Acta NaturaeActa NaturaeActa Naturae2075-8251Acta Naturae Ltd1082510.32607/20758251-2009-1-2-98-103ArticlesСтатьиResearch ArticleCell Phenotypes in human Amniotic FluidCell Phenotypes in human Amniotic FluidDavydovaD Adavydovad@gmail.comVorotelyakE ASmirnovaYu AZinovievaR DRomanovYu AKabaevaN VTerskikhV VVasilievA VKoltzov Institute of Developmental Biology, Russian Academy of SciencesRussian Cardiology Research-and-Production Complex1509200912NO2 (2009)№2 (2009)9810317012020Copyright ©; 2009, Davydova D.A., Vorotelyak E.A., Smirnova Y.A., Zinovieva R.D., Romanov Y.A., Kabaeva N.V., Terskikh V.V., Vasiliev A.V.Copyright ©; 2009, Davydova D.A., Vorotelyak E.A., Smirnova Y.A., Zinovieva R.D., Romanov Y.A., Kabaeva N.V., Terskikh V.V., Vasiliev A.V.2009Davydova D.A., Vorotelyak E.A., Smirnova Y.A., Zinovieva R.D., Romanov Y.A., Kabaeva N.V., Terskikh V.V., Vasiliev A.V.Davydova D.A., Vorotelyak E.A., Smirnova Y.A., Zinovieva R.D., Romanov Y.A., Kabaeva N.V., Terskikh V.V., Vasiliev A.V.https://creativecommons.org/licenses/by/4.0https://actanaturae.ru/2075-8251/article/view/10825

Stem cells capable of long-term proliferation and differentiation into different cell types may be a promising source of cells for regenerative medicine. Recently, much attention has been paid to fetal stem cells, among which are cells from amniotic fluid (AF). We have isolated amniotic stem cells from 3 AF samples. Flow cytometry, RT -PCR and immunohistochemistry have shown that these cells express mesenchymal (CD90, CD73, CD105, CD13, CD29, CD44, and CD146), neural (β 3-tubulin, Nestin, and Pax6), epithelial (keratin 19 and p63) markers and also markers of pluripotency ( Oct4, Nanog, and Rex-1). Transplantation of the cells to nude mice does not lead to tumor formation. Thus, putative stem/progenitor cells from AF are capable of long-term proliferation in vitro and the profile of gene expression led us to speculate that they have greater differentiation potential than mesenchymal stem cells and may be useful for cell therapy.

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