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  • Title: [Detection of HPV infection in CIN and invasive cancers by in situ hybridization method--comparison with histopathology].
    Author: Ishi K, Saito A, Kina K, Kawashima T, Utsuno H, Nakamura H, Igari J.
    Journal: Rinsho Byori; 1993 Oct; 41(10):1167-72. PubMed ID: 8254963.
    Abstract:
    The causal association of human papilloma virus (HPV) with cervical cancer has been supported by multiple lines of evidence. Therefore, in the case of dysplasia, the presence of HPV-DNA should be detected and its subtypes identified. This is important in the determination of the prognosis for cervical disease. We reported a study in which the localization and types of HPV in cervical diseases was identified by in situ hybridization using biotin-labelled DNA probes. Seven types (3 basic forms) of HPV were used as DNA probes. HPV types used were following: 6/11, 16/18, 31/33/35. In this study, we introduced 7 new types (3 forms) of probes for a total of 14 types (6 forms). The new probes introduced were 42/43/45, 45/56, 51/52. Using these probes, the rate of detection HPV according to types was examined. In addition, localization of HPV infection and its relationship with histopathological findings of cervical disease were evaluated. 1) Types 6/11 and 45/56 were found in the lesions with less important histological findings (CIN I). Types 16/18, 31/33/35, 51/52 were found in the all lesions. Type 42/43/44 were not detected in this study. 2) The addition of 7 new types (3 new forms) of probes resulted in a 17% increase (16 cases) in the rate of detection of HPV compared to our previous study. 3) Localization and distribution pattern of the HPV is not, as has been reported so far, dependent on HPV type but rather on the histological characteristics, such as the degree of dysplasia.
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