MATERIALS & DESIGN
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2026
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IF 8.2
Yue Peng,Cuiman Tang,Mingcong Niu,Tianyi Xu,QingYu Meng,Xinran Li,Rongheng Ma,Huimin Yu
A traditional medicine-inspired strategy provides a logical framework for constructing carrier-free hybrids. • Precise structural modifications successfully circumvent the inherent bioaccessibility limitations of natural products. • The covalent integration of diverse functional modules enables synergistic therapeutic efficacy against arthritis. • The therapeutic action is closely associated with the modulation of protein kinase B and hypoxia-inducible factor signaling. Curcumin (Cur) possesses potent anti-inflammatory activity but faces clinical challenges due to poor aqueous dispersibility, insufficient membrane affinity, and low bioavailability. Borneol (Bor), a classic “envoy” component in Traditional Chinese Medicine (TCM), exhibits prominent membrane-penetrating properties. Inspired by the “monarch-envoy” compatibility theory, we rationally designed carrier-free hybrids by covalently conjugating Cur (“monarch”) with Bor (“envoy”). Systematic characterization confirmed the successful synthesis and controllable optimization of key properties, including enhanced dispersibility, improved cellular uptake, and favorable biocompatibility. Using rheumatoid arthritis (RA) as a disease model, we identified SCBMS as the optimal formulation owing to its superior dispersibility and uptake, which directly translated into the most potent anti-RA efficacy. The hybrids exerted synergistic multifunctional effects—including robust anti-inflammatory and antioxidant activities—effectively reducing the arthritis index and ameliorating synovial hyperplasia and joint destruction in vivo . Mechanistically, our results indicate a close correlation between the therapeutic effects and the downregulation of the AKT/mTOR/HIF-1α signaling pathway, supporting the involvement of this pathway in the observed anti-RA activity. This study provides a generalizable framework for developing functional hybrids guided by TCM principles and validates their translational potential. Download: Download high-res image (152KB) Download: Download full-size image
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Pharmaceutics
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2026
·Vol. 18
·期 7
·869
·
IF 6.9
Jiangtao Zhou,Yuhui Ge,Ran Li,Zhuoyang Cheng,Jianping Gao,Bin Zheng
Background: Skin photoaging, primarily induced by chronic ultraviolet (UV) radiation exposure, is characterized by dryness, wrinkle formation, pigmentation abnormalities, and reduced skin elasticity, resulting from oxidative stress, inflammation, and degradation of the extracellular matrix. Codonopsis pilosula , a traditional food–medicine homologous plant, is recognized for its anti-aging properties. However, its lipophilic components (designated as CP-L) remain insufficiently explored. Methods: Herein, we developed a thermosensitive nanogel encapsulating CP-L-loaded transferosomes (CP-L nanogel) to enhance topical delivery and evaluated its effects in both a UV-induced photoaging mouse model and UVB-irradiated HaCaT keratinocytes. Results: In UV-induced mice, topical application of the nanogel markedly reduced skin wrinkling and epidermal hyperplasia, with epidermal thickness decreased by 83.2% compared to the model group ( p < 0.01), and restored skin elasticity and collagen deposition, as evidenced by a 35.5% increase in collagen area fraction ( p < 0.01). Correspondingly, in UVB-irradiated HaCaT cells, it significantly increased cell viability from 53.0 ± 9.6% to 89.4 ± 1.0% ( p < 0.01) and suppressed apoptosis from 30.1 ± 0.48% to 12.4 ± 0.66% ( p < 0.01). Furthermore, the CP-L nanogel consistently attenuated oxidative stress, with SOD, CAT, and GSH-Px activities increased by 73.1%, 188.1%, and 18.2%, respectively ( p < 0.01), and MDA levels reduced by 71.0% ( p < 0.01), while inflammatory responses were suppressed, as TNF-α, IL-1α, IL-1β, and IL-6 levels decreased by 28.3%, 22.6%, 12.8% and 31.9%, respectively ( p < 0.01). Mechanistically, transcriptomic and molecular analyses revealed that the nanogel potently inhibited the UV-induced activation of the FGFR/PI3K/AKT/mTOR/p70S6K signaling cascade at both transcriptional and protein levels, with the phosphorylation levels of FGFR, PI3K, AKT, mTOR, and p70S6K significantly reduced by 43.9%, 30.9%, 38.8%, 34.9%, and 57.3%, respectively ( p < 0.01). Molecular docking and dynamics simulations identified isofuranodienone and aromadendrene oxide-(2) as key constituents with high-affinity, stable binding to FGFR1 and AKT1. The cytoprotective effect of the nanogel was completely abolished by co-treatment with the FGFR inhibitor PD173074 , confirming functional reliance on this pathway. Enhanced cellular delivery of the formulation was directly demonstrated by flow cytometry, showing an approximately 1.8-fold increase in cellular uptake compared to the free drug ( p < 0.01). Conclusions: Collectively, these results demonstrated that the CP-L nanogel alleviated skin photoaging through a multi-faceted mechanism involving enhanced cellular delivery, potent antioxidant and anti-inflammatory activities, and specific inhibition of the FGFR/PI3K/AKT/mTOR signaling cascade, highlighting its potential as a multitargeted topical agent derived from an edible plant.
