Cited by 63CRISPR and Genetic EngineeringVirus-based gene therapy researchAnimal Genetics and Reproduction

Generation of CRISPR–Cas9-mediated genetic knockout human intestinal tissue–derived enteroid lines by lentivirus transduction and single-cell cloning

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Lin, Shih-Ching, Haga, Kei, Zeng, Xi-Lei, Estes, Mary K.·2022·Nature Protocols

Abstract

Human intestinal tissue-derived enteroids (HIEs; also called organoids) are a powerful ex vivo model for gastrointestinal research. Genetic modification of these nontransformed cultures allows new insights into gene function and biological processes involved in intestinal diseases as well as gastrointestinal and donor segment-specific function. Here we provide a detailed technical pipeline and protocol for using the CRISPR-Cas9 genome editing system to knock out a gene of interest specifically in HIEs by lentiviral transduction and single-cell cloning. This protocol differs from a previously published alternative using electroporation of human colonoids to deliver piggyback transposons or CRISPR-Cas9 constructs, as this protocol uses a modified, fused LentiCRISPRv2-small-guiding RNA to express Cas9 and small-guiding RNA in a lentivirus. The protocol also includes the steps of gene delivery and subsequent single-cell cloning of the knockout cells as well as verification of clones and sequence identification of the mutation sites to establish knockout clones. An overview flowchart, step-by-step guidelines and troubleshooting suggestions are provided to aid the researcher in obtaining the genetic knockout HIE line within 2-3 months. In this protocol, we further describe how to use HIEs as an ex vivo model to assess host restriction factors for viral replication (using human norovirus replication as an example) by knocking out host attachment factors or innate immunity genes. Other applications are discussed to broaden the utility of this system, for example, to generate knockin or conditional knockout HIE lines to investigate the function of essential genes in many biological processes including other types of organoids.

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Crossref · 10.1038/s41596-021-00669-0

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  • Delivery of next-generation CRISPR tools by lentivirus or ribonucleoprotein complexes may be a suitable alternative strategy to DNA mutations in adult stem cells.

    “Thus, delivery of next-generation CRISPR tools by lentivirus or ribonucleoprotein complexes may be a suitable alternative strategy to DNA mutations in adult stem cells.54,55,56”

    From Protocol to create isogenic disease models from adult stem cell-derived organoids using next-generation CRISPR tools (2024) · cites this paper as [55]

    The Introduction’s ‘Comparison with other genome modification methods’ section describes lentiviral delivery of Cas9 and sgRNA into human intestinal enteroids for genome editing. The paper does not establish ribonucleoprotein-complex delivery or the broader claim about next-generation tools in adult stem cells. Page numbers were not available in our copy. (LLM, conf=0.83)

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  • Viral methods have associated biosafety and permanent integration issues, whereas non-viral methods are simpler and minimise the time required for production of viral particles.

    “However, viral methods have associated biosafety and permanent integration issues, whereas non-viral methods are simpler, minimising the time required for the production of the viral particles, which can take up to 2-3 months (Lin et al., 2022).”

    From Efficient genetic editing of human intestinal organoids using ribonucleoprotein-based CRISPR (2023) · cites this paper as Lin et al., 2022

    The Introduction’s “Comparison with other genome modification methods” section says electroporation avoids the labor and time needed to produce lentivirus. It does not identify biosafety or permanent integration as problems, and says lentiviral transduction can be easier in laboratories without the specified screening methods. The Timing section gives lentivirus packaging and concentration steps lasting days, not 2–3 months (page numbers unavailable). (LLM, conf=0.89)

    Experimental — accuracy not yet measured
  • CRISPR-Cas9 genome engineering via lentiviral transduction requires multiple time-consuming steps including cloning a single guide RNA into a plasmid vector, generation of lentivirus particles and transduction of the target cell.

