The Contractile Phenotype of Dermal Fetal Fibroblasts in Scarless Wound Healing.

The Contractile Phenotype of Dermal Fetal Fibroblasts in Scarless Wound Healing.
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DOI:
10.1007/s40139-017-0149-3
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发表时间:
2017-09
影响因子:
--
通讯作者:
Hebda PA
Hebda PA
中科院分区:
其他
文献类型:
--
作者:
Parekh A;Hebda PA

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由于胎儿成纤维细胞能够有效地重组细胞外基质(ECM),哺乳动物胎儿损伤的皮肤能够再生愈合。在这个过程中,胎儿成纤维细胞不会分化成高度收缩的肌成纤维细胞,后者会导致成人伤口的瘢痕和纤维化。在这里,我们提供胎儿伤口愈合的简要回顾和证据支持胎儿成纤维细胞独特的收缩表型。此外,我们讨论了ECM在伤口愈合中驱动肌成纤维细胞分化的生物力学作用,以及基于胎儿成纤维细胞生物物理特性的新临床模式的意义。我们和其他人已经发现,胎儿成纤维细胞对成人伤口愈合中肌成纤维细胞分化所必需的环境刺激(包括机械应力)是不耐受的。了解调节胎儿成纤维细胞收缩表型的生物力学机制,可能为针对成人成纤维细胞的肌成纤维细胞分化的抗疤痕治疗开辟新的途径。
Injured skin in the mammalian fetus can heal regeneratively due to the ability of fetal fibroblasts to effectively reorganize the extracellular matrix (ECM). This process occurs without fetal fibroblasts differentiating into highly contractile myofibroblasts which cause scarring and fibrosis in adult wounds. Here, we provide a brief review of fetal wound healing and the evidence supporting a unique contractile phenotype in fetal fibroblasts. Furthermore, we discuss the biomechanical role of the ECM in driving myofibroblast differentiation in wound healing and the implications for new clinical modalities based on the biophysical properties of fetal fibroblasts. We and others have found that fetal fibroblasts are refractory to the environmental stimuli necessary for myofibroblast differentiation in adult wound healing including mechanical stress. Understanding the biomechanical mechanisms that regulate the contractile phenotype of fetal fibroblasts may unlock new avenues for anti-scarring therapies that target myofibroblast differentiation of adult fibroblasts.
DOI: 10.1016/0022-3468(71)90373-3
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