The role of electron microscopy of ejaculate in the diagnosis of infertility associated with human papillomavirus infection

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Abstract

Introduction. The problem of male infertility is multifactorial. However, in recent years, the question of the involvement of viruses, in particular human papillomaviruses (HPV), in the development of this condition has been actively discussed.

Purpose of the study. To study the role of ejaculate electron microscopy in the diagnosis of infertility associated with human papillomavirus infection.

Materials and methods: The analysis of the results of electron microscopic examination of the ejaculate in 51 patients aged 22 to 40 years (mean age 32.3 ± 6.4) with a diagnosis of infertility and pathospermia, combined with human papillomavirus infection (PVI), but with the absence of other risk factors, was carried out.

Results: Various variants of pathozoospermia were found in the ejaculate: asthenozoospermia (35.3%), asthenoteratazoospermia (31.4%), oligoasthenoteratazoospermia (19.6%), oligoasthenozoospermia (13.7%). Among the studied HPV types of high oncogenic risk prevailed (16, 18). More often (88.2%), HPV was registered as part of associations with dominance of types 16 and/or 18 and 33, as well as types 18 and 33. In electron microscopy, in 80.3% of cases, HPV was fixed on spermatozoa with localization on the acrosome (76.4%) and in the sperm plasma (52.9%).

Conclusions: PVI, regardless of the type of HPV and the localization of virions on spermatozoa, significantly impairs the progressive motility and morphology of spermatozoa. The electron microscopy method allows not only to detect HPV in the ejaculate, but also to clarify its localization on the spermatozoon and determine those negative changes in the spermatozoon that are caused by the virus.

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About the authors

Kh. S. Ibishev

Rostov State Medical University, Ministry of Health of the Russian Federation

Author for correspondence.
Email: Ibishev22@mail.ru
ORCID iD: 0000-0002-2954-842X

Doctor of Medical Sciences, Professor of the Department of Urology and Human Reproductive Health (with a course of pediatric urology and andrology)

Russian Federation, Rostov-on-Don

E. A. Sinelnik

GBU RO OKB № 2

Email: 127pao.ob2@mail.ru
ORCID iD: 0000-0002-2201-5065

Assistant of the Department of Pathological Anatomy; Head of the pathology department; A doctor of the highest category

Russian Federation, Rostov-on-Don

G. A. Magomedov

Rostov State Medical University, Ministry of Health of the Russian Federation

Email: magomed544@mail.ru
ORCID iD: 0000-0003-4859-5085

postgraduate student of the Department of Urology and Human Reproductive Health (with a course of Pediatric Urology-Andrology)

Russian Federation, Rostov-on-Don

I. A. Gudima

Rostov State Medical University, Ministry of Health of the Russian Federation

Email: naguirina22@gmail.com
ORCID iD: 0000-0003-0995-7848

M.D., Dr.Sc.(Med), Assoc.prof. (Docent); prof., Dept. of Microbiology and Virology No.1

Russian Federation, Rostov-on-Don

E. G. Zhuravleva

Rostov State Medical University, Ministry of Health of the Russian Federation

Email: cat.zhurawlewa2013@yandex.ru
ORCID iD: 0000-0003-3374-2441

Resident of the Department of Hematology and Transfusiology (with a course of clinical laboratory diagnostics, Genetics and Laboratory Genetics)

Russian Federation, Rostov-on-Don

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Supplementary files

Supplementary Files
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1. JATS XML
2. Fig.1. Types of papillomaviruses verified in ejaculate

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3. Fig.2. Localization of the virus capsid on the acrosome

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4. Fig.3. Localization of the virus capsid on epithelial cells in sperm plasma

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5. Fig.4. The structure of the constituents of the spermatozoon most often damaged by HPV

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6. Fig.5. Abnormal deformed acrosome

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