Journal of Translational Medicine
·
2024
·Vol. 22
·期 1
·1-19
·
IF 6.1
Qin Qian,Shan Zhiyan,Xing Lei,Jiang Yutong,Li Mengyue,Fan Linlin,Zeng Xin,Ma Xinrui,Zheng Danyang,Wang Han,Wang Hui,Liu Hao,Liang Shengjun,Wu Lijie,Liang Shuang
Autism spectrum disorder (ASD) is a multifaceted neurodevelopmental disorder predominant in childhood. Despite existing treatments, the benefits are still limited. This study explored the effectiveness of mesenchymal stem cell-derived extracellular vesicles (MSC-EVs) loaded with miR-137 in enhancing autism-like behaviors and mitigating neuroinflammation. Utilizing BTBR mice as an autism model, the study demonstrated that intranasal administration of MSC-miR137-EVs ameliorates autism-like behaviors and inhibits pro-inflammatory factors via the TLR4/NF-κB pathway. In vitro evaluation of LPS-activated BV2 cells revealed that MSC-miR137-EVs target the TLR4/NF-κB pathway through miR-137 inhibits proinflammatory M1 microglia. Moreover, bioinformatics analysis identified that MSC-EVs are rich in miR-146a-5p, which targets the TRAF6/NF-κB signaling pathway. In summary, the findings suggest that the integration of MSC-EVs with miR-137 may be a promising therapeutic strategy for ASD, which is worthy of clinical adoption.
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Journal of Inflammation Research
·
2025
·
IF 4.1
Bingyan Gu,Yuying Chen,Huifang Xu,Kunyu Zhan,Keying Zhu,Huan Luo,Yanqun Huang,Hanbing Zeng,Wenbiao Zheng,Kun Tian,Hongfeng Ruan
Purpose Chlorpyrifos (CPF), a widely used organophosphate pesticide in agriculture, particularly in China, has raised significant environmental and health concerns due to its persistence and bioaccumulation. While CPF-induced toxicity in multiple organ systems has been documented, its long-term impact on thyroid homeostasis and the underlying mechanisms remain poorly understood. This study aimed to investigate the subchronic effects of CPF on thyroid function and elucidate the underlying mechanisms of CPF-induced thyroid toxicity.Methods The study utilized 4-week-old male C57BL/6J mice as experimental subjects. These mice were exposed to CPF via intragastric gavage at doses of 3 or 6 mg/kg for a duration of 8 weeks. Throughout the study period, various parameters were assessed, including body weight, serum antioxidant capacity, thyroid endocrine function and structure, apoptosis markers, inflammatory cytokines, and relevant molecular pathways.Results The study revealed that CPF exposure resulted in significant systemic toxicity, manifested through reduced body weight and impaired serum antioxidant capacity. Examination of thyroid-specific effects showed disrupted thyroid endocrine function and structure, accompanied by increased apoptosis and elevated inflammatory cytokines. At the molecular level, CPF significantly stimulated thyroid follicle cell pyroptosis by upregulating the expression of Nlrp3, Caspase-1, and Gsdmd. Further mechanistic analysis demonstrated that CPF activated thyroid follicular cell pyroptosis by modulating the Nrf2/Keap1 antioxidative pathway and enhancing phosphorylation of p65 via NF-κB signaling.Conclusion This comprehensive investigation provides novel insights into the mechanisms of CPF-induced thyroid toxicity. The findings demonstrate that CPF exposure compromises thyroid homeostasis through the induction of follicular cell pyroptosis and modulation of the Nrf2/Keap1/NF-κB signaling axis, highlighting the potential health risks associated with CPF exposure and its impact on thyroid function.
