Results 1 to 10 of about 2,717,251 (287)

Preanalytical classical and alternative complement pathway activity loss [PDF]

open access: yesBiochemia Medica, 2019
Introduction: Complement functional analyses provide insight into the integrity of the entire complement reaction cascade. These tests are suitable for investigating suspected complement deficiencies. Falsely reduced test outcomes may result from preanalytical instabilities of individual complement components.
Vercauteren, Koen O.A.   +2 more
openaire   +3 more sources

Human pentraxin 3 binds to the complement regulator c4b-binding protein.

open access: yesPLoS ONE, 2011
The long pentraxin 3 (PTX3) is a soluble recognition molecule with multiple functions including innate immune defense against certain microbes and the clearance of apoptotic cells.
Anne Braunschweig, Mihály Józsi
doaj   +1 more source

Reducing sialylation in melanoma increases classical pathway-mediated complement activation

open access: yesiScience
Summary: Strategies to reduce tumor sialylation have progressed to clinical trials, as they improved anti-tumor cellular responses in pre-clinical models.
Magali Coccimiglio   +6 more
doaj   +1 more source

Bothrops snake venoms and their isolated toxins, an L-amino acid oxidase and a serine protease, modulate human complement system pathways

open access: yesJournal of Venomous Animals and Toxins including Tropical Diseases, 2015
Background Activation of the complement system plays an important role in the regulation of immune and inflammatory reactions, and contributes to inflammatory responses triggered by envenomation provoked byBothrops snakes.
Lorena Rocha Ayres   +7 more
doaj   +1 more source

Hipocomplementemia en pacientes con enfermedad de Hodgkin Hypocomplementaemia in patients with Hodgkin disease

open access: yesRevista Cubana de Hematología, Inmunología y Hemoterapia, 2003
The haemolytic activity of the classical and alternative pathways, of factors B and D, as well as of the levels of C1q, C3 and C4 was determined in the serum of 24 adult patients with Hodgkin disease at different clinical stages.
doaj  

Interaction of lactoferrin, lysozyme and the complement system in in vitro modeling of innate immune responses

open access: yesЖурнал микробиологии, эпидемиологии и иммунобиологии
Introduction. Complement is a key humoral participant of immunity involved in defensive and pathological processes. Human lysozyme (hLZ), hen egg white lysozyme (HEWL) and lactoferrin (LF) are classical constituents of innate immunity.
Ilia A. Krenev   +6 more
doaj   +1 more source

Gut microbial dysbiosis activates the classical complement pathway in a short-term morphine treatment model

open access: yesGut Microbes Reports
Antibodies play an essential role in preserving intestinal homeostasis in healthy and dysbiotic states. Recent studies demonstrate that a microbiome-dependent intestine-specific complement system maintains intestinal homeostasis.
Nicolas Vitari   +7 more
doaj   +1 more source

An Excretory Protein of Echinococcus multilocularis Inhibits Complement Classical Pathway Activation

open access: yesInfection and Drug Resistance, 2022
Yiwen Qiu, Shu Shen, Yi Yang, Wentao Wang Department of Liver Surgery and Liver Transplantation Center, West China Hospital of Sichuan University, Chengdu, People’s Republic of ChinaCorrespondence: Wentao Wang, Department of Liver Surgery and Liver ...
Qiu Y, Shen S, Yang Y, Wang W
doaj  

C1q acts in the tumour microenvironment as a cancer-promoting factor independently of complement activation

open access: yesNature Communications, 2016
C1q is known to initiate the activation of the complement classical pathway. Here, the authors show the C1q is expressed in the tumour microenvironment and can promote cancer cell migration and adhesion in a complement activation-independent manner.
Roberta Bulla   +9 more
doaj   +1 more source

Floridoside Extracted from the Red Alga Mastocarpus stellatus Is a Potent Activator of the Classical Complement Pathway

open access: yesMarine Drugs, 2008
Many biological properties of algae have been found to have useful applications in human health, particularly in the fields of oncology and immunology.
Anne Bordron   +6 more
doaj  

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