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    • 3. 发明授权
    • Methods of inducing T-cell non-responsiveness with anti-gp39 24-31 antibodies
    • 用抗gp39 24-31抗体诱导T细胞非反应性的方法
    • US07501124B2
    • 2009-03-10
    • US10962033
    • 2004-10-07
    • Randolph J. NoelleFiona H. DurieDavid C. ParkerMichael C. AppelNancy E. PhillipsJohn P. MordesDale L. GrenierAldo A. Rossini
    • Randolph J. NoelleFiona H. DurieDavid C. ParkerMichael C. AppelNancy E. PhillipsJohn P. MordesDale L. GrenierAldo A. Rossini
    • A61K39/395A61K35/26A61K35/28C07K16/28
    • A61K39/001A61K35/17A61K35/39A61K38/00A61K2039/505C07K14/705C07K16/2875C07K2317/73Y10S514/885A61K2300/00
    • Methods for inducing T cell tolerance to a tissue or organ graft in a transplant recipeint are disclosed. The methods involve administering to a subject: 1) an allogeneic or xenogeneic cell which expresses donor antigens and which has a ligand on the cell surface which interacts with a receptor on the surface of a recipient T cell which mediates contact-dependent helper effector function; and 2) an antagonist of the receptor which inhibits interaction of the ligand with the receptor. In a preferred embodiment, the allogeneic or xenogeneic cell is a B cell, preferably a resting B cell, and the molecule on the surface of the T cell which mediates contact-dependent helper effector function is gp39. A preferred gp39 antagonist is an anti-gp39 antibody. The allogeneic or xenogeneic cell and the gp39 antagonist are typically administered to a transplant recipient prior to transplantation of the tissue or organ. The methods of the invention can be used to induce T cell tolerance to transplants such as liver, kidney, heart, lung, skin, muscle, neuronal tissue, stomach and intestine. A method for treating diabetes comprising administering to a subject allogeneic or xenogeneic cells expressing donor antigens, a gp39 antagonist and pancreatic islets is also disclosed.
    • 公开了在移植食谱中诱导T细胞对组织或器官移植物的耐受性的方法。 所述方法包括对受试者施用:1)同种异体或异种细胞,其表达供体抗原,并且其在细胞表面上具有与介导接触依赖性辅助效应子功能的受体T细胞表面上的受体相互作用的配体; 和2)抑制配体与受体相互作用的受体拮抗剂。 在一个优选的实施方案中,同种异体或异种细胞是B细胞,优选静止的B细胞,并且介导接触依赖性辅助效应子功能的T细胞表面上的分子是gp39。 优选的gp39拮抗剂是抗gp39抗体。 同种异体或异种细胞和gp39拮抗剂通常在移植组织或器官之前给予移植受体。 本发明的方法可用于诱导移植物如肝,肾,心脏,肺,皮肤,肌肉,神经元组织,胃和肠的T细胞耐受性。 还公开了一种用于治疗糖尿病的方法,其包括向受试者施用表达供体抗原的同种异体或异种细胞,gp39拮抗剂和胰岛。