Why a Diabetes Drug Could Help in Parkinson’s Disease

You may need this, but you probably have to educate your doctor on this. What is your doctors protocol on preventing Parkinsons? No protocol, call the hospital president and ask why such incompetency exists in their hospital.

Parkinson’s Disease May Have Link to Stroke

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29 August 2017 Universitaet Tübingen

A diabetes drug might help in certain types of Parkinson’s disease, reports a team of German brain researchers headed by Dr. Julia Fitzgerald at the Hertie Institute for Clinical Brain Research, the University of Tübingen and the German Center for Neurodegenerative Diseases in Tübingen. The neuroscientists identified a protein that plays an important role in the energy balance of cells. If the protein is missing, the energy balance is disturbed leading possibly to cell death and ultimately to the onset of the disease. In Parkinson’s disease, nerve cells die off in a brain area responsible for movement control. Using cell cultures, the research team has now shown that the diabetes drug metformin acts on the energy budget, thereby protecting the cells. The study has been published in the current issue of the journal Brain.
“When studying cells from a patient suffering from Parkinson’s disease we saw that they lack an important protein which regulates the energy production,” explains Fitzgerald. As a result, the cells keep on producing energy in their mitochondria — the cells’ powerhouses — unchecked and less regulated. Energy production comes at the cost of the generation of free oxygen radicals. The radicals damage the cell and lead to aging and, in the long term, sometimes to cell death. “The diabetes drug acts like a brake in this process. It slows down the uncontrolled generation of energy, thereby protecting the cells from the negative effects,” the researcher reports.
The study by the Tübingen neuroscientists provides another indication that diabetes drugs might have a positive influence on certain types of Parkinson’s disease. “Only recently, an Anglo-American research collaboration showed that another diabetes drug can reduce movement disorder symptoms in patients with Parkinson’s disease,” says Fitzgerald. The new findings of Fitzgerald and her colleagues contribute to the development of personalized medicine which aims at treating the disease with interventions tailored to the underlying individual trigger factor in each patient. In Parkinson’s disease, both hereditary predisposition and environmental influences play a role in the development of the disease. “Ultimately, the cause varies from person to person,” explains Fitzgerald. “In the long term, our study will be beneficial to patients suffering from faulty energy production in cells.” At present, there are no drugs available that may stop or slow down Parkinson’s disease, physicians may only treat symptoms. Worldwide, there are about 10 million people affected by the disease.

Attached files

• Cells imaged in an electron microscope. A mitochondrion of one cell is highlighted in red. Copyright: Hartwig Wolburg / Universität Tübingen
  

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• Full bibliographic informationFitzgerald et al. (2017): Metformin reverses TRAP1 mutation-associated alterations in mitochondrial function in Parkinson’s disease. Brain 140(9), pp 2444–2459. doi: 10.1093/brain/awx202