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Search Results (1,097)

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Keywords = PI3K/AKT/mTOR pathway

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24 pages, 2466 KB  
Review
Microbial Genomic Consortia in Prostate Cancer: Mechanistic Signaling, the Gut–Prostate Axis, and Translational Perspectives
by Eduardo Pérez-Campos Mayoral, Laura Pérez-Campos Mayoral, María Teresa Hernández-Huerta, Hector Alejandro Cabrera-Fuentes, Efrén Emmanuel Jarquín-González, Héctor Martínez-Ruiz, Margarito Martínez-Cruz, Carlos Romero-Diaz, Miriam Emily Avendaño-Villegas, Gabriel Mayoral-Andrade, Carlos Mauricio Lastre-Domínguez, Edgar Zenteno, María del Socorro Pina-Canseco, Primitivo Ismael Olivera González, Lucia Martínez-Martínez, Bernardo Rodrigo Santiago-Luna, Javier Vázquez-Pérez, Andrea Paola Cruz-Pérez, Diana Palmero-Alcántara, Tania Sinaí Santiago-Ramírez, Erico Briones-Guerash, Abelardo Augusto Ramírez-Davila, Juan de Dios Ruiz-Rosado and Eduardo Pérez-Camposadd Show full author list remove Hide full author list
Cancers 2026, 18(8), 1219; https://doi.org/10.3390/cancers18081219 - 12 Apr 2026
Abstract
Background: Prostate cancer (PCa) arises from complex interactions among host genetics, androgen signaling, and microbial communities. Emerging genomic evidence supports the presence of microbial consortia within prostate tissue, suggesting that microbial genes, metabolites, and host–microbe interactions may contribute to chronic inflammation, oncogenic signaling, [...] Read more.
Background: Prostate cancer (PCa) arises from complex interactions among host genetics, androgen signaling, and microbial communities. Emerging genomic evidence supports the presence of microbial consortia within prostate tissue, suggesting that microbial genes, metabolites, and host–microbe interactions may contribute to chronic inflammation, oncogenic signaling, and therapeutic resistance. Methods: We conducted a narrative review using targeted searches of PubMed and Google Scholar for studies published between 2020 and 2025, complemented by selected mechanistic reports published in March 2026. Human studies and experimental research providing mechanistic insights into prostate models were prioritized. Due to the heterogeneous methodologies, evidence was synthesized qualitatively, with an emphasis on genomic and signaling perspectives. Results: Low-biomass microbial DNA is consistently detected in prostate tissue. Proteomic analyses of Corpora amylacea suggest a “fossil record” of past infections through sequestered microbial DNA and antimicrobial proteins, potentially priming tissue for long-term carcinogenic processes, although contamination remains a key limitation. Recurrent bacterial and viral signals, including Cutibacterium acnes, Escherichia coli, Pseudomonas, Acinetobacter, human papillomavirus, Epstein–Barr virus, and cytomegalovirus, appear to converge on a restricted set of tumor-relevant pathways, including TLR–NF-κB, MAPK, PI3K/AKT/mTOR, cGAS–STING, and p53/pRb disruption. These interactions may promote cytokine production, oxidative stress, DNA damage, epithelial–mesenchymal transition, extracellular matrix remodeling, immune evasion, and resistance to therapy. The gut–prostate axis further links intestinal dysbiosis and microbial metabolites with systemic IGF-1 signaling and castration resistance. Conclusions: Microbial genomic consortia in the prostate and gut may shape inflammatory, metabolic, and immune networks that influence PCa initiation and progression. However, most available data remain correlative and are limited by low-biomass sampling, contamination risk, and heterogeneous study designs. Future research should prioritize rigorous contamination control, longitudinal and prostate-specific mechanistic studies, and integrated multi-omic approaches to clarify causality and identify actionable microbial targets for prevention, diagnosis, and therapy. Full article
(This article belongs to the Section Molecular Cancer Biology)
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22 pages, 2071 KB  
Review
The Emerging Role of Senolytics as a Next-Generation Strategy Against Glioma Recurrence: A Narrative Review
by Andrea Filardo, Isabella Coscarella, Jessica Bria, Anna Di Vito, Domenico La Torre, Emanuela Chiarella, Adele Giovinazzo, Emanuela Procopio, Maria Teresa Egiziano, Angelo Lavano and Attilio Della Torre
Cancers 2026, 18(8), 1220; https://doi.org/10.3390/cancers18081220 - 12 Apr 2026
Abstract
Cellular senescence represents a critical biological paradox in oncology. Although it evolved as a safety mechanism to halt tumorigenesis through stable cell cycle arrest, its persistence in tissues can alter the microenvironment, promoting tumor recurrence. In the context of glioblastoma (GBM), this phenomenon [...] Read more.
