Review



dcas9 vp64  (Addgene inc)


Bioz Verified Symbol Addgene inc is a verified supplier  
  • Logo
  • About
  • News
  • Press Release
  • Team
  • Advisors
  • Partners
  • Contact
  • Bioz Stars
  • Bioz vStars
  • 93

    Structured Review

    Addgene inc dcas9 vp64
    Dcas9 Vp64, supplied by Addgene inc, used in various techniques. Bioz Stars score: 93/100, based on 68 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/pcdna+dcas9+vp64+plasmid/pcDNA-dCas9-VP64+(Plasmid+%2347107)/pmc12706070-625-7-12
    Average 93 stars, based on 68 article reviews
    dcas9 vp64 - by Bioz Stars, 2026-10
    93/100 stars

    Images

    Related Articles

    Sequencing:

    Article Title: Efficient activation of hundreds of LTR12C elements reveals cis -regulatory function determined by distinct epigenetic mechanisms
    Article Snippet: pPlatTET-gRNA2 (Addgene #82559) plasmid served as a source vector to create dCas9-SunTag-VP64 and dCas9-SunTag-p300. .. The VP64 sequence was amplified from pcDNA-dCas9-VP64 plasmid (Addgene #47107) by polymerase chain reaction (PCR). .. The p300 sequence corresponding to amino acids 1048–1664 was amplified from pcDNA-dCas9-p300 core by PCR (Addgene #61357).

    Article Title: Highly efficient activation of endogenous gene in grape using CRISPR/dCas9-based transcriptional activators
    Article Snippet: To generate Fluc reporter vectors, the UFGT and CBF4 promoters were amplified from the pLB vectors and ligated into the pCAMBIA1302-Fluc vector, respectively, via homologous recombination (HR) using the ClonExpress II One Step Cloning Kit (Vazyme, China). .. To develop the dCas9-VP64 expression vector, the dCas9-VP64 coding sequence was amplified from the pcDNA-dCas9-VP64 plasmid (Addgene: #47107) using the primers dVP-121-F and dVP-121-R ( Supplementary Table S1 ) and ligated into the pBI121 vector in place of β-glucuronidase ( GUS ) gene through Bam HI and Sac I sites via HR. ..

    Article Title: Efficient activation of hundreds of LTR12C elements reveals cis-regulatory function determined by distinct epigenetic mechanisms.
    Article Snippet: pPlatTET-gRNA2 (Addgene #82559) plasmid served as a source vector to create dCas9-SunTag-VP64 and dCas9SunTag-p300. .. The VP64 sequence was amplified from pcDNA-dCas9-VP64 plasmid (Addgene #47107) by polymerase chain reaction (PCR). .. The p300 sequence corresponding to amino acids 1048–1664 was amplified from pcDNA-dCas9-p300 core by PCR (Addgene #61357).

    Amplification:

    Article Title: Efficient activation of hundreds of LTR12C elements reveals cis -regulatory function determined by distinct epigenetic mechanisms
    Article Snippet: pPlatTET-gRNA2 (Addgene #82559) plasmid served as a source vector to create dCas9-SunTag-VP64 and dCas9-SunTag-p300. .. The VP64 sequence was amplified from pcDNA-dCas9-VP64 plasmid (Addgene #47107) by polymerase chain reaction (PCR). .. The p300 sequence corresponding to amino acids 1048–1664 was amplified from pcDNA-dCas9-p300 core by PCR (Addgene #61357).

    Article Title: Highly efficient activation of endogenous gene in grape using CRISPR/dCas9-based transcriptional activators
    Article Snippet: To generate Fluc reporter vectors, the UFGT and CBF4 promoters were amplified from the pLB vectors and ligated into the pCAMBIA1302-Fluc vector, respectively, via homologous recombination (HR) using the ClonExpress II One Step Cloning Kit (Vazyme, China). .. To develop the dCas9-VP64 expression vector, the dCas9-VP64 coding sequence was amplified from the pcDNA-dCas9-VP64 plasmid (Addgene: #47107) using the primers dVP-121-F and dVP-121-R ( Supplementary Table S1 ) and ligated into the pBI121 vector in place of β-glucuronidase ( GUS ) gene through Bam HI and Sac I sites via HR. ..

