MMP9 and glycogen storage disease VI: In TA, active disease is associated with higher serum levels of pentraxin-3, matrix metalloproteinase 9 (MMP-9), interleukin (IL)-6, IL-8, IL-18, B cell-activating factor (BAFF), monocyte chemoattractant protein-1 (MCP-1) and regulated on activation, normal T cell expressed and secreted (RANTES) [3–9].