Cellular senescence represents a critical biological paradox in oncology. Although it evolved as a safety mechanism to halt tumorigenesis through stable cell cycle arrest, its persistence in tissues can alter the microenvironment, promoting tumor recurrence. In the context of glioblastoma (GBM), this phenomenon is critically important, as current standard therapies, such as radiotherapy and chemotherapy, inadvertently induce a state of senescence known as “therapy-induced senescence” (TIS). Senescent cells remain metabolically active and acquire a unique Senescence-Associated Secretory Phenotype (SASP), characterized by the release of pro-inflammatory cytokines, proteases, and growth factors. SASP reshapes the tumor microenvironment (TME) through paracrine signals, promoting immunosuppression, invasiveness, drug resistance and tumor recurrence. Different glial populations, including astrocytes, microglia, and oligodendrocyte precursor cells (OPCs), respond differently to senescence, specifically contributing to the creation of a permissive niche for tumor recurrence. To contrast the effects of this phenomenon, a promising therapeutic strategy has emerged, the “one-two punch,” which induces initial DNA damage followed by selective elimination of senescent cells with senolytic drugs. In this review, we analyze in detail the efficacy of targeted synthetic agents, such as the Bcl-2 family inhibitor Navitoclax, and natural bioactive compounds such as Quercetin and Fisetin. The analysis focuses on the molecular mechanisms through which these agents disrupt anti-apoptotic pathways (SCAPs) and inhibit the PI3K/AKT/mTOR axis, restoring sensitivity to apoptosis. We propose that the integration of senolytic adjuvants into standard clinical protocols may represent a crucial frontier for eliminating residual disease reservoirs and we also suggest the possibility of combining them with molecules with neuroprotective action to significantly improve the prognosis in GBM. Full article
(This article belongs to the Collection Treatment of Glioma)
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23 pages, 375 KB  
Review
Endometriosis and Endometrial Cancer—Association Between Biological Mechanisms and Its Clinical Implications
by Karolina Maria Marczuk, Mateusz Bartosz Mamala, Ewa Magdalena Szuster and Marek Murawski
J. Clin. Med. 2026, 15(8), 2891; https://doi.org/10.3390/jcm15082891 - 10 Apr 2026
Viewed by 253
Abstract
Endometriosis and endometrial cancer are distinct gynecological conditions that share overlapping biological mechanisms with implications for clinical management. Endometriosis is a chronic, benign disorder characterized by the ectopic implantation of functional tissue lining the uterus, primarily affecting women of reproductive age. It commonly [...] Read more.
Endometriosis and endometrial cancer are distinct gynecological conditions that share overlapping biological mechanisms with implications for clinical management. Endometriosis is a chronic, benign disorder characterized by the ectopic implantation of functional tissue lining the uterus, primarily affecting women of reproductive age. It commonly causes chronic pelvic pain, dysmenorrhea, dyspareunia, and infertility. The disease is marked by persistent inflammation, hormonal dysregulation, and alterations in cellular signaling, which mirror some neoplastic processes despite lacking malignant potential. Endometrial cancer is a malignant tumor of the uterine lining, most frequently diagnosed in postmenopausal women. Its incidence is rising due to aging, obesity, and prolonged estrogen exposure. Epidemiological studies suggest a modest increase in endometrial cancer risk among women with endometriosis. However, detection bias and metabolic confounders may influence this association. Both conditions share estrogen dependence, chronic inflammatory microenvironments, and dysregulated pathways such as PI3K/AKT/mTOR. Somatic mutations in genes, including PTEN and ARID1A, further underline molecular intersections. Clinical management is tailored to disease type and severity. Endometriosis therapy emphasizes stepwise hormonal treatment, multidisciplinary pain management, and surgery when indicated. Endometrial cancer management relies on staging, with particular emphasis on molecular classification and histopathology to guide surgery, radiotherapy, chemotherapy, hormone therapy, and immunotherapy in advanced cases. Emerging noninvasive biomarkers and precision medicine strategies may enhance diagnosis, monitoring, and targeted treatment in both conditions. Understanding their shared and divergent mechanisms aids risk stratification, individualized therapy, and improved quality of life. Further prospective studies are needed to optimize patient-specific management and translate mechanistic insights into clinical practice. Full article
30 pages, 51650 KB  
Article
Jingangteng Capsule Attenuates Ulcerative Colitis via Maintaining the Homeostasis of Intestinal Microbiota and Metabolites, Inhibiting the PI3K-AKT-mTOR Signaling Pathway
by Jing Li, Yue Xiong, Shiyuan Cheng, Dan Liu, Qiong Wei and Xiaochuan Ye
Pharmaceuticals 2026, 19(4), 589; https://doi.org/10.3390/ph19040589 - 7 Apr 2026
Viewed by 269
Abstract
Background/Objectives: Ulcerative colitis (UC) involves inflammatory response, oxidative stress, changes in metabolites, and the gut microbiota. Jingangteng capsule (JGTC) has been utilized clinically for the treatment of inflammatory diseases for many years. However, the efficacy of JGTC in ameliorating UC remains unclear, [...] Read more.