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FASEB JOURNAL
·
2025
·Vol. 39
·期 16
·e70906
·
IF 4.2
Lina Wei,Lei Wang,Yang Yu,Xiaozhou Sun,Liang Liu,Jing Han,Yongji Wang,Yinan Guo
Pediatric bacterial pneumonia continues to pose a significant global health burden, often resulting in serious complications. Recent studies have emphasized the pivotal role of the gut-lung axis in the progression of respiratory diseases, wherein disruptions in gut microbiota can aggravate pulmonary inflammation. This research investigates the underlying mechanisms by which Ma-Xing-Shi-Gan Decoction (MXSG), a classical formula in traditional Chinese medicine, influences the gut-lung axis in the context of childhood bacterial pneumonia. Clinical data indicated pronounced alterations in intestinal microbial composition and a marked decline in short-chain fatty acid (SCFA) levels among affected pediatric patients—changes that coincided with dysfunctional gut-lung signaling. In a murine model of bacterial pneumonia, MXSG administration restored microbial diversity, elevated SCFA production, and attenuated inflammatory responses by suppressing the HDAC3/NF-κB signaling cascade. Key bioactive constituents of MXSG—namely, quercetin, osajin, nobiletin, and solasodine—were identified as critical regulators, modulating lipid metabolism and promoting SCFA biosynthesis. These results highlight the therapeutic promise of MXSG in reestablishing gut-lung homeostasis and shed light on its mechanistic potential in the treatment of pediatric bacterial pneumonia. Graphical This schematic illustrates how MXSG restores gut microbiota diversity and SCFA levels, suppresses HDAC3/NF-κB signaling, and alleviates lung inflammation in pediatric bacterial pneumonia. Integrated multi-omics and mouse model experiments reveal that MXSG modulates the gut-lung axis and provides a novel mechanism for its clinical efficacy.
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JOURNAL OF CELLULAR AND MOLECULAR MEDICINE
·
2025
·Vol. 29
·期 14
·e70659
·
IF 4.2
Hao Wang,Chi Zhang,Jinyue He,Zhuoen He,Shihua Yan,Yuan Zhang,Shiyin Huang,Yangtian Yan,Yuchi Chen,Zhiqiang Xian,Rong Hu,Yanjing Wang,Wei Xiao,Mingqing Wang
Skeletal muscle atrophy is a prevalent complication in chronic kidney disease (CKD), and its pathogenesis is closely related to inflammation and oxidative stress. P-Coumaric acid (PCA) is a phenolic acid with anti-inflammatory and antioxidant pharmacological actions. This research aims to investigate the effect of PCA on CKD-induced muscle atrophy and its underlying mechanism. In our study, in vivo and in vitro models were established by using 5/6 nephrectomized rats and LPS-induced C2C12 myoblasts. The experimental results showed that PCA ameliorated kidney injury in CKD rats and increased skeletal muscle weight and the cross-sectional area of muscle fibres. In both CKD rats and LPS-induced C2C12 myoblasts, PCA also exhibited anti-inflammatory and antioxidant effects, reduced the levels of pro-inflammatory cytokines and enhanced the activity of antioxidant enzymes. Network pharmacology studies have identified 165 common targets between PCA and skeletal muscle atrophy. Furthermore, the experimental results also demonstrated that PCA decreased the expression of TLR4, MyD88, NF-κB p65, MurF1 and MAFbx at both the protein and mRNA levels. Additionally, in vitro experiments showed that the use of TLR4 agonists could reverse the muscle-protective effect of PCA. In summary, this study illustrated that PCA ameliorated skeletal muscle atrophy in CKD rats by inhibiting the TLR4/MyD88/NF-κB pathway.
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PHYTOMEDICINE
·
2025
·
IF 8.3
Xue-Ting Xu,Jun-Kai Fan,Xi Chen,Si-Yi Que,Run-Xin Zhang,Yu-Yan Xie,Tian-Ci Zhou,Kunmei Ji,Zhen-Fu Zhao,Jia-Jie Chen
Background Mast cells (MCs) mediate high-affinity IgE Fc receptor (FcεRI)-mediated allergic reactions. Royal jelly acid (RJA), the major lipid constituent of royal jelly, has anti-inflammatory, anti-tumor, antibacterial, and immunomodulatory properties. Purpose This study aimed to investigate how RJA affects IgE-mediated MC activation and to elucidate mechanisms underlying anti-allergic effects. Methods Mouse bone marrow-derived mast cells (BMMCs) and rat basophilic leukemia cells-2H3 (RBLs) were stimulated with IgE-antigen (Ag). β-hexosaminidase (β-hex) and histamine (HA) release, inflammatory cytokines expression, and cellular morphology changes were examined in stimulated cells. Transcriptome changes associated with RJA-treated activated-MCs were analyzed. Network pharmacology, gene expression, and western blot analyses were employed to explore the relationship between H3 lactylation and anti-allergic effects of RJA on MC. In vivo studies were conducted in IgE-mediated passive cutaneous anaphylaxis (PCA), ovalbumin (OVA)-induced active systemic anaphylaxis (ASA), and HA-induced passive systemic anaphylaxis (PSA) mouse models. Results RJA inhibited IgE-dependent MC activation as evidenced by reduced β-hex and HA release. RJA inhibited MAPK and NF-κB signaling, down-regulated RELA and NFκB1 transcripts, and decreased NF-κB reporter activity. RJA inhibited cellular H3 lactylation and H3K9 lactylation (H3K9la), leading to reduced histone lactyllysine enrichment in RELA or NFκB1 promoter loci. RJA alleviated allergic symptoms in PCA and ASA mice by intraperitoneal injection or oral administration, but did not affect HA-induced hypothermia. Conclusion RJA inhibits IgE-dependent MC activation by reducing cellular H3K9la and suppressing NF-κB signaling via reduced histone lactyllysine enrichment in RELA or NFκB1 promoter sites. RJA may support MC inhibition in the prevention and treatment of allergic diseases.
