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    • 2. 发明申请
    • COMPOUNDS, KITS AND METHODS FOR CONFERRING CYTOPROTECTION
    • 化合物,作用和方法进行细胞周期调控
    • WO2007144679A3
    • 2009-06-18
    • PCT/HU2007000055
    • 2007-06-14
    • UNIV DEBRECENNAGY LASZLOSZATMARI ISTVAN
    • NAGY LASZLOSZATMARI ISTVAN
    • A61K45/06A61P35/00
    • A61K45/06A61K49/0021
    • ABCG2, a member of the ATP-Binding Cassette transporters has been identified as a protective pump against endogenous and exogenous toxic agents. ABCG2 was shown to be expressed at high levels in stem cells, and variably regulated during cell differentation. It is demonstrated herein that functional ABCG2 is expressed in human monocyte-derived dendritic cells by the activation of a nuclear hormone receptor, PPARg. The present results uncovered a mechanism by which up-regulation of functional ABCG2 expression can be achieved via exogenous or endogenous activation of the lipid activated transcription factor, PPARg. Thus the invention relates to combined treatments by PPARg agonists and cytotoxic drugs transportable by ABCG2, various treatments in the field of neoplastic diseases as well as cell therapy, including autologous cell therapy, as well as kits and composition therefor. Method for protecting cells against cytotoxic drugs are also provided.
    • ABCG2是ATP结合盒转运蛋白的成员,已被确定为针对内源性和外源性毒性物质的保护性泵。 显示ABCG2在干细胞中以高水平表达,并且在细胞分化期间可变地调节。 本文证明功能性ABCG2通过激活核激素受体PPARg在人单核细胞衍生的树突状细胞中表达。 本研究结果揭示了通过脂质激活转录因子PPARg的外源或内源激活可以实现功能性ABCG2表达上调的机制。 因此,本发明涉及PPARg激动剂和可通过ABCG2运输的细胞毒性药物,肿瘤疾病领域的各种治疗以及包括自体细胞治疗在内的细胞治疗以及试剂盒及其组合物的组合治疗。 还提供了用于保护细胞免受细胞毒性药物的方法。