Please use this identifier to cite or link to this item: https://observatorio.fm.usp.br/handle/OPI/4019
Title: Overexpression of ANXA1 in Penile Carcinomas Positive for High-Risk HPVs
Authors: CALMON, Marilia FreitasMOTA, Manlio Tasso de OliveiraBABETO, EricaCANDIDO, Natalia MariaGIROL, Ana PaulaMENDIBURU, Carlos FabianBONILHA, Jane LopesSILVESTRE, Rodrigo Vellasco DuarteROSA, Bruno MiziaraTHOME, Jorge AlbertoMEDEIROS, Gustavo Hernandez AmericoSOARES, Fernando AugustoGUIMARAES, Gustavo CardosoARRUDA, Jose Germano Ferraz deOLIANI, Sonia MariaVILLA, Luisa LinaVASSALLO, JoseRAHAL, Paula
Citation: PLOS ONE, v.8, n.1, article ID e53260, 7p, 2013
Abstract: The incidence of penile cancer varies between populations but is rare in developed nations. Penile cancer is associated with a number of established risk factors and associated diseases including phimosis with chronic inflammation, human papillomavirus (HPV) infection, poor hygiene and smoking. The objective of this study was to identify genes related to this type of cancer. The detection of HPV was analyzed in 47 penile squamous cell carcinoma samples. HPV DNA was detected in 48.9% of penile squamous cell carcinoma cases. High-risk HPV were present in 42.5% of cases and low-risk HPV were detected in 10.6% of penile squamous cell carcinomas. The RaSH approach identified differential expression of Annexin A1 (ANXA1), p16, RPL6, PBEF1 and KIAA1033 in high-risk HPV positive penile carcinoma; ANXA1 and p16 were overexpressed in penile squamous cells positive for high-risk HPVs compared to normal penile samples by qPCR. ANXA1 and p16 proteins were significantly more expressed in the cells from high-risk HPV-positive penile carcinoma as compared to HPV-negative tumors (p<0.0001) independently of the subtype of the carcinoma. Overexpression of ANXA1 might be mediated by HPV E6 in penile squamous cell carcinoma of patients with high-risk HPVs, suggesting that this gene plays an important role in penile cancer.
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LIM/24 - Laboratório de Oncologia Experimental


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