Congenital Brain Dysgenesis Due to Glutamine Synthetase Deficiency, also known as inherited glutamine synthetase deficiency, is related to glutamine deficiency, congenital and congenital hemidysplasia with ichthyosiform erythroderma and limb defects, and has symptoms including apnea and seizures. An important gene associated with Congenital Brain Dysgenesis Due to Glutamine Synthetase Deficiency is GLUL (Glutamate-Ammonia Ligase). Affiliated tissues include brain and skin.