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Frontiers in Pharmacology
·
2025
·
IF 4.8
Huiping Ou,Zhanpan Wu,Jinhua Ning,Qiufeng Huang,Wancun Wang,Guochun Yang,Yingxun Zhou,Anguo Hou,Peng Li,Lingyun Chen,Wen Bin Jin
Introduction: A series of oridonin hybrids were synthesized and evaluated for anti-inflammatory potential, focusing on their ability to inhibit NO production in RAW264.7 cells and their therapeutic prospects for NLRP3-driven disorders.Methods: Anti-inflammatory activity was assessed by measuring NO inhibition in LPS-stimulated RAW264.7 cells. The most active compound, 4c, was further analyzed using ELISA and WB to evaluate its effects on inflammatory proteins (p-NF-κB, p-IκB, NLRP3, IL-6, IL-1β, COX-2, iNOS). In vivo efficacy was tested in a murine acute lung injury model, with RT‒qPCR and WB used to assess inflammatory markers in lung tissues. Molecular docking predicted 4c’s binding mode with NLRP3, while RNA-seq and RT‒qPCR identified differentially expressed genes.Results: Compound 4c significantly inhibited NO production and suppressed key inflammatory proteins in vitro. In vivo, it alleviated acute lung injury, reduced IL-6 and TNF-α mRNA levels, and inhibited NLRP3, p-NF-κB, and IL-6 protein expression. Docking suggested covalent binding to NLRP3. RNA-seq revealed 4c upregulated Trdc, Stfa2, and Gsta2 while downregulating Spib, Csf2, and Nr4a1.Discussion: Compound 4c demonstrates potent anti-inflammatory effects via NLRP3 pathway inhibition and modulation of inflammatory genes. These findings highlight oridonin hybrids, particularly 4c, as promising candidates for NLRP3-driven inflammatory disorders, warranting further investigation.
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FOOD AND CHEMICAL TOXICOLOGY
·
2024
·
IF 3.9
Yanan Wang,Qianqian Wang,Gaigai Wang,Qiongqiong Zhang,Yongpeng Guo,Xin Su,Yu Tang,Matthew Koci,Jianyun Zhang,Qiugang Ma,Lihong Zhao
Zearalenone (ZEN) poses a potential threat on human and animal health partly through the nuclear factor (NF)-κB signaling pathway. In silico study suggested that rutin effective against TLR4 and NF-κB. A wetting test was designed to evaluate the effect and underlying mechanism of rutin in alleviating ZEN-induced inflammation in animals. Twenty-four female mice were randomly divided into 4 groups: control (basal diet), ZEN group (basal diet + ZEN), rutin group (basic diet + rutin), Z + R group (basal diet + rutin + ZEN). Results showed that rutin effectively alleviated ZEN-induced inflammation and damage of liver and jejunum in mice. Rutin addition reduced the content of lipopolysaccharide (LPS) in serum and liver mainly by improving the intestinal barrier function resulted from the production increase of short-chain fatty acids (SCFA). In sum, this study showed that rutin alleviated ZEN-induced liver inflammation and injury by modulating the gut microbiota, increasing the production of SCFA and improving intestinal barrier function, leading to the decrease of LPS in liver and the inhibition of MyD88 independent NF-κB signaling pathway in mice. Specifically, these findings may provide useful insights into the screening of functional natural compounds and its action mechanism to alleviate ZEN induced liver inflammation.
