The CRISPR-Cas9 system of gene editing seems to be quite a promising treatment for genetic disorders among humans. There are still many roadblocks in the way of this method becoming an actual treatment method anytime soon. Firstly, the accuracy of affected DNA sequences is not entirely precise. Off target edits utilizing CRISPR-Cas9 have plummeted, certainly, but are still not accurate enough for actual human treatment. Additionally, new research has shown that the human body initiates immune responses towards Cas9. This greatly lowers the efficacy of CRISPR-Cas9 treatment, and may delay this treatment's entry into medical treatment even further. With all the fervor currently about this method of gene editing, it is important to assess the challenges associated with CRISPR-Cas9 and to ensure that these treatments are safe and effective when brought to market.
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