IL-1 is secreted from which cells

Tumor necrosis factor (TNF)Interleukin-1 (IL-1)Granulocyte-monocyte colony-stimulating factor (GM-CSF)Granulocyte colony-stimulating factor (G-CSF)Monocyte colony-stimulating factor (M-CSF)These factors are formed by activated macrophage cells in the inflamed tissues and in smaller quantities by other inflamed tissue cells.Ref: Guyton and Hall textbook of medical physiology 13th edition. Page:462