OTUD6B and breast cancer: Besides, WAC-AS1 (1.03 [1.00–1.06], p = 0.043) and OTUD6B-AS1 (1.07 [1.02–1.13], p = 0.008) were risk factors of breast cancer, which implied they potentially down-regulated the level of miR-26a-5p to promote tumor progression (Figure 4C).