Abstract

Abstract Objectives.—To review the advances in clinically useful molecular biological techniques and to identify their applications in clinical practice, as presented at the Eighth Annual William Beaumont Hospital Symposium. Data Sources.—The 10 manuscripts submitted were reviewed, and their major findings were compared with literature on the same topic. Study Selection.—Two manuscripts addressed specimen (nucleic acid) stability, 2 described novel analytic approaches, 3 discussed detection of B- or T-cell clonality in lymphoproliferative disorders, and 3 reported the frequency of a variety of genetic polymorphisms found in cardiac disorders. Data Synthesis.—DNA from dried blood spots is stable and may be purified rapidly for amplification and mutation analysis. RNA is much less stable, and a variety of methods may be used to reduce ribonuclease degradation of enteroviral RNA. False-negative reactions may be reduced by genomic amplification of ligated padlock probes by cascade rolling circle or polymerase...

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