Name: CIRCLE-Seq voor ondervraging van off-target genbewerking (Video) | JoVE Journal
Uploaded: 2024-11-01T13:30:00.000+00:00
Duration: 8 min 23 s
Description: Ontdek CIRCLE-seq voor het identificeren van off-target cleavage-sites in CRISPR-Cas9 genbewerking. Deze methode verbetert de veiligheid van gentherapieën door onbedoelde genoomwijzigingen op te sporen.

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<meta charset="utf8"></head><body>Off-target CRISPR-Cas9-splitsingsgebeurtenissen detecteren met CIRCLE-Seq

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<li>Wienert, B., Wyman, S. K., Yeh, C. D., Conklin, B. R., Corn, J. E. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/pubmed?term=((CRISPR+off-target+detection+with+DISCOVER-seq%5BTitle%5D)+AND+%22Nat+Protoc%22%5BJournal%5D)">CRISPR off-target detection with DISCOVER-seq.</a> Nat Protoc. 15 (5), 1775-1799 (2020).</li>
<li>Guo, C., Ma, X., Gao, F., Guo, Y. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/pubmed?term=((Off-target+effects+in+CRISPR%2FCas9+gene+editing%5BTitle%5D)+AND+%22Front+Bioeng+Biotechnol%22%5BJournal%5D)">Off-target effects in CRISPR/Cas9 gene editing.</a> Front Bioeng Biotechnol. 11, 1143157(2023).</li>
<li>Conant, D., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/pubmed?term=((Inference+of+CRISPR+edits+from+Sanger+trace+data%5BTitle%5D)+AND+%22CRISPR+J%22%5BJournal%5D)">Inference of CRISPR edits from Sanger trace data.</a> CRISPR J. 5 (1), 123-130 (2022).</li>
<li>Lazzarotto, C. R., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/pubmed?term=((Defining+CRISPR-Cas9+genome-wide+nuclease+activities+with+CIRCLE-seq%5BTitle%5D)+AND+%22Nat+Protoc%22%5BJournal%5D)">Defining CRISPR-Cas9 genome-wide nuclease activities with CIRCLE-seq.</a> Nat Protoc. 13 (11), 2615-2642 (2018).</li>
<li>Butterfield, K. T., McGrath, P. S., Han, C. M., Kogut, I., Bilousova, G. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/pubmed?term=((Generation+of+an+induced+pluripotent+stem+cell+line+with+the+constitutive+EGFP+reporter%5BTitle%5D)+AND+%22Methods+Mol+Biol%22%5BJournal%5D)">Generation of an induced pluripotent stem cell line with the constitutive EGFP reporter.</a> Methods Mol Biol. 2155, 11-21 (2020).</li>
<li>Hayashi, H., Kubo, Y., Izumida, M., Matsuyama, T. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/pubmed?term=((Efficient+viral+delivery+of+Cas9+into+human+safe+harbor%5BTitle%5D)+AND+%22Sci+Rep%22%5BJournal%5D)">Efficient viral delivery of Cas9 into human safe harbor.</a> Sci Rep. 10 (1), 21474(2020).</li>
<li>Kogut, I., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/pubmed?term=((High-efficiency+RNA-based+reprogramming+of+human+primary+fibroblasts%5BTitle%5D)+AND+%22Nat+Commun%22%5BJournal%5D)">High-efficiency RNA-based reprogramming of human primary fibroblasts.</a> Nat Commun. 9 (1), 745(2018).</li>
<li>Kariko, K., Buckstein, M., Ni, H., Weissman, D. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/pubmed?term=((Suppression+of+RNA+recognition+by+Toll-like+receptors%3A+The+impact+of+nucleoside+modification+and+the+evolutionary+origin+of+RNA%5BTitle%5D)+AND+%22Immunity%22%5BJournal%5D)">Suppression of RNA recognition by Toll-like receptors: The impact of nucleoside modification and the evolutionary origin of RNA.</a> Immunity. 23 (2), 165-175 (2005).</li>
<li>Bao, X. R., Pan, Y., Lee, C. M., Davis, T. H., Bao, G. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/pubmed?term=((Tools+for+experimental+and+computational+analyses+of+off-target+editing+by+programmable+nucleases%5BTitle%5D)+AND+%22Nat+Protoc%22%5BJournal%5D)">Tools for experimental and computational analyses of off-target editing by programmable nucleases.</a> Nat Protoc. 16 (1), 10-26 (2021).</li>
<li>Cromer, M. K., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/pubmed?term=((Comparative+analysis+of+CRISPR+off-target+discovery+tools+following+ex+vivo+editing+of+CD34%28%2B%29+hematopoietic+stem+and+progenitor+cells%5BTitle%5D)+AND+%22Mol+Ther%22%5BJournal%5D)">Comparative analysis of CRISPR off-target discovery tools following ex vivo editing of CD34(+) hematopoietic stem and progenitor cells.</a> Mol Ther. 31 (4), 1074-1087 (2023).</li>
</ol>

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circle-seq voor ondervraging van off-target genbewerking

CIRCLE-Seq for Interrogation of Off-Target Gene Editing

CIRCLE-Seq voor ondervraging van off-target genbewerking

Circularization for In Vitro Reporting of Cleavage Effects by Sequencing (CIRCLE-seq) is a novel technique developed for the impartial identification of ...

circle-seq-for-interrogation-of-off-target-gene-editing

Research

JoVE Journal

Genetics

Genetica

Genoombewerkingstools zoals het CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats)/Cas (CRISPR-associated) systeem hebben de efficiëntie van gentargeting in humane geïnduceerde pluripotente stamcellen (hiPSC's) aanzienlijk verbeterd. Dit manuscript beschrijft een protocol voor het genereren van een lijnspecifiek hiPSC-reporter met behulp van CRISPR/Cas systeem-ondersteunde homologe recombinatie.

