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Arthus Biosystems阿图斯生物产品介绍【代理商购买代购现货】188bio精品生物—专注于实验室精品爆款的电商平台 - 蚂蚁淘旗下精选188款生物医学科研用品
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阿图斯生物系统公司很高兴提供一系列研究试剂和试剂盒,以帮助开展有关甲硫氨酸循环的科学研究,甲硫氨酸循环是所有生物进化过程中保存的关键生物化学途径。我们的SAM和SAH单克隆抗体具有非常高的滴度和亲和力,使您只需一瓶即可完成大部分研究。目前为止,我们的抗SAM和SAH抗体都具有最好的敏感性。我们还提供经过验证的SAM和SAH偶联物与示踪剂分子(如生物素和地高辛),以帮助您研究生物分子与生物分子的相互作用并开发进一步的分析。


SAM分子

必要的化学品

S-Adenosylmethionine(SAM-e,SAMe,SAM,AdoMet,ademetionine)于1952年由GLCantoni在意大利发现。它由三磷酸腺苷(ATP)和蛋氨酸甲硫氨酸腺苷甲基转移酶制成。S-腺苷甲硫氨酸是大多数活生物体中的关键代谢物。它通过脱羧作用发挥重要的甲基转移,硫代转移和氨基丙基化作用。

由于SAM是一种本质上不稳定的分子,并且其最大光密度为258-260nm不是一个明显的吸收,因此测定其在各种生物体液和组织中的浓度一直是一个具有挑战性的任务。一种简单,方便的方法,不需要昂贵的仪器(LC,MS和组合),对于确定SAM的生物浓度以及监测其在体液,组织和细胞器中的变化和代谢路径来说是明显需要的。

据称,SAM-e有助于下列情况:抑郁症,帕金森病,骨关节炎症状,肝病,肝内胆汁淤积症(特别是妊娠),纤维肌痛,艾滋病相关脊髓病(与艾滋病相关的脊柱和神经疾病)。SAMe在以下病症中的作用也受到限制:注意缺陷多动障碍(ADHD),经前综合征(PMS),经前烦躁症(PMDD),慢性疲劳综合征(CFS),心脏病,缺陷型智力障碍多发性硬化,痴呆,阿尔茨海默氏病,腱炎,滑囊炎,脊髓损伤,癫痫发作,偏头痛,慢性腰背痛,铅中毒和衰老。

这些日子当SAM被用作营养补充品时,了解其影响和后果也是至关重要的。它已被广泛用作治疗抑郁症,骨关节炎等系统的药物。


甲基化

甲基化几乎涉及生活的各个方面。SAM是DNA,RNA,蛋白质,脂质,磷脂,激素和神经递质中各种甲基转移反应的唯一甲基供体。适当的DNA甲基化对于正常的胚胎发育是必不可少的。然而,当甲基转移酶基因被纯合缺失时,它是致命的。

已经在许多肿瘤中发现DNA被不正确地甲基化。DNA甲基化模式的改变诱导癌基因的表达或沉默肿瘤抑制基因的表达。缺乏甲基的饮食促进啮齿类动物的肝癌。


重要的过程

DNA甲基化导致基因组受限制酶的保护。SAM通过结合嵌入在某些mRNA的非编码区内的结构域来控制基因表达。SAM在生产必需的生物分子中提供甲基,包括:

  • 乙酰-L-肉碱:神经营养素和膜运输剂

  • 肾上腺素和肾上腺素:内源性儿茶酚胺,应激激素和神经递质

  • 磷脂酰胆碱:最重要的膜磷脂

  • 肉碱:肥胖的燃烧器

  • 磷酸肌酸:主要的ATP储存

  • 褪黑素:昼夜节律调节剂

SAM是细胞生长和修复所必需的。它还涉及影响情绪的几种激素和神经递质的生物合成,如肾上腺素。甲基转移酶也负责将甲基添加到信使RNA中5'帽旁边的第一个和第二个核苷酸的2'羟基


