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Глутатионтрансферазы кишок

Глутатионтрансферазы кишок

Abstract

В обзоре обобщены сведения о глутатионтрансферазах в слизистой оболочке желудочно-кишечного тракта животных и человека. Представлены отличия в активности ферментов и изоферментном составе между отделами пищеварительной системы, структурными частями слизистой оболочки и отдельными видами организмов. Приведены результаты исследований влияния химических факторов на глутатионтрансферазы и обсуждается их роль в обменных процессах, которые задействованы в детоксикации экзои эндогенных ксенобиотиков, в частности путём формирования глутатионовых коньюгатов с дальнейшим выведением последних из организма. Представлены данные стимулирующего влияния традиционных и экзотических диетических компонентов на экспрессию глутатионтрансфераз, что является одним из механизмов ингибирования канцерогенеза. Показано, что развитие опухолевых заболеваний зависит от генотипического профиля глутатионтрансфераз и является последствием пониженной стойкости слизистой оболочки к действию прои канцерогенов или повышенной стойкости трансформованных клеток, из которых состоят опухоли, к лекарственным препаратам, что уменьшает их терапевтический эффект.

The data about glutathione transferases in the mucosa of the gastrointestinal tract of animals and humans are summarised in review. The differences in activity of enzymes and isoenzyme composition are presented between departments of digestive system, structural parts of the mucosa and different types of organisms. The results of investigation of effects of chemical factors on glutathione transferases are shown. The role of enzymes in the metabolic processes is discussed which are involved in the detoxification of exogenous and endogenous xenobiotics through establishing of glutathione conjugates that are eliminated from the body. The data of stimulating effects of traditional and exotic dietary components on the expression of glutathione transferases are shown that is the mechanism of inhibition of carcinogenesis. It has been shown that the development of tumors depends on the genotypic profile of glutathione transferases and it is a result of lowered resistance of mucosa to the action of proand carcinogens or increased stability of transformed cells to drugs, that reduce their therapeutic effect.

Keywords

ГЛУТАТіОНТРАНСФЕРАЗИ,СЛИЗОВА ОБОЛОНКА,ШЛУНКОВО-КИШКОВИЙ ТРАКТ,GASTROINTESTINAL TRACT,КЛЮЧЕВЫЕ СЛОВА: ГЛУТАТИОНТРАНСФЕРАЗЫ,GLUTATHIONE TRANSFERASES,СЛИЗИСТАЯ ОБОЛОЧКА,MUCOSA,ЖЕЛУДОЧНО-КИШЕЧНЫЙ ТРАКТ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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