Chinese Journal of Natural Medicines
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2021
·
IF 3
Di ZHANG,Bing YANG,Shi-Quan CHANG,Sheng-Suo MA,Jian-Xin SUN,Lin YI,Xing LI,Hui-Mei SHI,Bei JING,Ya-Chun ZHENG,Chun-Lan ZHANG,Feng-Guo CHEN,Guo-Ping ZHAO
This study was to investigate the protective effect of paeoniflorin (PF) on hydrogen peroxide-induced injury. Firstly, “SMILES” of PF was searched in Pubchem and further was used for reverse molecular docking in Swiss Target Prediction database to obtain potential targets. Injury-related molecules were obtained from GeenCards database, and the predicted targets of PF for injury treatment were selected by Wayne diagram. For mechanism analysis, the protein-protein interactions were constructed by String, and the KEGG analysis was conducted in Webgestalt. Then, cell viability and cytotoxicity assay were established by CCK8 assay. Also, the experimental cells were allocated to control, model (200 μmol·L −1 H 2 O 2 ), SB203580 10 μmol·L −1 (200 μmol·L −1 H 2 O 2 + SB203580 10 μmol·L −1 ), PF 50 μmol·L −1 (200 μmol·L −1 H 2 O 2 + PF 50 μmol·L −1 ), and PF 100 μmol·L −1 (200 μmol·L −1 H 2 O 2 + PF 100 μmol·L −1 ) groups. We measured the intracellular ROS, Hoechst 33258 staining, cell apoptosis, the levels of Bcl-xl, Bcl-2, Caspase-3, Cleaved-caspase3, Cleaved-caspase7, TRPA1, TRPV1, and the phosphorylation expression of p38MAPK. There are 96 potential targets that may be associated with PF for injury treatment. Then, we chose the “Inflammatory mediator regulation of TRP channels” pathway for the experimental verification from the first 10 KEGG pathway. In experimental verification, H 2 O 2 decreased the cell viability moderately ( P < 0.05), and 100 μmol·L −1 PF increased the cell viability significantly ( P < 0.05). Depending on the difference of intracellular ROS fluorescence intensity, PF inhibited H 2 O 2 -induced reactive oxygen species production in Schwann cells. In Hoechst 33258 staining, PF reversed the condensed chromatin and apoptotic nuclei following H 2 O 2 treatment. Moreover, Flow cytometry results showed that PF could substantially inhibit H 2 O 2 induced apoptosis ( P < 0.05). Pretreatment with PF obviously reduced the levels of Caspase3, Cleaved-caspase3, Cleaved-caspase7, TRPA1, TRPV1, and the phosphorylation expression of p38MAPK after H 2 O 2 treatment ( P < 0.05), increased the levels of Bcl-2, and Bcl-xl ( P < 0.05). PF inhibited Schwann cell injury and apoptosis induced by hydrogen peroxide, which mechanism was linked to the inhibition of phosphorylation of p38MAPK.
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高影响因子
DRUG DEVELOPMENT RESEARCH
·
2020
·Vol. 82
·期 3
·404-411
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IF 1.902
Xiaolong Sun,Xu Wang,Zhenyu Zhao,Jing Chen,Cheng Li,Gang Zhao
Diabetic foot ulcer (DFU) is an invariably common complication of diabetes, characterized by delayed wound healing process and increased inflammation. Evidence has indicated that paeoniflorin exerts an anti-inflammatory effect in diabetic retinopathy. The current work was aimed to investigate the effect of paeoniflorin on inflammation and wound healing in DFU. DFU rat models by streptozotocin and skin biopsy punch, as well as high glucose-treated human immortalized keratinocytes (HaCaT) were established. Levels of blood glucose, wound contraction and proinflammatory cytokine were detected after paeoniflorin administration. Several essential targets associated with the NF-κB and Nod-like receptor protein-3 (NLRP3) signaling pathways were examined. Results showed markedly down-regulation of interleukin (IL)-1β, IL-18 and tumor necrosis factor-alpha in paeoniflorin-treated DFU rats. Paeoniflorin decreased the expression levels of chemokine receptor CXCR2, nuclear NF-κB and p-IκB (Ser36), as well as increased IκB level. Histological analysis and immunostaining showed lower inflammatory cells with decreased NLRP3 and cleaved caspase-1 levels following paeoniflorin treatment. Further in vitro evidence confirmed that paeoniflorin efficiently inhibited NLRP3 and NF-κB-mediated inflammation in DFU by inhibiting CXCR2. These findings are suggestive of greatly attenuated wound inflammation and better wound healing in paeoniflorin-treated DFU rats. Our study demonstrates that paeoniflorin is a potential therapeutic agent for DFU.
