Results 31 to 40 of about 6,275 (172)

Complement anaphylatoxin C4a inhibits C5a-induced neointima formation following arterial injury

open access: yesMolecular Medicine Reports, 2014
Interactions between complement anaphylatoxins have been investigated in numerous fields; however, their functions during arterial remodeling following injury have not been studied. The inhibitory effect of complement anaphylatoxin C4a on neointima formation induced by C5a following arterial injury was investigated.
ZHAO, YAN   +3 more
openaire   +3 more sources

A serine protease isolated from the bristles of the Amazonic caterpillar, Premolis semirufa, is a potent complement system activator. [PDF]

open access: yesPLoS ONE, 2015
The caterpillar of the moth Premolis semirufa, commonly named pararama, is found in the Brazilian Amazon region. Accidental contact with the caterpillar bristles causes an intense itching sensation, followed by symptoms of an acute inflammation, which ...
Isadora Maria Villas Boas   +5 more
doaj   +1 more source

Association between copy number variation of complement component C4 and Graves' disease

open access: yesJournal of Biomedical Science, 2011
Background Gene copy number of complement component C4, which varies among individuals, may determine the intrinsic strength of the classical complement pathway.
Liao Wen-Ling   +7 more
doaj   +1 more source

Bothrops jararaca Snake Venom Inflammation Induced in Human Whole Blood: Role of the Complement System

open access: yesFrontiers in Immunology, 2022
The clinical manifestations of envenomation by Bothrops species are complex and characterized by prominent local effects that can progress to tissue loss, physical disability, or amputation. Systemic signs can also occur, such as hemorrhage, coagulopathy,
Thyago Bispo Leonel   +5 more
doaj   +1 more source

Risk and protection of different rare protein-coding variants of complement component C4A in age-related macular degeneration

open access: yesFrontiers in Genetics
Introduction: Age-related macular degeneration (AMD) is the leading cause of central vision loss in the elderly. One-third of the genetic contribution to this disease remains unexplained.Methods: We analyzed targeted sequencing data from two independent ...
Johanna M. Seddon   +9 more
doaj   +1 more source

Plasma protein biomarkers of hepatocellular carcinoma in HCV-infected alcoholic patients with cirrhosis. [PDF]

open access: yesPLoS ONE, 2015
Hepatocellular carcinoma (HCC) is one of the most common and lethal cancers in the world, with limited options for treatment unless timely diagnosed. Chronic hepatitis C virus (HCV) infection and persistent heavy alcohol consumption are independent risk ...
Gustavo Ferrín   +11 more
doaj   +1 more source

Changes in Expression of Complement Components in the Ovine Spleen during Early Pregnancy

open access: yesAnimals, 2021
During early gestation in humans, complement regulation is essential for normal fetal growth. It is supposed that a complement pathway participates in maternal splenic immune regulation at the early stage of gestation in ewes.
Ling Yang   +5 more
doaj   +1 more source

Restriction fragment analysis of duplication of the fourth component of complement (C4A)

open access: yesGenomics, 1988
The two genes encoding the fourth component of complement (C4A and C4B) reside between HLA-B and HLA-DR on human chromosome 6. Two kilobases downstream from each C4 gene lies a 21-hydroxylase gene (CA21HA and CA21HB, respectively). Utilizing the method of Southern blotting and a 5'-end 2.4-kb BamHI/KpnI fragment of the C4 cDNA, we have analyzed TaqI ...
R H, McLean   +5 more
openaire   +2 more sources

APOE‐stratified Proteomic and Metabolomic Analysis Reveals Mitochondrial Dysfunction Inflammation and Lipid Dysregulation in Alzheimer's Disease

open access: yesAdvanced Science, EarlyView.
A large‐scale multiomic dataset (proteomic and metabolomic) comprising 3,060 plasma samples were analyzed to identify proteins, metabolites, pathways, and protein‐associated drugs linked to Alzheimer’s Disease (AD) independently of apolipoprotein E (APOE). AD was associated with a distinct molecular signature that captures.
Fuhai Li   +22 more
wiley   +1 more source

Distinct Effects of Complement C4A and C4B Copy Numbers in Systemic Sclerosis Serological and Clinical Subtypes

open access: yesArthritis &Rheumatology, EarlyView.
Objective Complement component 4 (C4), encoded by C4A and C4B within the major histocompatibility complex (MHC) on chromosome 6, regulates the immune response and clears immune complexes. The variable copy number (CN) of C4 genes and retroviral human endogenous retrovirus K (HERV‐K) element influence its function.
Javier Martínez‐López   +156 more
wiley   +1 more source

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