17β-estradiol mediated effects on pluripotency transcription factors and differentiation capacity in mesenchymal stem cells derived porcine from newborns as steroid hormones non-functional donors
2017
Won-Jae Lee | Ji-Sung Park | HyeonJeong Lee | Seung-Chan Lee | Jeong-Hyun Lee | Sun-A Ock | Gyu-Jin Rho | Sung-Lim Lee
The estrogen-mediated effect of mesenchymal stem cells (MSCs) is a highly critical factor for the clinical application of MSCs. However, the present study is conducted on MSCs derived from adult donors, which have different physiological status with steroid hormonal changes. Therefore, we explores the important role of 17β-estradiol (E2) in MSCs derived from female and male newborn piglets (NF- and NM-pBMSCs), which are non-sexually matured donors with steroid hormones. The results revealed that in vitro treatment of MSCs with E2 improved cell proliferation, but the rates varied according to the gender of the newborn donors. Following in vitro treatment of newborn MSCs with E2, mRNA levels of Oct3/4 and Sox2 increased in both genders of MSCs and they may be correlated with both estrogen receptor α (ERα) and ERβ in NF-pBMSCs, but NM-pBMSCs were only correlated with ERα. Moreover, E2-treated NF-pBMSCs decreased in β-galactosidase activity but no influence on NM-pBMSCs. In E2-mediated differentiation capacity, E2 induced an increase in the osteogenic and chondrogenic abilities of both pBMSCs, but adipogenic ability may increased only in NF-pBMSCs. These results demonstrate that E2 could affect both genders of newborn donor-derived MSCs, but the regulatory role of E2 varies depending on gender-dependent characteristics even though the original newborn donors had not been affected by functional steroid hormones.
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