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    Compositions for Inducing Modifications of Target Endogenous Nucleic Acid Sequences in Nucleuses of Eukaryotic Cells
    11.
    发明申请
    Compositions for Inducing Modifications of Target Endogenous Nucleic Acid Sequences in Nucleuses of Eukaryotic Cells 有权

    公开(公告)号：US20250146002A1

    公开(公告)日：2025-05-08

    申请号：US19013018

    申请日：2025-01-08

    Applicant: TOOLGEN INCORPORATED

    Inventor： Jin-Soo Kim ,  Seung Woo Cho ,  Sojung Kim

    IPC: C12N15/52 ,  C12N9/16 ,  C12N9/22 ,  C12N15/10 ,  C12N15/11 ,  C12N15/63 ,  C12N15/82 ,  C12N15/85 ,  C12N15/90

    Abstract: The present disclosure relates to targeted genome editing in eukaryotic cells or organisms. More particularly, the present disclosure provides for compositions and methods that may induce modifications in target endogenous nucleic acid sequences in nucleuses of eukaryotic cells. For example, disclosed here in is a method of introducing a site-specific, double-stranded break at a target nucleic acid sequence in a eukaryotic cell, the method comprising introducing into the eukaryotic cell a Type II Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR)/Cas system, wherein the CRISPR/Cas system comprises: a) a nucleic acid encoding a Cas9 polypeptide, wherein the Cas9 polypeptide comprises a nuclear localization signal, and b) a chimeric guide RNA comprising a CRISPR RNA (crRNA) portion fused to a trans activating crRNA (tracrRNA) portion, wherein the target nucleic acid sequence comprises a first strand having a region complementary to the crRNA portion of the chimeric guide RNA and a second strand having a trinucleotide protospacer adjacent motif (PAM), and whereby the site-specific, double-stranded break at the target nucleic acid sequence is introduced in the eukaryotic cell.

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