Go6976

Catalog No.S7119 Batch:S711902

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Technical Data

Formula

C24H18N4O
Molecular Weight 377.42 CAS No. 136194-77-9
Solubility (25°C)* In vitro DMSO 44.7 mg/mL (118.43 mM)
Water Insoluble
Ethanol Insoluble
In vivo (Add solvents to the product individually and in order)
Homogeneous suspension
CMC-NA
≥5mg/ml Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
* <1 mg/ml means slightly soluble or insoluble.
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
* Room temperature shipping (Stability testing shows this product can be shipped without any cooling measures.)

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Biological Activity

Description Go6976 (PD406976) is a potent PKC inhibitor with IC50 of 7.9 nM, 2.3 nM, and 6.2 nM for PKC (Rat brain), PKCα, and PKCβ1, respectively. Also a potent inhibitor of JAK2 and Flt3.
Targets
JAK2 [2]
(Cell-free assay)		 FLT3 [2]
(Cell-free assay)		 PKCα [1]
(Cell-free assay)		 PKCβ1 [1]
(Cell-free assay)		 PKC [1]
(Rat brain)
2.3 nM 6.2 nM 7.9 nM
In vitro Go6976 have no effect on the kinase activity of the Ca(2+)-independent PKC subtypes delta, epsilon, and zeta. [1] Beside WT JAK2, Go6976 also inhibits the mutant forms (JAK2 V617F and TEL-JAK2) found in haematological malignancies, and has activity against mutant forms of FLT3. In AML cells, Go6976 reduces the survival to 55% of control in FLT3-ITD cases and to 69% in FLT3-WT samples.[2] Go 6976 potently inhibits HIV-1 induction by Bryostatin 1, tumor necrosis factor alpha, and interleukin 6. [3]
In vivo Go6976 (2.5 mg/kg i.p.), as a PKD inhibitor, effectively prevents LPS/D: -GalN-induced acute liver injury by inhibition of MAPKs activation to reduce TNF-α production, and significantly improves the survival of LPS/D-GalN-challenged mice. [4]

Protocol (from reference)

Kinase Assay:

[1]
  • PKC Activity Assay

    In brief, for measuring PKCα, and PKCβ1 and PKC from rat brain, the assay mixture of 200 μl contains 50 mM HEPES (pH7.5), 5 mM MgCl2, 1 mM EDTA, 1.25 mM EGTA, 1.32 mM CaC12, 1 mM dithiothreitol, 1 μg of phosphatidylserine, 0.2 μg of diolein, 40 μg of histone Hi, 10 μM [γ-32P]ATP (1 μCi/ml), and 5-10 units (pmol of Pi/min) of PKC. Assays are started by the addition of [γ-32P]ATP, incubated for 5 min at 30 °C, stopped by the addition of 2 ml of 8.5% H3PO4, filtered through 0.45-μm nitrocellulose filters, and evaluated by scintillation counting.

Cell Assay:

[2]
  • Cell lines

    Primary AML cells

  • Concentrations

    1 μM

  • Incubation Time

    48 hours

  • Method

    Cells are suspended at 2 × 105 per point in 200 μl RPMI/10% FCS. The inhibitor under investigation is added at the appropriate concentration and the cells incubated for 48 h at 37°C, 5% CO2. MTS activity is measured by CellTiter kit according to the manufacturers instructions. Results are expressed as a percentage of control (cells without inhibitor).
Animal Study:

[4]
  • Animal Models

    LPS/D-GalN-challenged mice

  • Dosages

    2.5 mg/kg

  • Administration

    i.p.

References

  • https://pubmed.ncbi.nlm.nih.gov/8486620/
  • https://pubmed.ncbi.nlm.nih.gov/16956345/
  • https://pubmed.ncbi.nlm.nih.gov/7685108/
  • https://pubmed.ncbi.nlm.nih.gov/21063746/

Customer Product Validation

<p>Erk5 activation depends on Mek5, classical PKC and Mek1/2. MOVAS cells were serum-starved overnight and then treated for 1 h if not indicated otherwise with inhibitors targeting Jnk (SP600125, 10 μM), p38 (SB203580, 10 μM), Mek1/2 (CI-1040, 3 μM), Jak2 (AG490, 10 μM), Src (SU6656, 0.5 μM), Go6983 (PKC, 1 μM), Gö6976 (classical PKC, 1 μM), proteasomes (MG132, 25 μM), TPA (100 ng/ml for 15 min to activate PKCs or overnight to inhibit) and Mek5 (BIX02189, 1 μM), as well as Ca2 + chelators (EDTA, 2 mM; BAPTA-AM, 10 μM; both with 30 min preincubation), followed by stimulation with 20 ng/ml PDGF-BB for 10 min. Total cell lysates (TCL) were prepared and subjected to SDS-PAGE. Erk5 and PDGFRβ activities were measured by band shift and Tyr857 phosphorylation, respectively, using immunoblotting. Panel E and G show representative immunoblots.</p>

, , Cell Signal, 2016, 28(9):1422-31.