    Article Title: Efficient activation of hundreds of LTR12C elements reveals cis-regulatory function determined by distinct epigenetic mechanisms.
    Article Snippet: pPlatTET-gRNA2 (Addgene #82559) plasmid served as a source vector to create dCas9-SunTag-VP64 and dCas9SunTag-p300. .. The VP64 sequence was amplified from pcDNA-dCas9-VP64 plasmid (Addgene #47107) by polymerase chain reaction (PCR). .. The p300 sequence corresponding to amino acids 1048–1664 was amplified from pcDNA-dCas9-p300 core by PCR (Addgene #61357).

    Plasmid Preparation:

    Article Title: Efficient activation of hundreds of LTR12C elements reveals cis -regulatory function determined by distinct epigenetic mechanisms
    Article Snippet: pPlatTET-gRNA2 (Addgene #82559) plasmid served as a source vector to create dCas9-SunTag-VP64 and dCas9-SunTag-p300. .. The VP64 sequence was amplified from pcDNA-dCas9-VP64 plasmid (Addgene #47107) by polymerase chain reaction (PCR). .. The p300 sequence corresponding to amino acids 1048–1664 was amplified from pcDNA-dCas9-p300 core by PCR (Addgene #61357).

    Article Title: Highly efficient activation of endogenous gene in grape using CRISPR/dCas9-based transcriptional activators
    Article Snippet: To generate Fluc reporter vectors, the UFGT and CBF4 promoters were amplified from the pLB vectors and ligated into the pCAMBIA1302-Fluc vector, respectively, via homologous recombination (HR) using the ClonExpress II One Step Cloning Kit (Vazyme, China). .. To develop the dCas9-VP64 expression vector, the dCas9-VP64 coding sequence was amplified from the pcDNA-dCas9-VP64 plasmid (Addgene: #47107) using the primers dVP-121-F and dVP-121-R ( Supplementary Table S1 ) and ligated into the pBI121 vector in place of β-glucuronidase ( GUS ) gene through Bam HI and Sac I sites via HR. ..

    Article Title: SPARCL1 promotes C2C12 cell differentiation via BMP7-mediated BMP/TGF-β cell signaling pathway.
    Article Snippet: When the cell density reached 70–80%, polyethylenimine (PEI, Sigma, St. Louis, MO, USA) was used for transfection. .. Cells were co-transfected with 2 μg of the recombinant plasmid and 2 μg of pcDNA-dCas9-VP64 plasmid (AddGene, Middlesex, UK) for 72 h. Incubation of recombinant plasmid and SP-dCas9-VPR plasmid using Opti-MEM (Invitrogen Gibco, USA) as an incubation solution. .. The method used for cell transfection was described by Fu et al.25 when the cell density reached 70–80%, each well in a 6-well plate was added with 7.5 μl of Lipofectamine 2000 (Invitrogen Gibco, USA), 117.5 μl of opti-MEM, and 10 μl of SiRNA or NC (negative control), and the Lipofectamine 2000 with SiRNA or NC were co-transfected into the cells.

    Article Title: Optical Control of Base Editing and Transcription through Light‐Activated Guide RNA
    Article Snippet: We developed a method to control gene activation and base editing in mammalian cells and zebrafish embryos via photochemically activated, caged guide RNAs.. Four evenly distributed, caged nucleobases are installed in the 5’-protospacer region of the gRNA to block interaction between the dCas9:gRNA complex and the dsDNA target.. Upon light activation, gRNA:dsDNA hybridization is restored and catalytically dead Cas9-based CRISPR activation or base editing is achieved.

