Cancer is caused by a defective gene due to mutations. CRISPR-Cas9 tools can be used to edit out these parts of the gene. The tool can snip out and replace a section of DNA with a given DNA. The tool is a harnessed mechanism from bacteria that is a mechanism to identify foreign genetic material such as that of bacteriophages and destroy them.
CRISPR-Cas9 could remove genetic mutations that cause a specific cancer before cancer begins.
CRISPR-Cas9 is a gene-editing mechanism that is harnessed from bacteria’s immune system used to cut apart foreign genetic material such as that of bacteriophages. CRISPR-Ca9 has a guide sequence that is used to identify the target sequence. The Cas9 enzyme cuts this target DNA and is replaced with the required piece.
In cancer treatment, the mutated DNA can be replaced, this way, with the wild type.