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Recent Advances in Peptide-Lead Drug Discovery

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Medicinal Chemistry".

Deadline for manuscript submissions: closed (30 September 2021) | Viewed by 3612

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Guest Editor
Department of Medicinal Chemistry, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, Japan
Interests: medicinal chemistry; bioorganic chemistry; chemical biology
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Special Issue Information

Dear Colleagues,

Peptides represent an attractive class of molecules for the design of new drugs, lead structures, drug carriers, and excipients. Recent developments in peptide synthesis techniques and high-throughput screening platforms have created enthusiasm and interest in the design and discovery of novel peptides for a broad range of biological and pharmacological applications. Advances in peptide engineering have helped to overcome traditional limitations in peptide drug development, such as poor systemic stability, rapid clearance, and low binding affinities to biological targets. Currently, there are nearly one hundred peptide-based drug candidates in clinical trials, a dramatic increase compared to the number of those under study a decade ago. These developments signal a “second wave” in peptide drug development.

Over the past decade, peptide drug discovery has experienced a revival of interest and scientific momentum, as the pharmaceutical industry has come to appreciate the role that peptide therapeutics can play in addressing unmet medical needs and how this class of compounds can be an excellent complement or even a preferable alternative to small-molecule and biological therapeutics.

This Special Issue of Molecules welcomes submissions of review and research articles in the field of peptide drug discovery and development.

Prof. Dr. Hirokazu Tamamura
Guest Editor

Manuscript Submission Information

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Keywords

  • Therapeutic peptides
  • Peptide synthesis
  • Drug development
  • Drug targeting
  • Antimicrobial peptides
  • Peptides and Alzheimer’s disease
  • Peptides and metabolic syndrome
  • Peptides and cancer
  • Peptides as shuttles
  • Peptide-based drug delivery
  • Peptide-based vaccines
  • Peptide–drug conjugates

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Published Papers (1 paper)

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Research

10 pages, 2028 KiB  
Article
In Silico and In Vivo Evaluation of SARS-CoV-2 Predicted Epitopes-Based Candidate Vaccine
by Mahmoud M. Shehata, Sara H. Mahmoud, Mohammad Tarek, Ahmed A. Al-Karmalawy, Amal Mahmoud, Ahmed Mostafa, Mahmoud M. Elhefnawi and Mohamed A. Ali
Molecules 2021, 26(20), 6182; https://doi.org/10.3390/molecules26206182 - 13 Oct 2021
Cited by 24 | Viewed by 3046
Abstract
Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2, the causative agent of coronavirus disease (COVID-19)) has caused relatively high mortality rates in humans throughout the world since its first detection in late December 2019, leading to the most devastating pandemic of the current century. [...] Read more.
Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2, the causative agent of coronavirus disease (COVID-19)) has caused relatively high mortality rates in humans throughout the world since its first detection in late December 2019, leading to the most devastating pandemic of the current century. Consequently, SARS-CoV-2 therapeutic interventions have received high priority from public health authorities. Despite increased COVID-19 infections, a vaccine or therapy to cover all the population is not yet available. Herein, immunoinformatics and custommune tools were used to identify B and T-cells epitopes from the available SARS-CoV-2 sequences spike (S) protein. In the in silico predictions, six B cell epitopes QTGKIADYNYK, TEIYQASTPCNGVEG, LQSYGFQPT, IRGDEVRQIAPGQTGKIADYNYKLPD, FSQILPDPSKPSKRS and PFAMQMAYRFNG were cross-reacted with MHC-I and MHC-II T-cells binding epitopes and selected for vaccination in experimental animals for evaluation as candidate vaccine(s) due to their high antigenic matching and conserved score. The selected six peptides were used individually or in combinations to immunize female Balb/c mice. The immunized mice raised reactive antibodies against SARS-CoV-2 in two different short peptides located in receptor binding domain and S2 region. In combination groups, an additive effect was demonstrated in-comparison with single peptide immunized mice. This study provides novel epitope-based peptide vaccine candidates against SARS-CoV-2. Full article
(This article belongs to the Special Issue Recent Advances in Peptide-Lead Drug Discovery)
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