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Am J Obstet Gynecol. 2004 Jan;190(1):87-92.

In vitro lesion repair by human amnion epithelial and mesenchymal cells.

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  • 1Department of Obstetrics, Unit of Perinatal Physiology, Zurich University Hospital, Switzerland.

Abstract

OBJECTIVE:

The purpose of this study was to compare wound healing by human amnion epithelial and mesenchymal cells from preterm and term placenta with the use of an in vitro lesion repair assay.

STUDY DESIGN:

Lesions were created in confluent monolayers of amnion epithelial and mesenchymal cells from preterm and term placentas. The repair was monitored by the measurement of the lesion area and the response to potential stimulants (platelet-derived growth factor, tumor necrosis factor-alpha, fibrinogen, and phorbol myristate acetate). Cell proliferation was detected with 5-bromodeoxyuridine staining.

RESULTS:

Lesion repair was complete within 40 hours in control epithelial cultures from preterm and term placenta but incomplete in mesenchymal cultures (preterm cells, 80%; term cells, 40%). Platelet-derived growth factor, tumor necrosis factor-alpha, fibrinogen, and phorbol myristate acetate did not accelerate repair in either cell type.

CONCLUSION:

An in vitro lesion repair assay revealed the differences in lesion repair capacity between amnion epithelial and mesenchymal cells and between mesenchymal cells from preterm and term placenta.

PMID:
14749641
[PubMed - indexed for MEDLINE]
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