Description

Research Snapshot

What it is:
Pinealon is a synthetic short peptide composed of three amino acids: Glu-Asp-Arg (EDR). It belongs to a group of short peptide bioregulators and has primarily been investigated in cell and animal models involving neural tissue, oxidative stress, cellular signaling, and gene regulation.

Researchers study it for:

• Neural and cellular biology
• Oxidative stress responses
• Reactive oxygen species (ROS)
• Cellular viability and stress resistance
• ERK 1/2 signaling
• Gene-expression mechanisms
• Age-associated cellular changes

Research pathway(s):
Oxidative Stress / ROS • ERK 1/2 Signaling • Cellular Stress Response • Gene-Expression & Regulatory Pathways

What Is Pinealon?

Pinealon, also known as the EDR peptide, is a synthetic tripeptide with the amino-acid sequence glutamic acid–aspartic acid–arginine (Glu-Asp-Arg).

Unlike many research peptides that are investigated primarily as receptor agonists, Pinealon research has focused on its potential influence on intracellular processes, oxidative stress and gene regulation.

In cultured cells exposed to oxidative stress, Pinealon has been reported to reduce accumulation of reactive oxygen species and decrease necrotic cell death. Researchers also observed changes involving ERK 1/2 activation and cell-cycle activity.

Animal research has additionally examined Pinealon under hypoxic conditions, including its relationship with antioxidant enzyme systems and neuronal responses to oxygen-related stress.

Why Are Researchers Interested?

Scientific research has investigated Pinealon in relation to:

• Oxidative stress and free-radical biology
• Neuronal responses to cellular stress
• Cellular viability
• Antioxidant defense mechanisms
• ERK-associated signaling
• Cell-cycle regulation
• Gene-expression mechanisms
• Age-related cellular biology

One particularly interesting area of Pinealon research is the hypothesis that very short regulatory peptides may influence gene expression through interactions involving DNA and other nuclear components. However, this proposed mechanism is not firmly established, and much of the Pinealon literature comes from a relatively small group of researchers.