miRNA Signature of Schwannomas: Possible Role(s) of “Tumor Suppressor” miRNAs in Benign Tumors

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miRNA Signature of Schwannomas: Possible Role(s) of “Tumor Suppressor” miRNAs in Benign Tumors

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Title: miRNA Signature of Schwannomas: Possible Role(s) of “Tumor Suppressor” miRNAs in Benign Tumors
Author: Erkan, Erdogan Pekcan; Saydam, Okay; Breakefield, Xandra Owens

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Citation: Erkan, Erdogan Pekcan, Xandra O. Breakefield, and Okay Saydam. 2011. miRNA signature of schwannomas: Possible role(s) of “tumor suppressor” miRNAs in benign tumors. Oncotarget 2(3): 265-270.
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Abstract: miRNAs have been recently implicated as drivers in several carcinogenic processes, where they can act either as oncogenes or as tumor suppressors. Schwannomas arise from Schwann cells, the myelinating cells of the peripheral nervous system. These benign tumors typically result from loss of the neurofibromatosis type 2 (NF2) tumor suppressor gene. We have recently carried out high-throughput miRNA expression profiling of human vestibular schwannomas using an array representing 407 known miRNAs in order to explore the role of miRNAs in the tumorigenesis of schwannomas. We found that miR-7 functions as a “tumor suppressor” by targeting proteins in three major oncogenic pathways - EGFR, Pak1, and Ack1. Interestingly, in this study, we also observed that several previously described potential tumor suppressor miRNAs that are down-regulated in malignant tumors were up-regulated in schwannomas. Here we discuss the possibility that “tumor suppressor” miRNAs may play a role in the transition stage(s) of cancer from benign to malignant forms.
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3260820/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:10288520
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