CX3CR1 and nutritional disorder: The mRNA expression of the endometrium receptivity-related genes, PR, SOX-17, CX3CR1, FKN, activin, follistatin, BMP2, as well as the examined cytokines and chemokines LIF, IL-6, and IL-1β, were significantly downregulated at DFO-induced iron deficiency in HEC-1A cells.