Literature DB >> 1695461

Haemophilus influenzae potentiates basophil histamine release possibly by its endotoxins.

S Norn1, P Clementsen, A Fomsgaard, M Kilian.   

Abstract

Haemophilus influenzae and its extracellular products (EP) did not release histamine in leukocyte suspensions from normal individuals. However, the EP were found to enhance basophil histamine release triggered by anti-IgE and by the calcium ionophore A23187. Experiments with EP indicate that it is the content of endotoxins which is responsible for the potentiating effect. Removal of endotoxin from the EP thus completely abolished the potentiating effect, whereas inactivation of its protease and proteins by heat-treatment or by proteinase K did not change the potentiation. A reinforcement of mediator release by the extracellular products of H. influenzae might play a pathophysiological role in chronic obstructive pulmonary disease.

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Year:  1990        PMID： 1695461     DOI： 10.1007/bf01968997

Source DB:  PubMed          Journal:  Agents Actions        ISSN： 0065-4299


  10 in total

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Authors:  P A SHORE; A BURKHALTER; V H COHN
Journal:  J Pharmacol Exp Ther       Date:  1959-11       Impact factor: 4.030

2.  Haemophilus parainfluenzae and H influenzae respiratory infections: comparison of clinical features.

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Journal:  Br Med J (Clin Res Ed)       Date:  1985-09-14

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Authors:  T F Smith; M Aelvoet; D C Morrison
Journal:  Clin Immunol Immunopathol       Date:  1985-03

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Authors:  S Norn; L Baek; C Jensen; P S Skov; H Permin; J O Jarløv; C Koch
Journal:  Allergy       Date:  1986-02       Impact factor: 13.146

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Authors:  M K Church; S Norn; G J Pao; S T Holgate
Journal:  Clin Allergy       Date:  1987-07

6.  Immunoglobulin A (IgA).

Authors:  J Mestecky; M Kilian
Journal:  Methods Enzymol       Date:  1985       Impact factor: 1.600

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Authors:  J C Van der Zwan; N G Orie; H F Kauffman; P W Wiers; K de Vries
Journal:  Clin Allergy       Date:  1982-11

8.  Staphylococcus aureus and influenza A virus stimulate human bronchoalveolar cells to release histamine and leukotrienes.

Authors:  P Clementsen; H Bisgaard; M Pedersen; H Permin; E Struve-Christensen; N Milman; B Nüchel-Petersen; S Norn
Journal:  Agents Actions       Date:  1989-04

9.  New, sensitive rocket immunoelectrophoretic assay for measurement of the reaction between endotoxin and Limulus amoebocyte lysate.

Authors:  L Baek
Journal:  J Clin Microbiol       Date:  1983-06       Impact factor: 5.948

10.  A simplified method for measuring basophil histamine release and blocking antibodies in hay fever patients. Basophil histamine content and cell preservation.

Authors:  P S Skov; S Norn
Journal:  Acta Allergol       Date:  1977-06
  10 in total
  1 in total

1.  Expression of the CopB outer membrane protein by Moraxella catarrhalis is regulated by iron and affects iron acquisition from transferrin and lactoferrin.

Authors:  C Aebi; B Stone; M Beucher; L D Cope; I Maciver; S E Thomas; G H McCracken; P F Sparling; E J Hansen
Journal:  Infect Immun       Date:  1996-06       Impact factor: 3.441
  1 in total

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