目的探究高脂血症患者SLCO1B1和ApoE基因多态性及其与患者血脂水平的相关性。方法回顾性分析我院2018年1月至2019年4月期间收治的115例高脂血症患者的三酰甘油(triglyceride,TG)、总胆固醇(total cholesterol,TC)、低密度脂蛋白胆固醇(l...目的探究高脂血症患者SLCO1B1和ApoE基因多态性及其与患者血脂水平的相关性。方法回顾性分析我院2018年1月至2019年4月期间收治的115例高脂血症患者的三酰甘油(triglyceride,TG)、总胆固醇(total cholesterol,TC)、低密度脂蛋白胆固醇(low density lipoprotein cholesterol,LDL-C)以及高密度脂蛋白胆固醇(high density lipoprotein cholesterol,HDL-C)等临床数据资料,将高脂血症患者作为观察组,同期选取106例健康志愿者作为对照组。比较观察组和对照组受测者SLCO1B1、ApoE基因多态性分布特征以及观察组患者SLCO1B1、ApoE基因表型组间各血脂水平指标的差异,同时采用偏相关性分析高脂血症患者SLCO1B1、ApoE基因与血脂水平的相关性。结果SLCO1B1基因多态性分布:观察组和对照组受测者A基因表型频率分别为77.39%、82.08%,均为组内最高,C基因表型频率均为组内最低,其中对照组健康志愿者未检测出C基因表型,A、B以及C基因表型频率组间比较差异均无统计学意义(P>0.05);ApoE基因多态性分布:观察组和对照组受测者E3基因表型频率分别为63.48%、76.42%,均为组内最高,同时观察组患者E3基因表型频率明显低于对照组健康志愿者,且观察组患者E4基因表型频率16.52%显著高于对照组健康志愿者5.66%,组间比较差异均具有统计学意义(P<0.05);高脂血症患者SLCO1B1基因表型A组TG、TC、LDL-C均高于B组和C组,B组HDL-C高于A组和C组,但3组基因表型TG、TC、LDL-C以及HDL-C等血脂指标水平差异无统计学意义(P>0.05);高脂血症患者ApoE基因表型E2、E3以及E4组TG、LDL-C、HDL-C水平比较均无统计学意义(P>0.05),但E4组TC水平显著高于E2组和E3组,组间差异比较具有统计学意义(P<0.05);偏相关性分析显示:SLCO1B1基因多态性与各血脂指标水平均无明显相关性(P>0.05),ApoE基因多态性与TG、HDL-C水平也均无相关趋势(P>0.05),但与TC(r=0.36)、LDL-C(r=0.28)水平具有相关性(P<0.0展开更多
We investigate the dynamics of a first-order quark-hadron transition via homogeneous thermal nucleation in the two-flavor quark-meson model.The contribution of the fermionic vacuum loop in the effective thermodynamics...We investigate the dynamics of a first-order quark-hadron transition via homogeneous thermal nucleation in the two-flavor quark-meson model.The contribution of the fermionic vacuum loop in the effective thermodynamics potential and phase diagram,together with the location of the critical endpoint(CEP),is obtained in the temperature and chemical potential plane.For weak and strong first-order phase transitions,by taking the temperature as a variable,the critical bubble profiles,evolutions of the surface tension,and saddle-point action in the presence of a nucleation bubble are numerically calculated in detail when fixing the chemical potentials atμ=306 MeV andμ=309 MeV.Our results show that the system could be trapped in the metastable state for a long time as long as the temperature is between the metastable region characterized by the up and low spinodal lines.Moreover,the surface tension at criticality will rise to approximately 4 MeV/fm2 when the chemical potential is very high.Such a small surface tension value would favor a mixed phase in the cores of compact stars and may have an important implication in astrophysics.展开更多
文摘目的探究高脂血症患者SLCO1B1和ApoE基因多态性及其与患者血脂水平的相关性。方法回顾性分析我院2018年1月至2019年4月期间收治的115例高脂血症患者的三酰甘油(triglyceride,TG)、总胆固醇(total cholesterol,TC)、低密度脂蛋白胆固醇(low density lipoprotein cholesterol,LDL-C)以及高密度脂蛋白胆固醇(high density lipoprotein cholesterol,HDL-C)等临床数据资料,将高脂血症患者作为观察组,同期选取106例健康志愿者作为对照组。比较观察组和对照组受测者SLCO1B1、ApoE基因多态性分布特征以及观察组患者SLCO1B1、ApoE基因表型组间各血脂水平指标的差异,同时采用偏相关性分析高脂血症患者SLCO1B1、ApoE基因与血脂水平的相关性。结果SLCO1B1基因多态性分布:观察组和对照组受测者A基因表型频率分别为77.39%、82.08%,均为组内最高,C基因表型频率均为组内最低,其中对照组健康志愿者未检测出C基因表型,A、B以及C基因表型频率组间比较差异均无统计学意义(P>0.05);ApoE基因多态性分布:观察组和对照组受测者E3基因表型频率分别为63.48%、76.42%,均为组内最高,同时观察组患者E3基因表型频率明显低于对照组健康志愿者,且观察组患者E4基因表型频率16.52%显著高于对照组健康志愿者5.66%,组间比较差异均具有统计学意义(P<0.05);高脂血症患者SLCO1B1基因表型A组TG、TC、LDL-C均高于B组和C组,B组HDL-C高于A组和C组,但3组基因表型TG、TC、LDL-C以及HDL-C等血脂指标水平差异无统计学意义(P>0.05);高脂血症患者ApoE基因表型E2、E3以及E4组TG、LDL-C、HDL-C水平比较均无统计学意义(P>0.05),但E4组TC水平显著高于E2组和E3组,组间差异比较具有统计学意义(P<0.05);偏相关性分析显示:SLCO1B1基因多态性与各血脂指标水平均无明显相关性(P>0.05),ApoE基因多态性与TG、HDL-C水平也均无相关趋势(P>0.05),但与TC(r=0.36)、LDL-C(r=0.28)水平具有相关性(P<0.0
基金Supported in part by the National Natural Science Foundation of China(NSFC)(11675048)。
文摘We investigate the dynamics of a first-order quark-hadron transition via homogeneous thermal nucleation in the two-flavor quark-meson model.The contribution of the fermionic vacuum loop in the effective thermodynamics potential and phase diagram,together with the location of the critical endpoint(CEP),is obtained in the temperature and chemical potential plane.For weak and strong first-order phase transitions,by taking the temperature as a variable,the critical bubble profiles,evolutions of the surface tension,and saddle-point action in the presence of a nucleation bubble are numerically calculated in detail when fixing the chemical potentials atμ=306 MeV andμ=309 MeV.Our results show that the system could be trapped in the metastable state for a long time as long as the temperature is between the metastable region characterized by the up and low spinodal lines.Moreover,the surface tension at criticality will rise to approximately 4 MeV/fm2 when the chemical potential is very high.Such a small surface tension value would favor a mixed phase in the cores of compact stars and may have an important implication in astrophysics.
