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Recent Advances in Synthesis of Antiviral Compounds

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

Deadline for manuscript submissions: 30 September 2026 | Viewed by 1649

Special Issue Editors


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Guest Editor
Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza Università di Roma, P. le A. Moro 5, 00185 Rome, Italy
Interests: drug design; antiviral agents; anticancer; antiparasitic
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Dipartimento di Scienze della Vita, della Salute e delle Professioni Sanitarie, Università degli Studi “Link Campus University”, Via del Casale di S. Pio V, 44, 00165 Rome, Italy
Interests: medicinal chemistry; drug discovery; antiviral; anticancer; antiprotozoal
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Viruses are responsible for challenging diseases in humans representing important causes of morbidity and mortality worldwide. Despite the prominent efforts devoted in the development of antiviral agents, the current therapeutic options are still inadequate to contrast and produce a definitive cure for the disparate viral diseases. These limits, which have been dramatically underlined by the recent COVID-19 pandemic, are further highlighted from the diffusion of emerging viral diseases, for which effective therapeutics are lacking. In addition, widespread resistant viral strains are another critical issue that limits the efficacy of the current drugs, underlining the urgent need to develop new, effective, and more tolerated antiviral agents. Increasing efforts have been devoted to the search of antiviral agents modulating alternative biological target(s) and exploiting innovative mechanisms of action, allowing the identification of prominent and innovative antiviral agents in recent years.

This Special Issue aims to collect the most recent research devoted to the identification of new antiviral agents for the treatment of viral diseases, with major focus on the design, synthesis, and biological evaluation of small-molecule compounds. In this Special Issue, we are inviting original research articles, as well as review articles, which are related to the search of antiviral agents. Furthermore, we also welcome the submission of mechanistic studies of new small organic molecules, natural products, and chemical probes as well as in silico design of antiviral agents and antiviral target validation.

We look forward to receiving your contributions.

Prof. Roberta Costi
Dr. Francesco Saccoliti
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Molecules is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • antiviral
  • drug design
  • medicinal chemistry
  • antiviral small molecules
  • synthesis
  • synthetic drugs
  • antimicrobial

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Published Papers (1 paper)

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Research

15 pages, 1255 KB  
Article
Immunoconjugated Magnetic Graphene for Exosome Capture in SARS-CoV-2 Pseudovirus-Infected Cells
by Rosamaria Pennisi, Giulia Neri, Paola Trischitta, Marianna Costa, Claudio Stagno, Giuseppe Roscitano, Maria Teresa Sciortino and Anna Piperno
Molecules 2026, 31(4), 612; https://doi.org/10.3390/molecules31040612 - 10 Feb 2026
Viewed by 606
Abstract
Graphene-based nanomaterials exhibit exceptional physicochemical properties that facilitate a range of diverse biomedical applications, including liquid biopsy. In this study, graphene-based magnetic units, termed MAGU (MAGnetic Units), were specifically engineered for the selective isolation of exosomes. Total extracellular vesicles were first enriched using [...] Read more.
Graphene-based nanomaterials exhibit exceptional physicochemical properties that facilitate a range of diverse biomedical applications, including liquid biopsy. In this study, graphene-based magnetic units, termed MAGU (MAGnetic Units), were specifically engineered for the selective isolation of exosomes. Total extracellular vesicles were first enriched using ultracentrifugation, followed by immunomagnetic capture of CD9+ exosomes. MAGU functionalized with anti-CD9 antibody (MAGU-anti-CD9) efficiently recovered a CD9-positive exosome subpopulation expressing canonical markers ALIX, CD147, TSG101, and Flotillin-1, thereby confirming selective isolation performance. To investigate viral associated signaling, 293T cells were transduced with SARS-CoV-2 spike pseudovirus. This pseudovirus was engineered to express the SARS-CoV-2 spike protein, enabling simulation of viral entry and assessment of potential alterations in the exosomal profile induced by viral binding. Exosomes released by pseudovirus-transduced 293T cells were analyzed and compared to those from non-transduced controls. The MAGU-anti-CD9 complex selectively isolated a defined subset of CD9-positive vesicles enriched in the multifunctional transmembrane glycoprotein CD147, which has been proposed as a cofactor in SARS-CoV-2 entry. Comprehensive molecular profiling of selectively captured exosome subpopulations is expected to further support the application of MAGU technology in virus–host interaction research and liquid-biopsy-based diagnostics. Full article
(This article belongs to the Special Issue Recent Advances in Synthesis of Antiviral Compounds)
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