p38 MAPK

Jujuboside B is a bioactive saponin component isolated from Ziziphi Spinosae Semen (sour jujube seed), with oral efficacy and blood-brain barrier permeability. Jujuboside B induces acute leukemia cell death and drives necroptosis apoptosis by activating the RIPK1/RIPK3/MLKL pathway. Jujuboside B upregulates the expression of NOXA, PARP and caspase-3, activates AMPK, inhibits the proliferation of breast cancer cells, and induces cell apoptosis and autophagy. Jujuboside B inhibits angiogenesis and tumor growth by blocking the VEGFR-2 signaling pathway. Jujuboside B alleviates liver injury in mice by regulating the Nrf2-STING signaling pathway. Jujuboside B alleviates liver injury by regulating anti-inflammatory responses and downregulating the expression of 11β-HSD2. Jujuboside B induces ferroptosis and overcomes radioresistance in non-small cell lung cancer via the PPARγ-ATF3-Gpx4 signaling pathway. Jujuboside B exerts inhibitory effects on platelet aggregation. Jujuboside B inhibits febrile seizures by suppressing the activity of AMPA receptors. Jujuboside B reverses chronic unpredictable mild stress-promoted tumor progression by blocking the PI3K/Akt and MAPK/ERK pathways and dephosphorylating CREB signaling. Jujuboside B is applicable to related studies on acute leukemia, breast cancer, PM_2.5-induced lung injury, hepatotoxicity, liver injury, colorectal cancer, non-small cell lung cancer, thromboembolic diseases, cardiovascular diseases associated with high platelet aggregation, febrile seizures, and depressive-like phenotypes.

Hordenine (Ordenina; Peyocactine) is a multifunctional alkaloid with oral activity and blood-brain barrier penetration. Hordenine inhibits LPS-induced phosphorylation of p38, JNK, ERK1/2, p65, IκB, and AKT, prevents p65 nuclear translocation, and suppresses inflammatory cytokines and mediators. Hordenine promotes M2 macrophage polarization, restores blood-milk barrier integrity, alleviates oxidative stress by reducing ROS and MDA, and attenuates LPS-induced lung injury and pulmonary edema. Hordenine inhibits cAMP production, CREB phosphorylation, and MITF expression, thereby suppressing melanin synthesis in melanocytes and reconstructed epidermis. Hordenine activates the Wnt/β-catenin signaling pathway, promotes dermal papilla cell proliferation and hair shaft elongation, and accelerates hair regeneration. Hordenine activates DRD2, acts as a D3R partial agonist, α2A-AR full agonist, and 5-HT2A-R antagonist, and inhibits SERT and DAT. Hordenine inhibits α-synuclein accumulation and ameliorates motor deficits in Parkinson's disease models. Hordenine limits alcohol intake, reduces relapse drinking behavior, and modulates alcohol-induced conditioned place preference. Hordenine can be used for research on mastitis, skin pigmentation, acute lung injury, foodborne diseases, hair loss, Parkinson's disease, bacterial infections, and alcohol use disorder.

Phellodendrine chloride is an orally active plant alkaloid. Phellodendrine chloride inhibits the proliferation of KRAS-mutated pancreatic cancer cells by suppressing macropinocytosis and glutamine metabolism, inducing ROS accumulation and mitochondrial apoptosis. Phellodendrine chloride promotes autophagy by activating the AMPK/mTOR pathway, alleviating intestinal damage in ulcerative colitis. Phellodendrine chloride can alleviate gouty arthritis by inhibiting the IL-6/STAT3 signaling pathway. Phellodendrine chloride suppresses allergic reactions by altering the conformation of MRGPRB3/MRGPRX2 protein, thereby inhibiting the activation of PKC and subsequent downstream MAPK and NF-κB signaling. Phellodendrine chloride inhibits the AKT/NF-κB pathway and down-regulates the expression of COX-2, thereby protecting zebrafish embryos from oxidative stress. Phellodendrine chloride has an anti-major depressive disorder (MDD) effect by down-regulating CHRM1, HTR1A, and the PI3K/Akt signaling pathway.

Lumretuzumab (Anti-Human ERBB3 Recombinant Antibody) is a humanized anti-HER3 (ERBB3) monoclonal antibody. Lumretuzumab effectively inhibits the activity of key oncogenic signaling pathways such as PI3K/AKT and MAPK. Lumretuzumab has been optimized through glycosyl engineering to enhance antibody-dependent cell-mediated cytotoxicity (ADCC). Lumretuzumab can be used to study HER3-positive, HER2-low-expressing solid tumors, especially breast cancer.

