Biotransformation of xenobiotics in the human colon and rectum and its association with colorectal cancer

J Beyerle, E Frei, M Stiborova… - Drug metabolism …, 2015 - Taylor & Francis
In humans, the liver is generally considered to be the major organ contributing to drug
metabolism, but studies during the last years have suggested an important role of the extra …

Glutathione level and glutathione-dependent enzyme activities in blood serum of patients with gastrointestinal tract tumors

D Ścibior, M Skrzycki, M Podsiad, H Czeczot - Clinical Biochemistry, 2008 - Elsevier
OBJECTIVES: Glutathione (GSH) and enzymes cooperating with it–glutathione peroxidase
(GSHPx), glutathione S-transferase (GST) and glutathione reductase (GSHR)–play crucial …

Allelic variants of the human glutathione S-transferase P1 gene confer differential cytoprotection against anticancer agents in Escherichia coli

TM Ishimoto, F Ali-Osman - Pharmacogenetics and Genomics, 2002 - journals.lww.com
The polymorphic human GSTP1 gene locus encodes proteins that differentially metabolize
electrophilic substrates, including, many chemotherapeutic agents used in clinical cancer …

FBX8 degrades GSTP1 through ubiquitination to suppress colorectal cancer progression

W FeiFei, X HongHai, Y YongRong, W PingXiang… - Cell death & …, 2019 - nature.com
F-box only protein 8 (FBX8), as a critical component of the SKP1-CUL1-F-box (SCF) E3
ubiquitin ligases, has been associated with several malignancies through interacting with a …

Glutathione and glutathione-related enzymes in colorectal cancer patients

EI Saygili, T Akcay, D Konukoglu… - Journal of Toxicology and …, 2003 - Taylor & Francis
In recent years much attention has been focused on the role of glutathione (GSH) and GSH-
related enzymes such as glutathione peroxidase (GSH Px), glutathione reductase (GSH …

Modulatory effects of black tea polyphenols on oxidant–antioxidant profile and expression of proliferation, apoptosis, and angiogenesis-associated proteins in the rat …

RS Murugan, KVPC Mohan, K Uchida, Y Hara… - Journal of …, 2007 - Springer
Background Chemoprevention by dietary constituents has emerged as a novel approach to
control stomach cancer incidence. We therefore evaluated the chemopreventive effects of …

GSTP1 determines cis-platinum cytotoxicity in gastric adenocarcinoma MGC803 cells: regulation by promoter methylation and extracellular regulated kinase signaling

Y Zhang, X Qu, W Jing, X Hu, X Yang, K Hou… - Anti-cancer …, 2009 - journals.lww.com
Detoxification mechanisms can play a pivotal role in determining tumor cell responses to
platinum-based chemotherapy. Glutathione S-transferase-pi (GSTP1) belongs to a …

Measurement of glutathione S-transferase and its class-π in plasma and tissue biopsies obtained after laparoscopy and endoscopy from subjects with esophagus and …

GS Mohammadzadeh, SN Moghadam, MJ Rasaee… - Clinical …, 2003 - Elsevier
OBJECTIVES: To develop an indirect enzyme-linked immunosorbent assay (ELISA) for
measuring class-π glutathione S-transferase (GST) in plasma, and tissue biopsies obtained …

GSTM1 and GSTP1 Polymorphisms Affect Outcome in Colorectal Adenocarcinoma

M Stojkovic Lalosevic, V Coric, T Pekmezovic, T Simic… - Medicina, 2024 - mdpi.com
Background and Objectives: Despite improvements in screening programs, a large number
of patients with colorectal cancer (CRC) are diagnosed in an advanced disease stage …

Glutathione S-transferase polymorphisms and survival in African-American and white colorectal cancer patients

BA Jones, AR Christensen, JP Wise Sr, H Yu - Cancer epidemiology, 2009 - Elsevier
Background: Glutathione S-transferase (GST) enzymes are involved in electrophile
detoxification. The authors investigated the association between GST genotype and survival …