perk

PERK-IN-6 is a novel and highly potent PERK inhibitor (IC50:2.5 nM).

GSK2606414 is a cell-permeable and orally active protein kinase R-like endoplasmic reticulum kinase(PERK)inhibitor with IC50 of 0.4 nM. GSK2606414 inhibits PERK activation in cells and suppresses the growth of human tumor xenografts in mice.

GSK2656157 is a highly specific and ATP-competitive PERK inhibitor (IC50: 0.9 nM) in a cell-free assay. The selectivty is 500-fold higher against a panel of 300 kinases.

SHP099 (SHP099 free base) free base is an effective, selective, orally bioavailable, and efficacious SHP2 inhibitor (IC50 =0.07 μM and p-ERK modulation in cells IC50 = 0.250 μM). SHP099 shows dose-dependent pathway inhibition and antitumor activity in xenograft models.

ISRIB (trans-isomer) is a potent inhibitor of PERK (IC50=5 nM) that restores protein translation and prevents SG formation in the presence of P-eIF2α.

PERK-IN-4 is a potent and selective PERK inhibitor with an IC50 value of 0.3 nM, used in the study of cancer and neurological disorders.

AMG PERK 44 is an orally active and selective PERK inhibitor (IC50: 6 nM) that induces autophagy. It also inhibits GCN2 (IC50: 7300 nM) and B-Raf (IC50 >1000 nM), making it useful for cancer research.

MSU-42011 is an orally active retinoid X receptor-like (RXR) agonist. It potently inhibits the expression of iNOS, low SREBP-induced and activated RXR, and p-ERK at the protein level. MSU-42011 has demonstrated antitumor activity in a [kras]-driven mouse model of lung cancer and is effective for the treatment of preclinical [kras]-driven lung cancer with immunomodulatory activity.

BAY 2965501 is a potent and selective diacylglycerol kinase zeta (DGKζ) inhibitor that induces pERK activation, and it can be utilized in cancer research.

PERK-IN-2 is a potent inhibitor of PERK with an IC50 of 0.2 nM.

PERK-IN-3 is a potent inhibitor of PERK (IC50 of 7.4 nM).

Compound V8 (PERK eIF2α activator 1), a flavonoid, exhibits anti-tumor properties by inducing apoptosis and activating the PERK-eIF2α-ATF4 pathway. It effectively inhibits the proliferation of HepG2 cells, with an IC 50 value of 23 μM [1].

(S)-PERK-IN-5, the S-enantiomer of PERK-IN-5, is a PERK inhibitor with an IC50 range of 0.101-0.250 μM.

PERK-IN-5 is a highly selective, potent, orally active inhibitor of protein kinase R-like endoplasmic reticulum (ER) kinase (PERK), displaying inhibition with IC50 values of 2 nM for PERK and 9 nM for p-eIF2α. PERK-IN-5 significantly inhibited tumor growth in the 786-O renal cell carcinoma xenograft tumor model.

Piperkadsin A effectively inhibits reactive oxygen species (ROS) production, specifically targeting PMA-induced ROS in human polymorphonuclear neutrophils, exhibiting an inhibition concentration (IC50) of 4.3 μM [1].

DNL343 is a selective and potent eIF2B activator that crosses the blood-brain barrier and inhibits the assembly of stress granules (SGs) induced by the C9ORF72 dipeptide repeats. DNL343 may be useful in the study of neurodegenerative diseases, such as amyotrophic lateral sclerosis (ALS).

HC-5404 is a novel, potent and highly selective PERK (Protein kinase RNA-like Endoplasmic Reticulum Kinase) inhibitor, blocking the activation of the PERK pathway, which in turn inhibits the endoplasmic reticulum stress response signaling pathway, thereby exerting anti-tumor effects, and can be used to treat advanced solid tumors and renal cell Cancer.

Nur77 modulator 4 (Compound 15h) is a Nur77 inducer with a KD of 0.477 μM. It significantly promotes Nur77 expression and apoptosis, exhibiting excellent growth inhibitory effects on HepG2 and MCF-7 cells, with an IC50 of less than 5 μM. Nur77 modulator 4 activates Nur77-mediated ER stress through the PERK-ATF4 and IRE1 signaling pathways, leading to apoptosis. This compound is applicable in cancer research.

KRAS inhibitor-40 (Compound 41) is an inhibitor of KRAS, disrupting the KRAS G12C-BRAF complex and suppressing the phosphorylation of the downstream ERK signaling pathway. This compound also inhibits the proliferation of tumor cells with various KRAS mutations, exhibiting antitumor activity.

Rocaglamide (Roc-A), isolated from the genus Aglaia, can be used to treat coughs, injuries, asthma, and inflammatory skin diseases. It is a potent inhibitor of NF-κB activation in T-cells.

FLT3 VEGFR2-IN-1 (Compound 26) is a potent inhibitor of FLT3, VEGFR2, and HDAC, exhibiting IC50 values of 14.5 nM, 3.9 nM, and 30.8 nM against FLT3, VEGFR2, and HDAC1, respectively. It effectively inhibits the phosphorylation of STAT3 and ERK1 2, as well as the proliferation of leukemia cells. FLT3 VEGFR2-IN-1 demonstrates antitumor activity and is applicable in research on acute myeloid leukemia.

GP 1a is a potent agonist of cannabinoid receptor 2 (CB2) (EC50=7.1), as shown in cAMP, GTPγS and β-arrestin recruitment assays. GP 1a is approximately 30-fold more selective for CB2 receptors than CB1 receptors and increases P-ERK1 2 expression in HL-60 cells in vitro. GP 1a is beneficial for skin wound healing. GP 1a inhibits inflammation and fibrogenesis while promoting epithelial re-formation.

GCN2-IN-6 is also a eIF2α kinase PERK inhibitor with an IC50 of 0.26 nM (in enzymatic assay) and 230 nM (in cells). GCN2-IN-6  is a potent, and orally available GCN2 inhibitor confirmed by in-house enzymatic (IC50 of 1.8 nM) and cellular assays (IC50 of 9

CCT020312 (0-9 µM, 24 h) treatment of medium HT29 cells for 24 h resulted in a concentration-dependent loss of P-S608-pRB signaling with linear response values between 1.8 and 6.1 µM.