JAK/Stat

JAK-IN-1 is a JAK1/2/3 inhibitor with IC50s of 0.26, 0.8 and 3.2 nM, respectively. JAK-IN-1 shows improved selectivity for JAK3 over JAK1.

BGB-102 is a potent multi-kinase inhibitor against EGFR, HER2, and HER4 with IC50s of 9.6 nM, 18 nM and 40.3 nM, respectively.

NVP-BSK805 dihydrochloride (BSK805 dihydrochloride) is an ATP-competitive JAK2 inhibitor, with IC50s of 0.48 nM, 31.63 nM, 18.68 nM, and 10.76 nM for JAK2 JH1 (JAK homology 1), JAK1 JH1, JAK3 JH1, and TYK2 JH1, respectively.

INCB053914 phosphate is an inhibitor of Pim extracted from patent WO 2017044730 A1, compound 1; has an IC50 of less than 35 nM.

Tyk2-IN-7 (Compound 48) is a TYK2 JH2 inhibitor, binds to TYK2 JH2 domain with IC50 and Ki.app of 0.00053 μM and 0.00007 μM, respectively.

Colivelin TFA is a brain penetrant neuroprotective peptide and a potent activator of STAT3, suppresses neuronal death by activating STAT3 in vitro. Colivelin TFA exhibits long-term beneficial effects against neurotoxicity, Aβ deposition, neuronal apoptosis, and synaptic plasticity deficits in neurodegenerative disease. Colivelin TFA has the potential for the treatment of alzheimer's disease and ischemic brain injury.

Colivelin is a brain penetrant neuroprotective peptide and a potent activator of STAT3, suppresses neuronal death by activating STAT3 in vitro. Colivelin exhibits long-term beneficial effects against neurotoxicity, Aβ deposition, neuronal apoptosis, and synaptic plasticity deficits in neurodegenerative disease. Colivelin has the potential for the treatment of alzheimer's disease and ischemic brain injury

SU-4313 is a small-molecule modulator of protein tyrosine kinases (PTKs). It inhibits multiple receptor tyrosine kinases with reported IC₅₀ values of 14.5 μM (PDGFR), 18.8 μM (FLK-1/VEGFR2), 11 μM (EGFR), 16.9 μM (HER2 kinase), and 8.0 μM (IGF-1R).

Through its multi-kinase inhibitory profile, SU-4313 modulates tyrosine kinase–mediated signal transduction pathways involved in the regulation of cell proliferation and growth. It is therefore commonly used as a research tool for investigating aberrant receptor tyrosine kinase signaling and proliferation-associated pathways.

AK-2292 is a potent and selective degrader of the STAT5 transcription factor, exhibiting a DC50 of 0.10 μM. This compound effectively induces the degradation of STAT5A/B proteins both in vitro and in vivo, demonstrating potential for tumor regression in acute myeloid leukemia and chronic myeloid leukemia xenograft mouse models. Additionally, AK-2292 features an alkyne group, enabling it to participate in copper-catalyzed azide-alkyne cycloaddition (CuAAc) reactions with azide-containing molecules, making it a valuable tool for chemical biology applications.

SJ10542 is a potent and selective PROTAC degrader targeting JAK2 and JAK3. With DC50 values of 14 nM for JAK2 and 11 nM for JAK3 in patient-derived xenograft cells (PDX), SJ10542 demonstrates significant antitumor activity. This compound is valuable for research in hematological malignancies and autoimmune diseases, facilitating the exploration of targeted degradation mechanisms in these therapeutic areas.

SJ988497 is a potent PROTAC JAK2 degrader that targets JAK2 for degradation, playing a critical role in the inhibition of CRLF2-rearranged (CRLF2r) cell proliferation. Functionally, SJ988497 induces degradation of the neosubstrate GSPT1 through its architecture consisting of a Ruxolitinib derivative, a linker, and the CRBN ligand Pomalidomide. This compound is particularly valuable for research focused on acute lymphoblastic leukemia (ALL).

PROTAC JAK1 Degrader 1 is a selective PROTAC agent targeting JAK1, exhibiting a DC50 of 214 nM. This compound initiates rapid degradation of JAK1, leading to significant antitumor activity. It serves as a valuable tool for investigating JAK1-related signaling pathways and developing therapeutic strategies for malignancies driven by JAK1 dysregulation.

