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    • 4. 发明申请
    • MICROBIAL DELIVERY SYSTEM
    • 微生物递送系统
    • WO0166136A2
    • 2001-09-13
    • PCT/US0033121
    • 2000-12-06
    • PANACEA PHARM LLC
    • CAPLAN MICHAEL
    • A61K39/02A61K39/00A61K39/002A61K39/12A61K39/35A61P37/08A61K35/66
    • A61K39/35A61K2039/5156A61K2039/523A61K2039/5256
    • The present invention provides methods and compositions for treating or preventing allergic responses, particularly anaphylactic allergic responses, in subjects who are allergic to allergens or susceptible to allergies. Methods of the present invention utilize administration of microorganisms to subjects, where the microorganisms produce allergens and protect the subjects from exposure to the allergens until phagocytosed by antigen-presenting cells. Particularly preferred microorganisms are gram-negative bacteria, gram-positive bacteria, and yeast. Particularly preferred allergens are proteins found in foods, venoms, drugs and latex that elicit allergic reactions and anaphylactic allergic reactions in individuals who are allergic to the proteins or are susceptible to allergies to the proteins. The proteins may also be modified to reduce the ability of the proteins to bind and crosslink IgE antibodies and thereby reduce the risk of eliciting anaphylaxis without affecting T-cell mediated Th1-type immunity.
    • 本发明提供了用于治疗或预防对过敏原过敏或对过敏敏感的受试者的过敏反应,特别是过敏性过敏反应的方法和组合物。 本发明的方法利用向受试者施用微生物,其中微生物产生过敏原并保护受试者免于暴露于过敏原直至被抗原呈递细胞吞噬。 特别优选的微生物是革兰氏阴性菌,革兰氏阳性菌和酵母。 特别优选的过敏原是在对蛋白质过敏或对蛋白质过敏敏感的个体中引起过敏反应和过敏性过敏反应的食物,毒液,药物和乳胶中发现的蛋白质。 蛋白质也可以被修饰以降低蛋白质结合和交联IgE抗体的能力,从而降低引发过敏反应而不影响T细胞介导的Th1型免疫的风险。
    • 5. 发明申请
    • IMMUNOSTIMULATORY NUCLEIC ACIDS AND ANTIGENS
    • 免疫细胞核酸和抗原
    • WO0054803A3
    • 2001-01-11
    • PCT/US0007213
    • 2000-03-16
    • PANACEA PHARM LLC
    • SOSIN HOWARD BCAPLAN MICHAEL J
    • A61K39/35A61K39/38A61K39/39A61P37/04A61P37/08
    • A61K39/38A61K39/35A61K39/39A61K2039/55561
    • The present invention provides methods and compositions for modulating an individual's immune response to antigens. It is an aspect of the present invention that allergic responses to antigens, which in some cases lead to asthma and even anaphylaxis, can be treated or prevented by administering compositions having immunostimulatory oligonucleotides having unmethylated CpG sequences. It is another aspect of the present invention that allergies to antigens, especially one that result in asthma and anaphylaxis, can be treated or prevented by administering compositions containing immunostimulatory oligonucleotides having unmethylated CpG dinucleotide sequences and further comprising antigen(s), fragments of the antigen, mixtures of fragments of the antigen, antigens modified to reduce Th2-type immune responses, and fragments of the antigen modified to reduce Th2-type immune responses. Cellular systems for studying immunostimulation by CpG containing nucleic acids include in vivo, in vitro or ex vivo systems.
