Amelioration of HB in F9 mutant mice through naked DNA injection of Cas9 components Amelioration of HB in F9 mutant mice through naked DNA injection of.

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Amelioration of HB in F9 mutant mice through naked DNA injection of Cas9 components Amelioration of HB in F9 mutant mice through naked DNA injection of Cas9 components Schematic diagram of plasmids used for treatment in vivo. Cas9 protein and sgRNA were from pX458 vector. The plasmid donor was 800 bp in length in pEASY vector. The ssODN donor was 120 oligonucleotides.Test of clotting activity by aPTT and PT at 8 weeks following hydrodynamic tail vein injection of 120 μg pX458 and 120 μg donor plasmids (or 120 μg ssODN) per mouse. Data are presented as mean ± SE. The experiment was replicated three times. P?value was determined using two‐tailed unpaired Student's t‐test.Survival rate of mice after the tail‐clip challenge. F9Y381D mice were treated with or without Cas9/sgRNA/donor DNA for 3 months. After tail‐clip challenge, the survival rate of each group over 2 days was determined. Wild‐type, n = 9; untreated F9Y381D, n = 13; DNA‐treated F9Y381D, n = 14.Frequency of genetic modification in F9Y381D hepatocytes was determined either by deep sequencing (Cas9/donor vector‐treated group) or by TA‐clone sequencing (Cas9/ssODN group).HDR donor design for correction of Y381D and representative Illumina sequencing reads (rn) in DNA‐treated HB mice. Red text indicates the correction of mutation, whereas blue text indicates the synonymous mutations.The genome editing efficiency of individual mice is presented.Plasma aspartate aminotransferase (AST) and alanine aminotransferase (ALT) level was determined in F9Y381D mice 8 weeks after HTV injection (n = 5). Data are presented as mean ± SE. P?value was determined using two‐tailed unpaired Student's t‐test.mRNA levels of inflammatory cytokines from liver tissue of naked DNA‐treated mice were determined by real‐time PCR. Data represent means ± SE. The experiment was replicated three times. P?value was determined using two‐tailed unpaired Student's t‐test. Yuting Guan et al. EMBO Mol Med. 2016;8:477-488 © as stated in the article, figure or figure legend