Article (Scientific journals)
Increase in viral load, viral integration, and gain of telomerase genes during uterine cervical carcinogenesis can be simultaneously assessed by the HPV 16/18 MLPA-assay.
Theelen, Wendy; Speel, Ernst*-Jan M; Herfs, Michael et al.
2010In American Journal of Pathology, 177 (4), p. 2022-33
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Abstract :
[en] Oncogenic human papillomavirus (HPV) infection is the most important risk factor in cervical carcinogenesis cases; high viral loads, viral integration into the host genome, and gain of the telomerase-related genes, TERT and TERC, are all factors associated with progression to cancer. A recently developed multiparameter HPV 16/18 multiplex ligation-dependent probe amplification (MLPA) assay, which allows the simultaneous assessment of these factors, was applied to a series of 67 normal and (pre)malignant frozen uterine cervical samples, as well as to 91 cytological preparations, to test the ability of the MLPA assay to identify high-risk lesions on the basis of these factors. Validation was performed using quantitative PCR, the PapilloCheck and fluorescence in situ hybridization. Only 5 out of 37 normal tissue samples or low-grade cervical lesions (ie, CIN1 and condyloma) showed either an HPV16 viral load higher than 25 copies per cell, viral integration, and/or gain of one of the telomerase-related genes, whereas for the high-grade cervical lesions, one or more of these risk factors was found in 25 of 30 cases. The HPV MLPA assay showed a sensitivity of 83% and a specificity of 86% in frozen cervical specimens. Furthermore, the feasibility of the MLPA assay was shown for cytological samples, where in 57% of high-grade squamous intraepithelial lesion cases, the high-risk factors were detected using this assay.
Research center :
GIGA‐R - Giga‐Research - ULiège
Disciplines :
Immunology & infectious disease
Oncology
Author, co-author :
Theelen, Wendy;  Departments of Molecular Cell Biology, > GROW - School for Oncology and Developmental Biology, Maastricht University Medical Center, Maastricht, The Netherlands
Speel, Ernst*-Jan M;  Departments of Molecular Cell Biology, > GROW - School for Oncology and Developmental Biology, Maastricht University Medical Center, Maastricht, The Netherlands
Herfs, Michael ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Anatomie et cytologie pathologiques
Reijans, Martin
Simons, Guus
Meulemans, Els V
Baldewijns, Marcella M
Ramaekers, Frans C S
Somja, Joan ;  Centre Hospitalier Universitaire de Liège - CHU > Anatomie pathologique
Delvenne, Philippe ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Anatomie et cytologie pathologiques
Hopman, Anton H N
Language :
English
Title :
Increase in viral load, viral integration, and gain of telomerase genes during uterine cervical carcinogenesis can be simultaneously assessed by the HPV 16/18 MLPA-assay.
Publication date :
2010
Journal title :
American Journal of Pathology
ISSN :
0002-9440
eISSN :
1525-2191
Publisher :
American Society for Investigative Pathology, Bethesda, United States - Maryland
Volume :
177
Issue :
4
Pages :
2022-33
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 25 November 2010

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