1. TGF-beta/Smad
  2. TGF-β Receptor
  3. IN-1130

IN-1130 is a highly selective transforming growth factor-β type I receptor kinase (ALK5) inhibitor with an IC50 of 5.3 nM for ALK5-mediated Smad3 phosphorylation. IN-1130 inhibits ALK5 phosphorylation of casein (IC50=36 nM) and p38α mitogen-activated protein kinase (IC50=4.3 μM). IN-1130 suppresses renal fibrosis in obstructive nephropathy and blocks breast cancer lung metastasis.

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IN-1130 Chemical Structure

IN-1130 Chemical Structure

CAS No. : 868612-83-3

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10 mM * 1 mL in DMSO
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Customer Review

Based on 1 publication(s) in Google Scholar

Top Publications Citing Use of Products

1 Publications Citing Use of MCE IN-1130

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  • Biological Activity

  • Purity & Documentation

  • References

  • Customer Review

Description

IN-1130 is a highly selective transforming growth factor-β type I receptor kinase (ALK5) inhibitor with an IC50 of 5.3 nM for ALK5-mediated Smad3 phosphorylation. IN-1130 inhibits ALK5 phosphorylation of casein (IC50=36 nM) and p38α mitogen-activated protein kinase (IC50=4.3 μM). IN-1130 suppresses renal fibrosis in obstructive nephropathy and blocks breast cancer lung metastasis[1][2].

IC50 & Target[1]

ALK5

 

Cellular Effect
Cell Line Type Value Description References
4T1 IC50
0.0442 μM
Compound: 6, IN-1130
Inhibition of ALK5 in mouse 4T1 cells assessed as inhibition of TGFbeta1-induced luciferase activity after 24 hrs by luciferase reporter gene assay
Inhibition of ALK5 in mouse 4T1 cells assessed as inhibition of TGFbeta1-induced luciferase activity after 24 hrs by luciferase reporter gene assay
[PMID: 24786585]
HaCaT IC50
0.0196 μM
Compound: 6, IN-1130
Inhibition of ALK5 in human HaCaT cells assessed as inhibition of TGFbeta1-induced luciferase activity after 24 hrs by luciferase reporter gene assay
Inhibition of ALK5 in human HaCaT cells assessed as inhibition of TGFbeta1-induced luciferase activity after 24 hrs by luciferase reporter gene assay
[PMID: 24786585]
Sf9 IC50
0.017 μM
Compound: 6, IN-1130
Inhibition of human recombinant ALK5 expressed in insect Sf9 cells using casein as substrate by radioisotopic assay
Inhibition of human recombinant ALK5 expressed in insect Sf9 cells using casein as substrate by radioisotopic assay
[PMID: 24786585]
Sf9 IC50
0.017 μM
Compound: 5, IN-1130
Inhibition of GST-fused recombinant human ALK5 expressed in baculovirus-infected insect Sf9 cells using casein as substrate by radioisotope-based assay
Inhibition of GST-fused recombinant human ALK5 expressed in baculovirus-infected insect Sf9 cells using casein as substrate by radioisotope-based assay
[PMID: 24704197]
Sf9 IC50
0.017 μM
Compound: 6, IN-1130
Inhibition of human recombinant GST-fused ALK5 expressed in insect Sf9 cells using casein as substrate by radiometric kinase assay
Inhibition of human recombinant GST-fused ALK5 expressed in insect Sf9 cells using casein as substrate by radiometric kinase assay
[PMID: 21696866]
Sf9 IC50
17.2 nM
Compound: 5, IN-1130
Inhibition of human recombinant GST-fused ALK5 expressed in Sf9 cells using casein as a substrate by radioisotopic protein kinase assay
Inhibition of human recombinant GST-fused ALK5 expressed in Sf9 cells using casein as a substrate by radioisotopic protein kinase assay
[PMID: 23047226]
Sf9 IC50
17.2 nM
Compound: 6, IN-1130
Inhibition of human recombinant GST-fused ALK5 expressed in Sf9 cells using casein as a substrate by radioisotopic protein kinase assay
Inhibition of human recombinant GST-fused ALK5 expressed in Sf9 cells using casein as a substrate by radioisotopic protein kinase assay
[PMID: 21911290]
Sf9 IC50
36 nM
Compound: IN-1130
Inhibition of GST fused human recombinant ALK5 expressed in Sf9 cells by radioisotopic protein kinase assay
Inhibition of GST fused human recombinant ALK5 expressed in Sf9 cells by radioisotopic protein kinase assay
[PMID: 18571921]
In Vitro

