Brain tissues and plasma were analyzed using RT-qPCR (miRNA) and ELISA (p53).<h4>Results</h4>We observed increased levels of miR-16-5p (<i>p</i> < 0.05) and p53 protein (<i>p</i> < 0.05) in tumor tissues compared with peritumoral tissue. The gene discussed is TP53; the disease is neoplasm.