After the detection of LPS by this complex, bovine endometrial epithelial and stromal cells secrete chemokine, such as MCP1, IL‐6, and IL‐8 (Saut et al., 2014; Sheldon et al., 2014) to recruit immune cells to the infection site (Karstrup et al., 2017; MacKintosh et al., 2013). The gene discussed is CXCL8; the disease is infection.