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    • 5. 发明申请
    • Folate Antagonists Having Improved Selectivity
    • 叶酸拮抗剂改善选择性
    • US20070212690A1
    • 2007-09-13
    • US10577570
    • 2004-10-28
    • Jeffrey Partridge
    • Jeffrey Partridge
    • C12Q1/68C12Q1/26
    • C12Q1/527C12Q1/25G01N33/5008G01N33/574G01N33/6893G01N33/82G01N2500/00G01N2800/24
    • The present invention provides methods for identifying improved folate antagonists. The improved folate antagonists identified by the methods of the invention have increased selectivity. The increased selectivity of the folate antagonists results in a reduced risk of adverse effects following treatment with the improved folate antagonists. The improved folate antagonists are identified based on their reduced binding affinity for at least one enzyme selected from glutathione synthase, pyruvate carboxylase, propionyl-CoA carboxylase, biotin carboxylase, acetyl-CoA carboxylase, and methylcrotonyl-CoA carboxylase. According to the invention, folate antagonists having reduced affinity for at least one enzyme selected from this group of enzymes are selected for the treatment of neoplastic, hyperproliferative, and immune disorders.
    • 本发明提供用于鉴定改善的叶酸拮抗剂的方法。 通过本发明的方法鉴定的改善的叶酸拮抗剂具有增加的选择性。 叶酸拮抗剂的增加的选择性导致用改善的叶酸拮抗剂治疗后的不良反应的风险降低。 基于对至少一种选自谷胱甘肽合成酶,丙酮酸羧化酶,丙酰-CoA羧化酶,生物素羧化酶,乙酰辅酶A羧化酶和甲基色素-coA羧化酶的酶的结合亲和力降低,鉴定出改良的叶酸拮抗剂。 根据本发明,选择具有降低的对选自该组酶的至少一种酶的亲和力的叶酸拮抗剂用于治疗肿瘤,过度增殖和免疫疾病。