Glycogenosis type II (acid maltase deficiency). 1995

A J Reuser, and M A Kroos, and M M Hermans, and A G Bijvoet, and M P Verbeet, and O P Van Diggelen, and W J Kleijer, and A T Van der Ploeg
Department of Clinical Genetics, Erasmus University, Rotterdam, The Netherlands.

Glycogen storage disease type II (GSD II/glycogenosis type II/Pompe's disease/acid maltase deficiency) is caused by the deficiency of lysosomal alpha-glucosidase resulting in lysosomal accumulation of glycogen. The disease is inherited as an autosomal recessive trait and is clinically heterogeneous. Early and late onset phenotypes are distinguished. Insight in the molecular nature of the lysosomal alpha-glucosidase deficiency and the underlying genetic defect has increased significantly during the past decade. This minireview on GSD II was written at the occasion of The International Symposium on Glycolytic and Mitochondrial Defects in Muscle and Nerve, held in Osaka, Japan, July 1994. It is an update of current literature, but also includes original data from the collaborating authors on mutations occurring in the lysosomal alpha-glucosidase gene and on prenatal diagnosis by chorionic villus sampling. The genotype-phenotype correlation and the prospects for therapy are addressed.

UI MeSH Term Description Entries
D009154 Mutation Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations. Mutations
D011296 Prenatal Diagnosis Determination of the nature of a pathological condition or disease in the postimplantation EMBRYO; FETUS; or pregnant female before birth. Diagnosis, Prenatal,Fetal Diagnosis,Fetal Imaging,Fetal Screening,Intrauterine Diagnosis,Antenatal Diagnosis,Antenatal Screening,Diagnosis, Antenatal,Diagnosis, Intrauterine,Prenatal Screening,Antenatal Diagnoses,Antenatal Screenings,Diagnosis, Fetal,Fetal Diagnoses,Fetal Imagings,Fetal Screenings,Imaging, Fetal,Intrauterine Diagnoses,Prenatal Diagnoses,Prenatal Screenings,Screening, Antenatal,Screening, Fetal,Screening, Prenatal
D005087 Glucan 1,4-alpha-Glucosidase An enzyme that catalyzes the hydrolysis of terminal 1,4-linked alpha-D-glucose residues successively from non-reducing ends of polysaccharide chains with the release of beta-glucose. It is also able to hydrolyze 1,6-alpha-glucosidic bonds when the next bond in sequence is 1,4. 1,4-alpha-Glucosidase, Exo,Amyloglucosidase,Exo-1,4-alpha-Glucosidase,Glucoamylase,gamma-Amylase,Glucoamylase G1,Glucoamylase G2,1,4-alpha-Glucosidase, Glucan,Exo 1,4 alpha Glucosidase,Glucan 1,4 alpha Glucosidase,gamma Amylase
D006009 Glycogen Storage Disease Type II An autosomal recessively inherited glycogen storage disease caused by GLUCAN 1,4-ALPHA-GLUCOSIDASE deficiency. Large amounts of GLYCOGEN accumulate in the LYSOSOMES of skeletal muscle (MUSCLE, SKELETAL); HEART; LIVER; SPINAL CORD; and BRAIN. Three forms have been described: infantile, childhood, and adult. The infantile form is fatal in infancy and presents with hypotonia and a hypertrophic cardiomyopathy (CARDIOMYOPATHY, HYPERTROPHIC). The childhood form usually presents in the second year of life with proximal weakness and respiratory symptoms. The adult form consists of a slowly progressive proximal myopathy. (From Muscle Nerve 1995;3:S61-9; Menkes, Textbook of Child Neurology, 5th ed, pp73-4) Acid Maltase Deficiency Disease,Generalized Glycogenosis,Glycogenosis 2,Lysosomal alpha-1,4-Glucosidase Deficiency Disease,Pompe Disease,Acid Alpha-Glucosidase Deficiency,Acid Maltase Deficiency,Adult Glycogen Storage Disease Type II,Alpha-1,4-Glucosidase Deficiency,Deficiency Disease, Acid Maltase,Deficiency Disease, Lysosomal alpha-1,4-Glucosidase,Deficiency of Alpha-Glucosidase,GAA Deficiency,GSD II,GSD2,Glycogen Storage Disease II,Glycogen Storage Disease Type 2,Glycogen Storage Disease Type II, Adult,Glycogen Storage Disease Type II, Infantile,Glycogen Storage Disease Type II, Juvenile,Glycogenosis Type II,Infantile Glycogen Storage Disease Type II,Juvenile Glycogen Storage Disease Type II,Pompe's Disease,Acid Alpha Glucosidase Deficiency,Acid Alpha-Glucosidase Deficiencies,Acid Maltase Deficiencies,Alpha 1,4 Glucosidase Deficiency,Alpha-1,4-Glucosidase Deficiencies,Alpha-Glucosidase Deficiencies,Alpha-Glucosidase Deficiencies, Acid,Alpha-Glucosidase Deficiency,Alpha-Glucosidase Deficiency, Acid,Deficiencies, Acid Alpha-Glucosidase,Deficiencies, Acid Maltase,Deficiencies, Alpha-1,4-Glucosidase,Deficiencies, GAA,Deficiency of Alpha Glucosidase,Deficiency, Acid Alpha-Glucosidase,Deficiency, Acid Maltase,Deficiency, Alpha-1,4-Glucosidase,Deficiency, GAA,Disease, Pompe,Disease, Pompe's,GAA Deficiencies,GSD2s,Generalized Glycogenoses,Glycogenoses, Generalized,Glycogenosis, Generalized,Lysosomal alpha 1,4 Glucosidase Deficiency Disease,Maltase Deficiencies, Acid,Pompes Disease,Type II, Glycogenosis,Type IIs, Glycogenosis
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000520 alpha-Glucosidases Enzymes that catalyze the exohydrolysis of 1,4-alpha-glucosidic linkages with release of alpha-glucose. Deficiency of alpha-1,4-glucosidase may cause GLYCOGEN STORAGE DISEASE TYPE II. Acid Maltase,Lysosomal alpha-Glucosidase,Maltase,Maltases,Maltase-Glucoamylase,Neutral Maltase,Neutral alpha-Glucosidase,alpha-Glucosidase,Lysosomal alpha Glucosidase,Maltase Glucoamylase,Neutral alpha Glucosidase,alpha Glucosidase,alpha Glucosidases,alpha-Glucosidase, Lysosomal,alpha-Glucosidase, Neutral

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