SCR728
B18R Plasmid (human codon optimized)
To supply B18R RNA that suppresses IFN responses to support Simplicon® RNA or normal mRNA expression
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About This Item
Code UNSPSC :
12352207
eCl@ss :
32161000
Nomenclature NACRES :
NA.81
Produits recommandés
Technique(s)
nucleic acid detection: suitable (RNA)
Conditions d'expédition
ambient
Description générale
Simplicon<TMSYMBOL></TMSYMBOL> is a novel system to effect immediate high sustained protein expression of multiple genes into transfected cells without the risk of genome integration. The technology employs a single, synthetic, polycistronic, self-replicating RNA based on the Venezuelan equine encephalitis (VEE) genome1,2,3,4. The Simplicon<TMSYMBOL></TMSYMBOL> RNA contains only genes encoding the VEE RNA replication machinery while the structural proteins that are required to make an infectious particle have been removed and replaced with the transgenes of interest. The Simplicon<TMSYMBOL></TMSYMBOL> RNA is a synthetic RNA generated from the SimpliconTM Cloning Vector (E3L) plasmid.
Introduction and replication of the Simplicon<TMSYMBOL></TMSYMBOL> RNA is expected to elicit a strong interferon response in transfected cells. To suppress the IFN responses, a Vaccinia virus protein5, B18R, is used for the original SimpliconTM technology.
One day after transfection of the Simplicon<TMSYMBOL></TMSYMBOL> RNA, a spike in the levels of transgenes can be observed. The expression levels are maintained by addition of B18R, E3L and the selective agent, puromycin throughout the duration of the experiment. Over time, expression levels are expected to diminish and stabilize to 1/5 1/10 the levels initially observed and may be close to physiological levels after one week. Expression levels and duration may change depending upon the cell types, transgenes and media conditions used. The Simplicon<TMSYMBOL></TMSYMBOL> technology has been successfully utilized for efficient human iPSC generation through the sustained expression of critical reprogramming factors3,4 and in the creation of cell lines that express and retain the metabolic activities of five cytochrome P450 enzymes6.
In the Simplicon<TMSYMBOL></TMSYMBOL> Expression System, B18R is provided as a B18R RNA (Cat. No. SCR722) for the suppression of IFN responses at RNA transfection. For sustained transgene expression, recombinant B18R protein (Cat. No. SCR156 and SCR197) or B18R conditioned medium (B18R-CM) can be used. B18R-CM can be produced from B18R RNA synthesized using B18R plasmid (Cat. No. SCR728), respectively.
The B18R Plasmid (human codon optimized) (Cat. No. SCR728) is used as a DNA template for the synthesis of B18R RNA (Cat. No. SCR722). The B18R RNA is a synthetic mRNA and is used for co-transfected with the Simplicon<TMSYMBOL></TMSYMBOL> RNA. B18R RNA can be used to prepare B18R-CM by transfection into HFFs (Cat. No. SCC058). B18R RNA is also available for co-transfection of any kinds of mRNA to suppress the IFN responses. Please refer to the User Guide for Simplicon<TMSYMBOL></TMSYMBOL> Expression System located on our website for detailed protocols.
Introduction and replication of the Simplicon<TMSYMBOL></TMSYMBOL> RNA is expected to elicit a strong interferon response in transfected cells. To suppress the IFN responses, a Vaccinia virus protein5, B18R, is used for the original SimpliconTM technology.
One day after transfection of the Simplicon<TMSYMBOL></TMSYMBOL> RNA, a spike in the levels of transgenes can be observed. The expression levels are maintained by addition of B18R, E3L and the selective agent, puromycin throughout the duration of the experiment. Over time, expression levels are expected to diminish and stabilize to 1/5 1/10 the levels initially observed and may be close to physiological levels after one week. Expression levels and duration may change depending upon the cell types, transgenes and media conditions used. The Simplicon<TMSYMBOL></TMSYMBOL> technology has been successfully utilized for efficient human iPSC generation through the sustained expression of critical reprogramming factors3,4 and in the creation of cell lines that express and retain the metabolic activities of five cytochrome P450 enzymes6.
In the Simplicon<TMSYMBOL></TMSYMBOL> Expression System, B18R is provided as a B18R RNA (Cat. No. SCR722) for the suppression of IFN responses at RNA transfection. For sustained transgene expression, recombinant B18R protein (Cat. No. SCR156 and SCR197) or B18R conditioned medium (B18R-CM) can be used. B18R-CM can be produced from B18R RNA synthesized using B18R plasmid (Cat. No. SCR728), respectively.
The B18R Plasmid (human codon optimized) (Cat. No. SCR728) is used as a DNA template for the synthesis of B18R RNA (Cat. No. SCR722). The B18R RNA is a synthetic mRNA and is used for co-transfected with the Simplicon<TMSYMBOL></TMSYMBOL> RNA. B18R RNA can be used to prepare B18R-CM by transfection into HFFs (Cat. No. SCC058). B18R RNA is also available for co-transfection of any kinds of mRNA to suppress the IFN responses. Please refer to the User Guide for Simplicon<TMSYMBOL></TMSYMBOL> Expression System located on our website for detailed protocols.
Application
B18R acts as a decoy receptor for Type I Interferons and inhibit IFN-alpha, beta, and omega and other Type I IFN receptors. For continuous expression, B18R protein is needed to supply with B18R-conditioned medium (B18R-CM) or recombinant protein. B18R plasmid is used to transcribe into B18R RNA which is required for high expression of Simplicon RNA at transfection and available for production of B18R-CM (conditioned medium).
Stockage et stabilité
B18R Plasmid (human codon optimized) (Cat. # SCR728). One (1) vial containing 10 µL of Plasmid (1 µg/µL). Store at -20 °C
Autres remarques
Concentration: Please refer to lot specific datasheet.
Informations légales
SIMPLICON is a registered trademark of Merck KGaA, Darmstadt, Germany
Clause de non-responsabilité
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.
Code de la classe de stockage
12 - Non Combustible Liquids
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