A new stigmasterol type natural product,viburodorol A(1),along with eleven known sterols and terpenoids(2–12),were isolated from the aerial parts of Viburnum odoratissimum.The structure of 1 was elucidated on the bas...A new stigmasterol type natural product,viburodorol A(1),along with eleven known sterols and terpenoids(2–12),were isolated from the aerial parts of Viburnum odoratissimum.The structure of 1 was elucidated on the basis of comprehensive spectroscopic analysis.It’s noteworthy that compound 2,the major constituent of this plant,can signifi-cantly stimulate glucose absorption in insulin resistant HepG2 cells without affecting cell viability.Furthermore,this compound can also restore the glucose absorption in DXMS-induced insulin resistant 3T3-L1 cells.展开更多
Viburnum odoratissimum,a landscape plant,is rich in vibsane-type diterpenes,triterpenes,monoterpenoids,sesquiterpenoids,coumarins,and lignans and so on.In the present work,network analysis was carried out to predict t...Viburnum odoratissimum,a landscape plant,is rich in vibsane-type diterpenes,triterpenes,monoterpenoids,sesquiterpenoids,coumarins,and lignans and so on.In the present work,network analysis was carried out to predict the potential targets of V.odoratissimum and the treatment of related diseases.13 main target proteins were predicted,as well as the diseases which might interact with the compounds from V.odoratissimum.The results showed that vibsane-type diterpenes and triterpenes had the potential to treat neoplasm-related and inflammation-related diseases,and the key target proteins were MDM2,NOS,AR,DNMT1,NR3C1,RARA and PTPN1.Among them,AR,NOS,DNMT1,NR3C1,DNMT1 and PTPN1 were also the crucial targets for triterpenes in the treatment of diabetes mellitus.Besides,ALOX15,PIPN1,TLR9,MIT,DNMT1,RAC1,RTGS2,RARA and ACHE were the potential targets for coumarins and lignan in the treatment of neoplasm-related diseases.Furthermore,ESR1,AR,NOS2,NR3C1 were the primary targets for monoterpenoids and sesquiterpenoids because of their potential neuroprotective effects.It is noteworthy that the study of the potential targets and related diseases can provide new insights for further development of V.odoratissimum.展开更多
Viburnum odoratissimum belongs to viburnum genus of the Caprifoliaceae family.Previous studies reported many chemical constituents in this plant,including monoterpenoids,sesquiterpenoids,vibsane-type diterpenes,triter...Viburnum odoratissimum belongs to viburnum genus of the Caprifoliaceae family.Previous studies reported many chemical constituents in this plant,including monoterpenoids,sesquiterpenoids,vibsane-type diterpenes,triterpenes,coumarins,and lignans,and various pharmacological bioactivities the extracts of V.odoratissimum such as anti-tumor,neuroprotective,antiinflammatory,ichthyism and anti-oxidant activity.Besides,the total synthesis of vibsane-type diterpenes and their derivatives have attracted considerable attention because of their wide-ranging anti-tumor activity.This present study not only systematically summarizes the compounds isolated from V.odoratissimum,and the structure-activity relationship of these compounds.展开更多
Five new terpenoids,including two vibsane-type diterpenoids(1,2)and three iridoid allosides(3-5),together with eight known ones,were isolated from the leaves and twigs of Viburnum odoratissimum var.sessiliflorum.Their...Five new terpenoids,including two vibsane-type diterpenoids(1,2)and three iridoid allosides(3-5),together with eight known ones,were isolated from the leaves and twigs of Viburnum odoratissimum var.sessiliflorum.Their planar structures and relative configurations were determined by spectroscopic methods,especially 2D NMR techniques.The sugar moieties of the iridoids were confirmed asβ-D-allose by GC analysis after acid hydrolysis and acetylation.The absolute configurations of neovibsanin Q(1)and dehydrovibsanol B(2)were determined by quantum chemical calculation of their theoretical electronic circular dichroism(ECD)spectra and Rh2(OCOCF_(3))_(4)-induced ECD analysis.The anti-inflammatory activities of compounds 1,3,4,and 5 were evaluated using an LPS-induced RA W264.7 cell model.Compounds 3 suppressed the release of NO in a dose-dependent manner,with an IC_(50) value of 55.64μmol·L^(-1).The cytotoxicities of compounds 1-5 on HCT-116 cells were assessed and the results showed that compounds 2 and 3 exhibited moderate inhibitory activities with IC_(50) values of 13.8 and 12.3μmol·L^(-1),respectively.展开更多
基金the foundations from NSFC(20972167)the Young Academic Leader Raising Foundation of Yunnan Province(No.2009CI073)。
文摘A new stigmasterol type natural product,viburodorol A(1),along with eleven known sterols and terpenoids(2–12),were isolated from the aerial parts of Viburnum odoratissimum.The structure of 1 was elucidated on the basis of comprehensive spectroscopic analysis.It’s noteworthy that compound 2,the major constituent of this plant,can signifi-cantly stimulate glucose absorption in insulin resistant HepG2 cells without affecting cell viability.Furthermore,this compound can also restore the glucose absorption in DXMS-induced insulin resistant 3T3-L1 cells.