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高影响因子
PHARMACOLOGICAL RESEARCH
·
2019
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IF 5.574
Jin Wen,Bin Xu,Yuchao Sun,Mengqiao Lian,Yanli Li,Yuan Lin,Dapeng Chen,Yunpeng Diao,Marwan Almoiliqy,Li Wang
Intestinal ischemia-reperfusion (I/R) injury is a common pathological process with high clinical morbidity and mortality. Paeoniflorin , a monoterpene glucoside, is found to have diverse health beneficial effects including autophagy modulation, anti-inflammatory, anti-apoptotic, and anti-oxidative effects. Based on our pre-experiments, we proposed that paeoniflorin could ameliorate intestinal I/R injury and restore autophagy through activating LKB1/AMPK signal pathway. Our proposal was verified using rat intestinal I/R model in vivo and intestinal epithelial cell line (IEC-6 cells) hypoxia/reoxygenation (H/R) model in vitro. Our results showed that paeoniflorin pretreatment exerted protective effects in rat intestinal I/R injury by reducing intestinal morphological damage, inflammation, oxidative stress, and apoptosis . Paeoniflorin restored H/R-impaired autophagy flux by up-regulating autophagy-related protein p62/SQSTM1 degradation, LC3II and beclin-1 expression, and autophagosomes synthesis without significantly affecting control IEC-6 cells. Paeoniflorin pretreatment significantly activated LKB1/AMPK signaling pathway by reversing the decreased LKB1 and AMPK phosphorylation without affecting total LKB1 both in vivo and in vitro . LKB1 knockdown reduced AMPK phosphorylation, suppressed LC3II and Beclin-1 level, and decreased the degradation of SQSTM/p62, and the knockdown weakened the effects of paeoniflorin in restoring the impaired autophagy flux in H/R injured IEC-6 cells, suggesting that paeoniflorin mitigated the intestinal I/R-impaired autophagy flux by activating LKB1/AMPK signaling pathway. Our study may provide valuable information for further studies.
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高影响因子
JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS
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2014
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IF 2.829
Shufang Wang,Lulin Chen,Jing Leng,Pinghong Chen,Xiaohui Fan,Yiyu Cheng
Gui-Zhi-Tang was considered to be the most famous formula in Shang-Han-Lun, treating 32 symptoms of disease after adding up or cutting down crude drugs. The chemical constituents in Gui-Zhi-Tang were comprehensively studied by rapid resolution liquid chromatography quadrupole time-of-flight mass spectrometry (RRLC-Q-TOF-MS) combined with rapid resolution liquid chromatography – diode array detector – ion trap mass spectrometry (RRLC-DAD-IT-MS) in this work, and a total number of 187 compounds were detected. Systematic diagnostic ion filtering strategies were recommended for flavonoids and oleanane-type triterpenoids, respectively. On the basis of the summarized strategies, compounds in Glycyrrhizae could be easily classified into flavones, isoflavones, flavanones or chalcones with special structures, and triterpene saponins with different sugar moieties. Consequently, among 187 compounds, 144 ones were confirmed or assumed tentatively. In addition, nine potential novel compounds were reported for the first time. This approach provided a rapid method for characterizing the constituents in Gui-Zhi-Tang, and would be also helpful in other TCM formulae analysis.
