102,006 research outputs found

    Systemic AA amyloidosis as a unique manifestation of a combined mutation of TNFRSF1A and MEFV genes

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    We report the case of a 22-year-old Caucasian woman presenting with a new-onset nephrotic syndrome with normal renal function during the 35th week of pregnancy. AA (secondary) amyloidosis was further diagnosed at the renal biopsy. Extensive genetic testing revealed that the patient was heterozygous for both TNFRSF1A p.R92Q and MEFV p.M694I mutations leading to an autoinflammatory syndrome characterized by amyloid deposition as the sole manifestation

    Small frameshift deletions within the COL4A5 gene in juvenile-onset Alport syndrome

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    Small frameshift deletions within the COL4A5 gene were identified in three Alport syndrome Italian families by non-isotopic single-strand conformation polymorphism (SSCP) screening: in family RMA, a 7-bp deletion (GGGTGAA) in exon 39; in family DGR, a 4-bp deletion (TGGA) in exon 41; in family MIB, deletion of a G in exon 50. The phenotype was characterized by juvenile-onset renal failure with sensorineural hearing loss in males, and a milder clinical pattern in heterozygous females

    Bibliographie Hilarion G. Petzold 1958 – 2009 mit Anhang als Einführung

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    Dieses Archiv enthält die Gesamtbibliographie der Werke des Autors nebst einiger Texte „Über H. G. Petzold“ im Schlussteil der Bibliographie sowie einen Anhang mit einer Einführung in die Architektur des Werkes in seinem wissenslogischen Aufbau als Ausarbeitung seines „Tree of Science Modells“ (2007).This archive contains the complete bibliography of the author and some texts about H. G. Petzold, moreover an epilogue with an introduction to the architecture of the works in its epistemological structure and composition and as an elaborations of Petzold’s „Tree of Science Modell (2007).https://www.fpi-publikation.de/polyloge/01-2009-petzold-h-g-gesamtbibliographie-h-g-petzold-1958-2009-updating-november2009/peerReviewedpublishedVersio

    Dispelling the Myths Behind First-author Citation Counts

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    We conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more sophisticated methods

    Identification of an 18 bp deletion in the TWIST1 gene by CO-amplification at lower denaturation temperature-PCR (COLD-PCR) for non-invasive prenatal diagnosis of craniosynostosis: first case report

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    Abstract Background: Non-invasive prenatal diagnosis has found application in a limited number of genetic diseases due to the difficulty in detecting a few copies of fetal mutated sequences in the presence of a large excess of wild-type maternal alleles, even in the case of single-base mutations. Methods: We developed conditions for the enrichment of fetal mutated alleles in maternal plasma based on CO-amplification at lower denaturation temperature-PCR (COLD-PCR). In particular, we applied a full COLD-PCR protocol to the identification of a p.A87_G92del mutation in the TWIST1 gene causing craniosynostosis in a couple at risk for the disease. Results: The use of the COLD-PCR protocol coupled with direct sequencing enabled correct identification of the fetal paternally inherited mutated allele, in accordance with the result obtained on DNA extracted from chorionic villi. Conclusions: COLD-PCR proved to be a simple and powerful tool for the identification of minority mutated alleles even in the case of a moderately large deletion (18 bp) and confirmed to be very suitable for non-invasive prenatal diagnosis of a variety of genetic diseases

    Author-springer.pdf

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