Cited by 14Immune Response and InflammationTrauma, Hemostasis, Coagulopathy, ResuscitationSepsis Diagnosis and Treatment

Biological significance of elevated TNF levels: In vivo administration of monoclonal antibody against TNF following haemorrhage shock increases the capacity of macrophages to release TNF while restoring immuno-responsiveness

Ertel, Wolfgang, Morrison, Mary H., Ayala, Alfred, Chaudry, Irshad H.·1994·Cytokine

Abstract

Haemorrhagic shock results in a severe depression of the cellular and humoral immunity, thus rendering the host increasingly susceptible to sepsis. To study the effect of elevated TNF release following haemorrhagic shock on depressed macrophage and splenocyte functions, C3H/HeN mice were pretreated intraperitoneally with either anti-murine TNF-Ab or saline. Twenty hrs later, mice were bled to and maintained at a mean BP of 35 mmHg for 60 min followed by adequate fluid resuscitation. Pretreatment with anti-TNF-Ab completely neutralized elevated TNF plasma levels following haemorrhage. This was associated with an increased (P < 0.05) capacity of pMø isolated 24 h after haemorrhagic shock to release TNF, while the ability to secrete IL-6 and PGE2 was reduced. Haemorrhagic shock-induced suppression of pMø antigen presentation capacity and MHC class II antigen expression, as well as depression of splenocyte proliferation and lymphokine production was also attenuated (P < 0.05) by anti-TNF-Ab pretreatment. These data indicate that elevated circulating TNF levels play a pivotal role in the depression of essential macrophage and splenocyte functions following haemorrhagic shock.

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Crossref · 10.1016/1043-4666(94)90050-7

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43 of 43 references verified0 citation errors · 0 not checkable

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  • Cytokine overproduction is implicated in the development of tissue damage and organ injury during hemorrhagic shock.

    “Cytokine overproduction has been implicated in the development of tissue damage and organ injury during hemorrhagic shock (37)(38)(39).”

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Authors
Ertel, W., Morrison, M. H., Ayala, A., & Chaudry, I. H.
Affiliations
Michigan State University (US)
Venue
Cytokine
Publisher
Elsevier BV
Published
1994-11
Volume
6
Issue
6
Pages
624-632
ISSN
1043-4666 (ISSN-L)
OpenAlex
W2091141002
Cited by
14
References
43
Citations by year
2025: 1 · 2022: 1 · 2019: 1 · 2014: 1
FWCI
0.15
Type
journal article
Language
en
Open access
closed
Locations
  • Cytokine (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of General Medical Sciences (R01GM037127)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Health Sciences › Medicine › Critical Care and Intensive Care Medicine › Trauma, Hemostasis, Coagulopathy, Resuscitation
  • Health Sciences › Medicine › Epidemiology › Sepsis Diagnosis and Treatment
Keywords
hemorrhagic shock, TNF-α, anti-TNF monoclonal antibody, macrophages, splenocytes, immunosuppression, antigen presentation, MHC class II expression, interleukin-6, prostaglandin E2, sepsis susceptibility, lymphocyte proliferation, C3H/HeN mice
MeSH terms
Animals, Antibodies, Monoclonal, Histocompatibility Antigens Class II, Interferon-gamma, Interleukin-2, Lymphocyte Activation, Lymphokines, Male, Mice, Inbred C3H, Resuscitation, Shock, Hemorrhagic, Spleen, Time Factors, Tumor Necrosis Factor-alpha, Dinoprostone, Macrophages, Peritoneal, Mice

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