MS154 is a novel E3 ligase cereblon-recruited degrader specifically targeting epidermal growth factor receptor (EGFR). It has demonstrated potent degradation of the EGFR L858R mutant in cancer cell lines with Kd values of 1.8 nM and 3.8 nM for wild-type and mutant EGFR, respectively. This selective degradation mechanism highlights its potential as an anticancer agent, particularly in lung cancer treatment. MS154 operates through an E3 ligase-dependent pathway, representing a promising therapeutic strategy for treating EGFR-driven malignancies.

PROTAC TYK2 degradation agent1 is a selective degrader targeting TYK2, effectively facilitating its degradation with a DC50 value of 14 nM. This compound highlights significant biological activity in modulating TYK2 levels, making it a useful tool for investigating autoimmune diseases. Research applications include studying the role of TYK2 in inflammatory pathways and evaluating potential therapeutic strategies.

Triacetylresveratrol is an acetylated analog of Resveratrol that functions as an inhibitor of STAT3 and NF-κB signaling pathways. It effectively reduces the phosphorylation levels of STAT3 and NF-κB in a dose- and time-dependent manner in PANC-1 and BxPC-3 cancer cell lines. Its promising anticancer activity makes it a valuable tool for research in cancer biology and therapeutic development.

Niclosamide (BAY2353) is an orally active antihelminthic agent used in parasitic infection research. Niclosamide is a STAT3 inhibitor with an IC50 of 0.25 μM in HeLa cells. Niclosamide has biological activities against cancer, inhibits DNA replication in Vero E6 cells.

Osunprotafib (ABBV-CLS-484) is an orally active and selective active site PTPN1 (IC50: 2.5 nM) and PTPN2(IC50: 1.8 nM) inhibitor. Osunprotafib has 6-8-fold weaker activity on PTPN9 and no detectable activity on SHP-1 or SHP-2. Osunprotafib increases the sensitivity of human cancer cell lines to IFNγ. Osunprotafib generates robust anti-tumor immunity by enhancing JAK-STAT signalling and reducing T cell dysfunction.

Cucurbitacin IIa is a potent EGFR inhibitor with an IC50 of 1.455 nM, demonstrating effective modulation of the EGFR signaling pathway. This compound induces caspase-3-dependent apoptosis, downregulates survivin expression, and enhances autophagy, while disrupting the actin cytoskeleton and arresting the cell cycle at the G2/M phase. Additionally, Cucurbitacin IIa exhibits anti-inflammatory properties, making it a valuable tool for research into inflammation-related diseases, depression, and various cancers, including non-small cell lung cancer.

Pentadecanoic acid is a saturated fatty acid that serves as an inhibitor of STAT3, a critical transcription factor involved in cellular signaling pathways. Its primary biological activity includes modulation of inflammatory responses and potential anti-cancer effects. This compound is utilized in research applications focused on cancer therapy, inflammation studies, and metabolic regulation.

STAT3-IN-13 is a potent inhibitor of the STAT3 signaling pathway, specifically targeting the SH2 domain with a binding affinity of 0.46 μM. This compound effectively inhibits the phosphorylation of STAT3 at Y705, subsequently reducing the expression of downstream target genes. In vitro studies demonstrate its ability to induce apoptosis, while in vivo applications show suppression of tumor growth and metastasis. STAT3-IN-13 is a valuable tool for cancer research, particularly in studies focused on the modulation of aberrant STAT3 activity.

Atiprimod hydrochloride is a potent inhibitor of the signal transducer and activator of transcription 3 (STAT3). It demonstrates significant antitumor, anti-inflammatory, and anti-angiogenic properties by blocking IL-6 and VEGF signaling pathways, inhibiting the phosphorylation of JAK2 and JAK3. Atiprimod effectively induces cell cycle arrest, autophagy, and apoptosis in various cancer cell types, particularly through the activation of the PERK/eIF2α/ATF4/CHOP pathway in breast cancer cells. Its efficacy in tumor xenograft mouse models underscores its potential for investigating therapeutic approaches in conditions such as pituitary adenoma, breast cancer, multiple myeloma, and acute myeloid leukemia (AML).

