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Author:

Aiman, Sara (Aiman, Sara.) | Ahmad, Abbas (Ahmad, Abbas.) | Khan, Azmat Ali (Khan, Azmat Ali.) | Alanazi, Amer M. (Alanazi, Amer M..) | Samad, Abdus (Samad, Abdus.) | Ali, Syed Luqman (Ali, Syed Luqman.) | Li, Chunhua (Li, Chunhua.) | Ren, Zhiguang (Ren, Zhiguang.) | Khan, Asifullah (Khan, Asifullah.) | Khattak, Saadullah (Khattak, Saadullah.)

Indexed by:

Scopus SCIE

Abstract:

Leishmania tropica is a vector-borne parasitic protozoa that is the leading cause of leishmaniasis throughout the global tropics and subtropics. L. tropica is a multidrug-resistant parasite with a diverse set of serological, biochemical, and genomic features. There are currently no particular vaccines available to combat leishmaniasis. The present study prioritized potential vaccine candidate proteins of L. tropica using subtractive proteomics and vaccinomics approaches. These vaccine candidate proteins were downstream analyzed to predict B- and T-cell epitopes based on high antigenicity, non-allergenic, and non-toxic characteristics. The top-ranked overlapping MHC-I, MHC-II, and linear B-cell epitopes were prioritized for model vaccine designing. The lead epitopes were linked together by suitable linker sequences to design multi-epitope constructs. Immunogenic adjuvant sequences were incorporated at the N-terminus of the model vaccine constructs to enhance their immunological potential. Among different combinations of constructs, four vaccine designs were selected based on their physicochemical and immunological features. The tertiary structure models of the designed vaccine constructs were predicted and verified. The molecular docking and molecular dynamic (MD) simulation analyses indicated that the vaccine design V1 demonstrated robust and stable molecular interactions with toll-like receptor 4 (TLR4). The top-ranked vaccine construct model-IV demonstrated significant expressive capability in the E. coli expression system during in-silico restriction cloning analysis. The results of the present study are intriguing; nevertheless, experimental bioassays are required to validate the efficacy of the predicted model chimeric vaccine.

Keyword:

reverse vaccinology multi-epitope vaccine design immunoinformatics vaccine design tropical diseases leishmaniasis

Author Community:

  • [ 1 ] [Aiman, Sara]Beijing Univ Technol, Fac Environm & Life Sci, Beijing, Peoples R China
  • [ 2 ] [Li, Chunhua]Beijing Univ Technol, Fac Environm & Life Sci, Beijing, Peoples R China
  • [ 3 ] [Ahmad, Abbas]Abdul Wali Khan Univ Mardan, Dept Biotechnol, Mardan, Pakistan
  • [ 4 ] [Khan, Azmat Ali]King Saud Univ, Coll Pharm, Dept Pharmaceut Chem, Pharmaceut Biotechnol Lab, Riyadh, Saudi Arabia
  • [ 5 ] [Alanazi, Amer M.]King Saud Univ, Coll Pharm, Dept Pharmaceut Chem, Pharmaceut Biotechnol Lab, Riyadh, Saudi Arabia
  • [ 6 ] [Samad, Abdus]Abdul Wali Khan Univ Mardan AWKUM, Dept Biochem, Mardan, Pakistan
  • [ 7 ] [Ali, Syed Luqman]Abdul Wali Khan Univ Mardan AWKUM, Dept Biochem, Mardan, Pakistan
  • [ 8 ] [Khan, Asifullah]Abdul Wali Khan Univ Mardan AWKUM, Dept Biochem, Mardan, Pakistan
  • [ 9 ] [Ren, Zhiguang]Henan Univ, Affiliated Hosp 1, Kaifeng, Peoples R China
  • [ 10 ] [Khattak, Saadullah]Henan Univ, Sch Basic Med Sci, Henan Int Joint Lab Nucl Prot Regulat, Kaifeng, Henan, Peoples R China

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Source :

FRONTIERS IN IMMUNOLOGY

ISSN: 1664-3224

Year: 2023

Volume: 14

7 . 3 0 0

JCR@2022

ESI Discipline: IMMUNOLOGY;

ESI HC Threshold:17

Cited Count:

WoS CC Cited Count: 14

SCOPUS Cited Count: 16

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 10

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