The Janus kinase (JAK)/signal transducer and activator of transcription (STAT) pathway is central to signaling by cytokine receptors, a superfamily of more than 30 transmembrane proteins that recognize specific cytokines, and is critical in blood formation and immune response. Canonical JAK/STAT signaling begins with the association of cytokines and their corresponding transmembrane receptors. Activated JAKs then phosphorylate latent STAT monomers, leading to dimerization, nuclear translocation, and DNA binding. In mammals, there are four JAKs (JAK1, JAK2, JAK3, TYK2) and seven STATs (STAT1, STAT2, STAT3, STAT4, STAT5a, STAT5b, STAT6).

JAKs are an integral component of the receptor subunit with very little release or exchange into the cytoplasm and as such are located primarily at the plasma membrane. STAT has seven conserved features: an N-terminal domain (NT), a coiled-coil domain (CC), a central DNA-binding domain (DBD), a linker region, an SH2 domain followed by a single conserved tyrosine residue, and a C-terminal transactivation domain (TAD). JAK phosphorylation of the STAT proteins then results in a spatial reorganisation of the dimer complex, and translocates to the nucleus. Once in the nucleus, STAT dimmers are stabilised by NT:NT interactions and bind cooperatively to tandem sequence elements within promoter regions to activate the transcription of specific gene subsets.

Aberrant activation of the JAK/STAT pathway has been reported in a variety of diseases, including inflammatory conditions, hematologic malignancies, and solid tumors. More recently, human myeloproliferative neoplasms are discovered to be associated with a unique acquired somatic mutation in JAK2 (JAK2 V617F), rare exon 12 JAK2 mutations, or thrombopoietin receptor mutations that constitutively activate wild-type JAK2. As a result, several drug companies have begun to develop therapeutics that inhibit the function of JAK tyrosine kinases. Currently, several JAK-targeting drugs have been used in the clinic for treating diseases including rheumatoid arthritis and myeloproliferative.

References:
[1] Kiu H, et al. Growth Factors. 2012 Apr;30(2):88-106.
[2] Quintás-Cardama A, et al. Clin Cancer Res. 2013 Apr 15;19(8):1933-40.
[3] Villarino AV, et al. J Immunol. 2015 Jan 1;194(1):21-7.
[4] Vainchenker W, et al. Oncogene. 2013 May 23;32(21):2601-13.


