Collagen Type 1 Accelerates Healing of Ruptured Fetal Membranes.

Collagen Type 1 Accelerates Healing of Ruptured Fetal Membranes.
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胶原蛋白 1 型可加速胎膜破裂的愈合

DOI:
10.1038/s41598-017-18787-9
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发表时间:
2018-01-12
期刊:
影响因子:
4.6
通讯作者:
Word RA
Word RA
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Mogami H;Kishore AH;Word RA

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早产胎膜早破(premature premature rupture of membranes,pPROM)是早产的主要原因之一。最近,细胞外基质定向治疗被应用于伤口愈合。在这里,我们使用妊娠小鼠模型来测试1型胶原蛋白凝胶对过早破裂的胎膜愈合的功效。虽然将PBS注射到破裂的胎膜中导致40%的闭合,但注射1型胶原蛋白在72小时内将闭合率提高到90%。M2伤口愈合表型的巨噬细胞被截留在胶原蛋白层中。在原代人羊膜间充质细胞中,1型胶原凝胶激活胶原受体盘状结构域受体2(DDR2),诱导肌球蛋白轻链磷酸化和受损羊膜间充质细胞的迁移。这些发现定义了基质导向治疗pPROM的机制。
Preterm premature rupture of membranes (pPROM) is a major cause of preterm birth. Recently, extracellular matrix-directed treatment is applied for wound healing. Here, we used a pregnant mouse model to test the efficacy of collagen type 1 gel for healing of the prematurely ruptured fetal membranes. Although injection of PBS into the ruptured fetal membranes resulted in 40% closure, injection of collagen type 1 improved closure rates to 90% within 72 h. Macrophages of the M2 wound healing phenotype were entrapped in the collagen layer. In primary human amnion mesenchymal cells, collagen type 1 gels activated collagen receptor discoidin domain receptor 2 (DDR2) to induce myosin light chain phosphorylation and migration of injured amnion mesenchymal cells. These findings define the mechanisms for matrix-directed therapeutics for pPROM.
DOI: 10.1074/jbc.m201078200
发表时间: 2002-05-24
影响因子: 4.8
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