Background/Objectives: Ulcerative colitis (UC) involves inflammatory response, oxidative stress, changes in metabolites, and the gut microbiota. Jingangteng capsule (JGTC) has been utilized clinically for the treatment of inflammatory diseases for many years. However, the efficacy of JGTC in ameliorating UC remains unclear, and the underlying mechanisms have not yet been elucidated. This study aims to investigate the effect and mechanism of JGTC on UC. Methods: The chemical compositions of JGTC were examined using ultra-high-performance liquid chromatography with quadrupole time-of-fight mass spectrometry. The anti-UC effect of JGTC was evaluated by assessing the disease activity index (DAI), colon length, intestinal barrier recovery, and inflammatory factors in a dextran sulfate sodium (DSS)-induced colitis model. Mechanisms were investigated through fecal 16S rDNA sequencing, metabolomics analysis, enzyme-linked immunosorbent assay (ELISA), Western blotting, and network pharmacology analysis. Results: JGTC significantly reduced the DAI scores in UC mice, increased their body weight and colon length (p < 0.001), repairing damaged intestinal tissue. It decreased the levels of inflammatory cytokines TNF-α, IL-6, IL-1β, and LPS (p < 0.01, p < 0.001), alleviating intestinal inflammation. It also raised the expression of tight junction proteins ZO-1, Claudin-1, and Occludin (p < 0.05, p < 0.001), thereby enhancing intestinal barrier function. Fecal metabolomic analysis revealed that the favorable alterations in amino acid and lipid metabolites were more pronounced. Heat maps showed strong correlations between pharmacological indicators and gut microbiota, as well as between the main differential metabolites and gut microbial communities. UPLC-QTOF-MS detection yielded 33 components of JGTC, and network pharmacology analysis based on these components predicted pathways of action of JGTC in UC. Functional pathways closely associated with significantly differential metabolites and metabolic pathways were also investigated. The PI3K-AKT-mTOR pathway was one of them, which is consistent with the conclusions drawn from network pharmacology. JGTC significantly modulated key factors in this pathway, inhibiting the expression of PI3K, Akt, PDK1, and mTOR, while augmenting the expression of PTEN (p < 0.05, p < 0.01, p < 0.001). It also mitigated the levels of related oxidative stress factors MDA, MPO, and D-LA, and raised SOD levels (p < 0.01, p < 0.001). Conclusions: JGTC improved the excessive inflammatory response in UC by regulating intestinal flora and metabolic disorders, affecting the PI3K-AKT-mTOR signaling pathway, restoring intestinal tissue damage and intestinal barrier, and inhibiting inflammatory and oxidative stress factors. Full article
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22 pages, 12907 KB  
Article
Empagliflozin Alleviates Osteoarthritis Progression by Attenuating Inflammation, Restoring Impaired Autophagy, and Ameliorating Chondrocyte Senescence
by Junhong Li, Guihua Yu, Shiheng Wang, Zekai Zhang, Yu Wen, Luting Yu, Xin Gan, Hao Kang, Jinming Zhang and Lu He
Biomedicines 2026, 14(4), 828; https://doi.org/10.3390/biomedicines14040828 - 5 Apr 2026
Viewed by 192
Abstract
Background: Osteoarthritis (OA) is a multifactorial disease, including inflammation, autophagy and senescence. Published work has indicated that empagliflozin (EMP) exhibits robust anti-inflammatory and anti-senescence effects, while its role in autophagy appears paradoxical. Here, we aim to identify the chondroprotective effect of EMP on [...] Read more.
Background: Osteoarthritis (OA) is a multifactorial disease, including inflammation, autophagy and senescence. Published work has indicated that empagliflozin (EMP) exhibits robust anti-inflammatory and anti-senescence effects, while its role in autophagy appears paradoxical. Here, we aim to identify the chondroprotective effect of EMP on OA. Methods: An OA model was established both in vitro, by stimulating primary chondrocytes (isolated from C57BL/6J mice) with IL-1β, and in vivo, by performing (Destabilized medial meniscus) DMM surgery on C57BL/6J mice. (Western blot) WB and (quantitative real-time polymerase chain reaction) qRT-PCR analysis were employed to detect the gene expression. (Immunofluorescence) IF staining was employed to detect the expression and location of target protein. SA-β-gal staining was employed to evaluate cellular senescence. Autophagic flux was assessed using a GFP-RFP-LC3 adenoviral vector. Network pharmacology was applied to identify potential pathways for experimental validation. The effects of EMP in vivo were evaluated by μ-CT, histological and (Immunohistochemistry) IHC staining. Results: EMP promoted anabolism, inhibited the inflammatory response and catabolism in IL-1β stimulated chondrocytes. EMP enhanced autophagic activity and attenuated senescent phenotype in vitro. Mechanistically, EMP regulated the PI3K/Akt/mTOR and AMPK pathways. The chondroprotective effects of EMP were reversed by (3-methyladenine) 3-MA. EMP also ameliorated OA-related phenotype in DMM models. Compared with (Kartogenin) KGN, EMP showed more pronounced suppression of inflammatory and catabolic markers, while both compounds similarly promoted anabolic marker expression. Conclusions: These in vitro and in vivo data collectively indicates that EMP can alleviate OA both in IL-1β stimulated chondrocytes and DMM induced models. Beyond its established role in diabetes management, EMP is evaluated in the context of OA, emerging as a novel and promising therapeutic agent for OA. Full article
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25 pages, 2135 KB  
Review
EGFR Signaling in Colorectal Cancer: Novel Therapeutic Strategies, Predictive Biomarkers, and Counteracting Treatment Resistance
by Noura Abbas, Mohamad Mourad, Hiba Smaily, Layal Al Mahmasani and Ali Shamseddine
Int. J. Mol. Sci. 2026, 27(7), 3265; https://doi.org/10.3390/ijms27073265 - 3 Apr 2026
Viewed by 448
Abstract
Colorectal cancer (CRC) remains a leading cause of cancer morbidity and mortality worldwide, with nearly one quarter of patients presenting with metastatic disease at diagnosis. The epidermal growth factor receptor (EGFR) plays a central role in CRC pathogenesis through activation of downstream RAS [...] Read more.
