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4种膳食纤维的生物活性比较及经P13K通路改善HepG2细胞IR机制探讨的开题报告

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精品文档---下载后可任意编辑4 种膳食纤维的生物活性比较及经 P13K 通路改善HepG2 细胞 IR 机制探讨的开题报告Introduction:Dietary fiber is the indigestible portion of plant foods that has several health benefits including aiding in digestion, reducing the risk of cardiovascular diseases, and lowering blood sugar levels. There are four different types of dietary fiber: soluble fiber, insoluble fiber, resistant starch, and oligosaccharides. Each type has unique properties and biological activities that contribute to their health benefits.Insoluble fiber consists of cellulose, lignin, and some hemicelluloses. It adds bulk to the stool and promotes bowel movement. Soluble fiber, on the other hand, dissolves in water to form a gel-like substance that can bind to cholesterol and glucose, which can then be excreted. Resistant starch is not digested in the small intestine and functions as a prebiotic to promote the growth of beneficial bacteria in the colon. Oligosaccharides are short chains of sugars that are indigestible and also function as prebiotics.Insulin resistance (IR) is a pathological condition in which cells fail to respond to insulin, leading to an accumulation of glucose in the blood. The phosphatidylinositol-3-kinase (PI3K) pathway plays a critical role in regulating insulin signaling. Dysregulation of this pathway can lead to the development of IR. Therefore, identifying natural compounds that can improve IR through the PI3K pathway is of great interest.Objectives:The objectives of this study are to compare the biological activities of the four types of dietary fiber and investigate the effects of these fibers on IR in HepG2 cells through the PI3K pathway.Methods:This study will be conducted in two parts. First, the...

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4种膳食纤维的生物活性比较及经P13K通路改善HepG2细胞IR机制探讨的开题报告

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