JP-11646 is a potent pan-PIM inhibitor specifically targeting PIM2 with an IC50 of 0.5 nM. This reversible, ATP non-competitive inhibitor significantly reduces the mRNA levels of PIM1, PIM2, and PIM3. JP-11646 has demonstrated efficacy in inhibiting cell viability in small cell lung cancer (SCLC) and large cell neuroendocrine carcinomas of the lung (LCNEC), leading to apoptosis or necroptosis through decreased p-4EBP-1 and altered caspase activity. This reagent is valuable for research applications in SCLC, LCNEC, acute myeloid leukemia (AML), multiple myeloma (MM), and triple-negative breast cancer (TNBC).

Pim-1 kinase inhibitor 10 is a selective inhibitor of PIM-1 and PIM-2 kinases, functioning through both competitive and non-competitive mechanisms. This compound effectively induces apoptosis in cancer cells, demonstrating significant anticancer activity. Additionally, Pim-1 kinase inhibitor 10 activates caspase 3 and 7, further contributing to its potential as a therapeutic agent in cancer research.

Atiprimod dimaleate is a selective inhibitor of the transcription factor STAT3, demonstrating significant antitumor, anti-inflammatory, and anti-angiogenic properties. By disrupting IL-6 and VEGF signaling pathways, it inhibits the phosphorylation of JAK2 and JAK3, effectively blocking the JAK-STAT signaling cascade. Atiprimod dimaleate induces cell cycle arrest, promotes autophagy and apoptosis, and activates the PERK/eIF2α/ATF4/CHOP pathway to trigger ER stress-mediated apoptosis in cancer cells. This reagent is valuable for research related to breast cancer, pituitary adenoma, multiple myeloma, and acute myeloid leukemia (AML), and has shown promising anti-tumor activity in xenograft mouse models.

WP-1034 is a selective JAK-STAT inhibitor that exhibits pro-apoptotic and antileukemic properties, particularly in acute myeloid leukemia (AML) models. By blocking the activation of Stat 3 and Stat 5, WP-1034 effectively induces cell cycle arrest and triggers apoptosis in affected cells. This reagent is valuable for research focused on understanding the mechanisms and therapeutic avenues in AML.

AK-1690 is a potent and selective PROTAC degrader of STAT6. It reduces STAT6 protein levels in cells with a DC₅₀ of 1 nM and effectively depletes STAT6 in mouse tissues. AK-1690 is suitable for cancer research involving STAT6-driven pathways.

Zongertinib (BI 1810631) is a potent and selective tyrosine kinase inhibitor targeting HER2 and EGFR, with IC50 values of 13 nM and 579 nM, respectively. It exhibits significant antitumor activity and is being investigated for the treatment of multiple solid tumors, particularly those driven by HER2 alterations.

Icotrokinra (JNJ-77242113) is an orally available and selective antagonist of the interleukin-23 (IL-23) receptor. It potently inhibits IL-23-induced STAT3 phosphorylation in peripheral blood mononuclear cells (IC₅₀ = 5.6 pM) and suppresses IL-23-induced interferon-γ (IFN-γ) production in natural killer (NK) cells (IC₅₀ = 18.4 pM). Icotrokinra also demonstrates anti-inflammatory activity in a rat TNBS-induced colitis model. It is a promising therapeutic candidate for the study and treatment of inflammatory conditions such as psoriasis, psoriatic arthritis, and inflammatory bowel disease (IBD).

6-Demethoxytangeretin is a flavonoid compound isolated from *Citrus reticulata* with demonstrated anti-inflammatory and anti-allergic properties. It inhibits IL-6 production and the expression of related genes in human mast cells by modulating the ALK and MAPK signaling pathways. Additionally, 6-Demethoxytangeretin enhances CRE-mediated transcription in hippocampal neurons, indicating potential neuroregulatory effects.

Flonoltinib is a potent and orally active dual JAK2/FLT3 inhibitor with IC50 values of 0.7 nM for JAK2, 4 nM for FLT3, 26 nM for JAK1, and 39 nM for JAK3. It exhibits strong anti-cancer activity and is a promising candidate for the treatment of hematologic malignancies and other JAK/FLT3-driven cancers.

Iruplinalkib (WX-0593) is an orally active and selective ALK/ROS1 inhibitor that effectively blocks tyrosine autophosphorylation of ALK, mutant ALK, and EGFR, with IC50 values ranging from 5.38 to 16.74 nM. Additionally, it inhibits the transport activity of MATE1, MATE2K, P-gp, and BCRP. Iruplinalkib is under investigation for the treatment of non-small cell lung cancer (NSCLC).

