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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 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 1MelanomaDescriptionMelanoma is a type of skin cancer that begins in pigment-producing cells called melanocytes This cancer typically occurs in areas that are only occasionally sun-exposed tumors are 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 Dupuytren contracture Description Dupuytren contracture is characterized by a deformity of the hand in which the joints of extendedextended flexedflexed supports the body's muscles, joints, organs, 1 Dyskeratosis congenita Description Dyskeratosis congenita is a disorder that can affect many parts of the body. There are three features that are characteristic of this disorder: fingernails and to 1 Terminal osseous dysplasia Description Terminal osseous dysplasia is a disorder primarily involving skeletal abnormalities and certain skin changes. It is a member of a group of related conditions 1 Early-onset isolated dystonia Description Early-onset isolated dystonia is one of many forms of dystonia, which is a group of muscle contractionsmuscle contractions tremorstremors other uncontrolle 1 EGFR gene epidermal growth factor receptor Normal Function The EGFR gene provides instructions for making a receptor protein called the epidermal growth factor receptor, which spans the cell memb 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 X-linked severe combined immunodeficiency Description SCIDSCID immune system that occurs almost exclusively in males. Children with X-linked SCID are prone to recurrent and persistent infections be 1 Pantothenate kinase-associated neurodegeneration Description Pantothenate kinase-associated neurodegeneration (formerly called Hallervorden-Spatz syndrome) is a disorder of the nervous system. This 1 Horner syndrome Description Horner syndrome is a disorder that affects the eye and surrounding tissues on one side of the face and results from paralysis of certain nerves. Horner syndrome can appe 1 Familial hyperaldosteronism Description Familial hyperaldosteronism is a group of inherited conditions in which the adrenal glands, which are small glands located on top of each kidney, produce too