Anti-infection >
Arenavirus Bacterial CMV Enterovirus Filovirus Fungal HBV HCV HIV HSV Influenza Virus Parasite Reverse Transcriptase RSV SARS-CoV
Antibody-drug Conjugate >
ADC Cytotoxin ADC Linker Drug-Linker Conjugates for ADC PROTAC-linker Conjugate for PAC
Apoptosis >
Apoptosis Bcl-2 Family c-Myc Caspase DAPK Ferroptosis IAP MDM-2/p53 PKD RIP kinase Survivin Thymidylate Synthase TNF Receptor
Autophagy >
Autophagy LRRK2 ULK Mitophagy
Cell Cycle/DNA Damage >
Antifolate APC ATM/ATR Aurora Kinase Casein Kinase CDK Checkpoint Kinase (Chk) CRISPR/Cas9 Deubiquitinase DNA Alkylator/Crosslinker DNA-PK DNA/RNA Synthesis Eukaryotic Initiation Factor (eIF) G-quadruplex Haspin Kinase HDAC HSP IRE1 Kinesin LIM Kinase (LIMK) Microtubule/Tubulin Mps1 Nucleoside Antimetabolite/Analog p97 PAK PARP PERK Polo-like Kinase (PLK) PPAR RAD51 ROCK Sirtuin SRPK Telomerase TOPK Topoisomerase Wee1
Cytoskeleton >
Arp2/3 Complex Dynamin Gap Junction Protein Integrin Kinesin Microtubule/Tubulin Mps1 Myosin PAK
Epigenetics >
AMPK Aurora Kinase DNA Methyltransferase Epigenetic Reader Domain HDAC Histone Acetyltransferase Histone Demethylase Histone Methyltransferase JAK MicroRNA PARP PKC Sirtuin Protein Arginine Deiminase
GPCR/G Protein >
5-HT Receptor Adenosine Receptor Adenylate Cyclase Adiponectin Receptor Adrenergic Receptor Angiotensin Receptor Bombesin Receptor Bradykinin Receptor Cannabinoid Receptor CaSR CCR CGRP Receptor Cholecystokinin Receptor CRFR CXCR Dopamine Receptor EBI2/GPR183 Endothelin Receptor GHSR Glucagon Receptor Glucocorticoid Receptor GNRH Receptor GPCR19 GPR109A GPR119 GPR120 GPR139 GPR40 GPR55 GPR84 Guanylate Cyclase Histamine Receptor Imidazoline Receptor Leukotriene Receptor LPL Receptor mAChR MCHR1 (GPR24) Melatonin Receptor mGluR Motilin Receptor Neurokinin Receptor Neuropeptide Y Receptor Neurotensin Receptor Opioid Receptor Orexin Receptor (OX Receptor) Oxytocin Receptor P2Y Receptor Prostaglandin Receptor Protease-Activated Receptor (PAR) Ras RGS Protein Sigma Receptor Somatostatin Receptor TSH Receptor Urotensin Receptor Vasopressin Receptor Melanocortin Receptor
Immunology/Inflammation >
Aryl Hydrocarbon Receptor CCR Complement System COX CXCR FLAP Histamine Receptor IFNAR Interleukin Related IRAK MyD88 NO Synthase NOD-like Receptor (NLR) PD-1/PD-L1 PGE synthase Salt-inducible Kinase (SIK) SPHK STING Thrombopoietin Receptor Toll-like Receptor (TLR) Arginase
JAK/STAT Signaling >
EGFR JAK Pim STAT
MAPK/ERK Pathway >
ERK JNK KLF MAP3K MAP4K MAPKAPK2 (MK2) MEK Mixed Lineage Kinase MNK p38 MAPK Raf Ribosomal S6 Kinase (RSK)
Membrane Transporter/Ion Channel >
ATP Synthase BCRP Calcium Channel CFTR Chloride Channel CRAC Channel CRM1 EAAT2 GABA Receptor GlyT HCN Channel iGluR Monoamine Transporter Monocarboxylate Transporter Na+/Ca2+ Exchanger Na+/HCO3- Cotransporter Na+/K+ ATPase nAChR NKCC P-glycoprotein P2X Receptor Potassium Channel Proton Pump SGLT Sodium Channel TRP Channel URAT1
Metabolic Enzyme/Protease >
15-PGDH 5 alpha Reductase 5-Lipoxygenase Acetyl-CoA Carboxylase Acyltransferase Adenosine Deaminase Adenosine Kinase Aldehyde Dehydrogenase (ALDH) Aldose Reductase Aminopeptidase Angiotensin-converting Enzyme (ACE) ATGL ATP Citrate Lyase Carbonic Anhydrase Carboxypeptidase Cathepsin CETP COMT Cytochrome P450 Dipeptidyl Peptidase Dopamine β-hydroxylase E1/E2/E3 Enzyme Elastase Enolase FAAH FABP Factor Xa Farnesyl Transferase Fatty Acid Synthase (FAS) FXR Glucokinase GSNOR Gutathione S-transferase HCV Protease Hexokinase HIF/HIF Prolyl-Hydroxylase HIV Integrase HIV Protease HMG-CoA Reductase (HMGCR) HSP Indoleamine 2,3-Dioxygenase (IDO) Isocitrate Dehydrogenase (IDH) Lactate Dehydrogenase LXR MAGL Mineralocorticoid Receptor Mitochondrial Metabolism MMP Nampt NEDD8-activating Enzyme Neprilysin PAI-1 PDHK PGC-1α Phosphatase Phosphodiesterase (PDE) Phospholipase Procollagen C Proteinase Proteasome Pyruvate Kinase RAR/RXR Renin ROR Ser/Thr Protease SGK Stearoyl-CoA Desaturase (SCD) Thrombin Tryptophan Hydroxylase Tyrosinase Xanthine Oxidase
Neuronal Signaling >
5-HT Receptor AChE Adenosine Kinase Amyloid-β Beta-secretase CaMK CGRP Receptor COMT Dopamine Receptor Dopamine Transporter FAAH GABA Receptor GlyT iGluR Imidazoline Receptor mAChR Melatonin Receptor Monoamine Oxidase nAChR Neurokinin Receptor Opioid Receptor Serotonin Transporter γ-secretase
NF-κB >
NF-κB IKK Keap1-Nrf2 MALT1
PI3K/Akt/mTOR >
Akt AMPK ATM/ATR DNA-PK GSK-3 MELK mTOR PDK-1 PI3K PI4K PIKfyve PTEN
PROTAC >
PROTAC E3 Ligase Ligand-Linker Conjugate Ligand for E3 Ligase PROTAC Linker PROTAC-linker Conjugate for PAC
Protein Tyrosine Kinase/RTK >
Ack1 ALK Bcr-Abl BMX Kinase Btk c-Fms c-Kit c-Met/HGFR Discoidin Domain Receptor DYRK EGFR Ephrin Receptor FAK FGFR FLT3 IGF-1R Insulin Receptor IRAK Itk PDGFR PKA Pyk2 ROS Src Syk TAM Receptor Trk Receptor VEGFR
Stem Cell/Wnt >
Casein Kinase ERK Gli GSK-3 Hedgehog Hippo (MST) JAK Notch Oct3/4 PKA Porcupine ROCK sFRP-1 Smo STAT TGF-beta/Smad Wnt YAP β-catenin γ-secretase
TGF-beta/Smad >
TGF-beta/Smad PKC ROCK TGF-β Receptor
Vitamin D Related >
VD/VDR
Others >
Androgen Receptor Aromatase Estrogen Receptor/ERR Progesterone Receptor Thyroid Hormone Receptor Others

