Products

  • 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
    Expression System E. coli
    Tags No tag
    SKU: SPR-322 Category:

    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 Pre-formed Fibrils

    Human Recombinant Alpha Synuclein PFFs (Type 2)

    Catalog No. SPR-317

    5.00 out of 5 based on 2 customer ratings
    Expression System E. coli
    Tags No tag
    SKU: SPR-317 Category:

    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

    0 out of 5 based on 0 customer ratings
    Expression System Synthetic
    Tags No tag
    SKU: SPR-488 Category:

    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)Amyloid Beta 1-42 Oligomers (SPR-488) in vivo assay.AFM of Amyloid Beta Peptide Protein (Monomers, Oligomers, and PFFS) (SPR-485, SPR-488, SPR-487)
  • Tau (K18) Wild-Type Monomers

    Human Recombinant Tau (K18) Wild-Type Monomers

    Catalog No. SPR-524

    0 out of 5 based on 0 customer ratings
    Expression System E. coli
    Tags No tag
    SKU: SPR-524 Category:

    SPR-524_Tau-K18-Wild-Type-Monomers-Protein-SDS-Page-1.png
    Thioflavin T assay of Human Tau (K18) Wild-Type Monomers Protein (SPR-524)
  • 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
    Expression System E. coli
    Tags ATTO 488
    SKU: SPR-329-A488 Category:

    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 Pre-formed Fibrils

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

    Catalog No. SPR-329

    5.00 out of 5 based on 1 customer rating
    Expression System E. coli
    Tags No tag
    SKU: SPR-329 Category:

    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)
  • 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
    Expression System Baculovirus (Sf9)
    Tags No tag
    SKU: SPR-471 Category:

    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)
  • Tau-430 (2N4R) P290S Mutant Monomers

    Mouse Recombinant Tau-430 (2N4R) P290S Mutant Monomers

    Catalog No. SPR-474

    0 out of 5 based on 0 customer ratings
    Expression System E. coli
    Tags No tag
    SKU: SPR-474 Category:

    SPR-474_Tau-Protein-Protein-SDS-PAGE-1.png
  • Tau-441 (2N4R) Wild-Type Monomers

    Human Recombinant Tau-441 (2N4R) Wild-Type Monomers

    Catalog No. SPR-479

    5.00 out of 5 based on 1 customer rating
    Expression System E. coli
    Tags No tag
    SKU: SPR-479 Category:

    SPR-479_Tau-Protein-SDS-PAGE-1.png
    Thioflavin T assay of Tau Wild-Type fibrils (SPR-480) and monomers (SPR-479)
  • Alpha Synuclein Pre-formed Fibrils

    Mouse Recombinant Alpha Synuclein PFFs (Type 1)

    Catalog No. SPR-324

    5.00 out of 5 based on 1 customer rating
    Expression System E. coli
    Tags No tag
    SKU: SPR-324 Category:

    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)