目的:基于网络药理学和分子对接技术探究海藻、昆布治疗Graves病的作用机制。方法:借助中药系统药理学数据库与分析平台(TCMSP)获得中药海藻、昆布的活性成分、靶点,运用蛋白质数据库Uniprot将靶点的基因名称规范化。分别在GeneCards、O...目的:基于网络药理学和分子对接技术探究海藻、昆布治疗Graves病的作用机制。方法:借助中药系统药理学数据库与分析平台(TCMSP)获得中药海藻、昆布的活性成分、靶点,运用蛋白质数据库Uniprot将靶点的基因名称规范化。分别在GeneCards、OMIM、DrugBank等数据库上检索Graves疾病靶点,使用R语言绘制海藻、昆布与Graves病交集靶点的韦恩图,并通过Cytoscape 3.8.2软件绘制“海藻、昆布-Graves病”活性成分-靶点图以及蛋白质-蛋白质相互作用网络图。利用DAVID数据库对药物与疾病交集基因进行基因本体论(GO)功能分析、京都基因与基因组百科全书(KEGG)通路富集分析。在PubChem数据库中下载小分子配体结构,在PDB数据库中下载蛋白受体结构,运用Autodock vina进行分子对接。结果:筛选出海藻、昆布与Graves病相关的活性成分11个、蛋白123个。GO功能富集分析显示,有生物过程585个、细胞组分63个、分子功能125个。KEGG通路富集分析显示,有相关通路149个。分子对接展现了具有较好相互作用的核心成分与核心蛋白的对接效果,核心成分有槲皮素和花生四烯酸,核心蛋白有Jun原癌基因(Jun Proto-Oncogene,JUN)、丝裂原活化蛋白激酶(MitogenActivated Protein Kinase,MAPK)1、肿瘤蛋白p53(Tumor Protein p53,TP53)。海藻、昆布可能通过调节晚期糖基化终末产物-晚期糖基化终末产物受体(AGE-RAGE)、肿瘤坏死因子(Tumor Necrosis Factor,TNF)等信号通路发挥治疗Graves病的作用。结论:海藻、昆布有效成分可能是槲皮素、花生四烯酸,它们分别通过JUN、MAPK1、TP53靶点蛋白,以及TNF-α、AGERAGE通路治疗Graves病。展开更多
Laminaria japonica Aresch as an edible and medicine dual-purpose marine algae,has been gradually accepted by people.Tofu was Chinese traditional food,combining kelp function ingredients with tofu has practical value.T...Laminaria japonica Aresch as an edible and medicine dual-purpose marine algae,has been gradually accepted by people.Tofu was Chinese traditional food,combining kelp function ingredients with tofu has practical value.The extraction-optimization methodology and the sequences of kelp antihypertensive peptide(KAP)were investigated.The sensory,whiteness,water retention ability(WRA)and microstructure of KAP tofu were evaluated.The scanning electron microscope(SEM)results showed KAP addition(20%)significantly improved the tofu texture,with a denser network composed of relatively even pores.Compared with gypsum tofu and glucose-δ-interior fat(GDL)tofu,KAP tofu had significantly higher WRA(94.49±0.49)%and sensory evaluation score value(92.54±0.52),and a significantly lower IC_(50) value at(2.06±0.04)mg/mL(P<0.05).The maximum IC_(50) value(4.14 mg/mL)of kelp enzymatic hydrolysate was observed at enzyme(at an alkaline protease:trypsin ratio of 2:1)concentration 1.5%,temperature 55℃ and time 2 h.The sequences of 8 identified peptides were Lys-Tyr,Phe-Tyr,Gly-Lys-Tyr,Ala-Lys-Tyr,Ser-Lys-Thr-Tyr,Lys-Lys-Phe-Tyr,Lys-Phe-Lys-Tyr and Ala-Lys-Tyr-Ser-Tyr with IC_(50) values of 5.24,4.83,7.94,7.52,20.63,15.33,10.73 and 2.42μmol/L,respectively.These results indicated the potential use of KAP tofu as a valuable resource for development of functional foods.展开更多
