目的观察重骨颗粒(CGG)对肝肾亏虚型膝骨关节炎(KOA)患者的临床疗效及基于Wnt/β-catenin信号通路探讨CGG治疗KOA可能的作用机制。方法将60名纳入患者随机分为氨基葡萄糖组和重骨颗粒组两组,每组30例。氨基葡萄糖组服用盐酸氨基葡萄糖片...目的观察重骨颗粒(CGG)对肝肾亏虚型膝骨关节炎(KOA)患者的临床疗效及基于Wnt/β-catenin信号通路探讨CGG治疗KOA可能的作用机制。方法将60名纳入患者随机分为氨基葡萄糖组和重骨颗粒组两组,每组30例。氨基葡萄糖组服用盐酸氨基葡萄糖片(0.75 g bid口服),而重骨颗粒组则服用重骨颗粒(每日1付,两次分服),持续治疗8周。观察两组治疗前后中医证候积分、临床疗效、视觉模拟量表(VAS)评分、WOMAC量表评分、Lysholm评分以及血沉(ESR)、超敏C反应蛋白(hs-CRP)的变化,并且RT-PCR法检测外周血Wnt1、β-catenin、GSK3βmRNA表达量,ELISA法检测IL-6、IL-1β水平。结果重骨颗粒组临床疗效优于氨基葡萄糖组(P<0.05),治疗后重骨颗粒组的中医证候积分、VAS评分、WOMAC评分,以及Lysholm评分中除使用支撑物方面外均较氨基葡萄糖组改善显著(P<0.05);重骨颗粒组ESR、hs-CRP、IL-6和IL-1β水平的降低程度也显著大于氨基葡萄糖组(P<0.05);重骨颗粒组Wnt1、β-catenin水平的降低程度以及GSK3β水平的升高程度也均大于氨基葡萄糖组(P<0.05)。结论重骨颗粒可以有效降低肝肾亏虚型KOA患者的中医证候评分,改善膝关节临床症状,其可能的作用机制与抑制Wnt/β-catenin信号通路以及抑制促炎因子的表达有关。展开更多
目的观察重骨颗粒治疗肝肾亏虚型膝骨关节炎的临床疗效及对骨代谢指标的影响,探究其可能的作用机制。方法将60例肝肾亏虚型膝骨关节炎患者按照随机数字表法分为对照组和治疗组,每组30例。对照组患者口服盐酸氨基葡萄糖胶囊,每次1粒,每日...目的观察重骨颗粒治疗肝肾亏虚型膝骨关节炎的临床疗效及对骨代谢指标的影响,探究其可能的作用机制。方法将60例肝肾亏虚型膝骨关节炎患者按照随机数字表法分为对照组和治疗组,每组30例。对照组患者口服盐酸氨基葡萄糖胶囊,每次1粒,每日2次,治疗组在对照组的基础上口服重骨颗粒,每次1袋,每日2次,两组各治疗8周。观察两组患者临床疗效,治疗前后视觉模拟量表(visual analogue scale,VAS)评分、西安大略和麦克马斯特大学骨关节炎指数(the Western Ontario and McMaster University osteoarthritis index,WOMAC)量表评分、Lysholm评分,血沉(erythrocyte sedimentation,ESR)、C反应蛋白(C-reactive protein,CRP)、白细胞介素-1β(interleukin-1β,IL-1β)、肿瘤坏死因子-α(tumor necrosis factor-α,TNF-α)水平,Ⅰ型前胶原羧基末端肽(caboxy-terminal typeⅠprocollagen propetide,PICP)、骨钙素(bone Gla pratein,BGP)、Ⅰ型胶原羧基端肽β降解产物(βisomer of C-terminal telopeptide of typeⅠcollagen,β-CTX)水平。结果治疗组临床疗效优于对照组(P<0.05)。治疗后治疗组VAS评分、WOMAC评分、Lysholm评分及关节隐痛、腰膝酸软评分改善情况均优于对照组(P<0.05);治疗后治疗组CRP、TNF-α、IL-1β水平降低程度均显著大于对照组(P<0.05);治疗后治疗组PICP、BGP水平升高程度、β-CTX水平降低程度均显著大于对照组(P<0.05)。结论重骨颗粒联合盐酸氨基葡萄糖治疗肝肾亏虚型膝骨关节炎的临床疗效较好且安全性高,能明显降低患者的中医证候评分,改善膝关节疼痛症状及关节功能,其作用机制可能与降低机体炎症因子水平、改善骨代谢有关。展开更多
本文以重实大颗粒物料的加工为背景,在内径130 mm 的多孔挡板流化床中研究了气体的流动和相间交换特性。采用气体脉冲示踪技术,计算机与热导池联用,采集、处理停留时间分布(RTD)数据,研究了气速、静床高、挡板开孔率及孔径对气体交换的...本文以重实大颗粒物料的加工为背景,在内径130 mm 的多孔挡板流化床中研究了气体的流动和相间交换特性。采用气体脉冲示踪技术,计算机与热导池联用,采集、处理停留时间分布(RTD)数据,研究了气速、静床高、挡板开孔率及孔径对气体交换的影响。提出了两相活塞流并流模型。计算的 RTD 与实测 RTD 较好吻合,证明该模型能较好描述本实验系统中的气体流动及相间气体交换。展开更多
