Background:The traditional Sox10 ^(Dom/+)mouse breeding strategy is costly and timeconsuming,so this study aims to optimize the breeding method and improve the scientific research efficiency.Methods:We select the offs...Background:The traditional Sox10 ^(Dom/+)mouse breeding strategy is costly and timeconsuming,so this study aims to optimize the breeding method and improve the scientific research efficiency.Methods:We select the offspring from mating B6C3Fe Sox10 ^(Dom/+)male mice with C57BL/6J female mice,and name the progeny B6C3Fe-g.Further,conduct separate self-breeding for both the B6C3Fe and B6C3Fe-g strains,adhering to the principle of pairing mutants with non-mutants.By comparing the number of offspring,survival rates,and the phenotype of aganglionosis in the colon,a comprehensive evaluation of their breeding capacity and phenotypic stability is conducted.Results:Sanger sequencing results show that the mutation sites of B6C3Fe and B6C3Fe-g mice are consistent.After fluorescent staining of intestinal nerves,it was found that the heterozygous mice of the two strains had neuronal deletion in the distal colon,and this pathological phenotype was consistent with the pathological features of the diseased colon of Hirschsprung disease(HSCR).However,compared with the B6C3Fe strain,the B6C3Fe-g strain has a higher number of offspring and greater survival rates.Conclusions:The breeding strategy of the B6C3Fe-g strain ensures genetic and phenotypic stability,while improving reproductive efficiency,and is an ideal scheme for breeding Sox10 ^(Dom/+)mice.展开更多
目的探讨三阴型乳腺癌(triple negative breast cancer,TNBC)中AR、SOX10、EGFR及PD-L1的表达及与预后的关系。方法收集557例TNBC患者的临床病理资料,采用免疫组化法检测TNBC中AR、SOX10、EGFR及PD-L1的表达,并复习相关文献。结果557例T...目的探讨三阴型乳腺癌(triple negative breast cancer,TNBC)中AR、SOX10、EGFR及PD-L1的表达及与预后的关系。方法收集557例TNBC患者的临床病理资料,采用免疫组化法检测TNBC中AR、SOX10、EGFR及PD-L1的表达,并复习相关文献。结果557例TNBC中AR、SOX10和EGFR的阳性率分别为16.0%、63.6%和74.7%,AR阳性患者肿瘤直径较小且不易发生转移(P均<0.005),SOX10与EGFR表达与Ki-67增殖指数、组织学类型、分级相关(P均<0.005)。PD-L1阳性率为37.9%,PD-L1表达与肿瘤大小和Ki-67增殖指数相关(P均<0.005),且阳性者多不表达AR,多伴SOX10和EGFR阳性。PD-L1阴性者的无进展生存期(progression-free survival,PFS)比阳性者长,AR和SOX10的表达与患者生存期相关。结论TNBC中AR通常阴性,SOX10和EGFR阳性,PD-L1表达与AR、SOX10、EGFR相关,PD-L1、AR和SOX10的表达和TNBC的PFS相关,有望成为治疗TNBC的新靶点。展开更多
基金Basic and Applied Basic Research Foundation of Guangxi Province of China,Grant/Award Number:2025GXNSFBA069072National Natural Science Foundation of China,Grant/Award Number:81970450,82070528,82170528,82200561,82201893,82301955,82370526 and 82560108+2 种基金Medical Scientific Research Foundation of Guangdong Province of China,Grant/Award Number:A2024374The Guangdong Basic and Applied Basic Research Foundation,Grant/Award Number:2024A03J1171,2024A03J1238 and 2024A1515013190Science and Technology Projects in Guangzhou,Grant/Award Number:202201020006。
文摘Background:The traditional Sox10 ^(Dom/+)mouse breeding strategy is costly and timeconsuming,so this study aims to optimize the breeding method and improve the scientific research efficiency.Methods:We select the offspring from mating B6C3Fe Sox10 ^(Dom/+)male mice with C57BL/6J female mice,and name the progeny B6C3Fe-g.Further,conduct separate self-breeding for both the B6C3Fe and B6C3Fe-g strains,adhering to the principle of pairing mutants with non-mutants.By comparing the number of offspring,survival rates,and the phenotype of aganglionosis in the colon,a comprehensive evaluation of their breeding capacity and phenotypic stability is conducted.Results:Sanger sequencing results show that the mutation sites of B6C3Fe and B6C3Fe-g mice are consistent.After fluorescent staining of intestinal nerves,it was found that the heterozygous mice of the two strains had neuronal deletion in the distal colon,and this pathological phenotype was consistent with the pathological features of the diseased colon of Hirschsprung disease(HSCR).However,compared with the B6C3Fe strain,the B6C3Fe-g strain has a higher number of offspring and greater survival rates.Conclusions:The breeding strategy of the B6C3Fe-g strain ensures genetic and phenotypic stability,while improving reproductive efficiency,and is an ideal scheme for breeding Sox10 ^(Dom/+)mice.
文摘目的探讨三阴型乳腺癌(triple negative breast cancer,TNBC)中AR、SOX10、EGFR及PD-L1的表达及与预后的关系。方法收集557例TNBC患者的临床病理资料,采用免疫组化法检测TNBC中AR、SOX10、EGFR及PD-L1的表达,并复习相关文献。结果557例TNBC中AR、SOX10和EGFR的阳性率分别为16.0%、63.6%和74.7%,AR阳性患者肿瘤直径较小且不易发生转移(P均<0.005),SOX10与EGFR表达与Ki-67增殖指数、组织学类型、分级相关(P均<0.005)。PD-L1阳性率为37.9%,PD-L1表达与肿瘤大小和Ki-67增殖指数相关(P均<0.005),且阳性者多不表达AR,多伴SOX10和EGFR阳性。PD-L1阴性者的无进展生存期(progression-free survival,PFS)比阳性者长,AR和SOX10的表达与患者生存期相关。结论TNBC中AR通常阴性,SOX10和EGFR阳性,PD-L1表达与AR、SOX10、EGFR相关,PD-L1、AR和SOX10的表达和TNBC的PFS相关,有望成为治疗TNBC的新靶点。
