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为什么新生儿能够修复心脏,巨噬细胞是关键
西北大学费恩伯格医学院领导的一项新研究表明,巨噬细胞在新生儿和成年人的心脏修复过程中存在关键差异。这项研究阐明了与年龄相关的再生机制。 患有心脏并发症的新生儿可以依靠他们的免疫系统来再生心脏组织,但成年人就没那么幸运了。心脏病发作后,大多数成年人很难再生出健康的心脏组织,导致疤痕组织堆积,并常常引发心力衰竭。
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