The chondrocyte is the only specialized cell type present in articular cartilage. They produce secretions to support and repair the cartilage matrix. Human chondrocytes in mature articular cartilage are post-mitotic and terminally differentiated cells. Studies on human chondrocytes have been hampered by the difficulty in obtaining sufficient numbers of primary human chondrocytes from a single joint and by variabilities among donors due to factors such as age and medical conditions.
T/C-28a2 cell line was established by transfecting primary cultures (day 5) of costal cartilage from a 15-year-old female with a retroviral vector expressing simian virus SV40 large T antigen.
1. Goldring, M.B, Birkhead, J.R., Suen, L.F., Yamin, R., Mizuno, S., Glowacki, J., Arbiser, J.L, Apperley, J.F. (1994) Interleukin-1 beta-modulated gene expression in immortalized human chondrocytes. J. Clin. Invest 94(6): 2307-2316.
2. Claassen, H., Schicht, M., Brandt, J., Reuse, K., Schadlich, R., Goldring, M.B., Guddat, S.S., Thate, A., Paulsen, F. C-28/I2 and T/C-28a2 chondrocytes as well as human primary articular chondrocytes express hormone and insulin receptors- Useful cells in study of cartilage metabolism Ann Anat. 193(1): 23-29.
3. Goldring, M.B. (2004) Culture of immortalized chondrocytes and their use as models of chondrocyte function. Methods Mol. Med. 100: 37-52.
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• Each vial contains ≥ 1X106 viable cells.
• Cells are tested by PCR and are negative for HPV-16, HPV-18, Hepatitis A, B, C and HIV-1 & 2 viruses.
• Cells are negative for mycoplasma contamination.
• Each lot of cells are genotyped by STR analysis to verify the unique identity of the cell line.