For electronic microscopic observation, we found SSV-transformed NIH 3T3 cells were different from non-transformed cells. In SSV-transformed NIH 3T3 cells nuclei cytoplasma ratio was increased and in cytoplasma the ri...For electronic microscopic observation, we found SSV-transformed NIH 3T3 cells were different from non-transformed cells. In SSV-transformed NIH 3T3 cells nuclei cytoplasma ratio was increased and in cytoplasma the ribosomes (polyribosomes were attached to the swollen rough endoplasmic reticulum. It was likely that ribosomes were lined together functionally and structionally to produce specific protein (PDGF-like protein).展开更多
著名生物学家爱德华·威尔逊(Edward O Wilson)在其名作《一致性:知识的统一》(Consilience:The Unity of Knowledge)中提出跨学科整合与协调的必要性。他将融合定义为“知识的‘跳跃式结合',即通过事实的相互关联……创造出一...著名生物学家爱德华·威尔逊(Edward O Wilson)在其名作《一致性:知识的统一》(Consilience:The Unity of Knowledge)中提出跨学科整合与协调的必要性。他将融合定义为“知识的‘跳跃式结合',即通过事实的相互关联……创造出一个共同的解释基础。”文章的假设是,与基础生物医学研究需要来源于最新技术的数据几乎一样,整合现有知识同样极其重要。这涉及到解决相互矛盾的发现、减少“信息孤岛”、以及承认复杂的必要性。我们以角膜和晶状体作为我们假设的案例研究。具体来说,在这种视角下,我们讨论蛋白质聚集、氧化损伤和纤维化方面相互矛盾和碎片化的信息。这些研究领域与眼前节研究紧密相关。我们的目的是强调威尔逊的知识融合统一的迫切需要,从而增强严谨性和可重复性,最重要的是,促进对知识的深入理解,而不只是知道。展开更多
Dear Editor,Irreversible retinal damage can occur due to retinal degenerative(RD)diseases as well as injuries caused by accidents or devices.Laser devices can inflict permanent damage to the retina,leading to the loss...Dear Editor,Irreversible retinal damage can occur due to retinal degenerative(RD)diseases as well as injuries caused by accidents or devices.Laser devices can inflict permanent damage to the retina,leading to the loss of photoreceptors(PRs)and underlying retinal pigment epithelium(RPE),culminating in vision impairment.Since there is no effective treatment for permanent retinal injuries,replacing damaged PRs and RPE with corresponding healthy cells can be a suitable therapeutic approach.展开更多
以6个月到6岁肺炎患儿尿液为样本,采用基于气相色谱与质谱联用技术(GC-MS)的代谢组学方法,研究肺炎患儿尿液内源性代谢产物的变化及其易感性的发病机制。收集不同感染次数的肺炎患儿尿液样本,包括正常儿童组29例、单次感染肺炎患儿组35...以6个月到6岁肺炎患儿尿液为样本,采用基于气相色谱与质谱联用技术(GC-MS)的代谢组学方法,研究肺炎患儿尿液内源性代谢产物的变化及其易感性的发病机制。收集不同感染次数的肺炎患儿尿液样本,包括正常儿童组29例、单次感染肺炎患儿组35例、多次感染肺炎患儿组31例,分析获得肺炎患儿尿液代谢轮廓;同时对所得数据进行主成分分析(PCA)及偏最小二乘法-判别分析(PLS-DA)等多元统计分析,综合单因素方差分析及倍数(Fold change,FC)变化分析结果,最终筛选并通过Fiehn-Lib等数据库鉴定丝氨酸、组氨酸、脯氨酸、正亮氨酸、谷氨酰胺、硬脂酸、缬氨酸和异亮氨酸、乳糖醛酸等在正常儿童组与肺炎患儿组之间有代谢差异(p value adjusted by FDR<0.05)且FC>5,吲哚-3-乙酸、肌酸、乙醇胺、甘露糖基甘油酸和果糖在不同感染次数肺炎组之间具有差异性(p value adjusted by FDR<0.05)。实验结果表明,肺炎患儿易感性体质存在差异性代谢物,这些代谢物主要通过氨基酸及糖代谢对肺炎易感性产生影响。展开更多
文摘For electronic microscopic observation, we found SSV-transformed NIH 3T3 cells were different from non-transformed cells. In SSV-transformed NIH 3T3 cells nuclei cytoplasma ratio was increased and in cytoplasma the ribosomes (polyribosomes were attached to the swollen rough endoplasmic reticulum. It was likely that ribosomes were lined together functionally and structionally to produce specific protein (PDGF-like protein).
