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Успехи молекулярной онкологии

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Генетические и эпигенетические механизмы регуляции вирусов папиллом человека

https://doi.org/10.17650/2313-805X.2016.3.2.18-25

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Аннотация

Инфекция вирусом папиллом человека (human papillomavirus, HPV) высокого канцерогенного риска является этиологическим фактором некоторых видов опухолей аногенитальной области и опухолей головы и шеи. Многочисленные эпидемиологические исследования показали связь длительно персистирующей инфекции HPV высокого канцерогенного риска с последующим развитием рака шейки матки и опухолей других локализаций. Экспериментальные данные с использованием цервикальных клеточных моделей и клинических образцов опухолей шейки матки продемонстрировали, что более чем в 99 % клинических образцов рака шейки матки вирусные онкогены Е6 и Е7 сохраняются и экспрессируются. Вирусные онкогены могут трансформировать кератиноциты в экспериментах in vitro; их ингибирование приводит к подавлению неопластического роста клеток. Молекулярные механизмы иммортализации и трансформации вирусными онкогенами Е6 и Е7 достаточно хорошо исследованы. Однако остаются неясными механизмы дерегуляции экспрессии вирусных онкогенов, приводящие к переходу от продуктивного вирусного цикла к трансформации плоскоклеточного эпителия. В настоящем обзоре описано современное представление о продуктивном вирусном цикле и обсуждаются потенциальные молекулярные механизмы, вызывающие инициацию процесса трансформации нормального эпителия в неопластические предраковые поражения. Выяснение молекулярных механизмов, необходимых для неопластической трансформации HPV-инфицированных нормальных клеток в опухолевые, может предоставить основу для концептуально новых терапевтических подходов лечения HPV-ассоциированных опухолей.

Об авторе

С. В. Винокурова
НИИ канцерогенеза ФГБУ «РОНЦ им. Н. Н. Блохина» Минздрава России; Россия, 115478, Москва, Каширское шоссе, 24
Россия


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Для цитирования:


Винокурова С.В. Генетические и эпигенетические механизмы регуляции вирусов папиллом человека. Успехи молекулярной онкологии. 2016;3(2):18-25. https://doi.org/10.17650/2313-805X.2016.3.2.18-25

For citation:


Vinokurova S.V. Genetic and epigenetic mechanisms of regulation of human papillomavirus. Advances in molecular oncology. 2016;3(2):18-25. (In Russ.) https://doi.org/10.17650/2313-805X.2016.3.2.18-25

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ISSN 2313-805X (Print)
ISSN 2413-3787 (Online)