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    • 1. 发明授权
    • Pharmaceutical composition for treatment of hepatic diseases
    • 用于治疗肝病的药物组合物
    • US06268336B1
    • 2001-07-31
    • US09202614
    • 1998-12-18
    • Yoshiro NiitsuJunji KatoMasato Higuchi
    • Yoshiro NiitsuJunji KatoMasato Higuchi
    • A61K3816
    • A61K38/1816
    • The present invention relates to a pharmaceutical composition for treatment of hepatic diseases which comprises erythropoietin as an active ingredient to reduce excess iron ions in the liver of a mammal with hepatic diseases, thus improving hepatic functions of said mammal. According to the present pharmaceutical composition with erythropoietin as an active ingredient, excess iron ions in the liver of a mammal with hepatic diseases can be decreased, so it is effective for treatment of chronic hepatitis, hepatic carcinoma, hepatocirrhosis etc. due to excess iron ions. Further, patient's anemia accompanying venesection can be prevented while excretion of excess iron ions can be promoted by using the venesection therapy in combination with the administration of said pharmaceutical composition. Furthermore, the pharmaceutical composition of the present invention is administered into a patient with chronic hepatitis C for whom IFN therapy is not effective to improve hepatic functions after which conventional IFN therapy is conducted whereby its therapeutic effect on said hepatitis can be expected.
    • 本发明涉及一种用于治疗肝病的药物组合物,其包含红细胞生成素作为活性成分,以减少具有肝脏疾病的哺乳动物肝脏中过量的铁离子,从而改善所述哺乳动物的肝功能。 根据本发明的具有红细胞生成素作为活性成分的药物组合物,可以减少具有肝脏疾病的哺乳动物肝脏中的过量铁离子,因此由于过量的铁离子对治疗慢性肝炎,肝癌,肝硬化等有效 。 此外,通过与所述药物组合物的给药相结合,可以通过使用Venesection治疗来促进排泄过量铁离子,同时可以预防患有血液循环的贫血。 此外,将本发明的药物组合物施用于慢性丙型肝炎患者,其中IFN治疗对于改善肝功能无效,之后进行常规IFN治疗,从而可以预期其对所述肝炎的治疗效果。
    • 4. 发明申请
    • Method For Removing Sialic Acid and Method For Producing Asialoerythropoietin
    • 去除唾液酸的方法和生产Asialo促红细胞生成素的方法
    • US20090005540A1
    • 2009-01-01
    • US12087945
    • 2007-01-18
    • Masato Higuchi
    • Masato Higuchi
    • C07K14/00C07H1/06
    • C07K14/505
    • The object is to provide a method for removing a sialic acid that can be carried out simply at a low cost and a method for producing asialoerythropoietin using the same. The method for removing a sialic acid according to the present invention includes an acidifying and heating process of acidifying and heating a solution containing erythropoietin so as to remove a sialic acid bonded to an erythropoietin molecule. Further, the method for producing asialoerythropoietin according to the present invention includes a sialic acid removing process of removing a sialic acid bonded to an erythropoietin molecule by the method for removing a sialic acid according to the present invention.
    • 本发明的目的是提供一种可以简单地以低成本除去唾液酸的方法,以及使用该方法制备唾液促红细胞生成素的方法。 根据本发明的除去唾液酸的方法包括酸化和加热含有促红细胞生成素的溶液的酸化和加热方法,以除去与红细胞生成素分子结合的唾液酸。 此外,本发明的唾液酸促生成素的制造方法包括通过本发明的除去唾液酸的方法除去与红细胞生成素分子结合的唾液酸的唾液酸去除方法。