Chemicals and Drugs

Isoantigens

Antigens that exist in alternative (allelic) forms in a single species. When an isoantigen is encountered by species members who lack it, an immune response is induced. Typical isoantigens are the BLOOD GROUP ANTIGENS.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Antigens that exist in alternative (allelic) forms in a single species. When an isoantigen is encountered by species members who lack it, an immune response is induced. Typical isoantigens are the BLOOD GROUP ANTIGENS.

MeSH Record

Classification

Broader headings

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MeSH Record

Synonyms

3 entry terms
  • Isoantigen
  • Alloantigen
  • Alloantigens

MeSH Record

Aspects Covered

23 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, analysis, biosynthesis, blood, cerebrospinal fluid, chemistry, classification, drug effects, economics, genetics, history, immunology, isolation & purification, metabolism, pharmacology, physiology, poisoning, radiation effects, therapeutic use, toxicity, ultrastructure, urine.

MeSH Record

History Note

67(64)

MeSH Hierarchy

Tree Number

  1. D23.050w.705

MeSH Record

NLM Classification

QW 573

AMA Style

References

  1. National Library of Medicine. Isoantigens. Medical Subject Headings (MeSH). 2026. Unique ID D007519. http://id.nlm.nih.gov/mesh/2026/D007519
  2. Isoantigens. In: Wikidata. https://www.wikidata.org/wiki/Q74560356