PCAT1 is a lncRNA that has been extensively studied in terms of its correlation with tumour progression and prognosis.21 It was found to show significant biased expression in various kinds of human cancers, such as prostate cancer,22 glioblastoma,23 and gastric cancer.24 However, its function in the human skeletal system has not been previously emphasized. This evidence concerns the gene PCAT1 and gastric cancer.