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Target specificity of selective bioactive compounds in blocking α-dystroglycan receptor to suppress Lassa virus infection: an in silico approach

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The Journal of Biomedical Research 2021年第6期35卷 459-473页

作者： Adittya Arefin tanzila ismail ema Tamnia Islam MdSaddam Hossen Tariqul Islam Salauddin Al Azad MdNasir Uddin Badal MdAminul Islam Partha Biswas Nafee Ul Alam Enayetul Islam Maliha Anjum Afsana Masud MdShaikh Kamran Ahsab Rahman Parag Kumar Paul Wolfson Institute for Biomedical Research Division of MedicineUniversity College LondonLondon WC1E6AEUK Department of Biochemistry and Microbiology North South UniversityDhaka 1229Bangladesh Faculty of Life Sciences and Medicine Zhejiang Sci-Tech UniversityHangzhouZhejiang 310018China Faculty of Pharmacy International Islamic University MalaysiaKuantanPahang 25200Malaysia School of Biotechnology Jiangnan UniversityWuxiJiangsu 214122China Department of Biomedical Technology Tampere UniversityTampere 33014Finland Department of Genetic Engineering and Biotechnology Jashore University of Science and TechnologyJashore 7408Bangladesh Department of Genetic Engineering and Biotechnology University of ChittagongChittagong 4331Bangladesh Applied Statistics and Data Science Jahangirnagar UniversityDhaka 1342Bangladesh Department of Mathematics and Natural Sciences Brac UniversityDhaka 1212Bangladesh Department of Electrical and Electronic Engineering United International UniversityDhaka 1212Bangladesh.

Lassa hemorrhagic fever,caused by Lassa mammarenavirus(LASV)infection,accumulates up to 5000 deaths every ***,there is no vaccine available to combat this *** this study,a library of 200 bioactive compounds was virtually screened to study their drug-likeness with the capacity to block theα-dystroglycan(α-DG)receptor and prevent LASV *** rigorous absorption,distribution,metabolism,and excretion(ADME)and quantitative structure-activity relationship(QSAR)profiling,molecular docking was conducted with the top ligands against theα-DG *** compounds chrysin,reticuline,and 3-caffeoylshikimic acid emerged as the top three ligands in terms of binding ***-docking analysis revealed that interactions with Arg76,Asn224,Ser259,and Lys302 amino acid residues of the receptor protein were important for the optimum binding affinity of *** dynamics simulation was performed comprehensively to study the stability of the protein-ligand ***-depth assessment of root-mean-square deviation(RMSD),root mean square fluctuation(RMSF),polar surface area(PSA),B-Factor,radius of gyration(Rg),solvent accessible surface area(SASA),and molecular surface area(MolSA)values of the protein-ligand complexes affirmed that the candidates with the best binding affinity formed the most stable protein-ligand *** authenticate the potentialities of the ligands as target-specific drugs,an in vivo study is underway in real time as the continuation of the research.

关键词： LASV infection α-dystroglycan receptor bioactive compounds target specificity molecular docking molecular dynamic simulations

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ANTIVIRAL EFFECTS OF BACTERIOCIN AGAINST ANIMAL-TO-HUMAN TRANSMITTABLE MUTATED SARS-COV-2:A SYSTemaTIC REVIEW

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Frontiers of Agricultural Science and Engineering 2021年第4期8卷 603-622页

作者： Dipta DEY tanzila ismail ema Partha BISWAS Sharmin AKTAR Shoeba ISLAM Urmi Rahman RINIK Mahmudul FIROZ Shahlaa Zernaz AHMED Salauddin AL AZAD Ahsab RAHMAN Sadia AFRIN Rezwan Ahmed MAHEDI MdNasir Uddin BADAL Department of Biochemistry and Molecular Biology Bangabandhu Sheikh Mujibur Rahman Science&Technology UniversityGopalganj 8100Bangladesh Department of Microbiology and Biochemistry North South UniversityDhaka 1229Bangladesh Department of Genetic Engineering and Biotechnology Jashore University of Science and TechnologyJashore 7408Bangladesh Department of Microbiology University of DhakaDhaka 1000Bangladesh Department of Naval Architecture and Marine Engineering Bangladesh University of Engineering and TechnologyDhaka 1205Bangladesh Biotechnology and Genetic Engineering Discipline Khulna UniversityKhulna 9208Bangladesh Department of Mechanical and Production Engineering Islamic University of TechnologyGazipur 1704Bangladesh School of Biotechnology Jiangnan UniversityWuxi 214122China Department of Mathematics and Natural Sciences Brae UniversityDhaka 1212Bangladesh Department of Pharmacy Comilla UniversityComilla 3506Bangladesh Department of Biomedical Technology Tampere UniversityTampere 33100Finland

