pkc-in-1

PKC-IN-1 is an ATP-competitive and reversible conventional PKC enzymes inhibitor (PKCα, PKCβI, PKCβII, PKCθ, PKCγ, PKC mu and PKCε with IC50s of 2.3, 8.1, 7.6, 25.6, 57.5, 314, 808 nM, respectively).

Aurora A PKC-IN-1 (Compound 2e) is a potent dual inhibitor of Aurora A (AurA) and PKC (α, β1, β2, θ), exhibiting inhibitory activity on AurA (IC50: 6.9 nM) and PKCα (IC50: 16.9 nM), and demonstrating anti-proliferative and anti-metastatic effects on breast cancer cells.

Ebselen (CCG-39161) is a organoselenium compound with anti-inflammatory, anti-oxidant and cytoprotective activity. Ebselen acts as a glutathione peroxidase mimetic and is thereby able to prevent cellular damage induced by reactive oxygen species (ROS). In addition, this agent inhibits the activity of a variety of enzymes including nitric oxide synthase (NOS), 5-lipoxygenase, cyclooxygenase, protein kinase C (PKC), NADPH oxidase and gastric H+ K+-ATPase. Furthermore, ebselen may be neuroprotective due to its ability to neutralize free radicals upon NMDA receptor activation thus, reducing lipoperoxidation mediated by glutamate-induced excitotoxicity.

API-1 (NSC-177223) is a potent inhibitor of Akt. It induces GSK3-dependent, β-TrCP- and FBXW7-mediated Mcl-1 degradation, resulting in induction of apoptosis .

ZIP acetate is a novel, cell-permeable inhibitor of protein kinase Mζ (PKMζ), a constitutively active, atypical PKC isozyme involved in LTP maintenance. Selectively blocks PKMζ-induced synaptic potentiation in hippocampal slices in vitro. Reverses late-ph

CaMKII-IN-1, a potent and highly selective inhibitor of CaMKII (IC50 = 63 nM), exhibits over 100-fold higher selectivity for CaMKII compared to CaMKIV, MLCK, p38a, Akt1, and PKC.

R 59-022 (DKGI-I) is a diacylglycerol kinase (DGK) inhibitor and a 5-HT Receptor antagonist that blocks filovirus internalization in host cells. R 59-022 activates protein kinase C (PKC), inhibits intestinal smooth muscle contractility, and enhances O2- production induced by 1-oleoyl-2-acetylglycerol.

ζ-Stat (NSC37044), a specific and atypical inhibitor of PKC-ζ with an IC50 of 5 μM, demonstrates the ability to inhibit proliferation and induce apoptosis in melanoma cell lines, exhibiting antitumor activity in vitro[1][2].

Tpl2 kinase inhibitor is an inhibitor of tumor progression locus 2 (Tpl2; IC50= 0.05 μM).1It is selective for Tpl2 over MEK, p38 MAPK, Src, MK2, and PKC (IC50s = >40, 180, >400, 110, and >400 μM, respectively). Tpl2 kinase inhibitor inhibits LPS-induced TNF-α production in isolated human monocytes and whole blood (IC50s = 0.7 and 8.5 μM, respectively). It enhances differentiation induced by calcitriol in HL-60 and U937 leukemia cells when used at a concentration of 5 μM.2Tpl2 kinase inhibitor (5 μM) inhibits the proliferation of KG-1a leukemia cells.3 1.Garvin, L.K., Green, N., Hu, Y., et al.Inhibition of Tpl2 kinase and TNF-α production with 1,7-naphthyridine-3-carbonitriles: Synthesis and structure-activity relationshipsBioor. Med. Chem. Lett.15(23)5288-5292(2005) 2.Wang, X., and Studzinski, G.P.Expression of MAP3 kinase COT1 is up-regulated by 1,25-dihydroxyvitamin D3 in parallel with activated c-jun during differentiation of human myeloid leukemia cellsJ. Steroid. Biochem. Mol. Biol.121(1-2)395-398(2010) 3.Wang, X., Gocek, E., Novik, V., et al.Inhibition of Cot1/Tlp2 oncogene in AML cells reduces ERK5 activation and up-regulates p27Kip1 concomitant with enhancement of differentiation and cell cycle arrest induced by silibinin and 1,25-dihydroxyvitamin D3Cell Cycle9(22)4542-4551(2010)

Protein kinase C (PKC ) is a calcium-independent, phospholipid- and diacylglycerol-dependent serine/threonine kinase involved in diverse signaling pathways, including those involved in neuronal signaling, cytoskeletal function, and inflammation.[1] PKC inhibitor peptide is a synthetic peptide corresponding to an amino acid sequence found in the amino terminal C2 domain of most mammalian forms of PKC .[2] It selectively and reversibly inhibits the translocation of PKC to intracellular membranes, blocking activation.[2] PKC inhibitor peptide is commonly used in cells to evaluate the role of PKC in various cellular responses.[3],[4],[5]

CC-90005 is a potent, selective, and orally active inhibitor of protein kinase C-θ (PKC-θ) with an IC50 of 8 nM, demonstrating strong selectivity over PKC-δ (IC50=4440 nM). Additionally, CC-90005 can inhibit T cell activation by IL-2 expression[1].

