S1950
STX64
≥98% (HPLC)
别名:
667 Coumate, BN 83495
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关于此项目
经验公式（希尔记法）:
C14H15NO5S
化学文摘社编号:
分子量:
309.34
NACRES:
NA.77
PubChem Substance ID:
UNSPSC Code:
51111800
MDL number:
产品名称
STX64, ≥98% (HPLC)
InChI key
DSLPMJSGSBLWRE-UHFFFAOYSA-N
SMILES string
NS(=O)(=O)Oc1ccc2C3=C(CCCCC3)C(=O)Oc2c1
InChI
1S/C14H15NO5S/c15-21(17,18)20-9-6-7-11-10-4-2-1-3-5-12(10)14(16)19-13(11)8-9/h6-8H,1-5H2,(H2,15,17,18)
assay
≥98% (HPLC)
form
powder
color
white
solubility
DMSO: >20 mg/mL
storage temp.
2-8°C
Gene Information
human ... STS(412)
Biochem/physiol Actions
STX64 is a potent, irreversible inhibitor of steroid sulfatase.
STX64 is a potent, irreversible inhibitor of steroid sulfatase. Inhibition of steroid sulfatase (STS), the enzyme responsible for the hydrolysis of steroid sulfates, represents a potential novel treatment for postmenopausal women with hormone-dependent breast cancer. Estrone and DHEA are formed by this sulfatase pathway and can be converted to steroids (estradiol and androstenediol, respectively), which have potent estrogenic properties. STX64 (667 coumate) is a potent tricylic coumarin-based sulfamate that irreversibly inhibits STS activity (IC50 = 8 nM in a placental microsomal assay system). Estrone sulfamate (EMATE) is also a potent STS inhibitor, but has estrogenic activity.
Features and Benefits
This compound is featured on the Nuclear Receptors (Steroids) page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Xiaoye Sang et al.
The Journal of steroid biochemistry and molecular biology, 183, 80-93 (2018-05-29)
Steroid sulfatase is detectable in most hormone-dependent breast cancers. STX64, an STS inhibitor, induced tumor reduction in animal assay. Despite success in phase І clinical trial, the results of phase II trial were not that significant. Breast Cancer epithelial cells
Yue Wu et al.
Molecular and cellular endocrinology, 486, 79-88 (2019-02-27)
Adrenal androgens dehydroepiandrosterone (DHEA) and DHEA-sulfate (DHEAS) are potential substrates for intracrine production of testosterone (T) and dihydrotestosterone (DHT), or directly to DHT, by prostate cancer (PCa) cells. Production of DHT from DHEAS and DHEA, and the role of steroid
Mengxi Jiang et al.
Journal of hepatology, 64(1), 44-52 (2015-07-30)
Chronic inflammatory liver diseases are associated with estrogen excess and feminization in men, which is thought to be due to compromised liver function to break down estrogens. The goal of this study is to determine whether the inflammatory induction of
Wenmei Wu et al.
International journal of molecular sciences, 21(18) (2020-09-24)
Tip60, a key histone acetyltransferase of the MYST family and member of the nuclear multimeric protein complex (NuA4), regulates the activity and stability of proteins involved in the cell cycle, DNA damage responses, autophagy, etc. However, the function and regulatory
Ning Zhou et al.
Journal of ethnopharmacology, 154(3), 687-695 (2014-05-09)
Shu-Gan-Liang-Xue Decoction (SGLXD), a traditional Chinese herbal formula used to ameliorate the hot flushes in breast cancer patients, was reported to have anti-tumor effect on breast cancer. Estrogen plays a critical role in the genesis and evolution of breast cancer.
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