A small problem about soil particle regularization and contacts but essential to geotechnical engineering was studied.The soils sourced from Guangzhou and Xiamen were sieved into five different particle scale ranges(d...A small problem about soil particle regularization and contacts but essential to geotechnical engineering was studied.The soils sourced from Guangzhou and Xiamen were sieved into five different particle scale ranges(d<0.075 mm,0.075 mm≤d<0.1 mm,0.1 mm≤d<0.2 mm,0.2 mm≤d<0.5 mm and 0.5 mm≤d<1.0 mm)to study the structures and particle contacts of granite residual soil.The X-ray micro computed tomography method was used to reconstruct the microstructure of granite residual soil.The particle was identified and regularized using principal component analysis(PCA).The particle contacts and geometrical characteristics in 3D space were analyzed and summarized using statistical analyses.The results demonstrate that the main types of contact among the particles are face-face,face-angle,face-edge,edge-edge,edge-angle and angle-angle contacts for particle sizes less than 0.2 mm.When the particle sizes are greater than 0.2 mm,the contacts are effectively summarized as face-face,face-angle,face-edge,edge-edge,edge-angle,angle-angle,sphere-sphere,sphere-face,sphere-edge and sphere-angle contacts.The differences in porosity among the original sample,reconstructed sample and regularized sample are closely related to the water-swelling and water-disintegrable characteristics of granite residual soil.展开更多
文摘目的观察重骨颗粒(CGG)对肝肾亏虚型膝骨关节炎(KOA)患者的临床疗效及基于Wnt/β-catenin信号通路探讨CGG治疗KOA可能的作用机制。方法将60名纳入患者随机分为氨基葡萄糖组和重骨颗粒组两组,每组30例。氨基葡萄糖组服用盐酸氨基葡萄糖片(0.75 g bid口服),而重骨颗粒组则服用重骨颗粒(每日1付,两次分服),持续治疗8周。观察两组治疗前后中医证候积分、临床疗效、视觉模拟量表(VAS)评分、WOMAC量表评分、Lysholm评分以及血沉(ESR)、超敏C反应蛋白(hs-CRP)的变化,并且RT-PCR法检测外周血Wnt1、β-catenin、GSK3βmRNA表达量,ELISA法检测IL-6、IL-1β水平。结果重骨颗粒组临床疗效优于氨基葡萄糖组(P<0.05),治疗后重骨颗粒组的中医证候积分、VAS评分、WOMAC评分,以及Lysholm评分中除使用支撑物方面外均较氨基葡萄糖组改善显著(P<0.05);重骨颗粒组ESR、hs-CRP、IL-6和IL-1β水平的降低程度也显著大于氨基葡萄糖组(P<0.05);重骨颗粒组Wnt1、β-catenin水平的降低程度以及GSK3β水平的升高程度也均大于氨基葡萄糖组(P<0.05)。结论重骨颗粒可以有效降低肝肾亏虚型KOA患者的中医证候评分,改善膝关节临床症状,其可能的作用机制与抑制Wnt/β-catenin信号通路以及抑制促炎因子的表达有关。
