1. MAPK/ERK Pathway
  2. JNK

SR-3306 

Cat. No.: HY-12829 Purity: 97.91%
Handling Instructions

SR-3306 is a selective, potent, highly brain penetrant JNK inhibitor.

For research use only. We do not sell to patients.

SR-3306 Chemical Structure

SR-3306 Chemical Structure

CAS No. : 1128096-91-2

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5 mg USD 180 In-stock
Estimated Time of Arrival: December 31
10 mg USD 264 In-stock
Estimated Time of Arrival: December 31
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  • Protocol

  • Technical Information

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  • References

Description

SR-3306 is a selective, potent, highly brain penetrant JNK inhibitor.

IC50 & Target[1]

JNK

 

In Vitro

The effect of SR-3306 or Tat-Sab on cell viability in response to oxidative stress is measured by an MTT assay. H9c2 cells treated with 100 μM H2O2/FeSO4 are ~40% viable, whereas the addition of 500 nM SR-3306 or 500 nM SR3562 to cells treated with 100 μM H2O2/FeSO4 increases viability to ~90%, and the addition of 10 μM Tat-Sab peptide to cells treated with 100 μM H2O2/FeSO4 increases viability to ~70% compared with 98% viability in untreated cells. Similar results are found for primary human cardiomyocytes [2].

In Vivo

Administration of SR-3306 [10 mg/kg/day (s.c.) for 14 days] increases the number of tyrosine hydroxylase immunoreactive (TH+) neurons in the SNpc by 6-fold and reduces the loss of the TH+ terminals in the striatum relative to the corresponding side of 6-OHDA-lesioned rats that receive only vehicle (p<0.05). In addition, SR-3306 [10 mg/kg/day (s.c.) for 14 days] decreases d-amphetamine-induced circling by 87% compared to 6-hydroxydopamine (6-OHDA)-lesioned animals given vehicle. Steady-state brain levels of SR-3306 at day 14 are 347 nM, which is approximately 2-fold higher than the cell-based IC50 for this compound. Finally, immunohistochemical staining for phospho-c-jun (p-c-jun) reveals that SR-3306 [10 mg/kg/day (s.c.) for 14 days] produces a 2.3-fold reduction of the number of immunoreactive neurons in the substantia nigra pars compacta (SNpc) relative to vehicle treated rats[1]. In lean mice, intraperitoneal (i.p.) or intracerebroventricular (i.c.v.) administration of SR-3306 reduces food intake and body weight. Moreover, i.p. and i.c.v. administrations of SR11935 exert similar anorectic effects as SR3306, which suggests JNK2 or JNK3 mediates aspect of the anorectic effect by pan-JNK inhibition. Furthermore, daily i.p. injection of SR-3306 (7 days) prevents the increases in food intake and weight gain in lean mice upon high-fat diet feeding, and this injection paradigm reduced high-fat intake and obesity in diet-induced obese (DIO) mice[3].

Solvent & Solubility
In Vitro: 

10 mM in DMSO

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.0385 mL 10.1924 mL 20.3849 mL
5 mM 0.4077 mL 2.0385 mL 4.0770 mL
10 mM 0.2038 mL 1.0192 mL 2.0385 mL
*Please refer to the solubility information to select the appropriate solvent.
References
Cell Assay
[2]

H9c2 cells and primary human cardiomyocytes are grown under normal cell culture conditions (37 °C and 5% CO2) in DMEM supplemented with 10% fetal bovine serum and penicillin/streptomycin. To assure that the cells are actively growing, only cells at ~80% confluency and between passages 5 and 15 are used in our experiments. H9c2 cells and primary human cardiomyocytes are exposed to 500 nM SR-3306, 500 nM SR-3562, 0.01% DMSO vehicle control, 10 μM Tat-SabKIM1, and 10 μM Tat-scramble for 30 min prior to the addition of stress. To induce oxidative stress and mitochondrial dysfunction in H9c2 cells and primary human cardiomyocytes, 100 μM hydrogen peroxide (H2O2)/FeSO4 or 100 μM hydrogen peroxide (H2O2)/FeSO4 is added directly to the media of the cells. The cells are exposed to H2O2/FeSO4 for the times indicated in the experiments[2].

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

Animal Administration
[1][3]

Rats[1]
Four Sprague-Dawley rats are used. SR-3306 is dosed at 2.5 or 10 mg/kg in subcutaneous minipumps at a rate of 5 μL/h, and after 24 h on days 1, 2, 3, 4, 6, 7, 8, 9, 10, 13, and 14 blood, and day 14 brain are collected. Plasma is generated, and the samples are frozen at -80 °C. The plasma and brain are mixed with Acetonitrile (1:5 v/v or 1:5 w/v, respectively). The brain sample is sonicated with a probe tip sonicator to break up the tissue, and samples are analyzed for compound levels by LC-MS/MS. Plasma compound levels are determined against standards made in plasma and brain levels against standards made in blank brain matrix[1].
Mice[3]
Male, lean or DIO C57BL/6 mice are used. The mice are trained to scheduled, daily, 2-hour water access during the light for 2 weeks. On the first day of the conditioned taste aversion (CTA) test, the trained mice are given a novel 0.15% saccharin solution to drink for the first 50 minutes, and are then given an i.p. injection of SR-3306 (30 mg/kg or 60 mg/kg) or the vehicle. The injected mice are then provided water for the remaining 70 min. The next day, the mice are allowed to choose between water and 0.15% saccharin for 50 min. Fluid consumption is calculated[3].

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

References
Molecular Weight

490.56

Formula

C₂₈H₂₆N₈O

CAS No.

1128096-91-2

SMILES

CC(C=C1)=NC=C1C2=NN(C=N2)C3=CC=C(NC4=NC=CC(C5=CC=CC(N6CCOCC6)=C5)=N4)C=C3

Storage
Powder -20°C 3 years
  4°C 2 years
In solvent -80°C 6 months
  -20°C 1 month
Shipping

Room temperature in continental US; may vary elsewhere

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Product Name:
SR-3306
Cat. No.:
HY-12829
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SR-3306

Cat. No.: HY-12829