In recent years,preclinical research on diabetic kidney disease (DKD) has surged to the forefront of scientific and clinical attention.DKD has become a pervasive complication of type 2 diabetes.Given the complexity of...In recent years,preclinical research on diabetic kidney disease (DKD) has surged to the forefront of scientific and clinical attention.DKD has become a pervasive complication of type 2 diabetes.Given the complexity of its etiology and pathological mechanisms,current interventions,including drugs,dietary modifications,exercise,hypoglycemic treatments and lipid-lowering methods,often fall short in achieving desired therapeutic outcomes.Iridoids,primarily derived from the potent components of traditional herbs,have been the subject of long-standing research.Preclinical data suggest that iridoids possess notable renal protective properties;however,there has been no summary of the research on their efficacy in the management and treatment of DKD.This article consolidates findings from in vivo and in vitro research on iridoids in the context of DKD and highlights their shared anti-inflammatory activities in treating this condition.Additionally,it explores how certain iridoid components modify their chemical structures through the regulation of intestinal flora,potentially bolstering their therapeutic effects.This review provides a focused examination of the mechanisms through which iridoids may prevent or treat DKD,offering valuable insights for future research endeavors.展开更多
A new iridoid glycoside 1 and a new iridoid 2 were isolated from the whole plant of Pedicularis kansuensis f. albiflora. Their structures were elucidated by spectroscopie methods.
该研究以巴戟天Morinda officinalis根(MG)、茎(MJ)和叶(MY)为试验材料,利用高效液相色谱(HPLC)对各组织中主要环烯醚萜苷成分进行定性、定量分析;同时,结合转录组数据,通过代谢物和基因关联分析,深入挖掘环烯醚萜苷生物合成途径中的关...该研究以巴戟天Morinda officinalis根(MG)、茎(MJ)和叶(MY)为试验材料,利用高效液相色谱(HPLC)对各组织中主要环烯醚萜苷成分进行定性、定量分析;同时,结合转录组数据,通过代谢物和基因关联分析,深入挖掘环烯醚萜苷生物合成途径中的关键候选基因,并利用荧光定量PCR (qRT-PCR)对关键候选基因的表达水平进行验证。HPLC测定结果表明,巴戟天MG和MJ中环烯醚萜苷含量均显著高于MY,约为MY的2倍。转录组测序结果显示,在MG vs MJ、MG vs MY和MG vs MY 3个比较组中,分别鉴定到6 275、10 108、7 330个差异表达基因(DEGs),在差异基因中注释到21个环烯醚萜苷生物合成途径基因。相关性分析结果表明,DXS、IDI、GES、10-HGO、IS基因与环烯醚萜苷含量均呈正相关关系(r>0.8),推测这5个基因很有可能是环烯醚萜苷合成过程中的关键候选基因。qRT-PCR结果表明,以上5个关键候选基因在不同组织中的表达水平与转录组数据一致。综上,该研究为后续深入解析巴戟天环烯醚萜苷生物合成与调控的分子机制提供了重要的理论依据和研究基础,同时也为优质巴戟天药材的培育和生产提供参考。展开更多
A new acylated iridoid glucoside, namely, 2＇-O-（5-phenyl-2E, 4E-pentadienoyl）- mussaenosidic acid, was isolated from the aerial parts of the mangrove plant Avicennia marina. The structure of the new compound was es...A new acylated iridoid glucoside, namely, 2＇-O-（5-phenyl-2E, 4E-pentadienoyl）- mussaenosidic acid, was isolated from the aerial parts of the mangrove plant Avicennia marina. The structure of the new compound was established on the basis of various NMR spectroscopic analyses, including 2D NMR techniques （^1H-^1H COSY, HMQC, and HMBC） and HR-FAB-MS. This compound displayed moderate antioxidant activity.展开更多
