Nguyen Viet Phong, Hyo-Sung Kim, Yan Zhao, Eunbyul Yeom, Seo Young Yang
{"title":"Indirubin-3'-oxime as a dual-action agent: mitigating heat-induced male infertility in <i>Drosophila melanogaster</i> and inhibiting soluble epoxide hydrolase.","authors":"Nguyen Viet Phong, Hyo-Sung Kim, Yan Zhao, Eunbyul Yeom, Seo Young Yang","doi":"10.1080/14756366.2024.2447719","DOIUrl":"10.1080/14756366.2024.2447719","url":null,"abstract":"<p><p>This study investigated the potential of the indirubin-3'-oxime (I3O) compound to mitigate temperature-induced male infertility in <i>Drosophila melanogaster</i>. Elevated temperatures significantly reduced egg-hatching rates, but I3O supplementation improved these rates, suggesting it can partially restore fertility under heat stress. Additionally, I3O was found to inhibit soluble epoxide hydrolase (sEH), an enzyme involved in the metabolism of epoxyeicosatrienoic acids, which are vital for reproductive health. I3O exhibited sEH inhibitions with an IC<sub>50</sub> value of 59.74 ± 0.41 µM. Enzyme kinetics revealed that I3O acts as a non-competitive inhibitor of sEH with a <i>K<sub>i</sub></i> value of 78.88 µM. Molecular docking showed strong interactions between I3O and key residues in the allosteric regions within the sEH enzyme, with a binding affinity of -9.2 kcal/mol. These interactions were supported by 100 ns molecular dynamics simulations, which confirmed the stability of the sEH-I3O complex.</p>","PeriodicalId":15769,"journal":{"name":"Journal of Enzyme Inhibition and Medicinal Chemistry","volume":"40 1","pages":"2447719"},"PeriodicalIF":5.6,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11755746/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143006501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Marwa H El-Wakil, Rasha A Ghazala, Hadeel A El-Dershaby, Danuta Drozdowska, Agnieszka Wróbel-Tałałaj, Cezary Parzych, Artur Ratkiewicz, Beata Kolesińska, Heba A Abd El-Razik, Farid S G Soliman
{"title":"Rational design, synthesis, and molecular modelling insights of dual DNA binders/DHFR inhibitors bearing arylidene-hydrazinyl-1,3-thiazole scaffold with apoptotic and anti-migratory potential in breast MCF-7 cancer cells.","authors":"Marwa H El-Wakil, Rasha A Ghazala, Hadeel A El-Dershaby, Danuta Drozdowska, Agnieszka Wróbel-Tałałaj, Cezary Parzych, Artur Ratkiewicz, Beata Kolesińska, Heba A Abd El-Razik, Farid S G Soliman","doi":"10.1080/14756366.2025.2468353","DOIUrl":"10.1080/14756366.2025.2468353","url":null,"abstract":"<p><p>In light of searching for new breast cancer therapies, DNA-targeted small molecules were rationally designed to simultaneously bind DNA and inhibit human dihydrofolate reductase (<i>h</i>DHFR). Fourteen new arylidene-hydrazinyl-1,3-thiazoles (<b>5-18</b>) were synthesised and their dual DNA groove binding potential and <i>in vitro h</i>DHFR inhibition were performed. Two compounds, <b>5</b> and <b>11</b>, proved their dual efficacy. Molecular docking and molecular dynamics simulations were performed for those active derivatives to explore their mode of binding and stability of interactions inside DHFR active site. Anti-breast cancer activity was assessed for <b>5</b> and <b>11</b> on MCF-7 cells using <b>MTX</b> as reference. IC<sub>50</sub> measurements revealed that both compounds were more potent and selective than <b>MTX</b>. Cytotoxicity was examined against normal skin fibroblasts to examine safety and selectivity Moreover, mechanistic studies including apoptosis induction and wound healing were performed. Further <i>in silico</i> ADMET assessment was conducted to determine their eligibility as drug leads suitable for future optimisation and development.</p>","PeriodicalId":15769,"journal":{"name":"Journal of Enzyme Inhibition and Medicinal Chemistry","volume":"40 1","pages":"2468353"},"PeriodicalIF":5.6,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11881662/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143542164","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zhen Xu, Lixia Guan, Yuting Wang, Miao-Miao Niu, Yashi Ruan, Cen Xu, Li Yang
