Neuropeptides Research Guide

Pinealon: Mechanism, Handling & Research Guide

Also known as: Pinealon, EDR, EDR peptide, Glu-Asp-Arg, Epitalon-related tripeptide, Khavinson tripeptide bioregulator

Key Facts

Pinealon is a neuropeptides research peptide (C15H26N6O8, MW 418.41 g/mol). Synthetic tripeptide bioregulator for neuroprotection and circadian research. It is supplied as a lyophilized powder for laboratory and in-vitro research use only — not for human consumption.

Classification	Synthetic short-peptide bioregulator (Glu-Asp-Arg tripeptide)
Molecular Formula	C15H26N6O8
Molecular Weight	418.41 g/mol
Research Half-Life	Not well characterized - pharmacokinetics of the EDR tripeptide are not established in the available literature
Form	Lyophilized powder
Research Category	Neuropeptides

What is Pinealon?

Pinealon is a synthetic tripeptide with the sequence Glu-Asp-Arg (EDR) that belongs to the Khavinson peptide bioregulator family. It was designed to target pineal gland function, and research suggests it penetrates cell membranes and interacts directly with DNA, modulating gene expression related to neuroprotection and circadian regulation. Its mechanism of action involves upregulation of serotonin synthesis enzymes and modulation of melatonin production pathways in pinealocytes. Research by Khavinson et al. published in Bulletin of Experimental Biology and Medicine demonstrated that Pinealon exhibited neuroprotective effects in cortical neuron cultures exposed to hypoxic and oxidative stress conditions, reducing cell death by up to 40% compared to controls. Additional studies showed that EDR peptide use in aged animal models helped restore circadian melatonin rhythms that had deteriorated with age. Work published in Advances in Gerontology indicated that Pinealon improved memory consolidation and learning capacity in senescence-accelerated mice. Compared to Epithalon (AEDG), another Khavinson bioregulator peptide targeting the pineal gland, Pinealon operates through distinct mechanisms. While Epithalon primarily activates telomerase and elongates telomeres, Pinealon focuses on direct neuroprotective gene regulation and serotonin pathway support. The two are sometimes studied in conjunction for comprehensive pineal gland and aging research. Lyophilized Pinealon should be stored at -20°C. Reconstitute with bacteriostatic water immediately before use and store at 2-8°C for up to 3 weeks. Researchers in gerontology, chronobiology, and neuroprotection are the primary investigators of this peptide, particularly those studying age-related cognitive decline and circadian disruption.

Pinealon Research Applications

In published and preclinical research, Pinealon has been studied across the following areas:

Neuroprotection against hypoxia
Circadian rhythm regulation
Synaptic-plasticity and learning models
Serotonin pathway research

Pinealon in Research: Study Context

Pinealon (the tripeptide Glu-Asp-Arg, 'EDR') is a Khavinson-group short-peptide bioregulator proposed to enter cells and modulate gene expression linked to neuroprotection, antioxidant enzyme regulation (e.g., SOD2, GPX1), and serotonin-pathway signaling, with reported protection of cortical neurons against oxidative and hypoxic stress in cell and mouse models (Khavinson et al., 2020; Khavinson et al., 2021). The evidence base is limited, originates largely from a single research group, and has little independent Western replication, so conclusions are preliminary. For in-vitro and laboratory research use only - not FDA-approved and no human concentration is provided here. Reconstitute the lyophilized 20mg peptide with bacteriostatic water to a defined concentration of 10.0 mg/mL for laboratory handling, and verify identity and purity against the primary literature and the lot-specific Certificate of Analysis (COA).

How Pinealon Compares

Researchers frequently evaluate Pinealon alongside related compounds:

Pinealon vs Epithalon — Epithalon (AEDG) is the closely related Khavinson tetrapeptide bioregulator studied for telomerase/circadian gene regulation; Pinealon (EDR) is a tripeptide from the same program emphasized for neuroprotective gene-expression effects.
Pinealon vs DSIP — Both appear in sleep/neuro research, but Pinealon is a tripeptide bioregulator proposed to act on gene expression, whereas DSIP is a nonapeptide tied to delta-sleep neuromodulation; both have thin evidence bases.

Pinealon — Frequently Asked Questions

What mechanism is proposed for Pinealon (EDR) in the literature?

Khavinson-group publications propose that the EDR tripeptide penetrates cells and acts at the level of gene expression - modeled as binding within promoter regions of genes linked to neurodegeneration and antioxidant defense (e.g., CASP3, SOD2) - and influences serotonin synthesis and neuronal survival under oxidative or hypoxic stress (Khavinson et al., 2020; 2021). This is a research-stage hypothesis, not a therapeutic claim.

How robust is the evidence for Pinealon?

It is limited. Most data come from a single research group with sparse independent replication outside that program, and much of the work is in vitro or in rodent Alzheimer's models. Treat findings as preliminary, consult the primary sources directly, and design appropriately controlled experiments rather than generalizing from the existing dataset.

What is its half-life?

Not well characterized; pharmacokinetics for the EDR tripeptide are not established in the available literature. Determine stability empirically in your own assay system, and confirm material identity and purity against the lot Certificate of Analysis (COA).

Is Pinealon legal to buy for research?

Pinealon is sold in the United States as a research chemical for laboratory and in-vitro use only. It is not approved by the FDA for human use and is not sold for human consumption. Researchers are responsible for compliance with all applicable federal, state, and institutional regulations.

Does Pinealon come with a Certificate of Analysis?

Yes. Every batch of Pinealon from Elyte Peptides ships with a third-party Certificate of Analysis (COA) documenting identity and HPLC purity (≥98%), so research results can be traced to a verified lot.

What is Pinealon and how does it work?

Pinealon is a synthetic tripeptide (Glu-Asp-Arg) classified as a peptide bioregulator — a concept developed by Professor Vladimir Khavinson. It is designed to interact with DNA in brain cells, specifically influencing gene expression in the pineal gland and central nervous system. In preclinical models, Pinealon has been observed to regulate serotonin synthesis, protect neurons from hypoxic damage, and influence circadian rhythm signaling through melatonin pathway modulation.

What research has been done on Pinealon?

Research by Khavinson's group (published in Bulletin of Experimental Biology and Medicine) demonstrated that Pinealon penetrates cell membranes and interacts with DNA to influence gene expression in brain tissue. Studies showed neuroprotective effects against oxidative stress and hypoxia in neuronal cell cultures. Additional research explored its role in restoring circadian rhythm function in aging models and improving memory consolidation in animal learning paradigms.

How does Pinealon compare to Epithalon or DSIP?

While all three are studied for brain-related functions, they act through distinct mechanisms. Epithalon activates telomerase for cellular cellular-aging. DSIP modulates delta-wave sleep patterns. Pinealon specifically targets gene expression in pineal and brain cells, influencing serotonin and melatonin pathways. Pinealon's bioregulator approach (direct DNA interaction) is unique among these peptides, making it a specialized tool for circadian and neuroprotection research.

Research References

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