Pinealon
Pineal-derived tripeptide targeting CNS neuroprotection, cognition, and circadian regulation
Mechanism of Action
Pinealon (Glu-Asp-Arg; EDR) is a short bioregulatory tripeptide of pineal gland origin. It acts by penetrating neuronal cell nuclei and interacting with gene-regulatory elements — particularly DNA promoter sequences containing complementary nucleotide motifs — to modulate the expression of neuroprotective proteins. Key downstream effects include upregulation of anti-apoptotic signaling, reduction of oxidative stress markers, and restoration of circadian gene expression (including BMAL1 and Clock genes). In animal models, Pinealon has been shown to reduce markers of brain aging, improve spatial memory, and protect neurons from ischemic damage. Unlike Epithalon, Pinealon's primary site of action is neuronal rather than systemic.
Evidence Chain
Pinealon
COMPOUND
1 Research Goal
• Cognitive & Neurological
Evidence Strength
12 articles sourced
Knowledge Graph
(13 connections)Research Goals
(1)Research Evidence
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Pinealon (Glu-Asp-Pro): Peptide Bioregulation of Neural Gene Expression and Neuroprotection
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Overview
Pinealon (EDR tripeptide; Glu-Asp-Arg) is a short bioregulatory peptide derived from the pineal gland, developed as part of the Khavinson Institute's peptide bioregulator program. It is distinct from Epithalon (AEDG) in both sequence and primary mechanism: while Epithalon acts systemically via telomerase activation and pineal melatonin restoration, Pinealon exerts direct epigenetic-like effects within CNS neurons, modulating gene expression patterns linked to aging, apoptosis, and circadian biology.
Mechanism of Action
Pinealon is proposed to interact with specific double-stranded DNA promoter sequences bearing Glu-Asp complementary nucleotide motifs, effectively acting as an epigenetic regulator. This interaction activates neuroprotective gene programs — including upregulation of Bcl-2 family anti-apoptotic proteins and BDNF — and restores circadian gene expression (BMAL1, Clock) that is disrupted during aging. Animal studies report reduced lipid peroxidation, lower caspase-3 activity, and improved synaptic plasticity following Pinealon administration.
Comparative Profile vs. Epithalon
Epithalon acts primarily through telomerase activation (inducing hTERT expression) and systemic restoration of pineal melatonin output — making it a systemic longevity tool. Pinealon, by contrast, is a CNS-targeted neuroprotective agent. Its sequence (Glu-Asp-Arg) differs from Epithalon (Ala-Glu-Asp-Gly), and its pharmacological target is neuronal gene regulation rather than telomere biology. The two peptides have complementary rather than overlapping mechanisms, with Epithalon addressing cellular aging systemically and Pinealon protecting the brain specifically.
Animal Model Evidence
In aged rodent models, Pinealon administration (subcutaneous, 14–28 day courses) resulted in improved spatial navigation in Morris water maze testing, reduced oxidative damage in hippocampal tissue, and restored circadian rhythm regularity. Neuroprotective effects were observed in ischemia-reperfusion models, with reduced infarct volume and preserved motor function. Evidence of cognitive preservation in senescent animals suggests potential relevance to age-related neurodegeneration research.
Research Status
Pinealon is an active research compound at the preclinical stage. Human clinical data is not yet available from peer-reviewed independent sources. Regulatory status mirrors that of Epithalon — not approved for human use; categorized as a research compound.
Related Compounds
Synergy & Compatibility
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