    “CRISPR-Cas9 genome engineering via lentiviral transduction is an effective method but requires multiple time-consuming steps including cloning a single guide RNA (sgRNA) into a plasmid vector, generation of lentivirus particles and transduction of the target cell, commonly taking 2–3 months in total.2”

    From Generation and immunofluorescent validation of gene knockouts in adult human colonic organoids using multi-guide RNA CRISPR-Cas9 (2023) · cites this paper as [2]

    The Procedure (Parts 1–3) describes cloning an sgRNA into a lentiviral vector, producing lentivirus, and transducing human intestinal enteroids. The Timing and Procedure sections also show that establishing and verifying a knockout enteroid line takes weeks, but they do not establish that lentiviral genome engineering commonly takes 2–3 months across target-cell types; that timing includes selection and single-cell cloning in this specific protocol. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • CRISPR-Cas9 genome engineering via lentiviral transduction commonly takes 2-3 months in total.

    “CRISPR-Cas9 genome engineering via lentiviral transduction is an effective method but requires multiple time-consuming steps including cloning a single guide RNA (sgRNA) into a plasmid vector, generation of lentivirus particles and transduction of the target cell, commonly taking 2–3 months in total.2”

    From Generation and immunofluorescent validation of gene knockouts in adult human colonic organoids using multi-guide RNA CRISPR-Cas9 (2023) · cites this paper as [2]

    The Timing sections describe sgRNA-vector preparation, lentivirus packaging and transduction, followed by weeks of selection, single-cell cloning and clone verification—consistent with a roughly 2–3-month process for knockout human intestinal enteroid lines. The source does not establish that CRISPR–Cas9 engineering by lentiviral transduction commonly takes that long across other cell types or protocols. The indexed passages have no page numbers. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • CRISPR-Cas9 genome engineering via lentiviral transduction is an effective method.

    “CRISPR-Cas9 genome engineering via lentiviral transduction is an effective method but requires multiple time-consuming steps including cloning a single guide RNA (sgRNA) into a plasmid vector, generation of lentivirus particles and transduction of the target cell, commonly taking 2–3 months in total.2”

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Research works printed but not linked: 2

  1. [12]Lin SC Human norovirus exhibits strain-specific sensitivity to host interferon pathways in human intestinal enteroids. Proc. Natl Acad. Sci. USA 117, 23782– 23793 (2020). 32907944 PMC7519316
  2. [15]Haga K Genetic manipulation of human intestinal enteroids demonstrates the necessity of a functional fucosyltransferase 2 gene for secretor-dependent human norovirus infection. mBio 11, e00251– 20 (2020). 32184242 PMC7078471

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Authors
Lin, S.-C., Haga, K., Zeng, X.-L., & Estes, M. K.
Affiliations
  • Baylor College of Medicine (US)
  • Kitasato University (JP)
Corresponding author
Estes, Mary K.
Venue
Nature Protocols
Published
2022-02-23
Volume
17
Issue
4
Pages
1004-1027
ISSN
  • 1750-2799 (ISSN-L)
  • 1754-2189
OpenAlex
W4213458344
Cited by
63
References
55
Citations by year
2026: 10 · 2025: 13 · 2024: 19 · 2023: 15 · 2022: 6
FWCI
1.38
Type
journal article
Language
en
Open access
Locations
  • Nature Protocols (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • Digital Commons-TMC (Texas Medical Center) (submittedVersion)
Funders
  • U.S. Department of Health & Human Services | NIH | National Institute of Allergy and Infectious Diseases (PO1AI057788, U19AI116497, U19AI144297, HHSN2722017000381)
  • U.S. Department of Health & Human Services | NIH | National Institute of Diabetes and Digestive and Kidney Diseases (P30DK56338)
  • Cancer Prevention and Research Institute of Texas (RP160283, RP17005)
  • U.S. Department of Health & Human Services | NIH | National Cancer Institute (CA125123)
  • U.S. Department of Health & Human Services | NIH | National Institute of Environmental Health Sciences (P30ES030285, P42ES0327725)
  • John S. Dunn Foundation
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › CRISPR and Genetic Engineering
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Virus-based gene therapy research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Animal Genetics and Reproduction
Keywords
human intestinal enteroids, organoids, CRISPR/Cas9 genome editing, lentiviral transduction, single-cell cloning, gene knockout, host restriction factors, innate immunity, intestinal diseases, ex vivo model
MeSH terms
Gene Editing, RNA, Guide, CRISPR-Cas Systems, Clone Cells, Cloning, Molecular, Humans, Lentivirus, RNA, Guide, Kinetoplastida, Gene Knockout Techniques, CRISPR-Cas Systems

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