Probiotic-based chemotherapy targeting cancer stem cells and immune-inhibitory receptors in advanced metastatic cancers: A pharmaceutical mixture encompassing  Niclosamide and probiotic Lactobacillus rhamnosus increases the expression of tumor suppressor genes, such as p57Kip2, RhoB,  and TA-p73/p63, inhibits immune-inhibitory receptors/molecules, targets ovarian cancer stem cells, confers protection against chemoresistance and prolongs survival, via up-regulation of its target gene, 8/April/2018, 9.31 pm