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Jiang QQ, Zhu JJ, Fan SL, Hou YP, Hu XY, Shi J, Wu L, Luo Y. Establishment and application of a reverse dot blot assay for 13 mutations of hearing-loss genes in primary hospitals in China. ASIAN BIOMED 2024; 18:11-17. [PMID: 38515630 PMCID: PMC10953844 DOI: 10.2478/abm-2024-0003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2024]
Abstract
Background Hearing loss is a common sensorineural dysfunction with a high incidence in China. Although genetic factors are important causes of hearing loss, hearing-related gene detection has not been widely adopted in China. Objective Establishing a rapid and efficient method to simultaneously detect hotspot hearing loss gene mutations. Methods A reverse dot blot assay combined with a flow-through hybridization technique was developed for the simultaneous detection of 13 hotspot mutations of 4 hearing loss-related genes including GJB2, GJB3, SLC26A4, and the mitochondrial gene MT-RNR1. This method involved PCR amplification systems and a hybridization platform. Results The technique can detect 13 hotspot mutations of 4 hearing loss-related genes. And a total of 213 blood samples were used to evaluate the availability of this method. Discussion Our reverse dot blot assay was a simple, rapid, accurate, and cost-effective method to identify hotspot mutations of 4 hearing loss-related genes in a Chinese population.
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Affiliation(s)
- Qing-Qing Jiang
- Department of Clinical Laboratory, Changning Maternity and Infant Health Hospital, East China Normal University, Shanghai200050, China
| | - Juan-Juan Zhu
- Chaozhou Hybribio Limited Corporation, Guangdong, China
| | - Shu-Ling Fan
- Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai200072, China
| | - Ya-Ping Hou
- Department of Clinical Laboratory, Changning Maternity and Infant Health Hospital, East China Normal University, Shanghai200050, China
| | - Xie-Ying Hu
- Department of Clinical Laboratory, Changning Maternity and Infant Health Hospital, East China Normal University, Shanghai200050, China
| | - Jie Shi
- Nanjing Red Cross Blood Center, Nanjing, Jiangsu210037, China
| | - Lei Wu
- Department of Clinical Laboratory, Changning Maternity and Infant Health Hospital, East China Normal University, Shanghai200050, China
| | - Ying Luo
- Department of Clinical Laboratory, Changning Maternity and Infant Health Hospital, East China Normal University, Shanghai200050, China
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Nie L, Qin H, Li S, Yu Z, Huang W, Zhang L, Zhao J. The establishment of a multiplex fluorescent polymerase chain reaction coupled with capillary electrophoresis analysis technology enables the simultaneous detection of 16 genotypes of human papillomavirus. J Clin Lab Anal 2024; 38:e24996. [PMID: 38131260 PMCID: PMC10829687 DOI: 10.1002/jcla.24996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 11/23/2023] [Accepted: 12/06/2023] [Indexed: 12/23/2023] Open
Abstract
BACKGROUND The detection and accurate genotyping of human papillomavirus (HPV) infection is critical for preventing and effectively treating cervical cancer. METHODS A multiplex fluorescent polymerase chain reaction (PCR) coupled with a capillary electrophoresis method was developed for the simultaneous detection of the 16 most prevalent HPV genotypes. Twenty-five pairs of primers were ultimately selected to ensure that both E and L regions of nine HPV genotypes, as well as the E regions of seven HPV genotypes could be accurately amplified. RESULTS This method enables the simultaneous detection and differentiation of 16 HPV genotypes in a single closed-tube reaction, accurately distinguishing products with molecular weight differences >1 bp through capillary electrophoresis. This method demonstrated exceptional accuracy, specificity, and repeatability with a detection limit of 10 copies/μL for all 16 HPV genotypes. Furthermore, 152 cervical swab specimens were obtained to compare the disparities between this approach and Cobas 4800 HPV detection method. The concordance rate and κ value were 90.1% and 0.802, respectively, indicating a high level of agreement. The established detection method was successfully applied to cervical swab specimens for determining HPV genotypes across all levels of cervical lesions, HPV52, 56, 16, and 59 were found to be most prevalent with infection rates of 10.8%, 9.1%, 6.5%, and 6.2%, respectively. CONCLUSIONS This study has successfully established a detection method capable of simultaneously identifying 16 HPV genotypes. This approach can be further applied to HPV vaccine research and surveillance, with the potential for broad applications.
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Affiliation(s)
- Lingling Nie
- Division of HIV/AIDS and Sex‐transmitted Virus VaccinesNational Institutes for Food and Drug ControlBeijingChina
| | - Haiyang Qin
- Division of HIV/AIDS and Sex‐transmitted Virus VaccinesNational Institutes for Food and Drug ControlBeijingChina
| | - Sisi Li
- Suzhou YueMicro Gene Technology Co. LtdSuzhouChina
| | - Zailiang Yu
- Suzhou YueMicro Gene Technology Co. LtdSuzhouChina
| | - Weijin Huang
- Division of HIV/AIDS and Sex‐transmitted Virus VaccinesNational Institutes for Food and Drug ControlBeijingChina
| | - Li Zhang
- Division of HIV/AIDS and Sex‐transmitted Virus VaccinesNational Institutes for Food and Drug ControlBeijingChina
| | - Jian Zhao
- Department of Obstetrics and GynecologyPeking University First HospitalBeijingChina
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Zhong G, Wang Y, Xie Q, Lin R, Yao T. HPV-specific risk assessment of cervical cytological abnormalities. BMC Cancer 2021; 21:949. [PMID: 34429079 PMCID: PMC8383360 DOI: 10.1186/s12885-021-08703-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 08/16/2021] [Indexed: 11/27/2022] Open
Abstract
Background Cytology and HPV genotype screening play an important role in cervical cancer detection. Whether multiple HPV genotyping can predict cytological lesions remains to be further studied. Methods Two thousand two hundred twenty-four females were analyzed for cytology and HPV genotypes test. The possibility of predicting cytological lesions by HPV genotypes test was evaluated by multivariate logistic regression and area under the receiver operator characteristic curve (AUC). Result Abnormal cytological results were found in 479 participants. A total of 688 patients were detected with HPV infection, 619 with HR-HPV infection and 112 with LR-HRV infection. HPV-52 was found to be the most common type among these patients, and a relatively higher risk of cervical lesions was found in HPV positive females. HPV-16, 31, 33 and 58 were found to have significantly higher infection rates in patients with HSIL and higher lesions. The prediction model was developed based on age and HPV-specific genotypes, with the AUC of 0.73 for cytological abnormalities and 0.82 for HSIL and higher lesions. Conclusion HPV-16, 31, 33 and 58 infection are significant risk factors for cervical lesions. Combined HPV genotypes test can effectively predict cytological abnormalities.
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Affiliation(s)
- Guanglei Zhong
- Department of Gynecological Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, 107 Yan Jiang West Road, Guangzhou, People's Republic of China
| | - Yuhan Wang
- Department of Gynecological Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, 107 Yan Jiang West Road, Guangzhou, People's Republic of China
| | - Qingsheng Xie
- Department of Gynecological Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, 107 Yan Jiang West Road, Guangzhou, People's Republic of China
| | - Rongchun Lin
- Department of Gynecological Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, 107 Yan Jiang West Road, Guangzhou, People's Republic of China
| | - Tingting Yao
- Department of Gynecological Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, 107 Yan Jiang West Road, Guangzhou, People's Republic of China. .,Key Laboratory of malignant tumor gene regulation and target therapy of Guangdong Higher Education Institutes, Sun Yat-Sen University, Guangzhou, People's Republic of China.
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Zhang J, Liu G, Cui X, Yu H, Wang D. Human papillomavirus genotypes and the risk factors associated with multicentric intraepithelial lesions of the lower genital tract: a retrospective study. BMC Infect Dis 2021; 21:554. [PMID: 34116658 PMCID: PMC8194015 DOI: 10.1186/s12879-021-06234-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Accepted: 05/24/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Multicentric intraepithelial lesions of the lower genital tract (multicentric lesions) were defined as intraepithelial lesions of two or three sites within cervix, vagina, and vulva occurring synchronously or sequentially. The characteristics of multicentric lesions has been poorly understood. This study aimed to evaluate the risk factors for multicentric lesions, including specific HPV genotypes. METHODS A retrospective case-control study was performed involving patients histologically diagnosed with multicentric lesions between January 2018 and October 2019. Controls were patients histologically diagnosed with single cervical intraepithelial neoplasia (CIN) and admitted during the same period. Univariable and multivariable analyses were used to assess the risk factors for multicentric lesions. RESULTS Of 307 patients with multicentric lesions, the median age was 50 years (interquartile range: 43-55.5), and they were older than patients with single CIN (median age: 43 years, interquartile range: 36-50). In the multicentric lesion group, the proportions of cytologic abnormalities, HPV positivity, and multiple HPV infections were 68.9, 97.0, and 36.5%, respectively. In the multivariable analysis, menopause, a history of malignant tumors beyond the lower genital tract and multiple HPV infections were associated with the incidence of multicentric lesions (Odd ratio (OR) = 3.14, 95% confidence interval (CI) 2.24-4.41; OR = 9.58, 95% CI 1.02-89.84; OR = 1.47, 95% CI 1.03-2.10). The common HPV genotypes were HPV16, HPV53, HPV58, HPV52, HPV51, HPV56 and HPV18 in patients with multicentric lesions. The proportion of HPV16 infection was higher in high-grade lesions group than that in low-grade lesions group (OR = 2.54, 95% CI 1.34-4.83). The OR for multicentric lesions, adjusted for menopause, smoking, gravidity, parity, a history of malignant tumor beyond the lower genital tract and multiple HPV infection, was 1.97 (95% CI 1.04-3.75) in patients with HPV51 infection. CONCLUSIONS Multicentric lesions were associated with menopause, a history of malignant tumors and multiple HPV infections. HPV16 was the most common genotype, especially in high grade multicentric lesions and HPV51 infection was found to be a risk factor for detecting multicentric lesions.
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Affiliation(s)
- Jing Zhang
- Department of Gynecology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, No.44 Xiaoheyan Road, Shenyang, 110042, Liaoning province, China
| | - Guangcong Liu
- Department of Epidemiology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang, 110042, Liaoning province, China
| | - Xiaoli Cui
- Department of Gynecology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, No.44 Xiaoheyan Road, Shenyang, 110042, Liaoning province, China
| | - Huihui Yu
- Department of Cancer Prevention and Treatment, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang, 110042, Liaoning province, China
| | - Danbo Wang
- Department of Gynecology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, No.44 Xiaoheyan Road, Shenyang, 110042, Liaoning province, China.
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Current Updates on Cancer-Causing Types of Human Papillomaviruses (HPVs) in East, Southeast, and South Asia. Cancers (Basel) 2021; 13:cancers13112691. [PMID: 34070706 PMCID: PMC8198295 DOI: 10.3390/cancers13112691] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 05/23/2021] [Accepted: 05/25/2021] [Indexed: 12/13/2022] Open
Abstract
Simple Summary Among the over 200 human papillomavirus (HPV) genotypes identified, approximately 15 of them can cause human cancers. In this review, we provided an updated overview of the distribution of cancer-causing HPV genotypes by countries in East, Southeast and South Asia. Besides the standard screening and treatment methods employed in these regions, we unravel HPV detection methods and therapeutics utilised in certain countries that differ from other part of the world. The discrepancies may be partly due to health infrastructure, socio-economy and cultural diversities. Additionally, we highlighted the area lack of study, particularly on the oncogenicity of HPV genotype variants of high prevalence in these regions. Abstract Human papillomavirus (HPV) infection remains one of the most prominent cancer-causing DNA viruses, contributing to approximately 5% of human cancers. While association between HPV and cervical cancers has been well-established, evidence on the attribution of head and neck cancers (HNC) to HPV have been increasing in recent years. Among the cancer-causing HPV genotypes, HPV16 and 18 remain the major contributors to cancers across the globe. Nonetheless, the distribution of HPV genotypes in ethnically, geographically, and socio-economically diverse East, Southeast, and South Asia may differ from other parts of the world. In this review, we garner and provide updated insight into various aspects of HPV reported in recent years (2015–2021) in these regions. We included: (i) the HPV genotypes detected in normal cancers of the uterine cervix and head and neck, as well as the distribution of the HPV genotypes by geography and age groups; (ii) the laboratory diagnostic methods and treatment regimens used within these regions; and (iii) the oncogenic properties of HPV prototypes and their variants contributing to carcinogenesis. More importantly, we also unveil the similarities and discrepancies between these aspects, the areas lacking study, and the challenges faced in HPV studies.
