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Does insulin, transferrin and selenous acid preparation effect chondrocyte proliferation?
Alper Gökçe1, Ibrahim Yılmaz2, Nevzat Selim Gökay3
1Nişantaşı University, İstanbul, Turkey. dralpergokce@yahoo.com.
Objective:
The aim of this study was to test the hypothesis that insulin, human transferrin, and selenous acid (ITS) preparation have positive effects on chondrocyte proliferation and morphology and investigate the biochemical and histological effects of these additive substances in different cell culture media.
Methods:
Human cartilage-derived cells (hCDCs) were isolated from the cartilage tissue of a 57-year-old woman diagnosed with gonarthrosis. Tissue samples were cultured in Dulbecco's modified Eagle's medium (DMEM) and RPMI-1640. The cells' chondrogenic activities were observed. After serial passagings, cells were divided into 4 groups at the end of the 6th week. On the 14th day, proliferated cells were examined using an inverted microscope with x4, x10, x20 and x40 magnification and microphotographs were taken. Living cell quantity was determined on the first and 14th days using MTS-ELISA cell proliferation assay.
Results:
DMEM (without adding ITS premix solution) and RPMI-1640 containing ITS premix solution provide proliferation of the chondrogenic cells. The proliferation and viability of chondrocytes were revealed in this study in the 3rd group (DMEM solution without additives).
Conclusion:
It is suggested that the culture medium ingredients play crucial roles on chondrogenic proliferation in osteochondral tissue cultures.
