Triosephosphate Isomerase Deficiency, also known as triose phosphate-isomerase deficiency, is related to hemolytic anemia and congenital nonspherocytic hemolytic anemia, and has symptoms including icterus, muscle spasticity and tremor. An important gene associated with Triosephosphate Isomerase Deficiency is TPI1 (Triosephosphate Isomerase 1), and among its related pathways/superpathways are Metabolism and Glycosaminoglycan metabolism. Affiliated tissues include spinal cord and heart, and related phenotypes are hypotonia and skeletal muscle atrophy