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Last Updated: Oct 11, 2012 - 10:22:56 PM
Genetics Channel

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Latest Research : Genetics

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New Gene for Charcot-Marie-Tooth Disease Involved in Cell Transport

Apr 13, 2005 - 12:21:00 AM
In this study, an international team of researchers identified the responsible gene as Dynamin 2 (DNM2), whose protein helps cell membranes fuse together and separate.

[RxPG] Charcot-Marie-Tooth disease (CMT), which affects the peripheral nerves, comes in several forms and is due to mutation in a variety of genes.

Autosomal dominant CMT of the so-called intermediate form has previously been linked to chromosome 19.

In this study, an international team of researchers identified the responsible gene as Dynamin 2 (DNM2), whose protein helps cell membranes fuse together and separate. The mutation, found in several families from North America, Australia, and Belgium, impairs a variety of critical cell transport processes.

In addition, neutropenia, a white blood cell disorder, was found to be inherited along with the disease, which has not been seen in CMT families before. The same protein function that is impaired by the mutation--the ability to bind a high-energy molecule called CTP--is also impaired by other CMT gene mutations, suggesting this may be a central pathway for a large class of peripheral neuropathies.

Publication: American Academy of Neurology 57th Annual Meeting held in Miami Beach, Fla., April 9 – 16, 2005.
On the web: www.aan.com 

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 Additional information about the news article
The American Academy of Neurology, an association of more than 18,000 neurologists and neuroscience professionals, is dedicated to improving patient care through education and research. A neurologist is a doctor with specialized training in diagnosing, treating and managing disorders of the brain and nervous system such as Alzheimer's disease, epilepsy, multiple sclerosis, Parkinson's disease, and stroke.

For more information about the American Academy of Neurology, visit www.aan.com.
For any corrections of factual information, to contact the editors or to send any medical news or health news press releases, use feedback form

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