LGR6 and prostate carcinoma: Little research has focused on LGR6 in prostate cancer, although a previous study has shown LGR6 mRNA is not expressed in primary luminal, basal, or stromal cells that were isolated by fluorescence-activated cell sorting (FACS) from adult mouse prostate tissue [116] and LGR6 upregulation in ovarian cancer predict for poor prognosis [112].