Isolation and characterization of trophoblasts from enzymatic explants of human term placenta

Kolokoltsova, T.D.; Saburina, I.N.; Zurina, I.M.; Gorkun, A.A.; Kosheleva, N.V.; Repin, V.S.; Poltavtseva, R.A.; Sukhikh, G.T.

Авторы: Kolokoltsova T.D., Saburina I.N., Zurina I.M., Gorkun A.A., Kosheleva N.V., Repin V.S., Poltavtseva R.A., Sukhikh G.T.
Журнал: HUMAN CELL
Год издания: 2017
Первая страница: 1
Последняя страница: 9
DOI: 10.1007/s13577-017-0174-x
Аннотация: In the present study, we describe a new method of isolation and culture of human villous and extravillous trophoblasts from term placenta. The cultivation of trypsinized placental villous tissue explants, followed by the isolation of cells from outgrowth islets allows for obtaining a cytotrophoblast subpopulation that is free from contamination by other cell types. Compared to other methods, our protocol is mild, simple and effective, does not request costly reagents and provides isolation of the mononuclear cytotrophoblast cell populations free from contamination by other types of placental cells. The isolated cells proliferated and formed a pleomorphic monolayer, where cells fused into a small number of binuclear or polynuclear syncytiotrophoblasts. Isolated cytotrophoblast cells expressed the specific epithelial intermediate filament cytokeratin 7 (CK7), the epithelium-specific cell–cell adhesion molecule E-cadherin and were CD9-, CD45- and vimentin-negative. Cyto- and syncytiotrophoblasts obtained by this method can be used as a model or tool for the fundamental research of differentiation and function of human placental cells, and can provide a new understanding of drug distribution in placenta. Their combination with other in vitro cell models can be useful for studying a variety of other aspects concerning placental functions, which will provide new knowledge for understanding immunology, endocrinology and development of placenta.
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