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    • 3. 发明申请
    • METHODS AND DEVICES FOR MODULATING THE IMMUNE RESPONSE
    • 用于调节免疫应答的方法和装置
    • WO9944583A3
    • 1999-11-11
    • PCT/US9904637
    • 1999-03-02
    • APPLIED VACCINE TECHNOLOGIES CCERAMI ANTHONYCERAMI CARLAGELBER COHAVADOVE DAVID
    • CERAMI ANTHONYCERAMI CARLAGELBER COHAVADOVE DAVID
    • A61K9/00A61K39/00
    • A61K9/0024
    • The present invention provides methods and devices for inducing, stimulating, blocking and reducing the immune response of a mammal to an antigen, using an implantable device which exposes the antigen in a controlled fashion to cells of the immune system. The device comprises a porous matrix contained within a perforated, impermeable container. By manipulating the bioavailability of antigen within the device, and the timing of introduction of antigen into the device relative to the time of implantation of the device within the mammal, a robust and long-term response can be induced against an antigen, or an existing or potential immune response can be down regulated or blocked. The methods and devices can be used for therapeutic vaccination, and in non-exposed mammals for prophylactic vaccination. Immunity can be cellular, humoral, or mucosal. Suppression of the immune response is useful for the treatment or prophylaxis of such conditions as allergies, autoimmune disease, and in tolerizing mammals to suppress an immune response to transplant antigens. The device can also be used for harvesting immune cells for later reintroduction into the mammal, and for preparing immune serum and hybridomas.
    • 本发明提供了使用以受控方式将抗原暴露于免疫系统的细胞的可植入装置来诱导,刺激,阻断和减少哺乳动物对抗原的免疫应答的方法和装置。 该装置包含容纳在穿孔的不可渗透容器内的多孔基质。 通过操纵装置内抗原的生物利用度以及将装置中的抗原引入装置的时间相对于哺乳动物内装置的时间,可以诱导针对抗原或现有抗原的稳健和长期响应 或潜在的免疫应答可被下调或阻断。 该方法和装置可以用于治疗性疫苗接种,并且用于未暴露的哺乳动物用于预防性疫苗接种。 免疫可以是细胞的,体液的或粘膜的。 抑制免疫应答可用于治疗或预防诸如变态反应,自身免疫疾病和耐受哺乳动物的疾病以抑制针对移植抗原的免疫应答。 该装置还可以用于收获免疫细胞以供以后重新引入哺乳动物中,并用于制备免疫血清和杂交瘤。