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  • Title: Use of 3'HVR genomic probe for presymptomatic diagnosis of adult polycystic kidney disease in northern Italy: comparison of DNA analysis and renal ultrasonographic data.
    Author: del Senno L, de Paoli Vitali E, Zamorani G, Piva R, Hanau S, Buzzoni D, Bernardi F, Storari A, Limone GL, Farinelli A.
    Journal: Nephrol Dial Transplant; 1988; 3(6):752-5. PubMed ID: 2906413.
    Abstract:
    A highly polymorphic DNA probe (3'HVR) with genetic linkage to the locus of autosomal dominant polycystic kidney disease was used for screening. Families with subjects at risk were from the Po river delta region (Northern Italy), where the disease accounts for 24% of the demands for dialysis. 3'HVR alleles were investigated in white blood cell DNA from 142 members of 18 families. The genomic marker was found informative in 88% of cases. Two recombinations between the marker and the disease locus were observed in 79 meioses. In 42 of the subjects at risk the results of DNA analysis and renal ultrasonography were compared. In 36 subjects the tests confirmed each other (18 were positive). In the other six subjects (all under 20 years of age and four under 10) only DNA analysis could diagnose the inheritance of cystic disease in the absence of demonstrable cysts. The findings indicate that in the population of the Po river delta the presymptomatic detection of adult polycystic kidney disease by 3'HVR linkage analysis is feasible in 88% of cases with approximately 95% reliability.
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