Moyamoya Disease 1, also known as moyamoya disease, is related to microcephalic osteodysplastic primordial dwarfism, type ii and cerebrovascular disease. An important gene associated with Moyamoya Disease 1 is GUCY1A1 (Guanylate Cyclase 1 Soluble Subunit Alpha 1), and among its related pathways/superpathways is Glypican 1 network. The drugs Neuroprotective Agents and 3-n-butylphthalide have been mentioned in the context of this disorder. Affiliated tissues include brain and endothelial, and related phenotypes are telangiectasia and intellectual disability