EC23
Based on 1 Customer Validation
EC23 (AGN 190205) is a stable synthetic retinoid analogue and induces neuronal differentiation.
For research use only. We do not sell to patients.
- Purity : 99.88%
- CAS No.: 104561-41-3
- Formula: C23H24O2
- Molecular Weight:332.44
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Storage:Powder -20°C, 3 years ; In solvent -80°C, 6 months , -20°C, 1 month
Biological Activity
Description
Cellular Effect
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Cell Line
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Type | Value | Description | References |
|---|---|---|---|---|
| COS-7 | EC50 |
0.3 nM
Compound: 9
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Activity at human RARbeta ligand binding domain expressed in COS7 cells co-transfected with Gal4-DBD assessed as transcriptional activation after 16 hrs by Gal4 response element-driven luciferase reporter gene assay
Activity at human RARbeta ligand binding domain expressed in COS7 cells co-transfected with Gal4-DBD assessed as transcriptional activation after 16 hrs by Gal4 response element-driven luciferase reporter gene assay
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[PMID: 19058965] |
| COS-7 | EC50 |
0.6 nM
Compound: 9
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Activity at human RARalpha ligand binding domain expressed in COS7 cells co-transfected with Gal4-DBD assessed as transcriptional activation after 16 hrs by Gal4 response element-driven luciferase reporter gene assay
Activity at human RARalpha ligand binding domain expressed in COS7 cells co-transfected with Gal4-DBD assessed as transcriptional activation after 16 hrs by Gal4 response element-driven luciferase reporter gene assay
|
[PMID: 19058965] |
| COS-7 | EC50 |
0.6 nM
Compound: 9
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Activity at human RARgamma ligand binding domain expressed in COS7 cells co-transfected with Gal4-DBD assessed as transcriptional activation after 16 hrs by Gal4 response element-driven luciferase reporter gene assay
Activity at human RARgamma ligand binding domain expressed in COS7 cells co-transfected with Gal4-DBD assessed as transcriptional activation after 16 hrs by Gal4 response element-driven luciferase reporter gene assay
|
[PMID: 19058965] |
In Vitro
EC23 (AGN 190205) induces neural differentiation accompanying by elevated levels of stathmin and profilin-1. EC23 induces the expression of known cellular retinoid binding proteins in the TERA2.cl.SP12 cell line[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only. Further protocols information, click here.
Chemical Information
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CAS No. 104561-41-3
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Appearance Solid
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Molecular Weight 332.44
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Formula C23H24O2
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Color Off-white to light yellow
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SMILES
O=C(O)C1=CC=C(C#CC2=CC=C3C(C)(C)CCC(C)(C)C3=C2)C=C1
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Synonyms
AGN 190205; BASF-46928
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Powder -20°C 3 years In solvent -80°C 6 months -20°C 1 month
Solvent & Solubility
In Vitro:
DMSO : 125 mg/mL (376.01 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
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, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
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, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
In Vivo:
Select the appropriate dissolution method based on your experimental animal and administration route.
- 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.
Add each solvent one by one: 10% DMSO 40% PEG300 5% Tween-80 45% Saline
Solubility: 2.08 mg/mL (6.26 mM); Suspended solution; Need ultrasonic
This protocol yields a suspended solution of 2.08 mg/mL. Suspended solution can be used for oral and intraperitoneal injection.
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: 2.08 mg/mL (6.26 mM); Suspended solution; Need ultrasonic
This protocol yields a suspended solution of 2.08 mg/mL. Suspended solution can be used for oral and intraperitoneal injection.
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:
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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
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%DMSO +
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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%+
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+%Tween-80 + +
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%Saline +
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).
Working solution concentration: 0.22 mg/mL
Method for preparing stock solution: mg drug dissolved in μL DMSO. Stock solution concentration: mg/mL.
1. Take μL DMSO stock solution;
2. Add μL .
μL , mix evenly;
3. Then add μL Tween 80, mix evenly;
4. Then add μL
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.
Protocols
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PC12 NGF-Induced Neuronal Differentiation Culture
PC12 cells are a rat adrenal pheochromocytoma clonal line that responds to NGF by stopping proliferation and extending branching neurite-like processes; after longer NGF exposure, cells develop long processes and neuronal-like ultrastructural and functional features. NGF-induced differentiation is read out mainly by neurite outgrowth, reduced proliferation, microtubule assembly, and neuronal differentiation-associated proteins such as MAPs, tau, GAP-43, and synapsin-1.
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iPSC/hPSC-Derived Neuron Differentiation Culture
iPSC/hPSC-derived neuron differentiation culture directs pluripotent cells toward neuroectoderm and then neuronal lineages by suppressing developmental signals that maintain non-neural fates; the classic monolayer dual-SMAD approach blocks BMP and Activin/TGF-β signaling with Noggin or dorsomorphin/LDN193189 plus SB431542, producing PAX6-positive neural progenitors that can be further matured into neurons. The readout is generated by morphology, neural progenitor markers, neuronal markers, subtype markers, and functional assays: PAX6/SOX1/NESTIN indicate neural progenitor induction, βIII-tubulin/TUJ1 and MAP2 indicate neuronal differentiation, cortical programs can be assessed by FOXG1, TBR1, CTIP2, SATB2, and synaptic maturation can be assessed by synaptic proteins, calcium activity, multielectrode arrays, or patch-clamp electrophysiology.