基金This work was supported by National Natural Science Foundation of China[Grant No.81703385].
文摘Viburnum odoratissimum,a landscape plant,is rich in vibsane-type diterpenes,triterpenes,monoterpenoids,sesquiterpenoids,coumarins,and lignans and so on.In the present work,network analysis was carried out to predict the potential targets of V.odoratissimum and the treatment of related diseases.13 main target proteins were predicted,as well as the diseases which might interact with the compounds from V.odoratissimum.The results showed that vibsane-type diterpenes and triterpenes had the potential to treat neoplasm-related and inflammation-related diseases,and the key target proteins were MDM2,NOS,AR,DNMT1,NR3C1,RARA and PTPN1.Among them,AR,NOS,DNMT1,NR3C1,DNMT1 and PTPN1 were also the crucial targets for triterpenes in the treatment of diabetes mellitus.Besides,ALOX15,PIPN1,TLR9,MIT,DNMT1,RAC1,RTGS2,RARA and ACHE were the potential targets for coumarins and lignan in the treatment of neoplasm-related diseases.Furthermore,ESR1,AR,NOS2,NR3C1 were the primary targets for monoterpenoids and sesquiterpenoids because of their potential neuroprotective effects.It is noteworthy that the study of the potential targets and related diseases can provide new insights for further development of V.odoratissimum.
基金supported by National Natural Science Foundation of China[Grant No.81703385].
文摘Viburnum odoratissimum belongs to viburnum genus of the Caprifoliaceae family.Previous studies reported many chemical constituents in this plant,including monoterpenoids,sesquiterpenoids,vibsane-type diterpenes,triterpenes,coumarins,and lignans,and various pharmacological bioactivities the extracts of V.odoratissimum such as anti-tumor,neuroprotective,antiinflammatory,ichthyism and anti-oxidant activity.Besides,the total synthesis of vibsane-type diterpenes and their derivatives have attracted considerable attention because of their wide-ranging anti-tumor activity.This present study not only systematically summarizes the compounds isolated from V.odoratissimum,and the structure-activity relationship of these compounds.
基金supported by the National Natural Science Foundation of China(Nos.22077111,22177016,81872756,and 81901678)Department of Education of Guangdong Province(No.2020KZDZX1203)。
文摘Five new terpenoids,including two vibsane-type diterpenoids(1,2)and three iridoid allosides(3-5),together with eight known ones,were isolated from the leaves and twigs of Viburnum odoratissimum var.sessiliflorum.Their planar structures and relative configurations were determined by spectroscopic methods,especially 2D NMR techniques.The sugar moieties of the iridoids were confirmed asβ-D-allose by GC analysis after acid hydrolysis and acetylation.The absolute configurations of neovibsanin Q(1)and dehydrovibsanol B(2)were determined by quantum chemical calculation of their theoretical electronic circular dichroism(ECD)spectra and Rh2(OCOCF_(3))_(4)-induced ECD analysis.The anti-inflammatory activities of compounds 1,3,4,and 5 were evaluated using an LPS-induced RA W264.7 cell model.Compounds 3 suppressed the release of NO in a dose-dependent manner,with an IC_(50) value of 55.64μmol·L^(-1).The cytotoxicities of compounds 1-5 on HCT-116 cells were assessed and the results showed that compounds 2 and 3 exhibited moderate inhibitory activities with IC_(50) values of 13.8 and 12.3μmol·L^(-1),respectively.
