Passage History
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The C-33 A cell line is one of a series of lines (see also ATCC CRL-1594 and ATCC CRL-1595) derived by N. Auersperg from cervical cancer biopsies. The line exhibited a hypodiploid karyotype initially, and an epithelial morphology.
Karyological instability was observed with continued passage. The retinoblastoma protein (pRB) is present but abnormal in size. Expression of p53 is elevated, and there is a point mutation at codon 273 resulting in a Arg -> Cys substitution.
The cells are negative for human papillomavirus
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References
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J. Natl. Cancer Inst. 32: 135-148, 1964.
Yee C, et al. Presence and expression of human papillomavirus sequences in human cervical carcinoma cell lines. Am. J. Pathol. 119: 361-366, 1985. PubMed: 2990217
Scheffner M, et al. The state of the p53 and retinoblastoma genes in human cervical carcinoma cell lines. Proc. Natl. Acad. Sci. USA 88: 5523-5527, 1991. PubMed: 1648218
Hendricks DT, et al. FHIT gene expression in human ovarian, endometrial, and cervical cancer cell lines. Cancer Res. 57: 2112-2115, 1997. PubMed: 9187105
Kovelman R, et al. Enhanced transcriptional activation by E2 proteins from the oncogenic human papillomaviruses. J. Virol. 70: 7549-7560, 1996. PubMed: 8892874
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