PDF-httpsmedlineplusgovgeneticshttpsmedlineplusgovgenetics

1 Childhood absence epilepsy Description epilepsyepilepsy This condition begins in childhood usually between ages 3 and 8 Affected children also known as petit mal seizuresalso known as petit mal. 1 How Genes Work 1 What are proteins and what do they do? Proteins are large, complex molecules that play many critical roles in the body. They do most of the work in cells and are required for t 1PIGA genephosphatidylinositol glycan anchor biosynthesis class ANormal FunctionThe PIGA gene provides instructions for making a protein called phosphatidylinositol glycan class A This protein takes p 1 Chronic myeloid leukemia Description Chronic myeloid leukemia is a slow-growing cancer of the blood-forming tissue (bone erythrocyteserythrocytes leukocytesleukocytes( thrombocytes) that are involv 1 Atopic dermatitis Description also known as atopic eczemaalso known as atopic eczema dermatitisdermatitis often disappears before adolescence. However, in some affected individuals the condition co 1 Dermatofibrosarcoma protuberans Description Dermatofibrosarcoma protuberans is a rare type of cancer that causes a tumor in the deep layers of skin. This condition is a type of soft tissue sarcoma, 1 Alpers-Huttenlocher syndrome Description Alpers-Huttenlocher syndrome is one of the most severe of a group of conditions called the POLG -related disorders. The conditions in this group feature a 1 Isolated Duane retraction syndrome Description Isolated Duane retraction syndrome is a disorder of eye movement. This condition toward the eartoward the ear toward the nosetoward the nose retractsr 1 ADAMTS2 gene ADAM metallopeptidase with thrombospondin type 1 motif 2 Normal Function The ADAMTS2 gene provides instructions for making an enzyme that processes several types of procollagen molec 1 Ellis-van Creveld syndrome Description Ellis-van Creveld syndrome is an inherited disorder of bone growth that results in very dwarfismdwarfism lower legs and a narrow chest with short ribs. Ellis- 1 Parkinson disease Description Parkinson disease is a progressive disorder of the nervous system. The disorder affects several regions of the brain, especially an area called the substantia nigra th 1 Pantothenate kinase-associated neurodegeneration Description Pantothenate kinase-associated neurodegeneration (formerly called Hallervorden-Spatz syndrome) is a disorder of the nervous system. This 1 Stickler syndrome Description Stickler syndrome is a group of hereditary conditions characterized by a distinctive facial appearance, eye abnormalities, hearing loss, and joint problems. These sign 1 Hypertension Description Hypertension is abnormally high blood pressure in the arteries, which are the blood vessels that carry blood from the heart to the rest of the body. As the heart beats, it 1 Nail-patella syndrome Description Nail-patella syndrome is characterized by abnormalities of the nails, knees, elbows, and pelvis. The features of nail-patella syndrome vary in severity between aff