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Novel Discovery Sheds Light on the Role of Proteins and How Synapses Work

by Dr. Trupti Shirole on August 16, 2016 at 11:23 PM
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 Novel Discovery Sheds Light on the Role of Proteins and How Synapses Work

Loss of synapses and synapse function sit at the heart of a number of diseases, not just neurodegenerative examples such as dementia and Parkinson's disease but also conditions such as diabetes. We do not fully understand how synapses work, but new research published on Nature Neuroscience's website has shed new light on the role of proteins in the way in which synapses maintain their signalling.

Synapses are the power junctions that allow living creatures to function. Popularly associated with learning and memory, they play a more fundamental role in our existence by regulating everything from breathing, sleeping and waking and other bodily functions.

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The research team used genetics like a scalpel blade to remove individual proteins from the synapse to identify their different roles within the synapse, and how they maintain synaptic transmission. They used synapses from the fruit fly drosophila, which compares remarkably closely to synapses in humans.

The team used genetics like a scalpel blade to remove individual proteins from the synapse to identify their different roles within the synapse, and how they maintain synaptic transmission. They used synapses from the fruit fly drosophila, which compares remarkably closely to synapses in humans.
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The results showed that two variations of a protein called Unc13 work separately to regulate synaptic transmission. The study is the first to show how the different forms of this protein work.

The findings of the study will prove invaluable to other research studies examining the role of synapse function in the diagnosis and treatment of neurodegenerative and other diseases. A greater understanding of how synapses work may also find a role in identifying unexpected drug targets for specific diseases.

Dr. Iain Robinson, Associate Professor in Neurosciences at Plymouth University Peninsula Schools of Medicine and Dentistry is part of the international research team on this study. He said, "Using a combination of genetics and state of the art imaging allows us to dissect the function of synapses which are used to convey messages in the brain. We have moved another step nearer to understanding the mechanisms employed by synapses and created knowledge which could play a vital role in research projects with the potential to discover breakthroughs in the diagnosis and treatment of a wide range of debilitating and life-changing diseases."

Source: Eurekalert
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