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Site Directed Mutagenesis (SDM) Human

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Get tips on using siGENOME Human MINK1 siRNA to perform siRNA / miRNA gene silencing Human - RMS MINK

Products Horizon Discovery Ltd. siGENOME Human MINK1 siRNA

Get tips on using siGENOME Human MAP4K2 siRNA to perform siRNA / miRNA gene silencing Human - RMS MAP4K2

Products Horizon Discovery Ltd. siGENOME Human MAP4K2 siRNA

Get tips on using siGENOME Human PAK1 siRNA to perform siRNA / miRNA gene silencing Human - HeLa PAK1

Products Horizon Discovery Ltd. siGENOME Human PAK1 siRNA

Get tips on using siGENOME Human ARAP1 (116985) siRNA - SMARTpool to perform siRNA / miRNA gene silencing Human - HeLa ARAP1

Products Horizon Discovery Ltd. siGENOME Human ARAP1 (116985) siRNA - SMARTpool

Get tips on using siGENOME Human TBX2 (6909) siRNA - SMARTpool to perform siRNA / miRNA gene silencing Human - U251 TBX2

Products Horizon Discovery Ltd. siGENOME Human TBX2 (6909) siRNA - SMARTpool

Get tips on using siGENOME Human BRCA1 (672) siRNA - SMARTpool to perform siRNA / miRNA gene silencing Human - ES2 BRCA1

Products Horizon Discovery Ltd. siGENOME Human BRCA1 (672) siRNA - SMARTpool

Get tips on using siGENOME Human DAB2 (1601) siRNA - SMARTpool to perform siRNA / miRNA gene silencing Human - A549 DAB2

Products Horizon Discovery Ltd. siGENOME Human DAB2 (1601) siRNA - SMARTpool

Short hairpin or small hairpin RNA (shRNA) is artificial RNA, which has a hairpin loop structure, and uses inherent microRNA (miRNA) machinery to silence target gene expression. This is called RNA interference (RNAi). These can be delivered via plasmids or viral/bacterial vectors. Challenges in shRNA-mediated gene silencing include: 1. Off-target silencing, 2. Packaging shRNA encoding lentivirus, and 3. Stable transduction in cells. RNAi have been designed to have anywhere from 19-27 bs, but the most effective design has 19 bp. In case commercial shRNAs are not available, potential target sites can be chosen within exon, 5’- or 3’ UTR, depending on which splice variants of the gene are desired. One should use the latest algorithms and choose at least two different sequences, targeting different regions, in order to have confidence in overcoming off-target effects. A BLAST search after selecting potential design will eliminate potential off-target sequences. For the second challenge, sequencing the vector using primers for either strand (50-100 bp upstream) is suggested, along with using enzymatic digestion on agarose gel for the vector. Next, once the shRNA-containing vector is packaged in a virus, it is important to check the viral titer before transduction. Finally, using a marker in the lentiviral vector (fluorescent protein or antibiotic resistance), along with qPCR for target gene expression can help in determining efficacy of transduction and shRNA on its target site.

RNA shRNA gene silencing Human Islets of langerhans ZEB1 lentiviral particles

Short hairpin or small hairpin RNA (shRNA) is artificial RNA, which has a hairpin loop structure, and uses inherent microRNA (miRNA) machinery to silence target gene expression. This is called RNA interference (RNAi). These can be delivered via plasmids or viral/bacterial vectors. Challenges in shRNA-mediated gene silencing include: 1. Off-target silencing, 2. Packaging shRNA encoding lentivirus, and 3. Stable transduction in cells. RNAi have been designed to have anywhere from 19-27 bs, but the most effective design has 19 bp. In case commercial shRNAs are not available, potential target sites can be chosen within exon, 5’- or 3’ UTR, depending on which splice variants of the gene are desired. One should use the latest algorithms and choose at least two different sequences, targeting different regions, in order to have confidence in overcoming off-target effects. A BLAST search after selecting potential design will eliminate potential off-target sequences. For the second challenge, sequencing the vector using primers for either strand (50-100 bp upstream) is suggested, along with using enzymatic digestion on agarose gel for the vector. Next, once the shRNA-containing vector is packaged in a virus, it is important to check the viral titer before transduction. Finally, using a marker in the lentiviral vector (fluorescent protein or antibiotic resistance), along with qPCR for target gene expression can help in determining efficacy of transduction and shRNA on its target site.

RNA shRNA gene silencing Human Islets of langerhans ZEB2 lentiviral particles

Short hairpin or small hairpin RNA (shRNA) is artificial RNA, which has a hairpin loop structure, and uses inherent microRNA (miRNA) machinery to silence target gene expression. This is called RNA interference (RNAi). These can be delivered via plasmids or viral/bacterial vectors. Challenges in shRNA-mediated gene silencing include: 1. Off-target silencing, 2. Packaging shRNA encoding lentivirus, and 3. Stable transduction in cells. RNAi have been designed to have anywhere from 19-27 bs, but the most effective design has 19 bp. In case commercial shRNAs are not available, potential target sites can be chosen within exon, 5’- or 3’ UTR, depending on which splice variants of the gene are desired. One should use the latest algorithms and choose at least two different sequences, targeting different regions, in order to have confidence in overcoming off-target effects. A BLAST search after selecting potential design will eliminate potential off-target sequences. For the second challenge, sequencing the vector using primers for either strand (50-100 bp upstream) is suggested, along with using enzymatic digestion on agarose gel for the vector. Next, once the shRNA-containing vector is packaged in a virus, it is important to check the viral titer before transduction. Finally, using a marker in the lentiviral vector (fluorescent protein or antibiotic resistance), along with qPCR for target gene expression can help in determining efficacy of transduction and shRNA on its target site.

RNA shRNA gene silencing Human Islets of langerhans SOX2 lentiviral particles

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