Brugia Malayi: Depletion of Glutathione by Buthionine Sulfoximine

Glutathione is an intracellular reducing agent. It is synthesized by a two-step reaction catalyzed by ?-glutamylcysteine synthetase (?GCS) and glutathione synthetase. ?GCS, which is the rate limiting enzyme in the synthesis of glutathione, is inhibited specifically by buthionine sulfoximine (BSO). T...

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Published in:مجلة جامعة النجاح للأبحاث العلوم الطبيعية
Main Author: Ayman Hussein
Format: Article
Language:English
Published: An-Najah National University 2005-08-01
Online Access:https://journals.najah.edu/media/journals/full_texts/brugia-malayi-depletion-glutathione-buthionine-sulfoximine.pdf
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author Ayman Hussein
author_facet Ayman Hussein
author_sort Ayman Hussein
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container_title مجلة جامعة النجاح للأبحاث العلوم الطبيعية
description Glutathione is an intracellular reducing agent. It is synthesized by a two-step reaction catalyzed by ?-glutamylcysteine synthetase (?GCS) and glutathione synthetase. ?GCS, which is the rate limiting enzyme in the synthesis of glutathione, is inhibited specifically by buthionine sulfoximine (BSO). The enzyme was partially purified from the parasitic nematode Brugia malayi, the causative agents of lymphatic filaraiasis. BSO inhibits the enzyme activity in an irreversible manner. The Brugia enzyme was found to be 24-fold more sensitive to BSO than its mammalian counterparts. The inhibitor was also found effective in depleting the glutathione contents of the parasites with low concentration. The results may conclude that ?GCS is a potential target for the development of drugs against filariasis.
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spelling doaj-art-e1f51e19d36c4130bc8455a23eb3cd072025-08-20T02:56:51ZengAn-Najah National Universityمجلة جامعة النجاح للأبحاث العلوم الطبيعية1727-21142311-88652005-08-01191839010.35552/anujr.a.19.1.609Brugia Malayi: Depletion of Glutathione by Buthionine SulfoximineAyman Hussein0Medical Laboratory Sciences Department, Faculty of Medicine and Health Sciences, An-Najah National University, Nablus, PalestineGlutathione is an intracellular reducing agent. It is synthesized by a two-step reaction catalyzed by ?-glutamylcysteine synthetase (?GCS) and glutathione synthetase. ?GCS, which is the rate limiting enzyme in the synthesis of glutathione, is inhibited specifically by buthionine sulfoximine (BSO). The enzyme was partially purified from the parasitic nematode Brugia malayi, the causative agents of lymphatic filaraiasis. BSO inhibits the enzyme activity in an irreversible manner. The Brugia enzyme was found to be 24-fold more sensitive to BSO than its mammalian counterparts. The inhibitor was also found effective in depleting the glutathione contents of the parasites with low concentration. The results may conclude that ?GCS is a potential target for the development of drugs against filariasis.https://journals.najah.edu/media/journals/full_texts/brugia-malayi-depletion-glutathione-buthionine-sulfoximine.pdf
spellingShingle Ayman Hussein
Brugia Malayi: Depletion of Glutathione by Buthionine Sulfoximine
title Brugia Malayi: Depletion of Glutathione by Buthionine Sulfoximine
title_full Brugia Malayi: Depletion of Glutathione by Buthionine Sulfoximine
title_fullStr Brugia Malayi: Depletion of Glutathione by Buthionine Sulfoximine
title_full_unstemmed Brugia Malayi: Depletion of Glutathione by Buthionine Sulfoximine
title_short Brugia Malayi: Depletion of Glutathione by Buthionine Sulfoximine
title_sort brugia malayi depletion of glutathione by buthionine sulfoximine
url https://journals.najah.edu/media/journals/full_texts/brugia-malayi-depletion-glutathione-buthionine-sulfoximine.pdf
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