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Clients in the News – University of Michigan Development of Alzheimer’s trademark cell-killing plaques slowed by researchers

Microscopic images after the researchers restored the Golgi structure (red). Credit: Images courtesy of principal investigator, Yanzhuang Wang

University of Michigan researchers have learned how to fix a cellular structure called the Golgi that mysteriously becomes fragmented in all Alzheimer’s patients and appears to be a major cause of the disease. They say that understanding this mechanism helps decode amyloid plaque formation in the brains of Alzheimer’s patients — plaques that kills cells and contributes to memory loss and other Alzheimer’s symptoms.

The researchers discovered the molecular process behind Golgi fragmentation, and also developed two techniques to ‘rescue’ the Golgi structure.

“We plan to use this as a strategy to delay the disease development,” said Yanzhuang Wang, U-M associate professor of molecular, cellular and developmental biology. “We have a better understanding of why plaque forms fast in Alzheimer’s and found a way to slow down plaque formation.”

The paper appears in an upcoming edition of the Proceedings of the National Academy of Sciences. Gunjan Joshi, a research fellow in Wang’s lab, is the lead author.

Wang said scientists have long recognized that the Golgi becomes fragmented in the neurons of Alzheimer’s patients, but until now they didn’t know how or why this fragmentation occurred.

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