Pre-Metastatic Niche Formation Has Taken Its TOLL.
Overview
abstract
Pre-Metastatic Niches (PMNs) result from communications between primary tumors and the microenvironment of future distant metastasis via tumor-derived factors. In this issue of Cancer Cell, Liu et al. show that TLR3 activation in lung epithelial cells by tumor exosomal RNAs triggers neutrophil recruitment, which contributes to PMN formation and metastasis.