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- Title
Expression of Thy 1.2 surface antigen increases significantly during the murine mesenchymal stem cells cultivation period.
- Authors
Eslaminejad, Mohamadreza Baghaban; Nadri, Samad; Hosseini, Reza Hajji
- Abstract
This study sought to investigate the absence or expression of some surface antigens on murine mesenchymal stem cells (mMSCs) during the cultivation period of primary culture to passage 3 (equivalent to about 15 or 16 population doubling number). For this purpose, bone marrow cells from 6–8-week-old mice (either NMRI or Balb/c) were cultivated in 75-cm2 culture flask for three successive passages, in each of which the culture was examined for the expression of CD135, CD44, CD31, Thy1.2, CD11b, CD45, CD34, Vcam1, Sca-1, and c-Kit antigens, using flow cytometry. Passage-3 cells from each strain can easily be differentiated into bone and fat, which was indicative of their mesenchymal nature. Our results demonstrated that for each given antigen, the percentages of the cells expressing that antigen had been changed by subcultures. The statistical analysis showed that nearly all differences between the passages were statistically significant. In this term, the expressional changes of Thy 1.2 seemed to be very significant in such a way that the expression increased to about half of the whole population in passage 3. In conclusion, it seems that this antigen could be considered as an enriching antigen for mMSCs population from bone marrow adherent cell culture.
- Subjects
ANTIGENS; IMMUNE system; STEM cells; BONE marrow; IMMUNOGLOBULINS; CELL culture
- Publication
Development, Growth & Differentiation, 2007, Vol 49, Issue 4, p351
- ISSN
0012-1592
- Publication type
Article
- DOI
10.1111/j.1440-169X.2007.00932.x