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1713150 tn?1314470942
What is Tysabri?
I have been hearing lots on this bored about this infusion thing w Tysabri.  Since I am new at all this, I can't figure out exactly wat it is when I google it.

Can someone please explain??  Very curious over here!

Thanks!
Kel
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987762 tn?1331031553
If you put your questions into the search box above, or into the search archives box which is above all the latest posts, you will find the technical information on this drug and many many of the forum posts on the topic. Just type "what is Tysabri"  or what ever you want to know and if its already been talked about it will come up :-)

Cheers.....JJ
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1453990 tn?1329235026
Natalizumab is a humanized monoclonal antibody.  In MS, it prevents immune cells  (T cells) from attaching to the the endothelium in the vessels of the brain and passing outside the vessel and breaching the blood brain barrier.  

There is a pretty good explanation on Wikipedia.

Wikipedia contributors. "Natalizumab." Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, 30 Jun. 2011. Web. 1 Jul. 2011.

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198419 tn?1360245956
Kel,

This is a solid source of info here, and a video on how it works:

http://www.tysabri.com/tysbProject/tysb.portal/_baseurl/threeColLayout/SCSRepository/en_US/tysb/home/about-tysabri/how-tysabri-works.xml

-Shell
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