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    • 2. 发明申请
    • EPITOPE-ENHANCEMENT OF A HUMAN CD4 HIV EPITOPE
    • 人类CD4 HIV外显子的抗体增强
    • WO2005111065A3
    • 2006-03-30
    • PCT/US2005014569
    • 2005-04-27
    • US GOV HEALTH & HUMAN SERVBERZOFSKY JAY AOKAZAKI TAKAHIRO
    • BERZOFSKY JAY AOKAZAKI TAKAHIRO
    • C07K14/16A61K39/21A61P31/18C07K14/155
    • C07K14/005A61K2039/5154A61K2039/5158A61K2039/57C12N2740/16122C12N2740/16222C12N2740/16322
    • Virus-specific CD4 + T cell help and CD8 + cytotoxic T cell responses are critical for the maintenance of effective immunity in chronic viral infections. The importance of the CD4 + T cells has been documented in HIV infection. A T1-specific CD4 + T cell line from a healthy volunteer immunized with a canarypox vector expressing gpl20 has been developed. The cell line was restricted to DR13, which is common in the U.S. in both Caucasians and African-Americans and is one of the major haplotypes in Africans. Amino acid substitutions in the T1 epitope were made to induce a stronger epitope-specific CD4 + T cell response than the original epitope resulting in an improved CD4 epitope. A polypeptide comprising the enhanced CD4 epitope can be used as a component in compositions either alone or in combination with other adjuvants and other immunogenic compositions to induce a more effective immune response to HIV infection.
    • 病毒特异性CD4 + T细胞帮助和CD8 +细胞毒性T细胞应答对于维持慢性病毒感染中的有效免疫是至关重要的。 在HIV感染中已经记录了CD4 + T细胞的重要性。 已经开发了用表达gp120的金丝细胞病毒载体免疫的健康志愿者的T1特异性CD4 + T细胞系。 细胞系限于DR13,这是美国在高加索人和非洲裔美国人中常见的,是非洲人的主要单倍型之一。 使得T1表位中的氨基酸取代引起比原始表位更强的表位特异性CD4 + T细胞应答,导致改善的CD4表位。 包含增强的CD4表位的多肽可以单独使用或与其它佐剂和其它免疫原性组合物组合用作组合物,以诱导对HIV感染的更有效的免疫应答。
    • 10. 发明申请
    • IMMUNOGENIC PEPTIDES FRAGMENTS OF XAGE-1
    • XAGE-1免疫原性片段
    • WO2005058944A3
    • 2006-01-05
    • PCT/US2004041639
    • 2004-12-13
    • US GOV HEALTH & HUMAN SERVBERZOFSKY JAY APASTAN IRA HTERABE MASAKI
    • BERZOFSKY JAY APASTAN IRA HTERABE MASAKI
    • C07K14/47A61K38/17A61P35/00
    • C07K7/06A61K39/0011A61K45/06C07K14/4748
    • XAGE-1 is a gene expressed in a number of important human cancers, including prostate cancer, lung cancer, breast cancer, ovarian cancer, glioblastoma, pancreatic cancer, and melanoma. It has now been discovered that peptides of fifty or fewer amino acids comprising the sequence X 1 X 2 X 3 PSAPSPX 4 (SEQ ID NO:5), where X 1 is any amino acid and is preferably G or Y; X 2 is selected from the group consisting of L, M, A, I, V, and T, with L and M being preferred; X 3 is a hydrophobic residue, M or A; and X 4 is V, M, L, A, I, or T, and is preferably V, bind to the HLA-A2 MHC class I molecule, and can be used to raise immune responses to XAGE-1-expressing cancers. In some embodiments, the P at position 7, the S at position 8, or the P at position 9, can be omitted to create a 9 amino acid peptide. The invention provides immunogenic peptides, nucleic acids encoding them, vectors comprising the nucleic acids, uses of the peptides and nucleic acids for manufacture of medicaments, methods of using the peptides and nucleic acids, and compositions of the peptides or nucleic acids in pharmaceutically acceptable carriers.
    • XAGE-1是在许多重要的人类癌症中表达的基因,包括前列腺癌,肺癌,乳腺癌,卵巢癌,胶质母细胞瘤,胰腺癌和黑素瘤。 现在已经发现,包含序列X 1,X 2,X 3,CPSPSPX 4的五十个或更少的氨基酸的肽, SUB(SEQ ID NO:5),其中X 1是任何氨基酸,优选为G或Y; X 2选自L,M,A,I,V和T,其中L和M是优选的; X 3是疏水残基M或A; 并且X 4是V,M,L,A,I或T,并且优选为V,结合HLA-A2 MHC I类分子,并且可用于提高对XAGE的免疫应答 -1表达的癌症。 在一些实施方案中,可以省略位置7处的P,位置8处的S或位置9处的P,以产生9个氨基酸的肽。 本发明提供免疫原性肽,编码它们的核酸,包含核酸的载体,肽和核酸用于制备药物的用途,使用肽和核酸的方法,以及肽或核酸在药学上可接受的载体中的组合物 。