Improved blood sample processing for PCR.

Author:

Casareale D,Pottathil R,Diaco R

Abstract

To simplify our procedure for blood sample processing for PCR, we introduced a simpler, shorter, and more cost-effective method for the separation of peripheral blood lymphocytes (PBL) and DNA extraction for amplification with Taq polymerase. By this method, blood samples are processed in two simple 15-min steps: (1) separation of PBLs from whole blood by red blood cell lysis with the Roche Specimen Washing Solution, and (2) DNA extraction by heat-detergent treatment of separated PBLs. This new method is simpler than the standard Ficoll-Hypaque method for PBLs separation and Proteinase K digestion for DNA extraction. It is not inhibitory to DNA amplification and it allows effective processing of blood samples even after prolonged storage (as long as 8 days) at room temperature.

Publisher

Cold Spring Harbor Laboratory

Subject

Genetics (clinical),Genetics

Reference11 articles.

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