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Immunogenicity, off-target effects, mutations, delivery systems, and ethical issues are the main challenges that CRISPR technology faces. The safety concerns, ethical considerations, and the potential for misuse underscore the need for careful and responsible exploration of these technologies. [ 50 ]
For example, CRISPR allows researchers to quickly generate animal and human cell models, allowing them to study how genes function in a nervous system. By introducing mutations that pertain to various diseases within these cells, researchers can study the effects of the changes on nervous system development, function, and behavior. [ 201 ]
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Fast-paced developments in the CRISPR-Cas9 gene editing technology has increased both the concerns and relevance of this ethical controversy as it has become more popularly used. [ 19 ] [ 20 ] The scientific community recommends continued evaluation of risks and benefits of utilizing genetically modified organisms in everyday life. [ 21 ]
In addition to CRISPR research, the IGI works to advance public understanding of CRISPR and genome engineering and guide the ethical use of these technologies. Free public resources include: CRISPRpedia — a free textbook-style resource for learning about the biology, applications, and ethics of CRISPR and genome editing, with chapters edited ...
On 26 November 2018, The CRISPR Journal published ahead of print an article by He, Ryan Ferrell, Chen Yuanlin, Qin Jinzhou, and Chen Yangran in which the authors justified the ethical use of CRISPR gene editing in humans. [74] As the news of CRISPR babies broke out, the editors reexamined the paper and retracted it on 28 December, announcing:
Many experts disagreed with the paper and criticized it through journal articles [66] and social media, suggesting that unusual CRISPR treatments were used in the initial paper and the sample size was too low for significance (n=2). Nature Methods has issued two editorial notes on the paper, [67] and later retracted it. [68]