基于一测多评法建立同时测定栀子、山茱萸、胡黄连、玄参4种药材中莫诺苷、栀子苷、马钱苷、胡黄连苷Ⅱ、胡黄连苷Ⅰ和哈巴俄苷6个环烯醚萜苷类成分的含量测定方法。采用超高效液相色谱-四极杆/静电场轨道阱高分辨质谱(UPLC-Q-Exactive ...基于一测多评法建立同时测定栀子、山茱萸、胡黄连、玄参4种药材中莫诺苷、栀子苷、马钱苷、胡黄连苷Ⅱ、胡黄连苷Ⅰ和哈巴俄苷6个环烯醚萜苷类成分的含量测定方法。采用超高效液相色谱-四极杆/静电场轨道阱高分辨质谱(UPLC-Q-Exactive Orbitrap-MS)技术确定栀子等4种药材中各环烯醚萜苷类成分的专属性;采用高效液相色谱(HPLC)法,以栀子苷为内参照物,采用多点校正法,计算得莫诺苷、马钱苷、胡黄连苷Ⅱ、胡黄连苷Ⅰ、哈巴俄苷5个待测组分的相对校正因子,建立一测多评(quantitative analysis of multi-components by single-marker,QAMS)含量测定方法,并与外标法(external standard method,ESM)实测值进行比较。通过多点校正法计算得到莫诺苷、马钱苷、胡黄连苷Ⅱ、胡黄连苷Ⅰ、哈巴俄苷的相对校正因子分别为0.8948、1.0968、1.2849、1.7008、1.4051,QAMS与ESM测定值无显著差异,相对标准偏差小于1.0%。基于一测多评法建立了一种同时测定栀子中栀子苷、山茱萸中莫诺苷和马钱苷、胡黄连中胡黄连苷Ⅱ和胡黄连苷Ⅰ以及玄参中哈巴俄苷6个环烯醚萜苷类成分的含量测定方法,该方法准确、可行,可用于栀子、山茱萸、胡黄连、玄参药材的质量评价,并为其他药材质量评价提供参考。展开更多
基金supported by grants from the National Natural Science Foundation of China (No.82074400)key projects supported by the National Natural Science Foundation of China and Joint Fund for Regional Innovation and Development (No.U21A20411)。
文摘In recent years,preclinical research on diabetic kidney disease (DKD) has surged to the forefront of scientific and clinical attention.DKD has become a pervasive complication of type 2 diabetes.Given the complexity of its etiology and pathological mechanisms,current interventions,including drugs,dietary modifications,exercise,hypoglycemic treatments and lipid-lowering methods,often fall short in achieving desired therapeutic outcomes.Iridoids,primarily derived from the potent components of traditional herbs,have been the subject of long-standing research.Preclinical data suggest that iridoids possess notable renal protective properties;however,there has been no summary of the research on their efficacy in the management and treatment of DKD.This article consolidates findings from in vivo and in vitro research on iridoids in the context of DKD and highlights their shared anti-inflammatory activities in treating this condition.Additionally,it explores how certain iridoid components modify their chemical structures through the regulation of intestinal flora,potentially bolstering their therapeutic effects.This review provides a focused examination of the mechanisms through which iridoids may prevent or treat DKD,offering valuable insights for future research endeavors.
文摘采用硅胶、Sephadex LH-20和高效液相色谱等色谱分离技术,从黄花败酱(Patrinia scabiosaefolia)干燥根和根茎的乙酸乙酯萃取相中分离得到6个环烯醚萜类化合物。通过核磁共振、计算13C NMR和质谱等波谱学方法,将它们分别鉴定为patrinin A (1)、patrinin B (2)、loganin aglycone (3)、isovillosol (4)、1,3-dimethoxy-4,7-dimethyloctahyhro-cyclopenta[c]pyran-6,7-diol (5)和viburnshosin A (6)。其中,化合物1和2为新化合物。此外,对6个化合物进行了抗流感病毒和抗炎活性评价。
文摘A new iridoid glycoside 1 and a new iridoid 2 were isolated from the whole plant of Pedicularis kansuensis f. albiflora. Their structures were elucidated by spectroscopie methods.