Go6976 abolished the anticalcification activity of CST by promoting the ossification of cultured VSMCs. Rat VSMCs werecultured in growth medium or calcification medium in the presence or absence of 10 7mol/L of CST or in calcification medium containing10 7mol/L of CST and pretreated with different doses of Go6976 (0.01, 0.1 and 0.5lmol/L) for 30 min. On day 7 (A, n=4) and 12 (B,n=4), VSMCs were harvested for the determination of ALP activity (A) using an ALP assay kit and calcium content (B) using the OCPCmethod. The VSMCs cultured with calcification medium containing 10 7mol/L of CST were pretreated with different doses of Go6976 (0.01and 0.1lmol/L) for 30 min. On day 6, VSMCs were harvested for the detection of expression of OCN (C, D, n=6). Data from at least threeindependent experiments are presented as the mean SEM, and representative images are shown.*P<.05 and †P<.01. Ctrl, control groupin vitro;b-GP,b-glycerophosphate group;b-GP+CST,b-glycerophosphate plus 10 7mol/L cortistatin group;b-GP+CST+Go6976,b-glycerophosphate plus 10 7mol/L cortistatin plus Go6976 group.

Data from [ , , Acta Physiol, 2018, 223(3):e13055 ]

Representative micrographs showing immunostaining results for p-PKCα and laminin, LC3 and laminin, SQSTM1/p62 and laminin, LAMP2 and laminin in the kidneys at day 7 after UUO. Slides were counterstained with DAPI to visualize cell nuclei.

Data from [ , , J Biol Chem, 2018, doi:10.1074/jbc.RA118.002191 ]

Inhibition of InlB-mediated entry by a chemical inhibitor of PKC-α. HeLa cells were treated with the indicated concentrations of the compound Go6976 699 or with the vehicle DMSO for 45 min before assessment of bacterial entry or cell viability. (i). The effect of Go6976 treatment on entry of Listeria expressing InlB is shown. Data are means +/- SEM from three experiments. *, P < 0.05 compared to the DMSO only (-) condition. (ii). Go6976 treatment did not affect viability of HeLa cells as measured with MTT assays. Results are mean +/- SEM values from three experiments. (iii). Go6976 treatment did not reduce entry of E. coli strain HB101 expressing the invasin protein of Yersinia enterocolitica (inv+ HB101). Data are mean +/- SEM values from three experiments.

Data from [ , , Infect Immun, 2017, e00087-17 ]

Selleck's Go6976 has been cited by 43 publications

Elevated Sphingosine Levels Suppress Profibrotic TGF-β Signaling via the PKC/miR-21/SMAD7 Axis in Sphingosine Kinase 2-Deficient Renal Fibroblasts and Unilateral Ureteral Obstruction-Induced Kidney Fibrosis [ FASEB J, 2025, 39(12):e70768] PubMed: 40558859
Elevated Sphingosine Levels Suppress Profibrotic TGF-β Signaling via the PKC/miR-21/SMAD7 Axis in Sphingosine Kinase 2-Deficient Renal Fibroblasts and Unilateral Ureteral Obstruction-Induced Kidney Fibrosis [ FASEB J, 2025, 39(12):e70768] PubMed: 40558859
LRRC8A-containing anion channels promote glioblastoma proliferation via a WNK1/mTORC2-dependent mechanism [ bioRxiv, 2025, 2025.02.02.636139] PubMed: 39975357
PKCα Induced the Generation of Extracellular Vesicles in Activated Platelets to Promote Breast Cancer Metastasis [ Int J Biol Sci, 2024, 20(10):3956-3971] PubMed: 39113702
G-CSFR-induced leukocyte transendothelial migration during the inflammatory response is regulated by the ICAM1-PKCa axis: based on multiomics integration analysis [ Cell Biol Toxicol, 2024, 40(1):90] PubMed: 39433604
A role for plasma membrane Ca2+ ATPases in regulation of cellular Ca2+ homeostasis by sphingosine kinase-1 [ Pflugers Arch, 2024, 476(12):1895-1911.] PubMed: 39392480
Lamin A/C phosphorylation at serine 22 is a conserved heat shock response to regulate nuclear adaptation during stress [ J Cell Sci, 2023, 136(4)jcs259788] PubMed: 36695453
Spatially differential regulation of ATF2 phosphorylation contributes to warning coloration of gregarious locusts [ Sci Adv, 2023, 9(34):eadi5168] PubMed: 37611100
Spatially differential regulation of ATF2 phosphorylation contributes to warning coloration of gregarious locusts [ Sci Adv, 2023, 9(34):eadi5168] PubMed: 37611100
Trafficking of the glutamate transporter is impaired in LRRK2-related Parkinson's disease [ Acta Neuropathol, 2022, 144-1:81-106] PubMed: 35596783

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