UC Irvine researchers create new stem cell-derived cell type for treatment of Alzheimer's

Published on November 8, 2012 at 1:11 AM · No Comments

UC Irvine researchers have created a new stem cell-derived cell type with unique promise for treating neurodegenerative diseases such as Alzheimer's.

Dr. Edwin Monuki of UCI's Sue & Bill Gross Stem Cell Research Center, developmental & cell biology graduate student Momoko Watanabe and colleagues developed these cells -called choroid plexus epithelial cells - from existing mouse and human embryonic stem cell lines.

CPECs are critical for proper functioning of the choroid plexus, the tissue in the brain that produces cerebrospinal fluid. Among their various roles, CPECs make CSF and remove metabolic waste and foreign substances from the fluid and brain.

In neurodegenerative diseases, the choroid plexus and CPECs age prematurely, resulting in reduced CSF formation and decreased ability to flush out such debris as the plaque-forming proteins that are a hallmark of Alzheimer's. Transplant studies have provided proof of concept for CPEC-based therapies. However, such therapies have been hindered by the inability to expand or generate CPECs in culture.

"Our method is promising, because for the first time we can use stem cells to create large amounts of these epithelial cells, which could be utilized in different ways to treat neurodegenerative diseases," said Monuki, an associate professor of pathology & laboratory medicine and developmental & cell biology at UCI.

The study appears in today's issue of The Journal of Neuroscience.

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