2. Signaling Pathways
  3. Immunology/Inflammation
    Metabolic Enzyme/Protease
    NF-κB
  4. Reactive Oxygen Species (ROS)

Reactive Oxygen Species (ROS)

Reactive Oxygen Species (ROS)

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Reactive oxygen species (ROS), such as superoxide anion (O2-), hydrogen peroxide (H2O2), and hydroxyl radical (HO•), consist of radical and non-radical oxygen species formed by the partial reduction of oxygen. Cellular ROS are generated endogenously during mitochondrial oxidative metabolism as well as in cellular response to xenobiotics, cytokines, and bacterial invasion.

ROS also activates MAPK pathways by the direct inhibition of MAPK phosphatases. Through PTEN, the PI3K pathway is subject to reversible redox regulation by ROS generated by growth factor stimulation. The activation of autophagy may be a cellular defense mechanism in response to ROS.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-19696B
    Tauroursodeoxycholate dihydrate
    		Inhibitor 99.96%
    Tauroursodeoxycholate dehydrate is an orally active taurine conjugate of Ursodeoxycholic acid (HY-13771). Tauroursodeoxycholate dehydrate inhibits caspase-3/7, Apoptosis, IRE1α/TRAF2/NF-κB, prevents JNK phosphorylation, inhibits ROS generation, and activates Akt signaling. Tauroursodeoxycholate dehydrate prevents cataract formation, reduces renal tubular damage in type 2 diabetic mice, reduces I/R injury in liver, and inhibits intestinal inflammation and barrier disruption in nonalcoholic fatty liver disease.
    Tauroursodeoxycholate dihydrate
  • HY-130015
    HKSOX-1 (5/6-mixture)
    		98.99%
    HKSOX-1 (5/6-mixture) is a fluorescent probe which is used for imaging and detection of endogenous superoxide in live cells and in vivo. HKSOX-1 (5/6-mixture) exhibits excellent selectivity and sensitivity towards superoxide anion radical (Ex/Em = 509/534 nm).
    HKSOX-1 (5/6-mixture)
  • HY-N1354
    Reynoutrin
    Reynoutrin (Quercetin-3-D-xyloside) is a flavonoid from Psidium cattleianum, with antioxidant and radical-scavenging activity.
    Reynoutrin
  • HY-18085R
    Quercetin (Standard)
    		Inhibitor
    Quercetin (Standard) is the analytical standard of Quercetin. This product is intended for research and analytical applications. Quercetin, a natural flavonoid, is a stimulator of recombinant SIRT1 and also a PI3K inhibitor with IC50 of 2.4 μM, 3.0 μM and 5.4 μM for PI3K γ, PI3K δ and PI3K β, respectively.
    Quercetin (Standard)
  • HY-W001583
    Manganese(salen) chloride
    		Inhibitor
    Manganese(salen) chloride (EUK-8), a superoxide dismutase and catalase mimetic, is an antioxidant with oxyradical scavenging properties. Manganese(salen) chloride ameliorates acute lung injury in endotoxemic swine.
    Manganese(salen) chloride
  • HY-N5063
    Plantainoside D
    		Inhibitor 99.92%
    Plantainoside D, a phenylethanoid glycosides, is a IKK-β inhibitor with diverse biological activities. Plantainoside D shows inhibitory activity of angiotensin-converting enzyme (ACE) with an IC50 of 2.17 mM. Plantainoside D significantly reduces the release of glutamate from nerve terminals in the cerebral cortex of rats by inhibiting the voltage-dependent calcium channel (VDCCs) and protein kinase C (PKC) signaling cascade. Plantainoside D significantly alleviates cell apoptosis by inhibiting the generation of ROS and the activation of NF-κB. Plantainoside D significantly improves acute lung injury (ALI) induced by sepsis by regulating the Sirt3/NLRP3 signaling pathway. Plantainoside D can be used for the study of neuroprotection, antioxidant, anti-inflammation, antihypertension.
    Plantainoside D
  • HY-W014423
    L-Histidine hydrochloride hydrate
    		Inhibitor ≥98.0%
    L-Histidine hydrochloride hydrate is an endogenous metabolite. L-Histidine hydrochloride hydrate scavenges hydroxyl radicals and singlet oxygen, regulate the absorption of zinc, copper and iron, exhibits anti-inflammatory and antioxidant activities. L-Histidine hydrochloride hydrate is blood brain barrier penetrable.
    L-Histidine hydrochloride hydrate
  • HY-12643
    Eprinomectin
    		98.02%
    Eprinomectin (MK-397) is a type of avermectin. Eprinomectin, as a broad-spectrum fungicide, has insecticidal, insecticidal and acaricidal activities. Eprinomectin induces apoptosis and autophagy in prostate cancer cells and has antitumor activity.
    Eprinomectin
  • HY-N6953
    Garcinone D
    		Activator 99.88%
    Garcinone D is an activator of the STAT3/Cyclin D1 and Nrf2/HO-1 pathways, and an inhibitor of CDK2/CyclinE1 (IC50 for CDK2/CyclinE1 is 28.23 μM). Garcinone D promotes neural stem cell proliferation by activating STAT3 phosphorylation and Cyclin D1 expression and enhancing the Nrf2/HO-1 signaling pathway. In addition, Garcinone D blocks the tumor cell cycle by inhibiting CDK2/CyclinE1. Garcinone D can promote the proliferation of C17.2 neural stem cells and inhibit prostate and breast cancer.
