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  • Histocompatibility standardization  (1)
  • Short tandem repeats (STRs)  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Accreditation and quality assurance 5 (2000), S. 381-382 
    ISSN: 1432-0517
    Keywords: Key words Accreditation ; EFI ; Eurotransplant ; Immunogenetics ; Histocompatibility standardization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract  The European Federation for Immunogenetics (EFI) has its own standards for histocompatibility testing. Compared with EN 45001 and ISO Standards, EFI Standards are more detailed, actually stating "what to do" in the laboratory. The decision of Eurotransplant that all its organ transplantation programmes must be EFI-accredited by the year 2000, illustrates the importance of the these standards. It took us 11 months to prepare the EFI questionnaire, describing the main features of our laboratory and how they complied with EFI Standards. After approval of this file, inspection was performed by a team of two peers who routinely worked in an EFI-accredited tissue typing laboratory. The pre-analytical, analytical and post-analytical phases were inspected during a one day visit. Furthermore, a checklist was reviewed against the laboratory's documentation system. Within 1 month of reception of the inspection report, we were expected to send a reply listing the corrective actions taken. Upon acknowledgement of the latter, EFI Accreditation was granted, for 1 year. We feel that detailed standards, specifically designed for a certain type of laboratory, offer many advantages.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1437-1596
    Keywords: Key words DNA polymorphism ; Short tandem repeats (STRs) ; Paternity testing
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Notes: Abstract In order to apply a set of nine STR loci in parentage testing, we performed a population genetic study on a sample of the Flemish population. Genotypes for HUMHPRTB, HUMFABP, HUMCD4, HUMCSF1PO, HUMTH01, HUMPLA2A, HUMPLA2A1, HUMF13A01, HUMCYAR04 and HUMLIPOL were determined using three triplex PCR reactions and silver staining. Allele frequencies showed no deviation from Hardy-Weinberg equilibrium. The frequency distribution agreed well with other Caucasian populations but three intermediate fragments, not previously found in Caucasians, were observed. We then resolved a series of 151 parentage disputes of which 103 were exclusions. In six cases, evidence for exclusion was obtained by only one informative STR locus out of eight for male children or out of nine for female children. These exclusions were confirmed with additional polymorphic markers. In one case of inclusion, a paternal allele expanded with one repeat unit of HUMHPRTB. This observation illustrates that STRs do not differ from other genetic systems in the fact that more than one excluding locus is required before exclusion is demonstrated.
    Type of Medium: Electronic Resource
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