Abstract
Umbilical cord mesenchymal stem cells (UC-MSCs) are an important cell source for regenerative medicine. UC-MSCs can be isolated from the umbilical cord Wharton's jelly, as well as from the umbilical arteries and umbilical vein. They are known as perivascular stem cells obtained from umbilical arteries (UCA-PSCs), perivascular stem cells obtained from the umbilical vein (UCV-PSCs), and mesenchymal stem cells obtained from Wharton's jelly (WJ-MSCs). UCA-PSCs and UCV-PSCs are pericytes derived from perivascular regions that are progenitors of MSCs. Isolation and culture of the three kinds of cells is an important source for studying stem cell transplantation and repair. The present protocol focuses on the isolation and culture of cells through mechanical separation, adherent culture, and cell crawling out. Through this technique, the three different types of stem cells can be derived. Cell surface markers were detected by flow cytometry. The stem cells were detected for multilineage differentiation potential by adipogenic, osteogenic, and neural-like differentiation, which is consistent with the phenotype of MSCs. This experimental protocol expands the source of UC-MSCs. In addition, the cell isolation method provides a basis for further study of regenerative medicine and other applications.
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