Related Experiment Video
Updated: Feb 6, 2026

Identifying Inhibitors of the HBx-DDB1 Interaction Using a Split Luciferase Assay System
Published on: December 21, 2019
Triazolopyrimidines identified as reversible myeloperoxidase inhibitors
Franck Duclos1, Lynn M Abell1, David G Harden1
1Bristol-Myers Squibb Company , P.O. Box 5400 , Princeton , New Jersey 08543-5400 , USA .
Abstract:
Myeloperoxidase, a mammalian peroxidase involved in the immune system as an anti-microbial first responder, can produce hypochlorous acid in response to invading pathogens. Myeloperoxidase has been implicated in several chronic pathological diseases due to the chronic production of hypochlorous acid, as well as other reactive radical species. A high throughput screen and triaging protocol was developed to identify a reversible inhibitor of myeloperoxidase toward the potential treatment of chronic diseases such as atherosclerosis. The identification and characterization of a reversible myeloperoxidase inhibitor, 7-(benzyloxy)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-5-amine is described.
Insights
Researchers identified a reversible inhibitor for myeloperoxidase (MPO), an enzyme linked to chronic diseases. This discovery offers a potential new treatment strategy for conditions like atherosclerosis by targeting MPO activity.
Area of Science:
- Biochemistry
- Immunology
- Pharmacology
Background:
- Myeloperoxidase (MPO) is an immune enzyme producing hypochlorous acid.
- Chronic MPO activity contributes to pathological diseases like atherosclerosis.
- Targeting MPO offers a potential therapeutic strategy for chronic inflammatory conditions.
Purpose of the Study:
- To identify a reversible inhibitor of myeloperoxidase (MPO).
- To develop a high-throughput screening protocol for MPO inhibitors.
- To explore potential treatments for MPO-associated chronic diseases.
Main Methods:
- Developed a high-throughput screen and triaging protocol.
- Identified and characterized a novel reversible MPO inhibitor.
- Utilized biochemical assays to assess inhibitor efficacy.
Main Results:
- Successfully identified a reversible inhibitor of myeloperoxidase.
- The inhibitor is 7-(benzyloxy)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-5-amine.
- Characterization confirmed the inhibitor's reversible binding to MPO.
Conclusions:
- A novel reversible MPO inhibitor has been identified.
- This compound represents a potential therapeutic agent for chronic diseases.
- Further research may validate MPO inhibition for treating atherosclerosis and related conditions.
Related Concept Videos
Eukaryotic Transcription Inhibitors
Eukaryotic transcription inhibitors usually contain two distinct domains, a...
Reversible and Irreversible Processes
Diode: Reverse bias
Dipeptidyl Peptidase 4 Inhibitors
Identifying Statistically Significant Differences: The F-Test
Modeling of Diode Reverse Characteristics
When a reverse voltage applied to a Zener diode exceeds its breakdown voltage, the diode enters the breakdown region. At this point, the...

