ProductDescription
HyStem®-CHydrogelKits-Thestartermatrix.
HyStem®-Chydrogelsprovideanexcellentstartingpointforoptimizingthematrixforcellculture.HyStem-Cisfullychemically-definedandbasedonthreebiocompatIBLecomponents:thiol-modifiedhyaluronan(Glycosil),thiol-reactivecrosslinker,PEGDA(Extralink),andthiol-modifieddenaturedcollagen(Gelin-S®).Gelin-Sprovidesbasiccell-attachmentsitesforawidevarietyofprimarycellsandcelllinesandisthereforerecommendedasanidealsubstrateforadherentcelltypesandforcellcultureoptimization.Insomecases,HyStem-ChydrogelscanbefurtherenhancedbytheadditionofECMproteinstomatchnativesignals.Features
- Hydrogelsaresuitableforculturingprimarycells,stemcellsandcelllines.
- Cellscanbeencapsulatedorgrownonthehydrogelsurfaceinanyformat,includingcultureflasks,6-to384-wellplatesortissuecultureinserts.
- Hydrogelscanbeeasilycustomizedbytheusertopossessthedesiredstiffnessandgelationtimebymanipulatingcomponentconcentrationandmixingratios.
- Customizablegelationpropertiesincludinggelationtimeandhydrogelstiffness.
GelationReconstitutedHyStem-Ccomponentsremainliquidat15to37°C.Thehydrogelisformedwhenthecrosslinkingagent,Extralink®(PEGDA)isaddedtoamixtureofGlycosil®(thiol-modifiedhyaluronan)andGelin-S®(thiol-modifiedgelatin).Gelationoccursinabouttwentyminutesafterallthreecomponentsaremixed.NostepsdependonlowtemperaturesorlowpH.Dilutingthecomponentswithphosphate-bufferedsaline(PBS)orcell-culturemediumcanincreasethegelationtime.3DCellRecoveryMatrixForapplicationwherecellrecoveryiscritical,thealternativecrosslinkerPEGSSDAisavailableforusewithallHyStem,HyStem-CandHyStem-HPkits.ThiscrosslinkerprovidesthesameadvantagesofferedbyExtralinkwiththeadditionalbenefitofcontainingeasilyreducibleinternalbonds.Thisallowsforfast,easyrecoveryofsinglecellsorclustersfromthehydrogelforapplicationslikeRNAanalysisorflowcytometryinsteadofslowenzymaticmethodsthatcanimpactcellviABIlity.ResearchersareencouragedtocontactustodeterminethecompatibilityofparticularcelltypesorculturesystemswithPEGSSDA.
DirectionsforUse
DownloadtheHyStem®-Chydrogelkitinstructionsfor:
Catalog#GS3122.5mLTrialKit
Catalog#GS3137.5mLKit
Catalog#GS100512.5mLKit
ProductQ&A
Globularparticleslessthan75kDashouldbeabletofreelydiffusethroughaHyStemhydrogel.
WhenreconstitutedusingDGwater,thepHofeachHyStemcomponentwillbeapproximately7.4-7.6.
Oneyearfromthedateofreceipt,ifstoredproperly.
Anysterile,deionized,degassedwatercanbesubstitutedforreconstitution.However,inordertoensureaccurateandpredictabledissolutionandgelationtimes,ourDGWaterishighlyrecommended,asitisdegassed,blanketedinargon,andhasundergonevalidationtestingwitheachHyStemcomponent.
Gelin-Sprovidescellularattachmentsiteswhenincorporatedinthehydrogel.Gelin-Sisthiol-modified,denaturedcollagenI,derivedfromeitherbovineorporcinesources.Gelin-SisincludedinallHyStem-CandHyStem-HPkits.
Gelin-Shasbeenthiol-modifiedinthesamemannerasthehyaluronaninGlycosil(orHeprasil),sothatitcovalentlycrosslinkswiththeExtralinkintheHyStemhydrogels.
Yes.Peptidesthatcontainacysteineresiduecanbeused.Thecysteineresiduemustbepresentforthepeptidetobecovalentlybondedtothehydrogelsubstrate.
Yes.ECMproteins,suchaslaminin,collagen,fibronectin,orvitronectincanbenon-covalentlyincorporatedintothehydrogelpriortocrosslinking.
HyStemhydrogelsandspongesdifferinhydrationandhomogeneity.HyStemspongesaretypicallypolymerizedhydrogelsthataresubsequentlyfreeze-dried.Theresultingspongeisafibrous,meshnetworkwithporesandnichesthatenablecellstoinfiltrateandadhere.AtrueHyStemhydrogelisanencapsulatingliquidthatpolymerizesaroundsUSPendedcellsinculture.
No.ThecomplianceofthehydrogelsissetbytheamountofExtralinkcrosslinkeradded,theconcentrationofGlycosil(orHeprasil)andGelin-Sused,andtheratioofGlycosil(orHeprasil)toGelin-S.Oncethischemicalstructureofthehydrogelisfixed,itisnotalteredbyprolongedexposuretocellculturemedium.
HyStemspongescanbeterminallysterilizedbyE-beam.HyStemhydrogelshavenotyetbeenvalidatedforusewithE-beamsterilizationmethods.HyStemhydrogelsarenotterminallysterilizedbygammairrADIation.
