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Title: | Characterization of the peripheral blood transcriptome in a repeated measures design using a panel of healthy individuals | Authors: | DE BOEVER, Patrick Wens, Britt Forcheh, Anyiawung Chiara Reynders, Hans Nelen, Vera KLEINJANS, J. Van Larebeke, Nicolas VERBEKE, Geert VALKENBORG, Dirk Schoeters, Greet |
Issue Date: | 2014 | Source: | GENOMICS, 103 (1), p. 31-39 | Abstract: | A repeated measures microarray design with 22 healthy, non-smoking volunteers (aging 32 ± 5 years) was set up to study transcriptome profiles in whole blood samples. The results indicate that repeatable data can be obtained with highwithin-subject correlation. Probes that could discriminate between individuals are associated with immune and inflammatory functions. When investigating possible time trends in the microarray data, we have found no differential expression within a sampling period (within-season effect). Differential expression was observed between sampling seasons and the data suggest a weak response of genes related to immune system functioning. Finally, a high number of probes showed significant season-specific expression variability within subjects. Expression variability increased in springtime and there was an association of the probe list with immune system functioning. Our study suggests that the blood transcriptome of healthy individuals is reproducible over a time period of several months. | Notes: | De Boever, P (reprint author), Flemish Inst Technol Res VITO, Unit Environm Risk & Hlth, Ind Vlasmeer 7, B-2400 Mol, Belgium patrick.deboever@vito.be | Keywords: | whole blood; transcriptome; gene expression variability; immune system; biomonitoring; public health | Document URI: | http://hdl.handle.net/1942/16760 | ISSN: | 0888-7543 | e-ISSN: | 1089-8646 | DOI: | 10.1016/j.ygeno.2013.11.006 | ISI #: | 000333512800004 | Rights: | © 2013 Elsevier Inc. All rights reserved. | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2015 |
Appears in Collections: | Research publications |
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