Cited by 802Genomics and Phylogenetic StudiesPlatelet Disorders and TreatmentsRNA Research and Splicing

The complex transcriptional landscape of the anucleate human platelet

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Bray, Paul F, McKenzie, Steven E, Edelstein, Leonard C, Nagalla, Srikanth, Delgrosso, Kathleen, Ertel, Adam, Kupper, Joan, Jing, Yi +5 more·2013·BMC Genomics

Abstract

BACKGROUND: Human blood platelets are essential to maintaining normal hemostasis, and platelet dysfunction often causes bleeding or thrombosis. Estimates of genome-wide platelet RNA expression using microarrays have provided insights to the platelet transcriptome but were limited by the number of known transcripts. The goal of this effort was to deep-sequence RNA from leukocyte-depleted platelets to capture the complex profile of all expressed transcripts. RESULTS: From each of four healthy individuals we generated long RNA (≥40 nucleotides) profiles from total and ribosomal-RNA depleted RNA preparations, as well as short RNA (<40 nucleotides) profiles. Analysis of ~1 billion reads revealed that coding and non-coding platelet transcripts span a very wide dynamic range (≥16 PCR cycles beyond β-actin), a result we validated through qRT-PCR on many dozens of platelet messenger RNAs. Surprisingly, ribosomal-RNA depletion significantly and adversely affected estimates of the relative abundance of transcripts. Of the known protein-coding loci, ~9,500 are present in human platelets. We observed a strong correlation between mRNAs identified by RNA-seq and microarray for well-expressed mRNAs, but RNASeq identified many more transcripts of lower abundance and permitted discovery of novel transcripts. CONCLUSIONS: Our analyses revealed diverse classes of non-coding RNAs, including: pervasive antisense transcripts to protein-coding loci; numerous, previously unreported and abundant microRNAs; retrotransposons; and thousands of novel un-annotated long and short intronic transcripts, an intriguing finding considering the anucleate nature of platelets. The data are available through a local mirror of the UCSC genome browser and can be accessed at: http://cm.jefferson.edu/platelets_2012/.

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  1. Kondkar AA Bray MS Leal SM Nagalla S Liu DJ Jin Y Dong JF Ren Q Whiteheart SW Shaw C VAMP8/endobrevin is overexpressed in hyperreactive human platelets: suggested role for platelet microRNA J Thromb Haemost 2010 8 2 369 378 10.1111/j.1538-7836.2009.03700.x 19943878 PMC3312605 · DOI

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Authors
Bray, P. F., McKenzie, S. E., Edelstein, L. C., Nagalla, S., Delgrosso, K., Ertel, A., Kupper, J., Jing, Y., Londin, E., Loher, P., Chen, H.-W., Fortina, P., & Rigoutsos, I.
Affiliations
Thomas Jefferson University (US)
Corresponding author
  • Bray, Paul F
  • Rigoutsos, Isidore
Venue
BMC Genomics
Published
2013
Volume
14
Issue
1
Pages
1
ISSN
1471-2164 (ISSN-L)
OpenAlex
W2168990146
Cited by
802
References
78
Citations by year
2026: 26 · 2025: 85 · 2024: 59 · 2023: 74 · 2022: 77 · 2021: 77 · 2020: 65 · 2019: 51 · 2018: 52 · 2017: 109 · 2016: 73 · 2015: 28 · 2014: 17 · 2013: 8
FWCI
18.70
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • BMC Genomics (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • The Medicine Forum (submittedVersion)
  • IRIS Research product catalog (Sapienza University of Rome) (submittedVersion)
Funders
  • W. M. Keck Foundation
  • National Institutes of Health
  • National Heart, Lung, and Blood Institute (R01HL102482)
  • National Cancer Institute (P30CA056036)
  • National Institute of Allergy and Infectious Diseases (U19AI056363)
  • National Institute on Minority Health and Health Disparities (R01MD007880)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
  • Health Sciences › Medicine › Hematology › Platelet Disorders and Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
Keywords
platelet transcriptome, ribosomal RNA depletion, non-coding RNA, antisense transcripts, microRNA, retrotransposons, novel transcripts, platelet dysfunction, hemostasis
MeSH terms
Blood Platelets, Cell Nucleus, Humans, Introns, Pseudogenes, RNA, Messenger, RNA, Ribosomal, Transcription, Genetic, RNA, Antisense, Sequence Analysis, RNA, Reverse Transcriptase Polymerase Chain Reaction, Internet, Genomics, Data Mining

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