    Article Title: SPARCL1 promotes C2C12 cell differentiation via BMP7-mediated BMP/TGF-β cell signaling pathway
    Article Snippet: When the cell density reached 70–80%, polyethylenimine (PEI, Sigma, St. Louis, MO, USA) was used for transfection. .. Cells were co-transfected with 2 μg of the recombinant plasmid and 2 μg of pcDNA-dCas9-VP64 plasmid (AddGene, Middlesex, UK) for 72 h. Incubation of recombinant plasmid and SP-dCas9-VPR plasmid using Opti-MEM (Invitrogen Gibco, USA) as an incubation solution. .. The method used for cell transfection was described by Fu et al. when the cell density reached 70–80%, each well in a 6-well plate was added with 7.5 μl of Lipofectamine 2000 (Invitrogen Gibco, USA), 117.5 μl of opti-MEM, and 10 μl of SiRNA or NC (negative control), and the Lipofectamine 2000 with SiRNA or NC were co-transfected into the cells.

    Article Title: Efficient activation of hundreds of LTR12C elements reveals cis-regulatory function determined by distinct epigenetic mechanisms.
    Article Snippet: pPlatTET-gRNA2 (Addgene #82559) plasmid served as a source vector to create dCas9-SunTag-VP64 and dCas9SunTag-p300. .. The VP64 sequence was amplified from pcDNA-dCas9-VP64 plasmid (Addgene #47107) by polymerase chain reaction (PCR). .. The p300 sequence corresponding to amino acids 1048–1664 was amplified from pcDNA-dCas9-p300 core by PCR (Addgene #61357).

    Polymerase Chain Reaction:

    Article Title: Efficient activation of hundreds of LTR12C elements reveals cis -regulatory function determined by distinct epigenetic mechanisms
    Article Snippet: pPlatTET-gRNA2 (Addgene #82559) plasmid served as a source vector to create dCas9-SunTag-VP64 and dCas9-SunTag-p300. .. The VP64 sequence was amplified from pcDNA-dCas9-VP64 plasmid (Addgene #47107) by polymerase chain reaction (PCR). .. The p300 sequence corresponding to amino acids 1048–1664 was amplified from pcDNA-dCas9-p300 core by PCR (Addgene #61357).

    Article Title: Efficient activation of hundreds of LTR12C elements reveals cis-regulatory function determined by distinct epigenetic mechanisms.
    Article Snippet: pPlatTET-gRNA2 (Addgene #82559) plasmid served as a source vector to create dCas9-SunTag-VP64 and dCas9SunTag-p300. .. The VP64 sequence was amplified from pcDNA-dCas9-VP64 plasmid (Addgene #47107) by polymerase chain reaction (PCR). .. The p300 sequence corresponding to amino acids 1048–1664 was amplified from pcDNA-dCas9-p300 core by PCR (Addgene #61357).

    Expressing:

    Article Title: Highly efficient activation of endogenous gene in grape using CRISPR/dCas9-based transcriptional activators
    Article Snippet: To generate Fluc reporter vectors, the UFGT and CBF4 promoters were amplified from the pLB vectors and ligated into the pCAMBIA1302-Fluc vector, respectively, via homologous recombination (HR) using the ClonExpress II One Step Cloning Kit (Vazyme, China). .. To develop the dCas9-VP64 expression vector, the dCas9-VP64 coding sequence was amplified from the pcDNA-dCas9-VP64 plasmid (Addgene: #47107) using the primers dVP-121-F and dVP-121-R ( Supplementary Table S1 ) and ligated into the pBI121 vector in place of β-glucuronidase ( GUS ) gene through Bam HI and Sac I sites via HR. ..