转硫

硫代转移从S-腺苷高半胱氨酸或SAH开始,SAH是S-腺苷甲硫氨酸(SAM)残基结构,将甲基转移出SAM。SAH的水解产生高半胱氨酸。这转换成胱硫醚,半胱氨酸,最后转化为谷胱甘肽,肝细胞抗氧化剂和拯救生命的解毒剂。由于膳食半胱氨酸含量低,并且高达80%的膳食半胱氨酸通过胃肠道失去其巯基,SAM是半胱氨酸的主要来源,谷胱甘肽的组成部分。作为一种抗氧化剂,它可以保护身体免受人体内活性氧分子的伤害。这些活性氧分子可以来自体内或环境污染,被认为在衰老过程和退行性疾病的发展中发挥作用。一般来说,


氨基丙基

氨基丙基化是SAM通过脱羧(脱羧酶)引发的另一个过程。然后脱羧的SAM与腐胺偶联生成对细胞生长,分化和DNA和RNA稳定性至关重要的亚精胺和精胺。此外,甲基硫代腺苷(MTA)是多胺合成的副产物,是一种强效的镇痛和抗炎剂。这可能至少部分是由SAMe治疗骨关节炎,类风湿性关节炎和纤维肌痛所引起的临床益处的原因。

CatalogNo.NameDescriptionPackagingPrice*Datasheet
ImmunoassayKitsandStrips
FK00201SAMFCM1S-adenosylmethionineFCMkitwithAlexaFluor®647100tests$880
Download
FK00202SAMFCM2S-adenosylmethionineFCMkitwithPhycoerythrin(PE)20tests$420Download
FK00301SAHFCM1S-adenosylhomocysteineFCMkitwithAlexaFluor®48860tests$990Download
FK00302SAHFCM2S-adenosylhomocysteineFCMkitwithAlexaFluor®48820tests$420Download
IK00201SAMELISAS-adenosylmethionineELISAkit96tests$649Download
IK00201sSAMELISAsS-adenosylmethionineELISAkitforplasma,serum,ortissue/cellhomogenatesamples96tests$849Download
IK00301SAHELISAS-adenosylhomocysteineELISAkit96tests$1049Download
IK00301sSAHELISAsS-adenosylhomocysteineELISAkitforplasma,serum,ortissue/cellhomogenatesamples96tests$1249Download
IK00202SAMELISA2S-adenosylmethionineELISAkit,broadrange96tests$699Download
IK00202sSAMELISA2sS-adenosylmethionineELISAkitforplasma,serum,ortissue/cellhomogenatesamples,broadrange96tests$899Download
IK00302SAHELISA2S-adenosylhomocysteineELISAkit,broadrange96tests$1099Download
IK00302sSAHELISA2sS-adenosylhomocysteineELISAkitforplasma,serum,ortissue/cellhomogenatesamples,broadrange96tests$1299Download
IK00203SAMELISA3S-adenosylmethionineELISAkit,broadrange48tests$399Download
IK00203sSAMELISA3sS-adenosylmethionineELISAkitforplasma,serum,ortissue/cellhomogenatesamples,broadrange48tests$499Download
IK00303SAHELISA3S-adenosylhomocysteineELISAkit,broadrange48tests$599Download
IK00303sSAHELISA3sS-adenosylhomocysteineELISAkitforplasma,serum,ortissue/cellhomogenatesamples,broadrange48tests$699Download
IK00401MATActivityAssayMethionineAdenosyltransferase(MAT)activityassaykit96tests$749Download
IK00403MATActivityAssay3MethionineAdenosyltransferase(MAT)activityassaykit48tests$419Download
DIA00101DryImmunofluorescenceAnalyzer(DIA)Quantitativeteststripfluorescenceanalyzer.Instrumentrentalisavailableat$300/15daysplusshipping&handling.1set$2500Download
TS00201s-30SAMTestStripS-adenosylmethioninequantitativeteststripforserum,plasmaandwholeblood30tests$360Download
TS00301s-30SAHTestStripS-adenosylhomocysteinequantitativeteststripforserum,plasmaandwholeblood30tests$450Download
