PFTAIRE peptide degrading cyclin Y and ameliorating cognitive deficits in mouse models of Alzheimer’s Disease

Illhwan Cho, Minhae Cha, Hye Yun Kim, YoungSoo Kim · 2025

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Description

Illhwan Cho and three co-authors reported in 2025 a peptide that lowers a protein tied to memory loss in Alzheimer's disease. The protein, cyclin Y, blocks the strengthening of synapses that learning needs. Their peptide copies the part of a partner enzyme that grabs cyclin Y, luring it toward removal. It was built by solid-phase synthesis in the lab.

Tests showed the peptide binds its target, survives in blood and liver samples, and crosses into the brain. Injected into Alzheimer's model mice, it prevented memory failures on behavior tests. Brain protein scans showed ninety-three proteins shifted, with synapse release proteins up and stress proteins down. The authors present the peptide as a fresh route to Alzheimer's drugs.

Catalog record

CREATORIllhwan Cho, Minhae Cha, Hye Yun Kim, YoungSoo Kim
YEAR2025
COLLECTIONPAPERS
FORMATTXT
FILE SIZE2 KB
VERSION1.0
LICENSECC BY 4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/articles/PMC11713712

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