文摘目的:基于网络药理学和分子对接技术探究海藻、昆布治疗Graves病的作用机制。方法:借助中药系统药理学数据库与分析平台(TCMSP)获得中药海藻、昆布的活性成分、靶点,运用蛋白质数据库Uniprot将靶点的基因名称规范化。分别在GeneCards、OMIM、DrugBank等数据库上检索Graves疾病靶点,使用R语言绘制海藻、昆布与Graves病交集靶点的韦恩图,并通过Cytoscape 3.8.2软件绘制“海藻、昆布-Graves病”活性成分-靶点图以及蛋白质-蛋白质相互作用网络图。利用DAVID数据库对药物与疾病交集基因进行基因本体论(GO)功能分析、京都基因与基因组百科全书(KEGG)通路富集分析。在PubChem数据库中下载小分子配体结构,在PDB数据库中下载蛋白受体结构,运用Autodock vina进行分子对接。结果:筛选出海藻、昆布与Graves病相关的活性成分11个、蛋白123个。GO功能富集分析显示,有生物过程585个、细胞组分63个、分子功能125个。KEGG通路富集分析显示,有相关通路149个。分子对接展现了具有较好相互作用的核心成分与核心蛋白的对接效果,核心成分有槲皮素和花生四烯酸,核心蛋白有Jun原癌基因(Jun Proto-Oncogene,JUN)、丝裂原活化蛋白激酶(MitogenActivated Protein Kinase,MAPK)1、肿瘤蛋白p53(Tumor Protein p53,TP53)。海藻、昆布可能通过调节晚期糖基化终末产物-晚期糖基化终末产物受体(AGE-RAGE)、肿瘤坏死因子(Tumor Necrosis Factor,TNF)等信号通路发挥治疗Graves病的作用。结论:海藻、昆布有效成分可能是槲皮素、花生四烯酸,它们分别通过JUN、MAPK1、TP53靶点蛋白,以及TNF-α、AGERAGE通路治疗Graves病。
基金supported by the Natural Science Foundation of Fujian Province (2020J01558)the Expert Workstation of Fuzhou Hailin Food Co., Ltd
文摘Laminaria japonica Aresch as an edible and medicine dual-purpose marine algae,has been gradually accepted by people.Tofu was Chinese traditional food,combining kelp function ingredients with tofu has practical value.The extraction-optimization methodology and the sequences of kelp antihypertensive peptide(KAP)were investigated.The sensory,whiteness,water retention ability(WRA)and microstructure of KAP tofu were evaluated.The scanning electron microscope(SEM)results showed KAP addition(20%)significantly improved the tofu texture,with a denser network composed of relatively even pores.Compared with gypsum tofu and glucose-δ-interior fat(GDL)tofu,KAP tofu had significantly higher WRA(94.49±0.49)%and sensory evaluation score value(92.54±0.52),and a significantly lower IC_(50) value at(2.06±0.04)mg/mL(P<0.05).The maximum IC_(50) value(4.14 mg/mL)of kelp enzymatic hydrolysate was observed at enzyme(at an alkaline protease:trypsin ratio of 2:1)concentration 1.5%,temperature 55℃ and time 2 h.The sequences of 8 identified peptides were Lys-Tyr,Phe-Tyr,Gly-Lys-Tyr,Ala-Lys-Tyr,Ser-Lys-Thr-Tyr,Lys-Lys-Phe-Tyr,Lys-Phe-Lys-Tyr and Ala-Lys-Tyr-Ser-Tyr with IC_(50) values of 5.24,4.83,7.94,7.52,20.63,15.33,10.73 and 2.42μmol/L,respectively.These results indicated the potential use of KAP tofu as a valuable resource for development of functional foods.
