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flag Low pleiotrophin levels may worsen brain issues in Down syndrome; restoring it helped mice, but human treatments are years away.

flag Scientists have found that low levels of the protein pleiotrophin in brain cells may contribute to neurological challenges in Down syndrome. flag In mice, restoring pleiotrophin improved brain function, learning, and memory, even in adults, by enhancing neural connections. flag The protein, normally produced by supportive astrocytes, could be delivered via gene therapy or protein infusions, offering a potential treatment path. flag While promising, the research is early-stage and not yet applicable to humans. flag The study, funded by the NIH and Chan Zuckerberg Initiative, suggests broader implications for conditions like Alzheimer’s and fragile X syndrome.

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