Abstract:
:Novel molecular approaches have recently become available allowing improved major histocompatibility complex (MHC) matching of potential allogeneic bone marrow donors and recipients. Current cellular and serological assays are hindered by aberrant cell populations and limited reagents which only detect an individuals' phenotype. Therefore, a molecular screening protocol which discriminates at the genotypic level would be advantageous. Here we describe a two-step DNA-based approach that can be applied to large-scale screening of potential donors. A primary screen, utilizing polymerase chain reaction (PCR), reduces the potential donor population, whereas a secondary or fine resolution screen uses DNA heteroduplex analysis to determine identity or non-identity at specific loci. Heteroduplex analysis generates a DNA migration pattern that is unique for alleles at a given locus, and is more sensitive than serology in discriminating among individuals. Here we demonstrate the potential feasibility of this approach by analyzing results at one MHC locus, HLA-DQ. Since this method does not rely on typing sera or viable lymphocytes, it is not subject to the variability found in the traditional methods. In contrast to traditional methods, these molecular techniques can provide the critical information needed to select a potential bone marrow donor.
journal_name
J Clin Lab Analjournal_title
Journal of clinical laboratory analysisauthors
Rubocki RJ,Wisecarver JL,Hook DD,Cox SM,Beisel KWdoi
10.1002/jcla.1860060515subject
Has Abstractpub_date
1992-01-01 00:00:00pages
337-41issue
5eissn
0887-8013issn
1098-2825journal_volume
6pub_type
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journal_title:Journal of clinical laboratory analysis
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journal_title:Journal of clinical laboratory analysis
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journal_title:Journal of clinical laboratory analysis
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journal_title:Journal of clinical laboratory analysis
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journal_title:Journal of clinical laboratory analysis
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journal_title:Journal of clinical laboratory analysis
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journal_title:Journal of clinical laboratory analysis
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journal_title:Journal of clinical laboratory analysis
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journal_title:Journal of clinical laboratory analysis
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更新日期:2016-11-01 00:00:00
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journal_title:Journal of clinical laboratory analysis
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journal_title:Journal of clinical laboratory analysis
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journal_title:Journal of clinical laboratory analysis
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