Gamma-glutamylcysteine TFA (γ-Glu-Cys TFA) is an orally active, blood-brain barrier permeable dipeptide. Gamma-glutamylcysteine TFA activates AMPK, SIRT1, IL-4/STAT6, AC/cAMP/PI3K, IGF-1R/IRS1/PI3K, and Nrf2 signaling pathways; it inhibits NF-κB, JAK1/STAT1/3, MAPKs, cadmium-induced p38 MAPK, JNK, and PI3K/Akt signaling pathways. Gamma-glutamylcysteine TFA regulates macrophage polarization, modulates the trafficking of CD36 and GLUT4, induces glutathione synthesis, improves metabolic dysfunction, reduces lipid deposition, ameliorates glucose homeostasis, inhibits apoptosis (Apoptosis), stabilizes mitochondria, suppresses lipid peroxidation, iron accumulation and ferroptosis (Ferroptosis), reduces ds-HMGB1 levels, reverses mechanical hyperalgesia, and alleviates hepatic lipid droplet formation. Gamma-glutamylcysteine TFA is applicable to research related to inflammatory bowel disease, type 2 diabetes, cadmium-induced neurotoxicity, Alzheimer's disease, cerebral ischemia/reperfusion injury, neuropathy, and alcoholic liver disease.

Lercanidipine is a third-generation, lipophilic, brain-penetrant, vascular-selective and orally active dihydropyridine-calcium channel blocker with a pIC₅₀ of 7.74 (converts from μM). Lercanidipine has long lasting antihypertensive action as well as reno- and neuro-protective effect. Lercanidipine also shows anti-oxidant, anti-inflammatory and anti-apoptotic properties. Lercanidipine can be used in cardiovascular and neurological research.

TriDAP dihydrochloride (L-Ala-γ-D-Glu-meso-diaminopimelic acid dihydrochloride) is a NOD1 agonist with a K_d value of 34.5 μM. TriDAP dihydrochloride enhances the binding of NOD1-RICK, promotes RICK phosphorylation, and activates the NF-κB, TAK1, MEK/ERK, p38 and interferon response pathways. TriDAP dihydrochloride downregulates Runx2 via increasing ubiquitination and reduces trabecular bone parameters. TriDAP dihydrochloride decreases IκBα levels and increases p65 levels. TriDAP dihydrochloride induces the secretion of proinflammatory mediators IL-8 and prostaglandins, triggers tissue inflammation and innate immune activation, and inhibits SARS-CoV-2 replication in lung epithelial cells. TriDAP dihydrochloride increases the RANKL/OPG ratio in mice, reduces bone mass and enhances osteoclast activity, and inhibits new bone formation by decreasing the mineralization deposition rate in mice. TriDAP dihydrochloride can be used in research related to pulpitis, chronic ulcerative colitis, Crohn's disease and SARS-CoV-2 infection.

Dehydrocorydaline chloride (13-Methylpalmatine chloride) is an alkaloid that regulates protein expression of Bax, Bcl-2; activates caspase-7, caspase-8, and inactivates PARP. Dehydrocorydaline chloride elevates p38 MAPK activation. Anti-inflammatory and anti-cancer activities. Dehydrocorydaline chloride shows strong anti-malarial effects (IC₅₀ =38 nM), and low cytotoxicity (cell viability > 90%) using P. falciparum 3D7 strain.

Ferulic acid methyl ester (Methyl ferulate) is a derivative of ferulic acid, isolated from Stemona tuberosa, with anti-inflammatory and antioxidant properties. Ferulic acid methyl ester is a cell membrane and brain permeable compound, shows free radical scavenging ability, used in the research of neurodegenerative disorders. Ferulic acid methyl ester inhibits COX-2 expression, blocks p-p38 and p-JNK in primary bone marrow derived-macrophages.

Oxatomide (KW-4354) is an orally active dual antagonist of the H1-histamine receptor and the P2X7 receptor, as well as an inhibitor of serotonin. Oxatomide possesses antihistaminic, antiallergic and anti-inflammatory activities. Oxatomide can be used in the research of allergic diseases.

Sesamolin, isolated from Sesamum indicum, has antioxidative activity, Sesamolin inhibits lipid peroxidation and shows neuroprotection effect. Sesamolinl potently inhibits MAPK cascades by preventing phosphorylation of JNK, p38 MAPKs, and caspase-3 but not ERK-MAPK expression. Sesamolin is orally active.

