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重要文件

S4317

Sigma-Aldrich

SB 431542 水合物

≥98% (HPLC), powder, inhibits activation of SMAD proteins

同義詞:

4-(5-苯并[1,3]二唑-5-基-4-吡啶-2-基-1H-咪唑-2-基)-苯甲酰胺 水合物, 4-[4-(1,3-苯并二唑-5-基)-5-(2-吡啶基)-1H-咪唑-2-基]-苯甲酰胺 水合物, 4-[4-(3,4-亚甲二氧基苯基)-5-(2-吡啶基)-1H-咪唑-2-基]-苯甲酰胺 水合物

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About This Item

經驗公式(希爾表示法):
C22H16N4O3 · xH2O
CAS號碼:
分子量::
384.39 (anhydrous basis)
MDL號碼:
分類程式碼代碼:
51111800
PubChem物質ID:
NACRES:
NA.77
暫時無法取得訂價和供貨情況

產品名稱

SB 431542 水合物, ≥98% (HPLC), powder

化驗

≥98% (HPLC)

形狀

powder

溶解度

DMSO: soluble 10 mg/mL
H2O: insoluble

起源

GlaxoSmithKline

儲存溫度

−20°C

SMILES 字串

O.NC(=O)c1ccc(cc1)-c2nc(-c3ccc4OCOc4c3)c([nH]2)-c5ccccn5

InChI

1S/C22H16N4O3.H2O/c23-21(27)13-4-6-14(7-5-13)22-25-19(20(26-22)16-3-1-2-10-24-16)15-8-9-17-18(11-15)29-12-28-17;/h1-11H,12H2,(H2,23,27)(H,25,26);1H2

InChI 密鑰

WQUIJVKNPYBZOF-UHFFFAOYSA-N

應用

SB-431542被用于研究结直肠肿瘤细胞中血小板衍生生长因子受体B表达与TGF-β途径激活的相关性。[1]它被用于研究TGF-β信号传导在调节细胞外基质[2] 和成肌细胞分化中的作用。[3]

生化/生理作用

SB-431542可抑制TGF-β介导的SMAD蛋白活化、胶原和纤连蛋白表达、细胞增殖和细胞运动。[4][5][6]它不抑制因血清或应激而激活的激酶,如ERK、p38或JNK。[5]
转化生长因子-β超家族I型激活素受体样激酶(ALK)受体的有效和选择性抑制剂。

特點和優勢

该化合物由 GlaxoSmithKline开发。想要浏览其他由制药公司开发的化合物以及已批准物/候选药物清单, 请单击此处

法律資訊

根据Glaxo­Smith­Kline协议出售,用于研究目的

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


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分析證明 (COA)

Lot/Batch Number

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存取文件庫

N J Laping et al.
Molecular pharmacology, 62(1), 58-64 (2002-06-18)
Transforming growth factor beta1 (TGF-beta1) is a potent fibrotic factor responsible for the synthesis of extracellular matrix. TGF-beta1 acts through the TGF-beta type I and type II receptors to activate intracellular mediators, such as Smad proteins, the p38 mitogen-activated protein
A Smad3 and TTF-1/NKX2-1 complex regulates Smad4-independent gene expression.
Isogaya K, Koinuma D, Tsutsumi S, et al.
Cell Research, 24(8), 994-1008 (2014)
Mark D Hjelmeland et al.
Molecular cancer therapeutics, 3(6), 737-745 (2004-06-24)
Transforming growth factor-beta (TGF-beta) is a multifunctional cytokine that promotes malignant glioma invasion, angiogenesis, and immunosuppression. Antisense oligonucleotide suppression of TGF-beta(2) ligand expression has shown promise in preclinical and clinical studies but at least two ligands mediate the effects of
Douglas S Micalizzi et al.
The Journal of clinical investigation, 119(9), 2678-2690 (2009-09-04)
Inappropriate activation of developmental pathways is a well-recognized tumor-promoting mechanism. Here we show that overexpression of the homeoprotein Six1, normally a developmentally restricted transcriptional regulator, increases TGF-beta signaling in human breast cancer cells and induces an epithelial-mesenchymal transition (EMT) that
Yu Zhang et al.
Frontiers in cell and developmental biology, 8, 573028-573028 (2020-10-13)
BMP2 is a critical factor that is involved in the processes of embryo implantation and uterine decidualization. The expression of cyclooxygenase (COX) and subsequent prostaglandin E2 (PGE2) production are critical for successful pregnancy. However, it is not clear whether BMP2

條款

Step-by-step culture protocols for neural stem cell culture including NSC isolation, expansion, differentiation and characterization.

神經幹細胞分離、擴展、分化和表徵等分步培養方案。

Questions

1–2 of 2 Questions  
  1. If not reconstituted for how long can I store the vial?

    1 answer
    1. This product is not assigned an expiration date or recommended retest date. Products with no expiration date or recommended retest date should be routinely inspected by customers to ensure they perform as expected. These products are also subject to a one-year warranty from the date of shipment. For more information, you may access the Product Dating Information document under ADDITIONAL USEFUL DOCUMENTS ABOUT OUR PRODUCTS at the bottom of the Quality Services page with this link: https://www.sigmaaldrich.com/life-science/quality-and-regulatory-management/quality-services.

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  2. How long can I store the reconstituted compound in the freezer -20 degrees? i have one that was aliquoted 4 years ago. Is it still ok to use it ?

    1 answer
    1. It is recommended, following reconstitution, to aliquot and freeze -20°C. The stock solutions are stable for up to 6 months at -20°C. The quality of solutions stored frozen for extended periods has not been evaluated. The end user would have to determine suitability. Any color change, cloudiness, or particulate matter present upon thawing would be a visual indicator of degradation.

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