Results 11 to 20 of about 198,221 (310)

Complement Proteins as Soluble Pattern Recognition Receptors for Pathogenic Viruses

open access: yesViruses, 2021
The complement system represents a crucial part of innate immunity. It contains a diverse range of soluble activators, membrane-bound receptors, and regulators.
Valarmathy Murugaiah   +5 more
doaj   +2 more sources

The Role of Complement in Cancer Immunotherapy [PDF]

open access: yes, 2022
The dual role of complement in both cancer development and treatment has been investigated extensively and is characterized by a substantial literature that documents the conditions in which complement can either enhance tumor growth or promote the ...

core   +1 more source

Properdin Modulates Complement Component Production in Stressed Human Primary Retinal Pigment Epithelium Cells

open access: yesAntioxidants, 2020
The retinal pigment epithelium (RPE) maintains visual function and preserves structural integrity of the retina. Chronic dysfunction of the RPE is associated with retinal degeneration, including age-related macular degeneration (AMD).
Nicole Schäfer   +6 more
doaj   +1 more source

Complement System: An Immunotherapy Target in Colorectal Cancer

open access: yesFrontiers in Immunology, 2022
Colorectal cancer (CRC) is the third most common malignant tumor and the second most fatal cancer worldwide. Several parts of the immune system contribute to fighting cancer including the innate complement system.
Iman M. Talaat   +7 more
doaj   +1 more source

Complement 1q/Tumor Necrosis Factor-Related Proteins (CTRPs): Structure, Receptors and Signaling

open access: yesBiomedicines, 2023
Adiponectin and the other 15 members of the complement 1q (C1q)/tumor necrosis factor (TNF)-related protein (CTRP) family are secreted proteins composed of an N-terminal variable domain followed by a stalk region and a characteristic C-terminal ...
Constanze Schanbacher   +4 more
doaj   +1 more source

Relative Impact of Complement Receptors CD21/35 (Cr2/1) on Scrapie Pathogenesis in Mice

open access: yesmSphere, 2017
Complement receptors 1 and 2 (CR1/2 or CD35/CD21) recognize complement-opsonized antigens to initiate innate and adaptive immunity, respectively. CD35 stimulates phagocytosis on macrophages and antigen presentation on follicular dendritic cells (FDCs ...
Sarah J. Kane   +8 more
doaj   +1 more source

Mass cytometric analysis of the immune cell landscape after traumatic brain injury elucidates the role of complement and complement receptors in neurologic outcomes

open access: yesActa Neuropathologica Communications, 2023
Following traumatic brain injury (TBI), a neuroinflammatory response can persist for years and contribute to the development of chronic neurological manifestations.
Amer Toutonji   +5 more
doaj   +1 more source

Complement Plays a Critical Role in Inflammation-Induced Immunoprophylaxis Failure in Mice

open access: yesFrontiers in Immunology, 2021
Complement impacts innate and adaptive immunity. Using a model in which the human KEL glycoprotein is expressed on murine red blood cells (RBCs), we have shown that polyclonal immunoprophylaxis (KELIg) prevents alloimmunization to transfused RBCs when a ...
Vicente Escamilla-Rivera   +16 more
doaj   +1 more source

New insights for C5a and C5a receptors in sepsis

open access: yesFrontiers in Immunology, 2012
The complement system plays a central role in inflammation and immunity. Among the complement activation products, C5a is one of the most potent inflammatory peptides with a broad spectrum of functions.
Hongwei eGao, Chunguang eYan
doaj   +1 more source

RIAM-VASP Module Relays Integrin Complement Receptors in Outside-In Signaling Driving Particle Engulfment

open access: yesCells, 2020
The phagocytic integrins and complement receptors αMβ2/CR3 and αXβ2/CR4 are classically associated with the phagocytosis of iC3b-opsonized particles.
Alvaro Torres-Gomez   +8 more
doaj   +1 more source

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