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There are five types of hereditary hemochromatosis: type 1, 2 (2A, 2B), 3, 4 [9] and 5, [10] all caused by mutated genes. Hereditary hemochromatosis type 1 is the most frequent, and uniquely related to the HFE gene. It is most common among those of Northern European ancestry, in particular those of Celtic descent. [11]
Iron overload (also known as haemochromatosis or hemochromatosis) is the abnormal and increased accumulation of total iron in the body, leading to organ damage. [1] The primary mechanism of organ damage is oxidative stress, as elevated intracellular iron levels increase free radical formation via the Fenton reaction.
Treatment for hemochromatosis type 3 may include reducing iron levels by removing blood (phlebotomy), iron chelation therapy, diet changes, and treatment for complications of the disease. The purpose of the treatment is to reduce the amount of iron in the body to normal levels, prevent or delay organ damage from excess iron, and maintain normal ...
Hemochromatosis type 4 is a hereditary iron overload disorder that affects ferroportin, an iron transport protein needed to export iron from cells into circulation. [1] Although the disease is rare, it is found throughout the world and affects people from various ethnic groups.
Certain metabolic disorders, such as hemochromatosis (extra iron buildup in the body), can cause or contribute to testosterone deficiency by affecting pituitary or hypothalamic function. Alcohol ...
For instance, a severe form of iron overload, juvenile hemochromatosis, is a result of severe hepcidin deficiency. The majority of cases are caused by mutations in the hemojuvelin gene (HJV or RGMc/repulsive guidance molecule c). The exceptions, people who have mutations in the gene for ferroportin, prove the rule: these people have plenty of ...
Acquired hemochromatosis is common in patients with certain types of chronic anemia (e.g. thalassemia and myelodysplastic syndrome) who require many blood transfusions, which can greatly increase the amount of iron in the body. Treatment with iron-chelating drugs such as deferoxamine reduces mortality in persons with sickle cell disease or β ...
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