目的:分析成人急性淋巴细胞白血病(ALL)患者的基因突变特征及其意义。方法:收集134例初治成人ALL患者的临床资料及16种基因突变的DNA测序结果,统计分析基因突变特征及其临床意义。结果:134例ALL患者中,31例(23.13%)检测到基因突变,其中...目的:分析成人急性淋巴细胞白血病(ALL)患者的基因突变特征及其意义。方法:收集134例初治成人ALL患者的临床资料及16种基因突变的DNA测序结果,统计分析基因突变特征及其临床意义。结果:134例ALL患者中,31例(23.13%)检测到基因突变,其中114例B-ALL患者中检测到19例(16.67%),19例T-ALL患者中检测到11例(57.89%)及1例T/B双表型ALL,T-ALL基因突变发生率显著高于B-ALL(χ^2=13.574,P<0.01)。共检测到12种基因突变,突变率从高到低依次为IL7R、NOTCH1、FLT3、TP53、FBXW7、PAX5、IKZF1、CREBBP、JAK3、JAK1、PHF6、PTEN。108例非移植可随访患者中,基因突变组(23例,21.30%)与无突变组(85例,78.70%)的1年总生存率(49.7%vs 67.4%)与中位无复发生存时间(214 d vs 260 d)差异均无统计学意义。NOTCH1基因突变组(4例,3.77%)与无突变组(102例,96.23%)的1年生存率差异有统计学意义(50.0%vs 65.8%,χ^2=9.840,P<0.01)。结论:成人ALL患者可能存在多种基因突变,其中IL7R、NOTCH1基因突变最常见,NOYCH1基因突变可能提示预后不良,基因突变检测有助于理解ALL发病机制及评估成人ALL患者的预后。展开更多
The issue on environmental degradation has always been one of very serious ecological and socially economic problems in the world.Economic theory often ignores the impact of its decisions on the environment.However,th...The issue on environmental degradation has always been one of very serious ecological and socially economic problems in the world.Economic theory often ignores the impact of its decisions on the environment.However,the environment often provides ecosystem services to sustain human health and build one sustainable environment.Therefore,it is important to propose an appropriate solution for estimating the environmental costs of land use.According to the research scale,the ecological service value model is divided into two parts,namely the large-and medium-sized land project ecosystem service value model.Then,these two models will be discussed in the medium-sized urbanization development project,and large-scale national high-speed rail project,respectively.展开更多
文摘目的:分析成人急性淋巴细胞白血病(ALL)患者的基因突变特征及其意义。方法:收集134例初治成人ALL患者的临床资料及16种基因突变的DNA测序结果,统计分析基因突变特征及其临床意义。结果:134例ALL患者中,31例(23.13%)检测到基因突变,其中114例B-ALL患者中检测到19例(16.67%),19例T-ALL患者中检测到11例(57.89%)及1例T/B双表型ALL,T-ALL基因突变发生率显著高于B-ALL(χ^2=13.574,P<0.01)。共检测到12种基因突变,突变率从高到低依次为IL7R、NOTCH1、FLT3、TP53、FBXW7、PAX5、IKZF1、CREBBP、JAK3、JAK1、PHF6、PTEN。108例非移植可随访患者中,基因突变组(23例,21.30%)与无突变组(85例,78.70%)的1年总生存率(49.7%vs 67.4%)与中位无复发生存时间(214 d vs 260 d)差异均无统计学意义。NOTCH1基因突变组(4例,3.77%)与无突变组(102例,96.23%)的1年生存率差异有统计学意义(50.0%vs 65.8%,χ^2=9.840,P<0.01)。结论:成人ALL患者可能存在多种基因突变,其中IL7R、NOTCH1基因突变最常见,NOYCH1基因突变可能提示预后不良,基因突变检测有助于理解ALL发病机制及评估成人ALL患者的预后。
文摘The issue on environmental degradation has always been one of very serious ecological and socially economic problems in the world.Economic theory often ignores the impact of its decisions on the environment.However,the environment often provides ecosystem services to sustain human health and build one sustainable environment.Therefore,it is important to propose an appropriate solution for estimating the environmental costs of land use.According to the research scale,the ecological service value model is divided into two parts,namely the large-and medium-sized land project ecosystem service value model.Then,these two models will be discussed in the medium-sized urbanization development project,and large-scale national high-speed rail project,respectively.