Results 31 to 40 of about 36,145 (228)

Nociceptive sensitization by complement C5a and C3a in mouse [PDF]

open access: yesPain, 2010
Activation of the complement system by injury increases inflammation by producing complement fragments C5a and C3a which are able to recruit and activate immune cells. Complement activation may contribute to pain after inflammation and injury. In this study, we examined whether C5a and C3a elicit nociception when injected into mouse hind paws in vivo ...
Jun Ho, Jang   +5 more
openaire   +2 more sources

The complement system and its role in the treatment of ANCA-associated vasculitis

open access: yesJournal of Education, Health and Sport, 2022
Objective: This study aimed to evaluate the role of the complement system in a therapy of the ANCA- associated vasculitis.   Methods and materials: A literature search was conducted in the PubMed MEADLINE database of medical publications using the
Natalia Rybak   +5 more
doaj   +1 more source

Complement Factor C5a Inhibits Apoptosis of Neutrophils—A Mechanism in Polytrauma? [PDF]

open access: yesJournal of Clinical Medicine, 2021
Life-threatening polytrauma results in early activation of the complement and apoptotic system, as well as leukocytes, ultimately leading to the clearance of damaged cells. However, little is known about interactions between the complement and apoptotic systems in PMN (polymorphonuclear neutrophils) after multiple injuries. PMN from polytrauma patients
Christian Ehrnthaller   +5 more
openaire   +2 more sources

Role of Complement and Histones in Sepsis

open access: yesFrontiers in Medicine, 2020
The wide use of the mouse model of polymicrobial sepsis has provided important evidence for events occurring in infectious sepsis involving septic mice and septic humans.
Firas S. Zetoune, Peter A. Ward
doaj   +1 more source

Complement C5a promotes antigen cross-presentation by Peyer’s patch monocyte-derived dendritic cells and drives a protective CD8+ T cell response

open access: yesCell Reports, 2021
Summary: The complement fragment C5a is closely associated with adaptive immune induction in the mucosa. However, the mechanisms that control CD8+ T cell responses by C5a have not been extensively explored.
Sae-Hae Kim   +3 more
doaj   +1 more source

Detection of the complement fragment C5a in inflammatory exudates from the rabbit peritoneal cavity using radioimmunoassay. [PDF]

open access: yes, 1983
We describe a radioimmunoassay for rabbit C5a and its use to obtain evidence of extravascular C5a generation in two inflammatory reactions in the peritoneal cavity.
Forrest, MJ, Jose, PJ, Williams, TJ
core   +2 more sources

Complement activation contributes to subretinal fibrosis through the induction of epithelial-to-mesenchymal transition (EMT) in retinal pigment epithelial cells

open access: yesJournal of Neuroinflammation, 2022
Background We previously reported higher plasma levels of complement fragments C3a and C5a in neovascular Age-related Macular Degeneration (nAMD) patients with macular fibrosis.
María Llorián-Salvador   +5 more
doaj   +1 more source

Discovery of functionally selective C5aR2 ligands: novel modulators of C5a signalling. [PDF]

open access: yes, 2016
The complement cascade is comprised of a highly sophisticated network of innate immune proteins that are activated in response to invading pathogens or tissue injury. The complement activation peptide, C5a, binds two seven transmembrane receptors, namely
Blaskovich, M.A.   +11 more
core   +1 more source

Modulation of C5a–C5aR1 signaling alters the dynamics of AD progression

open access: yesJournal of Neuroinflammation, 2022
Background The complement system is part of the innate immune system that clears pathogens and cellular debris. In the healthy brain, complement influences neurodevelopment and neurogenesis, synaptic pruning, clearance of neuronal blebs, recruitment of ...
Klebea Carvalho   +10 more
doaj   +1 more source

The tumour microenvironment links complement system dysregulation and hypoxic signalling. [PDF]

open access: yes, 2018
The complement system is an innate immune pathway typically thought of as part of the first line of defence against "non-self" species. In the context of cancer, complement has been described to have an active role in facilitating cancer-associated ...
Giaccia, Amato J   +4 more
core   +1 more source

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