Themed collection Meet the Editor webinar: celebrating our speakers and their contributions to the field

Dual functional therapeutics: mitigating bacterial infection and associated inflammation
Dual-functional therapeutics with the ability to tackle both bacterial infection and associated hyper-inflammation hold great promise for mitigating complicated infections and sepsis.
RSC Med. Chem., 2023,14, 1410-1428
https://doi.org/10.1039/D3MD00166K

Enhancing the antibacterial efficacy of vancomycin analogues: targeting metallo-β-lactamases and cell wall biosynthesis
A two-in-one vancomycin derivative that acts through multiple mechanisms to inhibit drug-resistant Gram-positive bacteria and resensitizes critical priority Gram-negative pathogens to carbapenems.
Chem. Sci., 2024,15, 16307-16320
https://doi.org/10.1039/D4SC03577A

Small molecular adjuvants repurpose antibiotics towards Gram-negative bacterial infections and multispecies bacterial biofilms
Gram-negative bacteria pose a significant challenge due to two major resistance elements: impermeability of the outer membrane and the overexpression of efflux pumps, contributing to antibiotic resistance. SMA tackles both and aids in antibiotic rejuvenation.
Chem. Sci., 2024,15, 259-270
https://doi.org/10.1039/D3SC05124B

Isoamphipathic antibacterial molecules regulating activity and toxicity through positional isomerism
Peptidomimetic antimicrobials exhibit a selective interaction with bacterial cells over mammalian cells once they have achieved an optimum amphiphilic balance (hydrophobicity/hydrophilicity) in the molecular architecture.
Chem. Sci., 2023,14, 4845-4856
https://doi.org/10.1039/D2SC06065E

Immune-theranostic gold nanorod-based NIR-responsive nanomedicine for the delivery of TLR7/8 adjuvant-induced effective anticancer therapy
Presently, there are several challenges that need to be overcome in the development of treatments that can effectively inhibit tumor growth, prevent the spread of tumor metastases, and protect the host against recurrence.
RSC Pharm., 2024,1, 441-457
https://doi.org/10.1039/D4PM00033A

Antimicrobial triazinedione inhibitors of the translocase MraY–protein E interaction site: synergistic effects with bacitracin imply a new mechanism of action
A set of triazinedione peptidomimetics of an Arg-Trp-x-x-Trp motif found in MraY were found to show antimicrobial activity against antibiotic-resistant clinical isolates, via a novel mechanism of action.
RSC Med. Chem., 2025,16, 1641-1653
https://doi.org/10.1039/D4MD00937A

Discovery of potent measles virus fusion inhibitor peptides via structure-guided derivatization
Structure-guided design led to the discovery of a small and potent peptide inhibitor of measles virus fusion protein.
RSC Med. Chem., 2025,16, 1619-1625
https://doi.org/10.1039/D4MD01006J

Design and synthesis of cyclic lipidated peptides derived from the C-terminus of Cx43 for hemichannel inhibition and cardiac endothelium targeting
Potent and stable cyclic peptide inhibitors of Cx43 were identified. Their therapeutic potential was enhanced by the addition of a lipid motif (preserving water solubility), and a targeting peptide, for delivery to cardiac endothelial cells.
RSC Med. Chem., 2025,16, 1289-1303
https://doi.org/10.1039/D4MD00850B

Novel PROTAC probes targeting KDM3 degradation to eliminate colorectal cancer stem cells through inhibition of Wnt/β-catenin signaling
We designed and synthesized novel IOX1-based PROTACs, which can selectively degrade KDM3A and KDM3B to eliminate colorectal cancer stem cells through inhibition of Wnt signaling.
RSC Med. Chem., 2024,15, 3746-3758
https://doi.org/10.1039/D4MD00122B

Identification of readily available pseudo-natural products
Pseudo-natural products (PNPs) combine fragments derived from NPs in ways that are not found in nature, and may lead to the discovery of novel chemotypes for unexpected targets or the identification of unprecedented bioactivities.
RSC Med. Chem., 2024,15, 2709-2717
https://doi.org/10.1039/D4MD00310A

