目的研究外周血CD4^(+)CD28^(null)T细胞、肿瘤坏死因子受体超家族成员4(OX40)、4-1BB变化与糖尿病患者动脉粥样硬化(AS)进展的关联性。方法选取2型糖尿病(T2DM)患者120例,根据是否合并AS分为DM-AS组和DM组,比较两组外周血CD4^(+)CD28^(...目的研究外周血CD4^(+)CD28^(null)T细胞、肿瘤坏死因子受体超家族成员4(OX40)、4-1BB变化与糖尿病患者动脉粥样硬化(AS)进展的关联性。方法选取2型糖尿病(T2DM)患者120例,根据是否合并AS分为DM-AS组和DM组,比较两组外周血CD4^(+)CD28^(null)T细胞亚群比率及OX40、4-1BB阳性比率变化,并根据颈动脉狭窄程度分为轻度AS组(狭窄≤50%)、中度AS组(狭窄51%~69%)及重度AS组(狭窄≥70%),分析CD4^(+)CD28^(null)T细胞、OX40、4-1BB变化与AS进展的关联性。结果120例患者中,DM-AS组有76例,占63.33%;与DM组相比,DM-AS组的DM病程、收缩压、餐后2 h血糖(2 h PG)、糖化血红蛋白、载脂蛋白B、C反应蛋白(CRP)、肿瘤坏死因子-α(TNF-α)水平及CD4^(+)CD28^(null)T细胞亚群比率、OX40阳性比率、4-1BB阳性比率较高,载脂蛋白A1水平较低,差异均有统计学意义(t分别=2.57、2.49、2.78、2.19、3.12、2.94、4.31、5.97、16.91、11.47、-2.52,P均<0.05);CD4^(+)CD28^(null)T细胞、OX40、4-1BB联合诊断DM-AS的曲线下面积(AUC)为0.96。DM-AS组76例中,其中轻度AS组37例、中度AS组29例、重度AS组10例。AS程度与CD4^(+)CD28^(null)T细胞亚群比率及OX40、4-1BB阳性比率均呈正相关(r分别=0.24、0.48、0.38,P均<0.05)。结论DM-AS患者的外周血CD4^(+)CD28^(null)T细胞亚群比率及OX40、4-1BB阳性比率均明显升高,对DM-AS具有诊断价值,与AS进展呈正相关。展开更多
Pharyngeal cartilage morphogenesis is crucial for the formation of craniofacial structures.Cranial neural crest cells are specified at the neural plate border,migrate to pharyngeal arches,and differentiate into pharyn...Pharyngeal cartilage morphogenesis is crucial for the formation of craniofacial structures.Cranial neural crest cells are specified at the neural plate border,migrate to pharyngeal arches,and differentiate into pharyngeal chondrocytes,which subsequently flatten,elongate,and stack like coins during maturation.Although the developmental processes prior to chondrocyte maturation have been extensively studied,their subsequent changes in morphology and organization remain largely elusive.Here,we show that wnt2bb is expressed in the pharyngeal ectoderm adjacent to the chondrogenic precursor cells in zebrafish.Inactivation of Wnt2bb leads to a reduction in nuclearβ-catenin,which impairs chondrogenic precursor proliferation and disrupts chondrocyte morphogenesis and organization,eventually causing a severe shrinkage of pharyngeal cartilages.Moreover,the decrease ofβ-catenin in wnt2bb^(-/-)mutants is accompanied by the reduction of Yap expression.Reactivation of Yap can restore the proliferation of chondrocyte progenitors as well as the proper size,shape,and stacking of pharyngeal chondrocytes.Our findings suggest that Wnt/β-catenin signaling promotes Yap expression to regulate pharyngeal cartilage formation in zebrafish.展开更多
文摘目的研究外周血CD4^(+)CD28^(null)T细胞、肿瘤坏死因子受体超家族成员4(OX40)、4-1BB变化与糖尿病患者动脉粥样硬化(AS)进展的关联性。方法选取2型糖尿病(T2DM)患者120例,根据是否合并AS分为DM-AS组和DM组,比较两组外周血CD4^(+)CD28^(null)T细胞亚群比率及OX40、4-1BB阳性比率变化,并根据颈动脉狭窄程度分为轻度AS组(狭窄≤50%)、中度AS组(狭窄51%~69%)及重度AS组(狭窄≥70%),分析CD4^(+)CD28^(null)T细胞、OX40、4-1BB变化与AS进展的关联性。结果120例患者中,DM-AS组有76例,占63.33%;与DM组相比,DM-AS组的DM病程、收缩压、餐后2 h血糖(2 h PG)、糖化血红蛋白、载脂蛋白B、C反应蛋白(CRP)、肿瘤坏死因子-α(TNF-α)水平及CD4^(+)CD28^(null)T细胞亚群比率、OX40阳性比率、4-1BB阳性比率较高,载脂蛋白A1水平较低,差异均有统计学意义(t分别=2.57、2.49、2.78、2.19、3.12、2.94、4.31、5.97、16.91、11.47、-2.52,P均<0.05);CD4^(+)CD28^(null)T细胞、OX40、4-1BB联合诊断DM-AS的曲线下面积(AUC)为0.96。DM-AS组76例中,其中轻度AS组37例、中度AS组29例、重度AS组10例。AS程度与CD4^(+)CD28^(null)T细胞亚群比率及OX40、4-1BB阳性比率均呈正相关(r分别=0.24、0.48、0.38,P均<0.05)。结论DM-AS患者的外周血CD4^(+)CD28^(null)T细胞亚群比率及OX40、4-1BB阳性比率均明显升高,对DM-AS具有诊断价值,与AS进展呈正相关。
基金support of the National Natural Science Foundation of China(32025014 and 32330029 to Q.W.)the National Key Research and Development Program of China(2020YFA0804000 to Q.W.)+2 种基金Guangdong Excellent Youth Team Project(2024B1515040019 to Q.W.)Guangzhou Science and Technology Plan Project(202201010323 to X.H.)the Fundamental Research Funds for the Central Universities(to Q.W.).
文摘Pharyngeal cartilage morphogenesis is crucial for the formation of craniofacial structures.Cranial neural crest cells are specified at the neural plate border,migrate to pharyngeal arches,and differentiate into pharyngeal chondrocytes,which subsequently flatten,elongate,and stack like coins during maturation.Although the developmental processes prior to chondrocyte maturation have been extensively studied,their subsequent changes in morphology and organization remain largely elusive.Here,we show that wnt2bb is expressed in the pharyngeal ectoderm adjacent to the chondrogenic precursor cells in zebrafish.Inactivation of Wnt2bb leads to a reduction in nuclearβ-catenin,which impairs chondrogenic precursor proliferation and disrupts chondrocyte morphogenesis and organization,eventually causing a severe shrinkage of pharyngeal cartilages.Moreover,the decrease ofβ-catenin in wnt2bb^(-/-)mutants is accompanied by the reduction of Yap expression.Reactivation of Yap can restore the proliferation of chondrocyte progenitors as well as the proper size,shape,and stacking of pharyngeal chondrocytes.Our findings suggest that Wnt/β-catenin signaling promotes Yap expression to regulate pharyngeal cartilage formation in zebrafish.
