible to damage. Depending on the timing, lesions of the immature brain may influence developmental events in their natural sequence and redirect subsequent development. We review current concepts on molecular mechanisms underlying injury to the premature brain.
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