Cited by 1,241

Microarray profiling of microRNAs reveals frequent coexpression with neighboring miRNAs and host genes

BASKERVILLE, SCOTT, BARTEL, DAVID P.·2005·RNA

Abstract

MicroRNAs (miRNAs) are short endogenous RNAs known to post-transcriptionally repress gene expression in animals and plants. A microarray profiling survey revealed the expression patterns of 175 human miRNAs across 24 different human organs. Our results show that proximal pairs of miRNAs are generally coexpressed. In addition, an abrupt transition in the correlation between pairs of expressed miRNAs occurs at a distance of 50 kb, implying that miRNAs separated by <50 kb typically derive from a common transcript. Some microRNAs are within the introns of host genes. Intronic miRNAs are usually coordinately expressed with their host gene mRNA, implying that they also generally derive from a common transcript, and that in situ analyses of host gene expression can be used to probe the spatial and temporal localization of intronic miRNAs.

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  • A subset of miR-15/107 miRNA genes has been detected in mammalian tissues including heart, skeletal muscle, brain, lung, liver, kidney, spleen and placenta.

    “A subset of these miRNA genes has been detected in mammalian tissues including heart, skeletal muscle, brain, lung, liver, kidney, spleen and placenta [25–31].”

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Research works printed but not linked: 3

  1. Breslauer, K.J., Frank, R., Blocker, H., and Marky, L.A. 1986. Predict- ing DNA duplex stability from the base sequence. Proc. Natl. Acad. Sci. 83: 3746-3750.
  2. Kim, J., Krichevsky, A., Grad, Y., Hayes, G.D., Kosik, K.S., Church, G.M., and Ruvkun, G. 2004. Identification of many microRNAs that copurify with polyribosomes in mammalian neurons. Proc. Natl. Acad. Sci. 101: 360-365.
  3. Liu, C.G., Calin, G.A., Meloon, B., Gamliel, N., Sevignani, C., Ferracin, M., Dumitru, C.D., Shimizu, M., Zupo, S., Dono, M., et al. 2004. An oligonucleotide microchip for genome-wide microRNA profil- ing in human and mouse tissues. Proc. Natl. Acad. Sci. 101: 9740- 9744.

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Authors
BASKERVILLE, S., & BARTEL, D. P.
Venue
RNA
Published
2005-02-08
Volume
11
Issue
3
Pages
241-247
ISSN
  • 1355-8382
  • 1469-9001
Cited by
1,241
References
2
Language
en

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