    Recombinant:

    Article Title: SPARCL1 promotes C2C12 cell differentiation via BMP7-mediated BMP/TGF-β cell signaling pathway.
    Article Snippet: When the cell density reached 70–80%, polyethylenimine (PEI, Sigma, St. Louis, MO, USA) was used for transfection. .. Cells were co-transfected with 2 μg of the recombinant plasmid and 2 μg of pcDNA-dCas9-VP64 plasmid (AddGene, Middlesex, UK) for 72 h. Incubation of recombinant plasmid and SP-dCas9-VPR plasmid using Opti-MEM (Invitrogen Gibco, USA) as an incubation solution. .. The method used for cell transfection was described by Fu et al.25 when the cell density reached 70–80%, each well in a 6-well plate was added with 7.5 μl of Lipofectamine 2000 (Invitrogen Gibco, USA), 117.5 μl of opti-MEM, and 10 μl of SiRNA or NC (negative control), and the Lipofectamine 2000 with SiRNA or NC were co-transfected into the cells.

    Article Title: SPARCL1 promotes C2C12 cell differentiation via BMP7-mediated BMP/TGF-β cell signaling pathway
    Article Snippet: When the cell density reached 70–80%, polyethylenimine (PEI, Sigma, St. Louis, MO, USA) was used for transfection. .. Cells were co-transfected with 2 μg of the recombinant plasmid and 2 μg of pcDNA-dCas9-VP64 plasmid (AddGene, Middlesex, UK) for 72 h. Incubation of recombinant plasmid and SP-dCas9-VPR plasmid using Opti-MEM (Invitrogen Gibco, USA) as an incubation solution. .. The method used for cell transfection was described by Fu et al. when the cell density reached 70–80%, each well in a 6-well plate was added with 7.5 μl of Lipofectamine 2000 (Invitrogen Gibco, USA), 117.5 μl of opti-MEM, and 10 μl of SiRNA or NC (negative control), and the Lipofectamine 2000 with SiRNA or NC were co-transfected into the cells.

    Incubation:

    Article Title: SPARCL1 promotes C2C12 cell differentiation via BMP7-mediated BMP/TGF-β cell signaling pathway.
    Article Snippet: When the cell density reached 70–80%, polyethylenimine (PEI, Sigma, St. Louis, MO, USA) was used for transfection. .. Cells were co-transfected with 2 μg of the recombinant plasmid and 2 μg of pcDNA-dCas9-VP64 plasmid (AddGene, Middlesex, UK) for 72 h. Incubation of recombinant plasmid and SP-dCas9-VPR plasmid using Opti-MEM (Invitrogen Gibco, USA) as an incubation solution. .. The method used for cell transfection was described by Fu et al.25 when the cell density reached 70–80%, each well in a 6-well plate was added with 7.5 μl of Lipofectamine 2000 (Invitrogen Gibco, USA), 117.5 μl of opti-MEM, and 10 μl of SiRNA or NC (negative control), and the Lipofectamine 2000 with SiRNA or NC were co-transfected into the cells.

    Article Title: SPARCL1 promotes C2C12 cell differentiation via BMP7-mediated BMP/TGF-β cell signaling pathway
    Article Snippet: When the cell density reached 70–80%, polyethylenimine (PEI, Sigma, St. Louis, MO, USA) was used for transfection. .. Cells were co-transfected with 2 μg of the recombinant plasmid and 2 μg of pcDNA-dCas9-VP64 plasmid (AddGene, Middlesex, UK) for 72 h. Incubation of recombinant plasmid and SP-dCas9-VPR plasmid using Opti-MEM (Invitrogen Gibco, USA) as an incubation solution. .. The method used for cell transfection was described by Fu et al. when the cell density reached 70–80%, each well in a 6-well plate was added with 7.5 μl of Lipofectamine 2000 (Invitrogen Gibco, USA), 117.5 μl of opti-MEM, and 10 μl of SiRNA or NC (negative control), and the Lipofectamine 2000 with SiRNA or NC were co-transfected into the cells.