TS00401s-30HCYTestStripSerumhomocysteinequantitativeteststrip30tests$500Download
AntibodiesandConjugates
MA00201-100Mouseanti-SAM1aMousemonoclonalantibodytoS-AdenosylmethionineClone118-650µg$600Download
MA00201-50Mouseanti-SAM1bMousemonoclonalantibodytoS-denosylmethionineClone118-6100µg$360
MA00202-100Mouseanti-SAM2bMousemonoclonalantibodytoS-AdenosylmethionineClone84-3100µg$600Download
MA00202-50Mouseanti-SAM2aMousemonoclonalantibodytoS-denosylmethionineClone84-350µg$360
MA00203-50Mouseanti-SAM3aMousemonoclonalantibodytoS-AdenosylmethionineClone118-1850µg$200Download
MA00204-50Mouseanti-SAM4aMousemonoclonalantibodytoS-AdenosylmethionineClone84-1950µg$200Download
PA00201-100Rabbitanti-SAMbRabbitpolyclonalantibodytoS-Adenosylmethionine100µg$690Download
PA00201-50Rabbitanti-SAMaRabbitpolyclonalantibodytoS-Adenosylmethionine50µg$390
MAH00201-50HRP-anti-SAM1aHorserADIshperoxidase(HRP)conjugatedanti-SAMmonoclonalantibodyClone118-650µl$420Download
MAH00201-100HRP-anti-SAM1bHorseradishperoxidase(HRP)conjugatedanti-SAMmonoclonalantibodyClone118-6100µl$780
MAH00202-50HRP-anti-SAM2aHorseradishperoxidase(HRP)conjugatedanti-SAMmonoclonalantibodyClone84-350µl$420Download
MAH00202-100HRP-anti-SAM2bHorseradishperoxidase(HRP)conjugatedanti-SAMmonoclonalantibodyClone84-3100µl$780
MAH00203-50HRP-anti-SAM3aHorseradishperoxidase(HRP)conjugatedanti-SAMmonoclonalantibodyClone118-1850µl$280Download
MAH00204-50HRP-anti-SAM4aHorseradishperoxidase(HRP)conjugatedanti-SAMmonoclonalantibodyClone84-1950µl$280Download
MAF00201-25AF6-anti-SAM1aAlexaFluor®647(AF6)conjugatedanti-SAMmonoclonalantibodyClone118-625µl$390Download
MAF00201-50AF6-anti-SAM1bAlexaFluor®647(AF6)conjugatedanti-SAMmonoclonalantibodyClone118-650µl$690
MAF00202-50AF6-anti-SAM2aPhycoerythrin(PE)conjugatedanti-SAMmonoclonalantibodyClone84-350µl$330Download
MA00301-100Mouseanti-SAH1bMousemonoclonalantibodytoS-AdenosylhomocysteineClone301-1100µg$490Download
MA00301-50Mouseanti-SAH1aMousemonoclonalantibodytoS-AdenosylhomocysteineClone301-150µg$270
MA00302-50Mouseanti-SAH2aMousemonoclonalantibodytoS-AdenosylhomocysteineClone301-1050µg$150Download
MA00303-50Mouseanti-SAH3aMousemonoclonalantibodytoS-AdenosylhomocysteineClone301-350µg$270Download
MA00304-50Mouseanti-SAH4aMousemonoclonalantibodytoS-AdenosylhomocysteineClone301-1650µg$150Download
MA00305-100Mouseanti-SAH5bMousemonoclonalantibodytoS-AdenosylhomocysteineClone844-1100µg$690Download
MA00305-50Mouseanti-SAH5aMousemonoclonalantibodytoS-AdenosylhomocysteineClone844-150µg$390
MA00306-100Mouseanti-SAH6bMousemonoclonalantibodytoS-AdenosylhomocysteineClone844-2100µg$490Download
