Granulocyte colony-stimulating factor ( G-CSF ) , granulocyte-macrophage colony-stimulating factor ( GM-CSF ) , IL-6 , IL-7 , IL-8 , IL-12p70 , IL-13 , IL-17 , monocyte chemoattractant protein-1 ( MCP-1 ) , and macrophage inflammatory protein-1 beta ( MIP-1 ) changed over the 12-week training period but did not differ by group .