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We have shown that normal and human papillomavirus (HPV) type 16 immortalized human foreskin keratinocytes are growth inhibited by tumor necrosis factor alpha (TNF-alpha), whereas HPV-18- and SV40-immortalized keratinocytes are resistant to this cytokine (1). In this report, we investigated the expression of mitotic regulatory proteins, such as cyclin A,(More)
Keratinocytes immortalized by human papillomaviruses (HPV) 16 and 18 are partially resistant to the inhibition of proliferation exerted by transforming growth factor-beta (TGF-beta). To determine if this finding reflects a generalized resistance to inhibitory cytokines, we studied the effect of tumor necrosis factor-alpha (TNF-alpha) on subconfluent(More)
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