Postpoliomyelitis Syndrome, also known as postpolio syndrome, is related to progressive muscular atrophy and lateral sclerosis. An important gene associated with Postpoliomyelitis Syndrome is MTNAP1 (Mitochondrial Nucleoid Associated Protein 1), and among its related pathways/superpathways are Oligodendrocyte specification and differentiation, leading to myelin components for CNS and Interactions of natural killer cells in pancreatic cancer. The drugs Modafinil and Antibodies have been mentioned in the context of this disorder. Affiliated tissues include spinal cord and skeletal muscle, and related phenotypes are muscle weakness and pain