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高影响因子
TOXICOLOGY AND APPLIED PHARMACOLOGY
·
2025
·
IF 3.4
Yanan Xia,Lihua Feng,Yuzhi Lan,Xiangxiang Chen,Xiaomin Tang,Hengyi Xu,Yang Liu
Children's daily exposure to titanium dioxide nanoparticles (TiO₂ NPs) poses significant risks to the developing testes, yet few studies have examined their impact on young testicular growth. Given ghrelin's established antioxidant and testis-protective effects in animal models, we hypothesized that it could mitigate TiO₂ NPs–induced damage. In this first systematic investigation of young testicular responses, three-week-old male rats received oral gavage of TiO₂ NPs (100, 200, or 400 mg/kg), followed 30 min later by intraperitoneal ghrelin (50 mg/kg) for four weeks. Exposure to TiO₂ NPs disrupted seminiferous tubule architecture and reduced serum levels of key developmental and sex hormones, including IGF-1, FSH, LH, and testosterone. Mechanistically, TiO₂ NPs activated the ROS/AMPK/mTOR signaling pathway, resulting in a marked reduction of SOD, CAT, and GSH activities and the induction of oxidative imbalance, while simultaneously upregulating the autophagy protein ULK1 and autophagy-related genes to trigger excessive autophagy, ultimately compromising testicular architecture and function. We further assessed ghrelin's protective efficacy against TiO₂ NPs-induced reproductive injury in young rats, demonstrating that ghrelin inhibited the ROS/AMPK/mTOR signaling pathway, attenuated oxidative stress, and suppressed excessive autophagy, thereby mitigating testicular injury. These findings represent the first evidence of the developing testicular heightened vulnerability to TiO₂ NPs toxicity and underscore ghrelin's potential as a novel protective intervention. Our study provides new insights into the reproductive toxicology of engineered nanoparticles and supports targeted strategies to safeguard pediatric reproductive health.
研究领域:
毒理学
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生殖健康
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纳米生物学
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高影响因子
International Journal of Nanomedicine
·
2026
·
IF 6.5
Aiqiu Wei,Ziyi Zhong,Yiming Zhang,Jincheng He,Haihe Pang,Xinhua Xia,Xiaoqing Zhang
Purpose: Cantharidin (CTD) is a natural anticancer compound whose clinical application is limited by poor water solubility, low bioavailability, and significant toxicity. To develop a more effective and safer therapeutic strategy, we proposed a synergistic combination therapy by integrating CTD with staurosporine (STS), a protein kinase inhibitor that shares complementary mechanisms of action targeting the mTOR/HIF-1α/VEGF pathway. We further developed an aptamer-guided liposomal nanosystem for the co-delivery of CTD and STS (Apt/CTD-STS/NL), aiming to enhance tumor targeting, improve bioavailability, and reduce the systemic toxicity of both drugs.Methods: We constructed aptamer-guided co-delivery nanoliposomes encapsulating CTD and STS (Apt/CTD-STS/NL). The targeted delivery efficiency, synergistic antitumor efficacy, and biocompatibility of this nanosystem were comprehensively evaluated through both in vitro and in vivo experiments.Results: Apt/CTD-STS/NL achieved approximately 1.3-fold higher cellular uptake in HCC cells compared to non-targeted liposomes in vitro. In vivo, it demonstrated superior tumor accumulation. In a murine HCC model, Apt/CTD-STS/NL exhibited the strongest tumor growth inhibition (79.50 ± 4.39%), significantly outperforming free CTD, STS, or single-drug loaded liposomes. Mechanistic studies revealed that the core synergy between CTD and STS enabled simultaneous inhibition of the key oncoproteins mTOR, HIF-1α, and VEGF, thereby disrupting tumor proliferation, survival, and angiogenesis.Conclusion: This study demonstrates a novel targeted nanoplatform that combines an active ingredient from traditional Chinese medicine with a modern kinase inhibitor. This strategy achieves a synergistic anti-HCC effect through multi-pathway inhibition and offers a promising approach for cancer therapy with enhanced efficacy and reduced toxicity.
