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BOVINE PAPILLOMAVIRUS AND CANCER [Review]

机译:牛乳头状瘤病毒和癌症[评论]

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摘要

Bovine papillomavirus (BPV) induces papillomas of cutaneous or mucosal epithelia in cattle. The papillomas are benign tumours and generally regress, but occasionally persist and provide the focus for malignant transformation to squamous cell carcinoma, particularly in the presence of environmental cofactors. This has been experimentally demonstrated for BPV-2 and cancer of the urinary bladder, and BPV-4 and cancer of the upper alimentary canal in cattle feeding on bracken fern. In this review, several aspects of the biology of the virus are described including viral genome structure, regulation of transcription of the viral oncogenes, function of the viral oncoproteins, cooperation between virus and chemical cofactors in carcinogenesis, virus latency and prophylactic and therapeutic vaccination programmes.
机译:牛乳头瘤病毒(BPV)诱导牛的皮肤或粘膜上皮乳头状瘤。乳头状瘤是良性肿瘤,通常会消退,但偶尔会持续存在,并为恶性转化为鳞状细胞癌提供了重点,尤其是在环境辅助因子存在的情况下。实验证明了以蕨菜为食的牛的BPV-2和膀胱癌,BPV-4和上消化道癌症。在这篇综述中,描述了病毒生物学的几个方面,包括病毒基因组结构,病毒癌基因转录的调控,病毒癌蛋白的功能,病毒和化学辅因子在致癌,病毒潜伏期以及预防性和治疗性疫苗接种计划方面的合作。 。

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