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    • 2. 发明公开
    • USE OF VISTA AGONISTS AND ANTAGONISTS TO SUPPRESS OR ENHANCE HUMORAL IMMUNITY
    • VISTA激动剂和拮抗剂减少或改善体液免疫USE
    • EP3154585A2
    • 2017-04-19
    • EP15806089.7
    • 2015-06-11
    • Green, Kathy A.Wang, LiNoelle, Randolph, J.Green, William R.
    • Green, Kathy A.Wang, LiNoelle, Randolph, J.Green, William R.
    • A61K39/395C07K16/18
    • A61K39/3955A61K31/198A61K39/39541A61K45/06C07K16/2827C07K2317/76A61K2300/00
    • The present invention is directed to the use of VISTA agonists alone or in association with other immune inhibitors, preferably another inhibitor of humoral immunity such as an iNOS/NO promoter or nitric oxide or a PD-1 or PD-L1 agonist or a CD40 antagonist for the treatment or prevention of conditions wherein the suppression of humoral immunity is therapeutically beneficial. The present invention is further directed to the use of VISTA antagonists alone or in association with other immune agonists, preferably another enhancer of humoral immunity such as iNOS/NO inhibitor or a PD-1 or PD-L1 antagonist or anti-CTLA-4 antibody or a CD40 agonist for the treatment or prevention of conditions wherein the enhancement of humoral immunity is therapeutically beneficial. Also, the invention relates to the use of VISTA antagonists alone or in association with another immune agonist, e.g., an iNOS/NO inhibitor or a CD40 agonist to promote the efficacy of therapeutic and prophylactic vaccines, e.g., antitumor, and antiviral vaccines.
    • 本发明涉及单独使用或与其他免疫抑制剂,体液免疫的优选另一抑制剂关联VISTA激动剂:如对iNOS / NO启动子或一氧化氮或PD-1或PD-L1激动剂或CD40拮抗 用于治疗或预防的条件worin体液免疫的抑制是治疗上有益的。 本发明还涉及使用单独或者与其他免疫激动剂,体液免疫的优选另一增强剂关联VISTA拮抗剂:如iNOS的/ NO抑制剂或PD-1或PD-L1拮抗剂或抗CTLA-4抗体 或用于治疗或预防的状况的CD40激动剂worin体液免疫的增强是治疗上有益的。 所以,本发明涉及单独使用或与另一种免疫激动剂,E. G.,iNOS的/无抑制剂或CD40激动剂的关联,以促进治疗性和预防性疫苗,E. G.,抗肿瘤和抗病毒疫苗的效力VISTA拮抗剂。
    • 8. 发明申请
    • METHODS FOR INDUCING ANTIGEN-SPECIFIC T CELL TOLERANCE
    • 诱导抗原特异性T细胞耐受性的方法
    • WO1995006481A1
    • 1995-03-09
    • PCT/US1994009953
    • 1994-09-02
    • TRUSTEES OF DARTMOUTH COLLEGENOELLE, Randolph, J.FOY, Teresa, M.DURIE, Fiona, H.
    • TRUSTEES OF DARTMOUTH COLLEGE
    • A61K39/395
    • C07K14/70578A61K38/00A61K2039/505A61K2039/57C07K16/2875C07K19/00C07K2317/24C07K2317/73C07K2319/00G01N33/6854
    • Methods for inducing antigen-specific T cell tolerance are disclosed. The methods involve contacting a T cell with: 1) a cell which presents antigen to the T cell, wherein a ligand on the cell interacts with a receptor on the surface of the T cell which mediates contact-dependent helper effector function; and 2) an antagonist of the receptor on the surface of the T cell which inhibits interaction of the ligand on the antigen presenting cell with the receptor on the T cell. In a preferred embodiment, the cell which presents antigen to the T cell is a B cell and the receptor on the surface of the T cell which mediates contact-dependent helper effector function is gp39. Preferably, the antagonist is an anti-gp39 antibody or a soluble gp39 ligand (e.g., soluble CD40). The methods of the invention can be used to induce T cell tolerance to a soluble antigen or to an allogeneic cell. The methods of the invention can also be used to induce tolerance in cases of bone marrow transplantation and other organ transplants and to inhibit graft-versus-host disease.
    • 公开了诱导抗原特异性T细胞耐受性的方法。 所述方法包括使T细胞接触:1)向T细胞呈递抗原的细胞,其中细胞上的配体与介导接触依赖性辅助效应子功能的T细胞表面上的受体相互作用; 和2)T细胞表面受体的拮抗剂,其抑制抗原呈递细胞上的配体与T细胞上的受体的相互作用。 在优选的实施方案中,向T细胞呈递抗原的细胞是B细胞,介导接触依赖性辅助效应子功能的T细胞表面上的受体是gp39。 优选地,拮抗剂是抗gp39抗体或可溶性gp39配体(例如可溶性CD40)。 本发明的方法可用于诱导对可溶性抗原或同种异体细胞的T细胞耐受性。 本发明的方法还可用于在骨髓移植和其他器官移植的情况下诱导耐受性并抑制移植物抗宿主病。