Colorectal cancer (CRC) remains a leading cause of cancer morbidity and mortality worldwide, with nearly one quarter of patients presenting with metastatic disease at diagnosis. The epidermal growth factor receptor (EGFR) plays a central role in CRC pathogenesis through activation of downstream RAS/RAF/MAPK and PI3K/AKT/mTOR signaling pathways, and has become a major therapeutic target. Anti-EGFR monoclonal antibodies, cetuximab and panitumumab, have demonstrated survival benefit in selected patients, particularly those with left-sided, RAS wild-type tumors. However, primary and acquired resistance limit their efficacy, underscoring the need for predictive biomarkers and novel strategies. This review synthesizes current knowledge of EGFR biology, therapeutic integration, and biomarker development, including RAS and BRAF mutations, MSI status, HER2 amplification, EGFR ligands (AREG/EREG), consensus molecular subtypes, and liquid biopsy applications. We also discuss mechanisms of resistance such as pathway reactivation, receptor mutations, and epithelial-to-mesenchymal transition, alongside emerging approaches, including combination regimens, ctDNA-guided rechallenge, and genotype-specific inhibitors. Collectively, these insights highlight the evolving landscape of precision oncology in CRC and the importance of molecular stratification to optimize EGFR-targeted therapy and overcome resistance. Full article
(This article belongs to the Special Issue Role of EGFR in Colorectal Cancer)
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92 pages, 3288 KB  
Review
Molecularly Targeted Therapies in Oncology: Mechanisms, Resistance, and Combination Strategies
by Klaudia Giercuszkiewicz-Haśnik, Beata Morak-Młodawska and Małgorzata Jeleń
Molecules 2026, 31(7), 1195; https://doi.org/10.3390/molecules31071195 - 3 Apr 2026
Viewed by 316
Abstract
Targeted therapies are reshaping oncology by enabling treatment selection based on actionable molecular alterations, improving precision, and reducing unnecessary toxicity. This review provides an up-to-date overview of current targeted treatment modalities and the medicinal chemistry principles that support their discovery and optimization. We [...] Read more.
Targeted therapies are reshaping oncology by enabling treatment selection based on actionable molecular alterations, improving precision, and reducing unnecessary toxicity. This review provides an up-to-date overview of current targeted treatment modalities and the medicinal chemistry principles that support their discovery and optimization. We synthesize evidence on small-molecule and biologic strategies spanning receptor and non-receptor kinases and their major signaling axes (PI3K-AKT-mTOR and RAS-RAF-MEK-ERK), apoptosis regulation (BCL-2 family), DNA repair via poly(ADP-ribose) polymerase (PARP) inhibition, and epigenetic or metabolic targets including histone deacetylases (HDACs), bromodomain and extra-terminal proteins (BET), and mutant isocitrate dehydrogenases (IDH1/2). Across these areas, we summarize recurrent resistance mechanisms and the rationale for combination or sequential approaches. Biologic targeted therapy is discussed in parallel, including immune checkpoint blockade, antibody–drug conjugates, bispecific antibodies (BsAb), and cell therapies such as chimeric antigen receptor T cells, with emphasis on biomarker-guided patient stratification. Finally, we outline emerging directions beyond canonical nodes, including modulation of the p53-MDM2/MDM4 axis, ferroptosis control through AIFM2/FSP1, and innate immune pathways such as CD47-SIRPa and the stimulator of interferon genes (STING). Overall, the field is shifting from single-target inhibition toward integrated strategies that combine precise molecular targeting with an understanding of signaling network dynamics, resistance evolution, and therapeutic vulnerabilities. Full article
(This article belongs to the Special Issue Synthesis of Anticancer Agents for Targeted Therapy)
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26 pages, 597 KB  
Review
Apple Pomace as a Promising By-Product with High Antioxidant Potential in the Prevention of Aging Processes
by Kamil Wysocki, Maima Matin, Magdalena Koszarska, Cyprian Tomasik, Bogumiła Zima-Kulisiewicz and Nina Strzałkowska
Foods 2026, 15(7), 1174; https://doi.org/10.3390/foods15071174 - 31 Mar 2026
Viewed by 424
Abstract
Aging is closely linked to oxidative stress and inflammation. This review provides a critical overview of the antioxidant compounds present in apple pomace and explores how they may mitigate age-related oxidative damage and inflammatory responses. We focus on the nutritional profile of apple [...] Read more.
