Chemicals and Drugs

Ethidium

A trypanocidal agent and possible antiviral agent that is widely used in experimental cell biology and biochemistry. Ethidium has several experimentally useful properties including binding to nucleic acids, noncompetitive inhibition of nicotinic acetylcholine receptors, and fluorescence among others. It is most commonly used as the bromide.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A trypanocidal agent and possible antiviral agent that is widely used in experimental cell biology and biochemistry. Ethidium has several experimentally useful properties including binding to nucleic acids, noncompetitive inhibition of nicotinic acetylcholine receptors, and fluorescence among others. It is most commonly used as the bromide.

MeSH Record

Classification

Broader headings

Related Concepts

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

5 entry terms
  • Ethidium Bromide
  • Homidium Bromide
  • Novidium
  • Bromide, Ethidium
  • Bromide, Homidium

MeSH Record

Aspects Covered

25 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analogs & derivatives, analysis, antagonists & inhibitors, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, economics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Record

History Note

74(72)

MeSH Record

Previous Indexing

  • Antiprotozoal Agents (1966-1971)
  • Antiviral Agents (1966-1971)
  • Phenanthridines (1969-1971)
  • appropriate enzyme/AI (1968-1971)

MeSH Hierarchy

Tree Number

AMA Style

References

  1. National Library of Medicine. Ethidium. Medical Subject Headings (MeSH). 2026. Unique ID D004996. http://id.nlm.nih.gov/mesh/2026/D004996
  2. Ethidium. In: Wikipedia. https://en.wikipedia.org/wiki/Ethidium_bromide
  3. Ethidium. In: Wikidata. https://www.wikidata.org/wiki/Q408634