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    • 4. 发明专利
    • DK1086137T3
    • 2008-10-27
    • DK00921181
    • 2000-04-19
    • UNIV NIJMEGEN
    • FIGDOR CARL GUSTAVTORENSMA RUURDGEIJTENBEEK TEUNIS BERNARD HERMANVAN KOOYK YVETTE
    • C07K16/28G01N33/53A61K31/7004A61K38/00A61K39/00A61K39/395A61K45/00A61P3/10A61P19/02A61P29/00A61P35/00A61P37/02A61P37/06A61P37/08C12N5/06C12N5/08G01N33/574G01N33/577
    • Use of a compound (I) that binds to a C-type lectin (II) on the surface of a dendritic cell (DC) for producing a composition for modulating (especially reducing) the immune response in an animal (particularly human or other mammal), provided that (II) is not the DEC-205 receptor. Independent claims are also included for the following: (1) an antibody (Ab), preferably monoclonal, directed against a C-type lectin (IIa) having a fully defined sequence of about 400 amino acids (given in the specification) or its natural variants, equivalents, parts, fragments or epitopes; (2) a pharmaceutical composition containing Ab and at least one carrier, excipient, adjuvant or auxiliary; (3) a combination of (I) attached to an antigen (Ag) or its fragment; (4) a method for producing, isolating and/or purifying DC from a biological sample or culture medium; and (5) DC prepared by method in (4). ACTIVITY : Immunosuppressant; immunostimulant; anti-allergic; antiviral; antitumor; antibacterial; antiprotozoal. MECHANISM OF ACTION : (I) mediates adhesion between DC and other cells by inhibiting interaction between (II) and (i) an ICAM (intracellular adhesion molecule) on T cells or (ii) gp 120 on HIV (human immune deficiency virus)-infected cells. A new (II), DC-SIGN, is not only involved in DC-T cell clumping but is also a major HIV receptor. Cells of the leukemia line K562 were transfected to express ICAM-3 and tested for binding to DC. Clumping between the cells was inhibited by antibodies directed against DC-SIGN, and DC-mediated T cell proliferation was then only about 1/3 of that in an antibody-free medium. The effect was greatly increased when anti-LFA3 antibodies were additionally present (practically no proliferation).
    • 7. 发明专利
    • AT398140T
    • 2008-07-15
    • AT00921181
    • 2000-04-19
    • UNIV NIJMEGEN
    • FIGDOR CARLGEIJTENBEEK TEUNISVAN KOOYK YVETTETORENSMA RUURD
    • C07K16/28G01N33/53A61K31/7004A61K38/00A61K39/00A61K39/395A61K45/00A61P3/10A61P19/02A61P29/00A61P35/00A61P37/02A61P37/06A61P37/08C12N5/06C12N5/08G01N33/574G01N33/577
    • Use of a compound (I) that binds to a C-type lectin (II) on the surface of a dendritic cell (DC) for producing a composition for modulating (especially reducing) the immune response in an animal (particularly human or other mammal), provided that (II) is not the DEC-205 receptor. Independent claims are also included for the following: (1) an antibody (Ab), preferably monoclonal, directed against a C-type lectin (IIa) having a fully defined sequence of about 400 amino acids (given in the specification) or its natural variants, equivalents, parts, fragments or epitopes; (2) a pharmaceutical composition containing Ab and at least one carrier, excipient, adjuvant or auxiliary; (3) a combination of (I) attached to an antigen (Ag) or its fragment; (4) a method for producing, isolating and/or purifying DC from a biological sample or culture medium; and (5) DC prepared by method in (4). ACTIVITY : Immunosuppressant; immunostimulant; anti-allergic; antiviral; antitumor; antibacterial; antiprotozoal. MECHANISM OF ACTION : (I) mediates adhesion between DC and other cells by inhibiting interaction between (II) and (i) an ICAM (intracellular adhesion molecule) on T cells or (ii) gp 120 on HIV (human immune deficiency virus)-infected cells. A new (II), DC-SIGN, is not only involved in DC-T cell clumping but is also a major HIV receptor. Cells of the leukemia line K562 were transfected to express ICAM-3 and tested for binding to DC. Clumping between the cells was inhibited by antibodies directed against DC-SIGN, and DC-mediated T cell proliferation was then only about 1/3 of that in an antibody-free medium. The effect was greatly increased when anti-LFA3 antibodies were additionally present (practically no proliferation).