STA-21(Ochromycinone)

(+)-Ochromycinone is a natural antibiotic that potently inhibits STAT3. (+)-Ochromycinone is used in the researches of cancers and psoriasis[1][2].

  • CAS Number: 28882-53-3
  • MF: C19H14O4
  • MW: 306.31
  • Catalog: STAT
  • Density: 1.4±0.1 g/cm3
  • Boiling Point: 568.6±50.0 °C at 760 mmHg
  • Melting Point: 160-162ºC
  • Flash Point: 311.7±26.6 °C

Ruserontinib

Ruserontinib (SKLB1028) is an orally active multikinase inhibitor of EGFR, FLT3 and Abl, with an IC50 value of 55 nM for human FLT3, and has antitumor activity[1].

  • Density: 1.3±0.1 g/cm3
  • Boiling Point: 671.8±65.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 360.1±34.3 °C

EGFR-IN-67

EGFR-IN-67 (Compound 7d) is a potent EGFR inhibitor with an IC50 of 0.34 μM. EGFR-IN-67 shows anticancer activity[1].

  • CAS Number: 2416924-99-5
  • MF: C18H17N3S
  • MW: 307.41
  • Catalog: EGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PKI-166

PKI-166 is a potent, selective and orally bioavailable EGFR tyrosine kinase inhibitor, with an IC50 of 0.7 nM[1].

  • CAS Number: 187724-61-4
  • MF: C20H18N4O
  • MW: 330.38300
  • Catalog: EGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

JAK3-IN-11

JAK3-IN-11 (Compound 12), a potent, noncytotoxic, irreversible, orally active JAK3 inhibitor with IC50 value of 1.7 nM, has excellent selectivity (>588-fold compared to other JAK isoforms), covalently bind to the ATP-binding pocket in JAK3. JAK3-IN-11 strongly inhibits JAK3-dependent signaling and T cell proliferation, is a promising tool for study autoimmune diseases[1].

  • CAS Number: 2412734-00-8
  • MF: C23H23N5O2
  • MW: 401.46
  • Catalog: JAK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

SC-43

SC-43, a Sorafenib derivative, is a potent and orally active SHP-1 (PTPN6) agonist. SC-43 inhibits the phosphorylation of STAT3 and induces cell apoptosis. SC-43 has anti-fibrotic and anticancer effects[1][2].

  • CAS Number: 1400989-25-4
  • MF: C21H13ClF3N3O2
  • MW: 431.80
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

TAS6417

TAS6417 is an EGFR inhibitor and an efficacious drug candidate for patients with NSCLC, with IC50 values ranging from 1.1-8.0 nM.

  • CAS Number: 1661854-97-2
  • MF: C23H20N6O
  • MW: 396.44
  • Catalog: EGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

EGFR-IN-51

EGFR-IN-51 (Compound 6) is a potent EGFR inhibitor with IC50 values of 0.493, 102.60 and 461.63 µM against EGFR, EGFR L858R-TK and EGFR T790M-TK, respectively. EGFR-IN-51 shows cytotoxic activity against cancer cell lines and induces apoptosis[1].