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Soheili M, Keyvani H, Soheili M, Nasseri S. Human papilloma virus: A review study of epidemiology, carcinogenesis, diagnostic methods, and treatment of all HPV-related cancers. Med J Islam Repub Iran 2021; 35:65. [PMID: 34277502 PMCID: PMC8278030 DOI: 10.47176/mjiri.35.65] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Indexed: 12/11/2022] Open
Abstract
Background: Human papillomavirus (HPV) infection is considered as the most common viral sexually transmitted infection worldwide. This poses an increasingly interdisciplinary medical challenge. Since there is vast scattered information in databases about HPV and the correlated diseases, we decided to collect useful data so that the experts can get a more comprehensive view of HPV. Methods: In this article, HPV-associated diseases, prevalence, prevention, and new treatments are discussed. The retrieved articles reporting the latest data about the required information for our review were selected through searching in Web of Science, Scopus, Medline (PubMed), EMBASE, Cochrane Library, Ovid, and CINHAL with language limitations of English and German. Results: There are 2 groups of HPVs: (1) low-risk HPV types that can lead to genital warts, and (2) high-risk HPV types that are involved in HPV-associated oncogenesis. About 70% of all sexually active women are infected and most of these infections heal within many weeks or months. In the case of HPV-persistence, a risk of preneoplasia or carcinoma exists. These types of viruses are responsible for the existence of genitoanal, gastrointestinal, urinary tract, and head and neck tumors. There is still no definite successful treatment. The detection of HPV-related condylomata occurs macroscopically in women and men, and the diagnosis of the precursors of cervical carcinoma in women is possible by Pap smear. Conclusion: For extragenital manifestations, there is no structured early detection program. Meanwhile, studies on HPV vaccines confirm that they should be used for the primary prevention of HPV-dependent diseases. However, we need more research to find out the real advantages and disadvantages of vaccines.
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Affiliation(s)
- Maryam Soheili
- School of Kinesiology and Health Science, York University, Toronto, Canada
| | - Hossein Keyvani
- Department of Medical Virology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Gastrointestinal and Liver Disease Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Marzieh Soheili
- Faculty of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Human Revivification Society of Congress 60, Tehran, Iran
| | - Sherko Nasseri
- Cellular and Molecular Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran
- Department of Molecular Medicine and Medical Genetics, Faculty of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran
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Weng J, Sheng N, Wang R, Liang S, Wang C, Bai X, Zhou G, Zou B, Song Q. Multiplex Visualized Closed-Tube PCR with Hamming Distance 2 Code for 15 HPV Subtype Typing. Anal Chem 2021; 93:5529-5536. [PMID: 33752323 DOI: 10.1021/acs.analchem.1c00035] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Cervical cancer is the fourth leading cause of death in women, especially in developing countries. Specific and economic methodologies for HPV typing are crucial in cancer diagnosis and further disease control. However, routine assays based on real-time polymerase chain reaction (qPCR) or DNA-chip hybridization are either incapable of offering detailed subtype information or involve tedious open-tube operations with the risk of cross-contamination from PCR amplicons. Herein, we proposed a multiplex visualized closed-tube PCR (Multi-Vision) for HPV typing. Using gold nanoparticle probes (AuNPs) as a color change indicator combined with a Hamming distance 2 coding scheme, 13 high-risk HPVs and two subtypes associated with high-incidence benign lesions were successfully typed by performing six closed-tube PCRs. The assay demonstrates high specificity with no cross-reaction among different subtypes under several artificial sample concentrations (from 100 to 103 copies per reaction) and enables highly sensitive detection of as low as 0.5 copies/μL. Further, 105 clinical samples were successfully analyzed using our method with a high concordance rate of 99.05% (104/105) compared to a HPV typing kit. The inconsistent sample was confirmed by sequencing to be consistent with the typing results determined by our method, indicating that Multi-Vision could be a useful tool for HPV detection, especially in resource-limited regions.
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Affiliation(s)
- Jixue Weng
- Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Nan Sheng
- Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Runyuan Wang
- Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Shuo Liang
- Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Chen Wang
- Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Xue Bai
- Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Guohua Zhou
- Department of Clinical Pharmacy, Jinling Hospital, State Key Laboratory of Analytical Chemistry for Life Science & Jiangsu Key Laboratory of Molecular Medicine, Medical School of Nanjing University, Nanjing 210002, China.,School of Pharmacy, Southern Medical University, Guangzhou 510515, China
| | - Bingjie Zou
- Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China.,Department of Clinical Pharmacy, Jinling Hospital, State Key Laboratory of Analytical Chemistry for Life Science & Jiangsu Key Laboratory of Molecular Medicine, Medical School of Nanjing University, Nanjing 210002, China
| | - Qinxin Song
- Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
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Wu S, Wu Y, Lu Y, Yue Y, Cui C, Yu M, Wang S, Liu M, Zhao Y, Sun Z. STAT1 expression and HPV16 viral load predict cervical lesion progression. Oncol Lett 2020; 20:28. [PMID: 32774501 PMCID: PMC7405543 DOI: 10.3892/ol.2020.11889] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 06/26/2020] [Indexed: 02/06/2023] Open
Abstract
Cervical cancer is the fourth leading cause of cancer-associated mortality worldwide. However, its underlying molecular mechanisms are unclear. It is important to explore these mechanisms in order to identify novel diagnostic and prognostic biomarkers. The present study determined the association between STAT1 and human papillomavirus (HPV)16 in cervical lesions. STAT1 expression was detected by immunohistochemistry. Quantitative PCR was used to detect HPV16 viral load and STAT1 expression in cervical lesions. The potential associations among STAT1 expression, HPV16 viral load and the severity of cervical lesions in patients were analyzed using receiver operating characteristic (ROC) curves. The Cancer Genome Atlas database was used to analyze STAT1 expression and survival. High STAT1 expression was observed in 10.71 (3/28), 41.18 (14/34), 53.06 (26/49) and 90.00% (27/30) of normal tissue, low-grade squamous intraepithelial lesion (LSIL), high-grade squamous intraepithelial lesion (HSIL) and cervical squamous cell carcinoma samples, respectively. The HPV16 copy number gradually increased with the progression of cervical lesions, with the highest copy number observed in cervical cancer samples. In addition, STAT1 expression was positively correlated with HPV16 viral load. Furthermore, ROC curve analysis demonstrated that the combination of STAT1 expression and HPV16 viral load was able to differentiate between LSIL/HSIL and cervical cancer samples. Bioinformatics analysis revealed that STAT1 expression was associated with improved survival in cervical cancer. Additionally, STAT1 expression was positively associated with the progression of cervical lesions, and HPV16 viral load may affect STAT1 expression. Overall, these findings indicate that STAT1 may be an indicator of the status of cervical lesions.
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Affiliation(s)
- Si Wu
- Department of Biobank, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
| | - Yingying Wu
- Department of Biobank, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
| | - Yiping Lu
- Department of Biobank, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
| | - Yuanyi Yue
- Department of Gastroenterology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
| | - Changwan Cui
- Department of Biobank, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
| | - Miao Yu
- Department of Biobank, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
| | - Shuang Wang
- Department of Biobank, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
| | - Miao Liu
- Department of Biobank, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
| | - Ying Zhao
- Medical Examination Center, Shenyang Red Cross Hospital, Shenyang, Liaoning 110013, P.R. China
| | - Zhengrong Sun
- Department of Biobank, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
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Hu C, Quan H, Yan L, Sun J, Lan L, Wang S. Prevalence of human papillomavirus in sinonasal squamous cell carcinoma with and without association of inverted papilloma in Eastern China. Infect Agent Cancer 2020; 15:36. [PMID: 32514292 PMCID: PMC7260750 DOI: 10.1186/s13027-020-00298-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 05/04/2020] [Indexed: 11/30/2022] Open
Abstract
Background Information on HPV-associated sinonasal squamous cell carcinoma (SNSCC) is very limited in China. The aim of this study was to determine the prevalence of HPV in a large cohort of SNSCC patients in China. Methods Clinical records and formalin-fixed and paraffin-embedded tumor specimens from 30 SNSCC patients with associated inverted papilloma (IP-SNSCC) and 84 de novo SNSCC (DN-SNSCC) patients were retrieved between 2010 and 2017. HPV status was determined for each specimen using a combination of p16 immunohistochemistry and GP5+/6+ PCR. Results Immunohistochemistry for p16 was positive in two IP-SNSCC patients (2/30, 6.7%) and in 16 DN-SNSCC patients (16/84, 19.0%). HPV DNA was detected in six IP-SNSCC patients (6/30, 20%) and in three DN-SNSCC patients (3/84, 3.8%). Expression of p16 was not correlated with the presence of HPV DNA (p = 0.150). Among 18 p16-positive SNSCC patients, only three were HPV DNA-positive. Furthermore, only three of nine HPV DNA-positive tumors exhibited high p16 expression. In IP-SNSCC patients, only one of six HPV DNA-positive tumors exhibited high p16 expression. In DN-SNSCC patients, two of three HPV DNA-positive tumors exhibited high p16 expression. The positive rates for both HPV DNA and p16 in IP-SNSCC patients and DN-SNSCC patients were 3.3 and 2.4%, respectively. Conclusions Immunostaining for p16 is not a reliable surrogate marker of HPV status in SNSCC. The presence of HPV is rarely detected in DN-SNSCC patients in Eastern China. IP-SNSCC patients frequently lack of p16 overexpression despite the presence of high-risk HPV DNA.
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Affiliation(s)
- Chunyan Hu
- Department of Pathology, Eye and ENT Hospital, Fudan University, Shanghai, China
| | - Huatao Quan
- Department of Radiation Oncology, Eye and ENT Hospital, Fudan University, Fenyang Road 83, Xuhui District, Shanghai, China
| | - Li Yan
- Department of Radiation Oncology, Eye and ENT Hospital, Fudan University, Fenyang Road 83, Xuhui District, Shanghai, China
| | - Ji Sun
- Department of Pathology, Eye and ENT Hospital, Fudan University, Shanghai, China
| | - Lin Lan
- Department of Pathology, Eye and ENT Hospital, Fudan University, Shanghai, China
| | - Shengzi Wang
- Department of Radiation Oncology, Eye and ENT Hospital, Fudan University, Fenyang Road 83, Xuhui District, Shanghai, China
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Zhang J, Zhang D, Yang Z, Wang X, Wang D. The role of human papillomavirus genotyping for detecting high-grade intraepithelial neoplasia or cancer in HPV-positive women with normal cytology: a study from a hospital in northeastern China. BMC Cancer 2020; 20:443. [PMID: 32429919 PMCID: PMC7236298 DOI: 10.1186/s12885-020-06935-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Accepted: 05/06/2020] [Indexed: 12/30/2022] Open
Abstract
Background Human papillomavirus (HPV) testing is more sensitive than cytology for detecting cervical cancer and its precursors. This study aimed to analyze the prevalence of high-risk HPV genotypes and evaluate the role of HPV genotyping triage for detecting high-grade squamous intraepithelial lesions, adenocarcinoma in situ and cervical cancer (HSIL+) in HPV-positive women with normal cytology. Methods A retrospective study was performed in women who had undergone co-screening at the China Medical University-affiliated Shengjing Hospital between 2012 and 2014. Results Of the 34,587 women, 2665 HPV-positive women with normal cytology who had received colposcopy were eligible for analysis. In HSIL+ groups of 204 women, the common genotypes were HPV16, HPV52, HPV58, HPV33, HPV31 and HPV18 in order of prevalence. The proportion of histological HSIL+ in women infected with HPV33 or HPV31 was not significantly different compared to women infected with HPV16 (P = 0.30, P = 0.19, respectively). The odds ratios for histological HSIL+ were 3.26 (95% confidence interval [CI]: 2.41–4.40) in women with HPV16/18, 4.21 (95% CI: 2.99–5.93) in those with HPV16/18/31/33, and 5.73 (95% CI: 3.30–9.97) in those with HPV16/18/31/33/52/58. Including HPV31/33 genotyping together with HPV16/18 significantly increased the proportion of HSIL+ detection from 63.2 to 77.5% (P = 0.002) without significantly increasing the colposcopy per HSIL+ detection ratio (7.7 to 8.1, P = 0.66). Conclusions HPV genotyping played an important role in managing HPV-positive women with normal cytology. Genotyping for HPV31/33 should be added to the previously recommended HPV16/18 genotyping in triaging HPV-positive women in northeastern China.