IN-1130 (0.5, 1 μM; for 2 hours) inhibits TGF-β-stimulated Smad2 phosphorylation and subsequent nuclear translocation in HepG2 and 4T1 cells[2].
IN-1130 (1 μM; for 72 hours) restores the TGF-β-mediated decrease in E-cadherin protein expression. IN-1130 (1 μM; for 72 hours) inhibits TGF-β-induced MMPs mRNA expression and the gelatinolytic activity of secreted MMPs in MCF10A cells[2].
IN-1130 (1 μM; pretreated for 30 min) inhibits TGF-β-induced MDA-MB-231 cells, NMuMG, and MCF10A cells mobility and invasion[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Western Blot Analysis[2]

Cell Line: HepG2 and 4T1 cells
Concentration: 0.5, 1 μM
Incubation Time: For 2 hours
Result: Inhibited TGF-β-stimulated Smad2 phosphorylation.

RT-PCR[2]

Cell Line: MCF10A cells
Concentration: 1 μM
Incubation Time: For 72 hours
Result: Inhibited TGF-β-induced MMPs mRNA expression and the gelatinolytic activity of secreted MMPs.
In Vivo

IN-1130 (10, 20 mg/kg/day; IP; for 7 and 14 days) reduces the extent of interstitial nephritis and fibrosis (arrowheads) with 10 mg/kg and significantly reduces or absent histopathological changes with 20 mg/kg in unilateral ureteral obstruction (UUO) rats[1].
IN-1130 (10, 20 mg/kg/day; for 14 days) dose-dependently decreases levels of TGF-β1 mRNA and suppresses phosphorylation of Smad2, α-SMA, myofibroblasts in rat UUO kidneys[1].
IN-1130 (40 mg/kg; IP; 3 times per week for 3 weeks) inhibits in vivo breast cancer metastasis to the lungs in MMTV/c-Neu mice (Eight-week-old female BALB/c mice)[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: Six-week-old male Sprague–Dawley rats weighing 180-200 g[1]
Dosage: 10 and 20 mg/kg
Administration: IP; daily; for 7 and 14 days
Result: Reduced the extent of interstitial nephritis and fibrosis (arrowheads) with 10 mg/kg.
Molecular Weight

420.47

Formula

C25H20N6O

CAS No.
Appearance

Solid

Color

White to light yellow

SMILES

O=C(N)C1=CC=CC(CC2=NC(C3=NC(C)=CC=C3)=C(C4=CC=C5N=CC=NC5=C4)N2)=C1

Shipping

Room temperature in continental US; may vary elsewhere.

Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : 100 mg/mL (237.83 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.3783 mL 11.8915 mL 23.7829 mL
5 mM 0.4757 mL 2.3783 mL 4.7566 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, 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.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

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Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

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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.

  • Protocol 1

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in Saline)

    Solubility: ≥ 1.43 mg/mL (3.40 mM); Clear solution

    This protocol yields a clear solution of ≥ 1.43 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (14.3 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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(per animal)

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(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 +
+
%
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%
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.
 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.
Purity & Documentation

Purity: 99.93%

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 2.3783 mL 11.8915 mL 23.7829 mL 59.4573 mL
5 mM 0.4757 mL 2.3783 mL 4.7566 mL 11.8915 mL
10 mM 0.2378 mL 1.1891 mL 2.3783 mL 5.9457 mL
15 mM 0.1586 mL 0.7928 mL 1.5855 mL 3.9638 mL
20 mM 0.1189 mL 0.5946 mL 1.1891 mL 2.9729 mL
25 mM 0.0951 mL 0.4757 mL 0.9513 mL 2.3783 mL
30 mM 0.0793 mL 0.3964 mL 0.7928 mL 1.9819 mL
40 mM 0.0595 mL 0.2973 mL 0.5946 mL 1.4864 mL
50 mM 0.0476 mL 0.2378 mL 0.4757 mL 1.1891 mL
60 mM 0.0396 mL 0.1982 mL 0.3964 mL 0.9910 mL
80 mM 0.0297 mL 0.1486 mL 0.2973 mL 0.7432 mL
100 mM 0.0238 mL 0.1189 mL 0.2378 mL 0.5946 mL
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  • Do most proteins show cross-species activity?

    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.

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IN-1130
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HY-18758
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