Pinealon CAS:175175-23-2

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I. Core Structure & Key Traits

1. Composition: A short chain of three L‑amino acids—glutamic acid (Glu), aspartic acid (Asp), and arginine (Arg), with the sequence Glu‑Asp‑Arg (EDR). Its small molecular size enables efficient cell and nuclear membrane penetration, allowing direct interactions with intracellular targets like chromatin and DNA to modulate gene expression.
2. Formulation: Typically supplied as a sterile, lyophilized powder for research use. It is reconstituted with sterile saline for administration; short‑term storage at 2–8°C and long‑term storage at –20°C are recommended to preserve stability.
3. Mechanistic Edge: Unlike traditional receptor‑binding peptides, it acts at the epigenetic and molecular levels to regulate gene transcription, antioxidant defenses, and cell survival pathways, offering a unique approach to maintaining cellular and tissue homeostasis.

II. Mechanisms of Action

1. Oxidative Stress Mitigation: Inhibits reactive oxygen species (ROS) accumulation and suppresses ERK 1/2 activation, reducing oxidative damage to neurons and other cell types. It enhances antioxidant enzyme activity and normalizes lipid peroxidation levels, supporting cellular redox balance.
2. Neuroprotection & Cell Viability: Stimulates functional activity of brain tissue cellular elements, lowers spontaneous cell death rates, and protects against hypoxia‑induced damage. Preclinical studies show it preserves cognitive function in models of prenatal hyperhomocysteinemia and diabetes‑related cognitive decline.
3. Epigenetic & Metabolic Regulation: Modulates gene expression related to apoptosis, neurotrophic support, and mitochondrial function. It helps reset circadian rhythm disruptions and supports metabolic balance, contributing to healthy aging and cognitive longevity.

III. Research Applications & Value

1. Neurodegenerative & Cognitive Research: Investigated for potential in age‑related cognitive decline and neurodegenerative conditions, with preclinical data showing improved learning, memory, and neuronal integrity in stressed or aging models.
2. Cellular Resilience & Geroprotection: Studied for its role in enhancing cell survival under oxidative stress, ischemia, or metabolic dysfunction, making it a candidate for tissue repair and anti‑aging research.
3. Circadian & Metabolic Balance: Explored for resetting disrupted circadian rhythms and supporting metabolic health, with early research indicating benefits for sleep quality and energy metabolism regulation.

IV. Administration & Safety in Research

1. Research Dosing: Typical research doses range from 10–100 nM in in vitro studies and 10–200 mcg/day in in vivo models, with administration routes including subcutaneous injection or oral gavage (note: oral bioavailability is lower than parenteral routes).
2. Safety Profile: Preclinical studies report minimal adverse effects. Transient local reactions at injection sites and mild, self‑resolving systemic responses like occasional headache are rare and non‑persistent. It is contraindicated in those with hypersensitivity to the peptide or its components.
3. Research Considerations: Best used under controlled laboratory conditions with regular monitoring of cellular markers, gene expression, and functional outcomes to assess efficacy and safety. It is often combined with other bioregulators (e.g., Epitalon) for synergistic effects on longevity and cognitive health.