    Similar Products

    93
    Addgene inc dcas9 vp64
    Dcas9 Vp64, supplied by Addgene inc, used in various techniques. Bioz Stars score: 93/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/pcdna+dcas9+vp64+plasmid/pcDNA-dCas9-VP64+(Plasmid+%2347107)/pmc12706070-625-7-12
    Average 93 stars, based on 1 article reviews
    dcas9 vp64 - by Bioz Stars, 2026-10
    93/100 stars
      Buy from Supplier

    93
    Addgene inc pcdna4 to dcas9 vp64
    Pcdna4 To Dcas9 Vp64, supplied by Addgene inc, used in various techniques. Bioz Stars score: 93/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/pcdna+dcas9+vp64+plasmid/pcDNA-dCas9-VP64+(Plasmid+%2347107)/bio_rxiv__2025__11__13__688218-150-16-29
    Average 93 stars, based on 1 article reviews
    pcdna4 to dcas9 vp64 - by Bioz Stars, 2026-10
    93/100 stars
      Buy from Supplier

    93
    Addgene inc general procedures6 pcdna dcas9 vp64
    General Procedures6 Pcdna Dcas9 Vp64, supplied by Addgene inc, used in various techniques. Bioz Stars score: 93/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/pcdna+dcas9+vp64+plasmid/pcDNA-dCas9-VP64+(Plasmid+%2347107)/pm29309117__cb7b00883_si_001-32-0-3
    Average 93 stars, based on 1 article reviews
    general procedures6 pcdna dcas9 vp64 - by Bioz Stars, 2026-10
    93/100 stars
      Buy from Supplier

    93
    Addgene inc addgene dcas9 vp64
    Addgene Dcas9 Vp64, supplied by Addgene inc, used in various techniques. Bioz Stars score: 93/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/pcdna+dcas9+vp64+plasmid/pcDNA-dCas9-VP64+(Plasmid+%2347107)/pmc12306969-223-12-12
    Average 93 stars, based on 1 article reviews
    addgene dcas9 vp64 - by Bioz Stars, 2026-10
    93/100 stars
      Buy from Supplier

    93
    Addgene inc pcdna dcas9 vp64
    Pcdna Dcas9 Vp64, supplied by Addgene inc, used in various techniques. Bioz Stars score: 93/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/pcdna+dcas9+vp64+plasmid/pcDNA-dCas9-VP64+(Plasmid+%2347107)/us12285496-816-24-25
    Average 93 stars, based on 1 article reviews
    pcdna dcas9 vp64 - by Bioz Stars, 2026-10
    93/100 stars
      Buy from Supplier

    93
    Addgene inc dcas9 vp64 plasmid
    Dcas9 Vp64 Plasmid, supplied by Addgene inc, used in various techniques. Bioz Stars score: 93/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/pcdna+dcas9+vp64+plasmid/pcDNA-dCas9-VP64+(Plasmid+%2347107)/pm39572642-258-1-11
    Average 93 stars, based on 1 article reviews
    dcas9 vp64 plasmid - by Bioz Stars, 2026-10
    93/100 stars
      Buy from Supplier

    93
    Addgene inc pcdna dcas9 vp64 plasmid
    Pcdna Dcas9 Vp64 Plasmid, supplied by Addgene inc, used in various techniques. Bioz Stars score: 93/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/pcdna+dcas9+vp64+plasmid/pcDNA-dCas9-VP64+(Plasmid+%2347107)/pmc11317136-32-6-8
    Average 93 stars, based on 1 article reviews
    pcdna dcas9 vp64 plasmid - by Bioz Stars, 2026-10
    93/100 stars
      Buy from Supplier

