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Survey of plant inhibitors of polymorphonuclear leukocyte elastase, pancreatic elastase, cathepsin G, cathepsin B, Hageman factor fragments, and other serine proteinases

Academic Article
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Overview

authors

  • Hojima, Y.
  • Pisano, J. J.
  • Cochrane, Charles

publication date

  • 1983

journal

  • Biochemical Pharmacology  Journal

abstract

  • Various flower bulbs and vegetable and legume seeds were tested for inhibitors of polymorphonuclear leukocyte elastase, pancreatic elastase, cathepsin G, cathepsin B, trypsin, alpha-chymotrypsin, Hageman factor fragments, plasma kallikrein, and plasmin. Calla bulbs contained a 33,000 dalton polymorphonuclear leukocyte elastase inhibitor and a 4,000 dalton cathepsin G inhibitor. Seeds of some members in the Cruciferae family, such as radish and broccoli, were found to contain one or more 2,500-4,000 dalton inhibitors which inhibited cathepsin G, trypsin, Hageman factor fragments, and plasmin, but not plasma kallikrein. These seeds also contained a 1,000 dalton cathepsin B inhibitor. The above inhibitors were probably polypeptides which inhibited proteinases by making an enzyme-inhibitor complex, with the exception of the cathepsin B inhibitor. These newly found inhibitors with their characteristic profiles of inhibition should be useful in biochemical and pathophysiological studies on granulocyte proteinases and enzymes of the coagulation and fibrinolytic pathways.

subject areas

  • Cathepsin B
  • Cathepsin G
  • Cathepsins
  • Factor XII
  • Factor XIIa
  • Humans
  • In Vitro Techniques
  • Neutrophils
  • Pancreas
  • Pancreatic Elastase
  • Peptide Fragments
  • Plant Extracts
  • Protease Inhibitors
  • Serine Endopeptidases
  • Species Specificity
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Identity

International Standard Serial Number (ISSN)

  • 0006-2952

Digital Object Identifier (DOI)

  • 10.1016/0006-2952(83)90615-9

PubMed ID

  • 6340694
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Additional Document Info

start page

  • 985

end page

  • 990

volume

  • 32

issue

  • 6

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