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Spider Research May Lead to New Therapies for Humans

Spider Research May Lead to New Therapies for Humans

03/09/11

WEDNESDAY, March 9 (HealthDay News) -- A newly identified toxin in spider venom may help lead to new ways to treat pain and disease in humans, scientists report.

Spider venom toxins help researchers learn more about ion channels, which control the flow of ions across cell membranes and play an important role in a number of biological processes and diseases.

In their research on the venom of the American funnel web spider, a team from the University of California at Riverside identified a toxin that acts on T-type and N-type calcium channels.

According to the researchers, the discovery of the toxin may provide a new target for studying T-type channels, which are involved in human conditions such as congestive heart failure, high blood pressure, epilepsy and pain.

The finding was scheduled for presentation Wednesday at the annual meeting of the Biophysical Society, in Baltimore.

"The blocking mechanism of the [spider] toxin is different from classical pore blocker toxins" and others, lead researcher Xiao Zhang, who works at the Del Webb Center for Neuroscience in La Jolla, Calif., said in a society news release. He added that it appeared to offer a new toxin blocking mechanism for certain ion channels.

"If we can develop a calcium-channel blocker based on this toxin, we could have a new way to identify how these channels work and develop drugs for treating pain and disease," Zhang said.

Experts note that research presented at meetings has not been subjected to the same type of rigorous scrutiny given to research published in peer-reviewed medical journals.

More information

Consumers Union of the U.S. has more about calcium channel blockers.

Copyright © 2011 HealthDay. All rights reserved.

Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.

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