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    • 5. 发明授权
    • Generation of new pancreatic beta cells
    • 新胰腺β细胞的产生
    • US09133440B2
    • 2015-09-15
    • US13662253
    • 2012-10-26
    • Claresa Levetan
    • Claresa Levetan
    • C12N5/071C07K14/07C07K14/435A61K35/39
    • C12N5/0676A61K35/39C07K14/07C07K14/435C12N2501/998
    • The present invention relates to novel therapies for treatment of new and existing type 1 and type 2 diabetes, PreDiabetes, Latent Autoimmune Diabetes of Adulthood, and diseases of insulin deficiency, beta cell deficiency, insulin resistance and impaired glucose metabolism. In particular, the present invention identifies common peptides within the human Reg1a, Reg1b, Reg3a and Reg4, as signaling peptides for beta cell generation acting through the human Reg Receptor on the surface of human pancreatic extra-islet tissue. This invention identifies a specific binding region of the Reg Receptor from which peptidomimetics and stimulating antibodies have been developed for the generation of new beta cells which may be administered directly to patients with said conditions including type 1 diabetes, type 2 diabetes, PreDiabetes and other conditions of beta cell deficiency, and provides specific methodology for protecting new beta cells generated for usage in type 1 diabetes and Latent Autoimmune Diabetes of Adulthood. This invention also provides for ex-vivo generation and delivery of beta cells utilizing the inventions described within.
    • 本发明涉及用于治疗新的和现有的1型和2型糖尿病,糖尿病前期,成人潜伏性自身免疫性糖尿病,胰岛素缺乏症,β细胞缺乏症,胰岛素抵抗和葡萄糖代谢障碍的新型疗法。 特别地,本发明鉴定人Reg1a,Reg1b,Reg3a和Reg4内的常见肽,作为通过人胰腺胰岛组织表面上的人Reg受体作用的β细胞产生的信号肽。 本发明鉴定了Reg受体的特异性结合区,其中开发了肽模拟物和刺激性抗体用于产生新的β细胞,其可以直接施用于具有所述病症包括1型糖尿病,2型糖尿病,糖尿病前期和其他病症的患者 的β细胞缺乏症,并提供了保护用于1型糖尿病和成人潜伏性自身免疫性糖尿病的新型β细胞的具体方法。 本发明还提供了使用本文所述的发明的β细胞的离体产生和递送。
    • 6. 发明授权
    • Process, vectors and engineered cell lines for enhanced large-scale transfection
    • 过程,载体和工程细胞系,用于增强大规模转染
    • US08637315B2
    • 2014-01-28
    • US12989898
    • 2009-03-09
    • Yves DurocherMartin Loignon
    • Yves DurocherMartin Loignon
    • C12N15/87C07K14/07
    • C12N15/85C07K14/005C07K2319/71C12N2710/16222C12N2710/16622C12N2800/108C12N2800/40
    • Processes vectors and engineered cell lines for large-scale transfection and protein production in mammalian cells, especially Chinese Hamster Ovary (CHO) cells are described in which transfection efficiencies are realized through the use of a single vector system, the use of functional oriP sequences in all plasmids, the use of codon-optimized Epstein-Barr virus nuclear antigen-1 (EBNA1) constructs the use of a fusion protein between a truncated Epstein-Barr virus nuclear antigenen-1c (EBNA1c) protein and a herpes simplex virus protein VP16, the use of a 40 kDa fully deacetylated poly(ethylenimine) as a transfection reagent, the use of co-expression of a fibroblast growth factor (FGF) and/or the use of protein kinase B to potentiate heterologous gene expression enhancement by valproic acid (VPA).
    • 描述了用于哺乳动物细胞,特别是中国仓鼠卵巢(CHO)细胞中大规模转染和蛋白质生产的载体和工程细胞系,其中转染效率通过使用单一载体系统实现,使用功能性oriP序列 所有质粒,使用密码子优化的爱泼斯坦 - 巴尔病毒核抗原-1(EBNA1)构建了截短的爱泼斯坦 - 巴尔病毒核抗原-1(EBNA1c)蛋白和单纯疱疹病毒蛋白VP16之间的融合蛋白, 使用40kDa完全脱乙酰化的聚(亚乙基亚胺)作为转染试剂,使用共表达成纤维细胞生长因子(FGF)和/或使用蛋白激酶B来加强丙戊酸的异源基因表达增强( VPA)。