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Shscrambled shscr

Manufactured by Addgene

ShScrambled (shScr) is a plasmid used for gene knockdown experiments. It contains a short hairpin RNA (shRNA) sequence that targets no known genes, serving as a control for non-specific effects in RNA interference (RNAi) studies.

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2 protocols using shscrambled shscr

1

Knockdown and Overexpression of PHF8 and E2F in Endothelial Cells

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For shRNA treatment, endothelial cells were infected with lentiviral particles according to Addgene “plKO.1 Protocol” (http://www.addgene.org/tools/protocols/plko/). Cells were selected with puromycin (0.5 μg/ml). The PHF8 target sequence was: 5’- CCGGCCCAACTGTGAAGTCTTGCATCTCGAGATGCAAGACTTCACAGTTGGGTTTTTG -3’. Control shRNA against green fluorescent protein (shGFP) and shScrambled (shScr) were purchased from Addgene. For siRNA treatment, endothelial cells (80–90% confluent) were transfected with GeneTrans II according to the instructions provided by MoBiTec (Göttingen,Germany). siRNAs for PHF8 were purchased from Sigma (siPHF8-1: #SASI_Hs01_00079031, siPHF8-2: #SASI_Hs01_00079033, siPHF8-3, SASI_Hs01_00079032). siE2F4 was purchased from ThermoFisher Scientific (#114193 siE2F4-1 and #114194 siE2F4-2). Control siRNAs (siScrambled) were from Invitrogen (siScr-1: #12935–300, siScr-2: #12935112, siScr-3: #12935113). Plasmid overexpression was achieved with the Neon electroporation system (Invitrogen). The plasmid PHF8 (vector: pcDNA3) was kindly provided by Shi Yang (Harvard Medical School, Department of Cell Biology) [13 (link)], E2F1 and E2F4 (vector: pcDNA3) plasmids were from Addgene (24225# and #10914).
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2

Efficient Knockdown and Overexpression in Endothelial Cells

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For shRNA treatment, endothelial cells were infected with lentiviral particles according to Addgene “plKO.1 Protocol” (http://www.addgene.org/tools/protocols/plko/). Cells were selected with puromycin (0.5 µg/ml). The shFlot-1A target sequence was: 5′-CAGAGAAGUCCCAACUAAUUA-3′, for shFlot-1B 5′-CUGCUUGGCUUUAGCUUCCCG-3′ and for m-shFlot-1 CAGGATTACTTACACTCGTTA. Unless otherwise noted, all experiments were performed with shFlot-1A. Target sequence for shFlot-2 was 5′-GUGCAGAGAGAUGCUGACAUU-3′. Control shRNA against green fluorescent protein (shGFP) and shScrambled (shScr) were from Addgene. For siRNA treatment, endothelial cells (80–90 % confluent) were transfected with GeneTrans II according to the instructions provided by MoBiTec (Göttingen, Germany). All siRNAs (Stealth RNAi) were from Invitrogen. siScrambled (siScr) was used as a negative control. Plasmid overexpression was achieved with the neon electroporation system (Invitrogen). The plasmids pFlot-1-GFP-N1 and pFlot-2-GFP-N1 have been described earlier [30 (link)]. Control plasmid mCherry-N1 was from Clontech. Two siRNAs and shRNAs were used to exclude that unspecific effects of an individual approach mediated the effects observed.
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