Gardos Channel Mutation Is Associated with Hereditary Dehydrate Stomatocytosis: a Complex Channelopathy
نویسندگان
چکیده
منابع مشابه
Mutations in the Gardos channel (KCNN4) are associated with hereditary xerocytosis.
Hereditary xerocytosis (HX; MIM 194380) is an autosomal-dominant hemolytic anemia characterized by primary erythrocyte dehydration. In many patients, heterozygous mutations associated with delayed channel inactivation have been identified in PIEZO1. This report describes patients from 2 well-phenotyped HX kindreds, including from one of the first HX kindreds described, who lack predicted hetero...
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The case is reported of a mother and baby with dehydrated hereditary stomatocytosis and perinatal ascites, an autosomal dominant condition not previously reported in Britain. Recognition is important for the management of pregnancy and for avoidance of splenectomy which, if performed, can predispose the patient to fatal thromboembolic events.
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BACKGROUND AND PURPOSE Mutations of the skeletal muscle sodium channel gene SCN4A, which is located on chromosome 17q23-25, are associated with various neuromuscular disorders that are labeled collectively as skeletal muscle sodium channelopathy. These disorders include hyperkalemic periodic paralysis (HYPP), hypokalemic periodic paralysis, paramyotonia congenita (PMC), potassium-aggravated myo...
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A 23-year-old man presented to our clinic for a second opinion. He was given the diagnosis of myelodysplastic syndrome (MDS) years prior, based on a history of iron overload and bone marrow biopsy findings of a hypercellular marrow with erythroid hyperplasia and dysmegakaryopoiesis. Further history revealed intermittent jaundice and scleral icterus. His physical examination was notable for shor...
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Hereditary ataxias (HA) are a group of inherited neurological disorders caused by changes in genes. At least 115 different mutations in the senataxin (SETX) gene causing ataxia have been identified. There are no reports of any SETX gene mutation among the Iranian population. Here we report on two cases with homozygous and heterozygous mutations in which one patient was affected by HA with oculo...
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ژورنال
عنوان ژورنال: Blood
سال: 2015
ISSN: 0006-4971,1528-0020
DOI: 10.1182/blood.v126.23.3333.3333