The gut microbiota is closely associated with osteoporosis,but its specific mechanisms of action have not been fully elucidated.Short-chain fatty acids(SCFAs),produced by the fermentation of complex carbohydrates,are ...The gut microbiota is closely associated with osteoporosis,but its specific mechanisms of action have not been fully elucidated.Short-chain fatty acids(SCFAs),produced by the fermentation of complex carbohydrates,are key regulatory metabolites produced by the gut microbiota and play an important role in the regulation of various systems by the gut microbiota.In recent years,SCFAs have been found to be a key link between the gut microbiota and bone.SCFAs can affect bone metabolism by affecting the integrity of the intestinal mucosal barrier,regulating G protein-coupled receptors and inhibiting histone deacetylase activity etc.SCFAs are currently the focus of research,but the mechanisms of interaction between SCFAs and osteoporosis in China are less reported.This paper reviews the role of gut microbiota and its metabolites,SCFAs,as well as the research progress of SCFAs affecting osteoporosis,with the aim of providing innovative therapeutic opportunities for bone metabolic diseases.展开更多
A novel supramolecular compound, [Co(IN)_2(H_2O)_4](1), was synthesized by means of the hydrothermal method and its structure was characterized with elemental analysis, FT-IR spectrum, TGA and X-ray diffraction. Thoug...A novel supramolecular compound, [Co(IN)_2(H_2O)_4](1), was synthesized by means of the hydrothermal method and its structure was characterized with elemental analysis, FT-IR spectrum, TGA and X-ray diffraction. Though the unit cell structure of the title compound is only monomeric, all these units as building blocks are assembled into a novel three-dimensional supramolecular network via the widely hydrogen-bonding and π-π stacking interactions.展开更多
The title compound （C19H23NO3） was synthesized by the one-pot reaction ofp-methoxybenzaldehyde, Meldrum＇s acid, dimedone and CH3NH3Cl （NaOAc） in ethanol under microwave irradiation without catalyst and its crysta...The title compound （C19H23NO3） was synthesized by the one-pot reaction ofp-methoxybenzaldehyde, Meldrum＇s acid, dimedone and CH3NH3Cl （NaOAc） in ethanol under microwave irradiation without catalyst and its crystal structure was determined by single-crystal X-ray diffraction. The crystal is of monoclinic, space group P21/c with a = 8.7462（10）, b = 17.7367（19）, c = 11.5959（14） A, β = 110.981（3）°, V= 1679.6（3） A^3, Z = 4, Dc = 1.239 g/cm^3,μ（MoKa） = 0.083 mm^-1, F（000） = 672 and Mr = 313.38. The structure was refined to R = 0.0530 and wR = 0.1216. X-ray analysis reveals that the dihedral angle between plane 1 （N（1）, C（1）, C（2）, C（3）） and plane 2 （C（1）, C（2）, C（6）, C（7）, C（9）） is 3.64°, andt hat between plane 2 and plane 3 （C（11）～C（16）） is 85.33°.展开更多
基金National Natural Science Foundation of China(No.82172431)。
文摘The gut microbiota is closely associated with osteoporosis,but its specific mechanisms of action have not been fully elucidated.Short-chain fatty acids(SCFAs),produced by the fermentation of complex carbohydrates,are key regulatory metabolites produced by the gut microbiota and play an important role in the regulation of various systems by the gut microbiota.In recent years,SCFAs have been found to be a key link between the gut microbiota and bone.SCFAs can affect bone metabolism by affecting the integrity of the intestinal mucosal barrier,regulating G protein-coupled receptors and inhibiting histone deacetylase activity etc.SCFAs are currently the focus of research,but the mechanisms of interaction between SCFAs and osteoporosis in China are less reported.This paper reviews the role of gut microbiota and its metabolites,SCFAs,as well as the research progress of SCFAs affecting osteoporosis,with the aim of providing innovative therapeutic opportunities for bone metabolic diseases.
基金Supported by the National Natural Science Foundation of China( No.2 973 3 0 90 ),the Research Funds for the DoctoralProgram of Higher Education,the State Key L aboratory of Coordination ChemistryNanjing U niversity and the Funds ofInner Mongolia Edu
文摘A novel supramolecular compound, [Co(IN)_2(H_2O)_4](1), was synthesized by means of the hydrothermal method and its structure was characterized with elemental analysis, FT-IR spectrum, TGA and X-ray diffraction. Though the unit cell structure of the title compound is only monomeric, all these units as building blocks are assembled into a novel three-dimensional supramolecular network via the widely hydrogen-bonding and π-π stacking interactions.
基金The project was supported by the National Natural Science Foundation of China (No. 20372057), the Natural Science Foundation of Jiangsu Province (No. BK2001142), the Open Foundation of Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry and Chemical Engineering, Suzhou University (JSK 011) and the Key Lab of Biotechnology for Medicinal Plants of Jiangsu Province (01AXL 14)
文摘The title compound （C19H23NO3） was synthesized by the one-pot reaction ofp-methoxybenzaldehyde, Meldrum＇s acid, dimedone and CH3NH3Cl （NaOAc） in ethanol under microwave irradiation without catalyst and its crystal structure was determined by single-crystal X-ray diffraction. The crystal is of monoclinic, space group P21/c with a = 8.7462（10）, b = 17.7367（19）, c = 11.5959（14） A, β = 110.981（3）°, V= 1679.6（3） A^3, Z = 4, Dc = 1.239 g/cm^3,μ（MoKa） = 0.083 mm^-1, F（000） = 672 and Mr = 313.38. The structure was refined to R = 0.0530 and wR = 0.1216. X-ray analysis reveals that the dihedral angle between plane 1 （N（1）, C（1）, C（2）, C（3）） and plane 2 （C（1）, C（2）, C（6）, C（7）, C（9）） is 3.64°, andt hat between plane 2 and plane 3 （C（11）～C（16）） is 85.33°.