Aging is closely linked to oxidative stress and inflammation. This review provides a critical overview of the antioxidant compounds present in apple pomace and explores how they may mitigate age-related oxidative damage and inflammatory responses. We focus on the nutritional profile of apple pomace including its macro- and micronutrients, with particular focus on polyphenols, such as procyanidin tannins, quercetin glycosides (rutin, quercetin-3-glucoside), phloridzin, dietary fiber, vitamins, and lipids alongside current techniques for isolating its bioactive components. Special attention is given to biological pathways through which these compounds influence aging: redox regulation via Nrf2, inflammatory modulation via NF-κB, and metabolic regulation via AMPK, SIRT1 and PI3K/Akt/mTOR. Evidence from in vitro cellular models (HepG2, CCD-986Sk fibroblasts), in vivo rodent studies and limited human pilot trials is summarized, as well as existing and emerging applications of apple pomace in functional foods, cosmeceuticals, and other sectors. Finally, we discuss the challenges and future opportunities in harnessing this by-product of the food industry. Although clinical data remain limited, preclinical findings support the repurposing of apple pomace as a sustainable functional ingredient contributing to healthier aging and circular economy goals. Future long-term randomized controlled trials are necessary to confirm efficacy in humans. Full article
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19 pages, 2176 KB  
Review
Natural Products Targeting Angiogenesis and Tumor Microenvironment in Gastrointestinal Malignancies
by Idris Arslan
Cells 2026, 15(7), 623; https://doi.org/10.3390/cells15070623 - 31 Mar 2026
Viewed by 347
Abstract
Gastrointestinal malignancies remain among the leading causes of cancer-related morbidity and mortality worldwide, largely due to late diagnosis, aggressive tumor progression, and resistance to conventional therapies. Tumor angiogenesis and the tumor microenvironment (TME) play crucial roles in the initiation, growth, and metastatic dissemination [...] Read more.
Gastrointestinal malignancies remain among the leading causes of cancer-related morbidity and mortality worldwide, largely due to late diagnosis, aggressive tumor progression, and resistance to conventional therapies. Tumor angiogenesis and the tumor microenvironment (TME) play crucial roles in the initiation, growth, and metastatic dissemination of gastrointestinal cancers. Hypoxia-driven signaling pathways, including hypoxia-inducible factor-1α (HIF-1α), vascular endothelial growth factor (VEGF), transforming growth factor-β (TGF-β), and inflammatory mediators such as NF-κB and MAPK, are key regulators of these processes. Increasing evidence suggests that natural products derived from medicinal plants and other biological sources may modulate these pathways and exhibit anti-angiogenic, anti-inflammatory, and anti-fibrotic properties. This review summarizes recent findings on natural compounds that influence angiogenesis and tumor microenvironment dynamics through the regulation of molecular pathways involved in hypoxia signaling, extracellular matrix remodeling, fibroblast activation, and inflammatory responses. Compounds such as neotuberostemonine, aloperine, silymarin derivatives, tanshinone IIA, berberine, asiatic acid, and phloretin demonstrate promising biological activities in experimental models by targeting pathways including HIF-1α, PI3K/AKT/mTOR, TGF-β/Smad, and NF-κB signaling. However, further studies focusing on gastrointestinal cancer models and clinical validation are required to translate these preclinical observations into effective therapeutic strategies. Full article
(This article belongs to the Special Issue Cancer and Immune System Interactions)
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41 pages, 15575 KB  
Article
Network Pharmacology-Guided Identification of Candida albicans Secondary Metabolites as Modulators of HIV Latency via Oncogenic Signaling Pathways
by Ernest Oduro-Kwateng, Ugochukwu J. Anyaneji, Asiphe Fanele, Ntokozo Ntanzi, Mahmoud E. Soliman and Nompumelelo P. Mkhwanazi
Int. J. Mol. Sci. 2026, 27(7), 3125; https://doi.org/10.3390/ijms27073125 - 30 Mar 2026
Viewed by 390
Abstract
HIV latency, driven by a complex interplay of host factors, remains a key barrier to viral clearance. Current latency-reversing agents (LRAs) demonstrate limited efficacy and specificity, and none have been approved for clinical use. Although natural products have shown promise as LRAs, the [...] Read more.
