[1] LI J, SMYTH P, FLAVIN R, et al.Comparison of miRNA expression patterns using total RNA extracted from matched samples of formalin-fixed paraffin-embedded (FFPE) cells and snap frozen cells[J]. BMC Biotechnol,2007,7(1):36. [2] KAKIMOTO Y, TANAKA M, KAMIGUCHI H, et al.MicroRNA stability in FFPE tissue samples: dependence on GC content[J]. PLOs ONE,2016,11(9):E0163125. [3] 陈爱荣. 叶酸代谢酶相关亚甲基四氢叶酸还原酶基因多态性与2型糖尿病及代谢综合征易感性的关联研究(1)、膀胱癌石蜡包埋组织MICRORNA检测及临床意义的初步探讨(2)[D].兰州:兰州大学,2010.