  • CAS Number: 2418549-32-1
  • MF: C21H15N3O2S
  • MW: 373.43
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Almonertinib mesylate

Almonertinib (HS-10296) mesylate is an orally available, irreversible, third-generation EGFR tyrosine kinase inhibitor with high selectivity for EGFR-sensitizing and T790M resistance mutations. Almonertinib mesylate shows great inhibitory activity against T790M, T790M/L858R and T790M/Del19 (IC50: 0.37, 0.29 and 0.21 nM, respectively), and is less effective against wild type (3.39 nM). Almonertinib mesylate is used for the research of the non-small cell lung cancer[1][2].

  • CAS Number: 2134096-06-1
  • MF: C31H39N7O5S
  • MW: 621.75
  • Catalog: EGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

SIQ17

SIQ17 is an EGFR inhibitor that inhibits its activity by occupying the ATP-binding site, with IC50 of 0.62 nM. SIQ17 shows more effective EGFR-TK inhibitory activity compared to the known inhibitor Erlotinib (HY-50896) (IC50 of ∼20 nM). SIQ17 can be used for cancer research[1]

  • CAS Number: 2151881-74-0
  • MF: C32H27NO2S
  • MW: 489.63
  • Catalog: EGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

EGFR-IN-22

EGFR-IN-22 is a potent EGFR inhibitor with IC50s of 4.91 nM and 0.54 nM for wild type EGFR and EGFRL858R/T790M/C797S, respectively (CN112538072A, compound 243)[1].

  • CAS Number: 2634646-14-1
  • MF: C38H47BrFN10O2P
  • MW: 805.72
  • Catalog: EGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

EMI48

EMI48, the derivative of EMI1, displays greater potency toward mutant EGFR than EMI1. EMI48 inhibits EGFR triple mutants[1].

  • CAS Number: 34564-13-1
  • MF: C21H20N2O3
  • MW: 348.39500
  • Catalog: EGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Gancotamab

Gancotamab (MM-302) is a HER2-targeted antibody-liposomal Doxorubicin conjugate with antitumor activity. Gancotamab encapsulates Doxorubicin to facilitate its delivery to HER2-overexpressing tumor cells[1].

  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

AG-1478

AG-1478 is a selective EGFR tyrosine kinase inhibitor with IC50 of 3 nM.

  • CAS Number: 153436-53-4
  • MF: C16H14ClN3O2
  • MW: 315.754
  • Catalog: EGFR
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: 458.5±45.0 °C at 760 mmHg
  • Melting Point: 247 °C(dec.)
  • Flash Point: 231.1±28.7 °C

STAT3-IN-18

STAT3-IN-18 (compound SPP) is a platinum (IV) complex with an axial ligand derived from sandalwood. STAT3-IN-18 inhibits the JAK2-STAT3 pathway in breast cancer (BC) cells, with anti-proliferative activity. STAT3-IN-18 activates caspase-3 and increases cleaved polyADP-ribose polymerase to induce apoptosis. STAT3-IN-18 promotes maturation and antigen presentation of dendritic cells and demonstrates safety in vivo.

  • CAS Number: 2668267-41-0
  • MF: C18H24Cl2N2O6Pt
  • MW: 630.38
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Ilunocitinib

Ilunocitinib (compound 27) is a JAK inhibitor (extracted from patent WO2009114512A1)[1].

  • CAS Number: 1187594-14-4
  • MF: C17H17N7O2S
  • MW: 383.43
  • Catalog: JAK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

GNE-955

GNE-955 is a potent pan Pim kinase inhibitor with Kis of 18, 110, 8 nM for Pim1, Pim2, Pim3, respectively.

  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

CYT387

Momelotinib (CYT387) is an ATP-competitive inhibitor of JAK1/JAK2 with IC50a of 11 nM and 18 nM,respectively. CYT387 shows much less activity against JAK3.

  • CAS Number: 1056634-68-4
  • MF: C23H22N6O2
  • MW: 414.460
  • Catalog: Autophagy
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

HER2-IN-8

HER2-IN-8 is a HER-2 inhibitor extracted from patent WO2021179274A1 compound 107. HER2-IN-8 can be used for the research of cancer and inflammation[1].

