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    • 6. 发明授权
    • Preparation of heterologous proteins on oil bodies
    • 在油体上制备异源蛋白质
    • US06753167B2
    • 2004-06-22
    • US09893525
    • 2001-06-29
    • Maurice M. MoloneyGijs van Rooijen
    • Maurice M. MoloneyGijs van Rooijen
    • C12N1562
    • C12N9/6483C07K14/415C07K14/545C07K14/61C07K14/8139C07K14/815C07K2319/00C07K2319/02C12N9/6429C12N15/8222C12N15/8234C12N15/8241C12N15/8242C12N15/8257C12Y304/21005C12Y304/23004
    • The present invention relates to the use of a class of genes called oil body protein genes that have unique features. The discovery of these features allowed the invention of methods for the production of recombinant proteins wherein a protein of interest can be easily separated from other host cell components. The invention is further exemplified by methods for exploitation of the unique characteristics of the oil body proteins and oil body genes for expression of polypeptides of interest in many organisms, particularly plant seeds. Said polypeptides may include but are not limited to: seed storage proteins, enzymes, bioactive peptides, antibodies and the like. The invention can also be modified to recover recombinant polypeptides fused to oil body proteins from non-plant host cells. Additionally the invention provides a method of using recombinant proteins associated with seed oil bodies released during seed germination for expression of polypeptides that afford protection to seedlings from pathogens. Finally, the persistent association of oil body proteins with the oil body can be further utilized to develop a biological means to create novel immobilized enzymes useful for bioconversion of substrates.
    • 本发明涉及具有独特特征的称为油体蛋白基因的一类基因的用途。 这些特征的发现允许本发明用于生产重组蛋白质的方法,其中感兴趣的蛋白质可以容易地与其他宿主细胞组分分离。 本发明进一步举例说明了利用油体蛋白和油体基因在许多生物体,特别是植物种子中表达目标多肽的独特特征的方法。 所述多肽可以包括但不限于:种子储存蛋白,酶,生物活性肽,抗体等。 还可以修饰本发明以从非植物宿主细胞中回收与油体蛋白融合的重组多肽。 另外,本发明提供了一种使用与种子发芽期间释放的种子油体相关的重组蛋白的方法,用于表达能够保护来自病原体的幼苗的多肽。 最后,油体蛋白与油体的持续结合可以进一步利用,以开发生物学手段来产生可用于生物转化底物的新型固定化酶。
    • 8. 发明授权
    • Expression of immunoglobulin-cytokine fusion proteins in malignant B cells
    • 免疫球蛋白 - 细胞因子融合蛋白在恶性B细胞中的表达
    • US06673573B2
    • 2004-01-06
    • US09064026
    • 1998-04-21
    • Ralph Mocikat
    • Ralph Mocikat
    • C12N1562
    • C12N15/907C07K14/52C07K2317/21C07K2319/00C07K2319/30
    • According to the invention, there is provided a vector for the expression of immunoglobulin-cytokine fusion proteins in malignant B cells at least containing operably linked to each other (a) a region of at least 1.5 kb which is homologous to a region of the &mgr; intron or the &kgr; intron and which lacks a functional C&mgr; or C&kgr; enhancer or contains a non-functional C82 or C&kgr; enhancer; (b) at least one DNA sequence encoding a domain of an immunoglobulin or a part thereof; (c) a DNA sequence encoding a cytokine; and (d) a marker gene selectable in eukaryotic B cells and lacking a functional enhancer region wherein the expression of said marker following integration is controlled by the cellular C&mgr; or C&kgr; enhancer.
    • 根据本发明,提供了用于在恶性B细胞中表达免疫球蛋白 - 细胞因子融合蛋白的载体,其至少包含彼此可操作地连接(a)至少1.5kb的与mu区域同源的区域 内含子或κ内含子,其缺少功能性Cmu或Ckappa增强子或含有非功能性C82或Ckappa增强子;(b)至少一种编码免疫球蛋白或其部分的结构域的DNA序列;(c)DNA序列 编码细胞因子; 和(d)在真核B细胞中可选择的缺乏功能增强子区的标记基因,其中整合后所述标记的表达由细胞Cmu或Ckappa增强子控制。
    • 9. 发明授权
    • DNA
    • 脱氧核糖核酸
    • US06426199B1
    • 2002-07-30
    • US09386629
    • 1999-08-31
    • Andrew DarrowJenson QiPatricia Andrade-Grodon
    • Andrew DarrowJenson QiPatricia Andrade-Grodon
    • C12N1562
    • C12N9/6424A61K38/00
    • Here we describe the molecular identification of a cDNA encoding a novel serine protease we have termed protease C-E. The deduced amino acid sequence, and it alignment with other well-characterized serine proteases indicates that it is a member of the S1 serine protease family. We have found that the protease C-E mRNA is expressed in pancreas, placenta, prostate, small intestine, stomach, spleen, fibroblasts and epidermis, as well as in certain regions of the brain i.e., cerebellum, cerebral cortex, pituitary and hippocampus. Enzymatically active protease C-E, as produced using the methodologies described herein, is amenable to further biochemical analyses for the identification of physiological substrates and specific modulators.
    • 在这里,我们描述了编码我们称为蛋白酶C-E的新型丝氨酸蛋白酶的cDNA的分子鉴定。 推导的氨基酸序列,并与其他良好表征的丝氨酸蛋白酶的比对表明它是S1丝氨酸蛋白酶家族的成员。 我们发现蛋白酶C-E mRNA在胰腺,胎盘,前列腺,小肠,胃,脾脏,成纤维细胞和表皮以及脑的某些区域即小脑,大脑皮层,垂体和海马中表达。 使用本文所述的方法产生的酶活性蛋白酶C-E适用于鉴定生理底物和特异性调节剂的进一步的生物化学分析。