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Stenner, F; Liewen, H; Zweifel, M; Weber, A; Tchinda, J; Bode, B; Samaras, P; Bauer, S; Knuth, A; Renner, C (2008). Targeted therapeutic approach for an anaplastic thyroid cancer in vitro and in vivo. Cancer Science, 99(9):1847-1852.

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Abstract

Anaplastic thyroid carcinoma (ATC) is among the most aggressive human malignancies, being responsible for the majority of thyroid cancer-related deaths. Despite multimodal therapy including surgery, chemotherapy, and radiotherapy, the outcome of ATC is poor. The human ATC cell line MB1, derived from tumor tissue of a 57-year-old man with thyroid cancer and pronounced neutrophilia, was established from surgically excised tumor tissue. The karyotype of the cell line shows many chromosomal abnormalities. Preclinical investigations have shown antitumor activity and effectiveness of the BRAF kinase inhibitor Sorafenib and the proteasome inhibitor Bortezomib. After establishment of the MB1 cell line these agents were applied in vitro and, showing activity in a cell culture model, were also used for in vivo treatment. Sorafenib had some clinical effect, namely normalization of leucocytosis, but had no sustained impact on subsequent tumor growth and development of distant metastasis. Molecular diagnostics of the tumor demonstrated no BRAF mutations in exons 11 and 15 concordant with a rather modest effect of Sorafenib on MB1 cell growth. Clinical benefit was seen with subsequent bortezomib therapy inducing a temporary halt to lymph node growth and a progression-free interval of 7 weeks. Our observations together with previous data from preclinical models could serve as a rationale for selecting those patients suffering from ATC most likely to benefit from targeted therapy. A prospective controlled randomized trial integrating kinase and proteasome inhibitors into a therapeutic regime for ATC is warranted.

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8 citations in Web of Science®
10 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Hematology
04 Faculty of Medicine > University Hospital Zurich > Clinic for Oncology
04 Faculty of Medicine > University Hospital Zurich > Institute of Surgical Pathology
DDC:610 Medicine & health
Language:English
Date:September 2008
Deposited On:14 Jan 2009 10:13
Last Modified:28 Nov 2013 01:25
Publisher:Wiley-Blackwell
ISSN:1347-9032
Additional Information:The definitive version is available at http://www3.interscience.wiley.com/journal/120696476/abstract?CRETRY=1&SRETRY=0
Publisher DOI:10.1111/j.1349-7006.2008.00882.x
PubMed ID:18616678

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