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JOURNAL OF MOLECULAR HISTOLOGY
·
2026
·Vol. 57
·期 1
·30
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IF 2.2
Xiang Shouyu,Liu Wei,Tang Cheng,Xie Chuhai,Hu Hailan,Zhou Jianhui,Cao Yanming,Ling Long
Bone marrow mesenchymal stem cells (BMSCs) play a significant role in bone defect repair. Currently, the limited survival and function of transplanted BMSCs pose major obstacles to tissue repair mediated by these cells. Therefore, the exploration of BMSCs transplantation activity has become an urgent clinical problem. In this experiment, we constructed lentiviral vectors with overexpression and silencing of miR-19b-3p and utilized a rat fracture model. The effects of BMSCs proliferation were examined using CCK-8, the Annexin V-FITC apoptosis kit and TUNEL assay, the effects of BMSCs osteogenic differentiation were detected using ALP and Alizarin red staining. Furthermore, Western blotting and qRT-PCR were employed to examine the expression of key proteins in the PTEN/Akt/mTOR signaling pathway and autophagy-related proteins. Moreover, the impact of miR-19b-3p on bone microstructure was assessed using Micro CT, HE, Safranin O/Fast Green, as well as Masson staining, and Immunohistochemistry analysis examined PTEN, p62 and Runx2 expression levels on fracture site. By constructing lentiviral vectors with overexpression and silencing of miR-19b-3p, we found that silencing miR-19b-3p significantly promoted the proliferation as well as the osteogenic differentiation of BMSCs under hypoxia. Western blotting and qRT-PCR results showed that silencing miR-19b-3p significantly increased PTEN, LC3, and Beclin1 expression while decreasing p-Akt, p-mTOR, and p62 expression. Furthermore, by constructing the fracture rats and administering hypoxia-treated BMSCs transfected with miR-19b-3p via tail vein injection, we found that silencing miR-19b-3p obviously increased the formation of trabecular and promoted the healing of the fractures. Immunohistochemistry analysis showed that silencing miR-19b-3p upregulated PTEN and Runx2 expression levels and suppressed p62 expression with statistical significance. In summary, these findings suggest that miR-19b-3p may regulate BMSCs’ autophagy and osteogenic differentiation under hypoxia via the PTEN/Akt/mTOR signaling pathway, thereby promoting fracture healing and providing a potential target for the treatment of fractures.
