TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

OPSONIZATION [5 records]

Record 1 2024-12-09

English

Subject field(s)
  • Immunology
  • Cytology
  • Microbiology and Parasitology
CONT

Mannose-binding lectin(MBL) is a serum protein... that has a specific role in [innate] immunity.... MBL binds to mannose in the cell surface of bacteria and yeasts, facilitating opsonization by phagocytes and initiating complement activation through the classic pathway.

French

Domaine(s)
  • Immunologie
  • Cytologie
  • Microbiologie et parasitologie
CONT

Au sein du système immunitaire inné, des lectines telles que la MBL, la lectine liant le mannose, aident à la médiation de la défense de première ligne contre les micro-organismes pathogènes.

Spanish

Save record 1

Record 2 2010-08-27

English

Subject field(s)
  • Immunology
DEF

Originally, the various processes of the immune system which augmented the phytogenetically primitive mechanisms of phagocytosis and the inflammatory response. Now often used to refer to any processes which are capable of increasing the effects of activated T cells or antibody molecules. Examples : The effects of opsonization by antibody, complement activation, mast cell release of vasoactive amines, and the production of lymphokines by activated T cells.

French

Domaine(s)
  • Immunologie
CONT

Les fonctions régulatrices des lymphocytes T sont décrites selon le sens de leur effet, en termes d'amplification (T"helper", ou Th) ou de suppression (Ts).

CONT

Régulation des réponses immunitaires [...] Mécanismes d'amplification.

Spanish

Campo(s) temático(s)
  • Inmunología
Save record 2

Record 3 1999-10-22

English

Subject field(s)
  • Biochemistry
CONT

Possible mechanisms for the interaction between native and split Cp components and the MFGM might include surface binding by physicochemical forces. This could involve either non-covalent hydrostatic interactions between polycationic proteins, such as C3a and C5a(15), or highly amphiphilic proteins such as C3b and terminal complement complexes-C5b-9(TCC), or through the attachment to specific receptors, such as C3R or C5aR. C3 fragments have the ability to bind to membrane surfaces in the vicinity of ongoing element activation, and thereby promote opsonization of particulate antigens and the generation of further C3/C5 convertase enzymes(17). While polycationic molecules like C5a, could have bound more avidly to one of the glycoprotein components of the MFGM, C3 fragments might have been bound to the lipid fraction of the membranes.

French

Domaine(s)
  • Biochimie
CONT

De nouvelles molécules polycationiques ont été récemment développées et sont présentement en évaluation préclinique. L'avenir de la thérapie génique de la muscovidose dépendra du succès de ces développements techniques, mais également de la meilleure maîtrise des méthodologies d'analyse des paramètres électrophysiologiques pulmonaires.

OBS

Essais cliniques en thérapie génique.

Spanish

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Record 4 1993-02-03

English

Subject field(s)
  • Immunology
DEF

The components of the complement classical and lytic pathways which are responsible for mediating inflammatory reactions, opsonization of particles and lysis of cell membrane.

French

Domaine(s)
  • Immunologie
DEF

Composants de la voie classique et lytique du complément qui sont responsables des réactions inflammatoires, de l'opsonisation de particules et de la destruction de membranes cellulaires.

Spanish

Save record 4

Record 5 1993-01-26

English

Subject field(s)
  • Immunology
DEF

An antibody whose activity is measured by its capacity to opsonize the particulate antigen with which it reacts. Opsonization may be produced by the antibody binding alone, usually IgG antibodies, or by complement fixation.

French

Domaine(s)
  • Immunologie
CONT

Deux fonctions des anticorps antibactériens jouent un rôle prépondérant dans la défense antibactérienne : 1. la neutralisation des toxines, 2. la potentialisation de la phagocytose par opsonisation des bactéries. (...) Les anticorps opsonisants favorisent l'ingestion préférentielle des bactéries. Cet effet peut être renforcé par la fixation secondaire du complément (jusqu'au C3).

Spanish

Save record 5

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