Targeted immunosuppressant TCABCD59 for preventing and treating infectious inflammation

The invention discloses a targeted complement inhibitor fusion protein C3d-ScFv-CD59 of a single-chain antibody of a human anti-complement C3d molecule and a complement inhibitor CD59. The fusion protein has excellent antigen binding activity, and in-vitro inhibition experiments show that C3d-ScFv-C...

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Hauptverfasser: LIANG YUAN, GUO WEIGUANG, LI LIZHONG, DONG HAO, SONG HONGBIN, ZHAO JIANGYUN, BAI XUANYANG, JIA LEILI, ZHAO XINPING
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creator LIANG YUAN
GUO WEIGUANG
LI LIZHONG
DONG HAO
SONG HONGBIN
ZHAO JIANGYUN
BAI XUANYANG
JIA LEILI
ZHAO XINPING
description The invention discloses a targeted complement inhibitor fusion protein C3d-ScFv-CD59 of a single-chain antibody of a human anti-complement C3d molecule and a complement inhibitor CD59. The fusion protein has excellent antigen binding activity, and in-vitro inhibition experiments show that C3d-ScFv-CD59 has a more obvious inhibition effect corresponding to a single effector molecule CD59, and the effect is realized by identifying that the C3d component in a complement activation region plays a complement inhibition role. The C3d-ScFv-CD59 is used for treating influenza/bacteria co-infected mice, the survival rate is obviously increased, lung lesions are obviously relieved, the targeted complement inhibition effect is obvious, and the C3d-ScFv-CD59 has an obvious treatment effect compared with the single effector molecule CD59, and it proves that the fusion protein provided by the invention has an excellent application prospect in preparation of drugs for treating influenza virus and bacteria co-infected pneumo
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language chi ; eng
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subjects BEER
BIOCHEMISTRY
CHEMISTRY
COMPOSITIONS THEREOF
CULTURE MEDIA
ENZYMOLOGY
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
MICROBIOLOGY
MICROORGANISMS OR ENZYMES
MUTATION OR GENETIC ENGINEERING
ORGANIC CHEMISTRY
PEPTIDES
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
SPIRITS
VINEGAR
WINE
title Targeted immunosuppressant TCABCD59 for preventing and treating infectious inflammation
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