Black tea polyphenols inhibit tumor proteasome activity

T Mujtaba, QP Dou - in vivo, 2012 - iv.iiarjournals.org
Tea is a widely consumed beverage and its constituent polyphenols have been associated
with potential health benefits. Although black tea polyphenols have been reported to …

[HTML][HTML] Ester bond-containing tea polyphenols potently inhibit proteasome activity in vitro and in vivo

S Nam, DM Smith, QP Dou - Journal of Biological Chemistry, 2001 - ASBMB
It has been discovered that proteasome inhibitors are able to induce tumor growth arrest or
cell death and that tea consumption is correlated with cancer prevention. Here, we show that …

Green tea polyphenols as proteasome inhibitors: implication in chemoprevention

H Yang, K Landis-Piwowar, TH Chan… - Current cancer drug …, 2011 - ingentaconnect.com
Next to water, tea is the most popular beverage in the world. The most abundant and active
compound in green tea is (-)-epigallocatechin-3-gallate (EGCG), which is extensively …

Tannic Acid Potently Inhibits Tumor Cell Proteasome Activity, Increases p27 and Bax Expression, and Induces G1 Arrest and Apoptosis

S Nam, DM Smith, QP Dou - Cancer Epidemiology Biomarkers & Prevention, 2001 - AACR
Animal studies have demonstrated that a dietary polyphenol known as tannic acid (TA)
exhibits anticarcinogenic activity in chemically induced cancers, although the involved …

Molecular mechanisms of green tea polyphenols

QP Dou - Nutrition and cancer, 2009 - Taylor & Francis
Tea, next to water, is the most popular beverage in the world. It has been suggested that tea
consumption has the cancer-preventive effects. Epidemiological studies have indicated …

Inhibition of proteasome activity by various fruits and vegetables is associated with cancer cell death

MS Chen, DI Chen, QP Dou - In vivo, 2004 - iv.iiarjournals.org
There is a large amount of scientific evidence showing that fruits and vegetables lower the
risk of cancer. However, the responsible molecular mechanisms remain poorly understood …

Green tea polyphenols as a natural tumour cell proteasome inhibitor

QP Dou, KR Landis-Piwowar, D Chen, C Huo… - …, 2008 - Springer
The cancer-preventive effects of green tea and its main constituent (-)-epigallocatechin
gallate [(-)-EGCG] are widely supported by results from epidemiological, cell culture, animal …

A natural musaceas plant extract inhibits proteasome activity and induces apoptosis selectively in human tumor and transformed, but not normal and non-transformed …

A Kazi, DA Urbizu, DJ Kuhn… - International …, 2003 - spandidos-publications.com
Animal studies have demonstrated that a dietary polyphenol known as tannic acid (TA)
exhibits anticarcinogenic activity in chemically induced cancers. Most recently, we have …

Potential molecular targets of tea polyphenols in human tumor cells: significance in cancer prevention.

A Kazi, DM Smith, K Daniel, S Zhong… - In Vivo (Athens …, 2002 - europepmc.org
Next to water, tea is the most popular beverage in the world, and the cancer-preventive
effects of this beverage have been suggested. Epidemiological studies have shown …

Anti-invasive effects of green tea polyphenol epigallocatechin-3-gallate (EGCG), a natural inhibitor of metallo and serine proteases

R Benelli, R Venè, D Bisacchi, S Garbisa, A Albini - 2002 - degruyter.com
Several reports have attributed to green tea chemopreventive and therapeutic properties.
Epidemiological studies have linked the regular use of green tea to a reduced incidence of …