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Expression of ras Oncogene Product, MHC class II Antigen and Human Papillomavirus 16/18 DNA in Carcinomas of the Uterine Cervix.
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Original Article Expression of ras Oncogene Product, MHC class II Antigen and Human Papillomavirus 16/18 DNA in Carcinomas of the Uterine Cervix.
K J Cho, Ja June Jang
Journal of Pathology and Translational Medicine 1993;27(5):485-490
DOI: https://doi.org/
Department of Anatomic Pathology, Korea Cancer Center Hospital, Seoul, Korea.
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Immunohistochemical study for ras oncogene product(p21) and MHC class II(HLA-DR) antigen, and in situ hybridization for human papillomavirus(HPV) type 16/18 were performed on 50 squamous cell carcinomas of the uterine cervix. Activated ras and aberrant DR expression were noted in 26 cases(52%) and 11 cases(22%), respectively, without a difference between keratinizing and non-keratinizing types. No direct correlation between ras and DR expression was histologically found. p21 was diffusely distributed with a finely granular pattern in the cytoplasm. Aberrant DR expression was also diffuse, with linear staining along the cell membrane. In situ hybridization revealed HPV type 16/18 DNAs in superficial koilocytotic cells of 4 cases, in which ras or DR expression was not correlated with the presence of HPV DNA.

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