A-769662 **

产品名称：A-769662
产品货号：LC  A-1803
产品规格：100 MG
Storage:  Store at or below -20 ºC.  Solubility:  Soluble in DMSO at 33 mg/mL; soluble in ethanol at 5 mg/mL with slight warming; very poorly soluble in water; maximum solubility in plain water is estimated to be about 50-100 µM; buffers, serum, or other additives may increase or decrease the aqueous solubility.  Disposal:  A
A-769662 is a potent, reversible activator of AMP-activated protein kinase (AMPK). AMPK is an αβγ heterotrimer and plays an important role in regulating cellular and whole-body metabolism.  A-769662 only activates AMPK heterotrimers containing the β1 subunit.  A-769662 activates AMPK through the β subunit carbohydrate-binding module and the γ subunit but not the AMP-binding sites.  Scott, J.W., et al.  "Thienopyridone drugs are selective activators of AMP-activated protein kinase β1-containing complexes."  Chem. Biol. 15:  1220-1230 (2008).
A-769662 stimulated partially purified rat liver AMPK with an EC50 of 0.8 µM and inhibited fatty acid synthesis in primary rat hepatocytes with an IC50 of 3.2 µM.  A-769662 decreased liver malonyl CoA levels of Sprague Dawley rats and the respiratory exchange ratio, VCO2/VO2, and thus increased rate of whole-body fatty acid oxidation.  A-769662 reduced hepatic expression of PEPCK, G6Pase, and FAS, decreased body weight gain, lowered plasma glucose by 40%, and reduced both plasma and liver triglyceride levels in ob/ob mice.  Cool, B., et al.  "Identification and characterization of a small molecule AMPK activator that treats key components of type 2 diabetes and the metabolic syndrome."  Cell Metab. 3:  403-416 (2006).
A-769662 induces allosteric activation of AMP-activated protein kinase (AMPK) and inhibition of dephosphorylation of AMPK on Thr-172, similar to the effects of AMP.  Sanders, M.J., et al.  "Defining the mechanism of activation of AMP-activated protein kinase by the small molecule A-769662, a member of the thienopyridone family."  J. Biol. Chem. 282:  32539-32548 (2007).
The effects of A-769662 are not dependent on the upstream kinase used in intact cells.  Göransson, O., et al.  "Mechanism of action of A-769662, a valuable tool for activation of AMP-activated protein kinase."  J. Biol. Chem. 282:  32549-32560 (2007).
In skeletal muscle, A-769662 activates β1-containing AMPK complexes, but induces glucose uptake via a PI3 kinase-dependent pathway.  Treebak, J.T., et al.  "A-769662 activates AMPK β1-containing complexes but induces glucose uptake through a PI3 kinase-dependent pathway in mouse skeletal muscle."  Am. J. Physiol. Cell Physiol. 297:  C1041-C1052 (2009).
A-769662 inhibits 3T3-L1 adipocyte differentiation and may be used to treat obesity.  Zhou, Y., et al.  "Inhibitory effects of A-769662, a novel activator of AMP-activated protein kinase, on 3T3-L1 adipogenesis."  Biol. Pharm. Bull. 32:  993-998 (2009).
A-769662 inhibited the function of the 26S proteasome via an AMPK-independent mechanism.  Moreno, D., et al.  "A769662, a novel activator of AMP-activated protein kinase, inhibits non-proteolytic components of the 26S proteasome by an AMPK-independent mechanism."  FEBS Lett. 582:  2650-2654 (2008).
Sold for laboratory or manufacturing purposes only; not for human, medical, veterinary, food, or household use.
This product is offered for R&D use in accordance with (i) 35 USC 271(e)+A13(1) in the U.S.; (ii) Section 69.1 of Japanese Patent Law in Japan; (iii) Section 11, No. 2 of the German Patent Act of 1981 in Germany; (iv) Section 60, Paragraph 5b of the U.K. Patents Act of 1977 in the U.K.; (v) Sections 55.2(1) and 55.2(6) and other common law exemptions of Canadian patent law; (vi) Section 68B of the Patents Act of 1953 in New Zealand together with the amendment of same by the Statutes Amendment Bill of 2002; (vii) such related legislation and/or case law as may be or become applicable in the aforementioned countries; and (viii) such similar laws and rules as may apply in various other countries.
Not available in some countries; not available to some institutions; not available for some uses.

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