Fc receptor homolog, reagents, and uses thereof

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/12 (2006.01) A61K 31/7088 (2006.01) A61K 38/17 (2006.01) A61K 39/395 (2006.01) A61K 48/00 (2006.01) C07H 21/00 (2006.01) C07K 5/00 (2006.01) C07K 14/735 (2006.01) C07K 16/28 (2006.01) C12P 21/02 (2006.01) C12Q 1/68 (2006.01) G01N 33/566 (2006.01)

Patent

CA 2480404

The invention relates to members of the Fc receptor homolog (FcRH) subfamily, as well as fragments and variants thereof. Each FcRH is a Type I transmembrane receptor, preferably, comprises an extracellular region, a transmembrane region, and a cytoplasmic region. The cytoplasmic region preferably comprises one or more immunoreceptor tyrosine-based inhibitory or activation motifs ("ITIMs" or "ITAMs). The invention provides polypeptides, nucleic acids, vectors, expression systems, and antibodies and antibody fragments related to the FcRHs as well as uses thereof. Such uses include uses in the diagnosis and treatment of a malignancy of hematopoietic cell lineage or an inflammatory or autoimmune disease in a subject and in the modulation of a humoral immune response in a subject.

La présente invention se rapporte à des éléments de la sous-famille des homologues des récepteurs de Fc (FcRH), ainsi qu'à des fragments et à des variants de ces éléments. Chaque homologue FcRH est un récepteur transmembranaire de type I, de préférence, qui comporte une région extracellulaire, une région transmembranaire et une région cytoplasmique. La région cytoplasmique comporte de préférence un ou plusieurs motifs d'activation ou d'inhibition des immuno-récepteurs, à base de tyrosine ("ITIM" ou "ITAM). L'invention se rapporte également à des polypeptides, des acides nucléiques, des vecteurs, des systèmes d'expression et des anticorps et fragments d'anticorps associés à ces homologues FcRH ainsi qu'à leurs utilisations. Ces utilisations incluent notamment le diagnostic et le traitement de la malignité d'une lignée cellulaire hématopoiétique ou d'une maladie inflammatoire ou auto-immune chez un sujet, ainsi que la modulation d'une réponse immunitaire humorale chez un sujet.

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