| Inhibition of Cyclin D1 by shRNA Is Associated with Enhanced Sensitivity to Conventional Therapies for Head and Neck Squamous Cell Carcinoma. | |
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MedLine Citation:
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PMID: 22213296 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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BACKGROUND: Overexpression of cyclin D1 is associated with resistance to chemotherapy and radiotherapy in several types of cancer including head and neck squamous cell carcinoma (HNSCC). MATERIALS AND METHODS: Cyclin D1 was silenced in an HNSCC cell line and its effect tested in sensitizing the cells to cisplatin, in vitro as well as in vivo. The HNSCC cell line NT8e, which is a chemoresistant, cyclin D1 over-expressing cell line, was used in the study. RNAi (shRNA) against cyclin D1 was designed and cloned in a vector. RESULTS: Stable silencing of cyclin D1 resulted in delayed cell cycle progression and significantly sensitized the cells to cisplatin. Effective cell kill was achieved at a much lower therapeutic dose in vivo. CONCLUSION: Suboptimal concentrations of cisplatin could be used in vivo to eradicate xenograft tumors indicating the promise of combining vector-based cyclin D1 silencing with chemotherapy to achieve maximum tumor regression. |
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Authors:
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Vishal Kothari; Rita Mulherkar |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Anticancer research Volume: 32 ISSN: 1791-7530 ISO Abbreviation: Anticancer Res. Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-01-03 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8102988 Medline TA: Anticancer Res Country: Greece |
Other Details:
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Languages: eng Pagination: 121-8 Citation Subset: IM |
Affiliation:
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ACTREC, Tata Memorial Centre, Kharghar, Navi Mumbai, 410210, India. rmulherkar@actrec.gov.in. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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