Computational analysis, design and expression of hybrid antibody in Single Chain Fragment Variable (scFv) form for identifying surface antigen factor H binding protein (fHbp) of Neisseria meningitidis

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Khajavi Marjan; YARIAN FATEMEH; Ahangarzadeh Shahrzad; BANDEHPOUR MOJGAN; MOHAMMADPOUR MOHSEN; JALALI AKRAM

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Journal: Medical Sciences Journal of Islamic Azad University,Tehran Medical Branch Year:621 | Volume: | Issue: Page(s): 50-58

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Title

Computational analysis, design and expression of hybrid antibody in Single Chain Fragment Variable (scFv) form for identifying surface antigen factor H binding protein (fHbp) of Neisseria meningitidis

Author(s)

Keywords

Hybrid single chain fragment antibody

Neisseria meningitidis

Factor H binding protein (fHbp)

Cloning

Expression.

Abstract

Background: Meningococcal disease is an acute disease caused by the bacterium Neisseria meningitidis. The factor H binding protein (fHbp) virulence factor plays a vital role in the survival of the pathogen in the host. Single Chain Fragment Variable (scFv) antibodies are used for therapeutic and diagnostic applications. Utilizing computational study, Design, Expression.and affinity analysis of hybrid scFv for detecting the N. meningitidis were the main goals of this study. Materials and methods: In this study, by performing a series of computational analysis (Antibody and Antigen modeling and Antigen-Antibody Docking), a hybrid antibody designed. The designed antibody has a high affinity to the fHbp protein. The hybrid antibody’, s nucleotide was synthesized in the Expression.vector pET28(+a). Afterward, the protein Expression.in BL21 bacteria was considered. Subsequently, the protein purification was completed using Ni-NTA resin. Finally, its affinity to fHbp protein was checked using ELISA. Results: VH1-VL2 form of hybrid antibody was selected with computational analysis. The SDS-PAGE and western blotting techniques were approved the expressed hybrid antibody. After purification of scFv and fHbp protein, in ELISA studies, the affinity of this scFv 7. 6×10-9M was calculated. Conclusion: Based on the hybrid antibody’, s proper affinity and utilizing antibody engineering and computational analysis, other forms of single-chain antibodies can be produced. These products can be used for therapeutic and diagnostic purposes, as the appropriate hybrid affinity of the scFv.

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APA: Copy

Khajavi, Marjan, YARIAN, FATEMEH, Ahangarzadeh, Shahrzad, BANDEHPOUR, MOJGAN, MOHAMMADPOUR, MOHSEN, & JALALI, AKRAM. (2023). Computational analysis, design and expression of hybrid antibody in Single Chain Fragment Variable (scFv) form for identifying surface antigen factor H binding protein (fHbp) of Neisseria meningitidis. MEDICAL SCIENCES JOURNAL OF ISLAMIC AZAD UNIVERSITY, 33(1 ), 50-58. SID. https://sid.ir/paper/1131279/en

Vancouver: Copy

Khajavi Marjan, YARIAN FATEMEH, Ahangarzadeh Shahrzad, BANDEHPOUR MOJGAN, MOHAMMADPOUR MOHSEN, JALALI AKRAM. Computational analysis, design and expression of hybrid antibody in Single Chain Fragment Variable (scFv) form for identifying surface antigen factor H binding protein (fHbp) of Neisseria meningitidis. MEDICAL SCIENCES JOURNAL OF ISLAMIC AZAD UNIVERSITY[Internet]. 2023;33(1 ):50-58. Available from: https://sid.ir/paper/1131279/en

IEEE: Copy

Marjan Khajavi, FATEMEH YARIAN, Shahrzad Ahangarzadeh, MOJGAN BANDEHPOUR, MOHSEN MOHAMMADPOUR, and AKRAM JALALI, “Computational analysis, design and expression of hybrid antibody in Single Chain Fragment Variable (scFv) form for identifying surface antigen factor H binding protein (fHbp) of Neisseria meningitidis,” MEDICAL SCIENCES JOURNAL OF ISLAMIC AZAD UNIVERSITY, vol. 33, no. 1 , pp. 50–58, 2023, [Online]. Available: https://sid.ir/paper/1131279/en

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