PSMD14 and breast cancer: Studies on the expression of POH1 in human cancer cell lines and/or tumour specimens have been published in multiple myeloma [83], breast cancer [63], hepatocellular carcinoma [84, 85], colorectal cancer [30, 85], prostate cancer [86], oesophageal carcinoma [64, 85], head and neck squamous cell carcinoma [87], lung adenocarcinoma [88], melanoma [29] and osteosarcoma [89].