文摘该研究以巴戟天Morinda officinalis根(MG)、茎(MJ)和叶(MY)为试验材料,利用高效液相色谱(HPLC)对各组织中主要环烯醚萜苷成分进行定性、定量分析;同时,结合转录组数据,通过代谢物和基因关联分析,深入挖掘环烯醚萜苷生物合成途径中的关键候选基因,并利用荧光定量PCR (qRT-PCR)对关键候选基因的表达水平进行验证。HPLC测定结果表明,巴戟天MG和MJ中环烯醚萜苷含量均显著高于MY,约为MY的2倍。转录组测序结果显示,在MG vs MJ、MG vs MY和MG vs MY 3个比较组中,分别鉴定到6 275、10 108、7 330个差异表达基因(DEGs),在差异基因中注释到21个环烯醚萜苷生物合成途径基因。相关性分析结果表明,DXS、IDI、GES、10-HGO、IS基因与环烯醚萜苷含量均呈正相关关系(r>0.8),推测这5个基因很有可能是环烯醚萜苷合成过程中的关键候选基因。qRT-PCR结果表明,以上5个关键候选基因在不同组织中的表达水平与转录组数据一致。综上,该研究为后续深入解析巴戟天环烯醚萜苷生物合成与调控的分子机制提供了重要的理论依据和研究基础,同时也为优质巴戟天药材的培育和生产提供参考。
基金supported by the program of"Bairen Jihua"from the Chinese Academy of Sciences,by the National Natural Science Foundation of China(No.30530080)the innovation program of the Institute of 0ceanology,Chinese Academy of Sciences(L79032432).
文摘A new acylated iridoid glucoside, namely, 2＇-O-（5-phenyl-2E, 4E-pentadienoyl）- mussaenosidic acid, was isolated from the aerial parts of the mangrove plant Avicennia marina. The structure of the new compound was established on the basis of various NMR spectroscopic analyses, including 2D NMR techniques （^1H-^1H COSY, HMQC, and HMBC） and HR-FAB-MS. This compound displayed moderate antioxidant activity.
文摘基于一测多评法建立同时测定栀子、山茱萸、胡黄连、玄参4种药材中莫诺苷、栀子苷、马钱苷、胡黄连苷Ⅱ、胡黄连苷Ⅰ和哈巴俄苷6个环烯醚萜苷类成分的含量测定方法。采用超高效液相色谱-四极杆/静电场轨道阱高分辨质谱(UPLC-Q-Exactive Orbitrap-MS)技术确定栀子等4种药材中各环烯醚萜苷类成分的专属性;采用高效液相色谱(HPLC)法,以栀子苷为内参照物,采用多点校正法,计算得莫诺苷、马钱苷、胡黄连苷Ⅱ、胡黄连苷Ⅰ、哈巴俄苷5个待测组分的相对校正因子,建立一测多评(quantitative analysis of multi-components by single-marker,QAMS)含量测定方法,并与外标法(external standard method,ESM)实测值进行比较。通过多点校正法计算得到莫诺苷、马钱苷、胡黄连苷Ⅱ、胡黄连苷Ⅰ、哈巴俄苷的相对校正因子分别为0.8948、1.0968、1.2849、1.7008、1.4051,QAMS与ESM测定值无显著差异,相对标准偏差小于1.0%。基于一测多评法建立了一种同时测定栀子中栀子苷、山茱萸中莫诺苷和马钱苷、胡黄连中胡黄连苷Ⅱ和胡黄连苷Ⅰ以及玄参中哈巴俄苷6个环烯醚萜苷类成分的含量测定方法,该方法准确、可行,可用于栀子、山茱萸、胡黄连、玄参药材的质量评价,并为其他药材质量评价提供参考。
