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    • 8. 发明申请
    • Expression of plasminogen and microplasminogen in duck weed
    • 在鸭杂草中表达纤溶酶原和微量淀粉样蛋白
    • US20050262592A1
    • 2005-11-24
    • US11056621
    • 2005-02-11
    • David SpencerLynn DickeyJohn GasdaskaXiaowei WangKevin CoxCharles Peele
    • David SpencerLynn DickeyJohn GasdaskaXiaowei WangKevin CoxCharles Peele
    • A01H1/00C12N9/68C12N15/82
    • C12N15/8257C12N9/6435C12Y304/21007
    • The present invention provides methods and compositions for the production of recombinant plasminogen, microplasminogen, and fragments thereof in a duckweed expression system. It is the novel finding of the present invention that a duckweed expression system may be used to produce high levels of plasminogen and microplasminogen. The duckweed-produced plasminogen and microplasminogen can be activated to produce a polypeptide having protease activity. Thus, the invention encompasses methods for the expression of plasminogen, microplasminogen, and fragments thereof in duckweed, duckweed plants that are transformed with expression cassettes for the expression of plasminogen, microplasminogen, and fragments thereof, and nucleic acids comprising nucleotide sequences encoding plasminogen, microplasminogen, and fragments thereof, where these nucleotide sequences are modified to enhance their expression in duckweed.
    • 本发明提供了用于在浮萍表达系统中生产重组纤溶酶原,微量血浆​​原和其片段的方法和组合物。 本发明的新发现是,浮萍表达系统可用于产生高水平的纤溶酶原和微量淀粉样蛋白。 可以将浮萍产生的纤溶酶原和微量血浆原活化以产生具有蛋白酶活性的多肽。 因此,本发明包括在用于表达纤溶酶原,微量血浆​​原和其片段的表达盒转化的浮萍,浮萍植物中表达纤溶酶原,微量淀粉样蛋白及其片段的方法,以及包含编码纤溶酶原,微量稀释细胞的核苷酸序列的核酸 及其片段,其中这些核苷酸序列被修饰以增强其在浮萍中的表达。
    • 10. 发明授权
    • C-terminally truncated interferon alpha variants
    • C-末端截短的干扰素α变体
    • US07959910B2
    • 2011-06-14
    • US10574046
    • 2004-04-16
    • Lynn DickeyJohn GasdaskaKevin Cox
    • Lynn DickeyJohn GasdaskaKevin Cox
    • A61K38/21C07K14/56C12P21/02C07H21/04C12N5/14
    • C07K14/56C07K2317/55C12N15/8216C12N15/8257
    • The present invention provides biologically active variants of human α-2b-interferon. The variants contain carboxy terminus truncations when compared with the amino acid sequence of full-length human α-2b-interferon. It is the novel finding of the present invention that these truncated variants have the biological activity of full-length human α-2b-interferon. The invention encompasses these biologically active variant α-interferons, as well as polynucleotides encoding these interferons. Expression cassettes comprising these polynucleotides and host cells comprising the expression cassettes are also provided. The invention also provides compositions comprising variant α-interferon polypeptides and a pharmaceutically acceptable carrier.
    • 本发明提供人α-2b-干扰素的生物活性变体。 当与全长人α-2b-干扰素的氨基酸序列相比时,变体含有羧基末端截短。 本发明的新发现是这些截短的变体具有全长人α-2b-干扰素的生物学活性。 本发明包括这些生物活性变体α-干扰素,以及编码这些干扰素的多核苷酸。 还提供了包含这些多核苷酸的表达盒和包含表达盒的宿主细胞。 本发明还提供包含变体α-干扰素多肽和药学上可接受的载体的组合物。