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高影响因子
AQUACULTURE RESEARCH
·
2023
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IF 2
Kai Liao,Qian Zhang,Yangyang Qiu,Yuxiang Zhu,Yang Liu,Hailong Huang,Deshui Chen,Bin Ma,Lin Zhang,Zhaoshou Ran,Xiaojun Yan,Jilin Xu
It is of great significance for bivalve aquaculture to promote the growth through nutritional strategy. Phosphatidic acid (PA) is a potential growth-promoting nutraceutical that targets for mammalian target of rapamycin (mTOR) in vertebrates, but its role in invertebrates remains largely unknown. Here, the effects of PA on mTOR and metabolic pathways in bivalve mollusk Sinonovacula constricta were determined by intramuscular injection with di-18 : 2 PA and di-16 : 0 PA. PA (both di-18 : 2 and di-16 : 0 PA) was found to increase the glycogen concentration in the muscle of S. constricta. Di-16 : 0 PA decreased the triglyceride concentration from 0.143 ± 0.04 mmol/g protein to 0.040 ± 0.018 mmol/g protein. The concentration of Asp, Glu, Ala, Cys, Val, Met, Ile, Leu, Phe, Arg, and Pro was reduced by di-18 : 2 PA or/and di-16 : 0 PA. PA increased the mRNA level of mTOR and the phosphorylation levels of eIF4E binding protein 1 and p70S6 kinase 1. Furthermore, PA decreased the protein level of microtubule-associated protein 1 light chain 3 Ⅱ/Ⅰ and the mRNA level of AMP-activated protein kinase. The mRNA expressions of two key enzymes of glycolysis (pyruvate kinase and glucokinase) were also upregulated by both PA, while the mRNA level of glucose transporter 1 was increased by di-18 : 2 PA. Di-16 : 0 PA decreased the mRNA level of phosphoenolpyruvate carboxykinase. The mRNA levels of sterol responsive element binding protein, fatty acid synthase, and acetyl-CoA carboxylase were increased by both PA. The mRNA level of stearoyl-CoA desaturase was increased by di-18 : 2 PA. Both PA species increased the mRNA levels of key enzymes involved in tricarboxylic acid cycle (citrate synthase and NADP-isocltrate debydrogenase). Our results indicated that PA activated mTOR signaling pathway, subsequently leading to the increase of anabolism and the inhibition of catabolism in S. constricta.
研究领域:
水产养殖
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分子生物学
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营养学
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生物化学
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高影响因子
ACS Nano
·
2023
·
IF 17.1
Fan Yang,Dongju Zhao,Meng Cheng,Yining Liu,Ziyao Chen,Jin Chang,Yan Dou
Metabolic reprogramming that senses brain homeostasis imbalances is necessary to drive detrimental microglial polarization, and specific targeting of this process contributes to the flexible control of pathological inflammatory responses in Alzheimer’s disease (AD), displaying distinctive therapeutic benefits. Herein, glutathione-functionalized gold nanocages loaded with the immunosuppressant fingolimod hydrochloride are developed as brain-targeted and microglia-located immunometabolic reprogramming nanomodulators (GAF NPs) for AD management. By virtue of glutathione-mediated transport properties, this nanomodulator can cross the blood-brain barrier and localize to microglia in AD lesions. Through blocking Akt/mTOR/HIF-1α signaling pathways, GAF NPs not only promote the dominated metabolic shift from glycolysis to oxidative phosphorylation under immune activation but also inhibit transporter-mediated glucose overconsumption by microglia. Correlation analysis based on real-time bioenergetic assessment and 18F-labeled fluorodeoxyglucose (FDG) PET reveals that brain glucose utilization and metabolism restored by GAF NP treatment can serve as a sensitive and effective indicator for microglial M1 to M2 polarization switching, ultimately alleviating neuroinflammation and its derived neurodegeneration as well as ameliorating cognitive decline in AD mice. This work highlights a potential nanomedicine aimed at modifying mTOR-mediated immunometabolic reprogramming to halt energy deprivation-induced AD progression.
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Aging and Disease
·
2023
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IF 7.4
Guoxiang Liu,Xiaoxia Li,Fanghao Yang,Jingyu Qi,Lipeng Shang,Huhu Zhang,Shuang Li,Fenghua Xu,Lingne Li,Huaxin Yu,Yang Li,Xiaolei Dong,Qinghang Song,Feng Zhu,Guang Chen,Can Cao,Liangqian Jiang,Junzhe Su,Lina Yang,Xiaohui Xu,Zhe Zhang,Robert Chunhua Zhao,Bing Li
The senescence of mesenchymal stem cells (MSCs) impairs their regenerative capacity to maintain tissue homeostasis. Numerous studies are focusing on the interventions and mechanisms to attenuate the senescence of MSCs. C-phycocyanin (C-PC) is reported to have multiple functions such as antitumor, antioxidation, anti-inflammation and anti-aging roles, but there is little research about the effects of C-PC on the senescence of MSCs. Here we investigated the roles and mechanism of C-PC on MSCs senescence. In vitro results showed that C-PC could reduce senescence, enhance proliferation, promote the adipogenic and osteogenic differentiation in senescent MSCs induced by oxidative stress. In vivo D-Galactose (D-Gal) induced rats aging models showed C-PC also increased the viability and differentiation of intrinsic senescent bone marrow derived MSCs (BMSCs). Furthermore, C-PC also decreased the levels of oxidative stress markers ROS or MDA, elevated the SOD activity, and increased the anti-inflammatory factors. Proteomic chip analysis showed that C-PC interacted with ZDHHC5, and their interaction was verified by pull down assay. Overexpression of ZDHHC5 aggravated the senescence of MSCs and greatly lessened the beneficial effects of C-PC on senescence. In addition, we found ZDHHC5 regulated autophagy by altering LC3, Beclin1 and PI3K/AKT/mTOR pathway. In summary, our data indicated that C-PC ameliorates the senescence of MSCs through zinc finger Asp-His-His-Cys (DHHC) domain-containing protein 5 (ZDHHC5) mediated autophagy via PI3K/AKT/mTOR pathway. The present study uncovered the key role of autophagy in MSCs senescence and PI3K/AKT/mTOR pathway may be a potential target for anti-senescence studies of MSCs.
