Low MeHg concentrations (up to 5 μM) activate interleukin-6 (IL-6) and monocyte chemoattractant protein (MCP)-1 expression in the human astrocytoma cell line U87MG (Clarkson et al. 2007; Muniroh 2020). This evidence concerns the gene IL6 and astrocytoma (excluding glioblastoma).