HIV latency, driven by a complex interplay of host factors, remains a key barrier to viral clearance. Current latency-reversing agents (LRAs) demonstrate limited efficacy and specificity, and none have been approved for clinical use. Although natural products have shown promise as LRAs, the therapeutic potential of fungal metabolites remains underexplored. Candida albicans, a prevalent human commensal and opportunistic pathogen, produces diverse secondary metabolites that can influence host pathways, affecting latency dynamics. This study aimed to investigate the latency-modulating potential of secondary metabolites of C. albicans using an integrative network pharmacology and computational pipeline. C. albicans secondary metabolites were retrieved from the literature, screened for drug-likeness, and mapped to human targets and biological pathways annotated in HIV latency. Key metabolites, hub genes, and pathways were systematically characterized through network and computational analyses. Six drug-like candidates, identified from 185 absorption, distribution, metabolism, excretion, and toxicity (ADMET)-screened metabolites, collectively mapped to 369 human genes with a 6.5% overlap in HIV latency (176 shared and 20 hub genes). These overlapping genes were significantly enriched for signal transduction, membrane localization, and adaptive responses to chemical stimuli. Kyoto encyclopedia of genes and genomes (KEGG) enrichment revealed oncogenic diseases (non-small cell lung, pancreatic, and prostate cancers) and latency-associated cascades, including PD-L1/PD-1, HIF-1, Ras, PI3K-Akt, calcium, and cAMP signaling. Six hub targets (MAPK1, PIK3CA, MAPK3, EGFR, MTOR, and AKT1) were consistently annotated within the top 30 KEGG pathways and displayed strong binding affinities for MET 15 and MET 119. Molecular dynamics (MD) simulations confirmed favorable binding free energies (BFEs) and stable conformational dynamics for the top-ranked metabolite MET 15. C. albicans secondary metabolites preferentially target oncogenic signaling networks central to HIV latency maintenance, notably PI3K/AKT/MTOR and MAPK/ERK, which regulate cell survival, metabolic homeostasis, and viral transcriptional repression. MET 15 is a top-ranked candidate metabolite for HIV latency-reversing therapeutics and warrants experimental validation in established latency models. Full article
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30 pages, 920 KB  
Review
Biological Activity of Hops (Humulus lupulus L.): Molecular Mechanisms and Significance for Human Health—A Review
by Łukasz Kogut, Czesław Puchalski, Julia Jastrzębska and Grzegorz Zaguła
Nutrients 2026, 18(7), 1056; https://doi.org/10.3390/nu18071056 - 26 Mar 2026
Viewed by 608
Abstract
Introduction/Objective: Common hop (Humulus lupulus L.) is a multi-component plant material that has been extensively studied for its antioxidant, anti-inflammatory, cardioprotective, metabolic, neuroprotective, immunomodulatory and anti-cancer properties. This review summarises current data on the molecular mechanisms of action of hop compounds, their [...] Read more.
Introduction/Objective: Common hop (Humulus lupulus L.) is a multi-component plant material that has been extensively studied for its antioxidant, anti-inflammatory, cardioprotective, metabolic, neuroprotective, immunomodulatory and anti-cancer properties. This review summarises current data on the molecular mechanisms of action of hop compounds, their therapeutic potential, metabolic interactions and biological significance, with particular emphasis on bioavailability, signalling pathways and organ-specific effects. Methods: A comprehensive literature review was conducted, covering in vitro and in vivo studies and available clinical trials analysing the biochemical activity, molecular targets and physiological effects of bioactive compounds in hops. Particular attention was paid to the regulation of oxidative stress, inflammatory signalling, mitochondrial function, metabolic pathways, interactions with the gut microbiota and their impact on the development of chronic diseases. Results: Bioactive compounds in hops modulate numerous key signalling pathways, including NF-κB, Nrf2, AMPK, MAPK, PPAR and PI3K/AKT/mTOR. They have been shown to reduce oxidative stress, inhibit the production of pro-inflammatory cytokines, regulate apoptosis, improve mitochondrial function, and activate endogenous antioxidant systems. Hops have a protective effect in cardiovascular diseases, metabolic disorders, neurodegenerative diseases and selected cancers through anti-inflammatory, anti-proliferative and metabolic mechanisms. In addition, hop compounds modulate the composition and activity of the gut microbiota, which promotes improved metabolic homeostasis. Despite relatively good intestinal absorption, systemic bioavailability remains limited; however, modern delivery systems significantly increase the stability and plasma concentrations of these compounds. Conclusions: Common hops have broad therapeutic potential due to their ability to regulate oxidative, inflammatory, metabolic and apoptotic processes at multiple levels. Their pleiotropic activity makes them a promising candidate for the prevention and treatment of chronic diseases. The development of delivery systems and consideration of the role of the gut microbiota may further increase its clinical application. Full article
(This article belongs to the Section Phytochemicals and Human Health)
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54 pages, 3951 KB  
Review
Conserved Pathways, Divergent Outcomes: A Cross-Species Genomic Perspective on the Cancer–Neurodegeneration Paradox
by Bhargavi Rajarathinam, Durga Nandan, Parvathy Venugopal, Amritha M. Nair, Subin John, Bipin G. Nair and Rajaguru Aradhya
Int. J. Mol. Sci. 2026, 27(7), 2989; https://doi.org/10.3390/ijms27072989 - 25 Mar 2026
Viewed by 635
Abstract
Neurodegeneration and cancer are fundamentally distinct disorders: one signifies gradual neuronal loss while the latter signifies uncontrolled cell growth and survival. However, emerging evidence explores an inverse association between these conditions, suggesting that they do not arise from independent biological processes. Understanding the [...] Read more.