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Affiliation(s)
- Jing Zhang
- Department of Gynecology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, No.44 Xiaoheyan Road, Shenyang, 110042, Liaoning province, China
| | - Deyu Zhang
- Department of Obstetrics and Gynecology, Shengjing Hospital, China Medical University, No.36 Sanhao Street, Shenyang, 110004, Liaoning province, China
| | - Zhuo Yang
- Department of Gynecology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, No.44 Xiaoheyan Road, Shenyang, 110042, Liaoning province, China
| | - Xiaobin Wang
- Department of Gynecology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, No.44 Xiaoheyan Road, Shenyang, 110042, Liaoning province, China
| | - Danbo Wang
- Department of Gynecology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, No.44 Xiaoheyan Road, Shenyang, 110042, Liaoning province, China.
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Self-Collected Specimens Revealed a Higher Vaccine- and Non-Vaccine-Type Human Papillomavirus Prevalences in a Cross-Sectional Study in Akuse. Adv Prev Med 2020; 2020:8343169. [PMID: 32411484 PMCID: PMC7204098 DOI: 10.1155/2020/8343169] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 10/16/2019] [Accepted: 11/22/2019] [Indexed: 12/24/2022] Open
Abstract
Background Population-specific epidemiologic data on human Papillomavirus infection, which are limited in most of the SubSaharan African countries, are necessary for effective cervical cancer prevention. This study aimed to generate population-specific data on human Papillomavirus infections, and determine which of these, self-collected and provider-collected specimens, gives a higher estimate of the prevalence of human Papillomaviruses, including vaccine and non-vaccine-type human Papillomavirus. Methods In this cross-sectional study, following a questionnaire-based collection of epidemiological data, self-, and provider-collected specimens, obtained from women 15−65 years of age, were analysed for human Papillomavirus types by a nested-multiplex polymerase chain reaction, and for cervical lesions by Pap testing. HPV data were categorised according to risk type and vaccine types for further analysis. Results The difference between the overall human Papillomavirus infection prevalences obtained with the self-collected specimens, 43.1% (95% CI of 38.0–51.0%) and that with the provider-collected samples, 23.3% (95% CI of 19.0–31.0%) were significant (p ≤ 0.001). The prevalence of quadrivalent vaccine-type human Papillomaviruses was 12.3% with self-collected specimens, but 6.0% with provider-collected specimens. For the nonavalent vaccine-types, the prevalences were 26.6% and 16.7% respectively. There were multiple infections involving both vaccine-preventable and nonvaccine preventable high-risk human Papillomavirus genotypes. Conclusion The Akuse subdistrict can, therefore, be said to have a high burden of human Papillomavirus infections, which included nonvaccine types, as detected with both self-collected and provider-collected specimens. These imply that self-collection is to be given a higher consideration as a means for a population-based high-risk human Papillomavirus infections burdens assessment/screening. Additionally, even with a successful implementation of the HPV vaccination, if introduced in Ghana, there is still the need to continue with the screening of women.
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12
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Analysis of HPV genotype-specific concordance between EUROArray HPV and HPV 3.5 LCD-Array Kit in cervical samples of 163 patients. Arch Gynecol Obstet 2019; 301:745-751. [PMID: 31875249 DOI: 10.1007/s00404-019-05427-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 12/17/2019] [Indexed: 10/25/2022]
Abstract
PURPOSE Human papilloma virus (HPV) as the most common viral infection of the anogenital tract is highly associated with intraepithelial neoplasia and cancer of the cervix and other anogential regions. To date, 15 high-risk (HR-) HPV and 3 probably/possibly HR-HPVs have been found to be associated with cervical cancer. Therefore, a screening especially for HR-HPV by appropriate tests is important for detection of precancerous lesions to prevent cancer. The purpose of this study was to analyze prospectively the concordance of the EUROArray HPV genotyping assay (Euroimmun; EUROArray) and the HPV 3.5 LCD-Array Kit (Chipron; LCD-Array). METHODS Liquid-based, clinician-collected cervical cytology samples (n = 163) from women undergoing cervical inspection at the dysplasia consultation in the colposcopy clinic at the Medical Center-University of Freiburg, Germany were analyzed. Genotype-specific agreement was assessed by Cohen's kappa statistic and McNemar's P value of significance between proportions. RESULTS Seventeen of the HR-HPV genotypes included in both assays were detected in 42.3% and 38% of samples by EUROArray and by LCD-Array, respectively; i.e. an agreement of 92.0% and a kappa value of 0.83 could be proven between the EUROArray and the LCD-Array. In 50 of 72 samples, identical HR-HPV genotypes were analyzed (81.9%, κ = 0.47) and genotyping for HPV 16 and/or 18 was highly concordant in both tests (relative agreement 96.3%, κ = 0.88). Detection of any HR-HPV was not significantly different after comparison of EUROArray with LCD-Array. CONCLUSION Both of the tests showed comparable results for the detection of HPV in cervical specimens and permit these assays to be suitable for routine diagnostics.
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13
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Machine Learning Interpretation of Extended Human Papillomavirus Genotyping by Onclarity in an Asian Cervical Cancer Screening Population. J Clin Microbiol 2019; 57:JCM.00997-19. [PMID: 31511337 DOI: 10.1128/jcm.00997-19] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 09/09/2019] [Indexed: 11/20/2022] Open
Abstract
This study aimed (i) to compare the performance of the BD Onclarity human papillomavirus (HPV) assay with the Cobas HPV test in identifying cervical intraepithelial neoplasia 2/3 or above (CIN2/3+) in an Asian screening population and (ii) to explore improving the cervical cancer detection specificity of Onclarity by machine learning. We tested 605 stratified random archived samples of cervical liquid-based cytology samples with both assays. All samples had biopsy diagnosis or repeated negative cytology follow-up. Association rule mining (ARM) was employed to discover coinfection likely to give rise to CIN2/3+. Outcome classifiers interpreting the extended genotyping results of Onclarity were built with different underlying models. The sensitivities (Onclarity, 96.32%; Cobas, 95.71%) and specificities (Onclarity, 46.38%; Cobas, 45.25%) of the high-risk HPV (hrHPV) components of the two tests were not significantly different. When HPV16 and HPV18 were used to further interpret hrHPV-positive cases, Onclarity displayed significantly higher specificity (Onclarity, 87.10%; Cobas, 80.77%). Both hrHPV tests achieved the same sensitivities (Onclarity, 90.91%; Cobas, 90.91%) and similar specificities (Onclarity, 48.46%; Cobas, 51.98%) when used for triaging atypical squamous cells of undetermined significance. Positivity in both HPV16 and HPV33/58 of the Onclarity channels entails the highest probability of developing CIN2/3+. Incorporating other hrHPVs into the outcome classifiers improved the specificity of identifying CIN2/3 to up to 94.32%. The extended genotyping of Onclarity therefore can help to highlight patients having the highest risk of developing CIN2/3+, with the potential to reduce unnecessary colposcopy and negative psychosocial impact on women receiving the reports.
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14
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Lim YK, Kweon OJ, Choi JH, Park S, Jung K, Kim J, Park AJ. Analytical evaluation of a new Microdisk™ technology-based multiplex HPV genotyping system – the QPLEX™ HPV genotyping kit. J LAB MED 2019. [DOI: 10.1515/labmed-2019-0038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Background
Recently, the QPLEX™ human papillomavirus (HPV) genotyping kit (QuantaMatrix, Seoul, Korea), a Microdisk™ technology-based multiplex system, was developed to detect 32 HPV genotypes. We evaluated the analytical performance of this kit by conducting a comparison study, precision evaluation and interference testing.
Methods
A total of 1594 cervical swab specimens were used to compare the QPLEX™ HPV genotyping kit with other commercially available kits (GeneFinder HPV Liquid Bead MicroArray Genotype polymerase chain reaction [PCR] kit, Infopia, Seoul, Korea; PANArray™ HPV Genotyping Chip, PANAGENE, Daejeon, Korea). For the determination of precision, we evaluated four types of precision profiles: repeatability, lot-to-lot variability, operator-to-operator variability and site-to-site variability. In addition, interference tests were performed with various interferents.
Results
The results of the QPLEX™ HPV genotyping kit showed almost perfect agreement with the other commercially available HPV genotyping assays. The combined precision was acceptable. In addition, there was no tested interferent that affected the results of the QPLEX™ HPV genotyping kit.
Conclusions
The QPLEX™ HPV genotyping kit showed acceptable analytical performance in our study. This assay could be a suitable option for HPV genotyping in routine and follow-up tests.
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15
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Li W, Meng Y, Wang Y, Cheng X, Wang C, Xiao S, Zhang X, Deng Z, Hu M, Shen P, Xu S, Fu C, Jiang W, Wu B, Li K, Chen G, Wei J, Xi L, Hu J, Ma D, Xue M, Xie X, Wu P. Association of age and viral factors with high-risk HPV persistence: A retrospective follow-up study. Gynecol Oncol 2019; 154:345-353. [DOI: 10.1016/j.ygyno.2019.05.026] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 05/06/2019] [Accepted: 05/28/2019] [Indexed: 01/20/2023]
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16
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Zhang X, Zhi Y, Li Y, Fan T, Li H, Du P, Cheng G, Li X. Study on the relationship between methylation status of HPV 16 E2 binding sites and cervical lesions. Clin Chim Acta 2019; 493:98-103. [DOI: 10.1016/j.cca.2019.02.027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 02/25/2019] [Accepted: 02/27/2019] [Indexed: 11/15/2022]
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17
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Zou J, Cao Z, Zhang J, Chen T, Yang S, Huang Y, Hong D, Li Y, Chen X, Wang X, Cheng X, Lu W, Xie X. Variants in human papillomavirus receptor and associated genes are associated with type-specific HPV infection and lesion progression of the cervix. Oncotarget 2018; 7:40135-40147. [PMID: 27223085 PMCID: PMC5129998 DOI: 10.18632/oncotarget.9510] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Accepted: 04/26/2016] [Indexed: 01/28/2023] Open
Abstract
Human papillomavirus (HPV) infects cervical epithelial cells through cellular membrane receptors, and then induces the initiation and progression of cervical cancer. Single nucleotide polymorphisms (SNPs) may impact the susceptibility and outcome of diseases, but it's still unknown whether variant in HPV receptor and associated genes is associated with type-specific HPV infection and cervical lesion progression. We examined 96 SNPs in 8 genes which may participate in the HPV infection process in 875 samples with HPV negative or single HPV16, 18, 52, 58 positive from 3299 cervical exfoliated cell samples, by Illumina BeadXpress VeraCode platform, and analyzed the correlation between the SNPs and type-specific HPV infection and cervical lesions progression. We found rs28384376 in EGFR and rs12034979 in HSPG2 significantly correlated to HPV16 infection; rs2575738, rs2575712, rs2575735 in SDC2 and rs6697265 in HSPG2 significantly correlated to HPV18 infection; rs10510097 in FGFR2, rs12718946 in EGFR significantly correlated to HPV52 infection; rs4947972 in EGFR, rs2981451 in FGFR2, rs2575735 in SDC2 significantly correlated to HPV58 infection. And rs3135772, rs1047057 and rs2556537 in FGFR2, rs12034979 in HSPG2, rs16894821 in SDC2 significantly correlated to cervical lesion progression induced by HPV16 infection; rs6697265 and rs6680566 in HSPG2, rs16860426 in ITGA6 by HPV18 infection; rs878949 in HSPG2, rs12718946 and rs12668175 in EGFR by HPV52 infection; no SNP by HPV58 infection. Our findings suggest that HPV receptor and associated gene variants may influence the susceptibilities to HPV type-specific infection and cervical lesion progression, which might have a potential application value in cervical cancer screening and therapy.
