Parkinson's disease, characterized by various motor dysfunctions, is the second most common neurodegenerative disorder in the world. It is known that specific gene mutations that are passed down through families are responsible for some cases of Parkinson's disease. But now, researchers from Japan have found that this might open the doors to new therapies.
that likely lead to Parkinson's disease in patients with mutations in a specific gene.
Researchers from TMDU decided to investigate these mechanisms in a familial form of Parkinson's disease caused by mutations in CHCHD2, a gene encoding a specific domain containing two CHCHD2 proteins. To do this, they induced a CHCHD2 mutation in both"When we looked at normal CHCHD2 protein in cells, it was located in the mitochondria, which provides energy to the cell," says lead author of the study Satoru Torii.
All mice with CHCHD2 mutation had motor impairments, and their brains showed mislocalized CHCHD2 and aggregated alpha-synuclein in the dopamine-producing cells of the substantia nigra. The same observations were made when the research team looked at a postmortem brain of a patient with Parkinson's disease caused by a CHCHD2 mutation, and in laboratory cell cultures harvested from another patient.
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