ArticleBiomolecules2026
A Novel Regulatory System in Brain Development and Death Driven by a Bioactive Peptide Linked to a Specific Isoform of Acetylcholinesterase.
Article in Biomolecules, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundAcetylcholinesterase (AChE) demonstrates non-enzymatic actions attributable to a 14mer bioactive peptide derived from its sixth exon, 'T14', a pivotal agent driving Alzheimer's disease (AD).
methodsTo investigate this possible parallel between development and neurodegeneration, we tracked the expression and timeline of T14 in embryonic and neonatal rodent brain tissue in relation to the expression of its parent molecule, AChE, benchmarked against markers of neural maturation (NeuN) and neurodegenerative pathology (pTau) using sedimentation profiling, Western blotting, and qPCR.
resultsWe report two key findings: Firstly, while overall AChE activity, expression, and oligomeric assembly in the developing rodent cortex predominantly reflect AChE-T, endogenous T14 appear to selectively correspond with the AChE-R variant (r = 0.936,
conclusionsWe conclude that in development, T14 and AChE-R are closely linked, that both are involved in a developmental mechanism most active in the embryonic brain, and that inappropriate reactivation of this mechanism in the mature brain could be the driver in the progression of AD.
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