An antibody specifically recognizing Pseudomonas aeruginosa PcrV and its application

By developing antibodies that specifically recognize PcrV of Pseudomonas aeruginosa, the problem of antibiotic resistance of the bacteria was solved, and effective recognition and neutralization of Pseudomonas aeruginosa was achieved, with good protective effects.

CN118530352BActive Publication Date: 2025-03-25CHONGQING YUANLUN BIOTECH
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Patent Information

Application Number
CN202410581294.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-05-11
Publication Date
2025-03-25
Estimated Expiration
2044-05-11

AI Technical Summary

Technical Problem

Pseudomonas aeruginosa has natural or acquired resistance to many antibiotics, which leads to difficulties in clinical treatment, especially the emergence of multidrug-resistant and pan-resistant strains, posing challenges to early effective treatment and reducing the generation of drug-resistant strains.

Method used

An antibody specifically recognizes PcrV aeruginosa PcrV is developed to achieve efficient recognition and binding of PcrV through its specific amino acid sequences of its heavy and light chain variable regions, thereby neutralizing the toxicity of Pseudomonas aeruginosa.

Benefits of technology

This antibody can specifically bind to PcrV antigen, neutralize the hemolysis of red blood cells caused by Pseudomonas aeruginosa, resist systemic invasion of Pseudomonas aeruginosa, and has a good protective effect on infection of Pseudomonas aeruginosa strain.

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Abstract

The present invention discloses an antibody that specifically recognizes Pseudomonas aeruginosa PcrV and its application. The antibody that recognizes Pseudomonas aeruginosa PcrV provided by the present invention can specifically bind to the PcrV antigen, and the antibody has a protective effect on Pseudomonas aeruginosa strains, can neutralize hemolysis of red blood cells caused by Pseudomonas aeruginosa, resist systemic invasion of PcrV, has a good protective effect on infection of Pseudomonas aeruginosa strains, and has broad application prospects.
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