Cited by 45Complement system in diseasesSepsis Diagnosis and TreatmentInflammation biomarkers and pathways

C5a anaphylatoxin and its role in critical illness-induced organ dysfunction

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Wood, Alexander J. T., Vassallo, Arlette, Summers, Charlotte, Chilvers, Edwin R., Conway‐Morris, Andrew·2018·European Journal of Clinical Investigation

Abstract

Critical illness is an aetiologically and clinically heterogeneous syndrome that is characterised by organ failure and immune dysfunction. Mortality in critically ill patients is driven by inflammation‐associated organ damage and a profound vulnerability to nosocomial infection. Both factors are influenced by the activated complement protein C5a, released by unbridled activation of the complement system during critical illness. C5a exerts deleterious effects on organ systems directly and suppresses antimicrobial functions of key immune cells. Whilst several recent reports have added key knowledge of the cellular signalling pathways triggered by C5a, there remain a number of areas that are incompletely understood and therapeutic opportunities are still being evaluated. In this review, we summarise the cellular basis for C5a‐induced vulnerability to nosocomial infection and organ dysfunction. We focus on cells of the innate immune system, highlighting the major areas in need of further research and potential avenues for targeted therapies.

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Crossref · 10.1111/eci.13028

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Authors
Wood, A. J. T., Vassallo, A., Summers, C., Chilvers, E. R., & Conway‐Morris, A.
Affiliations
  • University of Cambridge (GB)
  • Department of Medicine University of Cambridge Cambridge UK
Corresponding author
Wood, Alexander J. T.
Venue
European Journal of Clinical Investigation
Publisher
Wiley
Published
2018-10-15
Volume
48
Issue
12
Pages
e13028-e13028
ISSN
  • 0014-2972 (ISSN-L)
  • 1365-2362
OpenAlex
W2892168129
Cited by
45
References
128
Citations by year
2026: 1 · 2025: 8 · 2024: 2 · 2023: 9 · 2022: 8 · 2021: 8 · 2020: 7 · 2019: 2
FWCI
0.43
Type
journal article
Language
en
Open access
Locations
  • European Journal of Clinical Investigation (publishedVersion)
  • PubMed (publishedVersion)
  • Spiral (Imperial College London) (submittedVersion)
  • Apollo (University of Cambridge) (submittedVersion)
  • Apollo
Funders
  • National Institute on Handicapped Research
  • Gates Cambridge Trust
  • Wellcome Trust (2055214/Z/16/Z)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Complement system in diseases
  • Health Sciences › Medicine › Epidemiology › Sepsis Diagnosis and Treatment
  • Life Sciences › Immunology and Microbiology › Immunology › Inflammation biomarkers and pathways
Keywords
C5a, complement activation, critical illness, organ dysfunction, organ failure, nosocomial infections, innate immunity, inflammation, immune dysfunction, targeted therapy
MeSH terms
Anaphylatoxins, Blood Coagulation, Blood Platelets, Cardiovascular System, Cell Communication, Endothelium, Vascular, Humans, Immunity, Innate, Immune System Diseases, Multiple Organ Failure, Complement C5a, Critical Illness, Receptor, Anaphylatoxin C5a

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