Chemicals and Drugs

Dideoxynucleosides

Nucleosides that have two hydroxy groups removed from the sugar moiety. The majority of these compounds have broad-spectrum antiretroviral activity due to their action as antimetabolites. The nucleosides are phosphorylated intracellularly to their 5'-triphosphates and act as chain-terminating inhibitors of viral reverse transcription.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Nucleosides that have two hydroxy groups removed from the sugar moiety. The majority of these compounds have broad-spectrum antiretroviral activity due to their action as antimetabolites. The nucleosides are phosphorylated intracellularly to their 5'-triphosphates and act as chain-terminating inhibitors of viral reverse transcription.

MeSH Record

Classification

Related Concepts

Knowledge Graph

Loading graph…

Drag nodes to rearrange; hover to trace links; click a node to open its page.

Drug Class

Pharmacological Action

MeSH Record

Synonyms

4 entry terms
  • ddNus
  • 2',3'-Dideoxynucleosides
  • Dideoxyribonucleosides
  • 2',3' Dideoxynucleosides

MeSH Record

Aspects Covered

24 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, 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

Indexing Annotation

antivirals & antimetabolites

MeSH Record

History Note

89

MeSH Record

Previous Indexing

  • Deoxyribonucleosides (1971-1988)

MeSH Hierarchy

Tree Number

AMA Style

References

  1. National Library of Medicine. Dideoxynucleosides. Medical Subject Headings (MeSH). 2026. Unique ID D015224. http://id.nlm.nih.gov/mesh/2026/D015224
  2. Dideoxynucleosides. In: Wikidata. https://www.wikidata.org/wiki/Q76529965