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    • 10. 发明申请
    • MUTANT HUMAN DEOXYCYTIDINE KINASE
    • MUTANT人类去氧霉素激酶
    • WO2016166171A1
    • 2016-10-20
    • PCT/EP2016/058137
    • 2016-04-13
    • CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEUNIVERSITÉ DE STRASBOURG
    • COULIBALY, SafiatouROSSOLILLO, PaolaNEGRONI, Matteo
    • C12N9/12
    • C12N9/1205A61K31/7068A61K38/45A61K48/00A61P31/12A61P35/00C12Q1/6897C12Y207/01073C12Y207/01074
    • The present invention concerns an isolated nucleic acid comprising a sequence encoding a mutant human deoxycytidine kinase (hdCK) capable of converting prodrugs, such as a nucleoside analogue, into cytotoxic drugs. The invention further refers to an isolated vector comprising said nucleic acid of the invention and an isolated host cell genetically engineered with said isolated vector. The invention also refers to a procedure for producing such polypeptides by recombinant techniques. The invention further refers to a pharmaceutical composition comprising an isolated nucleic acid, an expression vector, a host cell, or an isolated mutant hdCK of the invention. Their use as a medicament or their use as a medicament for the treatment of cancer or for the prevention of a viral infection is also part of the invention. The invention further refers to methods for utilizing such polypeptides for the treatment of malignancies and viral infections, methods of sensitizing cells to prodrugs, methods of gene therapy, methods of non-invasive nuclear imaging and methods of inhibiting pathogenic agents in a subject using said mutant hdCK.
    • 本发明涉及分离的核酸,其包含编码能够将前药如核苷类似物转化为细胞毒性药物的突变型人脱氧胞苷激酶(hdCK)的序列。 本发明还涉及包含本发明的所述核酸的分离的载体和用所述分离的载体进行遗传工程改造的分离的宿主细胞。 本发明还涉及通过重组技术产生此类多肽的方法。 本发明还涉及包含本发明的分离的核酸,表达载体,宿主细胞或分离的突变体hdCK的药物组合物。 它们作为药物的用途或其用作治疗癌症或用于预防病毒感染的药物的用途也是本发明的一部分。 本发明还涉及利用这些多肽来治疗恶性肿瘤和病毒感染的方法,使细胞对前药敏感的方法,基因治疗方法,非侵入性核成像方法以及使用所述突变体在受试者中抑制病原体的方法 hdCK。