    93
    Addgene inc vp64 sequence
    The dCas9-SunTag-based CRISPRa systems induce LTR12C expression from proximal promoter regions. ( A ) Percentage of upregulated LTR families in human cell lines following 5-aza-CdR treatment. The four cell lines were treated with PBS (control) or 300 nM 5-aza-CdR for 24 h and harvested at 5 days after the treatment. The upregulated LTR copies [fold change (FC) >2 by comparison with PBS-treated human cell lines] are categorized into each LTR family. The top 10 most highly abundant LTR families are highlighted with distinct colors. ( B ) Schematics of dCas9 constructs and fusion proteins. The constructs contain dCas9, SunTags separated by 22-amino-acid linkers (Multi SunTag), 2A self-cleaving peptide (2A), single-chain variable fragment (ScFv), green fluorescence protein (GFP), <t>VP64/p300</t> and gRNA. The fusion proteins with single gRNA are inferred to transactivate multiple copies of LTR12C. ( C ) A sequence alignment of LTR12C elements deposited in the RepeatMasker database. Each row represents one LTR12C element. Heatmap indicates percent identity (0 to 90%); blank indicates gaps. Arrowhead indicates gRNA positions. Promoter and enhancer region is defined as 400 bp upstream region from TSS. ( D ) Relative expression of LTR12C based on reverse transcription qPCR (RT-qPCR) after transfection of the dCas9-SunTag-VP64 construct with represented gRNAs in HEK293T cells. Error bars represent standard error of the mean (SEM) from three independent biological replicates.
    Vp64 Sequence, supplied by Addgene inc, used in various techniques. Bioz Stars score: 93/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/pcdna+dcas9+vp64+plasmid/pcDNA-dCas9-VP64+(Plasmid+%2347107)/pmc11317136-32-1-8
    Average 93 stars, based on 1 article reviews
    vp64 sequence - by Bioz Stars, 2026-10
    93/100 stars
      Buy from Supplier

    Image Search Results


    The dCas9-SunTag-based CRISPRa systems induce LTR12C expression from proximal promoter regions. ( A ) Percentage of upregulated LTR families in human cell lines following 5-aza-CdR treatment. The four cell lines were treated with PBS (control) or 300 nM 5-aza-CdR for 24 h and harvested at 5 days after the treatment. The upregulated LTR copies [fold change (FC) >2 by comparison with PBS-treated human cell lines] are categorized into each LTR family. The top 10 most highly abundant LTR families are highlighted with distinct colors. ( B ) Schematics of dCas9 constructs and fusion proteins. The constructs contain dCas9, SunTags separated by 22-amino-acid linkers (Multi SunTag), 2A self-cleaving peptide (2A), single-chain variable fragment (ScFv), green fluorescence protein (GFP), VP64/p300 and gRNA. The fusion proteins with single gRNA are inferred to transactivate multiple copies of LTR12C. ( C ) A sequence alignment of LTR12C elements deposited in the RepeatMasker database. Each row represents one LTR12C element. Heatmap indicates percent identity (0 to 90%); blank indicates gaps. Arrowhead indicates gRNA positions. Promoter and enhancer region is defined as 400 bp upstream region from TSS. ( D ) Relative expression of LTR12C based on reverse transcription qPCR (RT-qPCR) after transfection of the dCas9-SunTag-VP64 construct with represented gRNAs in HEK293T cells. Error bars represent standard error of the mean (SEM) from three independent biological replicates.

    Journal: Nucleic Acids Research

    Article Title: Efficient activation of hundreds of LTR12C elements reveals cis -regulatory function determined by distinct epigenetic mechanisms

