搜索结果: 46-60 共查到“国际动态 蛋白质工程”相关记录210条 . 查询时间(2.805 秒)
近日,美国贝勒医学院及太平洋西北国家实验室的科学家们利用基因组蛋白组学相结合的分析技术首次对人类结肠癌的蛋白基因组进行了详尽的分析,全面剖析了结直肠癌相关生物标志物、药物靶点和肿瘤抗原,并在Cell杂志上发表题为“Proteogenomic Analysis of Human Colon Cancer Reveals New Therapeutic Opportunities”的文章。
俄研究用新方式改善基因疗法效果
俄 改善方式 基因疗法效果
2018/6/4
如何使具有治疗作用的遗传物质顺利穿过靶细胞的内外膜,并且躲避细胞器的分解,是基因疗法成功与否的关键。俄罗斯科研人员发现,用一种蛋白质制作“密封船”运送少量遗传物质,有望获得更佳疗效。将核糖核酸(RNA)或脱氧核糖核酸(DNA)等外源性遗传物质植入细胞的过程名为“转染”。此前研究发现,用特定的“小干扰RNA”转染靶细胞可抑制其细胞核内的“问题基因”,使这类基因无法指导生成有害物质。为使小干扰RNA顺...
Proteins’ Fluorescence A Little Less Mysterious(图)
Proteins Fluorescence Little Less Mysterious
2018/2/1
Rice University scientists have effectively quenched a debate over the mechanism behind a fluorescent biosensor that monitors neurons by sensing changes in voltage.The work led by Rice theoretical che...
Researchers have applied Nobel prize-winning microscope technology to uncover an ion channel structure that could lead to new treatments for kidney stones. In a recent study published in Nature Struct...
Johns Hopkins Biologist Leads Team That Unlocks Mystery of Protein Function
Johns Hopkins Biologist Leads Team Unlocks Mystery Protein Function
2017/12/18
What makes the body of a person or any other organism work can for the most part be summed up in a word: proteins.These big molecules carry out almost all processes in living organisms, including movi...
Nanoscale platform aims to control protein levels(图)
Nanoscale platform aims control protein levels
2017/11/23
A nanoscale antibody first found in camels combined with a protein-degrading molecule is an effective new platform to control protein levels in cells, according to Rice University scientists. The tech...
So unheard of was a discovery that researchers made in a protein associated with glaucoma that for over two years they ran it through a gauntlet of lab tests and published a new research paper on it. ...
研究绘制蛋白质相互作用图像了解疾病起因(图)
蛋白质 相互作用 图像 疾病起因
2017/10/12
今天,由于对蛋白质—蛋白质相互作用—— 一门被称为“相互作用组”的学科——的系统研究,这些分子基础已经成为关注的焦点。通过绘制蛋白质之间的连接网络,三个研究小组独立发现了一个叫做“指挥官”的复合物,它由突变基因产生的蛋白质组成。“指挥官”是一个重要的细胞成分,可以对蛋白质进行分类和传递,其功能失调就会导致存在严重缺陷的Ritscher–Schinzel综合征。过去3年里,研究小组已经发表了第一批高...
Discovery Helps Engineer More Accurate Cas9s For Crispr Editing(图)
Engineer Cas9s Crispr Editing
2017/10/24
Scientists at the University of California, Berkeley and Massachusetts General Hospital have identified a key region within the Cas9 protein that governs how accurately CRISPR-Cas9 homes in on a targe...
在国家重点研发计划“蛋白质机器与生命过程调控”重点专项的支持下,“RNA结合蛋白在精子发生过程中的作用机理”项目取得重要进展,发现了精子运动调节基因TCTE1,解析了其影响精子运动的机理。
分子印迹领域取得重要研究突破
分子印迹领域 仿生识别材料 蛋白质 生物分子
2017/7/11
分子印迹是制备具有类似抗体或酶专一性仿生识别材料的重要技术,在生物传感、亲和分离和疾病诊断等领域具有广阔的应用前景。但是,蛋白质等生物分子的普适、高效印迹制备是分子印迹领域中的重要挑战,传统方法难以同时满足不同大小的生物分子的印迹,更无法对印迹过程进行精确控制。
俄以科学家找到恢复蛋白质活性的方法
俄以科学家 蛋白质活性 恢复方法
2017/6/28
俄罗斯圣彼得堡信息技术、机械与光学学院发布消息称,该校与以色列耶路撒冷希伯来大学合作,找到了一种恢复化学变性蛋白质结构的方法,该方法在用于制备治疗帕金森(阿尔茨海默氏症)类疾病药物时,可显著减低药物的制备成本。蛋白质特别是酶,可以加快化学反应的速度,所以被广泛用于药品和食品工业。蛋白质分子拥有复杂的空间结构,且其空间结构与蛋白质的功能直接相关,如果其空间结构被破坏,则蛋白质失去活性。一个常见的例子...
Cryo-EM images reveal how key biological machine unfolds problem proteins
Cryo-EM images biological machine proteins
2017/7/21
Hand over hand. That's how new, near-atomic resolution, 3-D snapshots show that a key biological machine unfolds a ribbon of protein through its central channel.The machine is a protein complex called...
Investigating folding stability and dynamics of proteins
folding stability dynamics proteins
2017/7/24
Hydrogels are polymer materials that can absorb a large amount of water, making them flexible like human tissue. They are used in a number of medical applications, including contact lenses, wound dres...