Searching journal content for articles similar to Jensen et al. 31 (11): 2120.

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  1. ...that balance biological relevance, sensitivity, and interpretability to ultimately answer a deceptively simple question: What TFs directly regulate the expression of my GOI?Cellular processes are regulated by transcription machinery binding the promoters and enhancers of target genes to activate gene...
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  2. ...to the expression of its target gene. Epigenetic repression with dCas9KRAB (CRISPRi) or activation with VP64dCas9VP64 (CRISPRa) at regulatory elements can alter gene expression when delivered to the enhancer of a target gene (McCutcheon et al. 2023). We transduced iPSC-CMs with lentivirus-expressing dCas9KRAB...
  3. ...with predicted target genes and disrupted transcription factor binding sites. CaQTLs identify threefold more GWAS colocalizations than liver expression QTLs (eQTLs) in a larger sample size, suggesting that caQTLs can detect mechanisms missed by eQTLs. At a GWAS signal colocalized with a caQTL and an e...
  4. ...the 22 impact of HIV-1 promoter activity on host chromatin accessibility downstream of the integration site, we used 23 sgRNA targeting HIV-1 promoter versus nontargeting controls (NT) with CRISPR-activation (CRISPRa) and 24 CRISPR-inhibition (CRISPRi) cell line clones. We examined whether activation...
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  5. ...(CRISPRi) and activation (CRISPRa) screens. (A) Distribution of phenotype scores (Gilbert et al. 2014) for sgRNAs targeting the top 500 essential genes and the control sgRNAs in CRISPRi experiments. The dashed line represents the threshold chosen to determine efficient and inefficient sgRNAs. (B) A bar...
  6. ...and Griffiths-Jones 2014; Frankish et al. 2015; Liu et al. 2017).Gene expression can be manipulated in a targeted fashion using CRISPR interference (CRISPRi) or CRISPR activation (CRISPRa), in which a catalytically dead Cas9 (dCas9) protein is fused with a transcriptional repressor or activator domain...
  7. ...with a catalytically inactive Cas9 fused to the transcriptional repressor KRAB, which results in gene repression). These benchmark data sets (CRISPRn-RT112, CRISPRn-UMUC3, and CRISPRi-RT112) were constructed based on 46 genes that are essential for cell survival and 47 genes that are nonessential. We first tested...
  8. ...RNAs. Through examining the unstranded targeted RNA-seq libraries covering all miRNA loci in 25 types of human tissues, we identified 7275 editing events located in 81% of the antisense strand of the miRNA loci, thus uncovering the previously unknown prevalent antisense transcription of the miRNAs. We found...
  9. ...RNA transcription rates. CRISPR-inhibition and activation (CRISPRi and CRISPRa, respectively) are two examples of Cas9-mediated activities to directly modulate gene transcription levels (Gilbert et al. 2013, 2014; Qi et al. 2013; Zalatan et al. 2015). These applications involve the coupling...
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