Gelationtimeisaffectedbymultipleaspectsofthegel’scomposition.Onewaytochangethegelationtimeofahydrogelistovarytheamountofcrosslinkerused.GelswithaloweramountofExtralinkcrosslinkerwillhavealongergelationtimethanthosewithahigheramountofcrosslinker.Changingtheamountofcrosslinkerwillproduceslightchangesingelationtime.GelationtimecanbedramaticallychangedbyvaryingtheGlycosil(orHeprasil)andGelin-Sconcentrations.ConcentratedsolutionsofGlycosil(orHeprasil)andGelin-Swillcreateasolutionwithamuchshortergelationtime.ThiscaneasilybedonebyreconstitutingthecomponentsinasmallervolumeofDGWater.Alternatively,dilutingthesecomponentsinlargervolumesofDGWaterwilldramaticallyincreasethetotaltimetoformthehydrogel.
HyStemHydrogelsarevirtuallytransparentandshouldnotinterferewithmicroscopy.
HyStemhydrogelsmaygeneratemildinflammationaspartofthebody’snaturalhealingprocessinresponsetoinjury.HyStemhydrogelsdonottriggerimmuneresponsewhenusedinvivo.(Theseproductsarenotforhumanuse)
HyStemisdegradedinvivobymatrixmetalloproteinases(Collagenases)andhyaluronidases.
Trypsin,Dipase,collagenase,andhyaluronidasehavebeenusedtohelpdetachcellsfromthesurfaceorfromwithinHyStemhydrogels.
Ingeneral,theporesizeforHyStem-CandHyStem-HPhydrogelsis~17nm.
ProductApplications
Clickonthetitleofthedesiredprotocoltolearnmore:
2DCellGrowthonHyStemHydrogels
HyStem3DCellEncapsulationforCellDeliveryApplicationsGuide
HyStem3DCellEncapsulationinhydrogelsusing96-wellplates
HyStem3DCellEncapsulationinhydrogelsusingTCInserts
EnzymeDigestionofHyStemHydrogelsforRecoveryofEncapsulatedCells
FluorescentLabelingofHyStemHydrogels
CellRecoveryfromSurfaceofHyStemHydrogels
HyStemECMIncorporation
HyStemGelationTimeVariation
HyStemStiffnessVariationProtocolfor7.5mLkit
HyStemStiffnessVariationProtocolfor12.5mLkit
ProductReferences
ReferencesforHyStem®:
Gaetani,R.,etal.(2015)EpicardialapplicationofcardiacProgenitorcellsina3D-printedgelatin/hyaluronicacidpatchpreservescardiacfunctionaftermyocardialinfarction.Biomaterials61:339-348.PMID:17335875.Prestwich,G.D.,etal.(2007)3-Dcultureinsyntheticextracellularmatrices:newtissuemodelsfordrugtoxicologyandcancerdrugdiscovery.AdvEnzymeRegul47:196-207.PMID:17335875.Shu,X.Z.,etal.(2006)Synthesisandevaluationofinjectable,insitucrosslinkablesyntheticextracellularmatricesfortissueengineering.JBiomedMaterResA79:901-912.PMID:16941590.Shu,X.Z.,etal.(2003)Disulfide-crosslinkedhyaluronan-gelatinhydrogelfilms:acovalentmimicoftheextracellularmatrixforinvitrocellgrowth.Biomaterials24:3825-3834.PMID:12818555.
S.Cai,etal.(2005)Injectableglycosaminoglycanhydrogelsforcontrolledreleaseofhumanbasicfibroblastgrowthfactor.Biomaterials,26,6054-6067.D.B.Pike,etal.(2006)Heparin-regulatedreleaseofgrowthfactorsinvitroandangiogenicresponseinvivotoimplantedhyaluronanhydrogelscontainingVEGFandbFGF.Biomaterials,27,5242–5251.G.D.Prestwich,etal.(2007)3-DCultureinSyntheticExtracellularMatrices:NewTissueModelsforDrugToxicologyandCancerDrugDiscovery.invited,Adv.Enz.Res.,inpress(2007).X.Z.Shu,etal,(2006)SynthesisandEvaluationofInjectable,InSituCrosslinkableSyntheticExtracellularMatrices(sECMs)forTissueEngineering.J.BiomedMater.Res.A,79A(4),901-912.
Shu,X.Z.,etal.(2004)Insitucrosslinkablehyaluronanhydrogelsfortissueengineering.Biomaterials25:1339-1348.PMID:14643608.Mehra,T.D.,etal.(2006)Molecularstentingwithacrosslinkedhyaluronanderivativeinhibitscollagengelcontraction.JInvestDermatol126:2202-2209.PMID:16741511.Shu,X.Z.,etal.(2004)AttachmentandspreadingoffibroblastsonanRGDpeptide-modifiedinjectablehyaluronanhydrogel.JBiomedMaterResA68:365-375.PMID:14704979.Ghosh,K.,etal.(2007)CelladaptationtoaphysiologicallyrelevantECMmimicwithdifferentviscoelasticproperties.Biomaterials28:671-679.PMID:17049594.
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ProductDisclaimer
ThisproductisforR&Duseonlyandisnotintendedforhumanorotheruses.PleaseconsulttheMaterialSafetyDataSheetforinformationregardinghazardsandsafehandlingpractices.
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