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Affiliation(s)
- Jian Zou
- The Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, China.,Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, China
| | - Zhu Cao
- The Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, China.,Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, China
| | - Jianyang Zhang
- The Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, China.,Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, China
| | - Tingting Chen
- The Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, China.,Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, China
| | - Shizhou Yang
- The Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, China.,Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, China
| | - Yongjie Huang
- The Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, China.,Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, China
| | - Die Hong
- The Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, China
| | - Yang Li
- The Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, China
| | - Xiaojing Chen
- Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, China
| | - Xinyu Wang
- The Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, China
| | - Xiaodong Cheng
- The Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, China
| | - Weiguo Lu
- The Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, China.,Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, China
| | - Xing Xie
- The Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, China.,Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310006, China
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18
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Fadlullah MZH, Chiang IKN, Dionne KR, Yee PS, Gan CP, Sam KK, Tiong KH, Ng AKW, Martin D, Lim KP, Kallarakkal TG, Mustafa WMW, Lau SH, Abraham MT, Zain RB, Rahman ZAA, Molinolo A, Patel V, Gutkind JS, Tan AC, Cheong SC. Genetically-defined novel oral squamous cell carcinoma cell lines for the development of molecular therapies. Oncotarget 2017; 7:27802-18. [PMID: 27050151 PMCID: PMC5053689 DOI: 10.18632/oncotarget.8533] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Accepted: 03/18/2016] [Indexed: 12/13/2022] Open
Abstract
Emerging biological and translational insights from large sequencing efforts underscore the need for genetically-relevant cell lines to study the relationships between genomic alterations of tumors, and therapeutic dependencies. Here, we report a detailed characterization of a novel panel of clinically annotated oral squamous cell carcinoma (OSCC) cell lines, derived from patients with diverse ethnicity and risk habits. Molecular analysis by RNAseq and copy number alterations (CNA) identified that the cell lines harbour CNA that have been previously reported in OSCC, for example focal amplications in 3q, 7p, 8q, 11q, 20q and deletions in 3p, 5q, 8p, 18q. Similarly, our analysis identified the same cohort of frequently mutated genes previously reported in OSCC including TP53, CDKN2A, EPHA2, FAT1, NOTCH1, CASP8 and PIK3CA. Notably, we identified mutations (MLL4, USP9X, ARID2) in cell lines derived from betel quid users that may be associated with this specific risk factor. Gene expression profiles of the ORL lines also aligned with those reported for OSCC. By focusing on those gene expression signatures that are predictive of chemotherapeutic response, we observed that the ORL lines broadly clustered into three groups (cell cycle, xenobiotic metabolism, others). The ORL lines noted to be enriched in cell cycle genes responded preferentially to the CDK1 inhibitor RO3306, by MTT cell viability assay. Overall, our in-depth characterization of clinically annotated ORL lines provides new insight into the molecular alterations synonymous with OSCC, which can facilitate in the identification of biomarkers that can be used to guide diagnosis, prognosis, and treatment of OSCC.
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Affiliation(s)
| | - Ivy Kim-Ni Chiang
- Cancer Research Malaysia, Subang Jaya, Selangor, Malaysia.,Oral Cancer Research and Co-ordinating Centre (OCRCC), Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
| | - Kalen R Dionne
- Cancer Research Malaysia, Subang Jaya, Selangor, Malaysia.,Oral Cancer Research and Co-ordinating Centre (OCRCC), Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia.,Medical Scientist Training Program, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO
| | - Pei San Yee
- Cancer Research Malaysia, Subang Jaya, Selangor, Malaysia
| | - Chai Phei Gan
- Cancer Research Malaysia, Subang Jaya, Selangor, Malaysia
| | - Kin Kit Sam
- Cancer Research Malaysia, Subang Jaya, Selangor, Malaysia
| | - Kai Hung Tiong
- Cancer Research Malaysia, Subang Jaya, Selangor, Malaysia.,Oral Cancer Research and Co-ordinating Centre (OCRCC), Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
| | | | - Daniel Martin
- Oral and Pharyngeal Cancer Branch, National Institutes of Health, Bethesda, MD, USA
| | - Kue Peng Lim
- Cancer Research Malaysia, Subang Jaya, Selangor, Malaysia
| | - Thomas George Kallarakkal
- Oral Cancer Research and Co-ordinating Centre (OCRCC), Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia.,Department of Oro-Maxillofacial Surgery and Medical Sciences, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
| | | | - Shin Hin Lau
- Stomatology Unit, Institute for Medical Research, Kuala Lumpur, Malaysia
| | - Mannil Thomas Abraham
- Department of Oral and Maxillofacial Surgery, Tengku Ampuan Rahimah Hospital, Klang, Selangor, Malaysia
| | - Rosnah Binti Zain
- Oral Cancer Research and Co-ordinating Centre (OCRCC), Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia.,Department of Oro-Maxillofacial Surgery and Medical Sciences, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
| | - Zainal Ariff Abdul Rahman
- Department of Oro-Maxillofacial Surgery and Medical Sciences, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
| | - Alfredo Molinolo
- Oral and Pharyngeal Cancer Branch, National Institutes of Health, Bethesda, MD, USA
| | - Vyomesh Patel
- Cancer Research Malaysia, Subang Jaya, Selangor, Malaysia
| | - J Silvio Gutkind
- Oral and Pharyngeal Cancer Branch, National Institutes of Health, Bethesda, MD, USA
| | - Aik Choon Tan
- Division of Medical Oncology, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Sok Ching Cheong
- Cancer Research Malaysia, Subang Jaya, Selangor, Malaysia.,Department of Oro-Maxillofacial Surgery and Medical Sciences, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
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19
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Tang Z, Xu Y, Song N, Zou D, Liao Y, Li Q, Pan C. A comparison of the MeltPro ® HPV Test with the Cobas ® HPV Test for detecting and genotyping 14 high-risk human papillomavirus types. Arch Virol 2017; 163:725-730. [PMID: 29209810 DOI: 10.1007/s00705-017-3645-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Accepted: 10/03/2017] [Indexed: 11/25/2022]
Abstract
The clinical performance of the newly developed MeltPro® HPV Test, based on multicolor melting curve analysis, was evaluated and compared with the commercially available Cobas® HPV Test for detection of HPV and genotyping of HPV-16 and HPV-18. A total of 1647 cervical samples were analyzed with both tests. The agreement values were 96.2% for HPV detection, 99.6% for HPV-16 identification, and 99.7% for HPV-18 identification. All genotyping results from MeltPro® HPV Test showed that HPV-52, HPV-58, and HPV-16 were the most common types in this study. Intra-laboratory reproducibility studies showed 97.8% agreement while inter-laboratory reproducibility studies showed 96.9% agreement for the MeltPro® HPV Test. The MeltPro® HPV Test and Cobas® HPV Test are highly correlative and are useful for monitoring HPV infection.
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Affiliation(s)
- Zhiteng Tang
- Zhongshan Hospital, Xiamen University, Xiamen, Fujian, China
| | - Ye Xu
- The State Key Laboratory of Cellular Stress Biology, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, Engineering Research Center of Molecular Diagnostics of the Ministry of Education, School of Life Sciences, Xiamen University, Xiamen, Fujian, China
| | - Najie Song
- Zeesan Biotechnology Company, Xiamen, Fujian, China
| | - Dongqing Zou
- Zeesan Biotechnology Company, Xiamen, Fujian, China
| | - Yiqun Liao
- The State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, State Key Laboratory of Cellular Stress Biology, Engineering Research Center of Molecular Diagnostics of the Ministry of Education, School of Public Health, Xiamen University, Xiamen, Fujian, China.
| | - Qingge Li
- The State Key Laboratory of Cellular Stress Biology, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, Engineering Research Center of Molecular Diagnostics of the Ministry of Education, School of Life Sciences, Xiamen University, Xiamen, Fujian, China.
| | - Chao Pan
- Zhongshan Hospital, Xiamen University, Xiamen, Fujian, China.
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20
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Tian T, Mijiti P, Bingxue H, Fadong Z, Ainiwaer A, Guoyao S, Zhanlin Z, Mahan Y, Xiaoqin T, Zheng G, Jianghong D. Prevalence and risk factors of anal human papillomavirus infection among HIV-negative men who have sex with men in Urumqi city of Xinjiang Uyghur Autonomous Region, China. PLoS One 2017; 12:e0187928. [PMID: 29141014 PMCID: PMC5687769 DOI: 10.1371/journal.pone.0187928] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Accepted: 10/27/2017] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND Infection with human papillomavirus (HPV) is the most common sexually transmitted infection among men who have sex with men (MSM). Study on prevalence and risk factors of anal HPV infection among HIV-negative MSM in Northwestern China was rare. METHODS We performed a cross-sectional study of HPV prevalence using anal swab specimens among HIV-negative MSM in Urumqi city of Xinjiang Uyghur Autonomous Region, China between April 1st and October 30th in 2016. Prevalence of any anal HPV infection, high-risk and low-risk HPV infection was estimated. Risk factors associated with any anal HPV infection was analyzed using univariate and multivariate logistic regression models. RESULTS Among 538 potential participants, 500(92.9%) were recruited in this study. The genotyping results of anal HPV infection were available for all. Of them, 259 (51.8%), 190 (38.0%) and 141(28.2%) were positive for at least one of the targeted 37 HPV genotypes, high-risk HPV genotypes, and any low-risk HPV genotypes. The most prevalent anal HPV genotype was HPV 6(11.8%), followed by HPV 16(11.2%), HPV 11(10.8%), HPV 51(7.0%) and HPV 18(5.4%).Among those infected with at least one of the targeted 37 anal HPV genotypes, 75(29.0%), 155(59.8%) and 191(73.7%) were infected with 2-valent, quadrivalent and 9-valent HPV vaccine-covered genotypes. Receptive anal intercourse in the past year was the only predictor of any anal HPV infection in multivariate logistic regression model. CONCLUSION Prevalence of any anal HPV infection and high-risk HPV infection among HIV-negative MSM in Urumqi city of Xinjiang is high. The majority of genotypes detected in our study were covered by quadrivalent and 9-valent HPV vaccines. Regular anal exams and early HPV vaccination among MSM may be considered in future HPV prevention programs in Xinjiang, China.
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Affiliation(s)
- Tian Tian
- Department of Epidemiology and Biostatistics, School of Public Health, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Peierdun Mijiti
- Department of Epidemiology and Biostatistics, School of Public Health, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Huang Bingxue
- Department of Epidemiology and Biostatistics, School of Public Health, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Zhang Fadong
- Surgery Department of Toutunhe District General Hospital, Urumqi, Xinjiang, China
| | - Abidan Ainiwaer
- Department of Epidemiology and Biostatistics, School of Public Health, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Sang Guoyao
- Clinical Laboratory of Xinjiang Medical University First Affiliated Hospital, Urumqi, Xinjiang, China
| | - Zhang Zhanlin
- Department of Epidemiology and Biostatistics, School of Public Health, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Yeledan Mahan
- Department of Epidemiology and Biostatistics, School of Public Health, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Tuo Xiaoqin
- Department of Epidemiology and Biostatistics, School of Public Health, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Gong Zheng
- Department of Epidemiology and Biostatistics, School of Public Health, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Dai Jianghong
- Department of Epidemiology and Biostatistics, School of Public Health, Xinjiang Medical University, Urumqi, Xinjiang, China
- * E-mail:
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21
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Zhang Q, Zhao M, Cao D, Wei X, Wang L, Li Y, Yang T, Zhao J, Pei M, Jia H, Cao S, Quan S, Yang X. Assessment of the effectiveness of HPV16/18 infection referred for colposcopy in cervical cancer screening in Northwest of China. J Med Virol 2017; 90:165-171. [PMID: 28710863 PMCID: PMC5725729 DOI: 10.1002/jmv.24902] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Accepted: 07/07/2017] [Indexed: 11/28/2022]
Abstract
To evaluate the effectiveness of Human papillomavirus16/18 infection referral to colposcopy in cervical cancer screening for women aged 25 years and older in Chinese northwest region Shaan'xi province. A total of 2224 women were diagnosed with primary high‐risk HPV infection by HPV‐DNA genotyping technology during August 2014 to August 2015. A total of 1916 cases referred for colposcopy with histological evidence were enrolled, including 1124 women with HPV16/18 genotype and 792 with other High‐risk human papillomavirus genotypes. A total of 1916 women aged 25 years and older with HR‐HPV positive were referred to colposcopy. The distribution of HPV16, HPV18, and other HR‐HPVs infection were 49.22%, 9.45%, and 41.33%, respectively. 71.56% had normal cervical histology, 7.05% had Cervical Intraepithelial Neoplasia1, 8.82% had CIN2, 7.25% had CIN3, and 5.32% had cervical cancer. The percentage of positivity of HPV16 and HPV18 was highly associated with the relative risk of cervical lesion. The sensitivity and specificity of HPV16/18 for detection of CIN2+ (CIN3+) was 82.68% (92.12%) and 47.87% (46.15%), respectively. The positive predictive value and negative predictive value of HPV16/18 for detection of CIN2+ (CIN3+) was 30.16% (19.75%) and 91.03% (97.60%), respectively. HPV16 and HVP18 are the most common genotypes in high grade cervical lesions in Shaan'xi province. Meanwhile, these two types play predominant roles in the progression of high grade cervical lesion. Primary HPV16/18 detection has high sensitivity and negative predictive value in cervical cancer screening and the strategy for women with HPV16 and HPV18 infection referral to colposcopy is efficient and feasible in northwestern region of China.
