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HLA-DR ANTIGEN [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2007-01-16

English

Subject field(s)
  • Immunology
DEF

A characteristic of many immune reactions in which cells cooperate most effectively with other cells sharing an MHC haplotype.

DEF

The phenomenon of certain cell-cell interactions in the immune response occurring only between MHC haploidentical cells. Helper T cells are activated only when the antigen is "seen" in conjunction with self class II MHC antigens(Ia antigens in mice, HLA-DR antigens in humans) antigens(K or D antigens in mice, HLA-A,-B, or-C antigens in humans).

French

Domaine(s)
  • Immunologie
CONT

Réactions antivirales; la restriction au CMH : les virus peuvent aussi provoquer l'apparition de lymphocytes T cytotoxiques. [...] Une particularité essentielle de ces réactions cytotoxiques antivirales tient [...] à la nécessité d'une compatibilité au CMH entre la cellule infectée qui a initialement servi à sensibiliser le précurseur des lymphocytes T cytotoxiques et la cellule cible infectée à laquelle le lymphocyte T cytotoxique est confronté au cours de la phase de cytotoxicité.

Spanish

Campo(s) temático(s)
  • Inmunología
Save record 1

Record 2 1993-02-19

English

Subject field(s)
  • Immunology
CONT

Human leukocyte antigen... governed by genes of the HLA complex(the human major histocompatibility complex), a region of the short arm of chromosome 6 containing several genetic loci, each having multiple alleles. Loci are designated by letters, HLA-A,-B,-C,-DP,-DQ,-DR(there are at least three sub-loci in the D region),-MB, MT, and Te, and alleles at each locus by numbers, e. g., HLA-A1, provisional designations being indicated by "w"(for "workshop"), e. g., HLA-DRw10....

French

Domaine(s)
  • Immunologie
CONT

Les antigènes HLA-DR [...] sont présents sur un faible nombre de cellules de l'organisme : les lymphocytes B, les lymphocytes T activés, notamment par la PHA et les lymphocytes T cytotoxiques, les macrophages, les cellules endothéliales des vaisseaux, les cellules épidermiques et les spermatozoïdes. Les études ont montré qu'ils étaient codés par un locus proche du locus HLA-D d'où leur dénomination d'antigènes DR (D related).

Spanish

Save record 2

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