Johns Hopkins scientists have found yet another reason why you should listen to your mother when she tells you to eat your vegetables. Sulforaphane, a chemical present at high levels in a precursor form in broccoli and related veggies (cauliflower, Brussels sprouts, etc.), helps prevent the severe blistering and skin breakage brought on by the rare and potentially fatal genetic disease epidermolysis bullosa simplex (EBS).
The researchers treated newborn mice with a severe form of EBSso bad they all died within three dayswith a topical solution containing sulforaphane and found marked improvement; after four days more than 85 percent of the treated mice were alive and blister-free. These findings appear online this week in Proceedings of the National Academy of Sciences.
The basis of EBS, notes study author Pierre Coulombe, Ph.D., professor of biological chemistry, lies in two specific genes that make proteins known as keratins. Normally, the keratins join together and form highly resilient fibers in the lower portion of skin, helping make it durable. If either keratin is defective, they dont mesh and the lower skin tissue becomes unusually fragile and gets damaged from the mildest mechanical stress leading to blistering pain, a higher risk of infection, and in the most severe cases, death.
Humans have around 54 distinct keratins, many of which are similar in structure and function, says Coulombe. We figured we might be able to exploit this similarity and dial up a replacement by triggering the activation of a suitable signaling pathway in skin. He predicted that sulforaphane might stimulate the formation of a surrogate skin-strengthening keratin to stand in for the defective one.
The desire to learn more about sulforaphane led Coulombe and his co-workers to Paul Talalay, M.D., professor of pharmacology who had previously identified sulforaphane as a cancer-preventive agent. It turns out that treatment with low doses of su
'/>"/>
| Contact: Nick Zagorski 443-287-2251 Johns Hopkins Medical Institutions Source:Eurekalert |
Related biology news :
1. Genetically modified natural killer immune cells attack, kill leukemia cells
2. UCSD discovery may help extend life of natural pesticide
3. Insight into natural cholesterol control suggests novel cholesterol-lowering therapy
4. Genetically Modified Natural Killer Immune Cells Attack, Kill Leukemia Cells
5. UCLA scientists store materials in cells natural vaults
6. Man-made wetlands effectiveness similar to natural marsh
7. Natural Killers Could Lead to New Hepatitis Treatments
8. Researchers pioneer new gene therapy technique using natural repair process
9. Tsunami-damaged coral reefs should be left to recover naturally, say scientists
10. Natural tumor suppressor in body discovered by UCSD medical researchers
11. Naturally occurring asbestos linked to lung cancer
| Copyright © 2003-2012 Bio-Medicine. All rights reserved. ABOUT | CONTACT US | DISCLAIMER | PRIVACY POLICY | TERMS AND CONDITIONS |  |