Orosomucoid (ORM) typing by isoelectric focusing: description of two new alleles in a German population and thermostability in bloodstains |
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| Authors: | K Umetsu I Yuasa K Nishi B Brinkmann T Suzuki |
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| Affiliation: | Department of Forensic Medicine, Yamagata University School of Medicine, Japan. |
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| Abstract: | The genetic polymorphism of serum orosomucoid (ORM) was studied in 168 unrelated German individuals using isoelectric focusing followed by immunoprinting. Two new alleles, tentatively designated ORM1*14 and ORM2*13, were identified. The method was successfully applied to demonstrate ORM1 types in dried bloodstains. Each type of ORM1 was also correctly determined in bloodstains heated at 130 degrees C for 30 min. The results indicated that ORM1 is a new powerful genetic marker system for the grouping of bloodstains. |
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