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Discovery Antibodies/Tropicamide/1 g/T-120-1 g

价格
¥2580.00
货号:T-120-1g
浏览量:79
品牌:Discovery
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商品描述
Cat#:T-120
AlternativeNameMydriacyl®
  • LyophilizedPowder
  • BioassayTested
  • SourceSynthetic
    MW:284.3
    Purity:>96%
    Effectiveconcentration10nM-100µM.
      • Tropicamide
    ChemicalnameN-Ethyl-3-hydroxy-2-phenyl-N-(pyridinylmethyl)propanamide.
    MolecularformulaC17H20N2O2.
    CASNo.:1508-75-4.
    ActivityTropicamideisamuscarinicreceptor(mAChR)antagoNIST,whichshowsa3foldselectivityforM4overothermuscarinicreceptors1-2.TropicamideinhibitsporcineintravesicaluretercontractionwithpIC50 of~7.53.
      • Liao,C.F. etal. (1989) J.Biol.Chem. 264, 7328.
      • Lazareno,S. etal. (1990) Br.J.Pharmacol. 109, 1120.
      • Hernandez,M. etal. (1993) Br.J.Pharmacol. 110, 1413.
    ShippingandstorageShippedatroomtemperature.Productassuppliedcanbestoredintactatroomtemperatureforseveralweeks.Forlongerperiods,itshouldbestoredat-20°C.
    SolubilityDMSO.Centrifugeallproductpreparationsbeforeuse(10000xg5min).
    StorageofsolutionsUptofourweeksat4°Corthreemonthsat-20°C.
      • Tropicamide
        AlomoneLabsTropicamideinhibitscarbachol’seffectonM1mAChRexpressedinC6cells.
        CellswereloadedwithFluo-3AMandchangesinintracellularCa2+ weredetectedviachangesinFluo-3emission.A.Normalizedfluorescencebeforeandafterapplication(at20seconds,seearrow)of10μMCarbacholfollowinga20minincubationwith0-100μM Tropicamide (#T-120)(asindicated).B.Inhibition(aspercentofcontrol)of10µMCarbacholevokedCa2+ rise,plottedagainstTropicamideconcentrations.
    References-Scientificbackground
    • 1.Bonner,T.I. etal. (1989) Trends.Neurosci. 12, 148.
    • 2.Felder,C.C. etal. (1995) FASEB.J. 9, 619.
    • 3.Bonner,T.I. etal. (1987) Science 237, 527.
    • 4.Peralta,E.G. etal. (1987) EMBOJ.  6, 3923.
    • 5.Bonner,T.I. etal. (1988) Neuron 1, 403.
    • 6.Liao,C.F. etal. (1989) J.Biol.Chem. 264, 7328.
    • 7.Liao,C.F. etal. (1989) J.Biol.Chem. 264, 7328.
    • 8.Lazareno,S. etal. (1990) Br.J.Pharmacol. 109, 1120.
    • 9.Hernandez,M. etal. (1993) Br.J.Pharmacol. 110, 1413.
    • 10.Manny,R.E. etal. (2001) Invest.Ophtalmol.Vis.Sci. 42, 1728.
      • Muscarinicacetylcholinereceptors(mAChR)regulateanumberofimportantbasicphysiologicfunctionsincludingheartrate,motorandsensorycontrolandmorecomplexbehaviorsincludingarousal,memory,andlearning.LossofmuscarinicreceptornumberorfunctionhasbeenimplicatedintheetiologyofseveralneurologicaldisordersincludingAlzheimer"sdementia,Down"ssyndromeandParkinson"sdisease.

        Fivesubtypesofmuscarinicreceptors(m1-m5)havebeenidentifiedbymolecularcloning1andmuchhasbeenlearnedabouttheirdistribution,pharmacology,andstructure2-6.

        Tropicamideisamuscarinicreceptorantagonist,whichshowsa3foldselectivityform47-8.ItseffecthasapIC50of~7.5forporcineintravesicaluretercontraction9.

        Tropicamideproducesshortactingmydriasis(dilationofthepupil)andcycloplegia(paralysisoftheciliarymuscle)whenappliedaseyedrops.Itisalsoaneffectivecycloplegicagentinmyopicchildren10.

    TargetM1-M5muscarinicreceptors
    receivea250mgfreetrialsample!
    Lastupdate:26/09/2019

    Tropicamide(#T-120) isahighlypure,synthetic,andbiologicallyactivecompound.

    Forresearchpurposesonly,notforhumanuse
    Discovery Antibodies的Cyclin dependant kinase 2 (CDK2) is a serine/threonine protein kinase which controls both G1/S and G2/M transitions. CDKs along with cyclins and CDK inhibitors regulate cell cycle progression. Specific cyclins activate different CDKs; in early G1, CDK2 pairs with cyclin E to promote entry into the S phase before switching to partner with cyclin A to drive the cell through S phase. Once activated CDKs phosphorylate downstream proteins to initiate signalling cascades. CDK2 phosphorylates and inactivates the RB1 (pRb) tumour suppressor family of proteins.CDK的活动受到严格控制。CDK2活性可以被包括P21在内的一系列抑制剂抑制。细胞周期失调和增殖控制的丧失与细胞转化和癌症密切相关。CDK2在DNA损伤反应(DDR)中的细胞周期停滞中也似乎起着积极作用,它的抑制作用会阻碍DDR,并使细胞对电离辐射敏感,从而诱导细胞死亡。该抗体与AlexaFluor®488偶联。AlexaFluor®488是一种流行的鲜绿色荧光染料,具有高pH稳定性。
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