Results 51 to 60 of about 175,214 (207)

Preanalytical classical and alternative complement pathway activity loss

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   +2 more sources

Classical and alternate complement factor overexpression in non-obese weight matched women with polycystic ovary syndrome does not correlate with vitamin D

open access: yesFrontiers in Endocrinology, 2022
IntroductionWomen with polycystic ovary syndrome (PCOS) exhibit complement factor expression changes that may be obesity-driven rather than an intrinsic facet of PCOS; furthermore, complement changes have been associated with vitamin D deficiency, a ...
Abu Saleh Md Moin   +3 more
doaj   +1 more source

Heme Interacts with C1q and Inhibits the Classical Complement Pathway [PDF]

open access: yesJournal of Biological Chemistry, 2011
C1q is the recognition subunit of the first component of the classical complement pathway. It participates in clearance of immune complexes and apoptotic cells as well as in defense against pathogens. Inappropriate activation of the complement contributes to cellular and tissue damage in different pathologies, urging the need for the development of ...
Lubka T, Roumenina   +7 more
openaire   +2 more sources

DYSFUNCTION OF COMPLEMENT SYSTEM IN FAMILIAL MEDITERRANEAN FEVER

open access: yesМедицинская иммунология, 2014
. During attacks of familial mediterranean fever (FMF), multiple systemic events are triggered, most of which promote autoinflammatory reactions. A molecular pattern of immune abnormalities in FMF is yet unclear.
G. M. Mkrtchyan   +4 more
doaj   +1 more source

Measuring Total Classical Pathway and Activities of Individual Components of the Mouse Complement Pathway

open access: yesBio-Protocol, 2021
The complement system is a central component of innate immunity, responsible for recognition and killing of bacteria by tagging invaders through opsonisation, thereby promoting phagocytosis, and by direct lysis.
Wioleta Zelek
doaj   +1 more source

Contribution of complement activation pathways to neuropathology differs among mouse models of Alzheimer's disease [PDF]

open access: yes, 2011
Background Complement proteins and activation products have been found associated with neuropathology in Alzheimer's disease (AD). Recently, a C5a receptor antagonist was shown to suppress neuropathology in two murine models of AD, Tg2576 and
Maria I Fonseca   +6 more
core   +2 more sources

Alterations in the complement cascade in post-traumatic stress disorder

open access: yesAllergy, Asthma & Clinical Immunology, 2010
Background In the present study we assessed the functional state of the major mediator of the immune response, the complement system, in post-traumatic stress disorder (PTSD).
Hovhannisyan Lilit P   +3 more
doaj   +1 more source

Differential Gene Expression in Liver, Gill, and Olfactory Rosettes of Coho Salmon (Oncorhynchus kisutch) After Acclimation to Salinity. [PDF]

open access: yes, 2015
Most Pacific salmonids undergo smoltification and transition from freshwater to saltwater, making various adjustments in metabolism, catabolism, osmotic, and ion regulation. The molecular mechanisms underlying this transition are largely unknown.
Bammler, Theo K   +8 more
core   +1 more source

Hypoxic Processes Induce Complement Activation via Classical Pathway in Porcine Neuroretinas

open access: yesCells, 2021
Considering the fact that many retinal diseases are yet to be cured, the pathomechanisms of these multifactorial diseases need to be investigated in more detail.
Ana M. Mueller-Buehl   +6 more
doaj   +1 more source

Serum amyloid P aids complement-mediated immunity to Streptococcus pneumoniae [PDF]

open access: yes, 2007
The physiological functions of the acute phase protein serum amyloid P (SAP) component are not well defined, although they are likely to be important, as no natural state of SAP deficiency has been reported.
Botto, M.   +3 more
core  

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