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Placenta-derived mesenchymal stem cells (Jinan university)

Cells were isolated from human placentas and cultured in adherent cultures. Cells express mesenchymal stem cell markers, such as CD44, CD105, CD29, and CD106. Cells do not express CD34 and CD45. In addition, they possess an adipogenic, chondrogenic, and osteogenic differentiation potential. 

The placentas of clinically normal pregnancies were excised and washed to remove excess blood. The internal area from the fetal side of central placenta lobules was minced, digested and trypsinized, and then prepared as both single-cell suspensions and as small digested residues. The resulting cells were cultured in low-glucose DMEM supplemented with  fetal bovine serum (FBS; 15%), penicillin (100 U/ml), and streptomycin (100 μg/ml). After 5 days in culture, the small cell residues were removed and the cells were cultured for 4-5 weeks until the fibroblast-like cell colonies were 50% confluent. Then, they were digested and cultured in a new tissue culture plate in the same medium, supplemented with 10% filtered supernatant from the previous passage.  The cells were analysed after five passages.

See additional Stem, Progenitor & Primary Cells for: Mesenchymal Stem Cells , Placenta
Adult Stem / Progenitor Cell
Homo sapiens
Placenta-derived mesenchymal stem cells