β-Glucuronidases of opportunistic bacteria are the major contributors to xenobiotic-induced toxicity in the gut

P Dashnyam, R Mudududdla, TJ Hsieh, TC Lin… - Scientific reports, 2018 - nature.com
Gut bacterial β-D-glucuronidases (GUSs) catalyze the removal of glucuronic acid from liver-
produced β-D-glucuronides. These reactions can have deleterious consequences when …

Biotransformation and metabolism of three methyl salicylate glycosides by gut microbiota in vitro

Y Dong, X Li, Y Zhao, X Ren, Y Zheng, R Song… - … of Pharmaceutical and …, 2023 - Elsevier
Abstract MSTG-A, MSTG-B and Gualtherin are three natural methyl salicylate glycosides
isolated from Dianbaizhu (Gaultheria leucocarpa var. yunnanensis), which is a traditional …

Physiology-based pharmacokinetic study on 18β-glycyrrhetic acid mono-glucuronide (GAMG) prior to glycyrrhizin in rats

M Cao, J Zuo, JG Yang, C Wu, Y Yang, W Tang, L Zhu - Molecules, 2022 - mdpi.com
To understand that 18β-Glycyrrhetic acid 3-O-mono-β-D-glucuronide (GAMG) showed better
pharmacological activity and drug-like properties than 18β-Glycyrrhizin (GL); a rapid and …

Targeted inhibition of gut bacterial β-glucuronidases by octyl gallate alleviates mycophenolate mofetil-induced gastrointestinal toxicity

L Xia, L Wan, A Gao, YX Yu, SY Zhou, Q He, G Li… - International Journal of …, 2024 - Elsevier
Mycophenolate mofetil (MMF) is a viable therapeutic option against various immune
disorders as a chemotherapeutic agent. Nevertheless, its application has been undermined …

Deciphering molecular mechanisms underlying the inhibition of β-glucuronidase by xanthones from Centaurium spicatum

EM Kamel, HA Alqhtani, M Bin-Jumah, HA Rudayni… - Bioorganic …, 2024 - Elsevier
Herein, we scrutinized the inhibitory potential of five xanthones and a flavonoid, sourced
from Centaurium spicatum, against β-glucuronidase activity. The results showed that …

Specific Inhibition of Bacterial β-Glucuronidase by Pyrazolo[4,3-c]quinoline Derivatives via a pH-Dependent Manner To Suppress Chemotherapy-Induced Intestinal …

KW Cheng, CH Tseng, CN Yang… - Journal of Medicinal …, 2017 - ACS Publications
The direct inhibition of bacterial β-glucuronidase (βG) activity is expected to reduce the
reactivation of glucuronide-conjugated drugs in the intestine, thereby reducing drug toxicity …

Casuarina glauca branchlets' extract as a potential treatment for ulcerative colitis: chemical composition, in silico and in vivo studies

ME Mohamed, AM El-Shafae, E Fikry… - Frontiers in …, 2023 - frontiersin.org
Ulcerative colitis (UC) is an inflammatory bowel disease that is often resistant to current
treatment options, leading to a need for alternative therapies. Herbal products have shown …

Inhibitory activity and mechanism of guavinoside B from guava fruits against αglucosidase: Insights by spectroscopy and molecular docking analyses

L Xu, L Zhang, Y Li, L Li, Z Xie… - Journal of Food …, 2022 - Wiley Online Library
Guavinoside B (GUB) is the main active substance in guava fruit and shows promising
biological activities. In this study, the inhibitory activity and mechanism of GUB on α …

A Novel β-Glucuronidase from Talaromyces pinophilus Li-93 Precisely Hydrolyzes Glycyrrhizin into Glycyrrhetinic Acid 3-O-Mono-β-d-Glucuronide

Y Xu, X Feng, J Jia, X Chen, T Jiang… - Applied and …, 2018 - Am Soc Microbiol
ABSTRACT Glycyrrhetinic acid 3-O-mono-β-d-glucuronide (GAMG), which possesses a
higher sweetness and stronger pharmacological activity than those of glycyrrhizin (GL), can …

[PDF][PDF] α-Glucosidase inhibitory caged xanthones from the resin of Garcinia hanburyi

YM Jin, JY Kim, SM Lee, XF Tan… - Journal of Applied …, 2019 - e-sciencecentral.org
A yellow resin (gamboge) from Garcinia hanburyi has been widely used as folk medicine
due to its antibacterial and antitumor activities. We isolated four α-glucosidase inhibitory …