Bronchogen
Healing & RecoveryAEDL — Synthetic Peptide
Overview
Bronchogen is a synthetic tetrapeptide Ala-Glu-Asp-Leu (AEDL), developed as a pulmonary/bronchial bioregulator by the Khavinson group at the St. Petersburg Institute of Bioregulation and Gerontology. It is derived from bovine lung tissue and proposed to support bronchial epithelial cell function and mucosal integrity through epigenetic gene regulation.
Bronchogen has the thinnest published evidence base among the commercially available Khavinson tetrapeptides: a single in vitro DNA thermostability study (PMID 21240358) measuring physical peptide-DNA interactions without assessing cellular function, tissue response, or therapeutic outcome. No animal or human studies with confirmed PMIDs have been published.
Mechanism of Action
Bronchogen is proposed to act through the Khavinson-class mechanism: the short tetrapeptide AEDL penetrates cell and nuclear membranes to interact directly with regulatory DNA sequences in bronchial epithelial cells, modulating gene expression programs involved in mucosal immunity, tissue repair, and epithelial barrier function.
The only experimentally confirmed molecular event is peptide-DNA binding measured by differential scanning microcalorimetry: Bronchogen increases dsDNA thermostability by ~3.1°C, consistent with intercalation or groove-binding interactions with nucleotide bases. This physical interaction is taken as indirect evidence that Bronchogen can access and potentially influence chromatin regulatory regions in target lung tissue.
This mechanistic model is theoretical and has not been validated with functional gene expression, protein production, or physiological measurements in bronchial cells.
Research Dosing
Dosing from Russian clinical protocols. Designed as a short-course bronchial epithelial bioregulator. No approved indication outside Russia. Evidence base is limited to a single in vitro DNA thermostability study.
Research data only. These dosing ranges are derived from published studies, primarily in animal models. This is not medical advice. No peptide discussed on this site is approved for human therapeutic use unless otherwise noted.