WIF-1 gene methylation in cervical squamous intraepithelial lesions

Sukhikh G.T., Ashrafyan L.A., Bairamova G.R., Babkina I.O., Chernova V.F., Osipyants A.I., Korolkova A.I., Poloznikov A.A., Asfarova G.R., Mullabaeva S.M., Kogan E.A., Muizhnek E.L., Drukh V.M., Kiselev V.I.

1Research Center of Obstetrics, Gynecology, and Perinatology, Ministry of Health of Russia, Moscow 117997, Ac. Oparina str. 4, Russia 2Russian Research Center of Roentgenology and Radiology, Ministry of Health of Russia, Moscow 117485, Profsoyuznaya str. 86, Russia 3D. Rogachev Federal Research Clinical Center of Pediatric Hematology, Oncology, and Immunology, Ministry of Health of Russia, Moscow 117997, GSP-7, Samora Mashela str. 1, Russia 4I.M. Sechenov First Moscow State Medical University, Ministry of Health of Russia, Moscow 119991, Trubetskaya str. 8-2, Russia 5ZAO «MiraxBioFarma», Moscow 121248, Kutuzov Ave, 12, p. 2, Russia 6Peoples’ Friendship University of Russia, Moscow 117198, Miklukho-Maklaya str. 6, Russia
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 62 patients 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±17.2 and 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.

Keywords

cervical intraepithelial neoplasia
Wnt-cascade
WIF-1 gene
DNA methylation
epigenetic modification
bisulfite sequencing

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Received 06.12.2016

Accepted 23.12.2016

About the Authors

Sukhikh Gennady Tikhonovich, Doctor of Medical Sciences, Professor, Academician of the Russian Academy of Sciences, Director of the Research Center of Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia. 117997, Russia, Moscow, Ac. Oparina str. 4. Tel.: +74954381866. E-mail: g_sukhikh@oparina4.ru
Ashrafyan Lev Andreevich, Doctor of Medical Sciences, Honored Doctor of the Russian Federation, Professor, Head of the Laboratory of Combined Methods for the Treatment of Gynecological Diseases of the Russian Research Center of Roentgenology and Radiology, Ministry of Health of Russia.
117485, Russia, Moscow, Profsoyuznaya str. 86. Tel.: +79857402745
Bayramova Gyuldana Raufovna, doctor of medical sciences, head of the clinical work of the scientific and polyclinic department of the Clinical Department, Research Center of Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia.
117997, Russia, Moscow, Ac. Oparina str. 4. Tel.: +74954381866. E-mail: g_bairamova@oparina4.ru
Babkina Irina Olegovna: laboratory assistant-researcher of the laboratory of infectious immunology, D. Rogachev Federal Research Clinical Center of Pediatric Hematology, Oncology, and Immunology, Ministry of Health of Russia.
117997, Russia, Moscow, GSP-7, Samora Mashela str. 1. Tel.: +74952876570, ext. 5509. E-mail: iobabkina@gmail.com
Chernova Viktoria Fedorovna, post-graduate student of the polyclinic department, Research Center of Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia. 117997, Russia, Moscow, Ac. Oparina str. 4. Tel.: +74954381866. E-mail: v_chernova@oparina4.ru
Osipyants Andrey Igorevich, researcher, Laboratory of Biochemistry and Enzymology, D. Rogachev Federal Research Clinical Center of Pediatric Hematology,
Oncology, and Immunology, Ministry of Health of Russia. 117997, Russia, Moscow, GSP-7, Samora Mashela str. 1. Tel.: +79032947414. E-mail: osssip@gmail.com
Korolkova Anna Igorevna, post-graduate student of the I year of training, Research Center of Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia.
117997, Russia, Moscow, Ac. Oparina str. 4. Tel.: +79153220879. E-mail: zaikinaai@icloud.com
Poloznikov Andrey Aleksandrovich, Candidate of Chemical Sciences, Head of the Laboratory of Biochemistry and Enzymology, D. Rogachev
Federal Research Clinical Center of Pediatric Hematology, Oncology, and Immunology, Ministry of Health of Russia.
117997, Russia, Moscow, GSP-7, Samora Mashela str. 1. Tel.: +74952876570, ext. 5509. E-mail: andrey.poloznikov@gmail.com
Asfarova Gunay Raisovna, Post-graduate student of the I year of training, Research Center of Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia.
117997, Russia, Moscow, Ac. Oparina str. 4. Tel.: +79262621113. E-mail: gunyt@mail.ru
Mullabaeva Svetlana Mininhaevna, the head of the laboratory for the collection and storage of biomaterials, Research Center of Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia. 117997, Russia, Moscow, Ac. Oparina str. 4. Tel.: +79153220879. E-mail: s_mullabaeva@oparina4.ru
Kogan Evgenia Aleksandrovna, Doctor of Medical Sciences, Professor, Academician A.I. Strukov Department of Pathological Anatomy, I.M. Sechenov First Moscow State Medical University, Ministry of Health of Russia. 119991, Russia, Moscow, Trubetskaya str. 8-2. Tel.: +74992480181. E-mail: expedition@mma.ru
Mouizhnek Ekaterina Leonidovna, Candidate of Biological Sciences, Director for Science, ZAO “MiraxBioFarma”.
121248, Russia, Moscow, Kutuzov Ave, 12, p. 2. Tel.: +74957212058. E-mail: MuyzhnekEL@ilmixgroup.ru
Druh Vadim Mikhailovich, Candidate of Medical Sciences, Head of Scientific Projects, Institute of Biomedical Problems, Peoples’ Friendship University of Russia.
117198, Russia, Moscow, Miklukho-Maklaya str. 6. Tel.: +74957212058. E-mail: druhvm@gmail.com
Kiselev Vsevolod Ivanovich, 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, Russian Research Center of Roentgenology and Radiology, Ministry of Health of Russia. 117485, Russia, Moscow, Profsoyuznaya str. 86. Tel.: +79857763116. E-mail: vkis10@mail.ru

For citations: Sukhikh G.T., Ashrafyan L.A., Bairamova G.R., Babkina I.O., Chernova V.F., Osipyants A.I., Korolkova A.I., Poloznikov A.A., Asfarova G.R., Mullabaeva S.M., Kogan E.A., Muizhnek E.L., Drukh V.M., Kiselev V.I. Investigation of WIF-1 gene methylation in cervical squamous intraepithelial lesions. Akusherstvo i Ginekologiya/Obstetrics and Gynecology. 2017; (5): 114-23. (in Russian)
http://dx.doi.org/10.18565/aig.2017.5.114-23

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