Dyskinesia of Esophagus, also known as esophageal motility disorders, is related to antisynthetase syndrome and crest syndrome, and has symptoms including spasm An important gene associated with Dyskinesia of Esophagus is CENPB (Centromere Protein B), and among its related pathways/superpathways are IL-9 Signaling and its Primary Biological Effects in Different Immune Cell Types and Secretion of hydrochloric acid in parietal cells. The drugs Guaifenesin and Codeine have been mentioned in the context of this disorder. Affiliated tissues include thyroid and lung.