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    • 7. 发明授权
    • Retinoic acid receptor composition
    • 视黄酸受体组成
    • US5171671A
    • 1992-12-15
    • US546256
    • 1990-08-06
    • Ronald M. EvansEstelita S. OngPrudimar S. SeguiCatherine C. ThompsonKazuhiko UemsonoVincent Giguere
    • Ronald M. EvansEstelita S. OngPrudimar S. SeguiCatherine C. ThompsonKazuhiko UemsonoVincent Giguere
    • C07K14/705C12N15/12C12N15/62C12Q1/68
    • C07K14/70567C12N15/62C12Q1/6897C07K2319/00C07K2319/61C07K2319/715C07K2319/81
    • A novel retinoic acid receptor is disclosed. The novel receptor is encoded for by cDNA carried on plasmid phRAR1, which has been deposited with the American Type Culture Collection for patent purposes. Chimeric receptor proteins are also disclosed. The chimera are constructed by exchanging functional domains between the glucocorticoid, the mineralocorticoid, the estrogen-related, the thyroid and the retinoic acid receptors. In addition, a novel method for identifying functional ligands for receptor proteins is disclosed. The method, which takes advantage of the modular structure of the hormone receptors and the idea that the functional domains may be interchangeable, replaces the DNA-binding domain of a putative novel receptor with the DNA-binding domain of a known receptor such as the glucocorticoid receptor. The resulting chimeric construction, when expressed in cells, produces a hybrid receptor whose activation of a ligand-(e.g., glucocorticoid) inducible promoter is dependent on the presence of the new ligand. The novel method is illustrated in part by showing that the ligand for the new receptor protein is the retinoid, retinoic acid.
    • 公开了一种新型视黄酸受体。 新型受体由携带在质粒phRAR1上的cDNA编码,其已经保藏在美国典型培养物保藏中心用于专利。 还公开了嵌合受体蛋白。 通过在糖皮质激素,盐皮质激素,雌激素相关,甲状腺和视黄酸受体之间交换功能结构来构建嵌合体。 另外,公开了用于鉴定受体蛋白质的功能性配体的新方法。 利用激素受体的模块化结构的方法和功能域可以互换的想法将已知受体的DNA结合结构域(例如糖皮质激素)替代推定的新受体的DNA结合结构域 受体。 当在细胞中表达时,产生的嵌合构型产生杂合受体,其配体(例如,糖皮质激素)诱导型启动子的活化取决于新配体的存在。 该新方法部分地通过显示新受体蛋白质的配体是类视黄醇,视黄酸来说明。
    • 10. 发明授权
    • Hormone receptor compositions and methods
    • 激素受体组合物和方法
    • US06806359B1
    • 2004-10-19
    • US08464574
    • 1995-06-05
    • Ronald M. EvansCary A. WeinbergerStanley M. HollenbergVincent GiguereJeffrey ArrizaCatherine C. ThompsonEstelita S. Ong
    • Ronald M. EvansCary A. WeinbergerStanley M. HollenbergVincent GiguereJeffrey ArrizaCatherine C. ThompsonEstelita S. Ong
    • C12N1512
    • C12Q1/6897C07K14/721C07K14/723C12N15/67
    • The present invention provides substantially pure DNA's comprised of sequences which encode proteins having the hormone-binding and/or transcription-activating characteristics of a glucocorticoid receptor, a mineralocorticoid receptor, or a thyroid hormone receptor. The invention also provides various plasmids containing receptor sequences which exemplify the DNA's of the invention. The invention further provides receptor proteins, including modified functional forms thereof, expressed from the DNA's (or mRNA's) of the invention. In addition to novel receptor DNA, RNA and protein compositions, the present invention involves a bioassay for determining the functionality of a receptor protein. By using our bioassay system we have discovered that a necessary and sufficient condition for activation of transcription of a gene (G), whose transcription is activated by hormones complexed with receptors, is the presence of the hormone and its receptor in the cell (C) where (G) is located. As a result of that discovery we have also invented new methods for producing desired proteins in genetically engineered cells. Two of these methods are methods of the present invention. The first is a method for inducing transcription of a gene whose transcription is activated by hormones complexed with the receptors. The second is a method for engineering a cell and increasing and controlling production of a protein encoded by a gene whose transcription is activated by hormones complexed with receptor proteins.
    • 本发明提供基本上纯的DNA,其由编码具有糖皮质激素受体,盐皮质激素受体或甲状腺激素受体的激素结合和/或转录激活特征的蛋白质的序列组成; 含有例证这些DNA的受体序列的各种质粒; 受体蛋白,包括其修饰的功能形式,由DNA(或mRNA)表达; 以及用于测定受体蛋白质功能的生物测定。 这种生物测定的使用已经导致发现,用于激活基因(G)的转录的必需和充分条件(G),其转录由与受体复合的激素激活,是激素及其受体细胞(C)的存在,其中 (G)位于。 因此,发现了两种在遗传工程细胞中产生所需蛋白质的新方法。