P-21 Peptide: A CNTF-Derived Mimetic Boosting Neurogenesis and Cognition in Alzheimer's Research

P21 (P021) is a synthetic tetrapeptide derived from ciliary neurotrophic factor (CNTF) that is showing remarkable results in preclinical Alzheimer's disease models. By upregulating BDNF, promoting neurogenesis, and reducing tau pathology, it represents one of the most mechanistically compelling neuroprotective peptides currently under investigation.

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