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SCR527 Alzheimer’s In A Dish™ PSEN1-RFP Lentivirus

The PSEN1-RFP lentivirus can be used to generate 3D cell culture models of Alzheimer’s Disease. The high-titer polycistronic lentiviral particles contain the PSEN1 and TagRFP2 proteins and can be use

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Alzheimer’s In A Dish™ PSEN1-RFP Lentivirus MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.
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SCR527
15ul/vial  
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      Overview

      Description
      Catalogue NumberSCR527
      DescriptionAlzheimer’s In A Dish™ PSEN1-RFP Lentivirus
      Alternate Names
      • PSEN1-RFP
      • ReNcell 3D Alzheimers Model
      • ADID™ 3D Neural Cell Model
      Background InformationAmyloid-beta plaques and neurofibrillary tangles are key pathological features observed in the brains of Alzheimer’s patients. Familial, early onset forms of AD (FAD) are caused by autosomal dominant inherited genetic mutations and offer an opportunity to study the effects of key mutations on the disease’s progression and pathology. To date, approximately 200 FAD mutations in APP and/or PSEN1 have been reported. Transgenic mouse models and human neurons harboring FAD mutations in PSEN-1 and/or APP are widely used as model systems and have provide important insights into the disease. Transgenic mouse models are able to recapitulate the loss in cognitive functions along with increased deposition of b-amyloid plaques, but are unable to demonstrate neurofibrillary tangles, one of the key pathological hallmarks of AD. Similarly human iPSC-derived neurons from FAD patients demonstrated increased levels of the pathogenic AB species and phosphorylated tau, but lack the characteristic amyloid-beta plaques and neurofibrillary tangles.

      Recently a 3D model using genetically engineered human neural stem cells that overexpress FAD mutations was reported to recapitulate the two pathological hallmarks of AD: b-amyloid plaques and neurofibrillary tangles. Lentiviruses expressing FAD mutations in human APP with both the K670N/M671L (Swedish) and V717I (London) mutations (APPSL) and/or PSEN1 with the E9 mutation (PSEN1(E9)) and APPSL/PSEN1(E9) along with fluorescent proteins as reporters for viral infection (see below), were used to transfect ReNcell VM human neural stem cells. FACS was utilized to enrich for cells with the highest transgene expressions followed by encapsulation of the sorted cells in a 3D Matrigel culture system. After approximately 6 weeks of differentiation, aggregation of AB was observed. Robust accumulation of phosphorylated tau along neurofibrillary tangles was readily detectable after 10-14 weeks.

      MilliporeSigma’s Alzheimer’s In A Dish™ PSEN1-RFP Lentivirus is a necessary reagent to set up the Alzheimer’s 3D culture system. The lentivirus contains the PSEN1 FAD mutations and can be used to infect human neural cells. The RFP tag enables assessment of viral infectivity and allows FACS sorting of the highest expressing cells.

      References

      1. Ryan NS, Rossor MN (2010) Correlating familial Alzheimer’s disease gene mutations with clinical phenotype. Biomark Med. 4(1): 99-112.
      2. D’Avanzo C, Aronson J, Kim YH, Choi SH, Tanzi RE, Kim DY (2015) Alzheimer’s in 3D culture: challenges and perspectives. Bioassays 37(10): 1139-1148.
      3. Choi SH, Kim YH, Hebisch M, Sliwinski C, Lee S, D’Avanzo C, Chen H, Hooli B, Asselin C, Muffat J, Klee JB, Zhang C, Wainger BJ, Peitz M, Kovacs DM, Woolf CJ, Wagner SL, Tanzi RE, Kim DY (2014) A three-dimensional human neural cell culture model of Alzheimer’s disease. Nature 515(7526): 274-278.
      4. Kim YH, Choi SH, D’Avanzo C, Hebisch M, Sliwinski C, Bylykbashi E, Washicosky KJ, Klee JB, Brüstle O, Tanzi RE, Kim DY (2015) A 3D human neural cell culture system for modeling Alzheimer’s disease. Nature Protocol 10(7): 985-1006.
      Product Information
      Components
      • PSEN1-RFP Alzheimer’s Lentivirus: (Part No. CS222746) One (1) vial containing 15 µL of high titer lentiviral particles. Store at -80°C.

        Note: For exact viral titer, refer to the label on the vial.
      Quality LevelMQ100
      Applications
      ApplicationThe PSEN1-RFP lentivirus can be used to generate 3D cell culture models of Alzheimer’s Disease. The high-titer polycistronic lentiviral particles contain the PSEN1 and TagRFP2 proteins and can be used to infect human neural stem cells at high efficiency.
      Key Applications
      • Cell Culture
      • Cell Differentiation
      • Neuroscience
      • Stem Cell Culture
      Biological Information
      Species Reactivity
      • Human
      Product Usage Statements
      Quality AssuranceThe packaged lentivector constructs are provided as frozen VSV-G pseudotyped viral particles. The titer (ifus/ml) is defined by SBI’s Global UltraRapid Lentiviral Titer Kit (Cat. # LV961A-1) in HT1080 cells transduced by the packaged constructs.
      Usage Statement
      • Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
      • This product contains genetically modified organisms (GMO). Within the EU GMOs are regulated by Directives 2001/18/EC and 2009/41/EC of the European Parliament and of the Council and their national implementation in the member States respectively. This legislation obliges Merck to request certain information about you and the establishment where the GMOs are being handled. Click here for Enduser Declaration (EUD) Form.
      Storage and Shipping Information
      Storage ConditionsStorage and Handling

      Lentivirus is stable for at least 6 months when stored at -80°C. After first thaw, place immediately on ice and store in working aliquots to avoid further freeze thaws. Avoid freeze thaws as this will result in a decrease in the virus titer.

      Important Safety Note:
      • Replication-defective lentiviral vectors are not known to cause any diseases in humans or animals. However, lentiviruses can integrate into the host cell genome and thus pose some risk of insertional mutagenesis.
      • Wear gloves when using this product. Avoid skin contact or ingestion of all reagents and chemicals used in this protocol.
      • Lentivirus is a risk group 2 and should be handled under approved Biosafety Level 2 (BSL2) controls.
      Packaging Information
      Material Size15ul/vial
      Global Trade Item Number
      Catalogue Number GTIN
      SCR527 04054839338656