Novel Therapeutic Regimens For Urethane-Induced Early Lung Cancer In Rats: Combined Cisplatin Nanoparticles With Vitamin-D-3
IUBMB LIFE(2021)
摘要
Lung cancer remains incurable; therefore, novel therapeutical approaches are of great demand. This study was designed to investigate the effectiveness of cisplatin nanoparticles combined with vitamin-D-3 on urethane-induced early lung cancer in rats and to clarify the underlying signaling mechanisms. Early lung cancer was induced in male Wistar rats by urethane. Rats were divided into six groups: I-control, II-cancer untreated, III-cancer + free cisplatin, IV-cancer + cisplatin nanoparticles, V-cancer + free cisplatin + vitamin-D-3, VI-cancer + cisplatin nanoparticles + vitamin-D-3. Inflammation, proliferation, and apoptosis were evaluated together with the levels of tumor marker CK-19 along with histological assessment. Treatment of lung cancer with either free or nanoparticles of cisplatin alone demonstrated significant suppression in the expression of inflammatory, anti-apoptotic and tumor markers compared to rats with lung cancer. Moreover, vitamin-D-3 supplementation with either cisplatin forms lead to a further decrease of all markers, markedly with cisplatin nanoparticles. The present study shows the synergistic effect of cisplatin-nanoparticles combined with vitamin-D-3 as a new therapy regimen against lung cancer. Further studies with larger sample sizes and longer duration are needed to confirm these results.
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关键词
cisplatin, lung cancer, nanoparticles, urethane, vitamin‐, D-3
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