Results 91 to 100 of about 3,322,075 (363)

Role of the complement system in the tumor microenvironment

open access: yesCancer Cell International, 2019
The complement system has traditionally been considered a component of innate immunity against invading pathogens and “nonself” cells. Recent studies have demonstrated the immunoregulatory functions of complement activation in the tumor microenvironment (
Ronghua Zhang   +4 more
doaj   +1 more source

TWO DIFFERENT COMPLEMENT RECEPTORS ON HUMAN LYMPHOCYTES

open access: yesJournal of Experimental Medicine, 1973
In the present study it was shown that normal peripheral lymphocytes have two different complement receptors: one for C3b (the immune adherence receptor) and one for C3b subsequent to its cleavage by C3b inactivator.
G. D. Ross   +3 more
semanticscholar   +1 more source

Mechanisms of parasite‐mediated disruption of brain vessels

open access: yesFEBS Letters, EarlyView.
Parasites can affect the blood vessels of the brain, often causing serious neurological problems. This review explains how different parasites interact with and disrupt these vessels, what this means for brain health, and why these processes matter. Understanding these mechanisms may help us develop better ways to prevent or treat brain infections in ...
Leonor Loira   +3 more
wiley   +1 more source

Assay of cardiopulmonary bypass system for porcine alveolar macrophages removing GFP-E. coli from erythrocyte surfaces [PDF]

open access: yesPeerJ
While it is established that complement receptor molecules on the surface of erythrocytes are crucial for the clearance of immune complexes in the body, the molecular mechanisms underlying the interaction between macrophages and erythrocytes in pigs ...
Yongqiang Liu   +7 more
doaj   +2 more sources

Different roles of IgG and complement receptors in phagocytosis by polymorphonuclear leukocytes.

open access: yesJournal of Immunology, 1975
The functions of IgG and complement receptors in phagocytosis of immune complexes by mouse polymorphonuclear leukocytes were examined by in vitro experiments.
Bernardo Mantovani
semanticscholar   +1 more source

The gateway to chloroplast: re-defining the function of chloroplast receptor proteins [PDF]

open access: yes, 2012
Chloroplast biogenesis often requires a tight orchestration between gene expression (both plastidial and nuclear) and translocation of similar to 3000 nuclear-encoded proteins into the organelle.
Bölter, Bettina   +2 more
core   +1 more source

Time after time – circadian clocks through the lens of oscillator theory

open access: yesFEBS Letters, EarlyView.
Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo   +2 more
wiley   +1 more source

Future perspectives in target-specific immunotherapies of myasthenia gravis

open access: yesTherapeutic Advances in Neurological Disorders, 2015
Myasthenia gravis (MG) is an autoimmune disease caused by complement-fixing antibodies against acetylcholine receptors (AChR); antigen-specific CD4+ T cells, regulatory T cells (Tregs) and T helper (Th) 17+ cells are essential in antibody production ...
Marinos C. Dalakas
doaj   +1 more source

Macrophage complement receptors and pathogen clearance

open access: yesCellular Microbiology, 2007
Phagocytosis, an important mechanism of the host‐defence system and a primary function of macrophages, is facilitated by opsonization, a process by which serum components tag pathogens for recognition by neutrophils and macrophages.
M. van Lookeren Campagne   +2 more
semanticscholar   +1 more source

Targeting neuroinflammation in Alzheimer’s disease [PDF]

open access: yes, 2016
Almost 47 million people suffer from dementia worldwide, with an estimated new case diagnosed every 3.2 seconds. Alzheimer’s disease (AD) accounts for approximately 60%–80% of all dementia cases. Given this evidence, it is clear dementia represents one
Bronzuoli, MARIA ROSANNA   +3 more
core   +1 more source

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