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A study of 3,011 unrelated white Australians found that 14% were heterozygous carriers of an HFE mutation, 0.5% were homozygous for an HFE mutation, and only 0.25% of the study population had clinically relevant iron overload. Most patients who are homozygous for HFE mutations do not manifest clinically relevant haemochromatosis (see Genetics ...
The protein encoded by this gene is an integral membrane protein that is similar to MHC class I-type proteins and associates with beta-2 microglobulin (beta2M). It is thought that this protein functions to regulate circulating iron uptake by regulating the interaction of the transferrin receptor with transferrin.
This mutation is associated with diverse health issues, however H63D syndrome is the only known specific expression of a homozygous HFE-H63D mutation to date. The homozygous HFE-H63D mutation is the cause of classic and treatable hemochromatosis in only 6.7% of its carriers. [25] H63D syndrome is independently a distinct entity, and the ...
Majority of the cases of hemochromatosis are caused by mutations in the HFE (Homeostatic Iron Regulator) gene. [17] Type 3 HH is characterized by compound heterozygote mutations in both transferrin receptor 2 (TFR2) and HFE, i.e. a single mutation in each gene. HFE is located on chromosome 6 and TFR2 is located on chromosome 7.
Clinically, most cases of hemochromatosis are found in homozygotes for the most common mutation in the HFE gene. [1] But at each gene locus associated with the disease, there is the possibility of compound heterozygosity, often caused by inheritance of two unrelated alleles, of which one is a common or classic mutation, while the other is a ...
This protein mediates cellular uptake of transferrin-bound iron and mutations in this gene have been associated with hereditary hemochromatosis type III. Alternatively spliced variants which encode different protein isoforms have been described; however, not all variants have been fully characterized.
The prevalence of the 1298C mutation is lower, at 4-12% for most tested populations. [9] A study in 2000 had identified only 24 cases of severe MTHFR deficiency (from nonsense mutations) across the whole world. [3]
14319 Ensembl ENSG00000167996 ENSMUSG00000024661 UniProt P02794 P09528 RefSeq (mRNA) NM_002032 NM_010239 RefSeq (protein) NP_002023 NP_034369 Location (UCSC) Chr 11: 61.96 – 61.97 Mb Chr 19: 9.96 – 9.96 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Ferritin heavy chain is a ferroxidase enzyme that in humans is encoded by the FTH1 gene. FTH1 gene is located on chromosome 11, and ...