Bioregulator Peptide
Bronchogen
Also known as: Ala-Glu-Asp-Leu, AEDL
A synthetic tetrapeptide (Ala-Glu-Asp-Leu) from the Khavinson bioregulator family, developed from bronchial mucosa extract analysis and studied for direct DNA-stabilizing effects in vitro.
Overview
Bronchogen is a synthetic tetrapeptide (Ala-Glu-Asp-Leu) from the Khavinson bioregulator family, developed from analysis of natural bronchial mucosa extract and intended to target bronchial/respiratory tissue specifically.
Proposed Mechanism of Action
The cited study offers direct physical-chemistry evidence for the broader bioregulator family's DNA-interaction hypothesis: using differential scanning microcalorimetry, the researchers found Bronchogen measurably increased the melting temperature (thermostability) of DNA samples, consistent with a direct DNA-binding/stabilizing interaction rather than a conventional receptor-based mechanism.
Research Context
This is a biophysical in vitro study — it demonstrates that Bronchogen physically interacts with and stabilizes DNA in a test tube, using DNA extracted from calf thymus and mouse liver (not bronchial or lung tissue specifically). It's mechanistic support for the bioregulator family's general hypothesis, but it is not, by itself, evidence of a functional effect on bronchial or respiratory tissue in a living organism.
Limitations of the Current Evidence
- The cited study is biophysical/in vitro and does not measure any functional respiratory or bronchial outcome — claims about bronchial or COPD-related effects that circulate in secondary/vendor sources are not supported by the study we were able to verify and cite here.
- As with the rest of this peptide family, the published literature is limited, originates almost entirely from the same research group, and lacks independent replication or human clinical trial data.
Cited Studies
Effect of the peptide bronchogen (Ala-Asp-Glu-Leu) on DNA thermostability
Monaselidze JR, Khavinson VKh, Gorgoshidze MZ, Khachidze DG, Lomidze EM, Jokhadze TA, Lezhava TA · Bulletin of Experimental Biology and Medicine · 2011
In vitro study (DNA thermostability, calf thymus and mouse liver DNA)View source →
Last updated August 1, 2026