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    • 1. 发明申请
    • GAMMA-AA-PEPTIDE STAT3/DNA INHIBITORS AND METHODS OF USE
    • GAMMA-AA-PEPTIDE STAT3 / DNA抑制剂及其使用方法
    • WO2015164870A1
    • 2015-10-29
    • PCT/US2015/027801
    • 2015-04-27
    • H. LEE MOFFITT CANCER CENTER AND RESEARCH INSTITUTE, INC.UNIVERSITY OF SOUTH FLORIDASEBTI, Said, M.CAI, Jianfeng
    • SEBTI, Said, M.CAI, Jianfeng
    • A61K31/198
    • C07K7/02C07C237/22
    • STAT3 hyperphosphorylation, dimerization and DNA binding are required for its ability to contribute to malignant transformation. As such, STAT3 has been recognized as a promising target for cancer therapy. Although a number of inhibitors of STAT3-STAT3 dimerization have been reported, molecular ligands that prevent interactions between STAT3 and DNA are very rare. The Υ-AApeptide-based one-bead-one-compound (OBOC) combinatorial library was used, and identified Υ-AApeptides that can selectively inhibit STAT3/DNA interaction and suppress the expression levels of STAT3 target genes in intact cells. The results not only validate Υ-AApeptides as novel inhibitors of STAT3 signaling pathway, but also demonstrate that in addition to the SH2 domain, the DNA binding domain of STAT3 is targetable for the development of new generation of anti-cancer therapeutics. This also validates the approach of OBOC combinatorial library for the identification of ligands targeting traditionally recognized "undruggable targets".
    • 需要STAT3高磷酸化,二聚化和DNA结合才能促成恶性转化。 因此,STAT3已经被认为是癌症治疗的有希望的靶标。 尽管已经报道了许多STAT3-STAT3二聚化抑制剂,但是阻止STAT3和DNA之间相互作用的分子配体是非常罕见的。 使用基于Υ-AA肽的单珠一化合物(OBOC)组合文库,并鉴定出可以选择性抑制STAT3 / DNA相互作用并抑制完整细胞中STAT3靶基因表达水平的Υ-AA肽。 结果不仅验证了Υ-AA肽作为STAT3信号通路的新型抑制剂,而且还证明除SH2结构域外,STAT3的DNA结合结构域可用于开发新一代抗癌治疗剂。 这也验证了OBOC组合库用于识别针对传统认可的“不可抵赖目标”的配体的方法。
    • 4. 发明申请
    • INDOLINE SCAFFOLD SHP-2 INHIBITORS AND CANCER TREATMENT METHOD
    • INDOLINE SCAFFOLD SHP-2抑制剂和癌症治疗方法
    • WO2010011666A3
    • 2010-04-22
    • PCT/US2009051276
    • 2009-07-21
    • UNIV SOUTH FLORIDAWU JIELAWRENCE NICHOLAS JSEBTI SAID M
    • WU JIELAWRENCE NICHOLAS JSEBTI SAID M
    • C07D403/12A61K31/496A61P35/00
    • C07D405/06C07D209/08C07D215/36
    • The subject invention concerns methods and compounds for inhibiting Shp2. In one embodiment, a compound of the invention has a chemical structure as shown in formula I or II: wherein X, Y, and Z are independently N or S; R1 is cycloalkyl, heterocycloalkyl, aryl, or heteroaryl, any of which can be optionally substituted with one or more of halogen; alkyl; heteroalkyl; -COOH; -C(R3)3, wherein R3 can independently be any of -H or halogen; or -OR4, wherein R4 can be any of H, alkyl. or heteroalkyl; R2 is alkyl, alkylcarbonyl, heteroalkylcarbonyl, aryl, arylcarbonyl, heterocycloalkylcarbonyl, cycloalkylcarbonyl, or -C(O)NR6R7, any of which can be optionally substituted with one or more of halogen; alkyl; heteroalkyl; carbonyl; -OR4, wherein R4 can be -H, alkyl, or heteroalkyl; -OH; -C(RO3)3, wherein R3 can independently be any of -H or halogen; aryl, which can be substituted with one or more of halogen or - OR4; heterocycloalkyl; or -C(O)OR5, wherein R5 can be -H or alkyl; R6 and R7 are independently -H, alkyl, heteroalkyl, aryl, or heteroaryl; and R1 is H or alkyl; or a pharmaceutically acceptable salt or hydrate thereof.
    • 本发明涉及用于抑制Shp2的方法和化合物。 在一个实施方案中,本发明的化合物具有如式I或II所示的化学结构:其中X,Y和Z独立地为N或S; R 1是环烷基,杂环烷基,芳基或杂芳基,它们中的任何一个可以任选地被一个或多个卤素取代; 烷基; 杂; -COOH; -C(R 3)3,其中R 3可以独立地为-H或卤素中的任何一个; 或-OR 4,其中R 4可以是H,烷基中的任何一个。 或杂烷基; R 2是烷基,烷基羰基,杂烷基羰基,芳基,芳基羰基,杂环烷基羰基,环烷基羰基或-C(O)NR 6 R 7,它们中的任何一个可以任选地被一个或多个卤素取代; 烷基; 杂; 羰; -OR 4,其中R 4可以是-H,烷基或杂烷基; -哦; -C(RO 3)3,其中R 3可以独立地为-H或卤素中的任何一个; 芳基,其可以被一个或多个卤素或-OR 4取代; 杂环; 或-C(O)OR 5,其中R 5可以是-H或烷基; R6和R7独立地为-H,烷基,杂烷基,芳基或杂芳基; 并且R1是H或烷基; 或其药学上可接受的盐或水合物。