Background:Recurrent miscarriage(RM)affects an estimated 1-3%of couples attempting to conceive,and its molecular components stay ineffectively caught on.This study aims to explore potential therapeutic targets for RM ...Background:Recurrent miscarriage(RM)affects an estimated 1-3%of couples attempting to conceive,and its molecular components stay ineffectively caught on.This study aims to explore potential therapeutic targets for RM by examining gene expression patterns and biological pathways in both mouse and human RM models.Meanwhile,explore relevant traditional Chinese medicine(TCM)components targeting potential therapeutic targets.Methods:We utilized the GSE211251 mouse and the GSE26787 human datasets,employing gene set enrichment analysis and gene metaphysics analysis to examine differentially expressed genes and enriched pathways.Single-cell RNA analysis uncovered cellular heterogeneity and arranged pharmacology-mapped potential drug-target intelligence.We employed molecular docking strategies to assess the affinity of TCM components for key proteins.Results:In the mouse model,genes such as Ly6f1 and Gpr26 were upregulated,while Stc5a and Galca exhibited downregulation.Gene set enrichment analysis identified key pathways,including the tumor necrosis factor-mediated signaling pathway.In human samples,Gene Ontology analysis highlighted processes such as apoptosis and cell adhesion.Single-cell RNA analysis revealed distinct cellular populations between normal and RM samples.Systems pharmacology identified C-X-C motif chemokine receptor 4(CXCR4)and endothelin 1(EDN1)as potential key targets,and molecular docking confirmed that stearic acid from TCM appears to regulate these proteins.Conclusion:This study presents a comprehensive analysis of the genetic and cellular underpinnings of RM,identifying CXCR4 and EDN1 as promising therapeutic targets.Stearic acid from TCM could provide targeted treatment by modulating these key proteins,paving the way for new RM treatment strategies.展开更多
目的观察缺氧预处理骨髓间充质干细胞(MSCs)移植对脑缺血再灌注损伤大鼠SDF-1/CXCR4 m RNA和蛋白表达的影响及清热化瘀方的干预作用。方法采用线栓法制备局灶性脑缺血大鼠(MCAO)模型,将216只SD大鼠随机分为6组:假手术组(SO)、模型组(MC...目的观察缺氧预处理骨髓间充质干细胞(MSCs)移植对脑缺血再灌注损伤大鼠SDF-1/CXCR4 m RNA和蛋白表达的影响及清热化瘀方的干预作用。方法采用线栓法制备局灶性脑缺血大鼠(MCAO)模型,将216只SD大鼠随机分为6组:假手术组(SO)、模型组(MCAO)、MSCs移植对照组(N-MSCs)、经HP处理后的MSCs移植组(HP-MSCs)、MSCs移植联合清热化瘀方组(MSCs+QRHY)、HP-MSCs移植联合清热化瘀方组(HP+QRHY)。每组大鼠36只,每组根据取材时间点7,14,28 d又可分为每组3个亚组,每个亚组12只大鼠。采用q RT-PCR和Western blot观察3个时间点SDF-1/CXCR4 m RNA及其蛋白的表达变化,并以TUNEL法检测神经细胞凋亡。结果各组缺血半暗带SDF-1/CXCR4 m RNA及其蛋白的表达均于7d达到高峰,14,28 d表达逐渐下降。其中7,14 d同一时间点组间比较,HP-MSCs组、MSCs+QRHY组及HP+QRHY组二者的表达均明显优于N-MSCs组(P<0.01,P<0.05),而以HP+QRHY组增高最为明显(P<0.05,P<0.01),28 d后,各移植组的表达趋势趋同,但仍高于模型组(P<0.05)。结论缺氧预处理MSCs移植能够显著提高脑缺血再灌注损伤大鼠SDF-1/CXCR4的表达,清热化瘀方能够进一步上调SDF/1CXCR4的表达,减少细胞凋亡。展开更多
基金support from the Ningxia Hui Autonomous Region Key Research and Development Program(Project No.2021BEG03041).
文摘Background:Recurrent miscarriage(RM)affects an estimated 1-3%of couples attempting to conceive,and its molecular components stay ineffectively caught on.This study aims to explore potential therapeutic targets for RM by examining gene expression patterns and biological pathways in both mouse and human RM models.Meanwhile,explore relevant traditional Chinese medicine(TCM)components targeting potential therapeutic targets.Methods:We utilized the GSE211251 mouse and the GSE26787 human datasets,employing gene set enrichment analysis and gene metaphysics analysis to examine differentially expressed genes and enriched pathways.Single-cell RNA analysis uncovered cellular heterogeneity and arranged pharmacology-mapped potential drug-target intelligence.We employed molecular docking strategies to assess the affinity of TCM components for key proteins.Results:In the mouse model,genes such as Ly6f1 and Gpr26 were upregulated,while Stc5a and Galca exhibited downregulation.Gene set enrichment analysis identified key pathways,including the tumor necrosis factor-mediated signaling pathway.In human samples,Gene Ontology analysis highlighted processes such as apoptosis and cell adhesion.Single-cell RNA analysis revealed distinct cellular populations between normal and RM samples.Systems pharmacology identified C-X-C motif chemokine receptor 4(CXCR4)and endothelin 1(EDN1)as potential key targets,and molecular docking confirmed that stearic acid from TCM appears to regulate these proteins.Conclusion:This study presents a comprehensive analysis of the genetic and cellular underpinnings of RM,identifying CXCR4 and EDN1 as promising therapeutic targets.Stearic acid from TCM could provide targeted treatment by modulating these key proteins,paving the way for new RM treatment strategies.
文摘目的观察缺氧预处理骨髓间充质干细胞(MSCs)移植对脑缺血再灌注损伤大鼠SDF-1/CXCR4 m RNA和蛋白表达的影响及清热化瘀方的干预作用。方法采用线栓法制备局灶性脑缺血大鼠(MCAO)模型,将216只SD大鼠随机分为6组:假手术组(SO)、模型组(MCAO)、MSCs移植对照组(N-MSCs)、经HP处理后的MSCs移植组(HP-MSCs)、MSCs移植联合清热化瘀方组(MSCs+QRHY)、HP-MSCs移植联合清热化瘀方组(HP+QRHY)。每组大鼠36只,每组根据取材时间点7,14,28 d又可分为每组3个亚组,每个亚组12只大鼠。采用q RT-PCR和Western blot观察3个时间点SDF-1/CXCR4 m RNA及其蛋白的表达变化,并以TUNEL法检测神经细胞凋亡。结果各组缺血半暗带SDF-1/CXCR4 m RNA及其蛋白的表达均于7d达到高峰,14,28 d表达逐渐下降。其中7,14 d同一时间点组间比较,HP-MSCs组、MSCs+QRHY组及HP+QRHY组二者的表达均明显优于N-MSCs组(P<0.01,P<0.05),而以HP+QRHY组增高最为明显(P<0.05,P<0.01),28 d后,各移植组的表达趋势趋同,但仍高于模型组(P<0.05)。结论缺氧预处理MSCs移植能够显著提高脑缺血再灌注损伤大鼠SDF-1/CXCR4的表达,清热化瘀方能够进一步上调SDF/1CXCR4的表达,减少细胞凋亡。