目的:探讨新疆维吾尔族、汉族弥漫大B细胞淋巴瘤(diffuse large B-cell lymphoma,DLBCL)患者Bcl-6、c-myc基因易位的差异及其临床意义。方法:采用荧光免疫原位杂交(FISH)方法,对233例DLBCL活体石蜡切片进行Bcl-6、c-myc基因检测。观察Bc...目的:探讨新疆维吾尔族、汉族弥漫大B细胞淋巴瘤(diffuse large B-cell lymphoma,DLBCL)患者Bcl-6、c-myc基因易位的差异及其临床意义。方法:采用荧光免疫原位杂交(FISH)方法,对233例DLBCL活体石蜡切片进行Bcl-6、c-myc基因检测。观察Bcl-6、c-myc基因易位与DLBCL患者临床资料的关系,并对不同民族在不同亚型DLBCL中Bcl-6、c-myc基因易位的情况进行比较。结果:233例DLBCL中,Bcl-6基因重排51例,占21.89%;c-myc基因重排39例,占16.74%;Bcl-6基因易位的表达与患者年龄、性别、发病部位、临床分期和LDH水平无显著相关(P>0.05),而与民族、IPI评分、结外侵犯、B症状、DLBCL不同亚型和近期疗效有相关性(P<0.05);c-myc基因易位的表达与患者年龄、性别、发病部位、临床分期、LDH水平和DLBCL不同亚型无明显相关性(P>0.05),而与民族、IPI评分、结外侵犯、B症状和近期疗效有相关性(P<0.05);维、汉不同民族GCB中Bcl-6、c-myc基因易位比较差异均无统计学意义(P>0.05);维、汉不同民族非生发中心活化B细胞(non-GCB)中Bcl-6、c-myc基因易位比较差异有统计学意义(P<0.05)。结论:Bcl-6,C-myc基因易位的表达与维、汉不同民族、IPI评分、结外侵犯、B症状和近期疗效有相关性;维、汉民族non-GCB亚组中Bcl-6、c-myc基因易位存在差异。展开更多
Previous studies reported the association between interleukin-6(IL-6)-174G/C gene polymorphism and the risk of diabetic nephropathy in type 2 diabetes mellitus(T2DN).However,the results remain controversial.In the pre...Previous studies reported the association between interleukin-6(IL-6)-174G/C gene polymorphism and the risk of diabetic nephropathy in type 2 diabetes mellitus(T2DN).However,the results remain controversial.In the present study,we conducted a meta-analysis to further examine this relationship between IL-6-174G/C gene polymorphism and T2DN.Three databases(PubMed,SinoMed and ISI Web of Science)were used to search clinical case-control studies about IL-6-174G/C polymorphism and T2DN published until Apr.14,2018.Fixed-or random-effects n lodels were used to calculate the effect sizes of odds ratio(OR)and 95%confide nee intervals(95%CI).Moreover,subgroup analysis was performed in tenns of the excretion rate of albuminuria.All the statistical analyses were con ducted using Stata 12.0.A total of 11 case-control studies were included in this study,involving 1203 cases of T2DN and 1571 cases of T2DM without DN.Metaanalysis showed that there was an association between IL-6-174G/C polymorphism and increased risk of T2DN under the allelic and recessive genetic models(G vs.C:OR=1.10,95%CI 1.03-1」&P=0.006;GG vs.CC+GC:OR=1.11,95%CI 1.02-1.21,P=0.016).In the subgroup analysis by albuminuria,a significant association of IL-6-174G/C polymorphism with risk of T2DN was noted in the microalbuminuria group under the recessive model(OR=1.54,95%CI 1.02-2.32,P=0.038).In conclusion,this meta-analysis suggests that IL-6-174G/C gene polymorphism is associated with the risk of T2DN.展开更多
Multiple nitrate transporter(NRT)genes exist in the genome of bread wheat,and it is of great importance to identify the elite NRT genes for N-efficient wheat cultivar breeding.A candidate gene association study(CGAS)o...Multiple nitrate transporter(NRT)genes exist in the genome of bread wheat,and it is of great importance to identify the elite NRT genes for N-efficient wheat cultivar breeding.A candidate gene association study(CGAS)of six N use efficiency(NUE)related traits(grain N concentration(GNC),straw N concentration(SNC),grain yield(GY),grain N accumulation(GNA),shoot total N accumulation(STN)and N harvest index(NHI))was performed based on SNPs in 46 NRT2 genes using a panel composed of 286 wheat cultivars.CGAS identified TaNRT2.1-6B as an elite NRT gene that is significantly associated with four(NHI,SNC,GNA and GY)of the six NUE-related traits simultaneously.TaNRT2.1-6B is located on the plasma membrane and acts as a dual-affinity NRT.The overexpression of TaNRT2.1-6B increased the N influx and root growth of wheat,whereas gene silence lines resulted in the opposite effects.The overexpression of TaNRT2.1-6B also improved GY and N accumulation of wheat under either limited or sufficient N conditions.The data provide the TaNRT2.1-6B gene and the two associated SNP markers as promising powerful tools for breeding wheat cultivars with high N uptake ability and NUE.展开更多
