Pinealon is a synthetic tripeptide composed of glutamic acid, aspartic acid, and arginine (Glu-Asp-Arg; EDR). It belongs to a class of short peptide bioregulators investigated for their interactions with cellular signaling and gene-regulatory processes.

Laboratory and preclinical research involving Pinealon has examined neuronal cell biology, oxidative-stress responses, ERK1/2 signaling, cellular proliferation, apoptosis-associated pathways, and gene-expression mechanisms. Researchers have also explored potential interactions between EDR and intracellular regulatory systems involved in neuronal cellular function.

Pinealon remains an experimental research compound for investigating short-peptide signaling, neuronal cell biology, cellular stress responses, and gene-regulatory mechanisms.