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  2. Exagamglogene autotemcel - Wikipedia

    en.wikipedia.org/wiki/Exagamglogene_autotemcel

    Exagamglogene autotemcel is the first cell-based gene therapy treatment utilizing CRISPR/Cas9 gene editing technology to be approved by the US Food and Drug Administration (FDA). [13] The most common side effects include low levels of platelets and white blood cells, mouth sores, nausea, musculoskeletal pain, abdominal pain, vomiting, febrile ...

  3. CRISPR - Wikipedia

    en.wikipedia.org/wiki/CRISPR

    Cas9 (or "CRISPR-associated protein 9") is an enzyme that uses CRISPR sequences as a guide to recognize and open up specific strands of DNA that are complementary to the CRISPR sequence. Cas9 enzymes together with CRISPR sequences form the basis of a technology known as CRISPR-Cas9 that can be used to edit genes within living organisms.

  4. Off-target genome editing - Wikipedia

    en.wikipedia.org/wiki/Off-target_genome_editing

    Multiple studies using early CRISPR-cas9 agents found that greater than 50% of RNA-guided endonuclease-induced mutations were not occurring on-target. [3] [7] The Cas9 guide RNA (gRNA) recognizes a 20 bp target DNA sequence, which it binds and cleaves to "edit" the DNA sequence. However, target sequence binding can tolerate mismatches up to ...

  5. CRISPR gene editing - Wikipedia

    en.wikipedia.org/wiki/CRISPR_gene_editing

    CRISPR-Cas9 genome editing techniques have many potential applications. The use of the CRISPR-Cas9-gRNA complex for genome editing [10] was the AAAS's choice for Breakthrough of the Year in 2015. [11] Many bioethical concerns have been raised about the prospect of using CRISPR for germline editing, especially in human embryos. [12]

  6. Cas9 - Wikipedia

    en.wikipedia.org/wiki/Cas9

    CRISPR/Cas9. In sgRNA-Cas9 complex, based on the crystal structure, REC1, BH and PI domains have important contacts with backbone or bases in both repeat and spacer region. [1] [30] Several Cas9 mutants including REC1 or REC2 domains deletion and residues mutations in BH have been tested. REC1 and BH related mutants show lower or none activity ...

  7. CRISPR activation - Wikipedia

    en.wikipedia.org/wiki/CRISPR_activation

    Cas9 Endonuclease Dead, also known as dead Cas9 or dCas9, is a mutant form of Cas9 whose endonuclease activity is removed through point mutations in its endonuclease domains. Similar to its unmutated form, dCas9 is used in CRISPR systems along with gRNAs to target specific genes or nucleotides complementary to the gRNA with PAM sequences that ...

  8. Human germline engineering - Wikipedia

    en.wikipedia.org/wiki/Human_germline_engineering

    The study claimed precise CRISPR/Cas9 and homology-directed repair response with high accuracy and precision. By modifying the cell cycle stage at which the DSB was induced, they were able to avoid mosaicism in cleaving embryos, prominent in earlier studies, and achieve a large percentage of homozygous embryos carrying the wild-type MYBPC3 gene ...

  9. Genome-wide CRISPR-Cas9 knockout screens - Wikipedia

    en.wikipedia.org/wiki/Genome-wide_CRISPR-Cas9...

    Targeted gene knockout using CRISPR/Cas9 requires the use of a delivery system to introduce the sgRNA and Cas9 into the cell. Although a number of different delivery systems are potentially available for CRISPR, [ 37 ] [ 38 ] genome-wide loss-of-function screens are predominantly carried out using third generation lentiviral vectors.

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