Pompe Disease Overview What is Pompe disease? Pompe disease is a type of glycogen storage disease, a genetic condition in which a complex sugar called glycogen builds up in your body’s cells. The disease results from the deficiency of a digestive enzyme called acid alpha-glucosidase (GAA). GAA normally breaks down complex sugars in your body. Other names for the condition include: Pompe’s disease. Acid maltase deficiency. Glycogen storage disease type II (GSD2). Providers also refer to Pompe disease (pronounced “pom-pay”) as a lysosomal storage disease. Lysosomes are small compartments inside your cells that hold and recycle certain substances. Enzymes such as GAA (or acid maltase, hence the name acid maltase deficiency) help break down these substances. A lack of this enzyme causes glycogen to build up within the lysosomes. This buildup occurs in the cells of your organs and tissues, especially your heart and skeletal muscles, causing them to break down. Types of this condition Resear...
Weyers acrofacial dysostosis Overview Weyers acrofacial dysostosis (WAD), or Curry-Hall syndrome, is a rare autosomal dominant skeletal dysplasia characterized by postaxial polydactyly (extra fingers/toes), nail dystrophy, dental anomalies (small/conical teeth), and mild short stature. It is caused by mutations in the EVC2 gene and is generally a milder, non-lethal form of Ellis-van Creveld syndrome, usually without heart defects Symptoms Limb Anomalies : Postaxial polydactyly (extra digits on the hands or feet, usually on the pinky side) and fusion of the 5th and 6th metacarpals/metatarsals. Dental Anomalies : Hypodontia (fewer teeth than normal), microdontia (small teeth), peg-shaped or conical teeth, and single central incisors. Nail Dystrophy : Abnormally small, brittle, or malformed fingernails and toenails (onychodystrophy). Facial Features: Micrognathia (small lower jaw/mandible), small mouth, and abnormal dentation. Growth: Mildly short stature (often around the 5th percentile...