Haptoglobin subtypes in Berlin, GDR
- 1 June 1985
- journal article
- research article
- Published by Springer Nature in International journal of legal medicine
- Vol. 94 (3) , 207-212
- https://doi.org/10.1007/bf00204084
Abstract
Sera were obtained from 1,275 blood donors in Berlin, probands involved in paternity tests, and from 119 families with 235 children; the sera were subtyped by isoelectric focusing, following preparation and reductive molecular cleavage of haptoglobin. In this paper, an uninvolved preparation technique is described for routine testing. Allelic frequencies are: Hp *1F=0.1471; *1S=0.2502; *2FF=0.0020; *2FS=0.5753; *2SS=0.0251. Only one deviation from autosomal codominant inheritance was recorded in the family examinations, with illegitimacy considered possible. In the region of Berlin, the changes of ruling out uninvolved individuals in paternity suits have gone up from 18% (conventional technique recording two frequent alleles) to 33% (subtyping). Seren von 1275 Berliner Blutspendern und Probanden aus der Paternitätsbegutachtung sowie von 119 Familien mit 235 Kindern wurden im Hp-System mittels isoelektrischer Fokussierung nach Präparation und reduktiver Molekülspaltung des Haptoglobin subtypisiert. Es wird ein einfaches Präparationsverfahren vorgestellt, das eine routinemäßige Untersuchung gestattet. Die Allelfrequenzen betragen: Hp *1F=0,1471; *1S=0,2502; *2FF=0,0020; *2FS=0,5753; *2SS=0,0251. Die Familien-untersuchungen ergaben nur eine Ausnahme vom angenommenen autosomal-kodominanten Erbgang, Illegitimität ist möglich. Die isolierte Ausschlußchance mit Hp für Nichtväter steigt im Berliner Raum von 18% (herkömmliche Technik mit Erfassung zweier häufiger Allele) auf 33% (Subtypisierung).Keywords
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