The basin marginal fault system is the key to understand the formation and evolution of Songliao Basin.In order to investigate the influence of marginal fault system on the structural evolution of Songliao Basin,a com...The basin marginal fault system is the key to understand the formation and evolution of Songliao Basin.In order to investigate the influence of marginal fault system on the structural evolution of Songliao Basin,a comprehensive study was conducted on Shiling Town and Zhuanshanhu area of Yehe Town in Siping City of Jilin Province,where is the southeastern margin of the Songliao Basin and there are a series of well-exposed fault,fold and intrusive bodies belonging to the main marginal fault system of the Songliao Basin known as the Jiamusi-Yitong(Jia-Yi)fault zone.Through profile measurement and field investigation,samples with various lithologies and distinctive features were collected.Detailed field and laboratory works include component and microstructure analysis of these samples,rock-rock contact analysis,main strike measurement and statistics analysis.These data reveal the structural characteristics of the fold,fault and intrusive bodies in the study area.The research results show that the folds are distributed in the Mesozoic strata near the main fault of the eastern branch of the Jia-Yi fault zone,and the folded strata involve the Cretaceous Denglouku and Quantou formations.In addition,the section is dominated by high-angle strikeslip thrust faults.Light-colored veins and dark-colored veins are extensively distributed in the exposed granites.Statistical analysis of joint and fault attitudes in the study area reveals a right-lateral strike-sliping along the main fault.The large-scale right-lateral strike-slip and thrust fault system in Shiling Town occurred in right-lateral transpressive stage in Late Cretaceous.Based on the results above,tectonic evolution sequence in Shiling section of the Jia-Yi fault zone during the Mesozoic can be divided into five stages:Middle Jurassic left-lateral ductile strike-slip stage,Late Jurassic compression stage,Early Cretaceous tension stage,Early Cretaceous extension stage and Late Cretaceous right-lateral transpressive stage.These may have important constraint on understanding the Mesozoic evolution of the Songliao Basin.展开更多
目的观察三甲益肝颗粒(San Jia Yi Gan granula,SJG)含药血清对HSC-T6细胞形态、增殖和凋亡的作用,探讨SJG抗肝纤维化的细胞学基础。方法雄性SD大鼠30只按随机数字表法分为5组,每组6只,分别为生理盐水对照组(Control)、水飞蓟宾组(Sily...目的观察三甲益肝颗粒(San Jia Yi Gan granula,SJG)含药血清对HSC-T6细胞形态、增殖和凋亡的作用,探讨SJG抗肝纤维化的细胞学基础。方法雄性SD大鼠30只按随机数字表法分为5组,每组6只,分别为生理盐水对照组(Control)、水飞蓟宾组(Sily)、低剂量SJG组(SJG-L)、中剂量SJG组(SJG-M)和高剂量SJG组(SJG-H)。SJG按低、中、高(1.7、3.4、6.8g/kg)3个剂量灌胃大鼠制备含药血清,并用不同体积分数(5%、10%、20%、40%)SJG含药血清干预HSC-T6细胞株,用倒置相差显微镜观察HSC-T6细胞形态学的变化,MTT法检测SJG药物血清对HSC-T6细胞增殖的影响,流式细胞仪检测SJG药物血清诱导HSC-T6细胞早期凋亡。结果含药血清干预后,细胞形态发生明显改变:药物组细胞较对照组细胞明显减少,细胞间隙较宽,细胞皱缩,核染色质浓集呈球形。MTT实验结果显示各组药物血清均可抑制HSC-T6细胞的增殖,SJG-M、SJG-H组对HSC-T6细胞增殖的抑制均显著高于Sily组(P<0.05),SJG-L组与Sily组对HSC-T6细胞增殖的抑制无显著差异(P>0.05)。SJG-M、SJG-H组凋亡率分别为(7.09±1.04)%、(11.63±1.53)%,显著高于Sily组[(4.38±1.07)%]、SJG-L组[(4.17±0.30)%]和对照组[(1.74±0.11)%]。与对照组比较,各药物血清干预组细胞凋亡数明显增加,以SJG-H组增加最为明显。结论SJG含药血清可显著抑制HSC-T6细胞的活化、增殖,并诱导其凋亡。展开更多
基金Supported by the Key Research and Development Program of Heilongjiang Province(No.JD22A022)the Natural Science Foundation of Heilongjiang Province of China(Nos.LH2022D013,LH2023D005)the Support Project for Young Talents in Local Universities in Heilongjiang Province(No.14011202101).