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Affiliation(s)
- Qian Zhang
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.,Department of Gynecology and Obstetrics, The Northwest Women and Children Hospital, Xi'an, Shaanxi, China
| | - Minyi Zhao
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Di Cao
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Xing Wei
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Li Wang
- Center of Maternal and Child Health Care, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yang Li
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Ting Yang
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Juan Zhao
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Meili Pei
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Hongran Jia
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.,Department of Gynecology and Obstetrics, The Northwest Women and Children Hospital, Xi'an, Shaanxi, China
| | - Siyu Cao
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Shimin Quan
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Xiaofeng Yang
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
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Nilyanimit P, Chansaenroj J, Karalak A, Laowahutanont P, Junyangdikul P, Poovorawan Y. Comparison of human papillomavirus (HPV) detection in urine and cervical swab samples using the HPV GenoArray Diagnostic assay. PeerJ 2017; 5:e3910. [PMID: 29038761 PMCID: PMC5637711 DOI: 10.7717/peerj.3910] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Accepted: 09/19/2017] [Indexed: 12/02/2022] Open
Abstract
Human papillomavirus (HPV) is the leading cause of cervical cancer. Urine-based HPV testing offers a simple and non-invasive method because of its increasing acceptance. A total of 164 pairs of cervical swab and urine samples from Thai women who underwent cervical cancer screening were used for HPV testing with HPV GenoArray Diagnostic Kits. The overall concordance percentage for HPV detection in the cervical swab and urine samples was 65.2%. The HPV genotypes most commonly detected were HPV16 and HPV18. An analysis of the urine samples and a second analysis of the cervical swab samples showed that the differences in the overall HPV detection rate between women with normal and abnormal cytology were not significant (p > 0.05). Urine samples processed with the GenoArray assay is an alternative for women who decline to undergo Pap smear even though it is not ideal as the first-line screening option.
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Affiliation(s)
- Pornjarim Nilyanimit
- Center of Excellence in Clinical Virology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Jira Chansaenroj
- Center of Excellence in Clinical Virology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Anant Karalak
- Department of Pathology, National Cancer Institute, Bangkok, Thailand
| | | | - Pairoj Junyangdikul
- Department of Pathology, Samitivej Srinakarin Hospital, Bangkok Hospital Group, Bangkok, Thailand
| | - Yong Poovorawan
- Center of Excellence in Clinical Virology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
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Ye J, Cheng B, Cheng YF, Yao YL, Xie X, Lu WG, Cheng XD. Prognostic value of human papillomavirus 16/18 genotyping in low-grade cervical lesions preceded by mildly abnormal cytology. J Zhejiang Univ Sci B 2017; 18:249-255. [PMID: 28271660 DOI: 10.1631/jzus.b1600473] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Histological low-grade squamous intraepithelial lesion/cervical intraepithelial neoplasia grade 1 (LSIL/CIN1) preceded by normal or mildly abnormal cytology is recommended for conservative follow-up, with no separated management. In this study, we assessed the triage value of human papillomavirus (HPV) 16/18 genotyping in 273 patients with LSIL/CIN1. HPV16/18 genotyping was performed at baseline and follow-up was at 6-monthly intervals for up to 2 years. At each follow-up, women positive for cytology or high-risk HPV (hrHPV) were referred for colposcopy. Enrollment cytology, HPV16/18 genotyping, and questionnaire-obtained factors were linked to the 2-year cumulative progression rate. Univariate and multivariate analyses were performed taking into account time-to-event with Cox proportional hazard regression. The results showed that 190 cases (69.6%) regressed, 37 (13.6%) persisted, and 46 (16.8%) progressed. HPV16/18 positivity (hazard ratio (HR), 2.708; 95% confidence interval (CI), 1.432-5.121; P=0.002) is significantly associated with higher 2-year cumulative progression rate. Sub-analysis by enrollment cytology and age restricted the positive association among patients preceded by mildly abnormal cytology and aged 30 years or older. Immediate treatment is a rational recommendation for the high-risk subgroup, when good compliance is not assured.
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Affiliation(s)
- Jing Ye
- Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
| | - Bei Cheng
- Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
| | - Yi-Fan Cheng
- Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
| | - Ye-Li Yao
- Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
| | - Xing Xie
- Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
| | - Wei-Guo Lu
- Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
| | - Xiao-Dong Cheng
- Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
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Tang Y, Zheng L, Yang S, Li B, Su H, Zhang LP. Epidemiology and genotype distribution of human papillomavirus (HPV) in Southwest China: a cross-sectional five years study in non-vaccinated women. Virol J 2017; 14:84. [PMID: 28431558 PMCID: PMC5401384 DOI: 10.1186/s12985-017-0751-3] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2016] [Accepted: 04/14/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Large-size data on type-specific HPV prevalence in Southwest China are required to estimate the cervical cancer burden in the country and to prepare for HPV-based cervical screening program and further HPV vaccination of China. This HPV study is a pooled analysis of data from five years in Chongqing of China, which is cross-sectional in design using data collecting. RESULTS The positivity of HPV was 26.2% (10542/40311), single type was 25.7% (10360/40311), multiple type was 8.2% (3306/40311), high-risk HPV was 30.9% (12490/40311), and low-risk HPV was 2.9%(1169/40311). The most common genotypes were HPV16,52,58 and 18. HPV-positive women (n = 10542) were triaged by cytology, colposcopy or histological diagnosis. Among HPV-positive women, 43.8% had normal, 22.5% had ASCUS, 0.2% had LSIL, 12.6% had HSIL and 6.0% had ICC. The most common HPV genotypes were HPV16, 58 and 18 in ASCUS, HPV16, 18 and 58 in LSIL, HPV16, 58 and 33 in HSIL, and HPV16, 58 and 18 in ICC. The prevalence of Group 1/2A HPV types increased with increasing CIN grade and accounted for 96.05% of the CIN 3+ lesions, while HPV16 accounted for 71.1%. HPV-positive women steadily increased with age, peaking at 31-40 years. CONCLUSION The type-specific prevalence rate of HPV 16 and HPV 18 were a little lower than the mean of international meta-analyses. Single HPV genotype infection was predominantly detected in different groups of cervical lesions in Chongqing, and HPV16, 52, 58 were the priority HPV types. The HPV genotyping study was found to be valuable for planning further preventive program for cervical cancer.
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Affiliation(s)
- Yishu Tang
- Department of Laboratory Medicine, The First Affiliated Hospital of Chongqing Medical University, No. 1 Youyi Road, Yuzhong District, 400016, Chongqing, People's Republic of China
| | - Lan Zheng
- Department of Laboratory Medicine, The First Affiliated Hospital of Chongqing Medical University, No. 1 Youyi Road, Yuzhong District, 400016, Chongqing, People's Republic of China
| | - Shuangshuang Yang
- Department of Laboratory Medicine, The First Affiliated Hospital of Chongqing Medical University, No. 1 Youyi Road, Yuzhong District, 400016, Chongqing, People's Republic of China
| | - Bing Li
- Department of Laboratory Medicine, The First Affiliated Hospital of Chongqing Medical University, No. 1 Youyi Road, Yuzhong District, 400016, Chongqing, People's Republic of China
| | - Huiting Su
- Department of Laboratory Medicine, The First Affiliated Hospital of Chongqing Medical University, No. 1 Youyi Road, Yuzhong District, 400016, Chongqing, People's Republic of China
| | - Li-Ping Zhang
- Department of Laboratory Medicine, The First Affiliated Hospital of Chongqing Medical University, No. 1 Youyi Road, Yuzhong District, 400016, Chongqing, People's Republic of China.
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25
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Prevalence and risk factors for human papillomavirus infection among Chinese ethnic women in southern of Yunnan, China. Braz J Infect Dis 2017; 21:325-332. [PMID: 28284657 PMCID: PMC9427817 DOI: 10.1016/j.bjid.2017.01.009] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Revised: 01/19/2017] [Accepted: 01/23/2017] [Indexed: 11/22/2022] Open
Abstract
Background Dai is a major Chinese ethnic minority group residing in rural areas of the southern part of Yunnan. However, no data exist on the Human Papillomavirus (HPV) prevalence and genotype distribution among Dai women. Method A total of 793 participants (Dai = 324, Han = 251, other ethnic = 218) were included in this study. PCR was performed to detect the HPV-positive samples, and genotyping was performed with an HPV Geno-Array. Result The overall HPV prevalence was very low among Dai women compared to the others. The prevalence of high-risk-HPV infections was significantly higher (p = 0.001) among other ethnic women (22.0%) than that among Han (13.1%) and Dai women (7.1%). The overall HPV, high-risk-HPV, single and multiple infection prevalence among rural women were 12.9%, 12.1%, 12.3%, and 0.5%, respectively. HPV-16 (5.5%) was shown to be the most prevalent genotype, followed by HPV-52 (2.6%) and HPV-58 (2.4%). Urban women had relatively higher rates of overall HPV (16.0%), high-risk-HPV (14.1%), single genotype (11.9%), and multiple genotype (4.1%) infections. In urban women, HPV-52 (3.6%) was the most prevalent genotype, followed by HPV-39 (2.7%) and HPV-16 (1.2%). In the urban area, HPV prevalence was highest in women aged <29 years, but declined with increasing age. However, in rural women, the highest HPV prevalence was observed among women at older age (>50 years). Education and smoking habit were significantly associated with HPV infection among both rural and urban area women (p < 0.001). Conclusion The prevalence and genotype distribution of HPV varied among ethnic women in urban and rural area of Yunnan Province.
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26
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Rapid identification of Candida spp. frequently involved in invasive mycoses by using flow-through hybridization and Gene Chip (FHGC) technology. J Microbiol Methods 2017; 132:160-165. [DOI: 10.1016/j.mimet.2016.11.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2016] [Revised: 11/28/2016] [Accepted: 11/28/2016] [Indexed: 11/22/2022]
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27
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Spathis A, Kottaridi C, Pouliakis A, Archondakis S, Karakitsos P. HPV Detection Methods. Oncology 2017. [DOI: 10.4018/978-1-5225-0549-5.ch008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Human papilloma viruses (HPVs) have been acknowledged to be the leading risk factor of cervical intra-epithelial lesion creation (CIN) and cervical cancer development (CxCa). Many different techniques have been created and utilized in HPV detection and monitoring with a vast amount of them being commercialized and few of them integrated in official screening strategies. A growing trend for DNA typing of the 14 most commonly accepted high risk HPV types has been introduced, supporting that in many cases molecular testing could replace classic morphologic diagnostic routines, even though DNA detection has lower specificity than other molecular and morphology tests. However, there have been limited attempts in combining data from all different techniques to provide efficient patient triaging schemes, since, apart from the obvious increase of patient cost, the amount of data and its interpretation in patient management has been impossible. Complex computer based clinical support decision systems, many of which are based on artificial intelligence may abolish these limitations.
