Nf-at polypeptides and polynucleotides

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/12 (2006.01) A61K 38/17 (2006.01) C07K 14/435 (2006.01) C07K 14/47 (2006.01) C12N 5/10 (2006.01) C12Q 1/68 (2006.01) G01N 33/68 (2006.01)

Patent

CA 2172287

The invention provides novel polypeptides which are associated with the transcription complex NF-AT, polynucleotides encoding such polypeptides, antibodies which are reactive with such polypeptides, polynucleotide hybridization probes and PCR amplification probes for detecting polynucleotides which encode such polypeptides, transgenes which encode such polypeptides, homologous targeting constructs that encode such polypeptides and/or homologously integrate in or near endogenous genes encoding such polypeptides, nonhuman transgenic animals which comprise functionally disrupted endogenous genes that normally encode such polypeptides, and transgenic nonhuman animals which comprise transgenes encoding such polypeptides. The invention also provides methods for detecting T cells (including activated T cells) in a cellular sample, methods for treating hyperactive or hypoactive T cell conditions, methods for screening for immunomodulatory agents, methods for diagonistic staging of lymphocyte differentiation, methods for producing NF-AT proteins for use as research or diagnostic reagents, methods for producing antibodies reactive with the novel polypeptides, and methods for producing transgenic nonhuman animals.

L'invention porte sur de nouveaux polypeptides associés avec le complexe de transcription NF-AT, sur des polynucléotides codant lesdits polypeptides, sur des anticorps réagissant avec lesdits polypeptides, sur des sondes d'hybridation des polynucléotides et des sondes d'amplification PCR de détection des polynucléotides codant lesdits polypeptides, sur des transgènes codant lesdits polypeptides, sur des produits de recombinaison homologues de ciblage codant lesdits polypeptides et/ou s'intégrant de manière homologue dans des gènes endogènes codant lesdits polypeptides ou à proximité, sur des animaux transgéniques porteurs de gènes endogènes fonctionnellement dissociés codant normalement lesdits polypeptides et sur des animaux transgéniques porteurs de transgènes codant lesdits polypeptides. L'invention porte également sur des méthodes de détection des cellules T (y compris activées) dans des échantillons de cellules, sur des méthodes de traitement des cellules détectrices T hyperactives ou hypoactives, sur des méthodes de dépistage des agents immunomodulants, sur des méthodes de repiquage diagnostic de la différenciation lymphocytaire, sur des méthodes de production de protéines NF-AT servant de réactifs à des fins de recherche ou de diagnostic, sur des méthodes d'obtention d'anticorps réagissant avec les nouveaux polypeptides et sur des méthodes d'obtention d'animaux transgéniques.

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