JANEX-1

Catalog No.S5903 Synonyms: WHI-P131

For research use only.

JANEX-1 (WHI-P131) is a small molecule inhibitor of JAK3 that selectively inhibits JAK3 at an IC50 of 78 µM without altering the activity of JAK1 or JAK2, or any other protein tyrosine kinases (IC50 ≥ 350 µM).

JANEX-1 Chemical Structure

CAS No. 202475-60-3

Selleck's JANEX-1 has been cited by 1 Publication

Purity & Quality Control

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Biological Activity

Description JANEX-1 (WHI-P131) is a small molecule inhibitor of JAK3 that selectively inhibits JAK3 at an IC50 of 78 µM without altering the activity of JAK1 or JAK2, or any other protein tyrosine kinases (IC50 ≥ 350 µM).
Targets
JAK3 [3]
(Cell-free assay)
78 μM
In vitro

JANEX-1 inhibits JAK3 but not JAK1 or JAK2. The ZAP/SYK family tyrosine kinase SYK, TEC family tyrosine kinase Bruton’s tyrosine kinase (BTK), SRC family tyrosine kinase LYN, and receptor family tyrosine kinase insulin receptor kinase (IRK) are not inhibited by JANEX-1[1]. JANEX-1 suppresses IL-1β and IFN-γ-induced phosphorylation of STAT-1, STAT-3, and STAT-5 proteins. JANEX-1 has a potent inhibitory effect on cytokine-induced β-cell damage[2].

In vivo

JANEX-1 is very well tolerated by mice and monkeys and effective plasma concentrations of JANEX-1 could be achieved at nontoxic dose levels. JANEX-1 suppresses the mitogen and antigen responses of T-cells and attenuates the severity of T-cell-dependent graft-versus-host disease in a bone marrow transplantation model[1].

Protocol (from reference)

Animal Research:

[1]

  • Animal Models: Female NOD mice
  • Dosages: 20, 50 and 100 mg/kg/day
  • Administration: IP

Solubility (25°C)

In vitro

DMSO 5 mg/mL
(16.81 mM)
Water Insoluble
Ethanol Insoluble

Chemical Information

Molecular Weight 297.31
Formula

C16H15N3O3

CAS No. 202475-60-3
Storage 3 years -20°C powder
2 years -80°C in solvent
Smiles COC1=C(C=C2C(=C1)C(=NC=N2)NC3=CC=C(C=C3)O)OC

In vivo Formulation Calculator (Clear solution)

Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)

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Working concentration: mg/ml;

Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such
as vortex, ultrasound or hot water bath can be used to aid dissolving.

Molarity Calculator

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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.

Handling Instructions

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