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Сухаренко Е. В., Недзвецкий В. С. Влияние сублетальных концентраций неорганической ртути на экспрессию белков RPA1 и Р53 головного мозга радужной форели (Oncorhynchus Mykiss) // Труды Карадагской научной станции им. Т.И. Вяземского - природного заповедника РАН. 2020. № 3 (15). С. 81-91. https://doi.org/10.21072/eco.2021.15.07

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Аннотация

Исследование проводили с использованием в качестве тест-объекта радужной форели, подвергнутой воздействию неорганической ртути в концентрациях 25% ЛК50 и 50% ЛК50 в течение 2 и 7 дней. Полученные результаты показали, что снижение уровня белка р53 сопровождается повышением уровня протеина RPA1 в головном мозге рыб, обитающих в среде с сублетальными концентрациями препарата. Повышенная экспрессия RPA1 может быть одним из критических факторов клеточной адаптации при стрессе в головном мозге радужной форели, вызванном неорганической ртутью. Полученные результаты позволяют предположить, что Hgиндуцированная генерация АФК связана с модуляцией экспрессии как р53, так и RPA1 при клеточном ответе на цитотоксическое действие ртути. Снижение содержания протеина р53 и повышение уровня белка RPA1 в тканях головного мозга рыб под воздействием неорганической ртути установлено впервые. Выявленная регуляция белка RPA1 может служить частью клеточного ответа на разрывы ДНК, вызванные ионами неорганической ртути.

Авторы

Е. В. Сухаренко

доктор биологических наук, доцент, профессор кафедры водных биоресурсов и марикультуры

В. С. Недзвецкий

доктор биологических наук, профессор, профессор кафедры молекулярной биологии и генетики

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