{"title":"Discovery of a novel PLK1 inhibitor with high inhibitory potency using a combined virtual screening strategy.","authors":"Zhen Xu, Lixia Guan, Yuting Wang, Miao-Miao Niu, Yashi Ruan, Cen Xu, Li Yang","doi":"10.1080/14756366.2025.2467798","DOIUrl":"10.1080/14756366.2025.2467798","url":null,"abstract":"<p><p>PLK1 is essential for cell cycle regulation and proliferation, and its elevated expression in prostate cancer is associated with high tumour grade. Therefore, PLK1 inhibition is considered a promising strategy for the treatment of prostate cancer. Here, we identified five compounds (Hits 1-5) targeting the kinase domain (KD) of PLK1 using a combined virtual screening approach. Hits 1-5 all had picomolar (pM) inhibitory potency against PLK1. Notably, Hit-4 showed the strongest inhibitory activity against PLK1 (IC<sub>50</sub> = 22.61 ± 1.12 pM) and displayed high selectivity for PLK1. Meanwhile, molecular dynamics (MD) simulations revealed that the complex formed by Hit-4 and PLK1 remained stable. Importantly, Hit-4 exhibited potent inhibitory effects on the proliferation of DU-145 prostate cancer cells (IC<sub>50</sub> = 0.09 ± 0.01 nM). In conclusion, Hit-4 is a potent and highly selective antitumor candidate with therapeutic potential for prostate cancer.</p>","PeriodicalId":15769,"journal":{"name":"Journal of Enzyme Inhibition and Medicinal Chemistry","volume":"40 1","pages":"2467798"},"PeriodicalIF":5.6,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11892073/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143573000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Tomasz M Wróbel, Angelika Grudzińska, Jibira Yakubu, Therina du Toit, Katyayani Sharma, Jeremiah C Harrington, Fredrik Björkling, Flemming Steen Jørgensen, Amit V Pandey
{"title":"Pyridine indole hybrids as novel potent CYP17A1 inhibitors.","authors":"Tomasz M Wróbel, Angelika Grudzińska, Jibira Yakubu, Therina du Toit, Katyayani Sharma, Jeremiah C Harrington, Fredrik Björkling, Flemming Steen Jørgensen, Amit V Pandey","doi":"10.1080/14756366.2025.2463014","DOIUrl":"10.1080/14756366.2025.2463014","url":null,"abstract":"<p><p>Prostate cancer (PCa) is one of the most prevalent malignancies affecting men worldwide, and androgen deprivation therapy (ADT) is a primary treatment approach. CYP17A1 inhibitors like abiraterone target the steroidogenic pathway to reduce androgen levels, but their clinical efficacy is limited by drug resistance and adverse effects. This study reports the synthesis and evaluation of novel CYP17A1 inhibitors derived from a previously identified hit compound. Several analogs were synthesised, including an unexpected di-cyano derivative, which demonstrated increased potency against CYP17A1 compared to abiraterone. Biological assays revealed that these compounds significantly inhibited CYP17A1 enzymatic activity and altered steroid biosynthesis. Among the newly synthesised inhibitors, compound <b>11</b> showed the highest potency (IC<sub>50</sub> = 4 nM) and the related compound <b>14</b> presented a template for further development. A combined docking and molecular dynamics approach was used to identify the possible target binding modes of the compounds.</p>","PeriodicalId":15769,"journal":{"name":"Journal of Enzyme Inhibition and Medicinal Chemistry","volume":"40 1","pages":"2463014"},"PeriodicalIF":5.6,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11834790/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143414439","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Design, synthesis and biological activity of novel Xuetongsu derivatives as potential anticancer agents by inducing apoptosis.","authors":"Qi Jiang, Hui Zhong, Cong Wu, Jia Li, Jingmin Chen, Xudong Zhou, Bin Li, Huanghe Yu, Wei Wang, Wenbing Sheng","doi":"10.1080/14756366.2025.2482140","DOIUrl":"10.1080/14756366.2025.2482140","url":null,"abstract":"<p><p>Xuetongsu (XTS, Schisanlactone E) is one of the main active compounds and considered as the star molecule isolated from <i>Kadsura heteroclita</i> (Roxb.) Craib. In order to improve XTS anti-tumour bioactivities, a series of novel XTS derivatives were designed and synthesised by introducing an amide bond at the parent. Anti-proliferative assays on four different human tumour cell lines (BGC-823, HepG-2, HCT-116, and MCF-7) showed that the anti-tumour activities of most derivatives increased greatly compared to the parent XTS, and especially, compounds <b>A</b>-<b>7</b>, <b>A</b>-<b>14</b>, and <b>A</b>-<b>18</b> exhibited multiple anti-tumour effects. Among them, compound <b>A</b>-<b>7</b> has the best biological activities on the four tumour cell lines with the IC<sub>50</sub> values ranging from 13.86 to 20.71 μM, which could significantly increase the fraction of apoptotic cells according to flow cytometry experience. Further study demonstrated that <b>A</b>-<b>7</b> could induce apoptosis on HepG-2 cells through influencing the key apoptotic related proteins, such as Bcl-2, Bax, and cleaved Caspase-3.</p>","PeriodicalId":15769,"journal":{"name":"Journal of Enzyme Inhibition and Medicinal Chemistry","volume":"40 1","pages":"2482140"},"PeriodicalIF":5.6,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143803398","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Roberta Iacono, Francesca Maria Pia Paragliola, Andrea Strazzulli, Marco Moracci
