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    • 1. 发明申请
    • RIBOSWITCHES, METHODS FOR THEIR USE, AND COMPOSITIONS FOR USE WITH RIBOSWITCHES.
    • RIBOSWITCHES,其使用方法,以及使用RIBOSWITCHES的组合物。
    • WO2004027035A2
    • 2004-04-01
    • PCT/US2003/029589
    • 2003-09-22
    • YALE UNIVERSITY
    • BREAKER, Ronald, R.NAHVI, AliSUDARSAN, NarasimhanEBERT, Margaret, S.WINKLER, WadeBARRICK, Jeffrey, E.WICKISER, John, K.
    • C12N
    • C12N15/113A61K31/00C07D415/00C07D473/18C07D473/34C12N15/115C12N15/67C12N2310/53
    • It has been discovered that certain natural mRNAs serve as metabolite-sensitive genetic switches wherein the RNA directly binds a small organic molecule. This binding process changes the conformation of the mRNA, which causes a change in gene expression by a variety of different mechanisms. Modified versions of these natural "riboswitches" (created by using various nucleic acid engineering strategies) can be employed as designer genetic switches that are controlled by specific effector compounds. Such effector compounds that activate a riboswitch are referred to herein as trigger molecules. The natural switches are targets for antibiotics and other small molecule therapies. In addition, the architecture of riboswitches allows actual pieces of the natural switches to be used to construct new non­immunogenic genetic control elements, for example the aptamer (molecular recognition) domain can be swapped with other non-natural aptamers (or otherwise modified) such that the new recognition domain causes genetic modulation with user-defined effector compounds. The changed switches become part of a therapy regimen-turning on, or off, or regulating protein synthesis. Newly constructed genetic regulation networks can be applied in such areas as living biosensors, metabolic engineering of organisms, and in advanced forms of gene therapy treatments.
    • 已经发现某些天然mRNA用作代谢物敏感的遗传开关,其中RNA直接结合小的有机分子。 这种结合过程改变mRNA的构象,其通过各种不同的机制引起基因表达的改变。 这些天然“核糖开关”(通过使用各种核酸工程策略产生)的修饰版本可被用作由特异性效应子化合物控制的设计者遗传开关。 激活核糖开关的这种效应子化合物在本文中称为触发分子。 天然开关是抗生素和其他小分子治疗的靶标。 此外,核糖开关的结构允许使用自然开关的实际部分来构建新的非免疫基因控制元件,例如适配子(分子识别)结构域可以与其他非天然适体(或以其它方式修饰)交换,使得 新的识别结构域由用户定义的效应子化合物引起遗传调控。 改变的开关成为治疗方案的一部分 - 打开或关闭或调节蛋白质合成。 新建的遗传调控网络可以应用于生物传感器,生物体的代谢工程,以及基因治疗治疗的先进形式等领域。
    • 4. 发明申请
    • RIBOSWITCHES, METHODS FOR THEIR USE, AND COMPOSITIONS FOR USE WITH RIBOSWITCHES.
    • RIBOSWITCHES,其使用方法,以及使用RIBOSWITCHES的组合物。
    • WO2004027035A3
    • 2005-01-27
    • PCT/US0329589
    • 2003-09-22
    • UNIV YALE
    • BREAKER RONALD RNAHVI ALISUDARSAN NARASIMHANEBERT MARGARET SWINKLER WADEBARRICK JEFFREY EWICKISER JOHN K
    • C12N15/113C12N15/115C12N15/67C07H21/00C07H21/02C07H21/04C12N5/00C12N15/63C12P19/34C12Q1/68
    • C12N15/113A61K31/00C07D415/00C07D473/18C07D473/34C12N15/115C12N15/67C12N2310/53
    • It has been discovered that certain natural mRNAs serve as metabolite-sensitive genetic switches wherein the RNA directly binds a small organic molecule. This binding process changes the conformation of the mRNA, which causes a change in gene expression by a variety of different mechanisms. Modified versions of these natural "riboswitches" (created by using various nucleic acid engineering strategies) can be employed as designer genetic switches that are controlled by specific effector compounds. Such effector compounds that activate a riboswitch are referred to herein as trigger molecules. The natural switches are targets for antibiotics and other small molecule therapies. In addition, the architecture of riboswitches allows actual pieces of the natural switches to be used to construct new non­immunogenic genetic control elements, for example the aptamer (molecular recognition) domain can be swapped with other non-natural aptamers (or otherwise modified) such that the new recognition domain causes genetic modulation with user-defined effector compounds. The changed switches become part of a therapy regimen-turning on, or off, or regulating protein synthesis. Newly constructed genetic regulation networks can be applied in such areas as living biosensors, metabolic engineering of organisms, and in advanced forms of gene therapy treatments.
