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The DOI matches its Crossref record; 12 of the 12 references it cites were found in a registry or an index.

Detection of microRNA Expression in Human Peripheral Blood Microvesicles

Open access
Hunter, Melissa Piper, Ismail, Noura, Zhang, Xiaoli, Aguda, Baltazar D., Lee, Eun Joo, Yu, Lianbo, Xiao, Tao, Schafer, Jeffrey, Lee, Mei-Ling Ting, Schmittgen, Thomas D., Nana-Sinkam, S. Patrick, Jarjoura, David, Marsh, Clay B.·2008·PLoS ONE

Abstract

BACKGROUND: MicroRNAs (miRNA) are small non-coding RNAs that regulate translation of mRNA and protein. Loss or enhanced expression of miRNAs is associated with several diseases, including cancer. However, the identification of circulating miRNA in healthy donors is not well characterized. Microvesicles, also known as exosomes or microparticles, circulate in the peripheral blood and can stimulate cellular signaling. In this study, we hypothesized that under normal healthy conditions, microvesicles contain miRNAs, contributing to biological homeostasis. METHODOLOGY/PRINCIPAL FINDINGS: Microvesicles were isolated from the plasma of normal healthy individuals. RNA was isolated from both the microvesicles and matched mononuclear cells and profiled for 420 known mature miRNAs by real-time PCR. Hierarchical clustering of the data sets indicated significant differences in miRNA expression between peripheral blood mononuclear cells (PBMC) and plasma microvesicles. We observed 71 miRNAs co-expressed between microvesicles and PBMC. Notably, we found 33 and 4 significantly differentially expressed miRNAs in the plasma microvesicles and mononuclear cells, respectively. Prediction of the gene targets and associated biological pathways regulated by the detected miRNAs was performed. The majority of the miRNAs expressed in the microvesicles from the blood were predicted to regulate cellular differentiation of blood cells and metabolic pathways. Interestingly, a select few miRNAs were also predicted to be important modulators of immune function. CONCLUSIONS: This study is the first to identify and define miRNA expression in circulating plasma microvesicles of normal subjects. The data generated from this study provides a basis for future studies to determine the predictive role of peripheral blood miRNA signatures in human disease and will enable the definition of the biological processes regulated by these miRNA.

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Metadata

Authors
Hunter, M. P., Ismail, N., Zhang, X., Aguda, B. D., Lee, E. J., Yu, L., Xiao, T., Schafer, J., Lee, M.-L. T., Schmittgen, T. D., Nana-Sinkam, S. P., Jarjoura, D., & Marsh, C. B.
Venue
PLoS ONE
Published
2008-11-11
Volume
3
Issue
11
Pages
e3694
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2112187582
Cited by
1,452
References
12
FWCI
24.32
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Detection of microRNA Expression in Human Peripheral Blood Microvesicles. https://app.cochat.ai/papers/10.1371/journal.pone.0003694
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Hunter, M. P., Ismail, N., Zhang, X., Aguda, B. D., Lee, E. J., Yu, L., Xiao, T., Schafer, J., Lee, M.-L. T., Schmittgen, T. D., Nana-Sinkam, S. P., Jarjoura, D., & Marsh, C. B. (2008). Detection of microRNA Expression in Human Peripheral Blood Microvesicles. PLoS ONE. https://doi.org/10.1371/journal.pone.0003694

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