Chemicals and Drugs

Kininogens

Endogenous peptides present in most body fluids. Certain enzymes convert them to active KININS which are involved in inflammation, blood clotting, complement reactions, etc. Kininogens belong to the cystatin superfamily. They are cysteine proteinase inhibitors. HIGH-MOLECULAR-WEIGHT KININOGEN; (HMWK); is split by plasma kallikrein to produce BRADYKININ. LOW-MOLECULAR-WEIGHT KININOGEN; (LMWK); is split by tissue kallikrein to produce KALLIDIN.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Endogenous peptides present in most body fluids. Certain enzymes convert them to active KININS which are involved in inflammation, blood clotting, complement reactions, etc. Kininogens belong to the cystatin superfamily. They are cysteine proteinase inhibitors. HIGH-MOLECULAR-WEIGHT KININOGEN; (HMWK); is split by plasma kallikrein to produce BRADYKININ. LOW-MOLECULAR-WEIGHT KININOGEN; (LMWK); is split by tissue kallikrein to produce KALLIDIN.

MeSH Record

Classification

Related Concepts

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

8 entry terms
  • Cystatins, Kininogen
  • Prekinins
  • Prokinins
  • Kininogen Cystatins
  • Kininogen
  • T-Kininogen
  • Thiostatin
  • T Kininogen

MeSH Record

Aspects Covered

29 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analysis, antagonists & inhibitors, 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, urine.

MeSH Record

Indexing Annotation

cysteine proteinase inhib; /drug eff /physiol permitted

MeSH Record

History Note

74(72)

MeSH Record

Previous Indexing

  • Kinins (1966-1971)
  • Proteins (1966-1971)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Kininogens. Medical Subject Headings (MeSH). 2026. Unique ID D007704. http://id.nlm.nih.gov/mesh/2026/D007704
  2. Kininogens. In: Wikipedia. https://en.wikipedia.org/wiki/Kininogen
  3. Kininogens. In: Wikidata. https://www.wikidata.org/wiki/Q6413860