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    • 9. 发明公开
    • GALECTIN 9-INDUCING FACTOR
    • GALECTIN 9-INDUZIERENDER FAKTOR
    • EP1619203A1
    • 2006-01-25
    • EP04730110.6
    • 2004-04-28
    • Galpharma Co., Ltd.
    • HIRASHIMA, MitsuomiNISHI, NozomuYAMAUCHI, AkiraYOSHIDA, NaokoSEKI, Masako
    • C07K14/52C12N15/09A61K38/22A61P5/38A61P29/00A61P35/00A61P37/06A61P37/08
    • A61K38/1709C07K14/4726
    • It has been disclosed that Galectin 9, which is a physiologically active substance acting as a lectin, is expressed in various cells and a correlationship is observed between the expression level of galectin 9 and the metastatic ability of tumors. Therefore, it is presumed that galectin 9 would relate to various physiological phenomena. Thus, a substance allowing the control of galectin 9 production and release is expected as exerting an activity of inducing antitumor and/or anti-inflammatory actions, etc. Therefore, it is required to reveal the same. It has been found that a factor inducing the production and release of galectin 9, "galectin 9-inducing factor", is contained in a certain solubilized tumor cell membrane fraction. This factor can be obtained as a concanavalin A-adsorbed fraction and as a concentrated active fraction by fractionation with an ion exchange column packed with Resource Q@, a hydroxyapatite column, etc. Assay reagents, drugs, assays, etc. can be developed by using the galectin 9-inducing activity of this factor.
    • 已经公开了作为凝集素的生理活性物质的半乳凝素9在各种细胞中表达,并且在半乳凝素9的表达水平与肿瘤的转移能力之间观察到相关性。 因此,推测半乳凝素9与各种生理现象有关。 因此,预期能够控制半乳凝素9的产生和释放的物质具有诱导抗肿瘤和/或抗炎作用的活性等。因此,需要显示相同的物质。 已经发现,诱导半乳凝素9的产生和释放的因子“半乳凝素9诱导因子”被包含在某些溶解的肿瘤细胞膜级分中。 可以通过用填充有Resource Q @,羟基磷灰石柱等的离子交换柱进行分级,作为伴刀豆素A吸附级分和作为浓缩的活性级分获得该因子。可以通过以下方法开发测定试剂,药物,测定等: 使用该因子的半乳凝素9诱导活性。