Neurodegeneration and cancer are fundamentally distinct disorders: one signifies gradual neuronal loss while the latter signifies uncontrolled cell growth and survival. However, emerging evidence explores an inverse association between these conditions, suggesting that they do not arise from independent biological processes. Understanding the context-dependent behaviour of major pathways (for example, p53, PI3K/AKT/mTOR, Wnt, and immune–stress signaling) remains pivotal in elucidating the relationship between these two diseases. Pathways promoting early-life fitness, tissue repair, and tumor suppression in dividing cells can become detrimental later in life for post-mitotic neurons. Cross-species genomics studies reveal how evolution has repeatedly adapted these shared networks to balance cancer resistance with survival. Research on species exhibiting exceptional longevity and disease resistance, including naked mole rats and bowhead whales, shows that cancer resistance and longevity are not fixed traits but rather are controlled by precise regulatory mechanisms. In this review, we integrate insights from broad species genomics and multi-omic and single-cell studies to understand how evolutionarily conserved molecular crosstalks diverge at the interface of cancer and neurodegeneration. Full article
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21 pages, 1610 KB  
Review
Ginkgetin: A Promising Multitarget Agent for Diverse Diseases
by Zhitong Sun, Zhijian Rao, Yibing Lu, Xingwen Zheng and Lifang Zheng
Biomolecules 2026, 16(4), 488; https://doi.org/10.3390/biom16040488 - 24 Mar 2026
Viewed by 279
Abstract
Ginkgetin (GK) is a naturally occurring biflavonoid predominantly isolated from Ginkgo biloba and has attracted increasing attention because of its broad pharmacological activities. Structurally, GK belongs to the 3′-8″-linked biflavone subclass, which distinguishes it from other biflavonoids like amentoflavone (the parent compound of [...] Read more.
Ginkgetin (GK) is a naturally occurring biflavonoid predominantly isolated from Ginkgo biloba and has attracted increasing attention because of its broad pharmacological activities. Structurally, GK belongs to the 3′-8″-linked biflavone subclass, which distinguishes it from other biflavonoids like amentoflavone (the parent compound of this subclass) and its monomeric counterparts such as apigenin. This unique C-C linked dimeric architecture confers distinct molecular planarity and lipophilicity, contributing to its enhanced membrane permeability and multitarget engagement capabilities. GK has been shown to exert pleiotropic biological effects in preclinical studies, including anti-inflammatory, antioxidant, antifibrotic, anticancer, neuroprotective, cardioprotective, metabolic regulatory and antibacterial activities. Mechanistically, preclinical evidence indicates that GK functions as a multitarget modulator of key signaling pathways involved in oxidative stress, inflammation, cell death and tissue remodeling, such as nuclear factor erythroid 2–related factor 2/heme oxygenase-1 (Nrf2/HO-1), nuclear factor kappa-B(NF-κB), Janus kinase/signal transducer and activator of transcription(JAK/STAT), mitogen-activated protein kinases(MAPKs), AMP-activated protein kinase/mechanistic target of rapamycin(AMPK/mTOR), phosphoinositide 3-kinase/protein kinase B(PI3K/Akt) and cyclic GMP-AMP synthase–stimulator of interferon genes(cGAS–STING). Notably, GK has been observed to display context-dependent regulation of cell fate decisions, including apoptosis, autophagy and ferroptosis, thereby enabling the selective elimination of pathological cells while preserving normal tissue function. Preclinical studies further demonstrate that GK exhibits therapeutic potential across diverse disease systems, including cancer, metabolic disorders, cardiovascular diseases, neurological disorders and musculoskeletal diseases. In addition, emerging evidence highlights its antibacterial and antivirulence properties through the inhibition of biofilm formation and quorum sensing. It is crucial to note, however, that this promising profile is predominantly derived from preclinical studies, and clinical evidence in humans remains to be established. Despite these promising findings, the clinical translation of GK remains limited by challenges related to pharmacokinetics, bioavailability and druggability. This review systematically summarizes the chemical characteristics, pharmacological activities and molecular mechanisms of GK, with an emphasis on its multitarget actions and therapeutic potential across disease systems, and discusses current limitations and future perspectives to facilitate the rational development of GK-based interventions. Full article
(This article belongs to the Section Natural and Bio-derived Molecules)
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28 pages, 790 KB  
Review
Molecular Mechanisms in Oral Squamous Cell Carcinoma: Integrative Roles of Cancer-Associated Fibroblasts, Immune Microenvironment, and Precision Therapeutic Opportunities
by Chung-Che Tsai, Po-Chih Hsu and Chan-Yen Kuo
Int. J. Mol. Sci. 2026, 27(7), 2956; https://doi.org/10.3390/ijms27072956 - 24 Mar 2026
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Abstract
Oral squamous cell carcinoma (OSCC) remains a major global health burden due to aggressive invasion, early metastasis, therapeutic resistance, and poor long-term survival. Beyond tumor-intrinsic genetic and epigenetic alterations, accumulating evidence highlights the critical role of the tumor microenvironment in shaping OSCC progression [...] Read more.