MA00306-50Mouseanti-SAH6aMousemonoclonalantibodytoS-AdenosylhomocysteineClone844-250µg$290
MA00307-100Mouseanti-SAH7bMousemonoclonalantibodytoS-AdenosylhomocysteineClone839-6100µg$690Download
MA00307-50Mouseanti-SAH7aMousemonoclonalantibodytoS-AdenosylhomocysteineClone839-650µg$390Download
MA00308-50Mouseanti-SAH8aMousemonoclonalantibodytoS-AdenosylhomocysteineClone839-1250µg$240
MAH00301-100HRP-anti-SAH1bHorseradishperoxidase(HRP)conjugatedanti-SAHmonoclonalantibodyClone301-3100µl$890Download
MAH00301-50HRP-anti-SAH1aHorseradishperoxidase(HRP)conjugatedanti-SAHmonoclonalantibodyClone301-350µl$490Download
MAH00302-50HRP-anti-SAH2aHorseradishperoxidase(HRP)conjugatedanti-SAHmonoclonalantibodyClone301-1650µl$360Download
MAF00301-25AF488-anti-SAH1aAlexaFluor®488(AF488)conjugatedanti-SAHmonoclonalantibodyClone301-325µg$260Download
MAF00301-50AF488-anti-SAH1bAlexaFluor®488(AF488)conjugatedanti-SAHmonoclonalantibodyClone301-350µg$440Download
MAF00302-50AF488-anti-SAH2aAlexaFluor®488(AF488)conjugatedanti-SAHmonoclonalantibodyClone839-650µg$360
PA00401-50Rabbitanti-MATsRabbitpolyclonalantiserumagainstmethionineadenosyltransferase50µg$140Download
PA00402-50Rabbitanti-MATgRabbitpolyclonalantiserumagainstmethionineadenosyltransferasewithglycerol50µg$140
CompoundsandConjugates
ACT00201-5PLL-aza-SAMaPoly-lysinewasconjugatedtoS-adenosylmethionineanalogAza-SAM(AST00201).Coatingfor10-2096-wellmicro-titerplates.5µg$195Download
ACT00201-10PLL-aza-SAMbPoly-lysinewasconjugatedtoS-adenosylmethionineanalogAza-SAM(AST00201).Coatingfor20-4096-wellmicro-titerplates.10µg$375
ACT00204-5BSA-aza-SAMaBovineserumAlbuminwasconjugatedtoS-adenosylmethionineanalogAza-SAM(AST00201).Coatingfor10-2096-wellmicro-titerplates.5µg$175Download
ACT00202-50Bio-SAMaBiotinisconjugatedtoNH2groupofS-adenosylmethionine.50µg$160Download
ACT00202-100Bio-SAMbBiotinisconjugatedtoNH2groupofS-adenosylmethionine.100µg$260
ACT00203-50Bio-6C-SAM1aBiotinisconjugatedtoNH2ofSAMthrough6-aminohexanoicacid.50µg$290Download
ACT00203-100Bio-6C-SAM1bBiotinisconjugatedtoNH2ofSAMthrough6-aminohexanoicacid.100µg$520
ACT00205-10Bio-6C-aza-SAM1aBiotinisconjugatedtotheNH2ofaza-SAMthrough6-aminohexanoicacid.10µg$140Download
ACT00205-50Bio-6C-aza-SAM1bBiotinisconjugatedtotheNH2ofaza-SAMthrough6-aminohexanoicacid.50µg$480
ACT00205-100Bio-6C-aza-SAM1cBiotinisconjugatedtotheNH2ofaza-SAMthrough6-aminohexanoicacid.100µg$880
ACT00206-10Bio-12CN-aza-SAM1aBiotinisconjugatedtotheNH2ofaza-SAMthrougha10-carbonand2-nitrogenlinker.10µg$180Download
