HOXA1 and prostate cancer: For example, ACPP (Wayner et al., 2012) (PIP = 0.999) was overexpressed in prostate cancer cell lines and HOTAIRM1 (PIP = 0.999) is antisense of HOXA1 and found to be highly expressed in prostate cancer cells enhancing cell proliferation, invasion, and metastasis (Wang et al., 2015).