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Título: Beta Human Papillomavirus and Associated Diseases
Autor(es): SICHERO, LauraROLLISON, Dana E.AMORRORTU, Rossybelle P.TOMMASINO, Massimo
Parte de: ACTA CYTOLOGICA, v.63, n.2, p.100-108, 2019
Resumo: The cutaneous human papillomavirus (HPV), mostly from beta and gamma-HPV genus, is ubiquitously distributed throughout the human body and may be part of the commensal flora. The association of beta-HPVs and cutaneous squamous cell carcinoma (cSCC) development was initially reported in patients with the rare genetic disorder Epidermodysplasia verruciformis. Likewise, immunosuppressed organ transplant recipients have an increased susceptibility to beta-HPV infections in the skin as well as to cSCC development. Although ultraviolet radiation (UVR) is the main risk factor of cSCC, experimental data points toward beta-HPVs as co-carcinogens, which appear to be required solely at early stages of skin carcinogenesis by facilitating the accumulation of UVR-induced DNA mutations. Several epidemiological studies relying on different biomarkers of beta-HPV infections have also been conducted in immunocompetent individuals to access their association with cSCC development. Additionally, in vivo and in vitro studies are presenting cumulative evidence that E6 and E7 proteins from specific beta-HPVs exhibit transforming activities and may collaborate with different environmental factors in promoting carcinogenesis. Nevertheless, further research is crucial to better understand the pathological implications of the broad distribution of these HPVs. (C) 2019 S. Karger AG, Basel
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Artigos e Materiais de Revistas Científicas - HC/ICESP
Instituto do Câncer do Estado de São Paulo - HC/ICESP

Artigos e Materiais de Revistas Científicas - LIM/24
LIM/24 - Laboratório de Oncologia Experimental

Artigos e Materiais de Revistas Científicas - ODS/03
ODS/03 - Saúde e bem-estar

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