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|Titolo:||["Hyperferritinemia-cataract syndrome". Description of a new hereditary disease, from anamnesis to molecular diagnosis]|
|Autori interni:||GIRELLI, Domenico|
|Data di pubblicazione:||1997|
|Abstract:||A new autosomal-dominant genetic disorder, which has been recently identified by our group is described. The disease is clinically characterized by the combination of a substantial increase of serum ferritin and early-onset bilateral cataract. Moreover, it is clearly distinguishable from genetic hemochromatosis because of: 1) normal to low serum iron and transferrin saturation, without evidence of parenchymal iron overload; 2) the dominant transmission; 3) the lack of any relation with HLA; 4) the rapid development of iron-deficient anemia when unnecessary phlebotomies are performed. The molecular basis of the new syndrome is a mutation in the L-subunit ferritin gene on chromosome 19 (19q13.3-->19qter). The mutation involves a five nucleotide sequence [CAGUG] of the iron-responsive-element (IRE), which is critical for the post-transcriptional regulation of ferritin synthesis by means of the binding with an Iron Regulatory Protein. As a consequence, ferritin synthesis is up-regulated, irrespective of cell iron status.|
|Appare nelle tipologie:||01.01 Articolo in Rivista|
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