Reactive Oxygen Species

Reactive Oxygen Species(活性氧)

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.

Reactive Oxygen Species 相关产品(453)

  • GC19193 structure
    GC19193HTHQ
    CAS: 148081-72-5
    纯度: >99.50%

    An antioxidant

  • GC19377 structure
    GC19377Visomitin
    CAS: 934826-68-3
    纯度: >98.00% / >97.00%

    A mitochondrial antioxidant

  • GC19457 structure
    GC19457Trolox
    CAS: 53188-07-1
    纯度: >98.00%

    Vitamin E derivative with antioxidant properties

  • GC19496 structure
    GC19496AAPH
    CAS: 2997-92-4
    纯度: >99.00%

    A water-soluble azo compound used as a free radical generator

  • GC19759 structure
    GC19759Mesotrione
    CAS: 104206-82-8
    纯度: >98.00%

    甲基磺草酮是一种除草剂,属于苯甲酰环己二酮家族。

  • GC19762 structure
    GC19762Capsanthin (75%)
    CAS: 465-42-9
    纯度: >75.00%

    A carotenoid with diverse biological activities

  • GC19765 structure
    GC19765Norbergenin
    CAS: 79595-97-4
    纯度: >98.00%

    Norbergenin 是 bergenin 的 O-去甲基衍生物,具有中等的抗氧化活性(在 DPPH 自由基清除中 IC50 为 13 μM;在超氧阴离子清除中为 32 μM)。

  • GC19819 structure
    GC19819Ermanin
    CAS: 20869-95-8

    Ermanin 是一种从 Tanacetum microphyllum 中分离出来的类黄酮。

  • GC20007 structure
    GC20007Ginsenoside CK
    CAS: 39262-14-1
    纯度: >98.00%

    Ginsenoside CK,一种由主要人参皂苷化合物转化而来的次级人参皂苷,比其母体人参皂苷具有更高的生物利用度和溶解性,具有极其重要的意义。

  • GC20091 structure
    GC20091α-Arbutin
    CAS: 84380-01-8
    纯度: >99.00%

    A glycosylated hydroquinone with diverse biological activities

  • GC20095 structure
    GC200955,7-Dihydroxy-4-methylcoumarin
    CAS: 2107-76-8

    A synthetic coumarin with diverse biological activities

  • GC30006 structure
    GC30006H2DCFDA (DCFH-DA)
    CAS: 4091-99-0
    纯度: >97.00%

    H2DCFDA(DCFH-DA)是一种氧化还原敏感的荧光探针,可用于测量细胞内活性氧水平。

  • GC30033 structure
    GC30033Sinapine thiocyanate
    CAS: 7431-77-8
    纯度: >99.00%

    Sinapine thiocyanate is the thiocyanate salt form of Sinapine, which shows favorable biological activities such as antioxidant and radio-protective activities.

  • GC30046 structure
    GC30046Methoxy-PMS (1-Methoxy PMS)
    CAS: 65162-13-2
    纯度: >98.00% / >99.00% / >97.00%

    Methoxy-PMS (1-Methoxy PMS)是一种合成电子传递体,广泛用于脱氢酶活性检测等生化分析。其作为氧化还原介体,促进NAD(P)H与四唑盐之间的电子转移以生成可检测的甲臜产物。Methoxy-PMS(C₁₄H₁₃N₂O₄S)是吩嗪硫酸甲酯(PMS)的甲氧基修饰衍生物,其吩嗪环上的甲氧基显著提升了稳定性和溶解度,增强了光稳定性及水溶性,使其适用于长时间酶反应、高通量筛选以及体外实验中的高效氧化还原循环。

  • GC30067 structure
    GC30067Butylhydroxyanisole (Butylated hydroxyanisole)
    CAS: 25013-16-5
    纯度: >99.00%

    丁基羟基茴香醚(Butylated hydroxyanisole)(Butylated hydroxyanisole)是一种抗氧化剂,用作食品添加剂防腐剂。

  • GC30080 structure
    GC30080Phillygenin (Phillygenol)
    CAS: 487-39-8
    纯度: >98.00%

    A lignan with diverse biological activities

  • GC30263 structure
    GC30263Glucosamine (D-Glucosamine)
    CAS: 3416-24-8
    纯度: >98.00%

    Glucosamine (2-amino-2-deoxy-D-glucose) is an amino sugar and a prominent precursor in the biochemical synthesis of glycosylated proteins and lipids. It is commonly used as a treatment for osteoarthritis. Glucosamine(GS) treatment selectively downregulates HIF-1α at the protein level in YD-8 cells via interference of production of the citric acid cycle metabolites.

  • GC30416 structure
    GC30416Mitoquinone (MitoQ)
    CAS: 444890-41-9
    纯度: >98.00%

    Mitoquinone (MitoQ) 是一种泛醌衍生的抗氧化剂,可以共价连接到亲脂性三苯基膦 (TPP) 阳离子上,专门针对线粒体。

  • GC30495 structure
    GC30495Canthaxanthin (E 161g)
    CAS: 514-78-3
    纯度: >99.00%

    Canthaxanthin (E 161g)是一种橙红色的类胡萝卜素,具有抗氧化、抗肿瘤等多种生物活性。

  • GC30500 structure
    GC30500Melittoside
    CAS: 19467-03-9
    纯度: >99.00%

    An iridoid glycoside

  • GC30532 structure
    GC30532Sulcotrione
    CAS: 99105-77-8
    纯度: >99.00%

    Sulcotrione是β-三酮除草剂,可以抑制羟基苯基丙酮酸双加氧酶(HPPD)。

  • GC31272 structure
    GC31272Isosteviol ((-)-Isosteviol)
    CAS: 27975-19-5
    纯度: >98.00%

    Isosteviol (ISV) is mainly obtained by acid hydrolysis of stevioside, the sweet food additive extracted from the plant Stevia Rebaudiana Bertoni (Bertoni). It possesses various biological activities including anti-hyperglycemic, anti-hypertensive, anti-tumor, anti-inflammatory, and antioxidant effects.

  • GC31290 structure
    GC312903-Indolepropionic acid
    CAS: 830-96-6
    纯度: >99.50%

    A bacterial metabolite with antioxidant and neuroprotective activities

  • GC31292 structure
    GC31292Mitoquinone mesylate (Mitoquinone methanesulfonate)
    CAS: 845959-50-4
    纯度: >98.00%

    Mitoquinone mesylate(Mitoquinone methanesulfonate)是广泛使用的靶向线粒体的抗氧化剂之一。