An autosomal recessive metabolic disorder due to a deficiency in expression of glycogen branching enzyme 1 (alpha-1,4-glucan-6-alpha-glucosyltransferase), resulting in an accumulation of abnormal GLYCOGEN with long outer branches. Clinical features are MUSCLE HYPOTONIA and CIRRHOSIS. Death from liver disease usually occurs before age 2.
Also Known As:
Andersen's Disease; Glycogenosis, Type IV; Amylopectinosis; Andersen Disease; Deficiency, Brancher; Glycogen Branching Enzyme Deficiency; Glycogen Storage Disease Type 4; Type IV Glycogenosis; Amylopectinoses; Andersens Disease; Brancher Deficiencies; Deficiencies, Brancher; Disease, Andersen; Disease, Andersen's; Glycogenoses, Type IV; Glycogenosis 4s; Type IV Glycogenoses; Brancher Deficiency; Glycogenosis 4