Effects of the Bacterial Extract OM-85 on Phagocyte Functions and the Stress Response

The effects of the bacterial extract OM-85 on the respiratory burst, intracellular calcium and the stress response have been investigated in human peripheral blood monocytes from normal donors. Activation of the respiratory burst during bacterial phagocytosis has been previously associated with heat...

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Main Authors: S. Baladi, S. Kantengwa, Y. R. A. Donati, B. S. Polla
Format: Article
Language:English
Published: Wiley 1994-01-01
Series:Mediators of Inflammation
Online Access:http://dx.doi.org/10.1155/S0962935194000189
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author S. Baladi
S. Kantengwa
Y. R. A. Donati
B. S. Polla
author_facet S. Baladi
S. Kantengwa
Y. R. A. Donati
B. S. Polla
author_sort S. Baladi
collection DOAJ
description The effects of the bacterial extract OM-85 on the respiratory burst, intracellular calcium and the stress response have been investigated in human peripheral blood monocytes from normal donors. Activation of the respiratory burst during bacterial phagocytosis has been previously associated with heat shock/stress proteins synthesis. Whereas OM-85 stimulated superoxide production and increased Ca2+ mobilization, it fared to induce synthesis of classical HSPs. The lack of stress protein induction was observed even in the presence of iron which potentiates both oxidative injury and stress protein induction during bacterial phagocytosis. However OM-85 induced a 75–78 kDa protein, which is likely to be a glucose regulated protein (GRP78), and enhanced intracellular expression of interleukin-lβ precursor.
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institution Kabale University
issn 0962-9351
1466-1861
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publishDate 1994-01-01
publisher Wiley
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series Mediators of Inflammation
spelling doaj-art-62068fd87cd14a79b0eae9b2329b1ad92025-02-03T05:46:58ZengWileyMediators of Inflammation0962-93511466-18611994-01-013214314810.1155/S0962935194000189Effects of the Bacterial Extract OM-85 on Phagocyte Functions and the Stress ResponseS. Baladi0S. Kantengwa1Y. R. A. Donati2B. S. Polla3Allergy Unit, University Hospital, 1211 Geneva 14, SwitzerlandAllergy Unit, University Hospital, 1211 Geneva 14, SwitzerlandAllergy Unit, University Hospital, 1211 Geneva 14, SwitzerlandAllergy Unit, University Hospital, 1211 Geneva 14, SwitzerlandThe effects of the bacterial extract OM-85 on the respiratory burst, intracellular calcium and the stress response have been investigated in human peripheral blood monocytes from normal donors. Activation of the respiratory burst during bacterial phagocytosis has been previously associated with heat shock/stress proteins synthesis. Whereas OM-85 stimulated superoxide production and increased Ca2+ mobilization, it fared to induce synthesis of classical HSPs. The lack of stress protein induction was observed even in the presence of iron which potentiates both oxidative injury and stress protein induction during bacterial phagocytosis. However OM-85 induced a 75–78 kDa protein, which is likely to be a glucose regulated protein (GRP78), and enhanced intracellular expression of interleukin-lβ precursor.http://dx.doi.org/10.1155/S0962935194000189
spellingShingle S. Baladi
S. Kantengwa
Y. R. A. Donati
B. S. Polla
Effects of the Bacterial Extract OM-85 on Phagocyte Functions and the Stress Response
Mediators of Inflammation
title Effects of the Bacterial Extract OM-85 on Phagocyte Functions and the Stress Response
title_full Effects of the Bacterial Extract OM-85 on Phagocyte Functions and the Stress Response
title_fullStr Effects of the Bacterial Extract OM-85 on Phagocyte Functions and the Stress Response
title_full_unstemmed Effects of the Bacterial Extract OM-85 on Phagocyte Functions and the Stress Response
title_short Effects of the Bacterial Extract OM-85 on Phagocyte Functions and the Stress Response
title_sort effects of the bacterial extract om 85 on phagocyte functions and the stress response
url http://dx.doi.org/10.1155/S0962935194000189
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