Hello, A collaborator came to me to find out information about the right preservative for whole blood. They are thinking to simply add the preservative to whole blood and ship this sample to the central processing place for lymphocyte staining, sorting and subsequent determination of cytokine mRNA levels from different subsets. The ideal preservative will stop the physiology right away and prevent the mRNA degradation. Hopefully, by using this preservative, they will be able to minimize the ex-vivo manipulation and the quantitation of mRNA will reflect the situation in vivo. I appreciate your feedback regarding this issue. Thanks. Fang-Yao Stephen Hou, Ph.D. Flow Cytometry Specialist UC-Irvine
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