Gondoic acid (cis-11-Eicosenoic acid) is a monounsaturated long-chain fatty acid found in various plant oils and nuts. It exhibits anti-inflammatory activity by reducing reactive oxygen species (ROS) production and inhibiting the PKCθ/ERK/STAT3 signaling pathway. Gondoic acid is also utilized as a raw material in medical applications and as a moisturizing agent in cosmetic formulations.

Mogrol, a biometabolite of mogrosides, exerts its biological activity by inhibiting the ERK1/2 and STAT3 signaling pathways, suppressing CREB activation, and activating AMPK signaling.

JG26 is a potent ADAM inhibitor with IC50 values of 12 nM for ADAM8, 1.9 nM for ADAM17, and 150 nM for ADAM10. It also inhibits MMP-12 with an IC50 of 9.4 nM. JG26 suppresses AngII-induced EGFR transactivation and ERK activation, upregulates ACE2 expression, inhibits CD23 shedding, and reduces SARS-CoV-2 infection. Additionally, JG26 demonstrates anti-metastatic effects in colorectal cancer and holds research potential in Hodgkin lymphoma and vascular diseases.

Sulforaphene, a natural compound isolated from radish seeds, exhibits an ED₅₀ of approximately 2 × 10⁻⁴ M against velvetleaf seedlings. It promotes apoptosis and inhibits migration in cancer cells by suppressing signaling pathways including EGFR, phosphorylated ERK1/2 (p-ERK1/2), and NF-κB.

Avitinib (Abivertinib) maleate is a third-generation, irreversible, and orally active selective EGFR inhibitor with IC50 values of 0.18 nM for both EGFR^L858R and EGFR^T790M, and 7.68 nM for wild-type EGFR. In addition to its EGFR-targeting activity, Avitinib maleate also inhibits BTK phosphorylation and induces apoptosis in mantle cell lymphoma models, demonstrating broad-spectrum anticancer efficacy.

JND3229 is a reversible EGFR C797S inhibitor with IC50 values of 5.8 nM for EGFR^L858R/T790M/C797S, 6.8 nM for EGFR^WT, and 30.5 nM for EGFR^L858R/T790M. It exhibits potent antiproliferative activity and effectively suppresses tumor growth in vivo, making it a valuable tool for cancer research, particularly in the context of non-small cell lung carcinoma.

Silevertinib (BDTX-1535, EGFR-IN-76) is an orally bioavailable, blood-brain barrier-permeable, and selective EGFR inhibitor with demonstrated antitumor activity. It has shown efficacy in preclinical models of non-small cell lung cancer (NSCLC), glioblastoma patient-derived tumors, and intracranial tumor models.

Befotertinib (D-0316) mesylate is an orally active EGFR tyrosine kinase inhibitor that suppresses tumor cell proliferation. It is primarily investigated for its potential in treating EGFR T790M-positive non-small cell lung cancer (NSCLC).

O-Desmethyl gefitinib is an active plasma metabolite of gefitinib, formed via CYP2D6-mediated metabolism. It retains EGFR inhibitory activity with an IC50 of 36 nM in subcellular assays.

MTX-531 is an orally active small molecule that inhibits EGFR (IC50 = 14.7 nM) and multiple PI3K isoforms, with IC50 values of 6.4 nM (PI3Kα), 233 nM (PI3Kβ), 8.3 nM (PI3Kγ), and 1.1 nM (PI3Kδ), demonstrating potent antitumor activity. Additionally, MTX-531 functions as a weak PPARγ agonist (IC50 = 2.5 µM), which may mitigate PI3K inhibitor-induced hyperglycemia.

Rezivertinib (BPI-7711) is an orally active, highly selective, and irreversible third-generation epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor (TKI). It is designed to potently target both common activating EGFR mutations and the resistance-associated T790M mutation, which is a frequent cause of acquired resistance to earlier-generation TKIs. Rezivertinib also demonstrates excellent central nervous system (CNS) penetration, making it effective against brain metastases in EGFR-mutant non-small cell lung cancer (NSCLC). With its strong antitumor activity and favorable pharmacokinetic profile, Rezivertinib is a promising candidate for the treatment of EGFR-mutant NSCLC, particularly in patients with CNS involvement or T790M-driven resistance.

