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    • 1. 发明授权
    • Mammalian model for diabetes
    • 哺乳动物模型糖尿病
    • US07271311B2
    • 2007-09-18
    • US10252111
    • 2002-09-23
    • Fumitoshi IshinoNaoki MiyoshiTomoko IshinoMinesuke YokoyamaShigeharu Wakana
    • Fumitoshi IshinoNaoki MiyoshiTomoko IshinoMinesuke YokoyamaShigeharu Wakana
    • G01N33/00A01K67/27A01K67/33
    • C12N15/8509A01K67/0273A01K67/0275A01K2207/15A01K2217/00A01K2217/05A01K2227/105A01K2267/03A01K2267/0306C07K14/4705
    • An object of the present invention is to provide a model mammal for diabetes onset, being useful for elucidating the onset mechanism of diabetes caused by a blockage of signal transduction from insulin, and for the development of a remedy for said diabetes, and to provide a screening method of a remedy for said diabetes. A diabetic-prone transgenic mouse is prepared in a process comprising the steps of: a transgene that contains a Meg1/Grb10 gene, an imprinted gene exhibiting maternal expression, or a human GRB10 gene in the downstream of a chicken β-actin promoter and in the upstream of a rabbit β-globin poly A is constructed, and subsequently the transgene is microinjected into a male proneucleus of a mouse fertilized egg; thus obtained egg cell is cultured and then transplanted into an oviduct of a pseudopregnant female mouse; after rearing up the recipient animal, baby mice that have the above-mentioned cDNA are selected from the mice born from the recipient animal.
    • 本发明的目的是提供一种用于糖尿病发作的模型哺乳动物,可用于阐明由胰岛素信号传导阻断引起的糖尿病发病机制,以及用于开发所述糖尿病的治疗方法,并提供一种 所述糖尿病治疗方法的筛选方法。 制备具有糖尿病倾向的转基因小鼠,该方法包括以下步骤:在鸡β-肌动蛋白启动子的下游含有Meg1 / Grb10基因,表达母体表达的印记基因或人GRB10基因的转基因 构建了兔β-珠蛋白聚A的上游,随后将转基因显微注射入小鼠受精卵的雄性易位; 由此获得的卵细胞被培养,然后移植到假孕女性小鼠的输卵管中; 在饲养受体动物后,具有上述cDNA的婴儿小鼠选自从受体动物出生的小鼠。
    • 3. 发明授权
    • Transgenic toll-like receptor 9 (TLR9) mice
    • 转基因toll样受体9(TLR9)小鼠
    • US07507872B2
    • 2009-03-24
    • US10088567
    • 2001-06-05
    • Shizuo AkiraHiroaki Hemmi
    • Shizuo AkiraHiroaki Hemmi
    • A01K67/27C12N5/00
    • C07K14/705A01K2217/075
    • The present invention provides a receptor protein specifically recognizing bacterial DNA having an unmethylated CpG sequence, a genomic DNA encoding it, an experimental animal model useful for examining responsiveness of a host immune cell against a bacterial infectious disease. DNA encoding a receptor protein specifically recognizing bacterial DNA having an unmethylated CpG sequence is screened by BLAST search, a number of EST clones having high homology with various TLRs is screened, these clones are used as a probe to isolate a full-length cDNA from mouse macrophage cDNA library, and the sequence of bases of the cDNA is analyzed to confirm that it is TLR9 comprising a conserved regions such as LRR and TIR regions, and then a knockout mouse is produced to confirm that TLR9 is a receptor protein of oligonucleotides having an unmethylated CpG sequence of bacterial DNA.
    • 本发明提供了特异性识别具有非甲基化CpG序列的细菌DNA的受体蛋白,编码它的基因组DNA,用于检测宿主免疫细胞对细菌感染性疾病的反应性的实验动物模型。 通过BLAST检测筛选编码特异性识别具有未甲基化CpG序列的细菌DNA的受体蛋白质的DNA,筛选出与各种TLRs具有高同源性的许多EST克隆,将这些克隆作为探针从小鼠中分离全长cDNA 分析巨噬细胞cDNA文库和cDNA的碱基序列,以确认其是包含保守区域如LRR和TIR区域的TLR9,然后产生敲除小鼠,以证实TLR9是具有 细菌DNA的未甲基化CpG序列。