文摘The basin marginal fault system is the key to understand the formation and evolution of Songliao Basin.In order to investigate the influence of marginal fault system on the structural evolution of Songliao Basin,a comprehensive study was conducted on Shiling Town and Zhuanshanhu area of Yehe Town in Siping City of Jilin Province,where is the southeastern margin of the Songliao Basin and there are a series of well-exposed fault,fold and intrusive bodies belonging to the main marginal fault system of the Songliao Basin known as the Jiamusi-Yitong(Jia-Yi)fault zone.Through profile measurement and field investigation,samples with various lithologies and distinctive features were collected.Detailed field and laboratory works include component and microstructure analysis of these samples,rock-rock contact analysis,main strike measurement and statistics analysis.These data reveal the structural characteristics of the fold,fault and intrusive bodies in the study area.The research results show that the folds are distributed in the Mesozoic strata near the main fault of the eastern branch of the Jia-Yi fault zone,and the folded strata involve the Cretaceous Denglouku and Quantou formations.In addition,the section is dominated by high-angle strikeslip thrust faults.Light-colored veins and dark-colored veins are extensively distributed in the exposed granites.Statistical analysis of joint and fault attitudes in the study area reveals a right-lateral strike-sliping along the main fault.The large-scale right-lateral strike-slip and thrust fault system in Shiling Town occurred in right-lateral transpressive stage in Late Cretaceous.Based on the results above,tectonic evolution sequence in Shiling section of the Jia-Yi fault zone during the Mesozoic can be divided into five stages:Middle Jurassic left-lateral ductile strike-slip stage,Late Jurassic compression stage,Early Cretaceous tension stage,Early Cretaceous extension stage and Late Cretaceous right-lateral transpressive stage.These may have important constraint on understanding the Mesozoic evolution of the Songliao Basin.
文摘目的观察三甲益肝颗粒(San Jia Yi Gan granula,SJG)含药血清对HSC-T6细胞形态、增殖和凋亡的作用,探讨SJG抗肝纤维化的细胞学基础。方法雄性SD大鼠30只按随机数字表法分为5组,每组6只,分别为生理盐水对照组(Control)、水飞蓟宾组(Sily)、低剂量SJG组(SJG-L)、中剂量SJG组(SJG-M)和高剂量SJG组(SJG-H)。SJG按低、中、高(1.7、3.4、6.8g/kg)3个剂量灌胃大鼠制备含药血清,并用不同体积分数(5%、10%、20%、40%)SJG含药血清干预HSC-T6细胞株,用倒置相差显微镜观察HSC-T6细胞形态学的变化,MTT法检测SJG药物血清对HSC-T6细胞增殖的影响,流式细胞仪检测SJG药物血清诱导HSC-T6细胞早期凋亡。结果含药血清干预后,细胞形态发生明显改变:药物组细胞较对照组细胞明显减少,细胞间隙较宽,细胞皱缩,核染色质浓集呈球形。MTT实验结果显示各组药物血清均可抑制HSC-T6细胞的增殖,SJG-M、SJG-H组对HSC-T6细胞增殖的抑制均显著高于Sily组(P<0.05),SJG-L组与Sily组对HSC-T6细胞增殖的抑制无显著差异(P>0.05)。SJG-M、SJG-H组凋亡率分别为(7.09±1.04)%、(11.63±1.53)%,显著高于Sily组[(4.38±1.07)%]、SJG-L组[(4.17±0.30)%]和对照组[(1.74±0.11)%]。与对照组比较,各药物血清干预组细胞凋亡数明显增加,以SJG-H组增加最为明显。结论SJG含药血清可显著抑制HSC-T6细胞的活化、增殖,并诱导其凋亡。
