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1 Department of Biochemistry "A. Castellani", Università di Pavia, 27100 Pavia, Italy.
2 Institut fur Hygiene and Laboratoriumsmedizin, Klinikum Krefeld, 47085 Krefeld, Germany.
3 Department of Pathology and Laboratory Medicine, University of Calgary, Foothills Medical Centre & Calgary Laboratory Services, Calgary, AB, T3C 0J5 Canada.
Department of Internal Medicine,
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Division of Medical Genetics and
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Division of Nephrology, Istanbul University, Istanbul Medical Faculty, 34390 Capa Istanbul, Turkey.
aAddress correspondence to this author at: Department of Biochemistry "A. Castellani", via Taramelli 3b, Università di Pavia, 27100 Pavia, Italy. Fax 39-382-423108; e-mail loremin{at}unipv.it.
Background: Analbuminemia is a rare autosomal recessive disorder in which individuals have little or no circulating albumin, usually the most abundant plasma protein. We describe a new mutation associated with analbuminemia.
Methods: We studied four apparently unrelated patients who had congenital analbuminemia: two of Amerindian and two of Turkish origin. The 14 exons and the flanking intron sequences of the albumin gene were amplified by PCR and screened for mutations by single-strand conformational polymorphism and heteroduplex analysis. The mutated DNA fragments were sequenced directly.
Results: In all four cases, analbuminemia was caused by the same mutation, an AT deletion at nucleotides 24302431, the 91st and 92nd bases of exon 3. This novel defect, named Kayseri, produces a frameshift leading to a premature stop two codons downstream. The predicted translation product would consist of 54 amino acid residues.
Conclusions: The AT deletion at nucleotides 24302431 is a novel mutation associated with analbuminemia.
The following articles in journals at HighWire Press have cited this article:
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L. Dolcini, G. Caridi, M. Dagnino, A. Sala, S. Gokce, S. Sokucu, M. Campagnoli, M. Galliano, and L. Minchiotti Analbuminemia Produced by a Novel Splicing Mutation Clin. Chem., August 1, 2007; 53(8): 1549 - 1552. [Abstract] [Full Text] [PDF] |
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F. Campagna, F. Fioretti, M. Burattin, S. Romeo, F. Sentinelli, M. Bifolco, M. I. Sirinian, M. Del Ben, F. Angelico, and M. Arca Congenital Analbuminemia attributable to Compound Heterozygosity for Novel Mutations in the Albumin Gene Clin. Chem., July 1, 2005; 51(7): 1256 - 1258. [Full Text] [PDF] |
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M. Campagnoli, A. Sala, A. Romano, A. Rossi, J. Nauta, B. G.P. Koot, L. Minchiotti, and M. Galliano Novel Nonsense Mutation Causes Analbuminemia in a Moroccan Family Clin. Chem., January 1, 2005; 51(1): 227 - 229. [Full Text] [PDF] |
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