Andrographis Paniculata And Curcuma Xanthorrhiza Extracts And Active Constituents Inhibit Morphine Glucuronidation

Baru-baru ini, fenomena interaksi herba-drug telah mendapat perhatian hampir seantero dunia atas sebab tersebarnya populariti penggunaan produk herba dalam bentuk suplemen tambahan. Dalam kajian ini kesan perencatan herba Malaysia yang telah disenaraikan iaitu: hempedu bumi (Andrographis paniculata)...

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Main Author: Husni, Zulhilmi
Format: Thesis
Language:English
Published: 2016
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Online Access:http://eprints.usm.my/32348/1/ZULHILMI_HUSNI_24%28NN%29.pdf
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spelling my.usm.eprints.32348 http://eprints.usm.my/32348/ Andrographis Paniculata And Curcuma Xanthorrhiza Extracts And Active Constituents Inhibit Morphine Glucuronidation Husni, Zulhilmi RM300-666 Drugs and their actions Baru-baru ini, fenomena interaksi herba-drug telah mendapat perhatian hampir seantero dunia atas sebab tersebarnya populariti penggunaan produk herba dalam bentuk suplemen tambahan. Dalam kajian ini kesan perencatan herba Malaysia yang telah disenaraikan iaitu: hempedu bumi (Andrographis paniculata) dan temulawak (Curcuma xanthorrhiza) terhadap proses glukuronidasi morfina akan diuji menggunakan model protein rekombinan UGT2B7 dan mikrosom hepar bersumberkan dari manusia. Kesemua ekstrak etanol dan akueus bagi herba hempedu bumi serta andrografolida telah merencatkan aktiviti glukuronidasi morfina kecuali neoandrografolida. Ekstrak akueus merencatkan glukuronidasi morfina secara sederhana jika dibandingkan dengan ekstrak etanol dan andrografolida. Andrografolida adalah fito-konstituen yang dipercayai telah menyumbang besar terhadap trend perencatan yang ditunjukkan oleh ekstrak etanol dan analisis kinetik menunjukkan bahawa kedua-dua ekstrak etanol dan andrografolida merencatkan proses glukuronidasi morfina secara kompetitif (bukan tulen) dengan julat pemalar-perencatan, Kic dari 3.22 hingga 17.94 μg/mL bagi ekstrak etanol dan juga dari 1.35 hingga 15.06 μM bagi andrografolida yang mana kesemuanya dikaji di dalam protein rekombinan dan mikrosom hepar. A resurgence in the widespread popularity of herbal product in its supplement forms has recently attracted global attention concerning to herb-drug interaction. The inhibitory effects of selected Malaysian medicinal plant herbs namely Andrographis paniculata and Curcuma xanthorrhiza on morphine glucuronidation were evaluated on recombinant UGT2B7 protein and human liver microsomes. Ethanolic and aqueous extracts of Andrographis paniculata as well as andrographolide inhibited morphine glucuronidation at various degrees except for neoandrographolide. Aqueous extract moderately inhibited morphine glucuronidation compared to andrographolide and ethanolic extract. Andrographolide is the main perpetrator that contributes to the potent inhibitory action of ethanolic extract and kinetic analysis has suggested that andrographolide and Andrographis paniculata ethanolic extract competitively (mixed competitive) inhibited morphine glucuronidation featuring competitive inhibition constant, Kic values ranging from 1.35 to 15.06 μM for andrographolide and 3.22 to 17.94 μg/mL for Andrographis paniculata ethanolic extract on both recombinant UGT2B7 protein and human liver microsomes. 2016-08 Thesis NonPeerReviewed application/pdf en http://eprints.usm.my/32348/1/ZULHILMI_HUSNI_24%28NN%29.pdf Husni, Zulhilmi (2016) Andrographis Paniculata And Curcuma Xanthorrhiza Extracts And Active Constituents Inhibit Morphine Glucuronidation. Masters thesis, Universiti Sains Malaysia.
