Dorsomorphin 2HCl

Catalog No.S7306

Dorsomorphin 2HCl is a potent, reversible, selective AMPK inhibitor with Ki of 109 nM in cell-free assays, exhibiting no significant inhibition of several structurally related kinases including ZAPK, SYK, PKCθ, PKA, and JAK3. Also inhibits type Ⅰ BMP receptor activity.

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Dorsomorphin 2HCl Chemical Structure

Dorsomorphin 2HCl Chemical Structure
Molecular Weight: 472.41

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Quality Control & MSDS

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Product Description

Biological Activity

Description Dorsomorphin 2HCl is a potent, reversible, selective AMPK inhibitor with Ki of 109 nM in cell-free assays, exhibiting no significant inhibition of several structurally related kinases including ZAPK, SYK, PKCθ, PKA, and JAK3. Also inhibits type Ⅰ BMP receptor activity.
Targets AMPK [1]
(Cell-free assay)
IC50 109 nM(Ki)
In vitro Dorsomorphin inhibits ACC inactivation by either AICAR or metformin, and also attenuates AICAR and metformin’s effect to increase fatty acid oxidation or suppress lipogenic genes in hepatocytes. [1] Inhibition of AMPK activity by Dorsomorphin almost completely inhibits autophagic proteolysis in HT-29 cells. [2] in addition, Dorsomorphin selectively inhibits the BMP type I receptors ALK2, ALK3 and ALK6, and thus blocks BMP-mediated SMAD1/5/8 phosphorylation, target gene transcription and osteogenic differentiation. [3]
In vivo Dorsomorphin (10 mg/kg) reduces basal levels of hepcidin expression and increases serum iron concentrations in adult mice. [3] Dorsomorphin (0.2 mg/kg, i.v.) significantly reduces VCAM-1 and ICAM-1 expression in the thoracic aorta of LPS-treated rats. [4]
Features

Protocol(Only for Reference)

Kinase Assay: [1]

AMPK partial purification and in vitro kinase assay. Liver AMPK is partially purified from male SD rats to the blue-Sepharose step. The 100-μl reaction mixture contains 100 μM AMP, 100 μM ATP (0.5 μCi 33P-ATP per reaction), and 50 μM SAMS in a buffer (40 mM HEPES, pH 7.0, 80 mM NaCl, 0.8 mM EDTA, 5 mM MgCl2, 0.025% BSA, and 0.8 mM DTT). The reaction is initiated with addition of the enzyme. After 30-minute incubation at 30°C, the reaction is stopped by addition of 80 μl 1% H3PO4. Aliquots (100 μl) are transferred to 96-well MultiScreen plates. The plate is washed three times with 1% H3PO4 followed by detection in a Top-count. The in vitro AMPK inhibition data obtained with compound C — (6-[4-(2-Piperidin-1-yl-ethoxy)-phenyl)]-3-pyridin-4-yl-pyyrazolo[1,5-a] pyrimidine — are fit to the following equation for competitive inhibition by nonlinear regression using a least-squares Marquardt algorithm in a computer program written by N. Thornberry of Merck Research Laboratories: Vi/Vo = (Km + S)/[S + Km × (1 + I/Ki)], where Vi is the inhibited velocity, Vo is the initial velocity, S is the substrate (ATP) concentration, Km is the Michaelis constant for ATP, I is the inhibitor (compound C) concentration, and Ki is the dissociation constant for compound C.

Animal Study: [3]

Animal Models Iron-replete mice
Formulation DMSO
Dosages ~10 mg/kg
Administration i.v.

Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)

SpeciesMouseRatRabbitGuinea pigHamsterDog
Weight (kg)0.020.151.80.40.0810
Body Surface Area (m2)0.0070.0250.150.050.020.5
Km factor36128520
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.

Rat dose (mg/kg) = mouse dose (22.4 mg/kg) ×  mouse Km(3)  = 11.2 mg/kg
rat Km(6)
1

References

[1] Zhou G, et al. J Clin Invest. 2001, 108(8), 1167-1174.

[2] Meley D, et al. J Biol Chem. 2006, 281(46), 34870-34879.

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Clinical Trial Information( data from http://clinicaltrials.gov, updated on 2016-05-07)

NCT Number Recruitment Conditions Sponsor
/Collaborators
Start Date Phases
NCT01251562 Suspended Solid Tumors Berg, LLC January 2011 Phase 1

Chemical Information

Download Dorsomorphin 2HCl SDF
Molecular Weight (MW) 472.41
Formula

C24H25N5O.2HCl

CAS No. 1219168-18-9
Storage 3 years -20℃powder
6 months-80℃in solvent
Synonyms BML-275 2HCl
Solubility (25°C) * In vitro Water 94 mg/mL (198.97 mM)
DMSO <1 mg/mL (<1 mM)
Ethanol <1 mg/mL (<1 mM)
In vivo 1% DMSO+30% polyethylene glycol+1% Tween 80 30 mg/mL
* <1 mg/ml means slightly soluble or insoluble.
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
Chemical Name 6-[4-[2-(1-Piperidinyl)ethoxy]pheny​l]-3-(4-pyridinyl)-pyrazolo[1,5-a]pyrimidine dihydrochloride

Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

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