Mentha haplocalyx(mint)is a significant traditional Chinese medicine(TCM)listed in the Catalogue of’Medicinal and Food Homology’,therefore,its geographical origins(GOs)are critical to the medicinal and food value.La...Mentha haplocalyx(mint)is a significant traditional Chinese medicine(TCM)listed in the Catalogue of’Medicinal and Food Homology’,therefore,its geographical origins(GOs)are critical to the medicinal and food value.Laser-induced breakdown spectroscopy(LIBS)is an advanced analytical technique for GOs certification,due to the fast multi-elemental analysis requiring minimal sample pretreatment.In this study,LIBS data of sampled mint from five GOs were investigated by LIBS coupled with multivariate statistical analyzes.The spectral data was analyzed by two chemometric algorithms,i.e.principal component analysis(PCA)and least squares support vector machines(LS-SVM).Specifically,the performance of LS-SVM with least kernel and radial basis function(RBF)kernel was explored in sensitivity and robustness tests.Both LS-SVM algorithms exhibited excellent performance of classification in sensitive test and good performance(a little inferior)in robustness test.Generally,LS-SVM with linear kernel equally outperformed LS-SVM based on RBF kernel.The result indicated the potential for future applications in herbs and food,especially for in situ GOs applications of TCM authenticity rapidly.展开更多
Objective:To identify potential serum protein candidates involved in linking the traditional Chinese medicine(TCM)-defined qi deficiency constitution(QDC)to Pi-qi-deficiency syndrome(PQDS)of chronic superficial gastri...Objective:To identify potential serum protein candidates involved in linking the traditional Chinese medicine(TCM)-defined qi deficiency constitution(QDC)to Pi-qi-deficiency syndrome(PQDS)of chronic superficial gastritis(CSG).Methods:Using participants with the TCM-defined balanced constitution as a control population,labelfree quantitative proteomics was adopted to identify differentially expressed proteins(DEPs)in serum samples from two case populations:case population 1(participants with QDC)and case population 2(patients with PQDS of CSG).The DEPs discovered in both case populations were analyzed to identify common DEPs as potential candidates for proteins involved in the link between QDC and PQDS.Based on Kyoto Encyclopedia of Genes and Genomes pathway(KEGG)and Gene Ontology(GO)enrichment analysis and analysis of proteineprotein interaction networks,we evaluated the possible functions of these potential serum candidates.Results:We discovered 24 and 28 proteins that were differentially expressed in case populations 1 and 2,respectively,compared with the control population.Hierarchical clustering analysis showed that the expression profile of DEPs of individuals from the same population clustered well,while those from different populations were segregated.Furthermore,GO analysis revealed the 10 DEPs that were common to both case populations to be mainly associated with negative regulation of cellular metabolic and immune system processes while KEGG analysis indicated these proteins to be associated with complement and coagulation cascades and peroxisome proliferator-activated receptor signaling.Notably,serum levels of C4b-binding protein beta chain,glycosylphosphatidylinositol-specific phospholipase D1 and MS-F1 light chain variable region proteins were notably higher in the two case populations compared with the control,particularly in the case of CSG with PQDS.Conclusion:The results presented here provide new insights into the molecular mechanisms underlying development of PQDS of CSG from QDC,and suggest candidate serum biomarkers for future application in integrative medicine.展开更多
Objective:To screen for blood leukocyte microRNA(miRNA)biomarkers responsible for the association between the traditional Chinese medicine(TCM)qi deficiency constitution(QDC)and the Pi-qi-deficiency syndrome(PQDS)of c...Objective:To screen for blood leukocyte microRNA(miRNA)biomarkers responsible for the association between the traditional Chinese medicine(TCM)qi deficiency constitution(QDC)and the Pi-qi-deficiency syndrome(PQDS)of chronic superficial gastritis(CSG).Methods:Peripheral blood leukocytes were separated from people of two TCM constitutions(balance and qi deficiency)and from CSG patients with PQDS.Total RNA was isolated from the leukocytes and subjected to subsequent high-throughput miRNA sequencing to identify the miRNAs that are specifically and highly expressed in persons of QDC and CSG patients with PQDS.In addition,the target genes of the associated miRNAs were predicted.Gene Ontology(GO)and Kyoto Encyclopedia of Genes and Genomes(KEGG)pathway-based enrichment analyses of these target genes were performed to further evaluate the associated miRNA candidates as potential biomarkers