Results 51 to 60 of about 30,787 (208)

A multicenter, prospective, observational study to determine association of mesangial C1q deposition with renal outcomes in IgA nephropathy

open access: yesScientific Reports, 2021
It was reported that histopathologic lesions are risk factors for the progression of IgA Nephropathy (IgAN). The aim of this study was to investigate the relationships between mesangial deposition of C1q and renal outcomes in IgAN.
Li Tan   +8 more
doaj   +1 more source

Loss of SHP1 in Spinal Astrocytes Triggers T‐Lymphocyte Infiltration and Nociceptive Hypersensitivity

open access: yesAdvanced Science, EarlyView.
Astrocyte‐specific SHP1 deletion disrupts astrocyte–vascular interactions and compromises BBB integrity while enhancing STAT1‐dependent CXCL10 expression. These changes synergistically promote peripheral CD4+ and CD8+ T‐cell infiltration into the SDH. The infiltrating T cells secrete IFN‐γ, which in turn activates microglia.
Lan‐Xing Yi   +7 more
wiley   +1 more source

Clinical impact of complement (C1q, C3d) binding De Novo donor-specific HLA antibody in kidney transplant recipients. [PDF]

open access: yesPLoS ONE, 2018
INTRODUCTION:Complement binding activity of donor-specific HLA antibodies (DSA) has been suggested as a new tool to stratify immunologic risk in kidney transplantation (KT).
Hyeyoung Lee   +7 more
doaj   +1 more source

Complement Component C1q and Anti‐C1q Antibodies in Theory and in Clinical Practice [PDF]

open access: yesScandinavian Journal of Immunology, 2008
AbstractThe complement system is a major part of the innate immunity. The first component of the classical pathway of complement activation, C1q, plays a crucial role in the clearance of immune complexes and apoptotic bodies from the organism. Autoantibodies against C1q (anti‐C1q) have been found in a number of autoimmune and infectious diseases.
E, Potlukova, P, Kralikova
openaire   +2 more sources

Proinflammatory Epstein–Barr Virus Antibody Functions Track with Disease Activity in Multiple Sclerosis

open access: yesAnnals of Neurology, EarlyView.
Objective Epstein–Barr virus (EBV) has been implicated in the pathogenesis of multiple sclerosis (MS). Elevated immunoglobulin G (IgG) titers against EBV nuclear antigen 1 (EBNA1) represent the most consistent serological marker of MS risk, with levels remaining persistently elevated following disease onset.
Malina Behrens   +9 more
wiley   +1 more source

Fc-Galactosylation of Human Immunoglobulin Gamma Isotypes Improves C1q Binding and Enhances Complement-Dependent Cytotoxicity

open access: yesFrontiers in Immunology, 2017
Binding of the complement component C1q to the CH2 domain of antigen-bound immunoglobulin gamma (IgG) activates the classical complement pathway and depends on its close proximity to Fc fragments of neighboring antibodies. IgG subclasses contain a highly
Benjamin Peschke   +6 more
doaj   +1 more source

Complement protein C1q stimulates hyaluronic acid degradation via gC1qR/HABP1/p32 in malignant pleural mesothelioma

open access: yesFrontiers in Immunology, 2023
Complement component C1q can act as a pro-tumorigenic factor in the tumor microenvironment (TME). The TME in malignant pleural mesothelioma (MPM) is rich in C1q and hyaluronic acid (HA), whose interaction enhances adhesion, migration and proliferation of
Andrea Balduit   +15 more
doaj   +1 more source

Biophysical Characterization and Proteomic Analysis of Small Extracellular Vesicles Derived From Different Neural Cell Lines

open access: yesAdvanced NanoBiomed Research, EarlyView.
This study systematically compares small extracellular vesicles (sEVs) derived from four neural cell lines, revealing how cellular origin shapes vesicle biophysical properties and proteomic cargo. Distinct, lineage‐specific signatures linked to neuronal, astrocytic, and microglial functions are identified, highlighting the importance of cell source ...
Muhammad Waqas Salim   +4 more
wiley   +1 more source

Immune Complexes Shape the Pathogenicity of Autoantibodies in Systemic Autoimmune Diseases: Insights From an FcγRIIIA‐Reporter Assay

open access: yesArthritis &Rheumatology, EarlyView.
Objective Immune complexes (ICs), formed by autoantigen and autoantibody, play a pathogenic role in systemic autoimmune diseases through stimulation of Fcγ receptors (FcγR). However, studies investigating bioactivity of circulating ICs across various diseases remain limited.
Koji Suzuki   +8 more
wiley   +1 more source

Deciphering the fine details of C1 assembly and activation mechanisms: 'mission impossible'?

open access: yesFrontiers in Immunology, 2014
The classical complement pathway is initiated by the large (~800kDa) and flexible multimeric C1 complex. Its catalytic function is triggered by the hetero-tetramer of proteases C1r2s2, which is associated to the C1q sensing unit, a complex assembly of 18
Christine eGaboriaud   +14 more
doaj   +1 more source

Home - About - Disclaimer - Privacy