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Effects of BIO on proliferation and chondrogenic differentiation of mouse marrow derived mesenchymal stem cells

By Nasrin Fallah and Mohamadreza Baghaban Eslami nejad


In vitroexpansion of mesenchymal stem cell (MSCs) into large number is necessary fortheir application in cell-based treatment of articular cartilage defects. On the other hand,some studies have indicated that BIO (6-Bromoindirubin-3-Oxime) possesses mitogeniceffects on cell culture. The objective of the present study was to examine the effect of BIO onin vitro expansion and chondrogenic differentiation of mouse marrow-derived MSCs. Theculture was established using bone marrow tissue obtained from 10 NMRI mice. MSC natureof the isolated cells was verified according to the minimal criteria proposed for MSC.Passaged-3 cells were seeded in 24-well culture plates and treated by 0.05, 0.01, 0.1, 1.0 and1.5 μM BIO forsevendays. The culture without BIO was taken as the control. At the end ofcultivation period, the cultures were examinedfor viable cell number which was then used tocalculate population doubling time (PDT). The BIO with higher proliferation-promoting effectwas investigated for its chondrogenic effect on MSC culture. There was significantly moreviable cells at the cultures treated by 0.1 μM BIO. At this culture the cells tended to doubletheir population in rapid rate (each 43.07 hr) than the cells treated with the other BIOconcentrations (p< 0.05). Interestingly treatment of MSC chondrogenic culture with 0.1 μMBIO ledto the up-regulation of cartilage specific genes including aggrecan, collagen II andSox9. In conclusion BIO at 0.1 μM could enhance mouse MSC in vitro proliferation as well astheir chondrogenic differentiation. These findings would be of great importance for the fieldof regenerative medicine

Topics: BIO, Cartilage differentiation, Mesenchymal stem cells, Mouse, Proliferation, Animal culture, SF1-1100, Agriculture, S, DOAJ:Animal Sciences, DOAJ:Agriculture and Food Sciences, Veterinary medicine, SF600-1100
Publisher: Urmia University
Year: 2013
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