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Cited by 948

The DOI matches its Crossref record; 20 of the 20 references it cites were found in a registry or an index.

MicroRNA expression profiling of human breast cancer identifies new markers of tumor subtype

Open access
Blenkiron, Cherie, Goldstein, Leonard D, Thorne, Natalie P, Spiteri, Inmaculada, Chin, Suet-Feung, Dunning, Mark J, Barbosa-Morais, Nuno L, Teschendorff, Andrew E, Green, Andrew R, Ellis, Ian O, Tavaré, Simon, Caldas, Carlos, Miska, Eric A·2007·Genome Biology

Abstract

Background: MicroRNAs (miRNAs), a class of short non-coding RNAs found in many plants and animals, often act post-transcriptionally to inhibit gene expression. Results: Here we report the analysis of miRNA expression in 93 primary human breast tumors, using a bead-based flow cytometric miRNA expression profiling method. Of 309 human miRNAs assayed, we identify 133 miRNAs expressed in human breast and breast tumors. We used mRNA expression profiling to classify the breast tumors as luminal A, luminal B, basal-like, HER2+ and normal-like. A number of miRNAs are differentially expressed between these molecular tumor subtypes and individual miRNAs are associated with clinicopathological factors. Furthermore, we find that miRNAs could classify basal versus luminal tumor subtypes in an independent data set. In some cases, changes in miRNA expression correlate with genomic loss or gain; in others, changes in miRNA expression are likely due to changes in primary transcription and or miRNA biogenesis. Finally, the expression of DICER1 and AGO2 is correlated with tumor subtype and may explain some of the changes in miRNA expression observed. Conclusion: This study represents the first integrated analysis of miRNA expression, mRNA expression and genomic changes in human breast cancer and may serve as a basis for functional studies of the role of miRNAs in the etiology of breast cancer. Furthermore, we demonstrate that bead-based flow cytometric miRNA expression profiling might be a suitable platform to classify breast cancer into prognostic molecular subtypes.

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Crossref · 10.1186/gb-2007-8-10-r214

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Metadata

Authors
Blenkiron, C., Goldstein, L. D., Thorne, N. P., Spiteri, I., Chin, S.-F., Dunning, M. J., Barbosa-Morais, N. L., Teschendorff, A. E., Green, A. R., Ellis, I. O., Tavaré, S., Caldas, C., & Miska, E. A.
Venue
Genome Biology
Published
2007-10-08
Volume
8
Issue
10
Pages
R214-R214
ISSN
  • 1465-6906 (ISSN-L)
  • 1474-760X
OpenAlex
W2124007301
Cited by
948
References
20
FWCI
19.29
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: MicroRNA expression profiling of human breast cancer identifies new markers of tumor subtype. https://app.cochat.ai/papers/10.1186/gb-2007-8-10-r214
The paper
Blenkiron, C., Goldstein, L. D., Thorne, N. P., Spiteri, I., Chin, S.-F., Dunning, M. J., Barbosa-Morais, N. L., Teschendorff, A. E., Green, A. R., Ellis, I. O., Tavaré, S., Caldas, C., & Miska, E. A. (2007). MicroRNA expression profiling of human breast cancer identifies new markers of tumor subtype. Genome Biology. https://doi.org/10.1186/gb-2007-8-10-r214

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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