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FOOD AND CHEMICAL TOXICOLOGY
·
2023
·
IF 4.3
Xin Xie,Yan Zhu,Huimin Cheng,Haili Li,Yadi Zhang,Rong Wang,Wenyong Li,Fengrui Wu
Long-term exposure to bisphenol A (BPA) in humans may promote ovarian cancer development. In present study, the mechanisms by which BPA mediates the aggression metastatic behavior of ovarian cancer were investigated in vitro/in vivo . The results showed that BPA (10 μM) significantly promoted the proliferation, migration and invasion of human ovarian cancer cells (ES-2 and OVCAR-3 cells); moreover, it promoted ES-2 and OVCAR-3 cell glucose uptake, lactic acid release and intracellular ATP synthesis. After administration of 5 μg/kg/day BPA, tumor volume was increased compared with that in control group. KEGG and GO enrichment analyses showed that the genes from ES-2 cell in 10 μM BPA-treated group were enriched mainly in central carbon metabolism and PI3K-AKT signaling pathway. Then, qRT‒PCR and western blotting results showed that BPA (10 μM) increased the mRNA and protein expression levels of glycolysis-related genes and mTOR, p-AKT HIF-1α and ERα in vitro/vivo ; whereas this effect was reduced after treatment with the ERα inhibitor methyl-piperidino-pyrazole. Furthermore, coimmunoprecipitation and mass spectrometry showed that BPA promoted the direct interaction of ERα with lactate dehydrogenase A. These results show that BPA directly promoted the proliferation, migration and invasion of ovarian cancer cells through the ERα/AKT/mTOR/HIF-1α signaling axis to enhance glycolysis.
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Oxidative Medicine and Cellular Longevity
·
2021
·
IF 6.543
Yanzhuo Zhang,Zhe Lv,Yudong Liu,Huan Cao,Jianwang Yang,Baoshan Wang
A growing amount of evidence has confirmed the crucial role of the prolyl isomerase PIN1 in aging and age-related diseases. However, the mechanism of PIN1 in age-related hearing loss (ARHL) remains unclear. Pathologically, ARHL is primarily due to the loss and dysfunction of hair cells (HCs) and spiral ganglion cells (SGCs) in the cochlea. Therefore, in this study, we aimed to investigate the role of PIN1 in protecting hair cells and auditory HEI-OC1 cells from senescence. Enzyme-linked immunosorbent assays, immunohistochemistry, and immunofluorescence were used to detect the PIN1 protein level in the serum of ARHL patients and C57BL/6 mice in different groups, and in the SGCs and HCs of young and aged C57BL/6 mice. In addition, a model of HEI-OC1 cell senescence induced by H2O2 was used. Adult C57BL/6 mice were treated with juglone, or juglone and NAC, for 4 weeks. Interestingly, we found that the PIN1 protein expression decreased in the serum of patients with ARHL, in senescent HEI-OC1 cells, and in the cochlea of aged mice. Moreover, under H2O2 and juglone treatment, a large amount of ROS was produced, and phosphorylation of p53 was induced. Importantly, PIN1 expression was significantly increased by treatment with the p53 inhibitor pifithrin-α. Overexpression of PIN1 reversed the increased level of p-p53 and rescued HEI-OC1 cells from senescence. Furthermore, PIN1 mediated cellular senescence by the PI3K/Akt/mTOR signaling pathway. In vivo data from C57BL/6 mice showed that treatment with juglone led to hearing loss. Taken together, these findings demonstrated that PIN1 may act as a vital modulator in hair cell and HEI-OC1 cell senescence.
