دورية أكاديمية
Chemotherapy increases CDA expression and sensitizes malignant pleural mesothelioma cells to capecitabine treatment
| العنوان: | Chemotherapy increases CDA expression and sensitizes malignant pleural mesothelioma cells to capecitabine treatment |
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| المؤلفون: | Darya Karatkevich, Tereza Losmanova, Philipp Zens, Haibin Deng, Christelle Dubey, Tuo Zhang, Corsin Casty, Yanyun Gao, Christina Neppl, Sabina Berezowska, Wenxiang Wang, Ren-Wang Peng, Ralph Alexander Schmid, Patrick Dorn, Thomas Michael Marti |
| المصدر: | Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024) |
| بيانات النشر: | Nature Portfolio, 2024. |
| سنة النشر: | 2024 |
| المجموعة: | LCC:Medicine LCC:Science |
| مصطلحات موضوعية: | Chemotherapy, Cisplatin, Pemetrexed, Capecitabine, Cytidine deaminase, Mesothelioma, Medicine, Science |
| الوصف: | Abstract The combination of cisplatin and pemetrexed remains the gold standard chemotherapy for malignant pleural mesothelioma (MPM), although resistance and poor response pose a significant challenge. Cytidine deaminase (CDA) is a key enzyme in the nucleotide salvage pathway and is involved in the adaptive stress response to chemotherapy. The cytidine analog capecitabine and its metabolite 5′-deoxy-5-fluorocytidine (5’-DFCR) are converted via CDA to 5-fluorouracil, which affects DNA and RNA metabolism. This study investigated a schedule-dependent treatment strategy, proposing that initial chemotherapy induces CDA expression, sensitizing cells to subsequent capecitabine treatment. Basal CDA protein expression was low in different mesothelioma cell lines but increased in the corresponding xenografts. Standard chemotherapy increased CDA protein levels in MPM cells in vitro and in vivo in a schedule-dependent manner. This was associated with epithelial-to-mesenchymal transition and with HIF-1alpha expression at the transcriptional level. In addition, pretreatment with cisplatin and pemetrexed in combination sensitized MPM xenografts to capecitabine. Analysis of a tissue microarray (TMA) consisting of samples from 98 human MPM patients revealed that most human MPM samples had negative CDA expression. While survival curves based on CDA expression in matched samples clearly separated, significance was not reached due to the limited sample size. In non-matched samples, CDA expression before but not after neoadjuvant therapy was significantly associated with worse overall survival. In conclusion, chemotherapy increases CDA expression in xenografts, which is consistent with our in vitro results in MPM and lung cancer. A subset of matched patient samples showed increased CDA expression after therapy, suggesting that a schedule-dependent treatment strategy based on chemotherapy and capecitabine may benefit a selected MPM patient population. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English |
| تدمد: | 2045-2322 |
| Relation: | https://doaj.org/toc/2045-2322 |
| DOI: | 10.1038/s41598-024-69347-x |
| URL الوصول: | https://doaj.org/article/b97b92bc2b4847fca5438e0799a61a42 |
| رقم الأكسشن: | edsdoj.b97b92bc2b4847fca5438e0799a61a42 |
| قاعدة البيانات: | Directory of Open Access Journals |
Find this article in full text from Springer Verlag. 
Full Text Finder | تدمد: | 20452322 |
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| DOI: | 10.1038/s41598-024-69347-x |