Ingenol 3,20-dibenzoate is a powerful activator of protein kinase C (PKC) isoforms that effectively induces the translocation of nPKC-delta, -epsilon, and -theta, as well as PKC-mu, from the cytosolic fraction to the particulate fraction. Through de novo synthesis of macromolecules, it triggers apoptosis with characteristic morphology. Moreover, Ingenol 3,20-dibenzoate enhances IFN-γ production and degranulation in NK cells, particularly when stimulated by NSCLC cells[1][2].

Sphingosine (d14:1) is a bioactive sphingolipid that has been found in B. mori (silkworm), P. clarkii (crayfish), and A. aurita (jellyfish) extracts. It increases the germination rate of N. rileyi, an entomopathogenic fungus, with an EC50 value of 10.2 nM. Sphingosine (d14:1) inhibits protein kinase C (PKC) in vitro (IC50 = 7.3 mol%) as well as superoxide generation induced by phorbol 12-myristate 13-acetate in neutrophils and reduces growth of CHO cells (IC50s = 19 and 8 μM, respectively).

Phellopterin is a partial agonist of the central benzodiazepine receptors in vitro. Phellopterin shows a cytotoxic effect on RAW264.7 cell at the concentration from 40 to 400 μM. Phellopterin reduce TNF-alpha-induced VCAM-1 expression through regulation o

1-Oleoyl-2-acetyl-sn-glycerol (1-oleoyl-2-acetyl-glycerol) is a cell-permeable calcium-dependent protein kinase C (PKC) activator that modulates whole-cell Ca2+ currents in a variety of excitable cells and induces the production of superoxide.

PKC-IN-4 (compound 7l) is a highly potent and orally active inhibitor of atypical protein kinase C (aPKC), with an IC 50 value of 0.52 µM. In vitro studies show that PKC-IN-4 effectively suppresses NF-κB activity induced by TNF-α and impedes retinal vasculature permeability induced by both VEGF and TNF-α. [1]

1. Nardosinone has inhibitory effect on Ang II-induced hypertrophy in H9c2 cells, might be mediated by targeting PI3K Akt and MEK ERK signaling pathways. 2. Nardosinone could protect against the neuronal injury exposed to OGD, which may be relevant to the

PKCiota-IN-1 is a potent inhibitor of PKCiota (PKC-ι), exhibiting an IC50 of 2.7 nM. Additionally, it displays inhibitory activity against PKC-α and PKC-ε, with IC50 values of 45 nM and 450 nM, respectively.

[Ala113]MBP(104-118) TFA is a peptide inhibitor that acts noncompetitively against protein kinase C (PKC), with inhibitory concentrations (IC50) ranging from 28 to 62 μM [1].

Myristoylated TFA Pep2m (Myr-Pep2m TFA) is a cell-permeable peptide that effectively disrupts the interactions between the protein kinase ζ (PKMζ) downstream targets—N-ethylmaleimide-sensitive factor glutamate receptor subunit 2 (NSF GluR2). PKMζ, an autonomously active isozyme of protein kinase C (PKC), plays a crucial role in these interactions [1] [2].

Malantide TFA, a synthetic dodecapeptide, originates from the phosphorylation site targeted by cAMP-dependent protein kinase (PKA) on the β-subunit of phosphorylase kinase. Exhibiting a high specificity for PKA with a Michaelis constant (Km) of 15 μM, this compound demonstrates more than 90% inhibition of substrate phosphorylation in the presence of protein inhibitor (PKI) across various rat tissue extracts [1]. Moreover, Malantide TFA acts as an effective substrate for Protein Kinase C (PKC) with a Km of 16 μM [2].

Protein Kinase C (19-31) TFA is a peptide inhibitor derived from the pseudo-substrate regulatory domain of PKCa (residues 19-31), featuring a serine substitution for alanine at position 25. It serves as a substrate peptide for evaluating Protein Kinase C (PKC) activity, playing a crucial role in modulating protein functions by phosphorylating the hydroxyl groups of serine and threonine amino acids on target proteins [1] [2].

Myelin Basic Protein (MHP4-14) TFA, a synthetic peptide comprising residues 4-14 of myelin basic protein, serves as a highly selective substrate for protein kinase C (PKC) with a K_m of 7 μM. It is not phosphorylated by cyclic AMP-dependent protein kinase, casein kinases I and II, Ca^2+ calmodulin-dependent protein kinase II, or phosphorylase kinase, making it an ideal candidate for protein kinase C assays in crude tissue extracts, ensuring minimal background interference [1] [2].

N-Myristoyl-Lys-Arg-Thr-Leu-Arg is a protein kinase C (PKC) inhibitor (IC50 = 75 μM) that effectively inhibits IL-2 receptor induction and IL-2 production in the human leukemic cell line Jurkat [1].