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    • 4. 发明申请
    • PEPTIDES TOLERIZING T-CELLS AND COMPOSITIONS THEREOF
    • PEPTIDES TOLERIZING T-CELLS AND COMPOSITIONS WITHEROF
    • WO1994006828A1
    • 1994-03-31
    • PCT/US1993008456
    • 1993-09-09
    • WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
    • WASHINGTON UNIVERSITY SCHOOL OF MEDICINEALLEN, Paul, M.SLOAN-LANCASTER, JoanneEVAVOLD, Brian, D.
    • C07K15/00
    • A61K38/1709A61K2039/5154C07K14/805
    • The present invention provides a tolerizing peptide and a therapeutic composition containing at least one such tolerizing peptide which when administered to an individual in a therapeutically effective amount is capable of tolerizing at least a portion and preferably all of the T cells of said individual which are specific for an antigen (e.g. an allergen, an autoantigen or a transplantation antigen), said tolerizing peptide having the ability to combine with MHC proteins on antigen presenting cells (APC) and cause binding of T cell receptors on at least a portion of the T cells of an individual to said peptide-MHC complex. Said tolerizing peptide preferably has the ability to cause no detectable or minimal proliferation of at least a portion of the T cells of an individual which are specific for said antigen when said peptide is administered in vivo in immunogenic form. The invention also provides a method for treating sensitivity to a particular antigen in an individual and a method for tolerizing at least a portion of a population of T cells in an individual which are specific for an antigen.
    • 本发明提供了一种耐受性肽和含有至少一种这样的耐受性肽的治疗组合物,其当以治疗有效量施用于个体时能够耐受所述个体的至少一部分,优选全部T细胞,其特异性 对于抗原(例如变应原,自身抗原或移植抗原),所述耐受肽具有与抗原呈递细胞(APC)上的MHC蛋白结合的能力,并引起T细胞受体在至少一部分T细胞上的结合 的个体对所述肽-MHC复合物。 当所述肽以免疫原性形式在体内施用时,所述耐受肽优选具有引起对所述抗原特异性的个体的至少一部分T细胞的可检测或最小增殖的能力。 本发明还提供了治疗对个体中特定抗原的敏感性的方法和用于耐受个体中对抗原特异性的至少一部分T细胞群的方法。