TGFB1 and amyotrophic lateral sclerosis: Expression profiles of cytokines such as TNF-α, transforming growth factor-β1 (TGF-β1), and macrophage colony-stimulating factor (M-CSF) in the spinal cord of the mouse model of ALS showed upregulation according to aging, suggesting that this temporal profile of expression might contribute to the disease phenotype [56].