In vivo study, miR‐200a‐3p was found to promote cancer cell proliferation via targeting CRMP1 and inactivating tumour suppressor gene RHOA,31 while miR‐200a‐3p acted as a tumour suppressor gene in renal cell carcinoma or hepatocellular carcinoma.33, 34. This evidence concerns the gene CRMP1 and renal cell carcinoma.