文摘著名生物学家爱德华·威尔逊(Edward O Wilson)在其名作《一致性:知识的统一》(Consilience:The Unity of Knowledge)中提出跨学科整合与协调的必要性。他将融合定义为“知识的‘跳跃式结合',即通过事实的相互关联……创造出一个共同的解释基础。”文章的假设是,与基础生物医学研究需要来源于最新技术的数据几乎一样,整合现有知识同样极其重要。这涉及到解决相互矛盾的发现、减少“信息孤岛”、以及承认复杂的必要性。我们以角膜和晶状体作为我们假设的案例研究。具体来说,在这种视角下,我们讨论蛋白质聚集、氧化损伤和纤维化方面相互矛盾和碎片化的信息。这些研究领域与眼前节研究紧密相关。我们的目的是强调威尔逊的知识融合统一的迫切需要,从而增强严谨性和可重复性,最重要的是,促进对知识的深入理解,而不只是知道。
基金supported by the National Eye Institute,National Institute of Health,Bethesda,Maryland,USA[CIRM DISC1-09912(BBT),NIH EY031144(BBT),R01 EY031834,EY-017337]the USC Ophthalmology Core(NIH P30EY029220,an unrestricted grant to the USC Department of Ophthalmology from RPB)+1 种基金the BrightFocus Foundation(M2016186,BBT)support from a Research to Prevent Blindness(RPB,New York,NY,USA)unrestricted grant to the UCI Department of Ophthalmology.
文摘Dear Editor,Irreversible retinal damage can occur due to retinal degenerative(RD)diseases as well as injuries caused by accidents or devices.Laser devices can inflict permanent damage to the retina,leading to the loss of photoreceptors(PRs)and underlying retinal pigment epithelium(RPE),culminating in vision impairment.Since there is no effective treatment for permanent retinal injuries,replacing damaged PRs and RPE with corresponding healthy cells can be a suitable therapeutic approach.
文摘以6个月到6岁肺炎患儿尿液为样本,采用基于气相色谱与质谱联用技术(GC-MS)的代谢组学方法,研究肺炎患儿尿液内源性代谢产物的变化及其易感性的发病机制。收集不同感染次数的肺炎患儿尿液样本,包括正常儿童组29例、单次感染肺炎患儿组35例、多次感染肺炎患儿组31例,分析获得肺炎患儿尿液代谢轮廓;同时对所得数据进行主成分分析(PCA)及偏最小二乘法-判别分析(PLS-DA)等多元统计分析,综合单因素方差分析及倍数(Fold change,FC)变化分析结果,最终筛选并通过Fiehn-Lib等数据库鉴定丝氨酸、组氨酸、脯氨酸、正亮氨酸、谷氨酰胺、硬脂酸、缬氨酸和异亮氨酸、乳糖醛酸等在正常儿童组与肺炎患儿组之间有代谢差异(p value adjusted by FDR<0.05)且FC>5,吲哚-3-乙酸、肌酸、乙醇胺、甘露糖基甘油酸和果糖在不同感染次数肺炎组之间具有差异性(p value adjusted by FDR<0.05)。实验结果表明,肺炎患儿易感性体质存在差异性代谢物,这些代谢物主要通过氨基酸及糖代谢对肺炎易感性产生影响。
