ERBB2 and neoplasm: A number of interesting target genes were highlighted during the microarray analysis in SKOV-3 cells following knockdown of TLR4 associated with metastasis, angiogenesis, EMT/differentiation and circulating tumour cell (CTC) biology including CD44, HER2, PI3K, MMP13, members of the claudin, cadherin, integrin and laminin family and various olfactory receptors (ORs).