JAK Inhibitor

Pentagalloylglucose (Penta-O-galloyl-β-D-glucose) is an orally active gallic tannin compound and an inducer of apoptosis and autophagy. Pentagalloglucose induces cell apoptosis and autophagy through the GSK3β/β-catenin pathway. Pentagalloylglucose inhibits UBE2T-mediated p53 ubiquitination, upregulates p53, downregulates RRM1/RRM2 in pancreatic cancer organoids. Pentagalloglucose has antioxidant, anti mutagenic, anti-inflammatory, anticonvulsant, cardioprotective, anti allergic, cholesterol lowering, and anti-tumor activities.

Crocin (Crocin I) is an orally active natural product that can be isolated from the stigma of Crocus sativus. Crocin inhibits tumor cell proliferation and promotes apoptosis through JAK pathway. Crocin has anti-inflammatory, antioxidant and antitumor activities .

Ruxolitinib (S enantiomer) (S-Ruxolitinib) is the S-enantiomer of Ruxolitinib (HY-50856). Ruxolitinib (S enantiomer) is an orally active, potent JAK inhibitor.

Jolkinolide B is a bioactive diterpene isolated from the roots of Euphorbia fischeriana Steud with oral activity. Jolkinolide B downregulates XIAP, cIAP1, cIAP2, and phosphorylated Akt, upregulates Smac, activates caspase-3 and caspase-9, and inhibits NF-κB, TGFβ/smad3 and JAK/STAT3 pathways. Jolkinolide B exerts comprehensive biological effects including inducing cancer cell apoptosis, suppressing inflammatory responses, improving lung function, alleviating hepatic steatosis and eliminating intracellular Mycobacterium tuberculosis. Jolkinolide B can be used for the research of leukemia, histiocytic lymphoma, asthma, metabolic dysfunction-associated steatotic liver disease and tuberculosis.

Liensinine is a bisbenzylisoquinoline alkaloid. By inhibiting the PI3K/AKT and JNK/p38-MAPK signaling pathways, Liensinine suppresses autophagy and apoptosis, clears Aβ, and exerts anti-inflammatory, antioxidant and neuroprotective effects. Liensinine activates AMPK and inhibits the expression of HIF-1α and VEGF, thereby suppressing angiogenesis. Liensinine exerts anti-tumor effects through ROS-mediated inhibition of the JAK2/STAT3 signaling pathway. Liensinine can be used for the research of diseases such as Alzheimer's disease, hepatocellular carcinoma, osteosarcoma, sepsis-induced organ injury and stroke.

Lentinan is an orally active biocompatible multifunctional polysaccharide with biological activities such as anti-inflammatory, antioxidant, immune regulation, anti-tumor, hypoglycemic, and lipid-lowering^[1][4].

Delphinidin chloride is an anthocyanin isolated from berries and red wine. Delphinidin chloride exhibits endothelium-dependent vasodilation and anticancer activity. Delphinidin chloride also modulates JAK/STAT3 and MAPK signaling, thereby inducing apoptosis in HCT116 cells. Delphinidin chloride is also a potent inhibitor of EGFR (IC₅₀: 1.3 μM), shutting down downstream signaling cascades.

Ginsenoside Rk1 is a unique component created by processing the ginseng plant (mainly Sung Ginseng, SG) at high temperatures. Ginsenoside Rk1 has anti-inflammatory effect, suppresses the activation of Jak2/Stat3 signaling pathway and NF-κB. Ginsenoside Rk1 has anti-tumor effect, antiplatelet aggregation activities, anti-insulin resistance, nephroprotective effect, antimicrobial effect, cognitive function enhancement, lipid accumulation reduction and prevents osteoporosis. Ginsenoside Rk1 induces cell apoptosis by triggering intracellular reactive oxygen species (ROS) generation and blocking PI3K/Akt pathway.

Zasocitinib (NDI-034858) is a TYK2 inhibitor, target TYK2 JH2 domain with binding constant K_d of <200 pM.

N-(3-Aminopropyl)cyclohexylamine, a cyclohexylamine derivative, acts as a selective and competitive inhibitor of spermine synthase. N-(3-Aminopropyl)cyclohexylamine can be used for the research of neurological diseases.

