Sunday, March 10, 2013

Nanoparticles Loaded with Bee Venom Kill HIV


Nanoparticles Loaded with Bee Venom Kill HIV

By Julia Evangelou Strait
news.wustl.edu

March 9, 2013

Nanoparticles carrying a toxin found in bee venom can destroy human immunodeficiency virus (HIV) while leaving surrounding cells unharmed, researchers atWashington University School of Medicine in St. Louis have shown. The finding is an important step toward developing a vaginal gel that may prevent the spread of HIV, the virus that causes AIDS.
“Our hope is that in places where HIV is running rampant, people could use this gel as a preventive measure to stop the initial infection,” says Joshua L. Hood, MD, PhD, a research instructor in medicine.
The study appears in the current issue of Antiviral Therapy.  (photo-JOSHUA L. HOOD, MD, PHD. Nanoparticles (purple) carrying melittin (green) fuse with HIV (small circles with spiked outer ring), destroying the virus’s protective envelope. Molecular bumpers (small red ovals) prevent the nanoparticles from harming the body’s normal cells, which are much larger in size.)
Bee venom contains a potent toxin called melittin that can poke holes in the protective envelope that surrounds HIV, and other viruses. Large amounts of free melittin can cause a lot of damage. Indeed, in addition to anti-viral therapy, the paper’s senior author, Samuel A. Wickline, MD, the J. RussellHornsby Professor of Biomedical Sciences, has shown melittin-loaded nanoparticles to be effective in killing tumor cells.

3 comments:

Anonymous said...

Sounds great for tumors! But, "it's always best to isolate the virus, BEFORE recommending treatment". And HIV, has yet to even be isolated, in over 30 y-e-a-r-s;


http://www.omsj.org/innocence-group

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