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Chromosomal location and RFLP utility in wheat and barley of a wheat gene with homology to a 7S storage-globulin sequence

, : Chromosomal location and RFLP utility in wheat and barley of a wheat gene with homology to a 7S storage-globulin sequence. Tag. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik 85(4): 387-388

Degradation of tissue samples limits performing RNA-based molecular studies, but little is known about the potential usefulness of samples of compromised quality for studies focused on miRNAs. In this work we analyze a series of cryopreserved tissue samples (n = 14), frozen samples that underwent a severe thawing process (n = 10), and their paired formalin-fixed paraffin-embedded (FFPE) tissue samples (n = 24) from patients with breast cancer obtained during primary surgical resection and collected in 2011. Quality and integrity analyses of the total and small fraction of RNA were carried out. Recovery of specific RNA molecules (miRNAs hsa-miR-21, hsa-miR-125b, and hsa-miR-191; snoRNA RNU6B; and mRNAs GAPDH and HPRT1) was also analyzed by quantitative RT-PCR. Our results suggest that visualisation of the small RNA electrophoretic profiles obtained using the Agilent 2100 bioanalyzer makes it possible to differentiate between the three groups of samples (optimally frozen, thawed, and FFPE). We demonstrate that specific miRNA molecules can be similarly recovered from different tissue sample sources, which supports their high degree of stability. We conclude that miRNAs are robustly detected irrespective of the quality of the tissue sample. In this regard, a word of caution should be raised before degraded samples are discarded: although prior quality assessment of the biological material to be analyzed is recommended, our work demonstrates that degraded tissue samples are also suitable for miRNA studies.


PMID: 24197450

DOI: 10.1007/BF00222317

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Muramatsu, K.; Ujiie, H.; Ito, T.; Fujita, Y.; Inokuma, D.; Tsukinaga, I.; Abe, T.; Shirai, S.; Fukuda, N.; Shimizu, H., 2017: Image Gallery: Vasculo-Behçet disease. British Journal of Dermatology 175(6): E150-E150

Yang Wenzhi, 1997: The preliminary study of a moraine fan-type gold-bearing placer feature and its mineralization. The moraine type gold-bearing placer is defined as the gold deposit as formed in a moraine fan by biomineralization and physical-chemical mineralization, then distributed and enriched in the shape of placer gold. The feature of this type of gold d...

Lebedeva, G.A., 1966: Radiation damage of the stomach, induced by radioactive cerium. Radiobiologiia 6(5): 697-699

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Philip, A.G., 1994: Sepsis + C-reactive protein. Pediatrics 93(4): 693-694

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Blackwell, J.B., 1965: The effects on the liver of sensitised rats of intravenous injection of antigen. Journal of Pathology and Bacteriology 90(1): 259-268