ITGB4 and prostate cancer: We compared the expression levels of eight integrin subunits (ITGA2, ITGA5, ITGAV, ITGB1, ITGB3, ITGB4, ITGB5, and ITGB6), HOXB13, HOXA11-AS, CCL2, CXCL12, and IBSP in prostate cancer tissues that had metastasized to bone, lymph nodes, lungs, liver, and other organs.