文摘目的观察重骨颗粒治疗肝肾亏虚型膝骨关节炎的临床疗效及对骨代谢指标的影响,探究其可能的作用机制。方法将60例肝肾亏虚型膝骨关节炎患者按照随机数字表法分为对照组和治疗组,每组30例。对照组患者口服盐酸氨基葡萄糖胶囊,每次1粒,每日2次,治疗组在对照组的基础上口服重骨颗粒,每次1袋,每日2次,两组各治疗8周。观察两组患者临床疗效,治疗前后视觉模拟量表(visual analogue scale,VAS)评分、西安大略和麦克马斯特大学骨关节炎指数(the Western Ontario and McMaster University osteoarthritis index,WOMAC)量表评分、Lysholm评分,血沉(erythrocyte sedimentation,ESR)、C反应蛋白(C-reactive protein,CRP)、白细胞介素-1β(interleukin-1β,IL-1β)、肿瘤坏死因子-α(tumor necrosis factor-α,TNF-α)水平,Ⅰ型前胶原羧基末端肽(caboxy-terminal typeⅠprocollagen propetide,PICP)、骨钙素(bone Gla pratein,BGP)、Ⅰ型胶原羧基端肽β降解产物(βisomer of C-terminal telopeptide of typeⅠcollagen,β-CTX)水平。结果治疗组临床疗效优于对照组(P<0.05)。治疗后治疗组VAS评分、WOMAC评分、Lysholm评分及关节隐痛、腰膝酸软评分改善情况均优于对照组(P<0.05);治疗后治疗组CRP、TNF-α、IL-1β水平降低程度均显著大于对照组(P<0.05);治疗后治疗组PICP、BGP水平升高程度、β-CTX水平降低程度均显著大于对照组(P<0.05)。结论重骨颗粒联合盐酸氨基葡萄糖治疗肝肾亏虚型膝骨关节炎的临床疗效较好且安全性高,能明显降低患者的中医证候评分,改善膝关节疼痛症状及关节功能,其作用机制可能与降低机体炎症因子水平、改善骨代谢有关。
基金Projects(41572277,41877229) supported by the National Natural Science Foundation of ChinaProject(2015A030313118) supported by the Natural Science Foundation of Guangdong Province,ChinaProject(201607010023) supported by the Science and Technology Program of Guangzhou,China
文摘A small problem about soil particle regularization and contacts but essential to geotechnical engineering was studied.The soils sourced from Guangzhou and Xiamen were sieved into five different particle scale ranges(d<0.075 mm,0.075 mm≤d<0.1 mm,0.1 mm≤d<0.2 mm,0.2 mm≤d<0.5 mm and 0.5 mm≤d<1.0 mm)to study the structures and particle contacts of granite residual soil.The X-ray micro computed tomography method was used to reconstruct the microstructure of granite residual soil.The particle was identified and regularized using principal component analysis(PCA).The particle contacts and geometrical characteristics in 3D space were analyzed and summarized using statistical analyses.The results demonstrate that the main types of contact among the particles are face-face,face-angle,face-edge,edge-edge,edge-angle and angle-angle contacts for particle sizes less than 0.2 mm.When the particle sizes are greater than 0.2 mm,the contacts are effectively summarized as face-face,face-angle,face-edge,edge-edge,edge-angle,angle-angle,sphere-sphere,sphere-face,sphere-edge and sphere-angle contacts.The differences in porosity among the original sample,reconstructed sample and regularized sample are closely related to the water-swelling and water-disintegrable characteristics of granite residual soil.
