P53 and PCNA is Positively Correlated with HPV Infection in Laryngeal Epitheliopapillomatous Lesions in Patiets with Different Ethnic Backgrounds in Xinjiang

Sun, Jie; Xiong, Ju; Zhen, Yan; Chen, Zhao-Lun; Zhang, Hua

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저자정보: Sun, Jie (Department of ENT, the First Affiliated Hospital of Xinjiang Medical University) Xiong, Ju (Department of General Surgery, the People's Hospital of Xinjiang Uygur Autonomous Region) Zhen, Yan (Department of ENT, the Second Affiliated Hospital of Xinjiang Medical University) Chen, Zhao-Lun (Department of ENT, the First Affiliated Hospital of Xinjiang Medical University) Zhang, Hua (Department of ENT, the First Affiliated Hospital of Xinjiang Medical University)

저널정보: 아시아태평양암예방학회 Asian Pacific journal of cancer prevention : APJCP Asian Pacific journal of cancer prevention : APJCP 제13권 제11호

발행연도: 2012.1

수록면: 5,439 - 5,444 (6page)

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Objective: To explore the correlation of human papillomavious (HPV) infection with expression of p53 and proliferating cell nuclear antigen (PCNA) in patients with different ethnicity in Xinjiang, China. Methods: 166 biopsy specimens from 83 laryngeal squamous cell carcinomas (LSCC), 63 laryngeal papillomas (LP), and 20 laryngeal inflammatory polyps (LIP) were included in this study. HPV infection was determined by polymerase chain reaction (PCR) using specific types of HPV primers. Expression of p53 and PCNA was assessed using immunohistostaining. Results: The frequency of HPV 6/11 was higher in LP (33.3%) than in LSCC (9.6%) (P<0.0005), whereas the frequency of HPV 16/18 was higher in LSCC (37.3 %) than in LP (6.3%) (P<0.0005). Patients of the Han ethnic group with LSCC had a higher infection rate with HPV 6/11 or HPV 6/11 and HPV 16/18 coinfection than those of Uygur and Kazak ethnicity (P<0.05). Overexpression of p53 and PCNA were higher in LSCC (62.7%, 57.8%) than in LP (38%, 33.3%) (P<0.005, and P<0.005, respectively). That of p53 was not associated with lymph-node metastases and clinical stages, but overexpression of PCNA closely correlated with clinical stage. Conclusions: These results strongly implicate HPV6/11 infection in the carcinogenesis of LSCC and LP, respectively. There was a higher coincidence of increased malignancy of laryngeal tumors with overexpression of p53 and PCNA. Overexpression of p53 may serve as an early risk marker for malignant transformation in HPV infected cells while the overexpression of PCNA may serve as a late marker for progression of LSCC.

#p53 #PCNA #human papillomavious #laryngeal epitheliopapillomatous lesions

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Sun, Jie

소속기관 Provincial Hospital Affiliated to Shandong University, Eastern Hospital Care in Department of Respir