Can large language models predict antimicrobial peptide activity and toxicity?
The large language models GPT-3 and GTP-3.5 were challenged to predict the activity and hemolysis of antimicrobial peptides from their sequence and compared to recurrent neural networks and support vector machines.
RSC Med. Chem., 2024,15, 2030-2036
https://doi.org/10.1039/D4MD00159A

A new class of 7-deazaguanine agents targeting autoimmune diseases: dramatic reduction of synovial fibroblast IL-6 production from human rheumatoid arthritis patients and improved performance against murine experimental autoimmune encephalomyelitis
IL-6 production in treated human synovial fibroblasts from rheumatoid arthritis patients has been utilised to select candidates from a targeted library of queuine tRNA ribosyltransferase (QTRT) substrates for subsequent in vivo screening in murine experimental autoimmune encephalomyelitis.
RSC Med. Chem., 2024,15, 1556-1564
https://doi.org/10.1039/D4MD00028E

Live cell screening to identify RNA-binding small molecule inhibitors of the pre-let-7–Lin28 RNA–protein interaction
Dysregulation of the networking of RNA-binding proteins (RBPs) and RNAs drives many human diseases, including cancers, and the targeting of RNA–protein interactions (RPIs) has emerged as an exciting area of RNA-targeted drug discovery.
RSC Med. Chem., 2024,15, 1539-1546
https://doi.org/10.1039/D4MD00123K

A novel BODIPY-based theranostic agent for in vivo fluorescence imaging of cerebral Aβ and ameliorating Aβ-associated disorders in Alzheimer's disease transgenic mice
We report the synthesis, characteristics, and biological evaluations of a novel theranostic agent, P14, for both in vitro and in vivo imaging of central Aβ plaques, inhibition of Aβ aggregation, and neuronal damage as well as behavioral deficits.
RSC Med. Chem., 2024,15, 1216-1224
https://doi.org/10.1039/D3MD00744H

1,5-Disubstituted tetrazoles as PD-1/PD-L1 antagonists
Utilizing a combination of structure-based design, MCR synthesis, biophysics, and protein crystallography to innovate a novel tetrazole scaffold targeting the PD-1/PD-L1 immune checkpoint protein complex.
RSC Med. Chem., 2024,15, 1210-1215
https://doi.org/10.1039/D3MD00746D

A concept of dual-responsive prodrugs based on oligomerization-controlled reactivity of ester groups: an improvement of cancer cells versus neutrophils selectivity of camptothecin
We introduced a concept of prodrugs activated by H2O2 and mitochondrial OH−, which is applicable to camptothecin and its derivatives.
RSC Med. Chem., 2024,15, 1189-1197
https://doi.org/10.1039/D3MD00609C
Molecular editing of NSC-666719 enabling discovery of benzodithiazinedioxide-guanidines as anticancer agents
In this study, a unique strategy of scaffold-hopping-based molecular editing of a bioactive agent NSC-666719 was investigated, which led to the development of new benzodithiazinedioxide-guanidine based anticancer agents with Polβ inhibition.
RSC Med. Chem., 2024,15, 937-962
https://doi.org/10.1039/D3MD00648D
Linker substitution influences succinimide ring hydrolysis equilibrium impacting the stability of attachment to antibody–drug conjugates
Maleimide is used in antibody–drug conjugate (ADC) generation to attach the drug-linker to the antibody. Maleimide linkers with hydrolysis-enabled maleimides were designed. Corresponding ADCs were made and subjected to thermal stress, and succinimide ring hydrolysis and drug release were measured.
RSC Med. Chem., 2024,15, 612-622
https://doi.org/10.1039/D3MD00569K
About this collection
Following our Meet the Editor webinar: Innovations in medicinal chemistry – advancing drug discovery and development, we are delighted to bring together a collection of RSC articles, as published by our speakers. The collection features publications from Professor Jean Louis Reymond (University of Bern, Switzerland), Professor Clare Hoskins (University of Strathclyde, UK), Professor Arvind Bansal (NIPER Mohali, India), Professor Sankar K Guchhait (NIPER Mohali, India) and Professor Jayanta Haldar (JNCASR, India). This collection highlights advancements made in the area of drug discovery, drug targeting, nanomedicine, therapeutics and medicinal chemistry from around the world. We hope you enjoy reading the collection.