GSK143 is an orally active and highly selective spleen tyrosine kinase (SYK) inhibitor with a pIC50 of 7.5. GSK143 inhibits phosphorylated Erk (pErk: pIC50=7.1)[1]. GSK143 reduces inflammation and prevents recruitment of immune cells in the intestinal muscularis in mice[2][3].
(S)-JDQ-443 is an isomer of JDQ-443 (HY-139612). JDQ-443 is an orally active, potent, selective, and covalent KRAS G12C inhibitor (extracted from patent WO2021120890A1). JDQ-443 shows antitumor activity[1][2].
AMG PERK 44 is an orally active and highly selective PERK inhibitor with an IC50 of 6 nM. AMG PERK 44 has 1000-fold and 160-fold selectivity over GCN2 (IC50=7300 nM) and B-Raf (IC50 >1000 nM), respectively[1][2].
MEK/PI3K-IN-1 (compound 6r) is a potent MEK/PI3K inhibitor, with IC50 values of 124 nM (MEK1), 130 nM (PI3Kα), and 236 nM (PI3Kδ), respectively. MEK/PI3K-IN-1 suppresses pAKT and pERK1/2 levels. MEK/PI3K-IN-1 shows anti-proliferative activity against tumor cell lines[1].
PERK-IN-2 is a potent PERK inhibitor with an IC50 of 0.2 nM[1].
MK-28 is a potent and selective PERK activator. MK-28 exhibits remarkable pharmacokinetic properties and high BBB penetration in mice[1].
ML291 is a UPR (unfolded protein response)-inducing sulfonamidebenzamide. ML291 overwhelms the adaptive capacity of the UPR and induces apoptosis in a variety of solid cancer models. ML291 can activate the PERK/eIF2a/CHOP (apoptotic) arm of the UPR and reduce leukemic cell burden[1].
7DG (7-Desacetoxy-6,7-dehydrogedunin) is a selective inhibitor of protein kinase R (PKR) that directly interact with the C-terminal of PKR; completely protectes macrophages from anthrax lethal toxin (LT)-induced pyroptotic cell death, a model for inflammasome-mediated caspase-1 activation, with an (IC50) of 5 uM.
NBI-42902 is an orally active, potent functional and competitive antagonist of GnRH receptor with an IC50 value of 0.79 nM, a Ki value of 0.56 nM, respectively. NBI-42902 inhibits GnRH-stimulated inositol phosphate (IP) accumulation, Ca2+ flux, and ERK1/2 activation. NBI-42902 inhibits serum luteinizing hormone (LH) in castrated male macaques. NBI-42902 can be used for research on sex-hormone-related diseases[1].
PERK-IN-4 is a potent and selective PERK (protein kinase R (PKR)-like endoplasmic reticulum kinase) inhibitor with an IC 50 of 0.3 nM. PERK is activated in response to a variety of endoplasmic reticulum stresses implicated in numerous disease states[1].
LUF6283 is a potent and orally active HCA(2) partial agonist, with a Ki of 0.55 µM. LUF6283 can achieve the beneficial lipid lowering effect of niacin without producing the unwanted cutaneous flushing side effect[1].
PERK-IN-6 (Compound 5) is a PERK inhibitor with an IC50 of 2.5 nM[1].
VU0424465 is a potent and partial PAM (positive allosteric modulator)-agonist for mGlu5 mediated iCa2+ mobilization. VU0424465 exhibits high affinity at MPEP allosteric binding site, with a Ki value of 11.8 nM. VU0424465 is also a agonist for pERK1/2 in cortical neurons[1][2].
MEK/PI3K-IN-2 (compound 6s) is a potent MEK/PI3K inhibitor, with IC50 values of 352 nM (MEK1), 107 nM (PI3Kα), and 137 nM (PI3Kδ), respectively. MEK/PI3K-IN-2 suppresses pAKT and pERK1/2 levels. MEK/PI3K-IN-2 shows anti-proliferative activity against tumor cell lines[1].
ONO-8130 is an orally active and selective prostanoid EP1 receptor antagonist. ONO-8130 blocks phosphorylation of ERK in the L6 spinal cord. ONO-8130 relieves bladder pain in mice with cyclophosphamide-induced cystitis. ONO-8130 can be used for interstitial cystitis research[1].
Derrone, a prenylated isoflavones, is an Aurora kinase inhibitor, with IC50 values of 6 and 22.3 μM against Aurora B and Aurora A, respectively. Derrone shows anti-tumor activity[1][2].
HC-5404 is a potent and selective PERK inhibitor. HC-5404 has orally activity. HC-5404 significantly blocks metastasis via killing quiescent/slow-cycling ISRhigh[1][2].
ISRIB (trans-isomer) is a potent inhibitor of PERK with an IC50 of 5 nM.
GSK2656157 is a selective and ATP-competitive inhibitor of protein kinase R (PKR)-like endoplasmic reticulum kinase (PERK) with an IC50 of 0.9 nM.
PERK-IN-3 is a potent PERK inhibitor with an IC50 of 7.4 nM[1].
GSK2606414 is a cell-permeable and orally available PERK inhibitor with an IC50 of 0.4 nM.
GSK143 dihydrochloride is an orally active and highly selective spleen tyrosine kinase (SYK) inhibitor with a pIC50 of 7.5. GSK143 dihydrochloride inhibits phosphorylated Erk (pErk: pIC50=7.1)[1]. GSK143 dihydrochloride reduces inflammation and prevents recruitment of immune cells in the intestinal muscularis in mice[2][3].
MSU-42011 is an orally active retinoid X receptor (RXR) agonist. MSU-42011 inhibits the expression of iNOS and p-ERK protein. MSU-42011 has immunomodulatory and antitumor activity. MSU-42011 can be used for cancer research[1].
NSC 295642 is a phosphatase inhibitor. NSC 295642 can significantly increase phospho-Erk cytonuclear differences in intact cells. NSC 295642 can be used for the research of cancer[1].
(S)-PERK-IN-5 is the S-enantiomer of PERK-IN-5. (S)-PERK-IN-5 (example 39) is a PERK inhibitor, with an IC50 of 0.101-0.250 μM[1][2].
CCT020312 is capable of delivering potent, and eukaryotic initiation factor 2-alpha kinase 3 (EIF2AK3) selective, proliferation control and also is an activator of RNA-like endoplasmic reticulum kinase (PERK).
Takeda-6D (compound 6d) is an orally active and potent BRAF/VEGFR2 inhibitor, with IC50 values of 7.0 and 2.2 nM, respectively. Takeda-6D shows antiangiogenesis by suppressing the VEGFR2 pathway in 293/KDR and VEGF-stimulated HUVEC cells.Takeda-6D shows significant suppression of ERK1/2 phosphorylation. Takeda-6D shows antitumor activity[1].