Chemicals and Drugs

Cytochrome P-450 CYP2D6

A cytochrome P450 enzyme that catalyzes the hydroxylation of many drugs and environmental chemicals, such as DEBRISOQUINE; ADRENERGIC RECEPTOR ANTAGONISTS; and TRICYCLIC ANTIDEPRESSANTS. This enzyme is deficient in up to 10 percent of the Caucasian population.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A cytochrome P450 enzyme that catalyzes the hydroxylation of many drugs and environmental chemicals, such as DEBRISOQUINE; ADRENERGIC RECEPTOR ANTAGONISTS; and TRICYCLIC ANTIDEPRESSANTS. This enzyme is deficient in up to 10 percent of the Caucasian population.

MeSH Record

Classification

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MeSH Record

Synonyms

20 entry terms
  • CYP 2D6
  • CYP2D6
  • Cytochrome P450 2D6
  • Debrisoquine 4-Hydroxylase
  • Debrisoquine 4-Monooxygenase
  • Debrisoquine Hydroxylase
  • Imipramine 2-Hydroxylase
  • Sparteine Monooxygenase
  • 2-Hydroxylase, Imipramine
  • 4-Hydroxylase, Debrisoquine
  • 4-Monooxygenase, Debrisoquine
  • CYP2D6, Cytochrome P-450
  • Cytochrome P 450 CYP2D6
  • Debrisoquine 4 Hydroxylase
  • Debrisoquine 4 Monooxygenase
  • Hydroxylase, Debrisoquine
  • Imipramine 2 Hydroxylase
  • Monooxygenase, Sparteine
  • P-450 CYP2D6, Cytochrome
  • P450 2D6, Cytochrome

MeSH Record

Aspects Covered

28 allowable subheadings

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

MeSH Record

History Note

97; was DEBRISOQUINE 4-HYDROXYLASE (NM) 1982-96

MeSH Record

Previous Indexing

  • Cytochrome P-450 (1975-1996)
  • Hydroxylases (1979-1996)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Cytochrome P-450 CYP2D6. Medical Subject Headings (MeSH). 2026. Unique ID D019389. http://id.nlm.nih.gov/mesh/2026/D019389
  2. Cytochrome P-450 CYP2D6. In: Wikipedia. https://en.wikipedia.org/wiki/CYP2D6
  3. Cytochrome P-450 CYP2D6. In: Wikidata. https://www.wikidata.org/wiki/Q3271142