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Killer cocktail fights brain cancer

Al's Comment:

This is another very interesting combination.  Of course we have seen many things in the past work on mice then not in people, but this is one of those combinations that make a lot of sense.  This one should get into human trials quickly, and if it does work we may have quick access to it.


Posted on: 12/04/2013

PUBLIC RELEASE DATE:

25-Nov-2013

 

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Contact: Rita Sullivan King
news@rupress.org
212-327-8603
Rockefeller University Press 

Killer cocktail fights brain cancer

 

 IMAGE: The tumor (dark region, left) in this mouse brain was eradicated (arrowhead, right) with a novel drug cocktail, according to a Journal of Experimental Medicinestudy.

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A novel immune-boosting drug combination eradicates brain cancer in mice, according to a study in The Journal of Experimental Medicine.

Glioblastoma is the most aggressive form of brain cancer, and current treatments only modestly prolong patient survival. Immune cells called T cells have the capacity to attack and kill tumor cells, but tumors can counteract this attack by creating an environment that dampens T cell activity. T cells have ways of limiting their own activation (and thus autoimmunity), one of which is to express inhibitory cell surface proteins upon activation. In other cancer models, strategies to block these inhibitory proteins have been shown to reinvigorate T cell activation and thus promote tumor regression.

Burkhard Becher and colleagues at the University of Zurich now show that a two-pronged approach is most effective against glioblastoma. They simultaneously injected mice with a T cell–boosting protein called interleukin-12 and a drug that blocks the inhibitory receptor CTLA-4. The cocktail eradicated the animals' brain tumors.

Whether these findings will pave the way for a new therapeutic approach to treat glioblastoma in humans awaits clinical trials.

 

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About The Journal of Experimental Medicine

The Journal of Experimental Medicine (JEM) is published by The Rockefeller University Press. All editorial decisions on manuscripts submitted are made by active scientists in conjunction with our in-house scientific editors. JEM content is posted to PubMed Central, where it is available to the public for free six months after publication. Authors retain copyright of their published works and third parties may reuse the content for non-commercial purposes under a creative commons license. For more information, please visit http://www.jem.org..

vom Berg, J., et al. 2013. J. Exp. Med. doi: 10.1084/jem.20130678

 

 


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