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    • 3. 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。
    • 5. 发明授权
    • Output inverter for single phase and output current detecting method thereof
    • 单相输出逆变器及其输出电流检测方法
    • US08547714B2
    • 2013-10-01
    • US12161066
    • 2006-12-25
    • Masato Higuchi
    • Masato Higuchi
    • H02H7/122H02H9/02
    • H02M7/53871H02M7/5387H02M2001/0009
    • There are provided an output inverter for single phase which can detect a current with high precision through a smaller number of components, and an output current detecting method thereof. A first current detector (6) is disposed between a positive electrode P side of a DC power supply and a parallel connector (1) in a first arm (8), a second current detector (7) is disposed between a negative electrode N side of the DC power supply and a parallel connector (4) in a second arm (9), a current in a first convection mode is detected by the first current detector (6), a current in a second convection mode is detected by the second current detector (7), and an output current is detected from signals output from the first current detector (6) and the second current detector (7).
    • 提供了一种用于单相的输出反相器,其可以通过较少数量的部件以高精度检测电流,以及其输出电流检测方法。 第一电流检测器(6)设置在直流电源的正电极P侧和第一臂(8)中的并联连接器(1)之间,第二电流检测器(7)设置在负极N侧 的直流电源和第二臂(9)中的并联连接器(4),由第一电流检测器(6)检测第一对流模式的电流,第二对流模式中的电流被第二对流模式 电流检测器(7),并且从从第一电流检测器(6)和第二电流检测器(7)输出的信号检测输出电流。
    • 9. 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。
    • 10. 发明授权
    • Thrombocytopoiesis stimulating factor
    • 血小板生成刺激因子
    • US5856444A
    • 1999-01-05
    • US849073
    • 1997-07-18
    • Makoto KawakitaHiromitsu MatsuzakiKiyoshi TakatsukiKazushi ShibuyaMasato Higuchi
    • Makoto KawakitaHiromitsu MatsuzakiKiyoshi TakatsukiKazushi ShibuyaMasato Higuchi
    • A61K38/00C07K14/475C07K14/52C07K1/18
    • C07K14/475C07K14/524A61K38/00
    • An object of the present invention is to provide a physiologically active substance having activity in acting on the megakaryocyte-platelet system, in promoting the differentiation and maturation of megakaryocytes, and in promoting the formation of platelets. The present invention relates to a thrombocytopoiesis stimulating factor, characterized in having the following amino acid sequence in its molecule, and to a medicinal composition for treating thrombocytopenia, characterized in containing thrombocytopoiesis stimulating factor as an active component: Xaa Gly Asn Asn Asp Glu Ser Asn Ile Ser Phe Lys Glu Lys Asp Ile (where Xaa indicates that the amino acid is unspecified). The physiologically active substance is useful as an active component or the like in therapeutics and preventives for thrombocytopenia and thrombocytopenic purpura associated with chemotherapy and marrow grafts, and for various other diseases which are prone to bleeding attributed to thrombocytopenia.
    • PCT No.PCT / JP95 / 04226 Sec。 371日期1997年7月18日 102(e)日期1997年7月18日PCT提交1995年11月30日PCT公布。 公开号WO96 / 16987 日本6月6日,本发明的目的是提供一种在巨核细胞 - 血小板系统上具有活性的生理活性物质,促进巨核细胞的分化和成熟,促进血小板的形成。 本发明涉及一种血小板生成刺激因子,其特征在于在其分子中具有以下氨基酸序列,以及用于治疗血小板减少症的药物组合物,其特征在于含有血小板生成刺激因子作为活性成分:Xaa Gly Asn Asn Asp Glu Ser Asn Ile Ser Phe Lys Glu Lys Asp Ile(其中Xaa表示氨基酸未被指定)。 生理活性物质可用作与化学疗法和骨髓移植物相关的血小板减少症和血小板减少性紫癜的治疗剂和预防剂以及易于因血小板减少症引起的出血的各种其它疾病的活性成分等。