    • 已经发现某些天然mRNA用作代谢物敏感的遗传开关,其中RNA直接结合小的有机分子。 这种结合过程改变mRNA的构象,其通过各种不同的机制引起基因表达的改变。 这些天然“核糖开关”(通过使用各种核酸工程策略产生)的修饰版本可以被用作由特异性效应子化合物控制的设计者遗传开关。 激活核糖开关的这种效应子化合物在本文中称为触发分子。 天然开关是抗生素和其他小分子治疗的靶标。 此外,核糖开关的结构允许使用自然开关的实际部分来构建新的非免疫基因控制元件,例如适配子(分子识别)结构域可以与其他非天然适体(或以其它方式修饰)交换,使得 新的识别结构域由用户定义的效应子化合物引起遗传调控。 改变的开关成为治疗方案的一部分 - 打开或关闭或调节蛋白质合成。 新建的遗传调控网络可以应用于生物传感器,生物体的代谢工程,以及基因治疗治疗的先进形式等领域。
    • 9. 发明申请
    • EXTRACTION OF B-VITAMINS FROM PLANT MATTER
    • 从植物提取B维生素
    • WO2013018103A2
    • 2013-02-07
    • PCT/IN2012/000528
    • 2012-07-30
    • RAJENDRAN, RamaswamyRAJENDRAN, Kamala
    • RAJENDRAN, RamaswamyRAJENDRAN, Kamala
    • C07D475/06
    • A61K36/752A61K31/16A61K31/4406A61K31/4415A61K31/51A61K31/519A61K31/525A61K36/53A61K36/61C07D415/00C07D475/06C07D475/14C07H1/08C07H23/00
    • A process for the extraction of the B group of vitamins from a first plant matter is disclosed wherein, prior to the said extraction operation, the first plant matter is treated with a second plant matter comprising acidic compounds. The acidification converts the said vitamins into more water-soluble forms and increases the yield thereof. In one example, the first plant matter comprises guava fruit matter, holy basil leaves and lemon peels, the two last-mentioned plant species being the source of the acidic compounds. The vitamins extracted and the proportions thereof can be controlled by a suitable choice of the plant species constituting the first and second plant matters and their quantities such as to give a substantially ready formulation conforming to RDA values or other requirements. The vitamins extracted are Bl, B2, B3, B5, B6 and B9, the above combination of plant matters giving higher yield than others. The process is of general applicability to other plant constituents.
    • 公开了从第一植物物质中提取B族维生素的方法,其中在所述提取操作之前,用包含酸性化合物的第二植物物质处理第一植物物质。 酸化将所述维生素转化为更多的水溶性形式并提高其产率。 在一个实例中,第一植物物质包括番石榴果实物质,圣罗勒叶和柠檬皮,两种最后提到的植物物种是酸性化合物的来源。 提取的维生素及其比例可以通过适当选择构成第一和第二植物物质的植物物种及其数量来控制,从而给出符合RDA值或其他要求的基本准备的制剂。 提取的维生素是B1,B2,B3,B5,B6和B9,上述植物物质的组合比其他物质产生更高的产量。 该方法对其他植物成分具有普遍适用性。