ANTI-HUMAN NR1 ANTIBODY DERIVATIVE

The present invention addresses the problem of providing a novel therapeutic agent for treating patients with anti NMDAR encephalitis. Patients with an anti NMDAR encephalitis have a pathogenic anti-human NR1 antibody that induces internalization of NMDAR on cell surface. As a result, NMDAR function...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KANNO, Atsuo, MIHARA, Takuma, KUBO, Satoshi, KITO, Takuya, YAMAJUKU, Daisuke, MAEDA, Masashi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS SPIRITS VINEGAR WINE
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Beschreibung
Zusammenfassung:	The present invention addresses the problem of providing a novel therapeutic agent for treating patients with anti NMDAR encephalitis. Patients with an anti NMDAR encephalitis have a pathogenic anti-human NR1 antibody that induces internalization of NMDAR on cell surface. As a result, NMDAR function is weakened in the patients' brain. The present inventors found that the one-armed anti-human NR1 antibody according to the present invention binds to NRI competitively with the pathogenic anti-human NR1 antibody and inhibits the internalization of NMDAR by the pathogenic anti-human NR1 antibody to thereby exhibit therapeutic effect on anti NMDAR encephalitis. Accordingly, the present invention provides the a one-armed anti-human NR1 antibody, a polynucleotide encoding the antibody, an expression vector containing the polynucleotide, a host cell transformed by the expression vector, a method for producing the antibody, a pharmaceutical composition comprising the antibody, a use of the antibody in the manufacture of the pharmaceutical composition, and a method for treating anti NMDAR encephalitis using the antibody.