PMID- 37245745 OWN - NLM STAT- MEDLINE DCOM- 20230717 LR - 20230718 IS - 1879-0003 (Electronic) IS - 0141-8130 (Linking) VI - 244 DP - 2023 Jul 31 TI - Designing a multi-epitopes subunit vaccine against human herpes virus 6A based on molecular dynamics and immune stimulation. PG - 125068 LID - S0141-8130(23)01962-1 [pii] LID - 10.1016/j.ijbiomac.2023.125068 [doi] AB - Human Herpesvirus 6A (HHV-6A) is a prevalent virus associated with various clinical manifestations, including neurological disorders, autoimmune diseases, and promotes tumor cell growth. HHV-6A is an enveloped, double-stranded DNA virus with a genome of approximately 160-170 kb containing a hundred open-reading frames. An immunoinformatics approach was applied to predict high immunogenic and non-allergenic CTL, HTL, and B cell epitopes and design a multi-epitope subunit vaccine based on HHV-6A glycoprotein B (gB), glycoprotein H (gH), and glycoprotein Q (gQ). The stability and correct folding of the modeled vaccines were confirmed through molecular dynamics simulation. Molecular docking found that the designed vaccines have a strong binding network with human TLR3, with K(d) values of 1.5E-11 mol/L, 2.6E-12 mol/L, 6.5E-13 mol/L, and 7.1E-11 mol/L for gB-TLR3, gH-TLR3, gQ-TLR3, and the combined vaccine-TLR3, respectively. The codon adaptation index values of the vaccines were above 0.8, and their GC content was around 67 % (normal range 30-70 %), indicating their potential for high expression. Immune simulation analysis demonstrated robust immune responses against the vaccine, with approximately 650,000/ml combined IgG and IgM antibody titer. This study lays a strong foundation for developing a safe and effective vaccine against HHV-6A, with significant implications for treating associated conditions. CI - Copyright (c) 2023. Published by Elsevier B.V. FAU - Suleman, Muhammad AU - Suleman M AD - Center for Biotechnology and Microbiology, University of Swat, Swat, Pakistan. Electronic address: suleman@uswat.edu.pk. FAU - Khan, Syed Hunain AU - Khan SH AD - Center for Biotechnology and Microbiology, University of Swat, Swat, Pakistan. FAU - Rashid, Farooq AU - Rashid F AD - Department of Infectious Diseases, Chongqing Public Health Medical Center, Chongqing, China. Electronic address: farooq12@mail.ustc.edu.cn. FAU - Khan, Abbas AU - Khan A AD - Department of Bioinformatics and Biological Statistics, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, PR China. FAU - Hussain, Zahid AU - Hussain Z AD - Center for Biotechnology and Microbiology, University of Swat, Swat, Pakistan. Electronic address: zahid@uswat.edu.pk. FAU - Zaman, Nasib AU - Zaman N AD - Center for Biotechnology and Microbiology, University of Swat, Swat, Pakistan. Electronic address: nasibzaman@uswat.edu.pk. FAU - Rehman, Shoaib Ur AU - Rehman SU AD - Department of Biotechnology, University of Science and Technology, Bannu, Pakistan. FAU - Zhai, Jingbo AU - Zhai J AD - Key Laboratory of Zoonose Prevention and Control at Universities of Inner Mongolia Autonomous Region, Medical College, Inner Mongolia Minzu University, Tongliao 028000, China. Electronic address: jbzhai@imun.edu.cn. FAU - Xue, Mengzhou AU - Xue M AD - Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, 2 Jingba Road, Zhengzhou, Henan 450001, China. Electronic address: xuemengzhou@zzu.edu.cn. FAU - Zheng, Chunfu AU - Zheng C AD - Department of Microbiology, Immunology and Infectious Diseases, University of Calgary, Calgary, Alberta, Canada. Electronic address: zheng.alan@hotmail.com. LA - eng PT - Journal Article DEP - 20230526 PL - Netherlands TA - Int J Biol Macromol JT - International journal of biological macromolecules JID - 7909578 RN - 0 (Toll-Like Receptor 3) RN - 0 (Epitopes, T-Lymphocyte) RN - 0 (Epitopes, B-Lymphocyte) RN - 0 (Glycoproteins) RN - 0 (Vaccines, Subunit) SB - IM MH - Humans MH - *Molecular Dynamics Simulation MH - *Herpesvirus 6, Human/genetics MH - Molecular Docking Simulation MH - Toll-Like Receptor 3 MH - Epitopes, T-Lymphocyte/chemistry MH - Epitopes, B-Lymphocyte MH - Glycoproteins MH - Vaccines, Subunit MH - Computational Biology OTO - NOTNLM OT - Epitopes OT - Glycoproteins OT - HHV-6A OT - Molecular docking OT - Molecular dynamics simulation COIS- Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. EDAT- 2023/05/29 00:42 MHDA- 2023/07/17 06:42 CRDT- 2023/05/28 19:27 PHST- 2023/03/09 00:00 [received] PHST- 2023/05/20 00:00 [revised] PHST- 2023/05/22 00:00 [accepted] PHST- 2023/07/17 06:42 [medline] PHST- 2023/05/29 00:42 [pubmed] PHST- 2023/05/28 19:27 [entrez] AID - S0141-8130(23)01962-1 [pii] AID - 10.1016/j.ijbiomac.2023.125068 [doi] PST - ppublish SO - Int J Biol Macromol. 2023 Jul 31;244:125068. doi: 10.1016/j.ijbiomac.2023.125068. Epub 2023 May 26.