Efficiënte generatie van iPSC Neural Lineage Specifieke Knockin Reporters Met de CRISPR / Cas9 en Cas9 Double Nickase System

Dit protocol beschrijft de workflow van een CRISPR/Cas9 gebaseerde gen bewerken systeem voor de reparatie van puntmutaties in zoogdiercellen. Hier, gebruiken wij een combinatorische benadering voor het gen bewerken met een gedetailleerde opvolgzuigelingenvoeding experimentele strategie voor het meten van indel vorming op de doelsite — Kortom, het analyseren van on-site mutagenese.

Een standaard methodiek te onderzoeken ter plaatse mutageniteit als een functie van punt mutatie reparatie gekatalyseerd door CRISPR/Cas9 en SsODN in menselijke cellen

Gerichte gene bewerken met behulp van CRISPR/Cas9, heeft het inzicht in de biologische functies van genen aanzienlijk vergemakkelijkt. Hier, gebruiken we de methode van de CRISPR/Cas9 voor model calreticulin mutaties in cytokine-afhankelijke hematopoietische cellen om hun oncogene activiteit te bestuderen.

Met behulp van CRISPR/Cas9 Gene bewerken om te onderzoeken de oncogene activiteit van Mutant Calreticulin in Cytokine afhankelijke hematopoietische cellen

Met behulp van een voorgemonteerd Cas9 is ribonucleoprotein complex (RNP) een krachtige methode voor het bewerken van nauwkeurige en efficiënte genoom. Hier, wijzen wij op het nut ervan over een breed scala van cellen en organismen, met inbegrip van de primaire menselijke cellen en beide klassieke en opkomende modelorganismen.

Verbeterde genoom bewerken met Cas9 Ribonucleoprotein in verschillende cellen en organismen

CRISPR-Cas is een krachtige technologie om ingenieur van het complex genoom van planten en dieren. Hier, detail we een protocol bij het menselijk genoom met behulp van verschillende Cas enzym efficiënt te bewerken. We benadrukken belangrijke overwegingen en ontwerpparameters bewerken efficiëntie te optimaliseren.

Genoom bewerken in zoogdieren cellijnen met behulp van CRISPR-Cas

Dit protocol beschrijft de stappen die nodig zijn voor het genereren van een modelsysteem waarin de transcriptie van een endogene gen van belang voorwaardelijk kan worden gecontroleerd in de levende dieren of cellen met behulp van verbeterde lac -onderdrukker en/of tet activator systemen.

In vivo toepassing van het systeem van de afstandsbediening voor de manipulatie van de endogene genexpressie

Het doel van dit protocol is om naadloze CRISPR/Cas9-bewerking van het C. elegans-genoom mogelijk te maken met behulp van geassembleerde ribonucleoproteïnecomplexen en de dpy-10 co-CRISPR-marker voor screening. Dit protocol kan worden gebruikt om een verscheidenheid aan genetische modificaties in C. elegans te maken, waaronder inserties, deleties, genvervangingen en codonsubstituties.

CRISPR/Cas9 Editing van het C. elegans rbm-3.2 Gen met behulp van de dpy-10 Co-CRISPR Screening Marker en Geassembleerde Ribonucleoproteïne Complexen.

Dit protocol beschrijft een high-throughput clustered regular interspaced short palindromic repeats (CRISPR) genbewerkingsworkflow voor microRNA-clusternetwerkanalyse die de snelle generatie van een panel van genetisch gemodificeerde cellijnen met unieke miRNA-clusterliddeletiecombinaties zo groot als 35 kb binnen een enkel experiment mogelijk maakt.

CRISPR Gene Editing Tool voor MicroRNA Cluster Network Analyse

Hier presenteren we een protocol dat CRISPR/Cas9-technologie integreert met de Cell Counting Kit-8 (CCK-8)-test om kandidaatgenen te identificeren die cruciaal zijn voor de abnormale proliferatieve capaciteit van hematopoëtische stam- en voorlopercellen.

Evaluatie van abnormale groeigerelateerde genen van hematopoëtische stam- en voorlopercellen door CRISPR/Cas9-technologie te combineren met celtelling

De efficiëntie van de Improved Genome Editing via Oviductal Nucleic Acids Delivery (I-GONAD)-methode is vergelijkbaar met traditionele micro-injectie, waarbij zygoten moeten worden verzameld bij donorvrouwtjes en moeten worden overgedragen aan pseudo-zwangere vrouwtjes. Dit protocol demonstreert zijn effectiviteit door CRISPR/Cas9-geïnduceerde mutaties te introduceren in de ROSA26-locus op chromosoom 6.

Verbeterde genoombewerking via oviductale nucleïnezuren Op levering gebaseerde in vivo elektroporatietechniek voor het genereren van knock-out muizen

De afgifte van genoomredacteuren als RNA's is een bijzonder krachtig middel om de genomen van primaire zoogdiercellen en cellijnen te modificeren. Het doel van dit protocol is om genoomeditoren als mRNA te leveren in primaire zoogdiercellen en cellenlijnen, gevolgd door gerichte Illumina-sequencing en analyse om bewerkingsuitkomsten te kwantificeren.

Genoombewerking in primaire zoogdiercellen via elektroporatie van editor-RNA

Ontdek CIRCLE-seq voor het identificeren van off-target cleavage-sites in CRISPR-Cas9 genbewerking. Deze methode verbetert de veiligheid van gentherapieën door onbedoelde genoomwijzigingen op te sporen.

CIRCLE-Seq voor ondervraging van off-target genbewerking

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