ALKBH5 and reproductive system disorder: In addition, ALKBH5 was also involved in kinds of cancers or non-cancers, such as glioblastoma [15], pancreatic cancer [16], colon cancer [17], breast cancer [18], gastric cancer [19], lung cancer [20], ovarian cancer [21], diabetes [22] and reproductive system diseases [23] (Figs. 1, 2).