目的:探讨PCSK9和MIF在乳腺癌中的水平及其临床意义。方法:选取从2021年1月至2022年12月在我院就诊的139例乳腺癌患者和125健康体检人员。测定血清及组织PCSK9和MIF水平,分析在乳腺癌中的相关性。结果:乳腺癌患者的血清PCSK9和MIF水平...目的:探讨PCSK9和MIF在乳腺癌中的水平及其临床意义。方法:选取从2021年1月至2022年12月在我院就诊的139例乳腺癌患者和125健康体检人员。测定血清及组织PCSK9和MIF水平,分析在乳腺癌中的相关性。结果:乳腺癌患者的血清PCSK9和MIF水平明显高于对照组(P Objective: To investigate the relationship between the level of PCSK9 and MIF and breast cancer. Methods: From January 2021 to December 2022, 139 breast cancer patients after surgery and 125 health people as control group were elected. The levels of propotein convertase subtilisin/kexin 9 (PCSK9) and macrophage migration inhibitory factors (MIF) were measured, and analyzed the relationship in breast cancer. Results: The serum levels of PCSK9 and MIF in breast cancer patients was significantly higher than the control group (P < 0.05). The tissue levels of PCSK9 and MIF in breast cancer patients was significantly higher than breast fibroma patients, but the difference was not statistically significant. PCSK9 levels correlated positively with MIF levels in breast cancer tissue. Conclusion: The levels of PCSK9 and MIF were related to breast cancer, and PCSK9 levels correlated positively with serum MIF levels. Through monitoring the levels of PCSK9 and MIF, the methods should provide a new theoretical basis for early diagnosis and screening of breast cancer and accurate treatment.展开更多
【目的】从枳[Poncirus trifoliata(L.)Raf.]中克隆SBP类[SQUAMOSA(SQUA)promoter-binding-like]转录因子基因SPL9和SPL13全长,构建SPL9和SPL13亚细胞定位表达载体验证其是否具有核定位功能,利用荧光定量PCR研究其在枳不同组织的表达特...【目的】从枳[Poncirus trifoliata(L.)Raf.]中克隆SBP类[SQUAMOSA(SQUA)promoter-binding-like]转录因子基因SPL9和SPL13全长,构建SPL9和SPL13亚细胞定位表达载体验证其是否具有核定位功能,利用荧光定量PCR研究其在枳不同组织的表达特性,初步确定SPL9和SPL13在枳生长发育过程中的作用。【方法】利用生物信息学结合RACE技术以枳花器官的cDNA为模板,克隆出SPL9和SPL13基因全长,分别命名Pt-SPL9和Pt-SPL13,大小分别是1519bp和1824bp,在GenBank的登录号分别是FJ502237和FJ502238;构建Pt-SPL9和Pt-SPL13亚细胞定位载体35S-GW-FJ502237/FJ502238-GFP,基因枪转化洋葱表皮细胞,暗培养24h后激光共聚焦显微镜下观察;利用SYBR Green I实时定量RT-PCR方法检测Pt-SPL9和Pt-SPL13在根、茎、叶、花序、花和果等不同组织中的表达。【结果】生物信息学分析表明,Pt-SPL9和Pt-SPL13的cDNA序列中都有microRNA156的识别位点,Pt-SPL9与金鱼草、拟南芥和玉米SPL9的同源性分别为48.9%、42.5%和41.7%;Pt-SPL13与拟南芥SPL13、水稻的SPL16和玉米的TGA1同源性分别为40.8%、38.1%和35.8%。Pt-SPL9和Pt-SPL13与其它植物的SBP一样有着高度保守的序列,即SBP结构域和一个双向核定位信号KRXXXRRRK。亚细胞定位结果表明,Pt-SPL9和Pt-SPL13均定位于细胞核中。SYBR Green I实时定量RT-PCR结果表明,Pt-SPL9和Pt-SPL13在各个器官均有表达,但表达量不同,Pt-SPL9在茎中的表达量最高,在花和叶中的表达量次之,在根、花芽和幼果中的表达量最低;Pt-SPL13在幼果中的表达量最高,在茎和花芽中的表达量相当,其次为叶,在花和根中的表达量很低。【结论】转录因子Pt-SPL9和Pt-SPL13均具有核定位功能,Pt-SPL9和Pt-SPL13对枳的茎和果实的发育可能有着重要作用。展开更多
