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    • 6. 发明授权
    • Microemulsions with adsorbed macromolecules and microparticles
    • 具有吸附的大分子和微粒的微乳液
    • US08309139B2
    • 2012-11-13
    • US11406144
    • 2006-04-18
    • Derek O'HaganGary S. OttJohn DonnellyJina KazzazMildred UgozzoliManmohan SinghJohn Barackman
    • Derek O'HaganGary S. OttJohn DonnellyJina KazzazMildred UgozzoliManmohan SinghJohn Barackman
    • A61K9/50A61K9/14
    • A61K39/39A61K9/1075A61K9/167A61K39/0208A61K39/21A61K39/245A61K39/29Y02A50/411Y02A50/471
    • Microparticles with adsorbent surfaces, methods of making such microparticles, and uses thereof, are disclosed. The microparticles comprise a polymer, such as a poly(α-hydroxy acid), a polyhydroxy butyric acid, a polycaprolactone, a polyorthoester, a polyanhydride, and the like, and are formed using cationic, anionic, or nonionic detergents. The surface of the microparticles efficiently adsorb biologically active macromolecules, such as DNA, polypeptides, antigens, and adjuvants. Also provided are compositions of an oil droplet emulsion having a metabolizable oil and an emulsifying agent. Immunogenic compositions having an immunostimulating amount of an antigenic substance, and an immunostimulating amount of an adjuvant composition are also provided. Methods of stimulating an immune response, methods of immunizing a host animal against a viral, bacterial, or parasitic infection, and methods of increasing a Th1 immune response in a host animal by administering to the animal an immunogenic composition of the microparticles, and/or microemulsions of the invention, are also provided.
    • 公开了具有吸附剂表面的微粒,制备这种微粒的方法及其用途。 微粒包含聚(α-羟基酸),多羟基丁酸,聚己内酯,聚原酸酯,聚酐等聚合物,并使用阳离子,阴离子或非离子型洗涤剂形成。 微粒的表面有效吸附生物活性大分子,如DNA,多肽,抗原和佐剂。 还提供了具有可代谢油和乳化剂的油滴乳液的组合物。 还提供了具有免疫刺激量的抗原物质的免疫原性组合物和免疫刺激量的佐剂组合物。 刺激免疫应答的方法,免疫宿主动物免受病毒,细菌或寄生虫感染的方法,以及通过向动物施用微粒的免疫原性组合物和/或增加宿主动物的Th1免疫应答的方法 还提供了本发明的微乳液。