1Department of Microbiology, Faculty of Medicine, University of Jember, Indonesia
2Department of Histology, Faculty of Medicine, University of Jember, Indonesia
BibTex Citation Data :
@article{JBTR16379, author = {Diana Chusna Mufida and Ayu Munawaroh Aziz and Nurrul Izza Misturiansyah}, title = {Potential of B-Cell Epitopes Protein Ag85 Complex Mycobacterium Tuberculosis as Serodiagnostic Antigen of Tuberculosis by in Silico Study}, journal = {Journal of Biomedicine and Translational Research}, volume = {9}, number = {1}, year = {2023}, keywords = {B-cell epitope; Ag85 complex; diagnostic antigen; in silico;}, abstract = { Background : The high case of tuberculosis which isn't followed by good detection becomes an urgency for the diagnostic developments. One of them with immunodiagnostic principle uses B-cell Ag85 complex epitope. The design of the diagnostic epitope was performed by mapping the B cell epitope used in silico studies. Objective : The purpose of this research is to analyze antigenicity, physicochemical which affect immunogenicity, and homology of B-cell Ag85 complex epitope with the strain which circulates in Indonesia. Methods : The samples used were taken from the NCBI protein bank with access numbers P9WQP3 for Ag85A, P9WQP1 for Ag85B, and P9WQN9 for Ag85C. The sequences were analyzed using IEDB (Bepipred) software as the epitope prediction, VaxiJen as antigenicity prediction, ProtParam as physicochemical properties prediction, and BLASTP NCBI as sequence alignment. Results : Twenty seven epitopes were antigenic with 0.4297 to 2.6007 scores and the molecular weight was from 619.59 Da to 3145.36 Da. This research also obtained eleven stable and hydrophilic epitopes. The alignment of 11 candidate epitopes with the strain which circulates in Indonesia, had a similarity percentage of 85.71%-100% and 3 epitopes had a more significant score. Conclusion : Three epitopes of Ag85 complex; Ag85A (212-235), Ag85B (209-237), and Ag85C (283-310), were universal antigens and can be developed into diagnostic antigens in Indonesia. }, issn = {2503-2178}, pages = {7--13} doi = {10.14710/jbtr.v9i1.16379}, url = {https://ejournal2.undip.ac.id/index.php/jbtr/article/view/16379} }
Refworks Citation Data :
Background: The high case of tuberculosis which isn't followed by good detection becomes an urgency for the diagnostic developments. One of them with immunodiagnostic principle uses B-cell Ag85 complex epitope. The design of the diagnostic epitope was performed by mapping the B cell epitope used in silico studies.
Objective: The purpose of this research is to analyze antigenicity, physicochemical which affect immunogenicity, and homology of B-cell Ag85 complex epitope with the strain which circulates in Indonesia.
Methods: The samples used were taken from the NCBI protein bank with access numbers P9WQP3 for Ag85A, P9WQP1 for Ag85B, and P9WQN9 for Ag85C. The sequences were analyzed using IEDB (Bepipred) software as the epitope prediction, VaxiJen as antigenicity prediction, ProtParam as physicochemical properties prediction, and BLASTP NCBI as sequence alignment.
Results: Twenty seven epitopes were antigenic with 0.4297 to 2.6007 scores and the molecular weight was from 619.59 Da to 3145.36 Da. This research also obtained eleven stable and hydrophilic epitopes. The alignment of 11 candidate epitopes with the strain which circulates in Indonesia, had a similarity percentage of 85.71%-100% and 3 epitopes had a more significant score.
Conclusion: Three epitopes of Ag85 complex; Ag85A (212-235), Ag85B (209-237), and Ag85C (283-310), were universal antigens and can be developed into diagnostic antigens in Indonesia.
Note: This article has supplementary file(s).
Article Metrics:
Last update:
The Authors submitting a manuscript do so on the understanding that if accepted for publication, copyright of the article shall be assigned to Journal of Biomedicine and Translational Research Diponegoro University as publisher of the journal.
Copyright encompasses non-exclusive rights to reproduce and deliver the article in all form and media, including reprints, photographs, microfilms and any other similar reproductions, as well as translations.
Journal of Biomedicine and Translational Research Diponegoro University, the Editors and the Advisory International Editorial Board make every effort to ensure that no wrong or misleading data, opinions or statements be published in the journal. In any way, the contents of the articles and advertisements published in the Journal of Biomedicine and Translational Research Diponegoro University (JBTR) are sole and exclusive responsibility of their respective authors and advertisers.
The Copyright Transfer Form can be downloaded here: [Copyright Transfer Form JBTR]
The copyright form should be signed originally and send to the Editorial Office in the form of original mail, scanned document or fax : Journal of Biomedicine and Translational Research Faculty of Medicine, Diponegoro UniversityJl. Prof. Soedarto, Kampus UNDIP Tembalang, Semarang, Central Java, Indonesia 50275, Telp.: +62-24-8454714, Fax.: +62-24-8454714Email: jbtr@fk.undip.ac.id
JBTR by https://ejournal2.undip.ac.id/index.php/jbtr is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
View My Stats