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Peptide vaccine against chikungunya virus: immuno-informatics combined with molecular docking approach.


ABSTRACT:

Background

Chikungunya virus (CHIKV), causes massive outbreaks of chikungunya infection in several regions of Asia, Africa and Central/South America. Being positive sense RNA virus, CHIKV replication within the host resulting in its genome mutation and led to difficulties in creation of vaccine, drugs and treatment strategies. Vector control strategy has been a gold standard to combat spreading of CHIKV infection, but to eradicate a species from the face of earth is not an easy task. Therefore, alongside vector control, there is a dire need to prevent the infection through vaccine as well as through antiviral strategies.

Methods

This study was designed to find out conserved B cell and T cell epitopes of CHIKV structural proteins through immuno-informatics and computational approaches, which may play an important role in evoking the immune responses against CHIKV.

Results

Several conserved cytotoxic T-lymphocyte epitopes, linear and conformational B cell epitopes were predicted for CHIKV structural polyprotein and their antigenicity was calculated. Among B-cell epitopes "PPFGAGRPGQFGDI" showed a high antigenicity score and it may be highly immunogenic. In case of T cell epitopes, MHC class I peptides 'TAECKDKNL' and MHC class II peptides 'VRYKCNCGG' were found extremely antigenic.

Conclusion

The study led to the discovery of various epitopes, conserved among various strains belonging to different countries. The potential antigenic epitopes can be successfully utilized in designing novel vaccines for combating and eradication of CHIKV disease.

SUBMITTER: Tahir Ul Qamar M 

PROVIDER: S-EPMC6204282 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature

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Peptide vaccine against chikungunya virus: immuno-informatics combined with molecular docking approach.

Tahir Ul Qamar Muhammad M   Bari Amna A   Adeel Muhammad Muzammal MM   Maryam Arooma A   Ashfaq Usman Ali UA   Du Xiaoyong X   Muneer Iqra I   Ahmad Hafiz Ishfaq HI   Ahmad Hafiz Ishfaq HI   Wang Jia J  

Journal of translational medicine 20181027 1


<h4>Background</h4>Chikungunya virus (CHIKV), causes massive outbreaks of chikungunya infection in several regions of Asia, Africa and Central/South America. Being positive sense RNA virus, CHIKV replication within the host resulting in its genome mutation and led to difficulties in creation of vaccine, drugs and treatment strategies. Vector control strategy has been a gold standard to combat spreading of CHIKV infection, but to eradicate a species from the face of earth is not an easy task. The  ...[more]

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