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    • 3. 发明授权
    • DNA encoding Fas ligand
    • 编码Fas配体的DNA
    • US06348334B1
    • 2002-02-19
    • US08339214
    • 1994-11-10
    • Shigekazu NagataTakashi SudaTomohiro TakahashiNorio Nakamura
    • Shigekazu NagataTakashi SudaTomohiro TakahashiNorio Nakamura
    • C07H2104
    • C07K14/70575C07K2319/00
    • This invention provides a novel polypeptide useful in the field of medicines, a novel DNA which encodes the novel polypeptide, a recombinant DNA molecule which contains the novel DNA, a transformant transformed with the novel DNA or the recombinant DNA molecule, a process for the purification of the novel polypeptide, a process for the production of the novel polypeptide, an antibody which recognize the novel polypeptide, an oligonucleotide complementary to the novel DNA and a novel screening method. Particularly this invention provides a novel polypeptide which is Fas ligand or a fragment thereof. This novel polypeptide can be used as an effective ingredient of a medicament for regulating the apoptosis in a living body. This novel polypeptide is obtained by identifying a DNA fragment which encodes the novel polpeptide, transforming a desired host with a recombinant DNA molecule which contains the DNA fragment and purifying the novel polypeptide produced by the resulting transformant. This novel polypeptide has a cytoplasmic domain, a transmembrane domain and extracellular domain and takes part in apoptosis.
    • 本发明提供了可用于药物领域的新型多肽,编码新型多肽的新型DNA,含有新DNA的重组DNA分子,用新型DNA或重组DNA分子转化的转化体,纯化方法 的新型多肽的生产方法,识别新多肽的抗体,与新DNA互补的寡核苷酸和新的筛选方法。 特别地,本发明提供了一种新的多肽,其是Fas配体或其片段。 这种新型多肽可以用作调节活体细胞凋亡的药物的有效成分。 通过鉴定编码新型多肽的DNA片段,通过含有该DNA片段的重组DNA分子转化所需宿主并纯化得到的转化体产生的新型多肽来获得该新型多肽。 该新型多肽具有胞质结构域,跨膜结构域和细胞外结构域,并参与细胞凋亡。
    • 4. 发明授权
    • Fas antigen derivative
    • Fas抗原衍生物
    • US06953847B2
    • 2005-10-11
    • US09949713
    • 2001-09-12
    • Norio NakamuraShigekazu Nagata
    • Norio NakamuraShigekazu Nagata
    • A61K38/00A61P37/00C07K14/705C12N1/21C12N15/12C07H21/04
    • C07K14/70578A61K38/00
    • This invention provides a novel Fas antigen derivative which comprises at least a part or entire portion of Fas antigen extracellular region polypeptide in which at least one amino acid residue is deleted from a group of amino acid residues starting from the N-terminal amino acid residue of the Fas antigen polypeptide to a cysteine residue most close to the N-terminal side (excluding said cysteine residue), as well as a DNA fragment which encodes said Fas antigen derivative, a recombinant DNA molecule which contains said DNA sequence, a transformant in which said recombinant DNA molecule is introduced, a method for the production of said Fas antigen derivative, a medicament which contains said novel Fas antigen derivative as the active ingredient and a method for the improvement of activities and functions of Fas antigen and the like.
    • 本发明提供了一种新的Fas抗原衍生物,其包含Fas抗原细胞外区域多肽的至少一部分或全部部分,其中至少一个氨基酸残基从氨基酸残基组中缺失,氨基酸残基从N末端氨基酸残基开始 Fas抗原多肽与最接近N端侧的半胱氨酸残基(不包括所述半胱氨酸残基),以及编码所述Fas抗原衍生物的DNA片段,含有所述DNA序列的重组DNA分子,转化体 引入所述重组DNA分子,产生所述Fas抗原衍生物的方法,含有所述新型Fas抗原衍生物作为活性成分的药物以及改善Fas抗原等的活性和功能的方法。
    • 9. 发明申请
    • Removal promoters and inhibitor for apoptosis cells in vivo
    • 体内去除启动子和凋亡细胞抑制剂
    • US20100196378A1
    • 2010-08-05
    • US12585997
    • 2009-09-30
    • Shigekazu Nagata
    • Shigekazu Nagata
    • A61K39/395A61P35/00
    • C07K14/705A61K38/00
    • The present invention is to provide a removal promoter for apoptotic cells which is capable of immediately removing apoptotic cells in vivo by macrophages, or a removal inhibitor which inhibits the removal of apoptotic cells in vivo by macrophages. A removal promoter for apoptotic cells in vivo containing the milk fat globule-EGF factor 8-L (MFG-E8-L), MFG-E8-L mutant having removal promotion action for apoptotic cells in vivo by macrophages, or preferably a recombinant human or mouse MFG-E8-L, or a recombinant human or mouse MFG-E8-L mutant as an active ingredient is prepared. Such removal promoters specifically bind to apoptotic cells and promote the phagocytosis of apoptotic cells by macrophages by recognizing aminophospholipids such as phosphatidylserine exposed on apoptotic cell surface. On the other hand, a point mutation (D89E) MFG-E8-L mutant is used as a removal inhibitor.
    • 本发明提供一种能够通过巨噬细胞在体内立即去除凋亡细胞的凋亡细胞去除启动子,或抑制巨噬细胞在体内去除凋亡细胞的去除抑制剂。 含有乳脂肪球-EGF因子8-L(MFG-E8-L),具有由巨噬细胞体内凋亡细胞去除促进作用的MFG-E8-L突变体的凋亡细胞去除启动子,或优选重组人 或小鼠MFG-E8-L,或重组人或小鼠MFG-E8-L突变体作为活性成分。 这种去除启动子特异性结合凋亡细胞,通过识别暴露于凋亡细胞表面的磷脂酰丝氨酸等氨基磷脂,促进巨噬细胞吞噬细胞凋亡。 另一方面,使用点突变(D89E)MFG-E8-L突变体作为去除抑制剂。