Povorcitinib (INCB54707) is a potent and selective JAK1 inhibitor that effectively reduces abscesses and inflammatory nodules. Povorcitinib is used to study cutaneous lupus erythematosus (CLE) and lichen planus (LP).

Gusacitinib (ASN-002) is an orally active dual SYK/JAK kinase inhibitor with IC₅₀ values of 5, 46, 4, 11 and 8 nM for SYK, JAK1, JAK2, JAK3 and TYK2, respectively. Gusacitinib rapidly and significantly suppressed key inflammatory pathways implicated in atopic dermatitis pathogenesis. Gusacitinib can be used in the research of chronic hand eczema and cancers such as basal cell carcinoma.

CAY10526 is an inhibitor of Y-box binding protein 1 (YB-1) and microsomal prostaglandin E2 synthase 1 (mPGES1). CAY10526 inhibits the production of PGE₂ by suppressing YB-1 and mPGES1. CAY10526 induces cell apoptosis (apoptosis) and inhibits the JAK/STAT, TGF-β/Smad3 and PI3K/AKT signaling pathways. CAY10526 can be used in research related to melanoma, prostate cancer, esophageal adenocarcinoma, T-cell lymphoma, etc.

Ponicidin (Rubescensine B) is an orally active RIPK1 inhibitor with a K_d value of 135 nM. Ponicidin inhibits the JAK2/STAT3 pathway to induce apoptosis, activates the PI3K/Akt pathway, upregulates SIRT1 expression, alleviates oxidative stress, suppresses inflammatory responses and necroptosis, and blocks cell cycle progression. Ponicidin induces ROS production to exert antiproliferative and antiviral effects, while also improving cognitive function and reducing Aβ plaque deposition. Ponicidin can be used in studies related to hepatocellular carcinoma, Alzheimer's disease, and gastric cancer.

AMG-47a is an orally active, ATP-competitive Lck inhibitor (IC₅₀=0.2 nM). AMG-47a inhibits VEGF2, p38α, p38α, Jak3, MLR, and IL-2 with IC₅₀ of 1 nM, 3 nM, 72 nM, 30 nM, and 21 nM, respectively. AMG-47a reduces T cell activation and the production of cytokines such as TGF-β, exerting anti-inflammatory and anti-fibrotic activities. AMG-47a can be used in the research of autoimmune diseases, pulmonary fibrosis, and KRAS mutation-associated cancers[1][2][3].

Ilunocitinib (compound 27) is a JAK inhibitor (extracted from patent WO2009114512A1).

Izencitinib (TD-1473) is an orally active, non-selective and gut-restricted JAK inhibitor. Izencitinib (TD-1473) can be used in the study for ulcerative colitis.

Ruxolitinib (Standard) is the analytical standard of Ruxolitinib. This product is intended for research and analytical applications. Ruxolitinib (INCB18424) is a potent and selective JAK1/2 inhibitor with IC₅₀s of 3.3 nM and 2.8 nM in cell-free assays, and has 130-fold selectivity for JAK1/2 over JAK3. Ruxolitinib induces autophagy and kills tumor cells through toxic mitophagy.

JAK1-IN-13 (compound 36b) is an orally active, potent and highly selective inhibitor of JAK1 with an IC₅₀ of 0.044 nM. JAK1-IN-13 significantly decreases STAT3 phosphorylation.

Calenduloside E is a pentacyclic triterpenoid saponin that can be extracted from the bark and roots of Aralia ovata, and has anti-inflammatory and anti-apoptotic activities. Calenduloside E alleviates atherosclerosis by regulating macrophage polarization, improves mitochondrial function by regulating the AMPK-SIRT3 pathway, and alleviates acute liver injury. In addition, Calenduloside E promotes the interaction between L-type calcium channels and Bcl-2 related apoptosis genes, inhibits calcium overload, and alleviates myocardial ischemia/reperfusion injury. Calenduloside E also improves non-alcoholic fatty liver disease by regulating heat shock-dependent pathways, and inhibits ROS mediated JAK1-STAT3 pathways to reduce cellular inflammatory responses.