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POLYCLONAL ACTIVATOR [2 records]

Record 1 2012-09-04

English

Subject field(s)
  • Biochemistry
  • Microbiology and Parasitology
CONT

A major component of the cell wall of gram-negative bacteria; lipopolysaccharides are endotoxins and important group-specific antigens(O antigens).... Lipopolysaccharide from Escherichia coli is a commonly used B-cell mitogen(polyclonal activator) in laboratory immunology.

French

Domaine(s)
  • Biochimie
  • Microbiologie et parasitologie
CONT

[...] facteur bactérien responsable du choc des septicémies à bacilles Gram-négatifs. Le LPS mime à lui seul de nombreux effets du choc septique. Il agit en provoquant la libération de cytokines, parmi lesquelles les inducteurs de l'inflammation que sont l'interleukine 1 et le TNF (tumor necrosis factor).

Spanish

Campo(s) temático(s)
  • Bioquímica
  • Microbiología y parasitología
DEF

Compuesto que consta de un lípido unido a un polisacárido; con frecuencia un componente de las paredes de las células microbianas.

Save record 1

Record 2 2006-05-18

English

Subject field(s)
  • Immunology
DEF

A substance that induces the physiologic function or activity of more than one clone of cells.

French

Domaine(s)
  • Immunologie
DEF

Substance activant certaines fonctions des lymphocytes indépendamment de leur spécificité pour l'antigène. La phytohémagglutine et la concanavaline A sont des activateurs polyclonaux des cellules T. Le lipopolysaccharide d'E. coli est un activateur polyclonal des cellules B.

Spanish

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

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