{"title":"A stable GH31 α-glucosidase as a model system for the study of mutations leading to human glycogen storage disease type II.","authors":"Roberta Iacono, Francesca Maria Pia Paragliola, Andrea Strazzulli, Marco Moracci","doi":"10.1080/14756366.2025.2468859","DOIUrl":"10.1080/14756366.2025.2468859","url":null,"abstract":"<p><p>GH31 glycosidases are widespread across organisms, but remarkably, less than 1% of them have been biochemically characterised to date. Among them, human lysosomal acid α-glucosidase (GAA) stands out due to its link to Pompe disease, a rare lysosomal storage disorder caused by its deficiency. This disease results in glycogen accumulation, severe cellular damage, motor impairment, and premature death. Structural and functional studies of GAA mutants are challenging due to their instability and lack of activity, hindering their expression and purification. The GH31 enzyme MalA from a hyperthermophilic archaeon is explored here as a stable homolog of GAA. MalA is highly expressible, easy to purify, and structurally characterised. The R400H mutant in MalA, corresponding to the pathogenic GAA R600H mutation, revealed here a 1200-fold drop in specificity constant and >8 °C reduction in thermal stability. We propose MalA's as a robust model for studying GAA mutations and developing therapeutic chaperones.</p>","PeriodicalId":15769,"journal":{"name":"Journal of Enzyme Inhibition and Medicinal Chemistry","volume":"40 1","pages":"2468859"},"PeriodicalIF":5.6,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11864002/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143492356","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Study on the synthesis and biological activity of kojic acid triazol thiosemicarbazide Schiff base derivatives.","authors":"Yayuan Luo, Zhiyong Peng, Junyuan Tang, Dahan Wang, Sheng Tao, Jinbing Liu","doi":"10.1080/14756366.2025.2475071","DOIUrl":"10.1080/14756366.2025.2475071","url":null,"abstract":"<p><p>A series of kojic acid triazol thiosemicarbazide Schiff base derivatives were designed and synthesised. Evaluation on the inhibition of tyrosinase activity showed that these compounds possessed potent inhibit tyrosinase activity, and the compound <b>6w</b> (IC<sub>50</sub> = 0.94 μM) exhibited the best inhibitory effect. Preliminary structure-activity relationships indicate that steric hindrance, halogen atom radius, and electron donating ability of functional groups have some impact on the inhibition of tyrosinase activity. Inhibition mechanism showed that compound <b>6w</b> is a non-competitive mixed inhibitor, and this result was further confirmed by molecular docking. The fluorescence quenching mode of compound <b>6w</b> is dynamic quenching, and interacts with tyrosinase by changing the amide structure of tyrosinase. Compound <b>6w</b> has some anti-browning effect. Compound <b>6p</b> had the strongest DPPH radical scavenging activity (IC<sub>50</sub> = 10.53 ± 0.014 μM), and compound <b>6w</b> showed the best ABTS scavenging activity (IC<sub>50</sub> = 3.03 ± 0.009 μM).</p>","PeriodicalId":15769,"journal":{"name":"Journal of Enzyme Inhibition and Medicinal Chemistry","volume":"40 1","pages":"2475071"},"PeriodicalIF":5.6,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143803401","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Alessia Caputo, Gian Marco Elisi, Elisabetta Levati, Giulia Barotti, Sara Sartini, Jerome Wagner, Dominique Y Burnouf, Simone Ottonello, Silvia Rivara, Barbara Montanini
{"title":"Small molecules targeting the eubacterial β-sliding clamp discovered by combined <i>in silico</i> and <i>in vitro</i> screening approaches.","authors":"Alessia Caputo, Gian Marco Elisi, Elisabetta Levati, Giulia Barotti, Sara Sartini, Jerome Wagner, Dominique Y Burnouf, Simone Ottonello, Silvia Rivara, Barbara Montanini","doi":"10.1080/14756366.2024.2440861","DOIUrl":"https://doi.org/10.1080/14756366.2024.2440861","url":null,"abstract":"<p><p>Antibiotic resistance stands as the foremost post-pandemic threat to public health. The urgent need for new, effective antibacterial treatments is evident. Protein-protein interactions (PPIs), owing to their pivotal role in microbial physiology, emerge as novel and attractive targets. Particularly promising is the α-subunit/β-sliding clamp interaction, crucial for the replicative competence of bacterial DNA polymerase III holoenzyme. Through pharmacophore-based virtual