Results 31 to 40 of about 3,229,753 (409)

Neuropilin-1 Acts as a Receptor for Complement Split Products

open access: yesFrontiers in Immunology, 2019
Complement split products (CSPs), such as the fragments C4d and C3d, which are generated as a consequence of complement regulatory processes, are established markers for disease activity in autoimmunity or antibody-mediated graft rejection.
Claire Battin   +9 more
doaj   +1 more source

Helix 8 in chemotactic receptors of the complement system.

open access: yesPLoS Computational Biology, 2022
Host response to infection involves the activation of the complement system leading to the production of anaphylatoxins C3a and C5a. Complement factor C5a exerts its effect through the activation of C5aR1, chemotactic receptor 1, and triggers the G ...
Szymon Wisniewski   +3 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

The many roles of C1q

open access: yeseLife, 2020
The ability of a well-known component of the complement cascade to bind to a variety of receptors has implications for signaling biology, spinal cord injury and, possibly, the evolution of the complement system.
Mark Noble, Christoph Pröschel
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

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

Human platelets and their capacity of binding viruses: Meaning and challenges? [PDF]

open access: yes, 2015
Blood platelets are first aimed at ensuring primary hemostasis. Beyond this role, they have been acknowledged as having functions in the maintenance of the vascular arborescence and, more recently, as being also innate immune cells, devoted notably to ...
Chabert, Adrien   +6 more
core   +2 more sources

Innate immunity and neuroinflammation [PDF]

open access: yes, 2013
Copyright © 2013 Abhishek Shastri et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly ...
Bonifati, DM, Kishore, U, Shastri, A
core   +3 more sources

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

Requirements for Vav Guanine Nucleotide Exchange Factors and Rho GTPases in FcγR- and Complement-Mediated Phagocytosis [PDF]

open access: yes, 2006
SummaryVav guanine nucleotide exchange factors (GEFs) have been implicated in cell adhesion by integrin and immune response receptors through the regulation of Rho GTPases. Here, we examine the role of Vav and Rho GTPases in phagocytosis by using primary
Brugge, Joan S.   +6 more
core   +1 more source

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