responsible for the association between QDC and PQDS of CSG.Results:Compared with the control group with a balance constitution(P<.05,fold change>1.5 or<0.5),31 and 38 differentially expressed miRNAs were found in persons of QDC and CSG patients with PQDS,respectively.In particular,hsa-miR-145-5p and hsa-miR-146a-3p were highly expressed in both the persons of QDC and CSG patients with PQDS.GO analysis of the target genes of the two common miRNAs showed that they were mainly associated with functions related to synthesis and metabolism,such as cellular nitrogen compound metabolic processes,biosynthetic processes,cellular protein modification processes,and cellular component assembly.KEGG analysis identified the common pathways enriched among the target genes,including the Hippo signaling pathway and the transcriptional misregulation pathway.The common target genes of the two miRNAs seemed to be associated with the spliceosome pathway and the RNA degradation pathway.Conclusion:Hsa-miR-145-5p and hsa-miR-146a-3p may serve as candidate biomarkers responsible for the association between QDC and PQDS of CSG.展开更多
Objective:To investigate the molecular mechanism and identify potential drugs for subthreshold depression(SD),and elucidate the detalied mechanism of Danzhi Xiaoyao powder(DZXY)in SD.Methods:Using RNA-sequencing,we id...Objective:To investigate the molecular mechanism and identify potential drugs for subthreshold depression(SD),and elucidate the detalied mechanism of Danzhi Xiaoyao powder(DZXY)in SD.Methods:Using RNA-sequencing,we identified differentially expressed genes(DEGs)in leukocytes of SD compared to healthy controls,deciphered their functions and pathways,and identified the hub genes of SD.We also assessed changes in leukocyte transcription factor activity in patients with SD using the TELis platform.The Connectivity Map database was retrieved to screen candidate drugs for SD.Based on network pharmacology,we elucidated the"multi-component,multi-target,and multi-pathway"mechanism of DZXY in the treatment of SD.Results:We identified 1080 DEGs(padj<0.05 and|log2(fold change)l≥1&protein coding)in the leukocytes of patients with SD.These DEGs,including hub genes,were primarily involved in immune and inflammatory response-related processes.Transcription factor activity analysis revealed similarities between the leukocyte transcriptome profile in SD and the conserved transcriptional response to adversities in immune cells.Connectivity Map analysis identified 28 potential drugs for SD treatment,particularly SB-202190 and TWS-119.Constructing the"Direct Compounds-Direct Targets-Pathways"network for DZXY and SD revealed the curative mechanisms of DZXY in SD,primarily including inflammatory response,lipid metabolism,immune response,and other processes.Conclusion:These results provide new insights into the characteristics and functional changes of leukocytes in SD,partially illustrate the pathogenesis of SD,and suggest potential drugs for SD.The curative mechanisms of DZXY in SD are also partially elucidated.展开更多
基金supported by National Natural Science Foundation of China(Nos.81903796,81603396 and 31870338)the National Key Research and Development Program of China(No.2019YFC1711200)+2 种基金Major new drug innovation project of the ministry of science and technology(2018ZX09201011)Scientific and Technological Planning Projects of Colleges and Universities of Shandong Province(No.J18KA287)Binzhou Medical University Research Startup Fund Project(No.BY2016KYQD02)。
文摘Mentha haplocalyx(mint)is a significant traditional Chinese medicine(TCM)listed in the Catalogue of’Medicinal and Food Homology’,therefore,its geographical origins(GOs)are critical to the medicinal and food value.Laser-induced breakdown spectroscopy(LIBS)is an advanced analytical technique for GOs certification,due to the fast multi-elemental analysis requiring minimal sample pretreatment.In this study,LIBS data of sampled mint from five GOs were investigated by LIBS coupled with multivariate statistical analyzes.The spectral data was analyzed by two chemometric algorithms,i.e.principal component analysis(PCA)and least squares support vector machines(LS-SVM).Specifically,the performance of LS-SVM with least kernel and radial basis function(RBF)kernel was explored in sensitivity and robustness tests.Both LS-SVM algorithms exhibited excellent performance of classification in sensitive test and good performance(a little inferior)in robustness test.Generally,LS-SVM with linear kernel equally outperformed LS-SVM based on RBF kernel.The result indicated the potential for future applications in herbs and food,especially for in situ GOs applications of TCM authenticity rapidly.
基金This study was supported by the National Natural Science Foundation of China(81430099,81300016)Projects of International Cooperation and Exchanges(2014DFA32950).