Cenupatide (UPARANT) is a uPAR and FPR antagonist with anti-angiogenic, anti-inflammatory, and vascular barrier regulatory activities, as well as high stability and resistance to enzymatic degradation in blood/plasma. Cenupatide blocks the uPAR-FPR interaction, reduces VEGF-induced phosphorylation levels of AKT, VEGFR-2, STAT3, JNK, p38 MAPK, ERK1/2, and NF-κB p65, and inhibits αvβ3 integrin activation. Cenupatide suppresses endothelial cell migration, invasion, tube formation, and angiogenic signaling pathways, restores tight junctions and blood-retinal barrier integrity, reduces pro-inflammatory marker levels, and inhibits apoptosis. Cenupatide reduces retinal neovascularization, renal fibrosis, and vascular leakage, and restores visual function in preclinical models. Cenupatide is applicable to research related to retinopathy, diabetic complications, ocular diseases, cancer, and inflammatory diseases.

Pamapimod (Ro4402257) is a potent, selective and orally active p38 MAPK inhibitor with IC₅₀s of 14 nM and 480 nM and K_is of 1.3 nM and 120 nM for p38α and p38β, respectively. Pamapimod has no activity against p38δ or p38γ isoforms. Pamapimod has the potential for rheumatoid arthritis and other autoimmune diseases treatment.

Fluazinam is an orally active dinitroaniline fungicide. Fluazinam induces phosphorylation of JNK, activates p38 pathway, decreases Bcl-2, activates caspase-3, decreases complex I activity, increases Autophagy and Apoptosis. Fluazinam has strong antifungal activity against F. fujikuroi and B. maydis. Fluazinam has a negative impact on Brachydanio rerio and worker bees.

Inotodiol activates p53 signaling pathway, inhibits MMP-2/9, and exhibits antitumor activity in cancer cell HeLa. Inotodiol inhibits the generation of ROS and exhibits antioxidant and neuroprotective effects. Inotodiol inhibits the activation of MAPK and NF-κB signaling pathway, and exhibits anti-inflammatory activity. Inotodiol inhibits TLR-4 mediated TNF-α production (IC₅₀s in BMMC and BMDM is 0.7 μM and 3.0 μM), inhibits the degranulation in mast cell, exhibits anti-allergic activity. Inotodiol is orally active.

Matairesinol is an orally active bioactive compound with anti-inflammatory, antioxidant and anticancer activities. Matairesinol inhibits the phosphorylation of MAPK, JNK and NF-κB, downregulates RANKL-induced NFATc1 expression and activity, and suppresses the activation of the PI3K/AKT/FOXO1 pathway. Matairesinol can be used in research related to sepsis-mediated brain injury, osteoporosis, heart failure, atopic dermatitis and cancer.

SHOC2-RAS PPI-IN-1 is a SHOC2-NRAS interaction inhibitor with IC₅₀ of 0.048 μM and a K_d of 0.065 μM for SHOC2. SHOC2-RAS PPI-IN-1 inhibits RAS/MAPK signalling and downregulates MEK and ERK phosphorylation. SHOC2-RAS PPI-IN-1 can inhibit cells proliferation in RAS-mutant cancer models. SHOC2-RAS PPI-IN-1 can be used for the research of RAS-mutant cancers.

Broussonin E is a phenolic compound and shows anti-inflammatory activity. Broussonin E can suppress inflammation by modulating macrophages activation statevia inhibiting the ERK and p38 MAPK and enhancing JAK2-STAT3 signaling pathway. Broussonin E can be used for the research of inflammation-related diseases such as atherosclerosis.

Norflurazon (SAN 9789) is a pre-emergence Herbicide. Norflurazon non-competitively inhibits phytoene desaturase by competing with the enzyme cofactor and disrupts carotenoid biosynthesis, thereby leading to chlorophyll photodegradation and chlorosis. Norflurazon inhibits MGDG synthase, CDP-choline phosphotransferase, Omega-3 FAD7 desaturase, and PG delta-3-trans desaturase, and activates LysoPC-acyltransferase and Omega-3 FAD3 desaturase. Norflurazon inhibits photosynthetic membrane organization, mitochondrial respiration, ATP production, PI3K signaling, and ERK1/2 phosphorylation. Norflurazon activates MAPK P38 phosphorylation and ER stress signaling. Norflurazon induces morphological malformations and cardiovascular effects in zebrafish embryos.

TA-02, an analog of SB 203580 (HY-10256), is a p38 MAPK inhibitor with an IC₅₀ of 20 nM. TA-02 especially inhibits TGFBR-2. TA-02 exhibits similar cardiogenic properties as SB 203580 and SB 202190 (HY-10295).