Products

  • Tau-441 (2N4R) P301S Mutant Pre-formed Fibrils

    Human Recombinant Tau-441 (2N4R) P301S Mutant PFFs (Baculovirus/Sf9)

    Catalog No. SPR-471

    5.00 out of 5 based on 1 customer rating
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    Expression System Baculovirus (Sf9)
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    SPR-471_Tau-Protein-TEM-1.png
    Thioflavin T assay of tau pre-formed fibrils (SPR-471)Mass spectrometry analysis of tau PFFs (SPR-471)

  • Rab5 Protein

    Human Recombinant Rab5 Protein

    Catalog No. SPR-121

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    Expression System E. coli
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    SPR-121_RAB5_Protein_SDS-Page.png

  • Alpha Synuclein E114C Mutant Pre-formed Fibrils: ATTO 488

    Human Recombinant Alpha Synuclein E114C Mutant PFFs: ATTO 488

    Catalog No. SPR-518-A488

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    Expression System E. coli
    Tags ATTO 488
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    SPR-518-A488_Alpha-Synuclein-E114C-Mutant-Pre-formed-Fibrils-ATTO-488-Protein-ICC-IF-neuronal-uptake-1.png
    Representative TEM image of ATTO-488 conjugated Alpha Synuclein E114C Pre-Formed Fibrils (SPR-518-A88)Representative TEM image of ATTO-488 conjugated Alpha Synuclein E114C Pre-Formed Fibrils (SPR-518-A88)Fluorescent signal of alpha-synuclein E114C-ATTO-488 PFFs (SPR-518-A88)In vitro seeding activity of human Alpha Synuclein wildtype monomer in ThT assay. (SPR-518-A88)Sedimentation assay on ATTO-488 conjugated Alpha Synuclein E114C Pre-Formed Fibrils. (SPR-518-A88)SDS-PAGE analysis of ATTO-488 conjugated Alpha Synuclein E114C Pre-Formed Fibrils (SPR-518-A88)

  • Alpha Synuclein E83Q Mutant Pre-formed Fibrils

    Human Recombinant Alpha Synuclein E83Q Mutant PFFs

    Catalog No. SPR-539

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    Expression System E. coli
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    SPR-539_Alpha-Synuclein-E83Q-Mutant-Pre-formed-Fibrils-Protein-AFM-1.png
    Sedimentation assay of Alpha Synuclein E83Q Mutant Pre-formed Fibrils (SPR-539)Thioflavin T assay of Alpha Synuclein E83Q Mutant Pre-formed Fibrils (SPR-539)SDS-Page of Alpha Synuclein E83Q Mutant Pre-formed Fibrils (SPR-539)

  • Alpha Synuclein E83Q Mutant Monomers

    Human Recombinant Alpha Synuclein E83Q Mutant Monomers

    Catalog No. SPR-538

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    Expression System E. coli
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    SPR-538_Alpha-Synuclein-E83Q-Mutant-Monomers-Protein-SDS-Page-1.png
    Thioflavin T assay of Alpha Synuclein E83Q Mutant Monomers (SPR-538)

  • Alpha Synuclein Pre-formed Fibrils

    Mouse Recombinant Alpha Synuclein PFFs (Type 1)

    Catalog No. SPR-324

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    Expression System E. coli
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    SPR-324_Alpha-Synuclein-Protein-Preformed-Fibrils-ICC-IF-1.png
    IHC of mouse brain injected with alpha synuclein monomers and fibrilsIHC of mouse brain injected with alpha synuclein monomers and fibrilsIHC of Sprague-Dawley rat brain injected with Type 1 mouse alpha synuclein Pre-formed Fibrils (SPR-324)Mouse hippocampal neurons treated with mouse alpha synuclein PFFs show phosphorylationTEM of Type 1 mouse alpha synuclein Pre-formed Fibrils (SPR-324).Mouse Type 1 alpha synuclein Pre-formed Fibrils (SPR-324) seed the formation of new alpha Synuclein fibrils from the pool of alpha synuclein monomers (SPR-323) as shown by increased fluorescence intensity by Thioflavin T over time.TEM of Type 1 mouse alpha synuclein Pre-formed Fibrils (SPR-324).SDS-Page of Type 1 Mouse Recombinant Alpha Synuclein Protein Pre-formed Fibrils (SPR-324)

  • Alpha Synuclein Pre-formed Fibrils

    Human Recombinant Alpha Synuclein PFFs (Type 2)