    • 本发明提供了调节个体对抗原的免疫应答的方法和组合物。 本发明的一个方面是通过施用具有具有非甲基化CpG序列的免疫刺激性寡核苷酸的组合物来治疗或预防对某些情况下导致哮喘甚至过敏反应的抗原的过敏反应。 本发明的另一方面是通过施用含有具有非甲基化CpG二核苷酸序列的免疫刺激性寡核苷酸的组合物,并且进一步包含抗原,抗原片段,可以治疗或预防抗原,特别是导致哮喘和过敏反应的抗原 ,抗原片段的混合物,被修饰以减少Th2型免疫应答的抗原,以及被修饰以减少Th2型免疫应答的抗原片段。 用于研究含有CpG的核酸的免疫刺激的细胞系统包括体内,体外或离体系统。
    • 8. 发明申请
    • METHOD FOR ALTERING UNDESIRABLE IMMUNE RESPONSES TO POLYPEPTIDES
    • 改变对多肽的不可预见的免疫应答的方法
    • WO0047610A3
    • 2000-11-30
    • PCT/US0003448
    • 2000-02-10
    • PANACEA PHARM LLC
    • CAPLAN MICHAEL
    • A01H5/00A01K67/027A61K38/00A61K45/00A61P37/02C07K14/435C07K19/00C12N15/01C12N15/09G01N33/15G01N33/50G01N33/53G01N33/68G01N37/00A61K39/35C07K14/00C12N15/82
    • G01N33/6878
    • The disclosed method involves providing a collection of mutant polypeptides where the amino acid sequence of each mutant polypeptide differs in at least one position from a polypeptide of interest, identifying mutant polypeptides that exhibit less of the immune response than the polypeptide of interest, and identifying mutant polypeptides with less potential for eliciting an undesirable immune response that still retain the desired characteristic(s). The collection of mutant polypeptides can be provided by mutagenizing nucleic acid encoding a polypeptide of interest and expressing the mutagenized nucleic acid to produce mutant polypeptides. The method is especially useful for reducing immune responses involving both linear and/or conformational epitopes on a polypeptide of interest. This is possible because the recombinant polypeptides used as substrates for mutagenesis in the method are essentially full length, remaining structurally similar to the polypeptide of interest and displaying essentially the same conformational epitopes.
    • 所公开的方法包括提供突变体多肽的集合,其中每个突变体多肽的氨基酸序列在与感兴趣的多肽至少一个位置上不同,鉴定显示比感兴趣的多肽少的免疫应答的突变体多肽,以及鉴定突变体 具有较小可能性的多肽引发仍然保留所需特征的不良免疫应答。 可以通过诱变编码感兴趣多肽的核酸并表达诱变的核酸以产生突变多肽来提供突变多肽的集合。 该方法对于减少涉及目的多肽上的线性和/或构象表位的免疫应答特别有用。 这是可能的,因为在该方法中用作诱变的底物的重组多肽基本上是全长的,保持结构上类似于目的多肽并显示基本上相同的构象表位。
    • 9. 发明申请
    • CONTROLLED DELIVERY OF ANTIGENS
    • 控制输送抗原
    • WO0139800A3
    • 2001-12-13
    • PCT/US0042607
    • 2000-12-06
    • UNIV ARKANSASPANACEA PHARM LLC
    • CAPLAN MICHAELBURKS WESLEY A JRBANNON GARY A
    • A61K9/00A61K9/16A61K39/35A61P37/02A61K39/00A61K9/127A61K47/48A61P37/00
    • A61K9/1647A61K39/35A61K2039/541A61K2039/57A61K2039/6093
    • Formulations and methods have been developed for delivering antigens to individuals in a manner that substantially reduces contact between the antigen and IgE receptors displayed on the surfaces of cells involved in mediating allergic responses. By reducing direct and indirect association of antigens with antigen-specific IgE antibodies, the risk of an allergic reaction, possibly anaphylatic shock, is reduced or eliminated. In the preferred embodiments, the compositions include one or more antigens in a delivery material such as a polymer, in the form of particles or a gel, or lipid vesicles or liposomes, any of which can be stabilized or targeted to enhance delivery. Preferably, the antigen is surrounded by the encapsulation materiel. One result of encapsulating antigen is the reduction in association with antigen-specific IgE antibodies. In a preferred embodiment, the formulation is designed to deliver antigens to individuals in a manner designed to promote a Th1-type mediated immune response and/or in a manner designed to suppress a Th2 response. In still another embodiment, the formulation effects preferential release of the antigen within APCs.
    • 已经开发出制剂和方法,用于以显着降低参与介导过敏反应的细胞表面上显示的抗原与IgE受体之间的接触的方式将抗原递送给个体。 通过减少抗原与抗原特异性IgE抗体的直接和间接结合,减少或消除过敏反应(可能是过敏性休克)的风险。 在优选的实施方案中,组合物包括递送材料中的一种或多种抗原,例如以颗粒或凝胶形式的聚合物,或脂质囊泡或脂质体,其中任一种可以被稳定或靶向以增强递送。 优选地,抗原被包封材料包围。 包封抗原的一个结果是与抗原特异性IgE抗体相关的减少。 在优选的实施方案中,所述制剂被设计为以设计用于促进Th1型介导的免疫应答和/或以设计为抑制Th2应答的方式将抗原递送给个体。 在另一个实施方案中,所述制剂会影响抗原在APC内的优先释放。