cells Review CRISPR-Cas and Its Wide-Ranging Applications: From Human Genome Editing to Environmental Implications, Technical Limitations, Hazards and Bioethical Issues Roberto Piergentili 1 , Alessandro Del Rio 2,*, Fabrizio Signore 3, Federica Umani Ronchi 2, Enrico Marinelli 2 and Simona Zaami 2 1 Institute of Molecular Biology and Pathology, Italian National Research Council (CNR-IBPM), 00185 Rome, Italy;
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[email protected] Abstract: The CRISPR-Cas system is a powerful tool for in vivo editing the genome of most organ- isms, including man. During the years this technique has been applied in several fields, such as agriculture for crop upgrade and breeding including the creation of allergy-free foods, for eradicating pests, for the improvement of animal breeds, in the industry of bio-fuels and it can even be used as a basis for a cell-based recording apparatus. Possible applications in human health include the making of new medicines through the creation of genetically modified organisms, the treatment of viral Citation: Piergentili, R.; Del Rio, A.; infections, the control of pathogens, applications in clinical diagnostics and the cure of human genetic Signore, F.; Umani Ronchi, F.; diseases, either caused by somatic (e.g., cancer) or inherited (mendelian disorders) mutations.