    doi: 10.1093/nar/gkae498

    Figure Lengend Snippet: The dCas9-SunTag-based CRISPRa systems induce LTR12C expression from proximal promoter regions. ( A ) Percentage of upregulated LTR families in human cell lines following 5-aza-CdR treatment. The four cell lines were treated with PBS (control) or 300 nM 5-aza-CdR for 24 h and harvested at 5 days after the treatment. The upregulated LTR copies [fold change (FC) >2 by comparison with PBS-treated human cell lines] are categorized into each LTR family. The top 10 most highly abundant LTR families are highlighted with distinct colors. ( B ) Schematics of dCas9 constructs and fusion proteins. The constructs contain dCas9, SunTags separated by 22-amino-acid linkers (Multi SunTag), 2A self-cleaving peptide (2A), single-chain variable fragment (ScFv), green fluorescence protein (GFP), VP64/p300 and gRNA. The fusion proteins with single gRNA are inferred to transactivate multiple copies of LTR12C. ( C ) A sequence alignment of LTR12C elements deposited in the RepeatMasker database. Each row represents one LTR12C element. Heatmap indicates percent identity (0 to 90%); blank indicates gaps. Arrowhead indicates gRNA positions. Promoter and enhancer region is defined as 400 bp upstream region from TSS. ( D ) Relative expression of LTR12C based on reverse transcription qPCR (RT-qPCR) after transfection of the dCas9-SunTag-VP64 construct with represented gRNAs in HEK293T cells. Error bars represent standard error of the mean (SEM) from three independent biological replicates.

    Article Snippet: The VP64 sequence was amplified from pcDNA-dCas9-VP64 plasmid (Addgene #47107) by polymerase chain reaction (PCR).

    Techniques: Expressing, Control, Comparison, Construct, Fluorescence, Sequencing, Reverse Transcription, Quantitative RT-PCR, Transfection

    The transactivation capacity of the dCas9-SunTag-VP64 system for LTR12C is higher than that of the dCas9-SunTag-p300 system. ( A ) Relative RNA expression of LTR12C and selected coding genes for RHOXF2B , IL1RN and OCT4 following represented CRISPRa as determined by RT-qPCR in HEK293T cells. Primers of LTR12C were designed at multiple loci. Error bars represent SEM from three independent biological replicates. P -values were calculated using the two-tailed Student’s t -test: *** P < 0.001. ( B ) The volcano plots show expression changes of LTR copies (not only LTR12C) after transfection of represented constructs with LTR12C-targeting gRNA in HEK293T cells. The log 2 FC values and −log 10 ( P -value) were calculated by comparison with expression of LTR copies in cells transfected with constructs expressing nontargeting gRNA. Dashed lines are the threshold of the two-tailed Wilcoxon signed-rank test P -value <0.05 (horizontal) or FC > 2 (vertical). The red (upper-right area) and blue (upper-left area) points represent upregulated and downregulated LTR copies with statistical significance, respectively. The pie charts show percentage of the upregulated LTR copies in each LTR family. The top five most highly abundant LTR families are highlighted with distinct colors. ( C ) The distribution of expression level (RPKM) of LTR12C in the represented groups in HEK293T cells. ‘All LTR12C’ refers to LTR12C copies that were deposited in RepeatMasker. Each box represents the data between the 25th and 75th quartiles. The whiskers are drawn down to the 10th percentile and up to the 90th percentile. White bars indicate median values. Adjusted P -values were calculated using Mann–Whitney U test and Holm’s method: *** P < 0.001. ( D ) LTR12C copies overlapping among upregulated LTR12C by dCas9-SunTag-VP64, dCas9-SunTag-p300 and 5-aza-CdR in HEK293T cells.

    Journal: Nucleic Acids Research

    Article Title: Efficient activation of hundreds of LTR12C elements reveals cis -regulatory function determined by distinct epigenetic mechanisms

