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Published on: June 15, 2013
by Health India:
A Tel Aviv University research has developed a new peptide in her lab to protect and restore nerve cell communications.
A structure called ‘the microtubule network’ is a crucial part of our nervous system. It acts as a transportation system within nerve cells, carrying essential proteins and enabling cell-to-cell communications. But in neurodegenerative diseases like Alzheimer’s, ALS, and Parkinson’s, this network breaks down, hindering motor abilities and cognitive function.
Now, the new peptide, called NAP or Davunetide, developed by Prof. Illana Gozes of Tel Aviv University’s Sackler Faculty of Medicine, has the capacity to both protect and restore microtubule function.
The peptide is a compound derived from the protein ADNP, which regulates more than 400 genes and is essential for brain formation, memory, and behavior.
Prof. Gozes and her team of researchers, including Dr. Yan Jouroukhin and graduate student Regin Ostritsky of TAU, observed that in mice models with microtubule damage, NAP was able to maintain or revive the transport of proteins and other materials in cells, ameliorating symptoms associated with neurodegeneration. These findings, reported in the journal Neurobiology of Disease, indicate that NAP could be an effective tool in fighting some of the most debilitating effects of neurodegenerative diseases.
These findings were corroborated by a subsequent study conducted in the UK, published in the journal Molecular Psychiatry, which found that NAP was able to ameliorate damage in fruit fly models of microtubule deficiency, repairing nerve cell dysfunction.
NAP appears to have widespread potential in terms of neuroprotection, said Prof. Gozes, who was recently awarded the Meitner-Humblodt Research Award for her lifelong contribution to the field of brain sciences. Previous studies on the peptide, conducted through collaboration between Allon Therapeutics and Ramot, TAU’s technology transfer arm, have shown that patients suffering from cognitive dysfunction — a precursor to Alzheimer’s Disease — showed significant improvements in their cognitive scores when treated with NAP. Additional studies have also shown that NAP has a positive impact on rectifying microtubule deficiencies in schizophrenia patients. Prof. Gozes noted that more research must be conducted to discover how to optimize the use of NAP as a treatment, including which patients can benefit most from the intervention.
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