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Gyung Kang, Hee; Bybee, Alison; Soo Ha, Il; Park, Moon Soo; Gilbertson, Janet A; Cheong, Hae Il; Choi, Yong; Hawkins, Philip N
Kidney international, 11/2005, Letnik: 68, Številka: 5Journal Article
Background. Systemic amyloidosis occurring in early childhood is extremely rare, and is usually of AA type complicating chronic inflammatory diseases. We report the molecular basis of amyloidosis in a Korean girl who presented at 7 years of age with asymptomatic proteinuria and developed amyloid hepatomegaly and end-stage renal failure within 2 years. Methods. Renal biopsy showed enlarged glomeruli virtually replaced by amyloid, but without interstitial or vascular involvement. The histologic appearance was identical to that seen in patients with hereditary fibrinogen A alpha chain Glu526Val amyloidosis, and the amyloid deposits stained specifically with antibodies to fibrinogen. Mutations were sought in the genes of the amyloidogenic proteins, transthyretin, apolipoprotein AI, lysozyme and fibrinogen A alpha chain genes by polymerase chain reaction (PCR) and sequencing. Results. A unique frameshift insertion-deletion (indel) mutation was identified in one allele of her fibrinogen A alpha chain gene, which encodes a partly novel peptide and a premature stop signal, similar to the two previously reported amyloidogenic point deletions at codons 522 and 524 in this molecule. The mutation was absent in samples verified to be from her parents, indicating that it had occurred de novo. Conclusion. This is the first description of hereditary fibrinogen A alpha chain amyloidosis in an Asian individual, and the distinctive renal histology offered a strong clue to the diagnosis. The disease is potentially curable by combined hepatorenal transplantation.
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Dostop do baze podatkov JCR je dovoljen samo uporabnikom iz Slovenije. Vaš trenutni IP-naslov ni na seznamu dovoljenih za dostop, zato je potrebna avtentikacija z ustreznim računom AAI.
Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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