Dacomitinib (PF-00299804) hydrate is an orally active, irreversible pan-ErbB inhibitor targeting EGFR, HER2, and HER4. It potently inhibits ErbB family signaling pathways, suppressing tumor proliferation and survival. Dacomitinib hydrate is a valuable agent for research into cancers, particularly metastatic non-small cell lung cancer (NSCLC), where it demonstrates efficacy in targeting EGFR-driven oncogenesis.

PP 3 (Compound 3) is an EGFR tyrosine kinase inhibitor with an IC50 of 2.7 μM. It targets the EGFR signaling pathway, which is critical for cell proliferation and survival in various cancers. PP 3 is a useful tool for research into EGFR-driven malignancies, such as non-small cell lung cancer and head and neck squamous cell carcinoma, enabling studies on tumor growth inhibition and potential therapeutic strategies.

JBJ-09-063 hydrochloride is a highly potent, mutant-selective allosteric inhibitor of epidermal growth factor receptor (EGFR), specifically designed to target both TKI-sensitive and TKI-resistant EGFR mutations. It exhibits exceptionally low IC₅₀ values of: * 0.147 nM for EGFR L858R * 0.063 nM for EGFR L858R/T790M * 0.083 nM for EGFR L858R/T790M/C797S * 0.396 nM for EGFR^LT/L747S JBJ-09-063 hydrochloride effectively suppresses phosphorylation of EGFR and downstream signaling components, including Akt and ERK1/2, thereby inhibiting oncogenic signaling pathways. Its robust efficacy across a range of EGFR mutation profiles—including triple mutants that are resistant to third-generation TKIs—makes it a promising candidate for research and development in the treatment of EGFR-mutant non-small cell lung cancer (NSCLC).

Isoprocurcumenol is a guaiane-type sesquiterpene isolated from *Curcuma comosa* with notable bioactivity in epidermal growth factor receptor (EGFR) signaling. It activates EGFR and enhances downstream phosphorylation of ERK and AKT, key mediators of cell survival and proliferation pathways. As a result, isoprocurcumenol promotes keratinocyte proliferation, suggesting potential applications in skin regeneration, wound healing, and dermatological research.

MS-39 is a highly potent and selective PROTAC degrader specifically engineered to target mutant forms of the epidermal growth factor receptor (EGFR). It is constructed by conjugating the EGFR inhibitor gefitinib to a von Hippel–Lindau (VHL) E3 ligase ligand via a tailored linker. MS-39 exhibits strong binding affinity and efficient degradation of mutant EGFR proteins, offering a promising strategy for overcoming resistance in EGFR-driven cancers. Its design enables targeted proteasomal degradation rather than mere kinase inhibition, providing a novel approach to cancer therapy.

SJ1008030 (compound 8) TFA is a selective JAK2-targeting PROTAC that promotes proteasomal degradation of Janus kinase 2 (JAK2). It exhibits potent antiproliferative activity in MHH–CALL-4 leukemia cells, with an IC₅₀ of 5.4 nM. By effectively eliminating JAK2 protein rather than merely inhibiting its activity, SJ1008030 TFA represents a promising therapeutic strategy for JAK2-driven hematologic malignancies, particularly in leukemia research.

MS9449 is a potent PROTAC-based degrader of the epidermal growth factor receptor (EGFR), exhibiting strong binding affinities with K\_d values of 17 nM for wild-type EGFR and 10 nM for the L858R mutant. It effectively induces degradation of mutant EGFR proteins via both the ubiquitin–proteasome system (UPS) and the autophagy–lysosome pathway, enabling dual-pathway clearance. MS9449 shows strong antiproliferative activity in non-small cell lung cancer (NSCLC) cells, making it a valuable compound for anticancer research, particularly in EGFR-driven tumors.

AJI-214 is a dual-target inhibitor that simultaneously inhibits Aurora kinase A and Janus kinase 2 (JAK2). It directly blocks Aurora A activity, disrupting T cell mitotic progression and polarity, while also inhibiting JAK2-mediated STAT3 phosphorylation, thereby suppressing the differentiation of pro-inflammatory TH1 and TH17 cells. AJI-214 holds therapeutic potential for modulating immune responses and is being investigated for the prevention and treatment of graft-versus-host disease (GVHD).