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Frontiers in Pharmacology
·
2021
·
IF 5.811
Su Zuqing,Zeng Kexue,Feng Bing,Tang Lipeng,Sun Chaoyue,Wang Xieqi,Li Caiyun,Zheng Guangjuan,Zhu Ying
Background: Metabolic syndrome is characterized by central obesity, hyperglycemia and hyperlipidemia. Insulin resistance is the leading risk factor for metabolic syndrome. Kun-Dan decoction (KD), a traditional Chinese medicine, has been applied to treat patients with metabolic syndrome for over ten years. It is increasingly recognized that autophagy deficiency is the key cause of metabolic syndrome. Therefore, we aimed to explore whether KD can activate autophagy to improve metabolic syndrome.Methods: Network pharmacology was used to explore the underlying mechanism of KD in the treatment of metabolic syndrome. The high-fat diet-fed rats and oleic acid-induced LO2 cells were employed in our study. Oral glucose tolerance test and insulin tolerance test, obesity and histological examination, serum cholesterol, triglyceride, low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), homeostasis model assessment of insulin resistance (HOMA-IR) and insulin sensitivity in high-fat diet-fed rats were analyzed. Furthermore, the protein expressions of adenosine 5'-monophosphate (AMP)-activated protein kinase (AMPK), phospho-AMPK, mammalian target of rapamycin (mTOR), phospho-mTOR, p62, autophagy related protein (Atg) 5, Atg7, Atg12, Atg13, Atg16L1 and microtubule-associated protein 1A/1B-light chain 3 (LC3)-Ⅱ/Ⅰ were examined in rats and LO2 cells. Moreover, autophagy activator rapamycin and inhibitor 3-methyladenine, and small interfering RNA against Atg7 were utilized to verify the role of autophagy in the treatment of metabolic syndrome by KD in oleic acid-induced LO2 cells.Results: Results from network pharmacology indicated that targeted insulin resistance might be the critical mechanism of KD in the treatment of metabolic syndrome. We found that KD significantly suppressed obesity, serum cholesterol, triglyceride and LDL-C levels and increased serum HDL-C level in high-fat diet-fed rats. Furthermore, KD enhanced insulin sensitivity and attenuated HOMA-IR in high-fat diet-fed rats. Western blot showed that KD could enhance autophagy to increase the insulin sensitivity of high-fat diet-fed rats and oleic acid-induced LO2 cells. Furthermore, 3-methyladenine and small interfering RNA against Atg7 could reverse the protective effect of KD on LO2 cells. However, rapamycin could cooperate with KD to enhance autophagic activation to increase insulin sensitivity in LO2 cells.Conclusion: The induction of autophagy may be the major mechanism for KD to improve insulin resistance and metabolic syndrome.
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International Journal of Medical Sciences
·
2020
·
IF 2.523
Zhao Qu,Yushan Lin,Daniel Kam-Wah Mok,Qingya Bian,William Chi-Shing Tai,Sibao Chen
Triple-Negative Breast Cancer (TNBC) is a most dangerous breast cancer subtype. The naturally occurring sesquiterpene lactone, arnicolide D (AD), has proven effective against a variety of tumors, however, the inhibitory effects of AD against TNBC and the underlying mechanisms remain unclear. In the present study, two TNBC cell lines (MDA-MB-231 and MDA-MB-468) and an MDA-MB-231 xenograft mouse model were employed to investigate the anti-TNBC effects of AD in vitro and in vivo . Cell viability was assessed by MTT assay. Cell cycle arrest and apoptosis were analyzed by flow cytometry. Protein levels were determined by immunoblotting. In vitro studies demonstrated that AD significantly decreased cell viability, and induced G2/M cell cycle arrest and apoptosis. In vivo assays showed that oral administration of 25 or 50 mg/kg AD for 22 days led to a reduction of tumor weights by 24.7% or 41.0%, without appreciable side effects. Mechanistically, AD inhibited the activation of Akt/mTOR and STAT3 signaling pathways. Based on our findings, AD is a promising candidate for development as an adjunctive therapeutic drug for TNBC.
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