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28
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Murdiyarso LS, Kartawinata M, Jenie I, Widjajahakim G, Hidajat H, Sembiring R, Nasar IM, Cornain S, Sastranagara F, Utomo ARH. Single and multiple high-risk and low-risk Human Papillomavirus association with cervical lesions of 11,224 women in Jakarta. Cancer Causes Control 2016; 27:1371-1379. [DOI: 10.1007/s10552-016-0816-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Accepted: 10/04/2016] [Indexed: 10/20/2022]
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29
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Leng CY, Low HC, Chua LL, Chong ML, Sulaiman H, Azwa I, Roberts JM, Kamarulzaman A, Rajasuriar R, Woo YL. Human papillomavirus 16 (HPV16) and HPV52 E6-specific immunity in HIV-infected adults on combination antiretroviral therapy. HIV Med 2016; 18:321-331. [PMID: 27649852 DOI: 10.1111/hiv.12432] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/08/2016] [Indexed: 11/26/2022]
Abstract
OBJECTIVES Human papillomavirus (HPV)-associated cancers disproportionately affect those infected with HIV despite effective combination antiretroviral therapy (cART). The primary aim of this study was to quantify HPV16 and HPV52 E6-specific interferon (IFN)-γ enzyme-linked immunospot (ELISPOT) T-cell responses, a correlate of protective immunity, in the first year following cART initiation and subsequently in those patients with suboptimal (sIR) and optimal (oIR) immune reconstitution. METHODS Ninety-four HIV-infected patients were recruited to the study; a longitudinal cohort of patients recruited just prior to commencing cART and followed up for 48 weeks (n = 27), and a cross-sectional cohort (n = 67) consisting of patients with sIR (CD4 T-cell count < 350 cells/μL) and oIR (CD4 T-cell count > 500 cells/μL) after a minimum of 2 years on cART. Controls (n = 29) consisted of HIV-negative individuals. IFN-γ ELISPOT responses against HPV16 and HPV52 E6 were correlated to clinical characteristics, anal and oral HPV carriage, T-cell maturational subsets, markers of activation, senescence and T-regulatory cells. RESULTS HPV16 and HPV52 E6-specific T-cell responses were detected in only one of 27 patients (3.7%) during the initial phase of immune recovery. After at least 2 years of cART, those who achieved oIR had significantly higher E6-specific responses (9 of 34; 26.5%) compared with those with sIR (2 of 32; 6.3%) (P = 0.029). Apart from higher CD4 T-cell counts and lower CD4 T-cell activation, no other immunological correlates were associated with the detection of HPV16 and HPV52 E6-specific responses. CONCLUSIONS HPV16 and HPV52 E6-specific IFN-γ T-cell responses, a correlate of protective immunity, were detected more frequently among HIV-infected patients who achieved optimal immune recovery on cART (26.5%) compared with those with suboptimal recovery (6.3%).
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Affiliation(s)
- C Y Leng
- Centre of Excellence for Research in AIDS (CERiA), Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - H C Low
- Centre of Excellence for Research in AIDS (CERiA), Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - L L Chua
- University of Malaya Cancer Research Institute (UMCRI), Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - M L Chong
- Centre of Excellence for Research in AIDS (CERiA), Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - H Sulaiman
- Centre of Excellence for Research in AIDS (CERiA), Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia.,Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - I Azwa
- Centre of Excellence for Research in AIDS (CERiA), Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia.,Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - J M Roberts
- Douglass Hanly Moir Pathology, Macquarie Park, New South Wales, Australia
| | - A Kamarulzaman
- Centre of Excellence for Research in AIDS (CERiA), Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia.,Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - R Rajasuriar
- Centre of Excellence for Research in AIDS (CERiA), Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia.,Department of Pharmacy, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia.,Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, Victoria, Australia
| | - Y L Woo
- Centre of Excellence for Research in AIDS (CERiA), Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia.,University of Malaya Cancer Research Institute (UMCRI), Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia.,Department of Obstetrics and Gynaecology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
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30
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Baloch Z, Yuan T, Yindi S, Feng Y, Tai W, Liu Y, Liu L, Zhang A, Wang B, Wu X, Xia X. Prevalence of genital human papillomavirus among rural and urban populations in southern Yunnan province, China. ACTA ACUST UNITED AC 2016; 49:e5254. [PMID: 27254662 PMCID: PMC4932820 DOI: 10.1590/1414-431x20165254] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Accepted: 03/11/2016] [Indexed: 11/22/2022]
Abstract
This study was designed to investigate and compare the HPV prevalence, genotypes distribution and associated risk factors in rural and urban women living in Xishuang Banna district, in the province of Yunnan. A total of 177 and 190 women from rural and urban areas were engaged, respectively. HPV DNA was amplified using the L1 consensus primers system (MY09/11 and GP5/6) and HPV GenoArray test was conducted for genotyping. Proportions were compared by chi-square test, and logistic regression was used to evaluate risk factors. A total of 54 women were positive for HPV DNA. Among rural women, 23 women were positive for HPV infection, of which 21 showed a single infection and 2 had a multiple infection. HPV-16 (10/23) was the most prevalent genotype followed by HPV-52 (5/23), and HPV-58 (5/23). Urban women had a higher infection rate for overall HPV (31/54) and for multiple genotype infection (8/31). HPV-52 (9/31) was the most prevalent genotype followed by HPV-39 (7/31) and HPV-68 (5/31). The age-specific HPV prevalence was also different between rural and urban women. In urban area, women with age <35 years had the highest HPV prevalence, which declined thereafter as age advanced. However, in rural women the highest HPV prevalence was observed in an older age group (>56 years). Ethnicity, smoking and parity were significantly associated with HPV infection among urban women. Our study demonstrates that HPV prevalence and genotype distribution varies among women from rural and urban areas in the south of Yunnan.
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Affiliation(s)
- Z Baloch
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
| | - T Yuan
- Yunnan Province, Kunming, China
| | - S Yindi
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
| | - Y Feng
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
| | - W Tai
- The Second Affiliated Hospital, Kunming Medical University, Kunming, China
| | - Y Liu
- Yunnan Province, Kunming, China
| | - L Liu
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
| | - A Zhang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
| | - B Wang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
| | - X Wu
- Yunnan Province, Kunming, China
| | - X Xia
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
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31
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Baloch Z, Li Y, Yuan T, Feng Y, Liu Y, Tai W, Liu L, Wang B, Zhang AM, Wu X, Xia X. Epidemiologic characterization of human papillomavirus (HPV) infection in various regions of Yunnan Province of China. BMC Infect Dis 2016; 16:228. [PMID: 27230472 PMCID: PMC4881205 DOI: 10.1186/s12879-016-1562-7] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2015] [Accepted: 05/10/2016] [Indexed: 11/10/2022] Open
Abstract
Background This study was designed to determine the Human papillomavirus (HPV) prevalence and its distribution of genotypes in various regions of Yunnan Province, China. Method In this study, participants were recruited during routine gynecologic examination between Oct 2013 and Feb 2015. A total of 17,898 women were recruited. Polymerase chain reaction was used for detecting the HPV positive samples and HPV geno-array test was used for genotyping. Results The overall HPV infection rate (19.9 %) among the south-western women was significantly higher (P = 0.001) than that among the north-western (18.0 %), south-eastern (13.3 %), north-eastern (11.1 %) and central women (12.9 %). The high-risk (HR) (18.1 %, P = 0.001) and single genotype (16.7 %, P = 0.001) infection rates among the South-western women were also significantly higher than those of among the north-western (13.9 %, 11.3 %), south-eastern (11.6 %, 10.5 %), north-eastern (9.6 %, 9.1 %) and central women (10.5 %, 10.0 %), respectively. While, the infections with multiple HPV (4.2 %) genotypes were significantly more common (P = 0.001) among women in north-western Yunnan than women in the south-western (1.3 %, 3.1 %), south-eastern (1.7 %, 2.7 %), north-eastern (1.5 %, 2.0 %) and central Yunnan (2.4 %, 2.9 %). A total of 30 HPV genotypes were detected; among them 13 were HR-HPV, 3 were PHR-HPV (Potential High risk), 8 were LR-HPV (Low risk) and six were unclassified. The most common HPV genotypes were HPV-52, 16, 58, 53 in control group, HPV-16, 52, 58, 39 and 53 in CINI (Cervical intraepithelial Neoplasia), HPV-52, 16, 58, 33, 53 and 81 in CINII, HPV16, 58, 18, 52, 81 in CINIII and HPV-16 18, 58, 52 in cervical cancer (CC), respectively. Such variation has also been observed about distribution of HPV genotypes distribution among single and multiple infections. Conclusion This study gives an epidemiological estimate of HPV prevalence and different genotype distribution in various region of Yunnan province and further explains its prevalence in different neoplastic lesions. Overall HPV-16, 52, 58, and 18 are the leading HR-HPV genotypes.
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Affiliation(s)
- Zulqarnain Baloch
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China.,The Research Center for Molecular Medicine, Kunming, 650500, China
| | - Yuanyue Li
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China.,The Research Center for Molecular Medicine, Kunming, 650500, China
| | - Tao Yuan
- The First Hospital in Yunnan province, Kunming, 650034, China
| | - Yue Feng
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China.,The Research Center for Molecular Medicine, Kunming, 650500, China
| | - Yanqing Liu
- The First Hospital in Yunnan province, Kunming, 650034, China
| | - Wenlin Tai
- The First Hospital in Yunnan province, Kunming, 650034, China
| | - Li Liu
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China.,The Research Center for Molecular Medicine, Kunming, 650500, China
| | - Binghui Wang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China.,The Research Center for Molecular Medicine, Kunming, 650500, China
| | - A-Mei Zhang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China.,The Research Center for Molecular Medicine, Kunming, 650500, China
| | - Xiaomei Wu
- The First Hospital in Yunnan province, Kunming, 650034, China.
| | - Xueshan Xia
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China. .,The Research Center for Molecular Medicine, Kunming, 650500, China.
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Status of Human Papillomavirus Infection in the Ethnic Population in Yunnan Province, China. BIOMED RESEARCH INTERNATIONAL 2016; 2015:314815. [PMID: 26819950 PMCID: PMC4706867 DOI: 10.1155/2015/314815] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Accepted: 11/24/2015] [Indexed: 12/27/2022]
Abstract
HPV genotypes have distinct distributions among various ethnic populations worldwide. In December 2013, 237 and 159 cervical samples were collected from Hani and Han ethnic women, respectively, in Mojiang, a rural county in southern Yunnan. The overall HPV infection rate (21.1%) among the Hani women was significantly higher than that among the Han women (12.6%). The high-risk (HR) and low-risk (LR) HPV and single- and multiple-genotype infection rates among the Hani women were 11.0%, 4.6%, 15.6%, and 5.5%, respectively. HPV-16 (3.8%) was the most prevalent genotype among the Hani women, followed by HPV-52 (1.7%), HPV-31 (0.8%), and HPV-33 (0.8%). Comparatively, the Han women had lower infection rates of high-risk (8.2%), low-risk (1.2%), single-genotype (9.4%), and multiple-genotype HPV infections (3.1%). HPV-16 (3.1%) was also the predominant genotype among the Han women, followed by HPV-52 (1.3%), HPV-33 (0.6%), HPV-44 (0.6%), and HPV-54 (0.6%). The area background, number of children, and past history of STIs were recognized as potential risk factors for HPV infection. Rural background, age, education level, number of children, and illness history were significantly associated with HPV infection among the Hani women. These findings highlight the urgent need for HPV prevention and control strategies in Yunnan, particularly for the Hani ethnic women.
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Amy Chen YJ, Lin CY, Feng J, Cogdell D, Zhang W, Liu J, Sneige N, Gong Y, Guo M. Accuracy of EasyChip HPV blot genotyping assay to detect high-risk HPV genotypes in SurePath Papanicolaou specimens. J Am Soc Cytopathol 2016; 5:351-358. [PMID: 31042547 DOI: 10.1016/j.jasc.2016.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Revised: 05/27/2016] [Accepted: 06/03/2016] [Indexed: 10/21/2022]
Abstract
INTRODUCTION EasyChip HPV blot is a human papillomavirus (HPV) genotyping assay that can be potentially used for HPV assay validation or clinical HPV research. To evaluate its genotyping accuracy, we compared EasyChip HPV blot with quantitative real-time polymerase chain reaction (qRT-PCR)/type-specific PCR assays in the detection of 8 high-risk HPV genotypes. MATERIALS AND METHODS Archival SurePath Papanicolaou specimens with abnormal results and follow-up biopsy (n = 154) were selected retrospectively for HPV genotyping by EasyChip HPV blot. To determine the accuracy of the assay, qRT-PCR and type-specific PCR also were performed and results for 8 high-risk HPV genotypes were compared (HPV16, 18, 31, 33, 35, 45, 52, and 58). RESULTS A total of 95 Papanicolaou specimens were qualified for data analysis. Concordance between EasyChip HPV blot and qRT-PCR/type-specific PCR assays was high, with a very good agreement for the 8 high-risk HPV genotypes (95%; kappa value: 0.894, 95% CI: 0.805-0.984) and for HPV16 and HPV18 (96%; kappa value: 0.899, 95% CI: 0.802-0.996). HPV16 was the most frequent HPV genotype by EasyChip HPV blot. The odds ratio of HPV16/18 for high-grade cervical intraepithelial neoplasia was 11.25 (95% CI: 3.93-32.31). CONCLUSIONS EasyChip HPV blot is a reliable HPV genotyping assay that can be used for HPV assay validation or clinical HPV studies.
