Abstract：
:In this study, we have demonstrated the overexpression of cyclin D1 protein in 24 (92%) of 26 low-grade squamous intraepithelial lesions infected with low-risk human papillomaviruses (HPV 6, 11, 42, 43, and 44) and the absence of cyclin D1 expression in 25 (87%) of 29 lesions infected with high-risk HPVs (HPV 16, 18, 31, 33, 39, 45, 51, 52, 56, 58, and 66). The expression of cyclins E, A, and B proteins was increased in both low-risk and high-risk HPV infections. Tetrasomy of chromosomes 1, 3, 11, 17, 18, and X was present in nine lesions, all of which were infected with high-risk HPVs, but was not related to the pattern of cyclin expression. These data provide in vivo evidence that low- and high-risk HPV types alter cell cycle control by different mechanisms and that cell cycle checkpoint abnormalities are induced by high-risk, but not low-risk, HPV infection.
journal_name
Cancer Resjournal_title
Cancer researchauthors
Southern SA,Herrington CSsubject
Has Abstractpub_date
1998-07-15 00:00:00pages
2941-5issue
14eissn
0008-5472issn
1538-7445journal_volume
58pub_type
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