Diagnosis of squamous intraepithelial lesions and cervical cancer based on the quantitative assessment of microRNA expression

Chernova V.F., Karnaukhov V.N., Faizullin L.Z., Bairamova G.R., Kogan E.A., Mzarelua G.M., Nazarova N.M., Kozachenko A.V., Trofimov D.Yu., Prilepskaya V.N., Sukhikh G.T.

1Research Center of Obstetrics, Gynecology, and Perinatology, Ministry of Health of Russia, Moscow 117997, Ac. Oparina str. 4, Russia 2I.M. Sechenov First Moscow State Medical University, Moscow 119991, Bolshaya Pirogovskaya st. 2-4, Russia
Objective. To estimate the possibility of differential diagnosis of the severity of cervical squamous intraepithelial lesions on the basis of quantitative assessment of microRNA expression: has-mir-22-3p, has-mir-25*-3p, and has-mir-92a-5p in cervical epithelial scrapings.
Subjects and methods. The investigation enrolled 95 women aged 18 to 49 years (mean age, 32.7±0.5 years) who were divided into 4 groups: 1) 32 patients without cervical disease; 2) 31 patients with low-grade squamous intraepithelial lesion; 3) 26 patients with high-grade squamous intraepithelial lesion; 4) 6 patients with cervical cancer. For a clinical diagnosis, cytological and histological examinations, extended colposcopy, and HPV testing were used and the level of microRNA expression was measured by quantitative real-time PCR.
Results. In cervical squamous intraepithelial lesions, the synthesis of mir-22 was considerably decreased and the expression of mir-92a was, on the contrary, increased. The expression of mir-25 was elevated insignificantly. A logistic regression analysis could reveal the mir-22 and mir-92a expression thresholds that allowed the differentiation of cervical cancer with a diagnostic accuracy of more than 80% in both patients without visible abnormalities and those with squamous intraepithelial lesions.
Conclusion. Along with traditional methods, the investigation permits the expression level of miRNAs, mir-22, and mir-92a to be considered as an informative molecular marker to predict the extent of involvement of the cervical epithelium in pre-cancer and cancer of the cervix uteri.

Keywords

cervical intraepithelial neoplasia
squamous intraepithelial lesions
cervical cancer
mir-22
mir-25
mir-92a
expression

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Received 10.04.2017

Accepted 28.04.2017

About the Authors

Viktoria Chernova, PhD student of the Research Center of Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia. 117997, Russia, Moscow, Ac. Oparina 4
Vitaly Nikolaevich Karnaukhov, Junior Researcher, Laboratory of Molecular Genetic Methods, Research Center of Obstetrics, Gynecology and Perinatology,
Ministry of Health of Russia. 117997, Russia, Moscow, Ac. Oparina 4. Tel.: +79167106789. E-mail: v_karnauhov@oparina4.ru
Fayzullin Leonid Zakievich, Cand. Sc. (Biology), Leading Researcher, Laboratory of Molecular Genetic Methods, Research Center of Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia. 117997, Russia, Moscow, Ac. Oparina 4. Tel.: +79167106789. E-mail: l_faizullin@oparina4.ru
Bayramova Guldana Raufovna, doctor of medical sciences, head of the clinical work of the scientific and polyclinic department, Research Center of Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia. 117997, Russia, Moscow, Ac. Oparina 4. Tel.: +79099947700. E-mail: g_bairamova@oparina4.ru
Kogan Evgenia Aleksandrovna, MD, Professor, Head of the Department of Pathological Anatomy, I.M. Sechenov First Moscow State Medical University.
119991, Russia, Moscow, Bolshaya Pirogovskaya st. 2-4. Tel.: +79265331271. E-mail: koganevg@gmail.com
Mzarelua Guranda Merabovna, graduate student of the Research Center of Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia.
117997, Russia, Moscow, Ac. Oparina 4. Tel.: +74954381403. E-mail: mzareluag@mail.ru
Nazarova Niso Mirzoevna, doctor of medical sciences, leading researcher of the scientific and polyclinic department, Research Center of Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia. 117997, Russia, Moscow, Ac. Oparina 4. Tel.: +74954381403. E-mail: n_nazarova@oparina4.ru
Kozachenko Andrey Vladimirovich, leading research assistant of the gynecological department, Research Center of Obstetrics, Gynecology and Perinatology,
Ministry of Health of Russia. 117997, Russia, Moscow, Ac. Oparina 4. Tel.: +74954387783. E-mail: a_kozachenko@oparina4.ru
Dmitriy Trofimov, Doctor of Biological Sciences, Head of the Laboratory of Molecular Genetic Methods, Research Center of Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia. 117997, Russia, Moscow, Ac. Oparina 4. Tel.: +79166144922. E-mail: d_trofimov@oparina4.ru
Prilepskaya Vera Nikolaevna, doctor of medical sciences, deputy director for science, Research Center of Obstetrics, Gynecology and Perinatology,
Ministry of Health of Russia. 117997, Russia, Moscow, Ac. Oparina 4. Tel.: +74954386934
Sukhikh Gennady Tikhonovich, Doctor of Medical Sciences, 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 4. Tel.: +74954381800. E-mail: g_sukhikh@oparina4.ru

For citations: Chernova V.F., Karnaukhov V.N., Faizullin L.Z., Bairamova G.R.,
Kogan E.A., Mzarelua G.M., Nazarova N.M., Kozachenko A.V., Trofimov D.Yu.,
Prilepskaya V.N., Sukhikh G.T. Diagnosis of squamous intraepithelial lesions and cervical cancer based on the quantitative assessment of microRNA expression.
Akusherstvo i Ginekologiya/Obstetrics and Gynecology. 2017; (9): 78-84. (in Russian)
http://dx.doi.org/10.18565/aig.2017.9.78-84

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