Cited by 213Complement system in diseasesAlzheimer's disease research and treatmentsNeuroinflammation and Neurodegeneration Mechanisms

Complement in the pathogenesis of Alzheimer’s disease

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Morgan, B. Paul·2018·Seminars in Immunopathology

Abstract

The emergence of complement as an important player in normal brain development and pathological remodelling has come as a major surprise to most scientists working in neuroscience and almost all those working in complement. That a system, evolved to protect the host against infection, should have these unanticipated roles has forced a rethink about what complement might be doing in the brain in health and disease, where it is coming from, and whether we can, or indeed should, manipulate complement in the brain to improve function or restore homeostasis. Complement has been implicated in diverse neurological and neuropsychiatric diseases well reviewed elsewhere, from depression through epilepsy to demyelination and dementia, in most complement drives inflammation to exacerbate the disease. Here, I will focus on just one disease, the most common cause of dementia, Alzheimer's disease. I will briefly review the current understanding of what complement does in the normal brain, noting, in particular, the many gaps in understanding, then describe how complement may influence the genesis and progression of pathology in Alzheimer's disease. Finally, I will discuss the problems and pitfalls of therapeutic inhibition of complement in the Alzheimer brain.

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Authors
Morgan, B. P.
Affiliations
Cardiff University (GB)
Corresponding author
Morgan, B. Paul
Venue
Seminars in Immunopathology
Published
2017-11-13
Volume
40
Issue
1
Pages
113-124
ISSN
  • 1863-2297 (ISSN-L)
  • 1863-2300
OpenAlex
W2769984699
Cited by
194
References
93
Citations by year
2026: 14 · 2025: 16 · 2024: 35 · 2023: 16 · 2022: 18 · 2021: 32 · 2020: 31 · 2019: 22 · 2018: 10
FWCI
1.77
Type
journal article
Language
en
Open access
Locations
  • Seminars in Immunopathology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • ORCA Online Research @Cardiff (Cardiff University) (acceptedVersion)
Funders
Cardiff University
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Complement system in diseases
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
complement system, Alzheimer's disease, complement inhibition therapy, neuroinflammation, brain homeostasis, dementia pathogenesis

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