institution Universiti Sains Malaysia
building Hamzah Sendut Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Sains Malaysia
content_source USM Institutional Repository
url_provider http://eprints.usm.my/
language English
topic RM300-666 Drugs and their actions
spellingShingle RM300-666 Drugs and their actions
Husni, Zulhilmi
Andrographis Paniculata And Curcuma Xanthorrhiza Extracts And Active Constituents Inhibit Morphine Glucuronidation
description Baru-baru ini, fenomena interaksi herba-drug telah mendapat perhatian hampir seantero dunia atas sebab tersebarnya populariti penggunaan produk herba dalam bentuk suplemen tambahan. Dalam kajian ini kesan perencatan herba Malaysia yang telah disenaraikan iaitu: hempedu bumi (Andrographis paniculata) dan temulawak (Curcuma xanthorrhiza) terhadap proses glukuronidasi morfina akan diuji menggunakan model protein rekombinan UGT2B7 dan mikrosom hepar bersumberkan dari manusia. Kesemua ekstrak etanol dan akueus bagi herba hempedu bumi serta andrografolida telah merencatkan aktiviti glukuronidasi morfina kecuali neoandrografolida. Ekstrak akueus merencatkan glukuronidasi morfina secara sederhana jika dibandingkan dengan ekstrak etanol dan andrografolida. Andrografolida adalah fito-konstituen yang dipercayai telah menyumbang besar terhadap trend perencatan yang ditunjukkan oleh ekstrak etanol dan analisis kinetik menunjukkan bahawa kedua-dua ekstrak etanol dan andrografolida merencatkan proses glukuronidasi morfina secara kompetitif (bukan tulen) dengan julat pemalar-perencatan, Kic dari 3.22 hingga 17.94 μg/mL bagi ekstrak etanol dan juga dari 1.35 hingga 15.06 μM bagi andrografolida yang mana kesemuanya dikaji di dalam protein rekombinan dan mikrosom hepar. A resurgence in the widespread popularity of herbal product in its supplement forms has recently attracted global attention concerning to herb-drug interaction. The inhibitory effects of selected Malaysian medicinal plant herbs namely Andrographis paniculata and Curcuma xanthorrhiza on morphine glucuronidation were evaluated on recombinant UGT2B7 protein and human liver microsomes. Ethanolic and aqueous extracts of Andrographis paniculata as well as andrographolide inhibited morphine glucuronidation at various degrees except for neoandrographolide. Aqueous extract moderately inhibited morphine glucuronidation compared to andrographolide and ethanolic extract. Andrographolide is the main perpetrator that contributes to the potent inhibitory action of ethanolic extract and kinetic analysis has suggested that andrographolide and Andrographis paniculata ethanolic extract competitively (mixed competitive) inhibited morphine glucuronidation featuring competitive inhibition constant, Kic values ranging from 1.35 to 15.06 μM for andrographolide and 3.22 to 17.94 μg/mL for Andrographis paniculata ethanolic extract on both recombinant UGT2B7 protein and human liver microsomes.
format Thesis
author Husni, Zulhilmi
author_facet Husni, Zulhilmi
author_sort Husni, Zulhilmi
title Andrographis Paniculata And Curcuma Xanthorrhiza Extracts And Active Constituents Inhibit Morphine Glucuronidation
title_short Andrographis Paniculata And Curcuma Xanthorrhiza Extracts And Active Constituents Inhibit Morphine Glucuronidation
title_full Andrographis Paniculata And Curcuma Xanthorrhiza Extracts And Active Constituents Inhibit Morphine Glucuronidation
title_fullStr Andrographis Paniculata And Curcuma Xanthorrhiza Extracts And Active Constituents Inhibit Morphine Glucuronidation
title_full_unstemmed Andrographis Paniculata And Curcuma Xanthorrhiza Extracts And Active Constituents Inhibit Morphine Glucuronidation
title_sort andrographis paniculata and curcuma xanthorrhiza extracts and active constituents inhibit morphine glucuronidation
publishDate 2016
url http://eprints.usm.my/32348/1/ZULHILMI_HUSNI_24%28NN%29.pdf
http://eprints.usm.my/32348/
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score 13.211869