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| 1 | 姜黄素抑制Caco-2细胞胆固醇吸收的作用及机制研究显示文摘目的探讨姜黄素对Caco-2细胞胆固醇吸收的影响以及可能机制。方法建立Caco-2细胞单层模型,分别用25、50、100μmol/L姜黄素或胆固醇吸收转运蛋白尼曼-匹克C1型类似蛋白1(NPC1L1)的抑制剂依折麦布孵育细胞24h或2h后,再用[14C]-胆固醇微胶溶液孵育细胞2h。用液闪计数仪检测细胞胆固醇吸收量,荧光定量PCR和Western blot检测NPC1L1的基因和蛋白表达量。结果 Caco-2细胞[14C]-胆固醇吸收可被依折麦布呈浓度依赖性地抑制,表明本研究建立的单层Caco-2细胞模型的胆固醇吸收是由NPC1L1所介导的。姜黄素能有效的下调NPC1L1的基因及蛋白表达水平,降低Caco-2细胞胆固醇吸收,100μmol/L姜黄素可引起40%胆固醇吸收下降。结论姜黄素能够降低Caco-2细胞胆固醇吸收,这可能与其抑制NPC1L1表达有关。 | 冯丹 凌文华 | 2011 | 营养学报2011，33，5： | 4 |
| 2 | Health aspects of peanuts as an outcome of its chemical composition显示文摘Peanut is an energy dense food item and it contains a substantial amount of fat,proteins,carbohydrate,both fat soluble and water soluble vitamins,minerals and phytochemicals.Peanuts are consumed worldwide due to its high nutritional value and pleasant or unique flavor after roasting or boiling.The lipid,protein and carbohydrate not only provide energy,but also provide essential nutrients for normal body functions such as body fat and muscle buildup.Vitamins are needed for normal cell function,growth,development,disease prevention and act as coenzymes during the production of energy.Due to the high nutrient contents of peanuts,they have been used to combat malnutrition in most developing countries.Epidemiologic studies have associated nut consumption with a reduced incidence of cardiovascular heart diseases and gallstones in both genders and diabetes in women.Limited evidence also suggests beneficial effects on hypertension,cancer,and inflammation.The health risk associated with peanut consumption is allergy in developed countries.The review discusses the health aspects,including allergy,of peanut consumption as they related to the chemical composition of peanuts using literatures published in past two decades with exceptions of a few older articles. | Rabiatu Bonku Jianmei Yu | 2020 | Food Science and Human Wellness2020，9，1： | 2 |
| 3 | 碱性鞘磷脂酶对Caco-2细胞胆固醇吸收的影响及机制研究显示文摘目的探讨碱性鞘磷脂酶(Alk-SMase)对Caco-2细胞胆固醇吸收的影响以及可能机制。方法建立Caco-2细胞单层模型,用100 units/L Alk-SMase孵育细胞24 h后,再用[14C]-胆固醇微胶溶液孵育细胞2 h。用液闪计数仪(LSC)检测细胞胆固醇吸收量,薄层层析法分离膜磷脂、LSC检测细胞膜[14C]-鞘磷脂含量。结果 [14C]-胆固醇在Caco-2细胞中的吸收呈时间依赖性增加。Alk-SMase能够明显降低Caco-2细胞胆固醇吸收,并减少Caco-2细胞膜鞘磷脂含量,100 mu/ml Alk-SMase能够引起80%[14C]-标记的膜鞘磷脂水解。结论 Alk-SMase能够抑制Caco-2细胞胆固醇吸收,这可能与其水解膜鞘磷脂有关。 | 邹军 冯丹 吕小飞 苏东房 凌文华 | 2013 | 营养学报2013，35，1： | 2 |
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