Comparing the MicroRNA Spectrum between Serum and Plasma
By Kai Wang, Yue Yuan, Ji-Hoon Cho, Sara McClarty, D. Baxter, D. Galas. PLoS ONE, 2012
655 citations recorded by the source corpus.
Abstract MicroRNAs (miRNAs) are small, non-coding RNAs that regulate various biological processes, primarily through interaction with messenger RNAs. The levels of specific, circulating miRNAs in blood have been shown to associate with various pathological conditions including cancers. These miRNAs have great potential as biomarkers for various pathophysiological conditions. In this study we focused on different sample types’ effects on the spectrum of circulating miRNA in blood. Using serum and corresponding plasma samples from the same individuals, we observed higher miRNA concentrations in serum samples compared to the corresponding plasma samples. The difference between serum and plasma miRNA concentration showed some associations with miRNA from platelets, which may indicate that the coagulation process may affect the spectrum of extracellular miRNA in blood. Several miRNAs also showed platform dependent variations in measurements. Our results suggest that there are a number of factors that might affect the measurement of circulating miRNA concentration. Caution must be taken when comparing miRNA data generated from different sample types or measurement platforms.
Subfields: Cancer Research, Molecular Biology
View Paper: https://www.semanticscholar.org/paper/f311b6b2efe3a4cf43a072c8d80de47d6f48ac56
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Citations in the corpus
- Exosomes provide a protective and enriched source of miRNA for biomarker profiling compared to intracellular and cell-free blood (2014, result): “The increased number of detectable miRNA in plasma compared to serum was also observed in another study using Taqman qPCR panels (21).”