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SH-SY5Y Neuronal Differentiation Culture
SH-SY5Y neuronal differentiation culture uses sequential exposure to retinoic acid and neurotrophic factors to reduce proliferative neuroblastoma-like behavior and induce neuron-like morphology, including neurite extension, neuronal marker expression, and, in RA/BDNF protocols, greater synaptic-marker expression than undifferentiated culture. Retinoic acid is commonly used as the initiating differentiation cue, while BDNF in serum-reduced or serum-free medium supports later maturation and neurotrophic-factor-dependent neuron-like survival.
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Human pluripotent stem cell neural induction and neuron differentiation
Human pluripotent stem cell neural induction can be achieved by blocking BMP and TGFβ/Activin/Nodal SMAD signaling, which suppresses non-neural differentiation and promotes early neuroectodermal identity; the expected readout is loss of pluripotency markers such as OCT4 and induction of neural markers such as PAX6, followed by neural progenitor and neuron marker acquisition during differentiation. This protocol uses dual-SMAD neural induction as the core induction method, followed by cortical neuron differentiation as a representative neuron differentiation model; published cortical protocols describe generation of cortical progenitors, temporally ordered cortical projection neurons, action-potential firing, synaptogenesis, and neural network formation over an approximately 80-day process.
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SH-SY5Y neuronal-like differentiation
SH-SY5Y neuronal-like differentiation uses defined culture conditions to shift proliferative human neuroblastoma cells toward a neuron-like state, mainly assessed by reduced proliferation, neurite extension, neuronal-marker expression, and, in some protocols, increased dependence on neurotrophic support. Retinoic acid (RA) is commonly used for the first differentiation phase, and sequential RA followed by brain-derived neurotrophic factor (BDNF) in serum-free medium is a well-characterized approach for generating neuron-like SH-SY5Y cultures with extensive neurite outgrowth. The primary readouts are morphology-based neurite outgrowth and marker-based confirmation using proteins such as βIII-tubulin, MAP2, GAP43, synaptophysin, NeuN, NSE, TH, or related neuronal/synaptic markers, depending on the study endpoint.
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Cell differentiation
Cell differentiation refers to the process in which cells of the same origin gradually produce cell groups with different morphological structure and functional characteristics.
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PC12 NGF-induced neuronal-like differentiation
PC12 cells are a rat adrenal pheochromocytoma-derived clonal cell line that responds to nerve growth factor by stopping proliferation and extending neurites, producing a sympathetic neuron-like phenotype used to study neuronal differentiation and neurite outgrowth. NGF acts through TrkA-dependent signaling, and neurite outgrowth is associated with ERK/Akt signaling, microtubule organization, neuronal-marker expression, and increased electrophysiological neuronal features such as sodium-channel density. The main assay readout is morphological differentiation, usually measured as the percentage of neurite-bearing cells, neurite length, neurite number, or total neurite length per cell. Additional readouts include GAP-43, tyrosine hydroxylase, βIII-tubulin, neurofilament, synapsin I, synaptophysin, ERK phosphorylation, Akt phosphorylation, and sodium-channel current density.
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Directly Induced Neuron Culture
Directly induced neuron culture converts somatic cells, most commonly fibroblasts, into induced neurons without passing through a pluripotent or neural progenitor stage; classic evidence shows that mouse fibroblasts can be converted by Ascl1, Brn2/Pou3f2, and Myt1l, human fibroblasts can be converted by defined neuronal transcription factors, and human fibroblasts can also be converted by miR-9/9-124 with neurogenic or subtype-specifying transcription factors. The readout is acquisition of neuronal identity and function, assessed by neuronal morphology, neuronal markers such as Tuj1/βIII-tubulin, MAP2, synapsin, and subtype markers when relevant, together with functional assays such as action-potential firing, synaptic activity, and electrophysiology.
Purity & Documentation
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Data Sheet (271 KB)
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SDS (418 KB)
- English - EN (418 KB)
- Français - FR (418 KB)
- Deutsch - DE (418 KB)
- Norwegian - NO (418 KB)
- Español - ES (418 KB)
- Swedish - SV (418 KB)
- Italian - IT (418 KB)
- Korean - KR (418 KB)
- Portuguese - PT (418 KB)
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Handling Instructions (2659 KB)
References
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, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO | 1 mM | 3.0081 mL | 15.0403 mL | 30.0806 mL | 75.2015 mL |
| 5 mM | 0.6016 mL | 3.0081 mL | 6.0161 mL | 15.0403 mL | |
| 10 mM | 0.3008 mL | 1.5040 mL | 3.0081 mL | 7.5202 mL | |
| 15 mM | 0.2005 mL | 1.0027 mL | 2.0054 mL | 5.0134 mL | |
| 20 mM | 0.1504 mL | 0.7520 mL | 1.5040 mL | 3.7601 mL | |
| 25 mM | 0.1203 mL | 0.6016 mL | 1.2032 mL | 3.0081 mL | |
| 30 mM | 0.1003 mL | 0.5013 mL | 1.0027 mL | 2.5067 mL | |
| 40 mM | 0.0752 mL | 0.3760 mL | 0.7520 mL | 1.8800 mL | |
| 50 mM | 0.0602 mL | 0.3008 mL | 0.6016 mL | 1.5040 mL | |
| 60 mM | 0.0501 mL | 0.2507 mL | 0.5013 mL | 1.2534 mL | |
| 80 mM | 0.0376 mL | 0.1880 mL | 0.3760 mL | 0.9400 mL | |
| 100 mM | 0.0301 mL | 0.1504 mL | 0.3008 mL | 0.7520 mL |