opsonization


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Related to opsonization: Complement system

opsonization

 [op″sŏ-nĭ-za´shun]
the rendering of bacteria and other cells subject to phagocytosis.

op·son·i·za·tion

(op'sŏn-ī-zā'shŭn),
The process by which bacteria and other cells are altered in such a manner that they are more readily and more efficiently engulfed by phagocytes.

opsonization

/op·so·ni·za·tion/ (op″sah-nĭ-za´shun) the rendering of bacteria and other cells subject to phagocytosis.

opsonization

[op′sənizā′shən]
Etymology: Gk, opsonein + izein, to cause
the action of opsonin. Also called opsonification.

op·son·i·za·tion

(op'sŏ-nī-zā'shŭn)
The process by which bacteria are altered so that they are more readily and more efficiently engulfed by phagocytes.
Synonym(s): opsonisation.

opsonization

The process by which bacteria or other antigen-bearing entities are rendered attractive to PHAGOCYTES by the binding of OPSONIN to their surface.

opsonization

addition of an opsonin (i.e. a complement moiety) to a bacterium, to ensure that the microorganism is readily identified, and more efficiently taken up, by macrophages

opsonization

the rendering of bacteria and other foreign substance subject to phagocytosis.
References in periodicals archive ?
They participate in the opsonization of pathogens and of monocytes that have ingested pathogens as well as in the activation of the complement cascade.
Agglutinin mediated opsonization of fungal blastospores in Melanoplus differentialis (Insecta).
The hematoxylin bodies are thought to be formed by the opsonization of cells by ANA typically found in SLE patients.
Intracellular fate of Mycobacterium avium: use of dual-label spectrofluorometry to investigate the influence of bacterial viability and opsonization on phagosomal pH and phagosomelysosome interaction.
Effector factors such as perforins and antibacterial peptides are the proteins that carry out pathogen killing, opsonization, and other elimination functions.
For this attachment to occur sometimes a process called opsonization is needed.
This has been attributed to (1) a decreased production of important cytokines such as interleukin 2, (2) diminished cell-surface expressions of the [alpha] and [beta] chains of the T-cell receptor, (3) low levels of CD3 antigen expression, (4) decreased neutrophil chemotaxis, (5) deficient leukocyte opsonization, and (6) phagocytosis.
In addition, a decreased serum level of alternative complement pathway factor B results in defective opsonization of E.
These proteins "complement" the activity of antibodies by binding to the membranes of micro-organisms, a process termed opsonization, thus rendering them more susceptible to phagocytosis.
Their basic functions are neutralization and opsonization of bacteria, viruses and other environmental pathogens.
The complement systems, classic and alternative, enhance inflammation, cellular lysis, and opsonization of bacteria while the clotting systems, extrinsic and intrinsic, function to form fibrin needed for clot formation and healing.