目的探讨hMOF(human male absent on the first)蛋白在子宫内膜癌组织中的表达及临床意义。方法采用免疫组织化学(IHC)的方法检测58例子宫内膜癌组织(子宫内膜癌WTO分级G1级20例,G2级18例,G3级20例)及癌旁正常组织的hMOF蛋白的表达水平...目的探讨hMOF(human male absent on the first)蛋白在子宫内膜癌组织中的表达及临床意义。方法采用免疫组织化学(IHC)的方法检测58例子宫内膜癌组织(子宫内膜癌WTO分级G1级20例,G2级18例,G3级20例)及癌旁正常组织的hMOF蛋白的表达水平,并与临床及病理资料进行分析比较,统计学方法采用单因素多元方差分析及Fisher检验明确hMOF蛋白表达水平与子宫内膜癌患者临床病例特点的关系。结果免疫组织化学显示:hMOF蛋白在23例(39.6%)子宫内膜癌组织中的表达为阴性或弱阳性,癌旁正常组织仅5例(13.1%)表达为阴性或弱阳性,两组有显著差异(P<0.05)。根据IHC评分将患者分为≤4分组和≥5分组,比较两组间患者的临床特点:≤4分组中,子宫内膜癌为低分化(G3级)的病例占52.1%(12/23),FIGO分级为Ⅲ-Ⅳ级的病例占47.8%(11/23);≥5分组中G3病例仅占22.8%(8/35),FIGO分级为Ⅲ-Ⅳ级的病例占14.3%,两组间差异显著(P<0.05)。结论 hMOF蛋白在子宫内膜癌组织,尤其低分化、高分期的子宫内膜癌组织中的表达明显下降。这提示hMOF蛋白可能在子宫内膜癌的发生发展中起到重要作用,hMOF蛋白可以作为一个判断子宫内膜癌疾病严重程度和预后的生物分子指标。展开更多
MOF(males absent on the first)是果蝇体内特异催化组蛋白H4第16位赖氨酸(H4K16)乙酰化的一个关键催化亚基。hMOF与果蝇具有相同的催化功能,作为乙酰化H4K16的关键酶,hMOF参与了许多重要的细胞活动,而这些都与肿瘤的发生发展密切相关,...MOF(males absent on the first)是果蝇体内特异催化组蛋白H4第16位赖氨酸(H4K16)乙酰化的一个关键催化亚基。hMOF与果蝇具有相同的催化功能,作为乙酰化H4K16的关键酶,hMOF参与了许多重要的细胞活动,而这些都与肿瘤的发生发展密切相关,去除hMOF基因之后不仅会引起大范围的H4K16乙酰化减少,也会造成一些基因转录的异常。hMOF在不同肿瘤中表达不同,有的表现为抑癌基因的作用,有的则表现为致癌基因的作用。展开更多
Homochiral metal–organic frameworks(HMOFs)are attractive materials for asymmetric catalysis because they possess high surface area and uniform active sites.A variety of catalytic applications reported so far indicate...Homochiral metal–organic frameworks(HMOFs)are attractive materials for asymmetric catalysis because they possess high surface area and uniform active sites.A variety of catalytic applications reported so far indicate that HMOFs catalyse a range of transformations,including cyanosilylation,aldol condensation and hydrogenation reactions.Besides contribution to fundamental knowledge,it is also important to evaluate the relevance of organic transformations catalysed by HMOFs and how existing achievements compare with already established enantioselective catalysts.This mini-review gives an overview of the structural design and the catalytic performance of HMOFs and it focuses on the relevance of the chemical reactions tested.It aims at combining the existing demand for heterogeneous asymmetric catalysts with the current knowledge on HMOFs.This is important for the MOF community since it highlights relevant broad scope asymmetric catalytic transformations performed in industry and the insight gained from the catalytic reactions carried out using HMOFs as catalysts.We hope that this work will motivate researchers to rationally design HMOFs with a goal to unveil reaction mechanisms and the interactions between the HMOFs and the reaction molecules for industrially relevant catalytic reactions.展开更多
文摘目的探讨hMOF(human male absent on the first)蛋白在子宫内膜癌组织中的表达及临床意义。方法采用免疫组织化学(IHC)的方法检测58例子宫内膜癌组织(子宫内膜癌WTO分级G1级20例,G2级18例,G3级20例)及癌旁正常组织的hMOF蛋白的表达水平,并与临床及病理资料进行分析比较,统计学方法采用单因素多元方差分析及Fisher检验明确hMOF蛋白表达水平与子宫内膜癌患者临床病例特点的关系。结果免疫组织化学显示:hMOF蛋白在23例(39.6%)子宫内膜癌组织中的表达为阴性或弱阳性,癌旁正常组织仅5例(13.1%)表达为阴性或弱阳性,两组有显著差异(P<0.05)。根据IHC评分将患者分为≤4分组和≥5分组,比较两组间患者的临床特点:≤4分组中,子宫内膜癌为低分化(G3级)的病例占52.1%(12/23),FIGO分级为Ⅲ-Ⅳ级的病例占47.8%(11/23);≥5分组中G3病例仅占22.8%(8/35),FIGO分级为Ⅲ-Ⅳ级的病例占14.3%,两组间差异显著(P<0.05)。结论 hMOF蛋白在子宫内膜癌组织,尤其低分化、高分期的子宫内膜癌组织中的表达明显下降。这提示hMOF蛋白可能在子宫内膜癌的发生发展中起到重要作用,hMOF蛋白可以作为一个判断子宫内膜癌疾病严重程度和预后的生物分子指标。
文摘MOF(males absent on the first)是果蝇体内特异催化组蛋白H4第16位赖氨酸(H4K16)乙酰化的一个关键催化亚基。hMOF与果蝇具有相同的催化功能,作为乙酰化H4K16的关键酶,hMOF参与了许多重要的细胞活动,而这些都与肿瘤的发生发展密切相关,去除hMOF基因之后不仅会引起大范围的H4K16乙酰化减少,也会造成一些基因转录的异常。hMOF在不同肿瘤中表达不同,有的表现为抑癌基因的作用,有的则表现为致癌基因的作用。
文摘Homochiral metal–organic frameworks(HMOFs)are attractive materials for asymmetric catalysis because they possess high surface area and uniform active sites.A variety of catalytic applications reported so far indicate that HMOFs catalyse a range of transformations,including cyanosilylation,aldol condensation and hydrogenation reactions.Besides contribution to fundamental knowledge,it is also important to evaluate the relevance of organic transformations catalysed by HMOFs and how existing achievements compare with already established enantioselective catalysts.This mini-review gives an overview of the structural design and the catalytic performance of HMOFs and it focuses on the relevance of the chemical reactions tested.It aims at combining the existing demand for heterogeneous asymmetric catalysts with the current knowledge on HMOFs.This is important for the MOF community since it highlights relevant broad scope asymmetric catalytic transformations performed in industry and the insight gained from the catalytic reactions carried out using HMOFs as catalysts.We hope that this work will motivate researchers to rationally design HMOFs with a goal to unveil reaction mechanisms and the interactions between the HMOFs and the reaction molecules for industrially relevant catalytic reactions.
