Visinin-likeprotein1(VSNL1)isasmallCalciumbindingproteinwhichisveryabundantinthenervoussystemandisfoundonlyinneurons,thoughdifferentneuronshavedifferentlevelsofexpression(4,5).ItisparticularlyconcentratedincerebellarPurkinjecells,andtendstobemostabundantinperikaryaanddendrites.Theproteinwasdiscoveredindependentlybyseveralgroupsandisthereforealsosometimesknownashippocalcin-likeprotein3,HLP3,HPCAL3,HUVISL1,VLP-1,VILIPandVILIP-1.TheproteinbelongstothelargesuperfamlyofcalmodulinandparavalbumintypeproteinswhichfunctionbybindingCalciumions.Calciumbindingalterstheconfomationoftheseproteinsandallowthemtointeractwithotherbindingpartners,thepropertiesofwhichtheymayalter.Visinin-likeprotein1hasfour"EFhand"domains,whicharenegativelychargedhelix-turn-helixpeptideswhichareresponsIBLeforCalciumbinding.Visinin-likeprotein1is191aminoacidsinsizeandhasamolecularweightonSDS-PAGEof22kDa.
Image:ConfocalimageofadultratcerebellarcortexstainedwithCat#CH22114VLP-1(green),Neuromics’polyclonalantibodytoNF-M:Cat#RA22105(red)andDNA(blue).TheVLP-1revealssynapsesinthemolecularlayer(ML)strongly.Synapticregionsarealsoseeninthegranulecelllayer(GC).TheperikaryaofPurkinjecells(PC)anddendritesandaxonsarerevealedwithNF-Mantibody.LittlestainingofVLP-1isseeninthewhitematter(WM).ProtocolonData-sheet.
TheproteinhasrecentlybeensuggestedtobeausefulbioMarkerofAlzheimer"sdiseaseandtraumaticbraininjury.
Neuromics公司提供一系列高品质新蛋白的抗体、神经干细胞及培养基、神经干细胞扩增及分化试剂盒、干细胞抗体、神经和前体细胞流式分型试剂、细胞凋亡研究试剂、荧光激活细胞分拣法试剂盒、细胞内部试剂盒、转染试剂、ELISA 缓冲稀释液与IHC-WB-ELISA 补充物等试剂。
Neuromics因为是由一批顶尖的学术和商业实验室挑选,试验和创新他们的 试剂来满足顾客的需要而使自己的表现尤为突出。Neuromics从 以上过程中获得的经验使得顾客****的实际应用和试剂独特的性能能够得以相容。它精通于提供试剂和为神经科学研究机构提供产品和服务。