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Human papillomavirus infection and its biomarkers' expressions in laryngeal basaloid squamous cell carcinoma

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机构: [1]Capital Med Univ, Dept Pathol, Beijing Tongren Hosp, Beijing Key Lab Head & Neck Mol Diagnost Pathol, Dongjiaominxiang St, Beijing 100730, Peoples R China [2]Capital Med Univ, Beijing Shijitan Hosp, Dept Pathol, Beijing, Peoples R China
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关键词: Human papillomavirus BSCC HPV DNA HPV mRNA p16 p21

摘要:
Aims: To investigate the frequency and transcriptional activity of HPV and its correlation to p16 and p21 expression in basaloid squamous cell carcinoma (BSCC) of the larynx. Methods: We evaluated tissues from 29 patients with BSCC of the larynx for the expressions of p16 and p21 proteins by immunohistochemistry (IHC) and for HPV E6 and E7 mRNA by RNA in situ hybridization (ISH). The presence of genotype-specific HPV DNA was evaluated using PCR-RDB in formalin-fixed paraffin-embedded tissues. P16 and p21 expression and HPV DNA status were correlated with clinicopathological features. Results: HPV DNA was detected in 8 of 29 (27.59%) patients, with HPV-16 being the predominant genotype. P16 and p21-positivity were observed in 7/29 (24.14%) and 8/29 (27.59%) patients, respectively. HPV was not correlated with p16 expression (P> 0.05). However, p21 expression was significantly higher in HPV-positive tumors than in HPV-negative tumors (P < 0.05). No cases exhibited transcriptionally active HPV in our series. Conclusion: Our findings suggest that a small fraction of BSCC of the larynx is HPV DNA-positive in this Chinese population, p21 expression was significantly higher in HPV-positive tumors, and no cases were HPV transcriptionally active in this small cohort. Further research of HPV and its role in BSCC of the larynx are warranted.

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出版当年[2017]版:
大类 | 4 区 医学
小类 | 4 区 肿瘤学 4 区 病理学
最新[2025]版:
大类 | 4 区 医学
小类 | 4 区 肿瘤学 4 区 病理学
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出版当年[2016]版:
Q3 PATHOLOGY Q4 ONCOLOGY
最新[2023]版:
Q3 PATHOLOGY Q4 ONCOLOGY

影响因子: 最新[2023版] 最新五年平均 出版当年[2016版] 出版当年五年平均 出版前一年[2015版] 出版后一年[2017版]

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第一作者机构: [1]Capital Med Univ, Dept Pathol, Beijing Tongren Hosp, Beijing Key Lab Head & Neck Mol Diagnost Pathol, Dongjiaominxiang St, Beijing 100730, Peoples R China
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通讯机构: [1]Capital Med Univ, Dept Pathol, Beijing Tongren Hosp, Beijing Key Lab Head & Neck Mol Diagnost Pathol, Dongjiaominxiang St, Beijing 100730, Peoples R China [*1]Department of Pathology, Beijing Tongren Hospital, Capital Medical University, Beijing Key Laboratory of Head and Neck Molecular Diagnostic Pathology, Dongjiaominxiang St, Beijing 100730, China
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