| Molecular Weight: | 490.06 |
| Formula: | C28H28ClN3OS |
| Purity: | ≥ 98% |
| CAS#: | 364590-63-6 |
| Solubility: | DMSO up to 50 mM |
| Chemical Name: | 3-chloro-N-((1r,4r)-4-(methylamino)cyclohexyl)-N-(3-(pyridin-4-yl)benzyl)benzo[b]thiophene-2-carboxamide |
| Storage: | Powder:4oC 1 year. DMSO:4oC3 month;-20oC 1 year. |
Biological Activity:
SAG is a potent, selective, and cell-permeable small-molecule agonist of the Hedgehog pathway. It modulates the coupling of Smo with its downstream effector by interacting with the Smo heptahelical domain (KD = 59 nM). SAG induces Hedgehog pathway activation with an EC50 of ~3 nM in NIH 3T3-derived Shh-LIGHT2 cells and counteracts Cyclopamine-KAAD inhibition of Smo. It was reported that SAG acts as an activator at low concentrations and as an inhibitor at high concentrations (>1 µM). In recent studies, SAG was shown to prevent glucocorticoid-induced neonatal cerebellar injury, and trigger rapid metabolic rewiring via AMPK.
How to Use:
- In vitro: SAG was used at 200 nM to induce Hh pathway activation.
- In vivo: n/a
Reference:
- 1. Frank-Kamenetsky M, et al. Small-molecule modulators of Hedgehog signaling: identification and characterization of Smoothened agonists and antagonists. (2002) Journal of Biology (1): 10.2-10.19.
- 2. Chen JK, et al. Small molecule modulation of Smoothened activity.(2002) Proc Natl Acad Sci U S A. 99(22):14071-6.
- 3. Chen W, et al. Activity-dependent internalization of smoothened mediated by beta-arrestin 2 and GRK2. (2004) Science. 306(5705):2257-60.
- 4. Dyer LA, et al. BMP signaling modulates hedgehog-induced secondary heart field proliferation. (2010) Dev Biol. 348(2):167-76.
- 5. Heine VM, et al. A small-molecule smoothened agonist prevents glucocorticoid-induced neonatal cerebellar injury. (2011) Sci Transl Med. 3(105).
- 6. Teperino R, et al. Hedgehog partial agonism drives Warburg-like metabolism in muscle and brown fat. (2012) Cell. 151(2):414-26.
SAG_spec.pdf
SAG_MSDS.pdf
Products are for research use only. Not for human use.
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根据组成不同,可分为两种,弱酸及其对应的强碱弱酸盐,弱碱及其对应的强酸弱碱盐。
因为HF可以和NaOH反应生成NaF和水,当NaOH反应完之后,NaF就可以与HF组成缓冲溶液,所以说可以直接使用NaOH和HF来配制缓冲溶液。
这也是一般配制缓冲溶液的方法,也就是用强碱和弱酸(或者强酸和弱碱)来配制缓冲溶液。
百度教育团队【海纳百川团】为您解答。
感谢您的采纳 O(∩_∩)O 。如有疑问,欢迎追问。
酶提取技术,属地球化学勘查学科。其是由克拉克(J.R.Clark)等人于20世纪80年代末和90年代初研制出的一种利用葡萄糖氧化酶提取矿物颗粒表面的非晶质锰的氧化膜寻找隐伏矿的方法。1995年以后已广泛应用。
因为常用的缓冲溶液由弱酸及其共轭酸盐组合而成,当加入酸时,弱酸盐部分转化为弱酸;当加入碱时,弱酸部分转化为弱酸盐。而弱酸在水中不完全电离,弱酸盐在水中可以水解,所以ph变化较小,保持了溶液的PH基本不变。

