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Researchers Isolate Protein “Trigger” for Parkinson’s Disease

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John Hopkins Institute of Cell Engineering has published research indicating a specific protein may act as cellular “trigger” for Parkinson’s Disease.  The protein, named s15, causes a common type of Parkinson’s in human and fruit fly neurons.  It only becomes pathological when it gains a phosphate from a mutated enzyme called LRRK2 (or leucine-rich repeating kinase 2).    Mutations in LRRK2 have been frequently observed in patients with Parkinson but until now the enzyme’s target was unknown.  Once LRRK2 deposits a phosphate on protein s15, it is activated and then causes the neurodegeneration seen in Parkinson’s through “loss of translational control”(per the Cell article abstract).  That is, neurons lose hold of the ability to properly translate genetic information into accurately folded proteins.  Hence the  misfolded protein aggregates or Lewy bodies that kill neurons in Parkinson’s patient substantia nigra.

(Pyrimidal Neuron stained with Green Fluorescing Protein. Image Credit: Wikicommons)

(Pyrimidal Neuron stained with Green Fluorescing Protein. Image Credit: Wikicommons)

Dr. Ted Dawson, one of the authors of the paper, believes inhibiting LRRK2 and s15 could serve as potential treatments for the disease.  Read more at FOX NEWS

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Kristen E. Strubberg is the Editor-in-Chief for TGNR. Kristen founded TGNR in 2013 - seeking to create a high quality platform for original, eclectic and substantive positive news journalism by attracting expert contributors in many varying subjects. Kristen also works as a clinical medical researcher in Cardiology, with an original background in Neuroscience. Her passion for science has translated to her science-fiction specialization, with her highly adept published insights into the best of sci-fi’s popular culture. Kristen has served as TGNR’s Editor-in-Chief since 2013.

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