WIF-1 gene methylation in cervical squamous intraepithelial lesions


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Resumo

Objective. To evaluate the diagnostic value of WIF-1 gene promoter region methylation in the development of cervical intraepithelial neoplasia. Subjects and methods. The investigation included 62patients aged 18 to 55 years who had come to the Research Center of Obstetrics, Gynecology, and Perinatology, Ministry of Health of the Russian Federation, in the period February to August 2016 for examination and undergone liquid-based cytology, quantitative and qualitative tests for human papillomavirus (HPV), histological examination of cervical biopsy specimens, and extended colposcopy. Bisulfite sequencing was used to study the level of WIF-1 promoter methylation in 62 samples of cells taken from the cervical canal with a cervix brush. Results. The normal mean level of WIF-1 promoter region methylation was 2.3±5.4%. The women diagnosed with high- or low-grade squamous intraepithelial lesions were observed to have a more statistically significant than normal value (p < 0.0001), abnormal WIF-1 gene promoter region hypermethylation at mean frequencies of 29.2±17.2and 54.8±18.7%, respectively. Conclusion. The findings suggest that the level of WIF-1 gene promoter region methylation significantly correlates with the stage of HPV-associated cervical disease. Thus, evaluation of the WIF-1 gene methylation status may be regarded as a potential diagnostic marker for cervical carcinogenesis and a predictive clinical marker during combination treatment for cervical cancer.

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Sobre autores

Gennady Sukhikh

Research Center of Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia

Email: g_sukhikh@oparina4.ru
Doctor of Medical Sciences, Professor, Academician of the Russian Academy of Sciences, Director

Lev Ashrafyan

Russian Research Center of Roentgenology and Radiology, Ministry of Health of Russia

Doctor of Medical Sciences, Honored Doctor of the Russian Federation, Professor, Head of the Laboratory of Combined Methods for the Treatment of Gynecological Diseases

Gyuldana Bairamova

Research Center of Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia

Email: g_bairamova@oparina4.ru
doctor of medical sciences, head of the clinical work of the scientific and polyclinic department of the Clinical Department

Irina Babkina

D. Rogachev Federal Research Clinical Center of Pediatric Hematology, Oncology, and Immunology, Ministry of Health of Russia

Email: iobabkina@gmail.com
laboratory assistant-researcher of the laboratory of infectious immunology

Viktoria Chernova

Research Center of Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia

Email: v_chernova@oparina4.ru
post-graduate student of the polyclinic department

Andrey Osipyants

D. Rogachev Federal Research Clinical Center of Pediatric Hematology, Oncology, and Immunology, Ministry of Health of Russia

Email: osssip@gmail.com
researcher, Laboratory of Biochemistry and Enzymology

Anna Korolkova

Research Center of Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia

Email: zaikinaai@icloud.com
post-graduate student of the I year of training

Andrey Poloznikov

D. Rogachev Federal Research Clinical Center of Pediatric Hematology, Oncology, and Immunology, Ministry of Health of Russia

Email: andrey.poloznikov@gmail.com
Candidate of Chemical Sciences, Head of the Laboratory of Biochemistry and Enzymology

Gunay Asfarova

Research Center of Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia

Email: gunyt@mail.ru
Post-graduate student of the I year of training

Svetlana Mullabaeva

Research Center of Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia

Email: s_mullabaeva@oparina4.ru
the head of the laboratory for the collection and storage of biomaterials

Evgenia Kogan

I.M. Sechenov First Moscow State Medical University

Email: expedition@mma.ru
Doctor of Medical Sciences, Professor, Academician A.I. Strukov Department of Pathological Anatomy

Ekaterina Muizhnek

ZAO “MiraxBioFarma”

Email: MuyzhnekEL@ilmixgroup.ru
Candidate of Biological Sciences, Director for Science

Vadim Drukh

Peoples’ Friendship University of Russia

Email: druhvm@gmail.com
Candidate of Medical Sciences, Head of Scientific Projects, Institute of Biomedical Problems

Vsevolod Kiselev

Russian Research Center of Roentgenology and Radiology, Ministry of Health of Russia

Email: vkisl0@mail.ru
Doctor of Biological Sciences, Professor, Corresponding Member. RAS, Chief Scientific Officer of the Research Department of Early Carcinogenesis, Prevention, Diagnosis and Comprehensive Treatment of Oncological Diseases of Female Reproductive Organs

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