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- Author: Simona Michienzi x
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Centro Ricerca AFaR, Ospedale San Pietro FBF, Via Cassia 600, 00189, Rome, Italy
Istituto Dermopatico dell’Immacolata, IDI, IRCSS, Rome, Italy
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Centro Ricerca AFaR, Ospedale San Pietro FBF, Via Cassia 600, 00189, Rome, Italy
Istituto Dermopatico dell’Immacolata, IDI, IRCSS, Rome, Italy
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Centro Ricerca AFaR, Ospedale San Pietro FBF, Via Cassia 600, 00189, Rome, Italy
Istituto Dermopatico dell’Immacolata, IDI, IRCSS, Rome, Italy
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Centro Ricerca AFaR, Ospedale San Pietro FBF, Via Cassia 600, 00189, Rome, Italy
Istituto Dermopatico dell’Immacolata, IDI, IRCSS, Rome, Italy
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Centro Ricerca AFaR, Ospedale San Pietro FBF, Via Cassia 600, 00189, Rome, Italy
Istituto Dermopatico dell’Immacolata, IDI, IRCSS, Rome, Italy
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Centro Ricerca AFaR, Ospedale San Pietro FBF, Via Cassia 600, 00189, Rome, Italy
Istituto Dermopatico dell’Immacolata, IDI, IRCSS, Rome, Italy
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Centro Ricerca AFaR, Ospedale San Pietro FBF, Via Cassia 600, 00189, Rome, Italy
Istituto Dermopatico dell’Immacolata, IDI, IRCSS, Rome, Italy
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Centro Ricerca AFaR, Ospedale San Pietro FBF, Via Cassia 600, 00189, Rome, Italy
Istituto Dermopatico dell’Immacolata, IDI, IRCSS, Rome, Italy
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Centro Ricerca AFaR, Ospedale San Pietro FBF, Via Cassia 600, 00189, Rome, Italy
Istituto Dermopatico dell’Immacolata, IDI, IRCSS, Rome, Italy
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The pancreatic adenocarcinoma is an aggressive and devastating disease, which is characterized by invasiveness, rapid progression, and profound resistance to actual treatments, including chemotherapy and radiotherapy. At the moment, surgical resection provides the best possibility for long-term survival, but is feasible only in the minority of patients, when advanced disease chemotherapy is considered, although the effects are modest. Several studies have shown that thyroid hormone, 3,3′,5-triiodo-l-thyronine (T3) is able to promote or inhibit cell proliferation in a cell type-dependent manner. The aim of the present study is to investigate the ability of T3 to reduce the cell growth of the human pancreatic duct cell lines chosen, and to increase the effect of chemotherapeutic drugs at conventional concentrations. Three human cell lines hPANC-1, Capan1, and HPAC have been used as experimental models to investigate the T3 effects on pancreatic adenocarcinoma cell proliferation. The hPANC-1 and Capan1 cell proliferation was significantly reduced, while the hormone treatment was ineffective for HPAC cells. The T3-dependent cell growth inhibition was also confirmed by fluorescent activated cell sorting analysis and by cell cycle-related molecule analysis. A synergic effect of T3 and chemotherapy was demonstrated by cell kinetic experiments performed at different times and by the traditional isobologram method. We have showed that thyroid hormone T3 and its combination with low doses of gemcitabine (dFdCyd) and cisplatin (DDP) is able to potentiate the cytotoxic action of these chemotherapic drugs. Treatment with 5-fluorouracil was, instead, largely ineffective. In conclusion, our data support the hypothesis that T3 and its combination with dFdCyd and DDP may act in a synergic way on adenopancreatic ductal cells.
