Comparison of methods in the recovery of nucleic acids from archival formalin-fixed paraffin-embedded autopsy tissues

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dc.contributor.authorOkello, John B.A.
dc.contributor.authorZurek, Jaymi
dc.contributor.authorDevault, Alison M.
dc.contributor.authorKuch, Melanie
dc.contributor.authorOkwi, Andrew L.
dc.contributor.authorSewankambo, Nelson K.
dc.contributor.authorBimenya, Gabriel S.
dc.contributor.authorPoinar, Debi
dc.contributor.authorPoinar, Hendrik N.
dc.date.accessioned2022-05-01T22:26:55Z
dc.date.available2022-05-01T22:26:55Z
dc.date.issued2010
dc.description.abstractArchival formalin-fixed paraffin-embedded (FFPE) human tissue collections are typically in poor states of storage across the developing world. With advances in biomolecular techniques, these extraordinary and virtually untapped resources have become an essential part of retrospective epidemiological studies. To successfully use such tissues in genomic studies, scientists require high nucleic acid yields and purity. In spite of the increasing number of FFPE tissue kits available, few studies have analyzed their applicability in recovering high-quality nucleic acids from archived human autopsy samples. Here we provide a study involving 10 major extraction methods used to isolate total nucleic acid from FFPE tissues ranging in age from 3 to 13 years. Although all 10 methods recovered quantifiable amounts of DNA, only 6 recovered quantifiable RNA, varying considerably and generally yielding lower DNA concentrations. Overall, we show quantitatively that TrimGen’s WaxFree method and our in-house phenol–chloroform extraction method recovered the highest yields of amplifiable DNA, with considerable polymerase chain reaction (PCR) inhibition, whereas Ambion’s RecoverAll method recovered the most amplifiable RNA.en_US
dc.identifier.citationOkello, J. B., Zurek, J., Devault, A. M., Kuch, M., Okwi, A. L., Sewankambo, N. K., ... & Poinar, H. N. (2010). Comparison of methods in the recovery of nucleic acids from archival formalin-fixed paraffin-embedded autopsy tissues. Analytical biochemistry, 400(1), 110-117. doi:10.1016/j.ab.2010.01.014en_US
dc.identifier.other10.1016/j.ab.2010.01.014
dc.identifier.urihttps://nru.uncst.go.ug/handle/123456789/3114
dc.language.isoenen_US
dc.publisherAnalytical biochemistryen_US
dc.subjectArchival FFPE tissuesen_US
dc.subjectDNA/RNA extractionen_US
dc.subjectHistopathologyen_US
dc.subjectInhibitionen_US
dc.subjectNucleic aciden_US
dc.subjectQuantitative PCRen_US
dc.titleComparison of methods in the recovery of nucleic acids from archival formalin-fixed paraffin-embedded autopsy tissuesen_US
dc.typeArticleen_US
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