ACT00206-50Bio-12CN-aza-SAM1bBiotinisconjugatedtotheNH2ofaza-SAMthrougha10-carbonand2-nitrogenlinker.50µg$580
ACT00206-100Bio-12CN-aza-SAM1cBiotinisconjugatedtotheNH2ofaza-SAMthrougha10-carbonand2-nitrogenlinker.100µg$990
AST00201Aza-SAMAseriesofS-adenosylmethionineanalogAza-SAMstandards:500nM,250nM,125nM,62.5nM,31.25nM,15.625nM,7.8125nM,0nM1ml$355Download
AST00201-1Aza-SAMaS-adenosylmethionineanalogAza-SAMstandard.Buffer(4ml)forserialdilutionmaybesupplied.1ml(500nM)$145
AST00201-200Aza-SAMbS-adenosylmethionineanalogAza-SAMstandard.Buffer(10ml)forserialdilutionmaybesupplied.200ul(5µM)$275
AST00201-1sAza-SAMasS-adenosylmethionineanalogAza-SAMstandardforserum/plasma.Buffer(3.2ml)forserialdilutionmaybesupplied.1ml(1µM)$295Download
ACT00301-50BSA-SAHBSAwasconjugatedtoS-Adenosylhomocysteine.Coatingfor1096-wellmicro-titerplates.50µg(20µg)$180Download
ACT00302-50Bio-SAHaBiotinisconjugatedtoNH2groupofS-adenosylhomocysteine.50µg$160Download
ACT00302-100Bio-SAHbBiotinisconjugatedtoNH2groupofS-adenosylhomocysteine.100µg$260
ACT00303-50Bio-6C-SAH1aBiotinisconjugatedtoNH2ofSAHthrough6-aminohexanoicacid.50µg$420Download
ACT00303-100Bio-6C-SAH1bBiotinisconjugatedtoNH2ofSAHthrough6-aminohexanoicacid.100µg$760
ACT00305-10Bio-12CN-SAH1aBiotinisconjugatedtoNH2ofSAHthrougha10-carbonand2-nitrogenlinker.10µg$1400Download
ACT00305-50Bio-12CN-SAH1bBiotinisconjugatedtoNH2ofSAHthrougha10-carbonand2-nitrogenlinker.50µg$480
ACT00305-100Bio-12CN-SAH1cBiotinisconjugatedtoNH2ofSAHthrougha10-carbonand2-nitrogenlinker.100µg$880
ACT00304-25Dig-6C-SAH1aDigoxinisconjugatedtoNH2-ofSAHthrough6-bromocaproicacid25µg$280Download
ACT00304-50Dig-6C-SAH1bDigoxinisconjugatedtoNH2ofSAHthrough6-bromocaproicacid.50µg$480
ACT00304-100Dig-6C-SAH1cDigoxinisconjugatedtoNH2ofSAHthrough6-bromocaproicacid.100µg$880
AST00301-1SAH-NaS-Adenosylhomocysteinestandard(SAHSodium).Buffer(18ml)forserialdilutionmaybesupplied.1ml(4µM)$15Download
AST00301-1sSAH-NasS-Adenosylhomocysteinestandard(SAHSodium)forserum/plasma.Buffer(8ml)forserialdilutionmaybesupplied.0.5ml(4µM)$50Download
AST00401-50MATaRecombinantmethionineadenosyltransferase(E.C.2.5.1.6),E.Coliexpression50µg$90Download
AST00401-500MATbRecombinantmethionineadenosyltransferase(E.C.2.5.1.6),E.Coliexpression500µg$450
AST00601-50HMTaRecombinantHomocysteineS-methyltransferase(E.C.2.1.1.10),E.Coliexpression50µg$90Download
AST00601-500HMTbRecombinantHomocysteineS-methyltransferase(E.C.2.1.1.10),E.Coliexpression500µg$450
ACT00501-100BSA-HCYBovineserumalbumin(BSA)wasconjugatedtohomocysteine(HCY).100µg$340Download





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