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:: Volume 27, Issue 4 (winter 2017) ::
MEDICAL SCIENCES 2017, 27(4): 223-236 Back to browse issues page
CRISPR/Cas9: high throughput genome editing molecular tool
Mohammad Reza Noori-Daloii * 1, Saeedeh Kavoosi 2, Nazanin Rahimi Rad 2
1- , nooridaloii@tums.ac.ir
2- msc Department of Medical Genetics, School of Medicine, Tehran University of Medical science, Tehran, Iran
Abstract:   (1521 Views)
Targeted genome editing by RNA-guided nucleases is a high throughput and facile approach which not only provides modifications, gene editing and functional studies for researchers, but also develops their knowledge about molecular basis of diseases and stablishes novel targeted therapies. Several platforms for molecular scissors that enable targeted genome engineering have been developed, including zinc-finger nucleases (ZFNs), transcription activation-like effector nucleases (TALENs) and clustered regularly interspaced palindromic repeats (CRISPR)/CRISPR-associated-9 (Cas9). Indeed CRISPR/Cas9 system is bacterial defensive system against viral invasions. Cas9 protein can be targeted to DNA sequences by accompanying single-strand RNA guide which base-pairs directly with target DNA to introduce modifications. Improvements are urgently needed for various aspects of system, including delivery and control over the outcome of the repair process. CRISPR/Cas9 holds enormous therapeutic potential for the treatment of genetic disorders by directly correcting disease causing mutations. Although the Cas9 protein has been shown to bind and cleave DNA at off-target sites the field of Cas9 specificity is rapidly progressing with marked improvements in guide RNA selection, novel enzymes and off-target detection methods. In this review we discuss history and different aspects of CRISPR/Cas9 including advances in specificity strategies for genome engineering, system delivery and control optimization on repair processes along with its implication for the future of biological researches and gene therapy.
 
Keywords: Genome editing, CRISPR/Cas9, Targeting specificity, Novel therapies.
Keywords: Genome editing, CRISPR/Cas9, Targeting specificity, Novel therapies.
Full-Text [PDF 473 kb]   (489 Downloads)    
Type of Study: Review | Subject: Genetic
Received: 2017/07/25 | Accepted: 2017/10/30 | Published: 2017/12/23
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Noori-Daloii M R, Kavoosi S, Rahimi Rad N. CRISPR/Cas9: high throughput genome editing molecular tool . MEDICAL SCIENCES. 2017; 27 (4) :223-236
URL: http://iau-tmuj.ir/article-1-1323-en.html


Volume 27, Issue 4 (winter 2017) Back to browse issues page
فصلنامه علوم پزشکی دانشگاه آزاد اسلامی واحد پزشکی تهران Medical Science Journal of Islamic Azad Univesity - Tehran Medical Branch
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