Glibenclamide (Glyburide) is an orally active ATP-sensitive K+ channel (KATP) inhibitor and can be used for the research of diabetes and obesity. Glibenclamide inhibits P-glycoprotein. Glibenclamide directly binds and blocks the SUR1 subunits of KATP and inhibits the cystic fibrosis transmembrane conductance regulator protein (CFTR). Glibenclamide interferes with mitochondrial bioenergetics by inducing changes on membrane ion permeability. Glibenclamide can induce autophagy.
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Glibenclamide Chemical Structure
CAS No. : 10238-21-8
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Based on 20 publication(s) in Google Scholar
Other Forms of Glibenclamide:
Glyburide-d11
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Glyburide-d3
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Glibenclamide potassium
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Glibenclamide (Standard)
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Glibenclamide purchased from MedChemExpress. Usage Cited in:
Front Cell Dev Biol. 2020 May 12;8:269.
[Abstract]
The inhibition of HSP70 releasing by Glibenclamide suppresses morphine-induced ER stress and the phosphorylation of PKA and NR-1. Glibenclamide (200 μM) inhibits the decrease of intracellular HSP70 caused by morphine in SH-SY5Y cells.
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Description
Glibenclamide (Glyburide) is an orally active ATP-sensitive K+ channel (KATP) inhibitor and can be used for the research of diabetes and obesity[1]. Glibenclamide inhibits P-glycoprotein. Glibenclamide directly binds and blocks the SUR1 subunits of KATP and inhibits the cystic fibrosis transmembrane conductance regulator protein (CFTR)[3]. Glibenclamide interferes with mitochondrial bioenergetics by inducing changes on membrane ion permeability[4]. Glibenclamide can induce autophagy[5].
IC50 & Target
KATP[1]
In Vitro
Glibenclamide (Brown adipocytes; 10 μΜ; 1 day) has no effect on adipocyte differentiation. Glibenclamide (Ucp1-2A-GFP brown adipocyte) significantly increases UCP1 expression. Glibenclamide directly binds and blocks the SUR1 subunits of ATP-dependent potassium channels (KATP) and consequently increases insulin secretion from the pancreatic β cells[2]. Glibenclamide interferes with mitochondrial bioenergy by permeating mitochondrial intima with Cl- and promoting mitochondrial net Cl-/K+ cotransport[4]. Glibenclamide induced autophagy inhibits its insulin secretion-improving function in β cells[5].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Glibenclamide Related Antibodies
In Vivo
Glibenclamide (2 mg/kg; p.o.) increases of insulin release and rapid drop of blood glucose level[2]. Glibenclamide (50 μg/kg; p.o.) does not cause significant change, such as body weight or body composition[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Animal Model:
Mice[2]
Dosage:
2 mg/kg
Administration:
P.o.
Result:
Increased of insulin release and rapid drop of blood glucose level.
Room temperature in continental US; may vary elsewhere.
Storage
Powder
-20°C
3 years
4°C
2 years
In solvent
-80°C
2 years
-20°C
1 year
Solvent & Solubility
In Vitro:
DMSO : 100 mg/mL (202.43 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
H2O : < 0.1 mg/mL (insoluble)
Preparing Stock Solutions
ConcentrationSolventMass
1 mg
5 mg
10 mg
1 mM
2.0243 mL
10.1215 mL
20.2429 mL
5 mM
0.4049 mL
2.0243 mL
4.0486 mL
10 mM
0.2024 mL
1.0121 mL
2.0243 mL
View the Complete Stock Solution Preparation Table
*Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles. Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day. The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μLDMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.
Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
Protocol 2
Add each solvent one by one: 10% DMSO 90% Corn Oil
Solubility: ≥ 2.5 mg/mL (5.06 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown). If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Taking 1 mL working solution as an example, add 100 μLDMSO stock solution (25.0 mg/mL) to 900 μLCorn oil, and mix evenly.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:
Dosage
mg/kg
Animal weight (per animal)
g
Dosing volume (per animal)
μL
Number of animals
Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO+
%
+
%
Tween-80
+
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO,
. All of co-solvents are available by MedChemExpress (MCE).
, Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration:
mg/mL
Method for preparing stock solution:
mg
drug dissolved in
μL
DMSO (Stock solution concentration: mg/mL).
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take
μL DMSO stock solution, add
μL .
μL , mix evenly, next add
μL Tween 80, mix evenly, then add
μL Saline.
Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution
If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
[1]. Heo R, et al. The anti-diabetic drug trelagliptin induces vasodilation via activation of Kv channels and SERCA pumps. Life Sci. 2021;283:119868.
[Content Brief]
[2]. Qiu Y, et al. Glyburide Regulates UCP1 Expression in Adipocytes Independent of KATP Channel Blockade. iScience. 2020;23(9):101446.
[Content Brief]
[3]. Golstein PE, et al. P-glycoprotein inhibition by glibenclamide and related compounds. Pflugers Arch. 1999;437(5):652-660.
[Content Brief]
[4]. Fernandes MA, et al. Glibenclamide interferes with mitochondrial bioenergetics by inducing changes on membrane ion permeability. J Biochem Mol Toxicol. 2004;18(3):162-169.
[Content Brief]
[5]. Zhou J, et al. Glibenclamide-Induced Autophagy Inhibits Its Insulin Secretion-Improving Function in β Cells. Int J Endocrinol. 2019;2019:1265175.
[Content Brief]
[1]. Heo R, et al. The anti-diabetic drug trelagliptin induces vasodilation via activation of Kv channels and SERCA pumps. Life Sci. 2021;283:119868.
[2]. Qiu Y, et al. Glyburide Regulates UCP1 Expression in Adipocytes Independent of KATP Channel Blockade. iScience. 2020;23(9):101446.
[3]. Golstein PE, et al. P-glycoprotein inhibition by glibenclamide and related compounds. Pflugers Arch. 1999;437(5):652-660.
[4]. Fernandes MA, et al. Glibenclamide interferes with mitochondrial bioenergetics by inducing changes on membrane ion permeability. J Biochem Mol Toxicol. 2004;18(3):162-169.
[5]. Zhou J, et al. Glibenclamide-Induced Autophagy Inhibits Its Insulin Secretion-Improving Function in β Cells. Int J Endocrinol. 2019;2019:1265175.
Complete Stock Solution Preparation Table
*Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles. Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.
Keywords:
Glibenclamide10238-21-8GlyburidePotassium ChannelMitochondrial MetabolismAutophagyCFTRP-glycoproteinKcsACystic fibrosis transmembrane conductance regulatorP-gpPgpMultidrug resistance protein 1MDR1ATP-binding cassette sub-family B member 1ABCB1Cluster of differentiation 243CD243ATP-sensitivediabetesobesitySUR1cysticfibrosistransmembraneconductanceregulatormitochondrialbioenergeticsautophagyadipocytesInhibitorinhibitorinhibit
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