Products

  • Amyloid Beta Peptide 1-42 Monomers

    Human Synthetic Amyloid Beta Peptide 1-42 (HFIP treated) Monomers

    Catalog No. SPR-485

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

  • 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 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)

  • 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)

  • 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

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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

  • Tau-441 (2N4R) P301S Mutant Monomers

    Human Recombinant Tau-441 (2N4R) P301S Mutant Monomers

    Catalog No. SPR-327

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    Expression System E. coli
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    SPR-327_Tau-Protein-Monomer-SDS-PAGE-1.png
    Thioflavin T emission curves show increased fluorescence (correlated to tau aggregation) over time in active tau monomers (SPR-327). A greater increase in fluorescence is seen when 50 μM active monomer (SPR-327) is combined with 10 μM of active fibrils (SPR-329 or SPR-330), as the active fibrils seed the formation of new fibrils from the pool of active monomers.

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

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

    Catalog No. SPR-329

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    Expression System E. coli
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    SPR-329_Tau-Protein-Peformed-Fibrils-TEM-1.png
    TEM of recombinant Tau441 (2N4R), P301S mutant Pre-formed Fibrils (PFFs)Thioflavin T emission curves show increased fluorescence (correlated to tau aggregation) when tau Pre-formed fibrils (SPR-329) are combined with tau monomers (SPR-327). The Pre-formed fibrils seed the formation of new fibrils from a pool of monomers.SDS-PAGE of ~67 kDa Human Tau 2N4R P301S Pre-formed Fibrils (PFFs)

  • Alpha Synuclein Pre-formed Fibrils

    Human Recombinant Alpha Synuclein PFFs (Type 1)

    Catalog No. SPR-322

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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).

  • Alpha Synuclein S129A Mutant Pre-formed Fibrils

    Human Recombinant Alpha Synuclein S129A Mutant PFFs

    Catalog No. SPR-506

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    Expression System E. coli
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    SPR-506_Alpha-Synuclein-S129A-Mutant-Pre-formed-Fibrils-Protein-TEM-1.png
    SDS-Page of Human Alpha Synuclein S129A Mutant Pre-formed Fibrils Protein (SPR-506)Thioflavin T assay of Human Alpha Synuclein S129A Mutant Pre-formed Fibrils Protein (SPR-506)Sedimentation assay of Human Alpha Synuclein S129A Mutant Pre-formed Fibrils Protein (SPR-506)TEM of Human Alpha Synuclein S129A Mutant Pre-formed Fibrils Protein (SPR-506)TEM of Human Alpha Synuclein S129A Mutant Pre-formed Fibrils Protein (SPR-506)

  • HOP Protein

    Human Recombinant HOP Protein

    Catalog No. SPR-302

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    Expression System E. coli
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    SPR-302_HOP_Protein_SDS-Page.png