Herbimycin A 是一种安那霉素抗生素,作为 Src 家族激酶 (Src family kinase) 的抑制剂,能够与 SH 结构域结合,从而抑制 p60v-src 和 p210BCR-ABL 的活性。此外,Herbimycin A 还能抑制 Hsp90,阻碍热休克的恢复。研究显示,Herbimycin A 在体外内皮细胞中表现出显著的抗血管生成活性。
Disclosed is a triazole derivative(s) represented by the general formula (1) below or a pharmacologically acceptable salt(s) thereof. Also disclosed are a prodrug(s) of such a triazole derivative(s) and an HSP90 inhibitor(s) containing any one of them as an active constituent. (1) (In the formula, X represents a halogen atom, an optionally substituted alkyl group, an optionally substituted alkynyl group or the like; Y represents a mercapto group, a hydroxyl group, an optionally substituted sulfonyl group, an optionally substituted amino group or the like; and R represents an optionally substituted aryl or alkyl group or the like.)
The present invention provides a benzenoid ansamycin derivative represented by Formula (I)
(wherein R
1
and R
2
each represent a hydrogen atom or are combined together to form a bond,
R
8
represents a bond or an oxygen atom,
R
11
represents hydroxy, substituted or unsubstituted lower alkoxy or substituted or unsubstituted lower alkanoyloxy,
R
15
represents a hydrogen atom or methoxy,
R
22
represents a hydrogen atom, substituted or unsubstituted lower alkyl, substituted or unsubstituted lower alkanoyl or substituted or unsubstituted aroyl,
R
4
and R
5
each represent a hydrogen atom or are combined together to form a bond,
R
18
represents a hydrogen atom, or the like,
R
21
represents hydroxy or the like, and
R
17
and R
19
may be the same or different and each represents a hydrogen atom, or the like) or a pharmaceutically acceptable salt thereof.
METHODS AND COMPOSITIONS FOR TREATING CHRONIC INFLAMMATORY INJURY, METAPLASIA, DYSPLASIA AND CANCERS OF EPITHELIAL TISSUES
申请人:University of Houston System
公开号:US20220202792A1
公开(公告)日:2022-06-30
The present disclosure provides methods and formulations for treating a patient suffering from one or more of chronic inflammatory injury, metaplasia, dysplasia or cancer of an epithelial tissue, which method comprises administering to the patient an agent that selectively kills or inhibits the proliferation or differentiation of pathogenic epithelial stem cells (PESCs) relative to normal epithelial stem cells in the tissue in which the PESCs are found. Representative epithelial tissues include pulmonary, genitourinary, gastrointestinal/esophageal, pancreatic and hepatic tissues.