Results 11 to 20 of about 325,802 (246)

Systemic complement activation in age-related macular degeneration. [PDF]

open access: yesPLoS ONE, 2008
Dysregulation of the alternative pathway (AP) of complement cascade has been implicated in the pathogenesis of age-related macular degeneration (AMD), the leading cause of blindness in the elderly. To further test the hypothesis that defective control of
Hendrik P N Scholl   +12 more
doaj   +1 more source

Acidosis activates complement system in vitro

open access: yesMediators of Inflammation, 1998
We investigated the in vitro effect of different form s of acidosis (pH 7.0) on the formation of anaphylatoxins C3a and C5a. Metabolic acidosis due to addition of hydrochloric acid (10 μ mol/ml blood) or lactic acid (5.5 μ mol/ml) to heparin blood (N=12)
Michael Emeis   +5 more
doaj   +1 more source

Essential Role of Complement in Pregnancy: From Implantation to Parturition and Beyond

open access: yesFrontiers in Immunology, 2020
The complement cascade was identified over 100 years ago, yet investigation of its role in pregnancy remains an area of intense research. Complement inhibitors at the maternal-fetal interface prevent inappropriate complement activation to protect the ...
Guillermina Girardi   +3 more
doaj   +1 more source

Profiling Complement System Components in Primary CNS Vasculitis

open access: yesCells, 2021
Complement activation has been implicated in the pathogenesis of many vasculitic syndromes such as anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitides.
Milani Deb-Chatterji   +6 more
doaj   +1 more source

Using animal models to determine the significance of complement activation in Alzheimer's disease

open access: yesJournal of Neuroinflammation, 2004
Complement inflammation is a major inflammatory mechanism whose function is to promote the removal of microorganisms and the processing of immune complexes.
Loeffler David A
doaj   +1 more source

Clinical relevance of glomerular IgM deposition in patients with lupus nephritis

open access: yesBMC Immunology, 2021
Background The aim of the study was to investigate the clinical relevance of IgM deposition in patients with lupus nephritis (LN) in a large cohort. Results 217 patients with renal biopsy-proven active LN were enrolled.
Fengmei Wang   +6 more
doaj   +1 more source

Complement Proteins as Soluble Pattern Recognition Receptors for Pathogenic Viruses

open access: yesViruses, 2021
The complement system represents a crucial part of innate immunity. It contains a diverse range of soluble activators, membrane-bound receptors, and regulators.
Valarmathy Murugaiah   +5 more
doaj   +1 more source

Beyond Binding: The Outcomes of Antibody-Dependent Complement Activation in Human Malaria

open access: yesFrontiers in Immunology, 2021
Antibody immunity against malaria is effective but non-sterile. In addition to antibody-mediated inhibition, neutralisation or opsonisation of malaria parasites, antibody-mediated complement activation is also important in defense against infection ...
Dilini Rathnayake   +2 more
doaj   +1 more source

Complement-Activating Capacity of Autoantibodies Correlates With Disease Activity in Bullous Pemphigoid Patients

open access: yesFrontiers in Immunology, 2018
Background: Bullous pemphigoid is a subepidermal blistering skin disease, associated with autoantibodies to hemidesmosomal proteins, complement activation at the dermal-epidermal junction, and dermal granulocyte infiltration.
Roxana M. Chiorean   +9 more
doaj   +1 more source

Platelet Mediated Complement Activation [PDF]

open access: yes, 2008
The complement system comprises a series of proteases and inhibitors that are activated in cascade-like fashion during host defense (Makrides 1998). A growing body of evidence supports the hypothesis that immune mechanisms, including complement activation, are involved in inflammatory conditions associated with vascular injury (Acostan et al.
Ellinor I B, Peerschke   +2 more
openaire   +2 more sources

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