h2o2

Spermidine (N-(3-Aminopropyl)-1,4-diaminobutane) inhibits NOS1 (nNOS). Spermidine binds and precipitates DNA and may be used for purification of DNA binding proteins. Spermidine activates PNK (polynucleotide kinase T4). Spermidine binds to and activates NMDA and has been shown to potentiate NMDA-induced currents in a concentration-dependent manner.

1. Oxyresveratro can inhibit tyrosinase activity. 2. Oxyresveratro is useful to trauma models, as toxicity to glia could be beneficial by inhibiting reactive gliosis. 3. Oxyresveratrol (trans-Oxyresveratrol) has antioxidant activity, can reduce neuronal oxidative damage and protect hepatocytes against oxidative stress and mitochondrial dysfunction, which may be associated with activation of Nrf2.

Catalase is an essential enzyme in the metabolism of H2O2 and reactive oxygen species (ROS). The expression and localization of Catalase are markedly altered in tumors.

2,5-dimethoxycyclohexa-2,5-diene-1,4-dio (Thermophillin) is a natural product. The redox cycle of 2,5-dimethoxybenzoquinone is a source of reducing equivalent for the regeneration of Fe2+ and H2O2 in brown rot fungal decay of wood.

3,4-Dimethoxybenzyl alcohol is a secondary metabolite of lignin-degrading fungi and is commonly used as a non-phenolic substrate to measure ligninolytic activity.Veratryl alcohol protects lignin peroxidase (LiP) from inactivation by H2O2 and prevents accumulation of LiP III compounds[3].

Spermidine trihydrochloride (4-Azaoctamethylenediamine trihydrochloride), a natural polyamine, is a novel autophagy inducer and negatively modulates N-methyl-d-aspartate (NMDA).

Phillyrin (Forsythin) is a novel AMPK activator, has anti-obesity effects in nutritive obesity mice, it can prevent lipid accumulation in HepG2 cells by blocking the expression of SREBP-1c and FAS through LKB1 AMPK activation. Phillyrin(Forsythin) may be a new preventive agent of acute lung injury in the clinical setting, it potentially contributes to the suppression of the activation of MAPK and NF-κB pathways, it also has protective effects on H2O2-induced oxidative stress and apoptosis in PC12 cells.

Vulpinic Acid (Pulvinic acid methyl ester) is a lichen metabolite with anti-inflammatory, antibacteria, properties, plant growth inhibitor.

Hederagenin-28-beta-D-glucopyranoside, a triterpenoid saponin isolated from Ilex cornuta, protects against H2O2-induced damage in cardiomyocytes.

Paeonilactone B ((+)-Paeonilactone B), a monoterpenoid from Paeonilactone, has neuroprotective activity, inhibits oxidative stress, and suppresses H2O2-induced neurotoxicity in rat cortical cells.

Ophiopogonanone A has oxygen free radicals(OFRs) scavenging effects, it can scavenge hydroxyl radical(·OH) and hydrogen peroxide(H2O2) in vitro.

(+)-Syringaresinol shows antioxidant potential, it exhibits cytoprotective activity in cultured MCF-7 cells stressed by H2O2.

11-oxo-mogroside V (11-oxo Mogroside V) is a sweet tasting cucurbitane glycoside derivative of mogroside V. It has antioxidant effects against both O2- and OH- and prevents OH-induced DNA damage.

1. Curculigoside (Curculigoside A) can prevent bone loss , improve osteogenesis and inhibit osteoclastogenesis of hAFSCs, suggesting its potential use to regulate hAFSC osteogenic differentiation for treating bone disorders. 2. Curculigoside can promote calcium deposition and increase the levels of ALP and Runx2 in osteoblasts under oxidative stress via anti-oxidative character. 3. Curculigoside possesses potent antioxidant properties against oxidative stress insults. can protect endothelial cells against oxidative injury induced by H2O2, suggesting that this compound may constitute a promising intervention against cardiovascular disorders.

(-)-Butin (Butin) has antioxidant activity, can protect cells against H2O2-induced apoptosis, oxidative DNA damage and oxidative mitochondrial dysfunction; it attenuates oxidative stress by activating Nrf2-mediated Mn SOD induction via the PI3K Akt signaling pathway.

Scutebarbatine A shows significant antitumor effects on A549 cells in vivo and in vitro via mitochondria-mediated apoptosis by up-regulating expressions of caspase-3 and 9, and down-regulating Bcl-2. Scutebarbatine A and barbatine A show a significant ability to protect cells against H2O2 with ED50 values of 5.0 and 16.8 μM, respectively.

Kahweol Acetate is a semi-synthetic derivative of kahweol, a natural product found in coffee beans. It exhibits a wide variety of biological activities, including inhibiting RANKL-induced osteoclast generation, inducing cell cycle arrest and apoptosis in oral squamous cell carcinoma cells, preventing aflatoxin B1 induced DNA adduct formation, and suppressing H2O2-induced DNA damage and oxidative stress.

Vitexin2''-O-p-trans-coumarate, a flavonoid derived from the ethyl acetate-soluble fraction of the ethanol extract of Trigonella foenum-graecum seeds, notably enhances the proliferation of 2BS cells in the presence of H2O2 [1].

Kahweol stearate is a semi-synthetic derivative of kahweol, a natural product found in coffee beans. It exhibits a wide variety of biological activities, including inhibiting RANKL-induced osteoclast generation, inducing cell cycle arrest and apoptosis in oral squamous cell carcinoma cells, preventing aflatoxin B1-induced DNA adduct formation, and suppressing H2O2-induced DNA damage and oxidative stress.

1. Sesamolin and Sesamin has neuroprotective effect. 2. Sesamolin protects microglia against H2O2-induced cell injury, by inhibiting of p38 MAPK and caspase-3 activation and ROS production. 3. Sesamolin and Sesamin can significantly attenuate the excess g

Dihydroconiferyl alcohol is a natural lignan that promotes the growth of soybean healing tissues and exhibits cytoprotective activity with antioxidant effects in MCF-7 cells cultured under H2O2 stress.

Vitexin-2 -O-rhamnoside (Apigenin-8-C-glucoside) is a compound contributes to the protection against H O -mediated oxidative stress damage.

1. Farrerol has antioxidative activity.2. Farrerol modulates TAP and BNBD5 gene expression in mammary gland, enhances bMEC defense against S. aureus infection and could be useful in protection against bovine mastitis. 3. Farrerol inactivates KEAP-1 or act

Jionoside A1 is isolated and purified from the roots of Rehmannia glutinosa. It displays dose-dependent immune-enhancement activity and possesses moderate neuroprotective activities on H2O2-treated SH-SY5Y cells.