A recent review published in the magazine Engineering It discovers the important developments and potential of CRISPR technologies in the field of regenerative medicine. The study, compiled by Veronica E. Farag, Elsie A. Devey and Kam W. Leong of Columbia University, explores how gene treatment transforms how we approach tissue repair and treatment of diseases.
Regenerative medicine aims to repair or replace damaged tissues and organs, providing hope for patients with various conditions. Traditional strategies, such as the use of ancestral cells and biological stimuli, have had some success, but face restrictions such as off -target results and lack of precision. Gene processing, especially CRISPR/CAS9 -based systems, provide a more accurate and effective alternative.
CRISPR/CAS9 allows accurate genome modifications, including knock-ins, knockouts, transcriptional activation and repression and base conversions. This technology has been used to treat genetic diseases, control cell fate to repair tissues and enhance tissue functions. For example, in the treatment of monogenic diseases such as cystic fibrosis, sickle cell disease and incomplete osteogenesis, CRISPR technologies have shown a promise in correction of diseases that cause diseases.
In cystic fibrosis, the researchers used the knock-in with CRISPR HDR mediation to correct mutations in the CFTR gene in the stem cells of the airways. For sickle cell disease, FDA approved a CRISPR/CAS9 treatment that silently Bcl11a gene to increase fetal hemoglobin production. In osteogenesis Imperfecta, studies have proven to correct mutated genes in patients coming from patients.
CRISPR technologies also play a decisive role in increasing tissue repair. They can be used to lead the reschedule of body cells to induced multicolor stem cells (IPSCs), to differentiate IPSCs in desired cell types and create tissue structures for in-vivo repair. In addition, gene processing can prevent immunological responses after transplantation by modifying the HLA profile of cells, reducing the risk of rejection.
In addition, CRISPR is a powerful research tool in regenerative medicine. It allows genetic sorting for the detection of genes involved in the differentiation and progression of the disease and helps to create diseases for the development of drugs. Models of organization and organs-on-a-chip, coupled with CRISPR processing, allow researchers to study diseases in a more normal framework.
However, there are still challenges to overcome. Delivery of CRISPR ingredients remains an obstacle, as current methods have limitations on immunogenic, packaging capacity and targeting efficiency. Out -target processing is another concern, which can lead to unwanted genetic changes. Future research will focus on enhancing delivery systems, optimization of CRISPR’s efficiency and reducing off -target impacts.
Despite these challenges, the ability of CRISPR technologies in regenerative medicine is enormous. With ongoing research and development, these technologies could lead to more effective treatments for a wide range of diseases and injuries, a revolution in the field of regenerative medicine.
Source:
Magazine report:
Farag, Ve, et al. (2024). The interface of gene treatment of regenerative medicine. Engineering. doi.org/10.1016/j.ng.2024.10.019.