石榴对苯并(a)芘诱导小鼠肺癌的抗血管生成作用

A. El‐kott
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引用次数: 9

摘要

石榴是黄酮类化合物、鞣花单宁和鞣花酸的一种成分,具有显著的抗癌作用。本研究通过分析石榴汁对苯并(a)芘诱导小鼠肺癌的SOD和CAT抗氧化剂、氧化应激的MDA和血管生成标志物(CD34),探讨了石榴汁对小鼠肺癌的抗血管生成和抗肿瘤作用。口服石榴(10% w/v)对瑞士人白化病小鼠可通过失望MDA、组织病理病变和微血管密度(MVD)抑制肺癌的发展。SOD和CAT抗氧化能力的提高呈显著相关(p<0.05)。本研究结果表明,石榴通过诱导细胞凋亡和抑制新血管形成(血管生成)的能力来抑制小鼠肺癌的发生。我们目前的研究结果表明,石榴汁的保护作用可能部分是由于其有效的抗氧化特性和通过抑制活性氧的形成、保护抗氧化机制和抑制MVD来减少氧化应激、组织病理学损伤的能力。因此,本研究提示石榴对苯并(a)芘诱导的小鼠肺癌具有抗血管生成作用。
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Anti-Angiogenic Effectiveness of the Pomegranate Against Benzo(a)Pyrene Induced Lung Carcinoma in Mice
Pomegranate, a constituent of flavonoids, ellagitannins and ellagic acid is exposed to exert compelling anti-carcinogenic effects. In the present study, we examined the anti-angiogenic and anti-tumorigenic potential of pomegranate juice on benzo(a)pyrene-induced mice lung carcinoma by analyzing the SOD and CAT anti-oxidants, MDA for oxidative stress and the marker of angiogenesis (CD34). Oral administration of pomegranate (10% w/v) to Swiss albino mice suppressed the development of lung carcinoma by disappointment MDA, histopathological lesions and the Micro-Vessels Density (MVD). The significant correlation (p<0.05) was present in an improvements the SOD and CAT anti-oxidants. The results obtained from the present study show that pomegranate inhibits the development of mice lung carcinogenesis through its ability to induce apoptosis and disappointment the formation of new vessels (angiogenesis). Our present findings were that the protective benefits of pomegranate juice may be due in part to its potent anti-oxidant properties and ability to reduce oxidative stress, histopathological injuries by suppressing the formation of reactive oxygen species and protecting the anti-oxidant mechanism and inhibition of MVD. So, this study suggested that the pomegranate is anti-angiogenic effectiveness in the benzo(a)pyrene induced lung carcinoma in mice.
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