In silico Design of Multi-epitope Vaccines Targeting Iron-regulated lipoproteins of Staphylococcus aureus Using Immunoinformactics

Eun Hwan Bae, Minhye Shin

doi:10.4167/jbv.2022.52.4.170

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2022 Vol.52, Issue 4 Preview Page Next Page

Original Article

In silico Design of Multi-epitope Vaccines Targeting Iron-regulated lipoproteins of Staphylococcus aureus Using Immunoinformactics

31 December 2022. pp. 170-183

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Abstract

Staphylococcus aureus (S. aureus) is one of the dangerous pathogens involved in serious infections with high risk for morbidity and mortality. Development of effective vaccines against S. aureus strains is urgently needed, but successful vaccines are not available yet. In this study, we designed five types of multi-epitope vaccine constructs, targeting lipoproteins associated bacterial iron metabolism, which are IsdE, SstD, SirA, HtsA, and SitC. Using immunoinformatic approaches, we selected various sequences as potent B cell and T cell epitopes and constructed virtual vaccines with linkers and N-terminal adjuvants. The vaccine constructs were evaluated and compared with respect to their physicochemical and structural properties as well as immunologic and allergenic profiles. Immune simulation studies showed the vaccines would increase immune cell populations and antibody and cytokine responses. The vaccine constructs had similar physicochemical and immunological characteristics, while specific constructs showed distinct immune- stimulatory properties. With a further investigation of the vaccine constructs on in vivo host testings, the newly designed S. aureus iron-regulated lipoprotein vaccines would help us to prevent S. aureus infection with greater efficacy and better safety.

Keywords

Staphylococcus aureus

Iron-regulated lipoproteins

Immunoinformatics

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Information

Publisher :The Korean Society for Microbiology
Publisher(Ko) :대한미생물학회
Journal Title :JOURNAL OF BACTERIOLOGY AND VIROLOGY
Volume : 52
No :4
Pages :170-183
Received Date :2022. 12. 26
Revised Date :2022. 12. 28
Accepted Date : 2022. 12. 29
DOI :https://doi.org/10.4167/jbv.2022.52.4.170

JOURNAL OF BACTERIOLOGY AND VIROLOGY ISSN:1598-2467(Print) 2093-0429(Online)

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