For example, we would like to test whether SNHG18 directly interacts with c-Myc protein to accelerate its degradation, whether SNHG18 regulates the ubiquitination of c-Myc by regulating an E3 ligase, and whether SNHG18 can be used as a non-invasive liquid biopsy biomarker for BC. This evidence concerns the gene SNHG18 and breast cancer.