A kind of sgRNA guide sequence and its application of specific targeting mouse g6pc gene

A species-specific, mouse-based technology, applied in the fields of medical genetics and molecular biology, can solve the problems of lack of sgRNA guide sequence, knockout, etc., and achieve high-efficiency gene editing efficiency, increase the number, and improve the effect of cell transfection efficiency

Active Publication Date: 2021-04-06
GUILIN MEDICAL UNIVERSITY
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Problems solved by technology

However, there is currently no sgRNA guide sequence for the mouse G6pc gene and a method for knocking out the gene

Method used

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  • A kind of sgRNA guide sequence and its application of specific targeting mouse g6pc gene
  • A kind of sgRNA guide sequence and its application of specific targeting mouse g6pc gene
  • A kind of sgRNA guide sequence and its application of specific targeting mouse g6pc gene

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Embodiment Construction

[0079] The principles and features of the present invention will be described below in conjunction with specific drawings, and the examples given are only used to explain the present invention, not to limit the scope of the present invention.

[0080] 1. Screening of human G6PC gene pathogenic mutation sites, confirming that Arg at position 83 and Arg at position 170 of the human G6PC gene are potential mutation sites

[0081] Glycogen storage disease type I is caused by mutations in the G6PC gene, and 14 pathogenic mutations were screened using the OMIM online database (as shown in Table 1). Due to the limited mutation sites included in OMIM, the present invention also screened the function inactivation mutation of the human G6PC gene using the ExAC database, and screened 11 mutation sites in total (as shown in Table 2 and figure 1 shown). Then use the ClinVar database to retrieve and screen the 25 mutation sites to determine their mutational pathogenicity (such as figure ...

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Abstract

The invention discloses a sgRNA guide sequence specifically targeting mouse G6pc gene and application thereof, belonging to the technical fields of medical genetics and molecular biology. The nucleotide sequence corresponding to the sgRNA contains the sequence shown in SEQ ID NO.2, and the present invention also discloses a method for editing the mouse G6pc gene by using the above-mentioned sgRNA guide sequence specifically targeting the mouse G6pc gene. The sgRNA guide sequence of the present invention can mediate the Cas9 protein, efficiently cut target DNA, and then be used to edit the mouse G6pc gene and affect the function of the protein encoded by the mouse G6pc gene. The sgRNA guide sequence can achieve high-efficiency targeting through the CRISPR / Cas9 system, and the efficiency is 100%.

Description

technical field [0001] The invention relates to a sgRNA guide sequence specifically targeting mouse G6pc gene and application thereof, belonging to the technical fields of medical genetics and molecular biology. Background technique [0002] Clustered regularly interspaced short palindromic repeats (Clustered regularly interspaced shortpalindromic repeats, associated RNA guided endonuclease Cas, CRISPR / Cas) is an acquired immune defense system formed by bacteria and archaea in the long-term evolution process against foreign genetic material. Among them, the type II CRISPR / Cas9 system has a relatively simple structure and has been widely used for gene editing in various species through genetic engineering. The system consists of two components, Cas9 protein and sgRNA. The sgRNA binds to the complementary sequence of about 20 nt in genomic DNA through complementary base pairing, and mediates the HNH active site and RuvC active site of Cas9 protein to cut DNA. double strand, r...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N15/113C12N15/85C12N15/90C12N9/22A01K67/027
CPCA01K67/0275A01K2217/07A01K2227/105C12N9/22C12N15/113C12N15/85C12N15/907
Inventor 付灿于鸿浩岳鹏鹏李勇农月娟
Owner GUILIN MEDICAL UNIVERSITY
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