Reactive Oxygen Species (ROS) Inducer

Tolcapone (Ro 40-7592) is a selective, potent and orally active COMT inhibitor with an IC₅₀of 773 nM. Tolcapone can inhibits α-syn and Aβ₄₂ oligomerization and fibrillogenesis. Tolcapone can cause oxidative stress and induce cancer cells apoptosis and ROS production. Tolcapone can be used for the researches of cancer and neurological disease, such as Parkinson disease and neuroblastoma.

Isoacteoside is a natural product that can significantly inhibit the formation of glycation end products. Isoacteoside regulates the AKT/PI3K/m-TOR/NF-κB signaling pathway, induces apoptosis in OVCAR-3 cell. Isoacteoside exhibits antitumor, anti-inflammatory, anti-obesity and neuroprotective activities.

Xanthine oxidase, bovine milk is a xanthine oxidoreductase enzyme that generates reactive oxygen species (ROS), catalyzes the oxidation of hypoxanthine to xanthine, and further catalyzes the oxidation of xanthine to uric acid.

Chicoric acid (Cichoric acid), an orally active dicaffeyltartaric acid, induces reactive oxygen species (ROS) generation. Chicoric acid inhibits cell viability and induces mitochondria-dependent apoptosis in 3T3-L1 preadipocytes through ROS-mediated PI3K/Akt and MAPK signaling pathways. Chicoric acid increases glucose uptake, improves insulin resistance, and attenuates glucosamine-induced inflammation. Chicoric acid has antidiabetic properties and antioxidant, anti-inflammatory effects.

Necrocide 1, a necrosis by sodium overload (NECSO) inducer, is a selective transient receptor potential melastatin 4 (TRPM4) agonist with an EC₅₀ of 306.3 nM for human TRPM4. Necrocide 1 triggers TRPM4-dependent necrotic cell death through the induction of sodium influx. Necrocide 1 induces hallmarks of immunogenic cell death incurring calreticulin (CALR) exposure, ATP secretion and high mobility group box 1 (HMGB1) release. Necrocide 1 can be used for the study of breast and prostate cancer.

Copper sulfate pentahydrate, for cell culture, 98% is a biochemical reagent. Copper sulfate pentahydrate, for cell culture, 98% reduces the production of ROS and the expression levels of MyD88 as well as c-Rel genes. Copper sulfate pentahydrate, for cell culture, 98% decreases the activities of T-SOD, CAT, and GSH, increases the activities of caspase-3, caspase-8, and caspase-9. Copper sulfate pentahydrate, for cell culture, 98% is cytotoxic to various cells.

Buspirone is an orally active 5-HT1A receptor agonist, and a dopamine D2 autoreceptorsant antagonist. Buspirone is an anxiolytic agent, and can be used for the generalized anxiety disorder research.

Dimethyl itaconate induces innate immune memory (trained immunity), and exhibits immunomodulatory property. Dimethyl itaconate inhibits the activation of microglia, reduces the neuroinflammation and synaptic structural damage. Dimethyl itaconate regulates the composition of intestinal flora.

MRT68921 dihydrochloride is a potent NUAK1/ULK1 dual inhibitor. MRT68921 dihydrochloride inhibits ULK1 and ULK2 with IC₅₀ values of 2.9 nM and 1.1 nM, respectively. MRT68921 dihydrochloride can block cells autophagy and kill tumor cells by breaking the balance of oxidative stress signals. MRT68921 dihydrochloride can inhibit cell proliferation and induce ROS production and apoptosis. MRT68921 dihydrochloride can be used for the research of cancer, such as breast cancer.

Ciprofloxacin (Bay-09867) hydrochloride monohydrate is an orally active, blood-brain barrier permeable fluoroquinolone antibacterial agent. Ciprofloxacin hydrochloride monohydrate exerts bactericidal effects primarily by inhibiting topoisomerase II and IV. Ciprofloxacin hydrochloride monohydrate inhibits the proliferation of human dental pulp stem cells and chondrocytes from young rats, and also activates the Akt signaling pathway and upregulates markers such as β-catenin and Nanog to maintain the morphological characteristics of stem cells. Ciprofloxacin hydrochloride monohydrate induces significant neurotoxicity and tissue damage, including reducing serotonin and glutathione levels in the brain, inducing oxidative stress and depression-like behaviors, and causing articular cartilage damage. Ciprofloxacin hydrochloride monohydrate can be applied to research related to infections of necrotic young permanent teeth and neurotoxicity.

Erenapursta (E3330) is a direct, orally active and selective inhibitor of Ape-1 (apurinic/apyrimidinic endonuclease 1)/Ref-1 (redox factor-1) redox. Erenapursta is able to impair tumor growth and blocks the activity of NF-κB, AP-1, and HIF-1α in pancreatic cancer. Erenapursta shows anticancer activities.

