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Scorpion Venom Could Help Treat Brain Cancer

Scorpion Venom Could Help Treat Brain Cancer

Deathstalker scorpions produce a venom known as chlorotoxin. Scientists have observed chlorotoxin binds with glioma cells, which are tumors found in the brain and spine. Results of a study published in ACS Nano, a monthly journal, showed that chlorotoxin could help deliver gene therapy treatments to brain tumors. In their study titled “Chlorotoxin Labeled Magnetic Nanovectors for Targeted Gene Delivery to Glioma,” 11 University of Washington researchers described using a combination of chlorotoxin and iron oxide nanoparticles.

Their results showed by using venom-based nanoparticles, they could induce gene expression in almost twice as many glioma cells as nanoparticles without the scorpion venom. In their conclusion they state, “These results could provide insight into the design of more effective gene delivery vehicles for improved treatment outcome of gene therapy for glioma and other deadly cancers.”

They used fluorescence microscopy on tumor sections to observe elevated gene therapy expression at the cellular level. Chlorotoxin is thought to be a promising delivery agent in gene therapy for the majority of brain cancer types because it is internalized by glioma cells.

The research study states in the introduction that when chlorotoxin is attached to iron oxide nanoparticles and coated with chitosan and polyethylene glycol, the new nanoparticles can pass through the blood-brain barriers. Researchers from the Department of Materials Science and Engineering, Department of Radiology Department of Neurological Surgery, at the University of Washington participated in the research.

A similar study last year by one of the same researchers found chlorotoxin could have a great potential for arresting the spread of brain cancer cells. The use of chlorotoxin is also being explored for prostate, colorectal, and skin cancers.

Deathstalker scorpions are also called the Palestine yellow scorpion, or the Israeli desert scorpion. They live in a range from the Middle East to North Africa.

Image Credit: Ester Inbar

Read more: Health, Nature & Wildlife,

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63 comments

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2:50PM PDT on Mar 30, 2013

Thanks for sharing

10:09PM PST on Feb 6, 2013

Thank you

6:26AM PST on Nov 5, 2012

Thank you

8:53AM PDT on Jun 19, 2012

Amazing.

10:31AM PDT on Mar 19, 2012

All our health issues has a cure found in Nature. We have to keep what we have left protected or Monsanto will be the death of our future.

3:12PM PDT on Mar 18, 2012

It is amazing what is being discovered in nature.

4:42AM PDT on Jun 6, 2011

Thanks for the article.

3:31PM PDT on Sep 24, 2010

I love it when people realize that animals give us much more than we ever could

3:30PM PDT on Sep 24, 2010

It's so awesome when humans realize that animals help us more than we ever could.

8:03AM PDT on Aug 26, 2010

If we don´t stop destroying nature and killing wild animals we could never find that kind of cure.

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I am pleased to see that my family already uses most of these tips. I have never been fooled by the …

Thanks for sharing.

Oh, and by the way, you spelled the photographer's name wrong and he doesn't work for the USFWS.

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