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INFLAMMATION
·
2019
·Vol. 42
·期 4
·1179-1189
·
IF 2.939
Xue Yu-Long,Zhang Sheng-Xiao,Zheng Chao-Feng,Li Yu-Feng,Zhang Li-Hui,Hao Yu-Fei,Wang Shu,Li Xue-Wen
Signal transducer and activator of transcription 4 (STAT4) has been implicated in the progression of myocarditis. The aim of the current study was to investigate the role by which STAT4 influences autoimmune myocarditis in an attempt to identify a theoretical therapeutic perspective for the condition. After successful establishment of an autoimmune myocarditis rat model, the expression patterns of STAT4, NF-κB pathway–related genes, Th1 inflammatory cytokines (IFN-γ and IL-2), and Th2 inflammatory cytokines (IL-6 and IL-10) were subsequently determined. The rats with autoimmune myocarditis were treated with oe-STAT4 or sh-STAT4 lentiviral vectors to evaluate the role of STAT4 in autoimmune myocarditis, or administrated with 1 mL 10 μmol/L of BAY11-7082 (the NF-κB pathway inhibitor) via tail vein to investigate the effect of the NF-κB pathway on autoimmune myocarditis. Finally, cell apoptosis was evaluated. The serum levels of IFN-γ and IL-2, extent of IκBα and P65 phosphorylation, and the expression of STAT4 were elevated, while the serum levels of IL-6 and IL-10 as well as the expression of IκBα were reduced among the rats with autoimmune myocarditis, which was accompanied by an increase in the apoptotic cells. More importantly, the silencing of STAT4 or the inhibition of the NF-κB pathway was detected to result in a decrease in the serum levels of IFN-γ and IL-2 and an elevation of the serum levels of IL-6 and IL-10, and inhibited myocardial cell apoptosis in rats with autoimmune myocarditis. Moreover, STAT4 silencing was also observed to decrease the extent of IκBα and P65 phosphorylation while acting to elevate the expression of IκBα. Taken together, silencing of STAT4 could hinder the progression of autoimmune myocarditis by balancing the expression of Th1/Th2 inflammatory cytokines via the NF-κB pathway, which may provide a novel target for experimental autoimmune myocarditis (EAM) treatment.
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INFLAMMOPHARMACOLOGY
·
2025
·
IF 5.3
Li Lirong,Huang Rui,Li Wenwen,Yao Dengjie,Zhang Beibei,Li Mengna,Luo Shunan,Qin Yu,Zhang Wenwen
Camellia nitidissima Chi (CNC), whose main composition was gallic acid, catechin, procyanidin-gallate, apigenin-pentosyl-glucoside, vitexin, cyanidin-3-o-glucoside, myricitrin-glucoside, gallocatechin-gallate, epicatechin and rutin, posses sound anti-inflammatory and antioxidant effects. This study aimed to explore the protective effects and mechanisms of the alcoholic extract of CNC on dextran sulfate sodium-induced ulcerative colitis. CNC effectively maintained weight and colon length, and significantly ameliorated colonic histopathological damage. Furthermore, CNC mitigated colitis-induced oxidative stress and exhibited anti-inflammatory properties in UC mice by reducing levels of myeloperoxidase (MPO) and malondialdehyde (MDA), decreasing the production of nitric oxide (NO), prostaglandin E2 (PGE2), interleukin-1β (IL-1β), interleukin-6 (IL-6), and tumor necrosis factor-α (TNF-α). In addition, CNC downregulated the protein expression levels of TLR4, p-NF-κBP65, and p-IκBα of the inflammation-related TLR4/NF-κB signaling pathways. Validation of the molecular docking results also revealed that rutin, the most abundant compound in CNC, interacts with TLR4 and NF-κB protein mainly through hydrogen bonds. CNC also promoted the proliferation of Lactobacillus and Bifidobacterium while reducing the number of Enterococcus , E. coli , Bacteroides, and Peptococcus in mice to improve the intestinal environment and alleviate colitis. CNC inhibited TLR4/NF-κB signaling pathways to relieve inflammation and oxidative damage on UC, is a potential development of natural medicine for UC.