screening, we identified 4,000 candidate small molecule inhibitors targeting the β-clamp binding pocket. Subsequently, these candidates underwent evaluation using the BRET assay in yeast cells. Following this, three hits and 28 analogues were validated via Protein Thermal Shift and competitive ELISA assays. Among them, thiazolo[4,5-<i>d</i>]-pyrimidinedione and benzanilide derivatives exhibited micromolar potency in displacing the β-clamp protein partner and inhibiting DNA replication. This screening campaign unveiled new chemical classes of α/β-clamp PPI disruptors capable of inhibiting DNA polymerase III activity, which lend themselves for further optimisation to improve their antibacterial efficacy.</p>","PeriodicalId":15769,"journal":{"name":"Journal of Enzyme Inhibition and Medicinal Chemistry","volume":"40 1","pages":"2440861"},"PeriodicalIF":5.6,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142921611","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nazar Trotsko, Agnieszka Głogowska, Barbara Kaproń, Katarzyna Kozieł, Ewa Augustynowicz-Kopeć, Agata Paneth
{"title":"The new thiazolidine-2,4-dione-based hybrids with promising antimycobacterial activity: design, synthesis, biological evaluation, and drug interaction analysis.","authors":"Nazar Trotsko, Agnieszka Głogowska, Barbara Kaproń, Katarzyna Kozieł, Ewa Augustynowicz-Kopeć, Agata Paneth","doi":"10.1080/14756366.2024.2442703","DOIUrl":"https://doi.org/10.1080/14756366.2024.2442703","url":null,"abstract":"<p><p>The ever-increasing drug-resistant tuberculosis (TB) has invigorated the focus on the discovery and development of novel therapeutic agents and treatment options. Thiazolidinone-based compounds have shown good antitubercular properties <i>in vitro</i>. Here, we report the design and synthesis of a number of new derivatives inspired by the structure of thiazolidine-2,4-dione (TZD). The TZD-based hybrids with the thiosemicarbazone or the pyridinecarbohydrazone moiety were synthesised and their antimycobacterial activity was investigated against the reference H<sub>37</sub>Rv and two wild <i>Mycobacterium tuberculosis</i> (<i>Mtb</i>) strains. In further studies, a two-drug interaction analysis was also performed for assessing their synergism with the current first-line drugs used for the treatment of TB. It was found that some of the compounds showed high antimycobacterial activity with MICs (0.078-0.283 µM) and a synergistic effect with isoniazid or rifampicin, thereby demonstrating their potential as a promising scaffold for the development of novel coadjuvants for the effective treatment of TB.</p>","PeriodicalId":15769,"journal":{"name":"Journal of Enzyme Inhibition and Medicinal Chemistry","volume":"40 1","pages":"2442703"},"PeriodicalIF":5.6,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142921572","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Astrid Mayleth Rivera Antonio, Itzia Irene Padilla Martínez, Mónica A Torres-Ramos, Martha Cecilia Rosales-Hernández
{"title":"Myeloperoxidase as a therapeutic target for oxidative damage in Alzheimer's disease.","authors":"Astrid Mayleth Rivera Antonio, Itzia Irene Padilla Martínez, Mónica A Torres-Ramos, Martha Cecilia Rosales-Hernández","doi":"10.1080/14756366.2025.2456282","DOIUrl":"https://doi.org/10.1080/14756366.2025.2456282","url":null,"abstract":"<p><p>Alzheimer's disease (AD) is a major neurodegenerative disorder more common in older adults. One of the leading AD hypotheses involves the amyloid beta (A) production, it is associated to oxidative stress, neuroinflammation, and neurovascular damage. The interaction of A with the blood vessel wall contributes to the disruption of the blood-brain barrier (BBB), allowing neutrophil infiltration containing the myeloperoxidase enzyme (MPO), which produces hypochlorous acid (HOCl) a potent oxidant. Also, MPO could be released from the microglia cells and interact with the amyloid beta plaques. This review aims to study the role of MPO in the progression of AD, in particular its contribution to oxidative stress and neuroinflammation. Furthermore, to explore the MPO-potential as AD-biomarker to evaluate the therapeutic potential of its inhibitors to mitigate the neurotoxicity. Finally, revise MPO inhibitors that could act as dual inhibitors acting on MPO and acetylcholinesterase and or another target involved in AD.</p>","PeriodicalId":15769,"journal":{"name":"Journal of Enzyme Inhibition and Medicinal Chemistry","volume":"40 1","pages":"2456282"},"PeriodicalIF":5.6,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143414438","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}