Daphnetin (7,8-dihydroxycoumarin), one coumarin derivative can be found in plants of the Genus Daphne, is a potent, oral active protein kinase inhibitor, with IC₅₀s of 7.67 μM, 9.33 μM and 25.01 μM for EGFR, PKA and PKC in vitro, respectively. Daphnetin triggers ROS-induced cell apoptosis and induces cytoprotective autophagy by modulating the AMPK/Akt/mTOR pathway. Daphnetin has anti-inflammation activitity and inhibits TNF-α, IL-1β, ROS, and MDA production. Daphnetin has schizontocidal activity against malaria parasites. Daphnetin can be used for rheumatoid arthritis , cancer and anti-malarian research.

GO-203 TFA is a potent MUC1-C oncoprotein inhibitor. GO-203 TFA is an all D-amino acid peptide that consists of a poly-R transduction domain linked to a CQCRRKN motif that binds to the MUC1-C cytoplasmic tail and blocks MUC1-C homodimerization. GO-203 TFA downregulates TIGAR (TP53-induced glycolysis and apoptosis regulator) protein synthesis by inhibiting the PI3K-AKT-S6K1 pathway. GO-203 TFA induces the production of ROS and loss of mitochondrial transmembrane potential. GO-203 TFA inhibits the growth of colon cancer cells in vitro and as xenografts in nude mice.

Azoramide is a potent, orally active small-molecule modulator of the unfolded protein response (UPR). Azoramide improves ER protein folding and elevates ER chaperone capacity, which together protects cells against ER stress. Azoramide alleviates PLA2G6 mutant-induced ER stress through modulating unfolded protein response, and enhances the CERB signaling to rescue mitochondrial function, thereby preventing apoptosis of DA neurons. Azoramide has antidiabetic activity.

Dendrobine is an alkaloid isolated from Dendrobium nobile. Dendrobine possesses antiviral activity against influenza A viruses, with IC₅₀s of 3.39 μM, 2.16 μM and 5.32 μM for A/FM-1/1/47 (H1N1), A/Puerto Rico/8/34 H274Y (H1N1) and A/Aichi/2/68 (H3N2), respectively. Dendrobine activates the JNK/p38/Nrf2 signaling pathway. Dendrobine exhibits antiviral, antitumor, anti-inflammatory, and neuroprotective properties.

CL097, a potent TLR7 and TLR8 agonist, induces pro-inflammatory cytokines in macrophages. CL097 induces NADPH oxidase priming, resulting in an increase of the fMLF-stimulated ROS production.

Solasonine is a ferroptosis inducer which can be isolated from Solanum melongena that has anti-infection, anti-cancer, and neurogenesis promoting properties. Solasonine promotes ferroptosis of HCC cells via destruction of the glutathione redox system induced by inhibiting GPX4, and can be used for cancer research.

Periplogenin is an orally active cardiac glycoside found in Cortex periplocae. Periplogenin can induce ROS production and necroptosis and cause G0/G1 phase arrest. Periplogenin can inhibit pyroptosis by regulating the NLRP3/Caspase-1/GSDMD signaling. Periplogenin suppresses growth of prostate carcinoma cells by docking to an ATP1A1 protein pocket and forming a hydrogen bond with T804. Periplogenin can be used for the researches of cancer, inflammation and immunology, such as prostate carcinoma, rheumatoid arthritis and psoriasis.

Glutamic acid sodium salt (Monosodium glutamate) is an orally active food flavor enhancer. Glutamic acid sodium salt causes ROS generation, mitochondrial dysfunction, and Apoptosis. Glutamic acid sodium salt upregulates CHOP, Grp78, and Bcl-2. Glutamic acid sodium salt impairs cognition, induces depressive-like behavior, induces hyperalgesia, and induces obesity and insulin resistance. Glutamic acid sodium salt can be used to study neurotoxicity (e.g., brain damage, cognitive impairment), metabolic disorders (e.g., obesity, insulin resistance), hepatotoxicity, and renal toxicity, as well as pain-related disorders.

Ferumoxytol is an FDA-approved ultrasmall superparamagnetic iron oxide preparation and iron replacement agent that exerts selective activity against leukemia cells with low ferroportin expression. Ferumoxytol increases intracellular iron levels, induces reactive oxygen species (ROS) production via the Fenton reaction, and triggers oxidative stress and cell death. Ferumoxytol reduces disease burden in mouse models and patient-derived leukemia models. As an MRI contrast agent, Ferumoxytol enables imaging of vascular lesions, tumors and lymph nodes. Ferumoxytol can be used in research related to acute myeloid leukemia and blast-phase chronic myeloid leukemia.