文摘Objective:To identify potential serum protein candidates involved in linking the traditional Chinese medicine(TCM)-defined qi deficiency constitution(QDC)to Pi-qi-deficiency syndrome(PQDS)of chronic superficial gastritis(CSG).Methods:Using participants with the TCM-defined balanced constitution as a control population,labelfree quantitative proteomics was adopted to identify differentially expressed proteins(DEPs)in serum samples from two case populations:case population 1(participants with QDC)and case population 2(patients with PQDS of CSG).The DEPs discovered in both case populations were analyzed to identify common DEPs as potential candidates for proteins involved in the link between QDC and PQDS.Based on Kyoto Encyclopedia of Genes and Genomes pathway(KEGG)and Gene Ontology(GO)enrichment analysis and analysis of proteineprotein interaction networks,we evaluated the possible functions of these potential serum candidates.Results:We discovered 24 and 28 proteins that were differentially expressed in case populations 1 and 2,respectively,compared with the control population.Hierarchical clustering analysis showed that the expression profile of DEPs of individuals from the same population clustered well,while those from different populations were segregated.Furthermore,GO analysis revealed the 10 DEPs that were common to both case populations to be mainly associated with negative regulation of cellular metabolic and immune system processes while KEGG analysis indicated these proteins to be associated with complement and coagulation cascades and peroxisome proliferator-activated receptor signaling.Notably,serum levels of C4b-binding protein beta chain,glycosylphosphatidylinositol-specific phospholipase D1 and MS-F1 light chain variable region proteins were notably higher in the two case populations compared with the control,particularly in the case of CSG with PQDS.Conclusion:The results presented here provide new insights into the molecular mechanisms underlying development of PQDS of CSG from QDC,and suggest candidate serum biomarkers for future application in integrative medicine.
基金the National Natural Science Foundation of China(81430099,81300016&31500704)Projects of International Cooperation and Exchanges(2014DFA32950).
文摘Objective:To screen for blood leukocyte microRNA(miRNA)biomarkers responsible for the association between the traditional Chinese medicine(TCM)qi deficiency constitution(QDC)and the Pi-qi-deficiency syndrome(PQDS)of chronic superficial gastritis(CSG).Methods:Peripheral blood leukocytes were separated from people of two TCM constitutions(balance and qi deficiency)and from CSG patients with PQDS.Total RNA was isolated from the leukocytes and subjected to subsequent high-throughput miRNA sequencing to identify the miRNAs that are specifically and highly expressed in persons of QDC and CSG patients with PQDS.In addition,the target genes of the associated miRNAs were predicted.Gene Ontology(GO)and Kyoto Encyclopedia of Genes and Genomes(KEGG)pathway-based enrichment analyses of these target genes were performed to further evaluate the associated miRNA candidates as potential biomarkers responsible for the association between QDC and PQDS of CSG.Results:Compared with the control group with a balance constitution(P<.05,fold change>1.5 or<0.5),31 and 38 differentially expressed miRNAs were found in persons of QDC and CSG patients with PQDS,respectively.In particular,hsa-miR-145-5p and hsa-miR-146a-3p were highly expressed in both the persons of QDC and CSG patients with PQDS.GO analysis of the target genes of the two common miRNAs showed that they were mainly associated with functions related to synthesis and metabolism,such as cellular nitrogen compound metabolic processes,biosynthetic processes,cellular protein modification processes,and cellular component assembly.KEGG analysis identified the common pathways enriched among the target genes,including the Hippo signaling pathway and the transcriptional misregulation pathway.The common target genes of the two miRNAs seemed to be associated with the spliceosome pathway and the RNA degradation pathway.Conclusion:Hsa-miR-145-5p and hsa-miR-146a-3p may serve as candidate biomarkers responsible for the association between QDC and PQDS of CSG.
基金supported by the National Key Research and Development Program of China(SQ2019YFC170218).
文摘Objective:To investigate the molecular mechanism and identify potential drugs for subthreshold depression(SD),and elucidate the detalied mechanism of Danzhi Xiaoyao powder(DZXY)in SD.Methods:Using RNA-sequencing,we identified differentially expressed genes(DEGs)in leukocytes of SD compared to healthy controls,deciphered their functions and pathways,and identified the hub genes of SD.We also assessed changes in leukocyte transcription factor activity in patients with SD using the TELis platform.The Connectivity Map database was retrieved to screen candidate drugs for SD.Based on network pharmacology,we elucidated the"multi-component,multi-target,and multi-pathway"mechanism of DZXY in the treatment of SD.Results:We identified 1080 DEGs(padj<0.05 and|log2(fold change)l≥1&protein coding)in the leukocytes of patients with SD.These DEGs,including hub genes,were primarily involved in immune and inflammatory response-related processes.Transcription factor activity analysis revealed similarities between the leukocyte transcriptome profile in SD and the conserved transcriptional response to adversities in immune cells.Connectivity Map analysis identified 28 potential drugs for SD treatment,particularly SB-202190 and TWS-119.Constructing the"Direct Compounds-Direct Targets-Pathways"network for DZXY and SD revealed the curative mechanisms of DZXY in SD,primarily including inflammatory response,lipid metabolism,immune response,and other processes.Conclusion:These results provide new insights into the characteristics and functional changes of leukocytes in SD,partially illustrate the pathogenesis of SD,and suggest potential drugs for SD.The curative mechanisms of DZXY in SD are also partially elucidated.