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BASIC & CLINICAL PHARMACOLOGY & TOXICOLOGY
·
2025
·Vol. 136
·期 6
·e70045
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IF 3.3
Dong Yan,Yuanwei Fu,Jie Mei,Junhong Wang,Ayijiang Jiamaliding,Ying Liu,Zanmei Zhao,Qingbian Ma
Phosgene, used in large‐scale industrial production, is highly toxic and irritant. Accidental exposure can lead to varying degrees of injuries, with severe cases potentially resulting in acute lung injury or acute respiratory distress syndrome, resulting in a mortality rate of 40%–50%. The indirect damages of phosgene (inflammation and oxidative stress) are considered important factors in phosgene‐induced acute lung injury (P‐ALI). The expression of Liver X Receptor α (LXRα) significantly reduces during periods of inflammation. LXRs were initially discovered to be highly expressed in the liver, whereas LXRs are expressed in immune cells and vascular endothelial cells, playing a significant role in anti‐inflammatory and antioxidant responses. LXRα may have pulmonary protection in P‐ALI. However, evidence to verify this association is still lacking. In this study, rats were divided into six groups to explore the potential role of LXRα in P‐ALI. This study found that GW3965 effectively activated LXRα, upregulated its expression and downregulated the levels of proinflammatory cytokines, inhibited malondialdehyde activity while enhancing superoxide dismutase activity, suppressed apoptosis and ameliorated the pathological processes of P‐ALI, ultimately exerting pulmonary protection in P‐ALI. Further validation revealed that the pulmonary protective effect of LXRα may be associated with the PI3K/Akt and NF‐kB signalling pathways.
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Food & Function
·
2025
·
IF 5.4
Yi-Long Ma,Zhi Li,Qian-Lan Wu,Jing Li,Xin Guo,Tian-Le Mao,Kiran Thakur,Zhao-Jun Wei
3,5-O-Dicaffeoylquinic acid (3,5-DCQA) from edible Gongju chrysanthemum has shown protective effects against alcoholic hepatocyte injury in our previous study. However, the specific effects and mechanisms of 3,5-DCQA in a mouse model of liver injury remain underexplored. This study aimed to examine the efficacy and primary mechanism of 3,5-DCQA from Gongju chrysanthemum in ameliorating acute alcoholic liver injury in mice. The results indicated that 3,5-DCQA effectively attenuated inflammation and apoptosis by regulating the content of key factors (e.g. MyD88, NF-κB) in the TLR-4/NF-κB pathway, contributing to its protective role against alcohol-induced liver injury. 3,5-DCQA also inhibited inflammation and apoptosis by recovering the key metabolites (e.g. phosphatidylserine) and related genes (e.g. Lpgat1) of glycerophospholipid metabolism. These results were further verified by transcriptomic and metabolomic analyses, showing that 3,5-DCQA exerts protective effects against alcohol-induced liver injury by modulating glycerophospholipid metabolism and suppressing oxidative stress, inflammation, and apoptosis through the TLR-4/NF-κB pathway. The current findings highlight the hepatoprotectivity of 3,5-DCQA and may facilitate the application of Gongju chrysanthemum in liver-protective functional foods.
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CELL BIOLOGY INTERNATIONAL
·
2022
·Vol. 46
·期 5
·806-818
·
IF 4.473
Zhi Cui,Shiqun Sun,Jia Li,Jianing Li,Tong Sha,Jie He,Linjing Zuo
Oral squamous cell carcinoma (OSCC) and hypopharyngeal squamous cell carcinoma (HSCC) are representative of head and neck squamous cell carcinoma (HNSCC) and the molecular pathogenesis has not been completely clarified. Ubiquitin-conjugating enzyme E2 L3 (UBE2L3) is the key member of the E2 family that encodes 153 amino acid residues. Previous studies demonstrate that UBE2L3 is aberrantly overexpressed in various types of human cancers, suggesting that UBE2L3 may function as an oncogene. However, its functional role and the potential mechanisms in the OSCC and HSCC remain unclear. In the present study, we found that UBE2L3 was significantly upregulated in clinical HNSCC samples and HNSCC cell lines, and patients with lower UBE2L3 expression have a higher survival rate. Two HNSCC cell lines FaDu (HSCC cells) and CAL-27 (OSCC cells) with moderate expression of UBE2L3 were selected for in vitro experiments. We proved that UBE2L3 overexpression was positively associated with cellular malignant phenotypes in vitro, including proliferation, invasion, migration, and tumor growth in vivo. Conversely, UBE2L3 suppression diametrically yielded opposing results. Our further study demonstrated that overexpression of UBE2L3 significantly activated the nuclear factor kappa B (NF-κB) signaling pathway through promoting NF-κB p65 nuclear translocation and the ubiquitination and degradation of IκBα protein. Additionally, UBE2L3 was proved to be targeted and negatively regulated by miR-378a-5p, and UBE2L3 overexpression reversed the effects of miR-378a-5p upregulation. Collectively, the present study indicates that UBE2L3 may promote OSCC and HSCC progression via activating the NF-κB signaling by increasing IκBα degradation, indicating that UBE2L3 may be a potential therapeutic target for the treatment of HNSCC.
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