J M Ruíz de la Cuesta

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Since 1992 the Spanish and Portuguese Working Group (GEP) of the International Society for Forensic Haemogenetics (ISFH) has been organizing collaborative exercises on DNA profiling with the aim of making progress on standardization and discussing technical and statistical problems in DNA analysis. A total of four exercises (GEP-92 to GEP-95) have been(More)
The distribution of the phenotypes for coagulation factor XIIIA subunit (F13A) of autochthonous individuals from the following five Spanish populations was studied: Galicia, Castilla-León, Castilla-La Mancha, Extremadura and Western Andalusia. The frequency values obtained for F13A*2 ranged from 0.248 to 0.311. To date, these values are the highest recorded(More)
Immunofixation procedures were used for detecting alpha-1 antitrypsin protease inhibitor (Pi) phenotypes in bloodstains. Neuraminidase elution of bloodstains, together with isoelectric focusing, immunofixation, and silver staining techniques, makes possible Pi subtyping in old bloodstains. No extra bands appear when the storage time is no longer than three(More)
Alpha-2-HS-glycoprotein is considered a reliable genetic marker for paternity testing and forensic investigation. We describe a simple, semiautomated method for phenotyping this protein in serum samples, bloodstains and dental pulp using isoelectric focusing methods followed by immunofixation techniques. This method produces clear results even with very old(More)
The 3' flanking region of the interleukin-6 gene is polymorphic due to the existence of a hyper-variable region consisting of a number of A + T rich variable repeated DNA sequences (VNTR). We used specific primers to amplify this particular VNTR system by PCR in 222 unrelated normal Spaniards from Madrid, Spain. A model of inheritance comprising of five(More)
A prenatal paternity test was requested by a 30-year-old woman. Variable number of tandem repeat (VNTR) systems were used for DNA analysis by means of amplification and electrophoresis followed by ethidium bromide staining or Southern blotting and oligonucleotide hybridization. Exclusion of paternity could be established on the basis of the great(More)
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