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首页> 外文期刊>Evidence-based complementary and alternative medicine: eCAM >Purple Sweet Potato Leaf Extract Induces Apoptosis and Reduces Inflammatory Adipokine Expression in 3T3-L1 Differentiated Adipocytes
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Purple Sweet Potato Leaf Extract Induces Apoptosis and Reduces Inflammatory Adipokine Expression in 3T3-L1 Differentiated Adipocytes

机译:紫色甘薯叶提取物诱导细胞凋亡并减少3T3-L1分化脂肪细胞的炎症adipokine表达

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Background. Purple sweet potato leaves (PSPL) are widely grown and are considered a healthy vegetable in Taiwan. PSPL contain a high content of flavonoids, and the boiling water-extracted PSPL (PSPLE) is believed to prevent metabolic syndrome. However, its efficacy has not yet been verified. Therefore, we investigated the effect of PSPLE on adipocytes.Methods. The differentiated 3T3-L1 cells used in this study were derived from preadipocytes that were differentiated into adipocytes using an adipogenic agent (insulin, dexamethasone, and 3-isobutyl-1-methylxanthine); approximately 90% of the cells were differentiated using this method.Results. Treating the differentiated 3T3-L1 cells with PSPLE caused a dose-dependent decrease in the number of adipocytes rather than preadipocytes. In addition, treatment with PSPLE resulted in apoptosis of the differentiated 3T3-L1 cells as determined by DAPI analysis and flow cytometry. PSPLE also increased the expression of cleaved caspase-3 and poly ADP-ribose polymerase (PARP). Furthermore, PSPLE induced downregulation of interleukin-6 (IL-6) and tumor necrosis factor-α(TNF-α) gene expression in the differentiated 3T3-L1 cells.Conclusions. These results suggest that PSPLE not only induced apoptosis but also downregulated inflammation-associated genes in the differentiated 3T3-L1 cells.
机译:背景。紫色甘薯叶(PSPL)被广泛种植,在台湾被认为是一个健康的蔬菜。 PSPL含有高含量的黄酮类化合物,并且据信沸水提取的PSPL(PSPLE)可防止代谢综合征。但是,它的功效尚未得到验证。因此,我们研究了Psple对adipocytes.methods的影响。本研究中使用的分化的3T3-L1细胞衍生自使用脂肪型剂(胰岛素,地塞米松和3-异丁基-1-甲基黄嘌呤)分化成脂肪细胞的前脂肪细胞;使用该方法对大约90%的细胞进行分化。结果。用Psple治疗分化的3T3-L1细胞导致脂肪细胞数量的剂量依赖性降低而不是普通脂肪细胞。此外,通过DAPI分析和流式细胞术确定分化的3T3-L1细胞的细胞凋亡。 Psple还增加了切割的Caspase-3和聚ADP-核糖聚合酶(PARP)的表达。此外,Psple诱导在分化的3T3-L1细胞中的白细胞介素-6(IL-6)和肿瘤坏死因子-α(TNF-α)基因表达的下调。结论。这些结果表明,Psple不仅诱导细胞凋亡,而且在分化的3T3-L1细胞中诱导细胞凋亡,而且还在下调的炎症相关基因。

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