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Cited by 527

The DOI matches its Crossref record; 35 of the 35 references it cites were found in a registry or an index.

MicroRNA deregulation in human thyroid papillary carcinomas

Open access
Pallante, P, Visone, R, Ferracin, M, Ferraro, A, Berlingieri, M T, Troncone, G, Chiappetta, G, Liu, C G, Santoro, M, Negrini, M, Croce, C M, Fusco, A·2006·Endocrine-Related Cancer

Abstract

MicroRNAs (miRNAs) are a class of small non-coding RNAs involved in a wide range of basic processes such as cell proliferation, development, apoptosis and stress response. It has recently been found that they are also abnormally expressed in many types of human cancer. We analyzed the genome-wide miRNA expression profile in human thyroid papillary carcinomas (PTCs) using a microarray (miRNACHIP microarray) containing hundreds of human precursor and mature miRNA oligonucleotide probes. Using this approach, we found an aberrant miRNA expression profile that clearly differentiates PTCs from normal thyroid tissues. In particular, a significant increase in miRNA (miR)-221, -222 and -181b was detected in PTCs in comparison with normal thyroid tissue. These results were further confirmed by northern blot and quantitative RT-PCR analyses. Moreover, RT-PCR revealed miR-221, -222 and -181b overexpression in fine needle aspiration biopsies corresponding to thyroid nodules, which were eventually diagnosed as papillary carcinomas after surgery. Finally, miR-221, -222 and -181b overexpression was also demonstrated in transformed rat thyroid cell lines and in mouse models of thyroid carcinogenesis. Functional studies, performed by blocking miR-221 function and by overexpressing miR-221 in human PTC-derived cell lines, suggest a critical role of miR-221 overexpression in thyroid carcinogenesis. In conclusion, these data, taken together, indicate an miRNA signature associated with PTCs, and suggest miRNA deregulation as an important event in thyroid cell transformation.

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Crossref · 10.1677/erc.1.01209

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Metadata

Authors
Pallante, P., Visone, R., Ferracin, M., Ferraro, A., Berlingieri, M. T., Troncone, G., Chiappetta, G., Liu, C. G., Santoro, M., Negrini, M., Croce, C. M., & Fusco, A.
Venue
Endocrine-Related Cancer
Published
2006-06
Volume
13
Issue
2
Pages
497-508
ISSN
  • 1351-0088 (ISSN-L)
  • 1479-6821
OpenAlex
W2137456310
Cited by
527
References
35
FWCI
14.30
Type
journal article
Language
en
Open access
bronze

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