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Anti-GPX7/Glutathione Peroxidase 7抗体

产品信息
  • 产品名称 谷胱甘肽过氧化酶7抗体
    英文名称 Anti-GPX7/Glutathione Peroxidase 7抗体
    货号 XGK1648
    英文名称  Anti-GPX7/Glutathione Peroxidase 7
    中文名称  谷胱甘肽过氧化酶7抗体 
    别    名  CL683; FLJ14777; Glutathione peroxidase 7; GPx-7; GPX6; GPX7; GPX7_HUMAN; GSHPx-7; NPGPx.

    浓    度  1mg/1ml
    规 格  0.2ml/200μg
    抗体来源  Rabbit
    克隆类型  polyclonal
    交叉反应  Human, Mouse, Rat, Chicken, Cow, Rabbit, Monkey
    产品类型  一抗
    研究领域  细胞生物 信号转导 新陈代谢
    蛋白分子量  predicted molecular weight: 19kDa
    性    状  Lyophilized or Liquid
    免 疫 原  KLH conjugated synthetic peptide derived from human GPX7/Glutathione Peroxidase 7
    亚    型  IgG
    纯化方法  affinity purified by Protein A
    储 存 液  Preservative: 15mM Sodium Azide, Constituents: 1% BSA, 0.01M PBS, pH 7.4
    产品应用   WB=1:100-500  ELISA=1:500-1000  IHC-P=1:100-500  IHC-F=1:100-500  ICC=1:100-500  IF=1:100-500
    (石蜡切片需做抗原修复)
    not yet tested in other applications.
    optimal dilutions/concentrations should be determined by the end user.
    保存条件  Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
    Important Note  This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
    产品介绍 Glutathione peroxidase (GPx) enzymes are generally selenium-containing tetrameric glycoproteins that help prevent lipid peroxidation of cell membranes. GPx enzymes reduce lipid hydroperoxides to alcohols and reduce free hydrogen peroxide to water. GPx members are among the few proteins known in higher vertebrates to contain selenocysteine, which occurs at the active site of glutathione peroxidase and is coded by the nonsense (stop) codon TGA. There are eight GPx homologs (GPx-1–8). GPx-7 (glutathione peroxidase 7), also known as GPX6, CL683 or NPGPx, is a 187 amino acid secreted protein belonging to the glutathione peroxidase family. GPx-7 catalyzes the reaction of glutathione into glutathione disulfide and is encoded by a gene located on human chromosome 1, which spans 260 million base pairs, contains over 3,000 genes and comprises nearly 8% of the human genome.
    Function : It protects esophageal epithelia from hydrogen peroxide-induced oxidative stress. It suppresses acidic bile acid-induced reactive oxigen species (ROS) and protects against oxidative DNA damage and double-strand breaks.
    Subcellular Location : Secreted.
    Tissue Specificity : Expressed in esophageal epithelial cells; expression is up-regulated after exposure to acidic bile acids.
    DISEASE : Defects in GPX7 are a cause of Barrett esophagus (BE) [MIM:614266]. A condition characterized by a metaplastic change in which normal esophageal squamous epithelium is replaced by a columnar and intestinal-type epithelium. Patients with Barrett esophagus have an increased risk of esophageal adenocarcinoma. The main cause of Barrett esophagus is gastroesophageal reflux. The retrograde movement of acid and bile salts from the stomach into the esophagus causes prolonged injury to the esophageal epithelium and induces chronic esophagitis, which in turn is believed to trigger the pathologic changes. Note=The pathologic mechanisms leading to Barrett esophagus involve GPX7 dysfunction that results in higher levels of hydrogen peroxide and ROS-induced oxidative stress and DNA damage in esophageal cells.
    Similarity : Belongs to the glutathione peroxidase family.

