Mast Cell Activation Syndrome is related to monoclonal mast cell activation syndrome and postural orthostatic tachycardia syndrome. An important gene associated with Mast Cell Activation Syndrome is LINC02605 (Long Intergenic Non-Protein Coding RNA 2605). The drugs Leukotriene Antagonists and Histamine Antagonists have been mentioned in the context of this disorder. Affiliated tissues include heart and skin.