  • CAS Number: 2704630-49-7
  • MF: C26H25F2N9O3
  • MW: 549.53
  • Catalog: EGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Necitumumab

Necitumumab is a human IgG monoclonal antibody directed against EGFR. Necitumumab can be used for research of NSCLC, colorectal cancer, etc[1].

  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Jak-in-3

JAK-IN-3 (compound 22) is a potent JAK inhibitor, with IC50 values of 3 nM, 5 nM, 34 nM and 70 nM for JAK3, JAK1, TYK2 and JAK2, respectively[1].

  • CAS Number: 1400876-94-9
  • MF: C18H20N4O3
  • MW: 340.38
  • Catalog: JAK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

JAK1-IN-7

JAK1-IN-7 is a Janus-associated kinase 1 (JAK1) inhibitor extracted from patent WO2018134213A1, Example 63, has an anti-inflammatory effect[1].

  • CAS Number: 2241039-81-4
  • MF: C28H31F2N7O4S
  • MW: 599.65
  • Catalog: JAK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PIM-IN-2

PIM-IN-2 (Pim-2) is a Pim kinases inhibitor (IC50 = 25 nM). PIM-IN-2 promotes cell survival, is antiapoptotic, and has exhibited an elevated level of expression in a variety of human tumors[1].

  • CAS Number: 1006699-45-1
  • MF: C19H22N4O2
  • MW: 338.40
  • Catalog: Pim
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

JNJ 28871063 hydrochloride

JNJ28871063 hydrochloride is an orally active, highly selective and ATP competitive pan-ErbB kinase inhibitor with IC50 values of 22 nM, 38 nM, and 21 nM for ErbB1, ErbB2, and ErbB4, respectively. JNJ28871063 hydrochloride inhibits phosphorylation of functionally important tyrosine residues in both EGFR and ErbB2. JNJ28871063 hydrochloride crosses the blood-brain barrier and has antitumor activity in human tumor xenograft models that overexpress EGFR and ErbB2[1].

  • CAS Number: 944342-90-9
  • MF: C24H28Cl2N6O3
  • MW: 519.42400
  • Catalog: EGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Avitinib

Avitinib (AC0010) is an irreversible, mutant-selective EGFR inhibitor that effectively inhibits EGFR T790M resistance mutations in non-small cell lung cancer (NSCLC). Abivertinib is also a novel BTK inhibitor.

  • CAS Number: 1557267-42-1
  • MF: C26H26FN7O2
  • MW: 487.529
  • Catalog: EGFR
  • Density: 1.4±0.1 g/cm3
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

TYK2-IN-12

TYK2-IN-12 (compound 30) is an orally active, potent and selective TYK2 (tyrosine kinase 2) inhibitor, with a Ki of 0.51 nM. TYK2-IN-12 inhibits IL-12 induced IFNγ, with IC50 values of 2.7 and 7.0 μM in human and mouse whole blood, respectively. TYK2-IN-12 can be used for psoriasis research[1].

  • CAS Number: 2244061-66-1
  • MF: C24H20F2N4O2
  • MW: 434.44
  • Catalog: JAK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

EGFR-IN-40

EGFR-IN-40 (compound 3z) is a potent BTK, EGFR, and ITK inhibitor with IC50 values of 1.2 nM, 5.3 nM, and 46.1 nM, respectively[1].

  • CAS Number: 1466445-39-5
  • MF: C23H20N6O3
  • MW: 428.44
  • Catalog: EGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

(S)-PM-43I

(S)-PM-43I is a potent STAT6 inhibitor and can reduce STAT6 phosphorylation level. (S)-PM-43I can be used in allergic lung disease, allergic rhinitis, chronic pulmonary obstructive disease and cancer research[1].

  • CAS Number: 1637532-77-4
  • MF: C38H50F2N3O10P
  • MW: 777.79
  • Catalog: STAT
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

AZD1208

AZD1208 is a novel, orally bioavailable, highly selective PIM kinases inhibitor.

  • CAS Number: 1204144-28-4
  • MF: C21H21N3O2S
  • MW: 379.475
  • Catalog: Pim
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

EGFR-IN-25

EGFR-IN-25 is a potent EGFR inhibitor with IC50s of 9 nM and 60 nM for BaF3 cells (EGFR DEL19/T790M/C797S) and A431 cells (WT), respectively[1].

  • CAS Number: 2749562-63-6
  • MF: C34H43N9O2
  • MW: 609.76
  • Catalog: EGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A