    Garcinone D
  • HY-Y1819
    2-Acetonaphthone
    		Activator 99.95%
    2-Acetonaphthone is a synthetic fragrance material. 2-Acetonaphthone increases ROS under UVA/sunlight, leading to endoplasmic reticulum stress and decreased mitochondrial membrane potential. 2-Acetonaphthone can be used as an adulterant in a variety of cosmetics. 2-Acetonaphthone can be used for the study of skin keratinization
    2-Acetonaphthone
  • HY-D1157
    HKPerox-2
    		99.79%
    HKPerox-2 is a highly sensitive green fluorescent probe for the specific detection of H2O2 in living cells with a maximum excitation wavelength and emission wavelength of 520 nm and 543 nm, respectively.
    HKPerox-2
  • HY-15930A
    TMB dihydrochloride
    		99.83%
    TMB dihydrochloride is the dihydrochloride form of TMB (HY-15930). TMB dihydrochloride is a non-toxic, non-mutagenic, colorless dye that is also used as a chromogenic agent in enzyme detection systems based on horseradish peroxidase (HRP). TMB dihydrochloride can function as a photoacoustic probe for reactive oxygen and nitrogen species (ROS/RNS), reacting with hypochlorite, hydrogen peroxide, singlet oxygen, and nitrogen dioxide to produce blue oxidation products. TMB dihydrochloride can detect the singlet oxygen produced by the outer membrane of Escherichia coli ATCC 25922.
    TMB dihydrochloride
  • HY-B0837
    Emamectin Benzoate
    		Activator 98.83%
    Emamectin Benzoate (MK-244) is an orally active nervoussystem toxicant by binding g-aminobutyric (GABA) receptor in insects. Emamectin Benzoate is one of semi-synthetic derivative of Avermectin (HY-15311) with a broadspectrum of insecticidal and acaricidal activity. Emamectin Benzoate induces ROS-mediated DNA damage and cell apoptosis. Emamectin Benzoate, a mixture of the natural Emamectin B1a benzoate and Emamectin B1b benzoate, has the main component of Emamectin B1a benzoate.
    Emamectin Benzoate
  • HY-114388
    QM385
    		Inducer 99.48%
    QM385 is a potent sepiapterin reductase (SPR) inhibitor with an IC50 of 1.49 nM, which blocks T-cell proliferation and autoimmunity at nanomolar potency and with good oral bioavailability.
    QM385
  • HY-N6018
    Beta-Eudesmol
    		Activator 99.49%
    Beta-Eudesmol has anticancer and anti-inflammatory activities. Beta-Eudesmol can induce apoptosis. Beta-Eudesmol is a neostigmine antagonist. Beta-Eudesmol can antagonize neostigmine-induced neuromuscular failure. Beta-Eudesmol can be used in the study of sepsis diseases. Beta-Eudesmol is a sesquiterpene-like compound that can be extracted from the rhizome of Atractylodes lancea.
    Beta-Eudesmol
  • HY-N3460
    Isorhoifolin
    		Inhibitor 99.13%
    Isorhoifolin is a flavonoid glycoside from Hemistepta lyrata. Isorhoifolin displays an anti-leakage effect.
    Isorhoifolin
  • HY-W012575
    2,4-Dihydroxybenzoic acid
    		Inhibitor 99.90%
    2,4-Dihydroxybenzoic acid is a degradation product of acid cherry anthocyanins during in vitro cell culture and an analogue of coenzyme Q precursor molecules. 2,4-Dihydroxybenzoic acid can improve the related symptoms of kidney diseases caused by ADCK4/Coq6 deficiency.
    2,4-Dihydroxybenzoic acid
  • HY-106591A
    4-Vinylcyclohexene dioxide
    		Activator ≥98.0%
    4-Vinylcyclohexene dioxide (4-Vinylcyclohexene diepoxide) is an orally active metabolite of 4-vinylcyclohexene. 4-Vinylcyclohexene dioxide induces Apoptosis, increases intracellular ROS, and activates the PI3K/Akt/mTOR pathway. 4-Vinylcyclohexene dioxide selectively damages small ovarian follicles, inhibits granulosa cell function, and disrupts the male reproductive system. 4-Vinylcyclohexene dioxide can be used in the study of premature ovarian insufficiency, reproductive toxicity, and related fertility disorders.
    4-Vinylcyclohexene dioxide
  • HY-135008
    J14
    		Activator 99.91%
    J14 is a reversible sulfiredoxin inhibitor with an IC50 of 8.1 μM. J14 induces oxidative stress (intracellular ROS accumulation) by inhibiting sulfiredoxin, leading to cytotoxicity and cancer cell death.
    J14
  • HY-N7493
    N-acetyldopamine
    		Inhibitor 99.23%
    N-acetyldopamine is a sepiapterin reductase inhibitor. N-acetyldopamine is a catecholamine that is used by insects as sclerotizing precursors to harden their cuticle. N-acetyldopamine can attenuate LPS-stimulated TNF-α production and superoxide production in THP-1 cells.
    N-acetyldopamine
Cat. No. Product Name / Synonyms Application Reactivity