The COVID-19 caused by SARS-CoV-2 has resulted in millions of people being infected and thousands of deaths globally since November *** date,no unique therapeutic agent has been developed to slow the progression of this *** possessing antiviral traits the potential of bacteriocins to combat SARS-CoV-2 infection has not been fully *** review summarizes the mechanisms by which bacteriocins can be manipulated and implemented as effective virus entry blockers with infection suppression potential properties to highly transmissible viruses through comprehensive immune modulations that are potentially effective against *** antimicrobial peptides have been suggested as effective antiviral therapeutics and therapeutic supplements to prevent rapid virus *** review also provides a new insight into the cellular and molecular alterations which have made SARS-CoV-2 self-modified with diversified infection *** addition,the possible applications of antimicrobial peptides through both natural and induced mechanisms in infection prevention perspectives on changeable virulence cases are comprehensively *** attention is given to the antiviral mechanisms of the molecules along with their integrative use with synthetic biology and nanosensor technology for rapid *** bacteriocin based therapeutics with cutting-edge technologies might be potential substitutes for existing time-consuming and expensive approaches to fight this newly emerged global threat.

关键词： antimicrobial proteins antiviral profiling of bacteriocins antiviral therapeutics immunomodulation nanosensor technology mutated SARS-CoV-2

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Role of T cells in cancer immunotherapy:Opportunities and challenges

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Cancer Pathogenesis and Therapy 2023年第2期1卷 116-126页

作者： Hossain Ahmed Aar Rafi Mahmud Mohd.Faijanur-Rob-Siddiquee Asif Shahriar Partha Biswas Ebrahim Khalil Shimul Shahlaa Zernaz Ahmed tanzila ismail ema Nova Rahman Arif Khan Furkanur Rahaman Mizan Talha Bin Emran Department of Biotechnology and Genetic Engineering University of Development Alternative(UODA)4/4BBlock ALalmatiaDhaka1209Bangladesh Department of Biochemistry and Molecular Biology Mawlana Bhashani Science and Technology UniversityTangail1902Bangladesh Department of Biochemistry and Molecular Biology Faculty of Biological ScienceUniversity of DhakaDhaka1000Bangladesh Department of Immunology and Microbiology School of MedicineUniversity of Texas Rio Grande ValleyMcAllenTX78504USA Department of Genetic Engineering and Biotechnology Faculty of Biological Science and TechnologyJashore University of Science and Technology(JUST)Jashore7408Bangladesh Department of Biochemistry and Microbiology North South UniversityDhaka1229Bangladesh Department of Biochemistry and Molecular Biology Jahangirnagar UniversitySavarDhaka1342Bangladesh Department of Food Science and Technology Chung-Ang UniversityAnseong17546Republic of Korea Department of Pharmacy BGC Trust University BangladeshChittagong4381Bangladesh Department of Pharmacy Faculty of Allied Health SciencesDaffodil International UniversityDhaka1207Bangladesh

Immunotherapies boosting the immune system's ability to target cancer cells are promising for the treatment of various tumor types,yet clinical responses differ among patients and ***,there has been increasing interest in novel cancer immunotherapy practices aimed at triggering T cell-mediated anti-tumor ***-directed cytotoxicity mediated by T lymphocytes has become a central focal point in the battle against cancer utilizing the immune *** molecular and cellular mechanisms involved in the actions of T lymphocytes have directed new therapeutic approaches in cancer immunotherapy,including checkpoint blockade,adoptive and chimeric antigen receptor(CAR)T cell therapy,and cancer *** review addresses all the strategies targeting tumor pathogenesis,including metabolic pathways,to evaluate the clinical significance of current and future immunotherapies for patients with cancer,which are further engaged in T cell activation,differentiation,and response against tumors.

关键词： Immunotherapy T cell Cancer Immune system Metabolic pathways

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