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Affiliation(s)
- Yi-Ju Amy Chen
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas; Obstetrics and Gynecology Department, Bronx Lebanon Hospital Center, Bronx, New York
| | - Ching-Yu Lin
- School of Medical Laboratory Science and Biotechnology, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Jie Feng
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - David Cogdell
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Wei Zhang
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas; Department of Cancer Biology, Comprehensive Cancer Center of Wake Forest Baptist Medical Center, Winston-Salem, North Carolina
| | - Jinson Liu
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Nour Sneige
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Yun Gong
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Ming Guo
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas.
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Zou H, Sun Y, Zhang G, Tu Y, Meng X, Liu T, Ping Z, Fan X, Gao Y. Positivity and incidence of human papillomavirus in women attending gynecological department of a major comprehensive hospital in Kunming, China 2012-2014. J Med Virol 2015; 88:703-11. [PMID: 26363107 DOI: 10.1002/jmv.24377] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/08/2015] [Indexed: 11/12/2022]
Affiliation(s)
- Huachun Zou
- Kirby Institute; University of New South Wales; New South Wales Australia
| | - Yi Sun
- Department of Clinical Laboratories; The First People's Hospital of Yunnan; Province; Kunming Yunnan China
- Department of Clinical Laboratories, The Kunhua Affiliated Hospital; Kunming; University of Science and Technology; Kunming Yunnan China
| | - Guiqian Zhang
- Department of Clinical Laboratories; The First People's Hospital of Yunnan; Province; Kunming Yunnan China
- Department of Clinical Laboratories, The Kunhua Affiliated Hospital; Kunming; University of Science and Technology; Kunming Yunnan China
| | - Yuanquan Tu
- Yunan Kunming Blood Center; Kuming Yunnan China
| | - Xiaojun Meng
- Wuxi Center for Disease Control and Prevention; Wuxi Jiangsu China
| | - Tieniu Liu
- Huainan First People's Hospital, Huainan; Anhui China
| | - Zhuxian Ping
- Department of Clinical Laboratories; The First People's Hospital of Yunnan; Province; Kunming Yunnan China
- Department of Clinical Laboratories, The Kunhua Affiliated Hospital; Kunming; University of Science and Technology; Kunming Yunnan China
| | - Xin Fan
- Department of Clinical Laboratories; The First People's Hospital of Yunnan; Province; Kunming Yunnan China
- Department of Clinical Laboratories, The Kunhua Affiliated Hospital; Kunming; University of Science and Technology; Kunming Yunnan China
| | - Yuhong Gao
- Department of Clinical Laboratories; The First People's Hospital of Yunnan; Province; Kunming Yunnan China
- Department of Clinical Laboratories, The Kunhua Affiliated Hospital; Kunming; University of Science and Technology; Kunming Yunnan China
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Baloch Z, Yuan T, Wang B, Tai W, Feng Y, Liu Y, Li X, Feng Y, Liu L, Zhang AM, Wu X, Xia X. Ethnic and geographic variations in HPV prevalence and genotype distribution in north-western Yunnan, China. J Med Virol 2015; 88:532-40. [PMID: 26266484 DOI: 10.1002/jmv.24352] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/07/2015] [Indexed: 11/09/2022]
Abstract
The prevalence and genotype distribution of human papillomavirus (HPV) vary throughout the world. To assess the prevalence and genotype distribution of HPV among three ethnic groups in two geographic locations in north-western Yunnan, we recruited 522 women in Shangri-le (n = 255) and Lijiang (n = 267). PCR amplification of HPV DNA was performed on cervical cells from these women using two consensus primer systems (MY09/11 and GP5/6). Amplified-HPV DNA was genotyped using the HPV GenoArray test. Geographically, the HPV prevalence was significantly higher (P = 0.002) among Shangri-le women than among Lijiang women. Infections with high-risk (HR)-HPV and with multiple HPV genotypes were also significantly more common (P = 0.001) among women in Shangri-le than women in Lijiang. Additionally, the prevalence of overall, HR-HPV, and single genotype HPV infections was significantly higher (P = 0.001) among Tibetan women than among Naxi and Han women. HPV-16 and HPV-33 were significantly more frequent in Shangri-le women compared with Lijiang (P = 0.006) women. In addition, HPV-16 (9.81%) and HPV-33 (5.88%) were significantly more prevalent in Tibetan women than in Naxi and Han women. Here, for the first time, we highlight the significant variation in the prevalence and genotype distribution of HPV in various populations in the north-western region of Yunnan Province.
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Affiliation(s)
- Zulqarnain Baloch
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China.,Research Center for Molecular Medicine, Kunming, 650500, China
| | - Tao Yuan
- First Hospital, Yunnan Province, Kunming, 650034, China
| | - Binghui Wang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China.,Research Center for Molecular Medicine, Kunming, 650500, China
| | - Wenlin Tai
- Second Affiliated Hospital, Kunming Medical University, Kunming, 650101, China
| | - Yue Feng
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China.,Research Center for Molecular Medicine, Kunming, 650500, China
| | - Yanqing Liu
- First Hospital, Yunnan Province, Kunming, 650034, China
| | - Xiao Li
- First Hospital, Yunnan Province, Kunming, 650034, China
| | - Yue Feng
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China.,Research Center for Molecular Medicine, Kunming, 650500, China
| | - Li Liu
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China.,Research Center for Molecular Medicine, Kunming, 650500, China
| | - A-mei Zhang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China.,Research Center for Molecular Medicine, Kunming, 650500, China
| | - Xiaomei Wu
- First Hospital, Yunnan Province, Kunming, 650034, China
| | - Xueshan Xia
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China.,Research Center for Molecular Medicine, Kunming, 650500, China
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Zhang L, Lin Y, Li JK. Concordance in cervical HPV detection between hybrid capture 2 and HPV GenoArray tests. Asian Pac J Cancer Prev 2015; 15:4465-6. [PMID: 24969870 DOI: 10.7314/apjcp.2014.15.11.4465] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
HPV type-specific detection may promote cervical screening program and vaccination development worldwide. We conduct a study comparing HPV Hybrid capture II (HC II) Test and Hybribio GenoArray test, a newly developed HPV type-specific assay, in patients with cervical epithelial neoplasm. Results showed a good concordance in cervical HPV detection between two tests (kappa value 0.80, p<0.05, McNemar test). Our study may promote utilization of type-specific HPV detection that is helpful for cervical cancer screening and vaccination.
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Affiliation(s)
- Li Zhang
- Department of Gynecology and Obstetrics, West China Second Hospital, Sichuan University, Chengdu, Sichuan, China E-mail :
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37
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Leung TW, Liu SS, Leung RCY, Chu MMY, Cheung ANY, Ngan HYS. HPV 16 E2 binding sites 1 and 2 become more methylated than E2 binding site 4 during cervical carcinogenesis. J Med Virol 2015; 87:1022-33. [PMID: 25648229 DOI: 10.1002/jmv.24129] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/28/2014] [Indexed: 02/01/2023]
Abstract
E2 protein binding to the four E2 binding sites (E2BSs) at the long control region of Human Papillomavirus (HPV) 16/18 genome may exert either transcriptional activation/repression on E6 and E7 oncoproteins. Methylation status at the E2BSs may affect the relative binding of E2 protein to them. In this study, methylation percentage at E2BS 1, 2 (promoter-proximal), and 4 (promoter-distal) were assessed by pyrosequencing and compared among HPV 16/18-positive cervical cancer, high-grade, and low-grade Cervical Intraepithelial Neoplasia, Atypical Squamous Cells of Undetermined Significance, and normal cervical epithelium. HPV 16 E2BS1&2 were more methylated than HPV 16 E2BS4 in cervical cancer whereas in cervical premalignant lesions and normal epithelium, HPV 16 E2BS1&2 were less methylated than HPV 16 E2BS4. HPV 18 E2BS1&2 remained more methylated than E2BS4 in all histological groups. HPV 16 E2BS1&2 methylation increased from high-grade lesions to cervical cancer (P < 0.001). HPV 16 E2BS4 methylation increased from low-grade to high-grade premalignant lesions (P = 0.041). Both HPV 18 E2BS1&2 and E2BS4 methylation increased from low-grade to high-grade Cervical Intraepithelial Neoplasia (P = 0.019 and 0.001 respectively) and further increased form high-grade lesions to cervical cancer (P < 0.001 and 0.005 respectively). Conclusively, HPV 16 E2BS1&2 (for transcriptional repression of E6/E7 oncoproteins) became more heavily methylated than E2BS4 (for transcriptional activation of E6/E7) in cervical cancer, favouring the differential binding of E2 protein to E2BS4. Increasing methylation at HPV 16/18 E2BSs are potentially useful adjunctive molecular markers for predicting progression from low-grade to high-grade cervical premalignant lesions and from high-grade lesions to cervical cancer.
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Affiliation(s)
- Tsin-Wah Leung
- Department of Obstetrics & Gynaecology, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, China
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Xu Y, Liu S, Yi H, Wang J, Dong P, Li X, Yin S. Human papillomavirus infection in 674 Chinese patients with laryngeal squamous cell carcinoma. PLoS One 2014; 9:e115914. [PMID: 25536405 PMCID: PMC4275260 DOI: 10.1371/journal.pone.0115914] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2014] [Accepted: 11/30/2014] [Indexed: 01/02/2023] Open
Abstract
Objectives Previous reports suggest a strong association between human papillomavirus (HPV) and the etiology of laryngeal squamous cell carcinoma (LSCC). However, clinical data regarding the HPV infection rate among LSCC patients remain largely inconsistent. Methods In total, 674 LSCC patients from three major hospitals in Shanghai were enrolled in this study. We determined the patients' HPV infection status using immunohistochemistry and the GenoArray HPV genotyping assay and calculated their long-term survival rate using the Kaplan-Meier method. Results The total P16-positive rate according to immunostaining results was 7.57% (51/674). None of the P16-negative patients were HPV-positive according to the HPV genotyping test. The rate of HPV infection among patients with LSCC was 4.9% (33/674). HPV infection was more common among nonsmokers (P<0.05), nondrinkers (P<0.05), and patients with supraglottic LSCC (P<0.05). Of the 33 HPV-positive patients, 28 (84.8%) were infected with HPV-16, 2 with HPV-18, 1 with HPV-31, 1 with HPV-33 and 1 with HPV-45. The 3-year overall survival rate and progression-free survival rate were higher in HPV-positive than HPV-negative patients, but the difference was not statistically significant (76.3% vs. 70.7%, P = 0.30 and 65.1% vs. 58.3%, P = 0.37, respectively). Conclusion HPV was not a main causal factor in LSCC carcinogenesis in this Chinese population. HPV infection did not alter patients' overall survival or progression-free survival rates in this study.
