IL6 and infection: Salmonella Enteritidis-infected chicken granulosa cells have revealed the pronounced upregulation of tlr15, il-6, cxcli1, cxcli2, and k2033 at the mRNA level at 4 and 48 h post-infection (hpi) based on microarray analysis, whereas rasd1 and hb-egf were significantly downregulated at these intervals.