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    • 5. 发明申请
    • IN SITU LANGERHANS CELL VACCINE
    • 在现代朗格细胞疫苗
    • WO02072026A3
    • 2003-02-27
    • PCT/US0207645
    • 2002-03-13
    • UNIV TEXAS
    • TAKASHIMA AKIRAKUMAMOTO TADASHI
    • A61K9/00A61K38/19A61K38/22A61K38/34A61K39/00A61K35/14A61K38/16A61K39/38C07C245/00C07K1/00C07K14/00C07K16/00C07K17/00C09B31/02C09B33/02C09B35/02
    • A61K39/0011A61K9/0092A61K38/195A61K39/00A61K2039/5154C12N2501/21C12N2501/23
    • A method for entrapping migratory antigen presenting cells (APCs) and particularly Langerhans cells (LCs,) in vivo provided. The method entails creating an artificial gradient of APC-attracting chemotactic factor in the homing path of APCs in vivo . Also provided is a composition for entrapping APCs and particularly, migratory LCs. In addition, a method for loading APCs in situ with antigen is provided. The method comprises entrapping APCs in vivo and subsequently loading the APCs in situ with antigen. Correspondingly, a composition for loading APCs in situ is also is also provided. Further provided is a method for stimulating the migration of entrapped APCs to draining lymph nodes. The ability to stimulate the migration of entrapped APCs to draining lymph nodes is useful, internalia ) for regulating an immune response in a subject. In addition, an in situ APC-based vaccine is provided which does not require any time-consuming, costly ex vivo manipulations.
    • 一种在体内诱导迁移性抗原呈递细胞(APC),特别是朗格汉斯细胞(LCs)的方法。 该方法需要在APC的归巢途径中产生APC吸引趋化因子的人造梯度。 还提供了用于捕获APC,特别是迁移性LC的组合物。 另外,提供了一种用抗原原位装载APC的方法。 该方法包括在体内夹带APC并随后用抗原原位加载APC。 相应地,还提供了用于原位装载APC的组合物。 还提供了一种刺激夹带的APC向排泄淋巴结迁移的方法。 刺激夹带的APC迁移到引流淋巴结的能力对于调节受试者的免疫应答是有用的。 此外,提供了一种原位基于APC的疫苗,其不需要任何耗时且昂贵的离体操作。