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Cited by 353

The DOI matches its Crossref record; 140 of the 140 references it cites were found in a registry or an index.

Micro RNA 145 Targets the Insulin Receptor Substrate-1 and Inhibits the Growth of Colon Cancer Cells

Open access
Shi, Bin, Sepp-Lorenzino, Laura, Prisco, Marco, Linsley, Peter, deAngelis, Tiziana, Baserga, Renato·2007·Journal of Biological Chemistry

Abstract

The insulin receptor substrate-1 (IRS-1), a docking protein for both the type 1 insulin-like growth factor receptor (IGF-IR) and the insulin receptor, is known to send a mitogenic, anti-apoptotic, and anti-differentiation signal. Several micro RNAs (miRs) are suggested by the data base as possible candidates for targeting IRS-1. We show here that one of the miRs predicted by the data base, miR145, whether transfected as a synthetic oligonucleotide or expressed from a plasmid, causes down-regulation of IRS-1 in human colon cancer cells. IRS-1 mRNA is not decreased by miR145, while it is down-regulated by an siRNA targeting IRS-1. Targeting of the IRS-1 3'-untranslated region (UTR) by miR145 was confirmed using a reporter gene (luciferase) expressing the miR145 binding sites of the IRS-1 3'-UTR. In agreement with the role of IRS-1 in cell proliferation, we show that treatment of human colon cancer cells with miR145 causes growth arrest comparable to the use of an siRNA against IRS-1. Taken together, these results identify miR145 as a micro RNA that down-regulates the IRS-1 protein, and inhibits the growth of human cancer cells.

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Metadata

Authors
Shi, B., Sepp-Lorenzino, L., Prisco, M., Linsley, P., deAngelis, T., & Baserga, R.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2007-11
Volume
282
Issue
45
Pages
32582-32590
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2162066487
Cited by
353
References
140
FWCI
8.89
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Micro RNA 145 Targets the Insulin Receptor Substrate-1 and Inhibits the Growth of Colon Cancer Cells. https://app.cochat.ai/papers/10.1074/jbc.m702806200
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Shi, B., Sepp-Lorenzino, L., Prisco, M., Linsley, P., deAngelis, T., & Baserga, R. (2007). Micro RNA 145 Targets the Insulin Receptor Substrate-1 and Inhibits the Growth of Colon Cancer Cells. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.m702806200

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.