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0404U002546,
к.мед.н.
20-05-2004
o
The methabolism of xenobiotics - the substrates of cytochrome P450 in conditions of starvation and administration of inductors and inhibitors
Kachula Sergey Oleksandrovich,
popup.head Pentiuk Olexander Oleksiyovuch
popup.opponent Літвінова Надія Володимирівна
popup.opponent Жуков В.І.
Об'єкт дослідження: печінка, нирки, легені щурів, що голодували або отримували індуктори та інгібітори Мета: з'ясування підходів до підвищення опірності організму до несприятливої дії ксенобіотиків в умовах голодування. Методи: біохімічні, фармакологічні. Результати: вперше доведено, що під час голодування в печінці, легенях та нирках щурів зростають активності цитохромів Р4502Е1 та 3А, але знижуються активності Р4502D, 2C, 1A2, УДФ-глюкуронілтрансферази, фенолсульфотранс-фе-рази і глутатіон-S-трансферази. Голодування посилює Р4502E1-залежні етапи метаболізму ацетаніліду, бромбензолу, толуолу, але гальмує залежні від Р4502С реакції метаболізму толуолу і індометацину. Голодування, введення ацетону та фенобарбіталу посилюють токсичність бромбензолу і CCl4, а субстрати кон'югації, інгібітори P4502E1 - знижують. Препарат часнику INOD'AIL володіє протекторними властивостями, які обумовлені гальмуванням залежної від Р4502Е1 токсифікації ксенобіотиків та посиленням їх детоксикації через кон'югаційні механізми. Ступінь упровадження: результати дослідження впроваджено в роботу кафедр біохімії та фармакології Вінницького національного медичного університету ім. М.І. Пирогова, Українського ДНДІ реабілітації інвалідів, Вінниця, кафедри біохімії Тернопільської держ.ї мед. академії ім. І.Я.Горбачевського. Галузь використання: медична біохімія.
2004-05-20
2020-04-04
Updated: 2025-12-05
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