Groene
thee wellicht tegen blaasontstekingen.*
Uit een celstudie blijkt dat zowel gewone als kankerachtige blaascellen door groene thee uitstekend beschermd worden tegen ontstekingen. In de studie werden de bioactieve stoffen, catechinen EGCG en ECG gebruikt in hoeveelheden die vergelijkbaar zijn met de hoeveelheden die iemand binnenkrijgt bij het drinken van enkele koppen groene thee. Het begin is er nu nog verdere studies.
Green
Tea May Protect The Bladder From Becoming Inflamed
Herbal
agents could be used to treat inflammatory bladder diseases, according to a
preliminary study that looked at the ability of green tea to protect bladder
cells from inflammation. The University of Pittsburgh School of Medicine study,
presented at the annual meeting of the American Urological Association (AUA) in
Anaheim, Calif., found that components of green tea protected bladder cells from
damage in culture. The study is Abstract 299 in the AUA proceedings.
Green tea, reported to have many health benefits, is rich in powerful
antioxidants that make it a possible remedy for many medical conditions. It is
comprised of catechins - plant metabolites that provide it with many
anti-oxidative properties.
"We discovered that catechins found in green tea protected both normal and
cancerous bladder cells from inflammation when we exposed the cells to hydrogen
peroxide," said Michael B. Chancellor, M.D., professor of urology and
gynecology at the University of Pittsburgh School of Medicine. "Although
further studies are needed, these results indicate herbal supplements from green
tea could be a treatment option for various bladder conditions that are caused
by injury or inflammation."
In the study, normal and cancerous bladder cells were exposed to two major
catechin components of green tea, epigallocatechin gallate (EGCG) and
epicatechin gallate (ECG), for 23 hours. Both significantly protected cell lines
from exposure to hydrogen peroxide, which damages or kills cells. The
concentrations of EGCG and ECG used in the study were at levels that may be
achieved through dietary intake.
###
Approximately ten million American adults have problems controlling their
bladders. Bladder disease affects both men and women and can include
incontinence or interstitial cystitis, a chronic inflammatory condition that
causes frequent, urgent and painful urination and pelvic discomfort.
Co-investigators of the study include Shelby Morrisroe, M.D., Christian Coyle,
Ph.D., Brian Phillips, Ph.D., William de Groat, Ph.D., and Naoki Yoshimura,
M.D., Ph.D., all with the University of Pittsburgh School of Medicine.
The study is funded by the Fishbein Family CURE-IC Program.
(Juni 2007)