    Catalog No. SPR-317

    5.00 out of 5 based on 2 customer ratings
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    Expression System E. coli
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    SPR-317_Alpha-Synuclein-Preformed-Fibrils-Protein-TEM-4.png
    TEM of Type 2 Alpha Synuclein Pre-formed Fibrils (PFFs) (SPR-317)Alpha Synuclein Pre-formed Fibrils (PFF), Type 1 (cat#SPR-322) and Type 2 (cat#SPR-317) do have small secondary structure differences.SDS-Page of Type 2 Human Recombinant Alpha Synuclein Protein Pre-formed Fibrils (SPR-317)Type 2 alpha synuclein Pre-formed Fibrils (SPR-317) do not seed the formation of new alpha synuclein fibrils from the pool of alpha synuclein monomers (SPR-321) at the same rate as Type 1 alpha synuclein Pre-formed Fibrils (SPR-322) as shown by lower fluorescence intensity values of Thioflavin T over time.Primary rat hippocampal neurons show lewy body inclusion formation when treated with Type 1 Alpha Synuclein Protein Pre-formed Fibrils (SPR-322) (D-F), but not when treated with Type 2 Alpha Synuclein Protein Pre-formed Fibrils (SPR-317) (A-C).Toxicity results comparing Active Human Recombinant Alpha Synuclein Pre-formed Fibrils (Type 2) and Active Human Recombinant Alpha Synuclein Pre-formed Fibrils (Type 1)LDH assay shows effect of alpha synuclein PFFs on mouse primary neuronsMTT assay effects of alpha synuclein PFFs on mouse primary neurons

  • Amyloid Beta 1-42 Oligomers

    Human Synthetic Amyloid Beta 1-42 Oligomers

    Catalog No. SPR-488

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    Expression System Synthetic
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    SPR-488_Amyloid-Beta-1-42-Oligomers-Protein-TEM-3_panel.png
    WB of Amyloid Beta Peptide Protein (Monomers, Oligomers, and PFFS) (SPR-485, SPR-488, SPR-487)Toxicity of Amyloid Beta Peptide Protein (Monomers, Oligomers, and PFFS) (SPR-485, SPR-488, SPR-487)AFM of Amyloid Beta Peptide Protein (Monomers, Oligomers, and PFFS) (SPR-485, SPR-488, SPR-487)

  • Alpha Synuclein Pre-formed Fibrils

    Human Recombinant Alpha Synuclein PFFs (Type 1)

    Catalog No. SPR-322

    5.00 out of 5 based on 1 customer rating
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    Expression System E. coli
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    SPR-322_Alpha-Synuclein-Protein-Preformed-Fibrils-Protein-TEM-7.png
    Αlpha Synuclein Oligomers Have Distinct Secondary Structure Differences Compared to Fibrils.Alpha Synuclein Pre-formed Fibrils (PFF), Type 1 (cat#SPR-322) and Type 2 (cat#SPR-317) do have small secondary structure differences.ICC/IF of human Alpha Synuclein Protein Preformed Fibrils Protein (SPR-322)ICC/IF of human Alpha Synuclein Protein Preformed Fibrils Protein (SPR-322)StressMarq’s Alpha Synuclein PFFs (red) cat#SPR-322, were shown to be taken up by SH-SY5Y cells and transmitted to neuronal iPSCs within 14 days.SDS-Page of Type 1 Human Recombinant Alpha Synuclein Protein Pre-formed Fibrils (SPR-322)Type 1 alpha synuclein Pre-formed fibrils (SPR-322) seed the formation of new alpha synuclein fibrils from the pool of alpha synuclein monomers (SPR-321) as shown by increased fluorescence intensity by Thioflavin T over time.Immunocytochemistry/Immunofluorescence of Human Alpha Synuclein Protein Protein (SPR-322)Mouse neurocortical primary cells seeded with fluorescently-labelled alpha synuclein PFFsMouse neurocortical primary cells seeded with fluorescently-labelled alpha synuclein PFFs cause endogenous alpha synuclein phosphorylationTEM of Type 1 Alpha Synuclein Pre-formed Fibrils (PFFs) (SPR-322)IHC of Sprague-Dawley rat brain injected with Type 1 human alpha synuclein Pre-formed fibrils (SPR-322)Primary rat hippocampal neurons show lewy body inclusion formation when treated with Type 1 Alpha Synuclein Protein Pre-formed Fibrils (SPR-322) (D-F), but not when treated with Type 2 Alpha Synuclein Protein Pre-formed Fibrils (SPR-317) (A-C).

  • Tau-441 (2N4R) P301S Mutant Pre-formed Fibrils: ATTO 488

    Human Recombinant Tau-441 (2N4R) P301S Mutant PFFs: ATTO 488

    Catalog No. SPR-329-A488

    5.00 out of 5 based on 1 customer rating
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    Expression System E. coli
    Tags ATTO 488
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    SPR-329-A488_Tau-Protein-Protein-TEM-1.png
    TEM of ATTO conjugated tau pre-formed fibrilsThioflavin T assay of ATTO-488 conjugated tau fibrils