    实验原理 :
    (1)特异性结合抗原:抗体本身不能直接溶解或杀伤带有特异抗原的靶细胞,通常需要补体或吞噬细胞等共同发挥效应以清除病原微生物或导致病理损伤。然而,抗体可通过与病毒或毒素的特异性结合,直接发挥中和病毒的作用。
    (2)活补体:IgM、IgG1、IgG2和IgG3可通过经典途径激活补体,凝聚的IgA、IgG4和IgE可通过替代途径激活补体。
    (3)结合细胞:不同类别的免疫球蛋白,可结合不同种的细胞,参与免疫应答。
    (4)可通过胎盘及粘膜:免疫球蛋白G(IgG)能通过胎盘进入胎儿血流中,使胎儿形成自然被动
    免疫。免疫球蛋白A(IgA)可通过消化道及呼吸道粘膜,是粘膜局部抗感染免疫的主要因素。
    (5)具有抗原性:抗体分子是一种蛋白质,也具有刺机体产生免疫应答的性能。不同的免疫球蛋白分子,各具有不同的抗原性。
    (6)抗体对理化因子的抵抗力与一般球蛋白相同:不耐热,60~70℃即被破坏。各种酶及能使蛋白质凝固变性的物质,均能破坏抗体的作用。抗体可被中性盐类沉淀。在生产上常可用硫酸铵或硫酸钠从免疫血清中沉淀出含有抗体的球蛋白,再经透析法将其纯化。

    抗体制备过程:
    1.材料与试剂
      a.提取的动物 Ig
      b.弗氏完全佐剂和弗氏不完全佐剂
      c.青霉素和链霉素
      d.实验动物 兔
      e.其它材料及试剂
    2、选择实验活体。
    3、进行动物免疫实验。
    4、试取血样进行测试,查看免疫效果。
    5、如果免疫成功,杀死实验活体,采集全部血清。
    6、纯化出抗体。
    7、鉴定抗体。胎牛血清(无菌采制)

    我司提供以下技术外包服务:
    1. Anti-GPX7/Glutathione Peroxidase 7抗体分子生物学:质粒抽提、PCR、Q-PCR、RT-PCR、分子生物学:基因合成、引物合成、基因测序、载体构建等
    2.蛋白工程:原核、哺乳动物蛋白表达系统等
    3.病毒包装:腺病毒、慢病毒等
    4.抗体工程:磁珠分选、病理染色、WB、ELISA、IP、IF、IHC、FACS、Confocal等等
    5.细胞工程:细胞表型分析(凋亡、增殖、周期、迁移、侵袭、修复、克隆形成)、细胞培养、细胞膜制备、稳定细胞株构建、细胞RNAi技术等等。

    抗体的鉴定:
    1)抗体的效价鉴定:鉴定效价的方法很多,包括有试管凝集反应,琼脂扩散试验,酶联免疫吸附试验等。常用的抗原所制备的抗体一般都有约成的鉴定效价的方法,以资比较。如制备抗抗体的效价,一般就采用琼脂扩散试验来鉴定。
    2)抗体的特异性鉴定:抗体的特异性是指与相应抗原或近似抗原物质的识别能力。抗体的特异性高,它的识别能力就强。衡量特异性通常以交叉反应率来表示。交叉反应率可用竞争YZ试验测定。以不同浓度抗原和近似抗原分别做竞争YZ曲线,计算各自的结合率,求出各自在IC50时的浓度,并按公式计算交叉反应率。
    3)真核翻译起始因子2C2抗体的亲和力:是指抗体和抗原结合的牢固程度。亲和力的高低是由抗原分子的大小,抗体分子的结合位点与抗原决定簇之间立体构型的合适度决定的。有助于维持抗原抗体复合物稳定的分子间力有氢键,疏水键,侧链相反电荷基因的库仑力,范德华力和空间斥力。亲和力常以亲和常数K表示,K的单位是L/mol。

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    SAP155 英文名称: 剪接体相关蛋白155抗体 0.1ml
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    ModifiedFreyMedium
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    改良MC培养基 250(g) incubation media 改良MC培养基 250(g)
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