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SAMMS2HYGV Sigma-Aldrich

MS2-P65-HSF1-Hygromycin SAM CRISPRa Helper Construct 2 Lentiviral Transduction Particles

  •  NACRES NA.51

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Properties

packaging   pkg of 8x25 μL (aliquots supplied at a minimum p24 titer of 1x106 VP/mL)
concentration   ≥1x106 VP/ml (via p24 assay)
application(s)   CRISPR: suitable
shipped in   dry ice
storage temp.   −70°C

Description

General description

Ready to use MS2-P65-HSF1 lentiviral particles enable immediate transduction of a wide range of cell lines. MS2-P65-HSF1 lentiviral particles efficiently and stably integrate MS2-P65-HSF1 and hygromycin resistance cassette linked by a 2A peptide and driven by the EF1 alpha promoter (EF1a-dCas9-VP64-2A-Blasticidin) for strong expression in both dividing and non-dividing cell lines. They are ideal for avoiding the tedious lentivirus production process and are one part of a three part CRISPR system with individual dCas9-VP64. MS2-p65-HSF1 and gRNA expression vectors.

To order gRNA in any format click here

Application

Functional Genomics/Target Validation
• Unbiased forward genetic screening
• Strong transcriptional activation in multiple cell lines
• Creation of cell lines stably expressing MS2-p65-HSF1

Features and Benefits

• Highly specific and highly active
• Sequence verified high purity, high titer lentiviral particles
• Activates genes through transcriptional activation rather than cDNA based overexpression

Learn more about SAM CRISPR Activators at SigmaAldrich.com/CRISPRa

Principle

CRISPR/Cas systems are employed by bacteria and archaea as a defense against invading viruses and plasmids. Recently, the type II CRISPR/Cas system from the bacterium Streptococcus pyogenes has been engineered to function in eukaryotic systems using two molecular components: a single Cas9 protein and a non-coding guide RNA (gRNA). The Cas9 endonuclease can be rendered inactive (dCas9) with mutations to the two protein domains, RuvC and HnH (D10A and H840A respectively), which are responsible for nuclease activity. The nuclease deficient protein can then be fused with the transcriptional activator VP64 and used in conjunction with a guide RNA modified with MS2 RNA aptamers that function to recruit the additional transcriptional coactivators p65 and HSF1. The assembled SAM complex is then used as a cargo delivery system to target gene promoters, enabling site-specific transcriptional activation of the gene of interest.

Unit Definition

VP/ml is the concentration unit of measure for viral titer estimated by p24 assay.

Legal Information

CRISPR Use License Agreement

Lentiviral, WPRE and Evrogen Fluorophore Licenses

Safety & Documentation

Safety Information

RIDADR 
UN 3245 9
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles

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Peer-Reviewed Papers
15

References

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