Appendectomy May Lower Risk of Parkinson’s Disease

The neurodegenerative disease shares protein clumps in common with appendixes, perhaps explaining why removing the organ is protective.

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ABOVE: Clumps of the alpha-synuclein protein (red) are found in healthy individuals’ appendix tissue and in the brains of people with Parkinson’s disease.
V. LABRIE/VAN ANDEL RESEARCH INSTITUTE

Getting your appendix removed may reduce the risk of developing Parkinson’s disease, researchers report yesterday (October 31) in Science Translational Medicine. The team identified the link between the surgery and the neurodegenerative disease in health data from 1.6 million Swedes.

When analyzing tissue from healthy individuals in the dataset, the investigators found that their appendix tissue had protein clumps similar to those seen in the brains of patients with Parkinson’s disease. The finding suggests the appendix plays an early role in the disease through this same protein accumulation, the scientists say. These proteins contribute to Parkinson’s somehow, so an appendectomy may prevent their negative activity.

“It plays into this whole booming field of whether Parkinson’s possibly starts in the gut,” Per Borghammer, a ...

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  • Ashley Yeager

    Ashley started at The Scientist in 2018. Before joining the staff, she worked as a freelance editor and writer, a writer at the Simons Foundation, and a web producer at Science News, among other positions. She holds a bachelor’s degree in journalism from the University of Tennessee, Knoxville, and a master’s degree in science writing from MIT. Ashley edits the Scientist to Watch and Profile sections of the magazine and writes news, features, and other stories for both online and print.

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