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当前位置: 首页 > 产品中心 > acid_base_buffer_solution > Smartox//CON023-00500/0.5mg
商品详细Smartox//CON023-00500/0.5mg
Smartox//CON023-00500/0.5mg
Smartox//CON023-00500/0.5mg
商品编号: CON023-00500
品牌: smartox-biotech
市场价: ¥1996.80
美元价: 1536.00
产地: 美国(厂家直采)
公司:
产品分类: 酸碱缓冲液
公司分类: acid_base_buffer_solution
联系Q Q: 3392242852
电话号码: 4000-520-616
电子邮箱: info@ebiomall.com
商品介绍

α-conotoxinPIAhasbeenisolatedfromthevenomofthemarinesnailConuspurpurascens.α-conotoxinPIApreferentiallytargetsneuronalAChRsubtypescontainingα6subunits.Thepeptidedisplays75-foldhigheraffinityforratα6/α3β2β3nAChRsoverratα3β2nAChRs.α-conotoxinPIApotentlyinhibitshumanchimericα6/α3β2β3nAChRs(IC50of1.7nM)andprovidedsimilarresultsonratchimericα6/α3β2β3(IC50of0.95nM).10μMα-conotoxinPIAhasnoeffectontheadultformofthehumanmusclenAChRdemonstratingahighspecificityforα6-containingneuronalnAChRs.Thepeptidehasnoeffectonα2-andα4-containingneuronalnAChRs.α6-containingneuronalnAChRsarehighlyexpressedinseveralcatecholaminergicnuclei(locuscoeruleus,ventraltegmentalareaandsubstantianigra),playasignificantroleinnicotinicrewardanddependence,andisatherapeutictargetofinterestinParkinsondisease.

Description:

Productcode:CON023.Category:NicotinicAcetylcholineReceptor.

AAsequence:RDPCCSNPVCTVHNPQIC-NH2
Disulfidebonds:Cys4-Cys10andCys5-Cys18
Formula:C79H125N27O25S4
MolecularWeight:1981.29g/mol
Appearance:Whitelyophilizedsolid
Solubility: waterorsalinebuffer
Source: Synthetic
Purityrate: >95%

Reference:

ConotoxinPIAIsSelectiveforα6Subunit-ContainingNicotinicAcetylcholineReceptors
DowellC.,etal.(2003)-ConotoxinPIAIsSelectiveforα6Subunit-ContainingNicotinicAcetylcholineReceptors

Untilnow,therehavebeennoantagoNISTstodiscriminatebetweenheteromericnicotinicacetylcholinereceptors(nAChRs)containingtheverycloselyrelatedα6andα3subunits.nAChRscontainingα3,α4,orα6subunitsincombinationwithβ2,occasionallyβ4,andsometimesβ3orα5subunits,arethoughttoplayimportantrolesincognitivefunction,painperception,andthereinforcingpropertiesofnicotine.WeclonedanovelgenefromthepredatorymarinesnailConuspurpurascens.Thepredictedpeptide,α-conotoxinPIA,potentlyblocksthechimericα6/α3β2β3subunitcombinationasexpressedinoocytesbutneitherthemusclenorthemajorneuronalnAChRα4β2.Additionally,thistoxinisthefirstdescribedligandtodiscriminatebetweennAChRscontainingα6andα3subunits.Exploitingtheunusualintronconservationofconotoxingenesmayrepresentamoregeneralapproachfordefiningconotoxinligandscaffoldstodiscriminateamongcloselyrelatedreceptorpopulations.

Mysteriousα6-containingnAChRs:function,pharmacology,andpathophysiology
YangKC.,etal.(2009)Mysteriousα6-containingnAChRs:function,pharmacology,andpathophysiologyNeuronalnicotinicacetylcholinereceptors(nAChRs)arethesuperfamilyofligand-gatedionchannelsandwidelyexpressedthroughoutthecentralandperipheralnervoussystems.nAChRsplaycrucialrolesinmodulatingawiderangeofhighercognitivefunctionsbymediatingpresynaptic,postsynaptic,andextrasynapticsignaling.Thusfar,ninealpha(α2-α10)andthreebeta(β2,β3,andβ4)subunitshavebeenidentifiedintheCNS,andthesesubunitsassembletoformadiversityoffunctionalnAChRs.Althoughα4β2-andα7-nAChRsarethetwomajorfunctionalnAChRtypesintheCNS,α6*-nAChRsareabundantlyexpressedinthemidbraindopaminergic(DAergic)system,includingmesocorticolimbicandnigrostriatalpathways,andparticularlypresentinpresynapticnerveterminals.Recently,functionalandpharmacologicalprofilesofα6*-nAChRshavebeenassessedwiththeuseofα6subunitblockerssuchasα-conotoxinMIIandPIA,andalsobyusingα6subunitknockoutmice.BymodulatingDAreleaseinthenucleusaccumbens(NAc)andmodulatingGABAreleaseontoDAergicneuronsintheventraltegmentalarea(VTA),α6*-nAChRsmayplayimportantrolesinthemediationofnicotinerewardandaddiction.FurThermore,α6*-nAChRsinthenigrostriatalDAergicsystemmaybepromisingtargetsforselectivepreventativetreatmentofParkinson’sdisease(PD).Thus,α6*-nAChRsmayholdpromiseforfutureclinicaltreatmentofhumandisorders,suchasnicotineaddictionandPD.Inthisreview,wemainlyfocusontherecentadvancesintheunderstandingofα6*-nAChRfunction,pharmacologyandpathophysiology.
品牌介绍
Smartox Biotechnology 是全球唯一一家专门生产动物毒液多肽毒素,用于细胞离子通道功能研究的生物医药公司。多肽毒素在生物制药领域具有重要的使用价值。Smartox Biotechnology 于 2009 年由来自 Grenoble 神经科学研究所 (Grenoble Institute of Neuroscience) 的 Michel de waard 博士创立, Smartox Biotechnology 专门研究动物毒液,制作合成多种毒液中的多肽成分(常称为毒素)。 De Waard 博士研究离子通道与毒素多肽的关系,尤其是鉴定、开发毒素多肽作为治疗性分子或细胞穿透肽 (cell penetrating peptides, CPP) 。其研究团队在毒液分离,药理性活性肽鉴定、富半胱氨酸肽定性、制作和优化等方面具有独特、丰富的经验。 2010 年, Smartox Biotechnolgy 被法国研究部 (Ministry of Research) 授予“新兴企业 OSEO 奖 (OSEO prize for emerging businesses) ”。