    doi: 10.1093/nar/gkae498

    Figure Lengend Snippet: The transactivation capacity of the dCas9-SunTag-VP64 system for LTR12C is higher than that of the dCas9-SunTag-p300 system. ( A ) Relative RNA expression of LTR12C and selected coding genes for RHOXF2B , IL1RN and OCT4 following represented CRISPRa as determined by RT-qPCR in HEK293T cells. Primers of LTR12C were designed at multiple loci. Error bars represent SEM from three independent biological replicates. P -values were calculated using the two-tailed Student’s t -test: *** P < 0.001. ( B ) The volcano plots show expression changes of LTR copies (not only LTR12C) after transfection of represented constructs with LTR12C-targeting gRNA in HEK293T cells. The log 2 FC values and −log 10 ( P -value) were calculated by comparison with expression of LTR copies in cells transfected with constructs expressing nontargeting gRNA. Dashed lines are the threshold of the two-tailed Wilcoxon signed-rank test P -value <0.05 (horizontal) or FC > 2 (vertical). The red (upper-right area) and blue (upper-left area) points represent upregulated and downregulated LTR copies with statistical significance, respectively. The pie charts show percentage of the upregulated LTR copies in each LTR family. The top five most highly abundant LTR families are highlighted with distinct colors. ( C ) The distribution of expression level (RPKM) of LTR12C in the represented groups in HEK293T cells. ‘All LTR12C’ refers to LTR12C copies that were deposited in RepeatMasker. Each box represents the data between the 25th and 75th quartiles. The whiskers are drawn down to the 10th percentile and up to the 90th percentile. White bars indicate median values. Adjusted P -values were calculated using Mann–Whitney U test and Holm’s method: *** P < 0.001. ( D ) LTR12C copies overlapping among upregulated LTR12C by dCas9-SunTag-VP64, dCas9-SunTag-p300 and 5-aza-CdR in HEK293T cells.

    Article Snippet: The VP64 sequence was amplified from pcDNA-dCas9-VP64 plasmid (Addgene #47107) by polymerase chain reaction (PCR).

    Techniques: RNA Expression, Quantitative RT-PCR, Two Tailed Test, Expressing, Transfection, Construct, Comparison, MANN-WHITNEY

    The off-target events by single gRNA-based dCas9-SunTag-VP64 were limited. ( A ) Percentage of dCas9-HA binding LTR families represented among the LTRs upregulated after dCas9-SunTag-VP64-based CRISPRa in HEK293T cells, as detected in Figure , left panel. ( B ) Representative genomic regions showing LTR12C-specific transactivation in HEK293T cells. The track views represent RNA expression based on RNA-seq (upper) and dCas9-HA binding sites based on ChIP-seq (lower). Green (bottom) bars indicate genomic position of retrotransposons with their strand orientation. Arrowhead (blue) on the retrotransposons indicates gRNA targeting sites with one mismatch. Arrowhead (green) on the track view indicates poly(A) signal site. ( C ) Representative genomic region comprising LTR12C and other retrotransposons that gained robust expression in HEK293T cells.

    Journal: Nucleic Acids Research

    Article Title: Efficient activation of hundreds of LTR12C elements reveals cis -regulatory function determined by distinct epigenetic mechanisms

    doi: 10.1093/nar/gkae498

    Figure Lengend Snippet: The off-target events by single gRNA-based dCas9-SunTag-VP64 were limited. ( A ) Percentage of dCas9-HA binding LTR families represented among the LTRs upregulated after dCas9-SunTag-VP64-based CRISPRa in HEK293T cells, as detected in Figure , left panel. ( B ) Representative genomic regions showing LTR12C-specific transactivation in HEK293T cells. The track views represent RNA expression based on RNA-seq (upper) and dCas9-HA binding sites based on ChIP-seq (lower). Green (bottom) bars indicate genomic position of retrotransposons with their strand orientation. Arrowhead (blue) on the retrotransposons indicates gRNA targeting sites with one mismatch. Arrowhead (green) on the track view indicates poly(A) signal site. ( C ) Representative genomic region comprising LTR12C and other retrotransposons that gained robust expression in HEK293T cells.

    Article Snippet: The VP64 sequence was amplified from pcDNA-dCas9-VP64 plasmid (Addgene #47107) by polymerase chain reaction (PCR).

    Techniques: Binding Assay, RNA Expression, RNA Sequencing, ChIP-sequencing, Expressing