Oral squamous cell carcinoma (OSCC) remains a major global health burden due to aggressive invasion, early metastasis, therapeutic resistance, and poor long-term survival. Beyond tumor-intrinsic genetic and epigenetic alterations, accumulating evidence highlights the critical role of the tumor microenvironment in shaping OSCC progression and clinical outcomes. Cancer-associated fibroblasts (CAFs) and immune cells orchestrate tumor initiation, immune evasion, and recurrence through extracellular matrix remodeling, cytokine signaling, angiogenesis, and metabolic and redox regulation. Key oncogenic pathways, including EGFR/PI3K/AKT/mTOR, TGF-β, Wnt, and Notch, integrate with non-coding RNA networks to reinforce stemness, epithelial–mesenchymal transition, and therapy resistance. Moreover, PD-1/PD-L1-mediated immune escape, CAF-driven biomechanical remodeling, and metabolic reprogramming such as aerobic glycolysis and lipid metabolism contribute to OSCC heterogeneity. This review synthesizes current insights into OSCC across genomic, epigenetic, metabolic, and microenvironmental dimensions, emphasizing CAF biology, immune landscape reprogramming, and non-coding RNA regulation. We further discuss emerging biomarkers, liquid biopsy approaches, and targeted therapeutic strategies, providing a system-level framework for biomarker-guided stratification and precision combination therapies in OSCC. Full article
(This article belongs to the Special Issue Oral Cancer: From Molecular Mechanisms to Therapeutics)
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23 pages, 1342 KB  
Review
Multi-Targeted Mechanisms of Phytochemicals in Mitigating Cadmium-Induced Breast Cancer
by Fidara F. Fidudusola, Caroline O. Odewumi, Lekan M. Latinwo, Oluwatobi A. Oguntunde, Samia S. Messeha and Karam F. A. Soliman
Medicines 2026, 13(2), 11; https://doi.org/10.3390/medicines13020011 - 24 Mar 2026
Viewed by 323
Abstract
Cadmium (Cd) is an environmental toxicant originating from both natural processes and human activities. Cd has been strongly associated with multiple diseases, including breast cancer (BC). Background/Objective: Environmental Cd exposure represents a significant contributor to BC onset and progression. Cd-induced breast carcinogenesis [...] Read more.
Cadmium (Cd) is an environmental toxicant originating from both natural processes and human activities. Cd has been strongly associated with multiple diseases, including breast cancer (BC). Background/Objective: Environmental Cd exposure represents a significant contributor to BC onset and progression. Cd-induced breast carcinogenesis is driven by a constellation of molecular events, including DNA damage, oxidative stress (OS), and the dysregulation of key signaling pathways. These include the ERK/JNK/p38 MAPK cascade, the PI3K/AKT/mTOR axis, NF κB activation, and Wnt signaling, all of which collectively promote tumor initiation, survival, and metastasis. This review underscores the complex interplay between Cd exposure and its effects on cancer-triggering factors. Methods: The complexity of the mechanisms Cd-induced BC, underlying Cd-induced BC makes it challenging to treat, highlighting the need for novel therapeutic strategies that complement or enhance conventional chemotherapy. Therefore, this review was developed by reviewing the literature and presenting the different aspects of the challenge associated with Cd exposure and BC therapy. Results: Phytochemicals, especially phenolics, alkaloids, carotenoids, terpenoids, and related plant-derived compounds, have emerged as promising candidates for mitigating Cd-induced BC. Their antioxidants, anti-estrogenic, and anti-inflammatory properties position them as potential chemopreventive and therapeutic agents capable of counteracting Cd’s molecular toxicity. Conclusions: The review presents current evidence linking Cd exposure to BC development and highlights the protective potential of selected phytochemicals in preventing or attenuating Cd-induced BC. Understanding these interactions reinforces the importance of phytochemical-based interventions as a strategy to reduce Cd-related cancer risk and support breast health. Full article
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