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Affiliation(s)
- Yanan Xu
- Department of Otolaryngology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
- Department of Head and Neck Surgery, Renji Hospital of Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Otolaryngological Institute of Shanghai Jiaotong University, Shanghai, China
| | - Suru Liu
- Department of Otolaryngology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
- Otolaryngological Institute of Shanghai Jiaotong University, Shanghai, China
| | - Hongliang Yi
- Department of Otolaryngology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
- Otolaryngological Institute of Shanghai Jiaotong University, Shanghai, China
| | - Jiadong Wang
- Department of Head and Neck Surgery, Renji Hospital of Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Otolaryngological Institute of Shanghai Jiaotong University, Shanghai, China
- * E-mail: (SY); (JW); (PD)
| | - Pin Dong
- Department of Otolaryngology Head and Neck Surgery, Shanghai Jiao Tong University Affiliated First People's Hospital, Shanghai, China
- Otolaryngological Institute of Shanghai Jiaotong University, Shanghai, China
- * E-mail: (SY); (JW); (PD)
| | - Xiaoyan Li
- Department of Otolaryngology Head and Neck Surgery, Children's Hospital Affiliated to Shanghai Jiaotong University, Shanghai, China
| | - Shankai Yin
- Department of Otolaryngology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
- Otolaryngological Institute of Shanghai Jiaotong University, Shanghai, China
- * E-mail: (SY); (JW); (PD)
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39
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Comparison of Hybribio GenoArray and Roche human papillomavirus (HPV) linear array for HPV genotyping in anal swab samples. J Clin Microbiol 2014; 53:550-6. [PMID: 25502520 DOI: 10.1128/jcm.02274-14] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Human papillomavirus (HPV) is causally associated with anal cancer, as HPV DNA is detected in up to 90% of anal intraepithelial neoplasias and anal cancers. With the gradual increase of anal cancer rates, there is a growing need to establish reliable and clinically relevant methods to detect anal cancer precursors. In resource-limited settings, HPV DNA detection is a potentially relevant tool for anal cancer screening. Here, we evaluated the performance of the Hybribio GenoArray (GA) for genotyping HPV in anal samples, against the reference standard Roche Linear Array (LA). Anal swab samples were obtained from sexually active men who have sex with men. Following DNA extraction, each sample was genotyped using GA and LA. The overall interassay agreement, type-specific, and single and multiple genotype agreements were evaluated by kappa statistics and McNemar's χ(2) tests. Using GA and LA, 68% and 76% of samples were HPV DNA positive, respectively. There was substantial interassay agreements for the detection of all HPV genotypes (κ = 0.70, 86% agreement). Although LA was able to detect more genotypes per sample, the interassay agreement was acceptable (κ = 0.53, 63% agreement). GA had poorer specific detection of HPV genotypes 35, 42, and 51 (κ < 0.60). In conclusion, GA and LA showed good interassay agreement for the detection of most HPV genotypes in anal samples. However, the detection of HPV DNA in up to 76% of anal samples warrants further evaluation of its clinical significance.
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40
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From Human Papillomavirus (HPV) Detection to Cervical Cancer Prevention in Clinical Practice. Cancers (Basel) 2014; 6:2072-99. [PMID: 25279452 PMCID: PMC4276957 DOI: 10.3390/cancers6042072] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2014] [Revised: 09/25/2014] [Accepted: 09/25/2014] [Indexed: 01/09/2023] Open
Abstract
The newly gained knowledge of the viral etiology in cervical carcinogenesis has prompted industrial interests in developing virology-based tools for cervical cancer prevention. Due to the long incubation period from viral infection to developing an invasive cancer, a process whose outcome is influenced by numerous life-style and genetic factors, the true efficacy of the genotype-specific human papillomavirus (HPV) vaccines in cervical cancer prevention cannot be determined for another 30 years. Most HPV DNA test kits designed to replace the traditional Papanicolaou (Pap) smears for precancer detection lack the analytical sensitivity and specificity to comprehensively detect all potentially carcinogenic HPVs and to perform reliable genotyping. The authors implemented the classic nested PCR and Sanger DNA-sequencing technology for routine HPV testing. The results showed a true negative HPV PCR invariably indicates the absence of precancerous cells in the cytology samples. However, 80.5% of single positive HPV-16 tests and 97.3% of single positive HPV-18 tests were associated with a negative or a largely self-reversible Pap cytology. Routine sensitive and reliable HPV type-specific or perhaps even variant-specific methods are needed to address the issues of persistence of HPV infection if a virology-based primary cervical screen is used to replace the Pap cytology screening paradigm.
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Prevalence and Genotypes of HPV in Female Renal Transplant Recipients in North India. Int J Gynecol Pathol 2014; 33:537-42. [DOI: 10.1097/pgp.0b013e3182a54ada] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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42
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Xu Y, Liu S, Yi H, Wang J, Luo Y, Yin S. Low prevalence of human papillomavirus in head and neck squamous cell carcinoma in Chinese patients. J Med Virol 2014; 87:281-6. [PMID: 25156555 DOI: 10.1002/jmv.24052] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/27/2014] [Indexed: 12/28/2022]
Affiliation(s)
- Yanan Xu
- Department of Otorhinolaryngology; Shanghai Jiao Tong University Affiliated Sixth People's Hospital; Shanghai China
- Department of Head and Neck Surgery; Renji Hospital of Shanghai Jiaotong University School of Medicine; Shanghai China
- Otolaryngological Institute of Shanghai Jiaotong University; Shanghai China
| | - Suru Liu
- Department of Otorhinolaryngology; Shanghai Jiao Tong University Affiliated Sixth People's Hospital; Shanghai China
- Otolaryngological Institute of Shanghai Jiaotong University; Shanghai China
| | - Hongliang Yi
- Department of Otorhinolaryngology; Shanghai Jiao Tong University Affiliated Sixth People's Hospital; Shanghai China
- Otolaryngological Institute of Shanghai Jiaotong University; Shanghai China
| | - Jiadong Wang
- Department of Head and Neck Surgery; Renji Hospital of Shanghai Jiaotong University School of Medicine; Shanghai China
- Otolaryngological Institute of Shanghai Jiaotong University; Shanghai China
| | - Yanli Luo
- Department of Pathology; Shanghai Jiao Tong University Affiliated Sixth People's Hospital; Shanghai China
| | - Shankai Yin
- Department of Otorhinolaryngology; Shanghai Jiao Tong University Affiliated Sixth People's Hospital; Shanghai China
- Otolaryngological Institute of Shanghai Jiaotong University; Shanghai China
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Zhang DY, Yin YP, Feng TJ, Hong FC, Jiang N, Wang BX, Chen XS. HPV infections among MSM in Shenzhen, China. PLoS One 2014; 9:e96364. [PMID: 24801331 PMCID: PMC4011743 DOI: 10.1371/journal.pone.0096364] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2013] [Accepted: 04/04/2014] [Indexed: 12/14/2022] Open
Abstract
Background An increasing incidence of anal cancer among men, especially men who have sex with men (MSM) suggests a need to better understand anal human papillomavirus (HPV) infection among this group. Methods A cross-sectional study was conducted among MSM in Shenzhen, China. Blood was collected for HIV serological testing and syphilis serological screening, and anal swabs were collected for HPV genotyping. Difference of HPV prevalence between HIV seropositive and HIV seronegative MSM was assessed by chi-square test. Factors associated with anal canal HPV infection were assessed by univariate and multivariate logistic regression. Results A total of 408 MSM were recruited. HIV and HPV prevalence were 6.9% and 36.4%, respectively. HPV was detected in the anal canal in 71.4% of the HIV-positive MSM and in 33.8% of the HIV-negative MSM (P<0.001). Oncogenic types were seen more often in anal specimens of HIV-positive MSM than in specimens of HIV-negative MSM (P = 0.001). The HPV genotypes detected most frequently were HPV06 (8.2%), HPV16 (7.2%), HPV11 (6.4%), HPV18 (4.7%), HPV58 (4.7%), and HPV52 (4.2%). Conclusions In this study, HIV positive MSM had a higher burden of HPV infection, especially oncogenic HPV infection. HPV types 52 and 58 were as popular as those types designed for the currently available vaccine (HPV6, 11, 16, 18).
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Affiliation(s)
- Dong-Yan Zhang
- Chinese Academy of Medical Sciences and Peking Union Medical College Institute of Dermatology, Nanjing, China
| | - Yue-Ping Yin
- Chinese Academy of Medical Sciences and Peking Union Medical College Institute of Dermatology, Nanjing, China
- National Center for STD Control, China CDC, Nanjing, China
| | - Tie-Jian Feng
- Shenzhen Center for Chronic Disease Control and Prevention, Shenzhen, China
| | - Fu-Chang Hong
- Shenzhen Center for Chronic Disease Control and Prevention, Shenzhen, China
| | - Ning Jiang
- Chinese Academy of Medical Sciences and Peking Union Medical College Institute of Dermatology, Nanjing, China
- National Center for STD Control, China CDC, Nanjing, China
| | - Bao-Xi Wang
- Chinese Academy of Medical Sciences and Peking Union Medical College Institute of Dermatology, Nanjing, China
- National Center for STD Control, China CDC, Nanjing, China
| | - Xiang-Sheng Chen
- Chinese Academy of Medical Sciences and Peking Union Medical College Institute of Dermatology, Nanjing, China
- National Center for STD Control, China CDC, Nanjing, China
- * E-mail:
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Abstract
Evaluation of the Cobas 4800 test demonstrated that Cobas had a low rate of cross-reactivity with low-risk human papillomavirus (lrHPV), a 3.74% disconcordance rate between prealiquots and postaliquots, and failure rates of 4.57% and 1.16%, respectively, after vortexing and swirling. This study demonstrated that the Cobas test has good sensitivity, accuracy, and reproducibility for detecting 14 high-risk HPV (hrHPV) genotypes.
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45
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Evaluation of HPV GenoBlot Assay for screening and genotyping of human papillomavirus. BIOCHIP JOURNAL 2014. [DOI: 10.1007/s13206-014-8110-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Poljak M, Kocjan BJ. Commercially available assays for multiplex detection of alpha human papillomaviruses. Expert Rev Anti Infect Ther 2014; 8:1139-62. [DOI: 10.1586/eri.10.104] [Citation(s) in RCA: 94] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Yao T, Rao Q, Liu L, Zheng C, Xie Q, Liang J, Lin Z. Exploration of tumor-suppressive microRNAs silenced by DNA hypermethylation in cervical cancer. Virol J 2013; 10:175. [PMID: 23732000 PMCID: PMC3674919 DOI: 10.1186/1743-422x-10-175] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2013] [Accepted: 05/29/2013] [Indexed: 02/02/2023] Open
Abstract
Background Multiple studies proved that miRNAs have a causal role in tumorigenesis. Some miRNAs are regulated by epigenetic alterations in their promoter regions and can be activated by chromatin- modifying drugs. Methods We treated cervical cancer cells with 5-aza-2’-deoxycytidine and get a microarray analysis. Dysregulation of miRNAs was measured by qPCR in cervical cell lines and methylation status of them in cervical cancer tissue were performed with MeDIP-qPCR assay. Results We found hypermethylation of miR-432, miR-1286, miR-641, miR-1290, miR-1287 and miR-95 may have some relationship with HPV infection in cervical cell lines. In primary tumors of cervix with paired normal tissue, expression levels of miRNAs were inversely correlated with their DNA methylation status in the cervical cancer cell lines treated with 5-AZA. Conclusions Our results indicate that miRNAs might play a role in the pathogenesis of human cervical cancer with HPV and identify altered miRNA methylation as a possible epigenetic mechanism involved in their aberrant expression.
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Affiliation(s)
- Tingting Yao
- Department of Gynecological Oncology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 107 Yan Jiang West Road, Guangzhou 510120, People's Republic of China.
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Association of Sexually Transmitted Infections With High-Risk Human Papillomavirus Types. Sex Transm Dis 2013; 40:493-5. [DOI: 10.1097/olq.0b013e31828b32b8] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Are the Human Papillomavirus Genotypes Different in Cervical Cancer and Intraepithelial Neoplasia in Jewish Israeli Women, a Low-Risk Population? Int J Gynecol Cancer 2013; 23:730-4. [DOI: 10.1097/igc.0b013e318288eee5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
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50
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Liao Y, Wang X, Sha C, Xia Z, Huang Q, Li Q. Combination of fluorescence color and melting temperature as a two-dimensional label for homogeneous multiplex PCR detection. Nucleic Acids Res 2013; 41:e76. [PMID: 23335787 PMCID: PMC3627564 DOI: 10.1093/nar/gkt004] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Multiplex analytical systems that allow detection of multiple nucleic acid targets in one assay can provide rapid characterization of a sample while still saving cost and resources. However, few systems have proven to offer a solution for mid-plex (e.g. 10- to 50-plex) analysis that is high throughput and cost effective. Here we describe the combined use of fluorescence color and melting temperature (Tm) as a virtual 2D label that enables homogenous detection of one order of magnitude more targets than current strategies on real-time polymerase chain reaction platform. The target was first hybridized with a pair of ligation oligonucleotides, one of which harbored an artificial sequence that had a unique Tm when hybridized with a reporter fluorogenic probe. The ligated products were then amplified by a universal primer pair and denatured by a melting curve analysis procedure. The targets were identified by their respective Tm values in the corresponding fluorescence detection channels. The proof-of-principle of this approach was validated by genotyping 15 high-risk human papillomaviruses and 48 human single-nucleotide polymorphisms. The robustness of this method was demonstrated by analyzing a large number of clinical samples in both cases. The combined merits of multiplexity, flexibility and simplicity should make this approach suitable for a variety of applications.
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Affiliation(s)
- Yiqun Liao
- Department of Translational Medicine, School of Pharmaceutical Sciences, Xiamen University, Xiamen, Fujian 361005, China
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