文摘目的:探讨PCSK9和MIF在乳腺癌中的水平及其临床意义。方法:选取从2021年1月至2022年12月在我院就诊的139例乳腺癌患者和125健康体检人员。测定血清及组织PCSK9和MIF水平,分析在乳腺癌中的相关性。结果:乳腺癌患者的血清PCSK9和MIF水平明显高于对照组(P Objective: To investigate the relationship between the level of PCSK9 and MIF and breast cancer. Methods: From January 2021 to December 2022, 139 breast cancer patients after surgery and 125 health people as control group were elected. The levels of propotein convertase subtilisin/kexin 9 (PCSK9) and macrophage migration inhibitory factors (MIF) were measured, and analyzed the relationship in breast cancer. Results: The serum levels of PCSK9 and MIF in breast cancer patients was significantly higher than the control group (P < 0.05). The tissue levels of PCSK9 and MIF in breast cancer patients was significantly higher than breast fibroma patients, but the difference was not statistically significant. PCSK9 levels correlated positively with MIF levels in breast cancer tissue. Conclusion: The levels of PCSK9 and MIF were related to breast cancer, and PCSK9 levels correlated positively with serum MIF levels. Through monitoring the levels of PCSK9 and MIF, the methods should provide a new theoretical basis for early diagnosis and screening of breast cancer and accurate treatment.
文摘【目的】从枳[Poncirus trifoliata(L.)Raf.]中克隆SBP类[SQUAMOSA(SQUA)promoter-binding-like]转录因子基因SPL9和SPL13全长,构建SPL9和SPL13亚细胞定位表达载体验证其是否具有核定位功能,利用荧光定量PCR研究其在枳不同组织的表达特性,初步确定SPL9和SPL13在枳生长发育过程中的作用。【方法】利用生物信息学结合RACE技术以枳花器官的cDNA为模板,克隆出SPL9和SPL13基因全长,分别命名Pt-SPL9和Pt-SPL13,大小分别是1519bp和1824bp,在GenBank的登录号分别是FJ502237和FJ502238;构建Pt-SPL9和Pt-SPL13亚细胞定位载体35S-GW-FJ502237/FJ502238-GFP,基因枪转化洋葱表皮细胞,暗培养24h后激光共聚焦显微镜下观察;利用SYBR Green I实时定量RT-PCR方法检测Pt-SPL9和Pt-SPL13在根、茎、叶、花序、花和果等不同组织中的表达。【结果】生物信息学分析表明,Pt-SPL9和Pt-SPL13的cDNA序列中都有microRNA156的识别位点,Pt-SPL9与金鱼草、拟南芥和玉米SPL9的同源性分别为48.9%、42.5%和41.7%;Pt-SPL13与拟南芥SPL13、水稻的SPL16和玉米的TGA1同源性分别为40.8%、38.1%和35.8%。Pt-SPL9和Pt-SPL13与其它植物的SBP一样有着高度保守的序列,即SBP结构域和一个双向核定位信号KRXXXRRRK。亚细胞定位结果表明,Pt-SPL9和Pt-SPL13均定位于细胞核中。SYBR Green I实时定量RT-PCR结果表明,Pt-SPL9和Pt-SPL13在各个器官均有表达,但表达量不同,Pt-SPL9在茎中的表达量最高,在花和叶中的表达量次之,在根、花芽和幼果中的表达量最低;Pt-SPL13在幼果中的表达量最高,在茎和花芽中的表达量相当,其次为叶,在花和根中的表达量很低。【结论】转录因子Pt-SPL9和Pt-SPL13均具有核定位功能,Pt-SPL9和Pt-SPL13对枳的茎和果实的发育可能有着重要作用。