文摘目的:探讨新疆维吾尔族、汉族弥漫大B细胞淋巴瘤(diffuse large B-cell lymphoma,DLBCL)患者Bcl-6、c-myc基因易位的差异及其临床意义。方法:采用荧光免疫原位杂交(FISH)方法,对233例DLBCL活体石蜡切片进行Bcl-6、c-myc基因检测。观察Bcl-6、c-myc基因易位与DLBCL患者临床资料的关系,并对不同民族在不同亚型DLBCL中Bcl-6、c-myc基因易位的情况进行比较。结果:233例DLBCL中,Bcl-6基因重排51例,占21.89%;c-myc基因重排39例,占16.74%;Bcl-6基因易位的表达与患者年龄、性别、发病部位、临床分期和LDH水平无显著相关(P>0.05),而与民族、IPI评分、结外侵犯、B症状、DLBCL不同亚型和近期疗效有相关性(P<0.05);c-myc基因易位的表达与患者年龄、性别、发病部位、临床分期、LDH水平和DLBCL不同亚型无明显相关性(P>0.05),而与民族、IPI评分、结外侵犯、B症状和近期疗效有相关性(P<0.05);维、汉不同民族GCB中Bcl-6、c-myc基因易位比较差异均无统计学意义(P>0.05);维、汉不同民族非生发中心活化B细胞(non-GCB)中Bcl-6、c-myc基因易位比较差异有统计学意义(P<0.05)。结论:Bcl-6,C-myc基因易位的表达与维、汉不同民族、IPI评分、结外侵犯、B症状和近期疗效有相关性;维、汉民族non-GCB亚组中Bcl-6、c-myc基因易位存在差异。
文摘Previous studies reported the association between interleukin-6(IL-6)-174G/C gene polymorphism and the risk of diabetic nephropathy in type 2 diabetes mellitus(T2DN).However,the results remain controversial.In the present study,we conducted a meta-analysis to further examine this relationship between IL-6-174G/C gene polymorphism and T2DN.Three databases(PubMed,SinoMed and ISI Web of Science)were used to search clinical case-control studies about IL-6-174G/C polymorphism and T2DN published until Apr.14,2018.Fixed-or random-effects n lodels were used to calculate the effect sizes of odds ratio(OR)and 95%confide nee intervals(95%CI).Moreover,subgroup analysis was performed in tenns of the excretion rate of albuminuria.All the statistical analyses were con ducted using Stata 12.0.A total of 11 case-control studies were included in this study,involving 1203 cases of T2DN and 1571 cases of T2DM without DN.Metaanalysis showed that there was an association between IL-6-174G/C polymorphism and increased risk of T2DN under the allelic and recessive genetic models(G vs.C:OR=1.10,95%CI 1.03-1」&P=0.006;GG vs.CC+GC:OR=1.11,95%CI 1.02-1.21,P=0.016).In the subgroup analysis by albuminuria,a significant association of IL-6-174G/C polymorphism with risk of T2DN was noted in the microalbuminuria group under the recessive model(OR=1.54,95%CI 1.02-2.32,P=0.038).In conclusion,this meta-analysis suggests that IL-6-174G/C gene polymorphism is associated with the risk of T2DN.
基金funded by the National Natural Science Foundation of China(31972497).
文摘Multiple nitrate transporter(NRT)genes exist in the genome of bread wheat,and it is of great importance to identify the elite NRT genes for N-efficient wheat cultivar breeding.A candidate gene association study(CGAS)of six N use efficiency(NUE)related traits(grain N concentration(GNC),straw N concentration(SNC),grain yield(GY),grain N accumulation(GNA),shoot total N accumulation(STN)and N harvest index(NHI))was performed based on SNPs in 46 NRT2 genes using a panel composed of 286 wheat cultivars.CGAS identified TaNRT2.1-6B as an elite NRT gene that is significantly associated with four(NHI,SNC,GNA and GY)of the six NUE-related traits simultaneously.TaNRT2.1-6B is located on the plasma membrane and acts as a dual-affinity NRT.The overexpression of TaNRT2.1-6B increased the N influx and root growth of wheat,whereas gene silence lines resulted in the opposite effects.The overexpression of TaNRT2.1-6B also improved GY and N accumulation of wheat under either limited or sufficient N conditions.The data provide the TaNRT2.1-6B gene and the two associated SNP markers as promising powerful tools for breeding wheat cultivars with high N uptake ability and NUE.
