[EN] ZWITTERIONIC COMPOUNDS AND USES THEREOF [FR] COMPOSÉS ZWITTERIONIQUES ET LEURS UTILISATIONS
摘要:
The present application relates to zwitterion compounds of Formula I, to processes of their preparations, to conjugates thereof, to compositions comprising them and to their use in diagnostics and/or therapy. wherein Q is selected from Q1, Q2, Q3, Q4 and Q5:
Design and Synthesis of Potent Hexapeptide and Heptapeptide Gonadotropin-Releasing Hormone Antagonists by Truncation of a Decapeptide Analogue Sequence
truncation strategy was successful for generation of reduced-size hexapeptide and heptapeptide antagonists possessing potent antagonistic capacity. The same methodology was not suitable for the generation of reduced-size agonists, suggesting different conformational characteristics for GnRH agonists and antagonists. A heptapeptide antagonistdesigned by this method was shown to inhibit serum levels of luteinizing
Currently, IgG-binding peptides are widely utilized as a research tool, as molecules that guide substrates to the Fc site for site-selective antibody modification, leading to preparation of a homogeneous antibody–drug conjugate. In this study, a structure–activityrelationshipstudy of an IgG-binding peptide, 15-IgBP, that is focused on its C-terminal His residue was performed in an attempt to create
目前,IgG结合肽已被广泛用作研究工具,可将底物引导至Fc位点的分子以进行位点选择性抗体修饰,从而制备出均一的抗体-药物偶联物。在这项研究中,进行了一项针对IgG结合肽15-IgBP的结构-活性关系研究,该研究的重点是其C末端His残基,以试图创建更有效的肽。被2-吡啶基丙氨酸(2-Pya)取代His17的肽显示出良好的结合亲和力(15-His17(2-Pya),K d = 75.7 nM)。结合先前的结果,我们获得了15-Lys8Leu / His17(2-Pya)-OH,它们显示出强大的结合亲和力(K d = 2.48 nM),并且避免了有关p的三个合成问题C末端的-羟基苄基酰胺化,与His7位置偶联和2-Pya的外消旋化有关的困难。
Chemically Accessible Hsp90 Inhibitor That Does Not Induce a Heat Shock Response
作者:Yen Chin Koay、Jeanette R. McConnell、Yao Wang、Seong Jong Kim、Laura K. Buckton、Flora Mansour、Shelli R. McAlpine
DOI:10.1021/ml500114p
日期:2014.7.10
Recent cancer therapies have focused on targeting biology networks through a single regulatory protein. Heat shock protein 90 (hsp90) is an ideal oncogenic target as it regulates over 400 client proteins and cochaperones. However, clinical inhibitors of hsp90 have had limited success; the primary reason being that they induce a heat shock response. We describe the synthesis and biological evaluation of a new hsp90 inhibitor, SM253. The previous generation on which SM253 is based (SM145) has poor overall synthetic yields, low solubility, and micromolar cytotoxicity. By comparison SM253 has relatively high overall yields, good aqueous solubility, and is more cytotoxic than its parent compound. Verification that hsp90 is SM253's target was accomplished using pull-down and protein folding assays. SM253 is superior to both SM145 and the clinical candidate 17-AAG as it decreases proteins related to the heat shock response by 2-fold, versus a 2-4-fold increase observed when cells are treated with 17-AAG.
Methods for synthesis of encoded libraries
申请人:Morgan Barry
公开号:US20070042401A1
公开(公告)日:2007-02-22
The present invention provides a method of synthesizing libraries of molecules which include an encoding oligonucleotide tag.
Methods for identifying compounds of interest using encoded libraries
申请人:Morgan Barry
公开号:US20070224607A1
公开(公告)日:2007-09-27
The present invention provides a method for identifying a compound of interest by screening libraries of molecules which include an encoding oligonucleotide tag.