| Data submission and quality in microarray-based microRNA profiling. | |
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MedLine Citation:
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PMID: 23358751 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Public sharing of scientific data has assumed greater importance in the omics era. Transparency is necessary for confirmation and validation, and multiple examiners aid in extracting maximal value from large data sets. Accordingly, database submission and provision of the Minimum Information About a Microarray Experiment (MIAME)(3) are required by most journals as a prerequisite for review or acceptance. METHODS: In this study, the level of data submission and MIAME compliance was reviewed for 127 articles that included microarray-based microRNA (miRNA) profiling and were published from July 2011 through April 2012 in the journals that published the largest number of such articles--PLOS ONE, the Journal of Biological Chemistry, Blood, and Oncogene--along with articles from 9 other journals, including Clinical Chemistry, that published smaller numbers of array-based articles. RESULTS: Overall, data submission was reported at publication for <40% of all articles, and almost 75% of articles were MIAME noncompliant. On average, articles that included full data submission scored significantly higher on a quality metric than articles with limited or no data submission, and studies with adequate description of methods disproportionately included larger numbers of experimental repeats. Finally, for several articles that were not MIAME compliant, data reanalysis revealed less than complete support for the published conclusions, in 1 case leading to retraction. CONCLUSIONS: These findings buttress the hypothesis that reluctance to share data is associated with low study quality and suggest that most miRNA array investigations are underpowered and/or potentially compromised by a lack of appropriate reporting and data submission. |
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Authors:
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Kenneth W Witwer |
Publication Detail:
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Type: Journal Article; Review |
Journal Detail:
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Title: Clinical chemistry Volume: 59 ISSN: 1530-8561 ISO Abbreviation: Clin. Chem. Publication Date: 2013 Feb |
Date Detail:
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Created Date: 2013-01-29 Completed Date: 2013-05-13 Revised Date: 2013-05-13 |
Medline Journal Info:
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Nlm Unique ID: 9421549 Medline TA: Clin Chem Country: United States |
Other Details:
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Languages: eng Pagination: 392-400 Citation Subset: IM |
Copyright Information:
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© 2012 American Association for Clinical Chemistry |
Affiliation:
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Department of Molecular and Comparative Pathobiology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA. kwitwer1@jhmi.edu |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Biological Markers
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analysis Gene Expression Profiling* Humans Information Dissemination* MicroRNAs / analysis, biosynthesis*, genetics Oligonucleotide Array Sequence Analysis* Periodicals as Topic* Research Design* |
| Grant Support | |
ID/Acronym/Agency:
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R01 NS076357/NS/NINDS NIH HHS |
| Chemical | |
Reg. No./Substance:
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0/Biological Markers; 0/MicroRNAs |
| Comments/Corrections | |
Comment In:
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Clin Chem. 2013 Mar;59(3):459-61
[PMID:
23340443
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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