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Experimental and Therapeutic Medicine
·
2017
·Vol. 14
·期 6
·5445-5451
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IF 1.261
Jianxin Zhang,Fengchun Wang,Huali Wang,Yanna Wang,Yan Wu,Hui Xu,Chen Su
Paeoniflorin (PAE), a principal bioactive component of Paeonia lactiflora Pall., appears to have antitumor properties. However, the pharmacological activity of PAE in endometrial cancer and the specific mechanisms have remained largely elusive. The present study aimed to determine the antitumor activity of PAE in the human endometrial cancer cell line RL95‑2 and explore the potential mechanisms. Cell proliferation was assessed to evaluate the antitumor effect of PAE towards RL95‑2 cells via a Cell Counting Kit‑8 assay. Protein expression was examined to investigate changes in the signaling pathways of p38 mitogen‑activated protein kinase (MAPK), c‑Jun N‑terminal kinase (JNK), extracellular signal‑regulated kinase (ERK) and nuclear factor (NF)‑κB in RL95‑2 cells during PAE treatment by western blot analysis. The results revealed that PAE significantly and dose‑ and time‑dependently inhibited the proliferation of RL95‑2 cells. In addition, PAE activated MAPK signaling pathways (p38, JNK and ERK) and the NF‑κB signaling pathway. Furthermore, p38 MAPK and NF‑κB inhibitors (SB203580 and MG‑132, respectively) prevented PAE‑induced proliferative inhibition in RL95‑2 cells. However, ERK and JNK inhibitors (PD98059 and BI‑78D3, respectively) did not produce such an inhibition. In conclusion, the present study demonstrated that PAE exerts its anti‑proliferative activity via activating p38 MAPK and NF‑κB signaling pathways in endometrial cancer cells, providing a potential new drug of choice for endometrial cancer therapy.
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高影响因子
Scientific Reports
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2016
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IF 5.228
Shufang Wang,Haiqiang Wang,Yining Liu,Yi Wang,Xiaohui Fan,Yiyu Cheng
The traditional activity-guided approach has the shortcoming of low accuracy and efficiency in discovering active compounds from TCM. In this work, an approach was developed by integrating activity index (AI), liquid chromatography - mass spectrometry (LC-MS), and nuclear magnetic resonance (NMR) to rapidly predict and identify the potential active constituents from TCM. This approach was used to discover and identify the anti-inflammatory constituents from a TCM formula, Gui-Zhi-Jia-Shao-Yao-Tang (GZJSYT). The AI results indicated that, among the 903 constituents detected in GZJSYT by LC-MS, 61 constituents with higher AI values were very likely to have anti-inflammatory activities. And eight potential active constituents of them were isolated and validated to have significant inhibitory effects against NO production on LPS-induced RAW 264.7 cell model. Among them, glycyrrhisoflavone (836), glisoflavanone (893) and isoangustone A (902) were reported to have anti-inflammatory effects for the first time. The proposed approach could be generally applicable for rapid and high efficient discovery of anti-inflammatory constituents from other TCM formulae or natural products.
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Chinese Medicine
·
2024
·Vol. 19
·期 1
·1-17
·
IF 5.3
Gao Jiaming,Guo Hao,Li Junmei,Zhan Min,You Yue,Xin Gaojie,Liu Zixin,Fan Xiaodi,Gao Qinghe,Liu Jianxun,Zhang Yehao,Fu Jianhua
Background Buyang Huanwu Decoction (BYHWD) is a traditional Chinese medicine to treat the syndrome of qi deficiency and blood stasis. Platelets play an important role in regulating thrombus and inflammation after ischemic injury, studies have shown that BYHWD regulate myocardial fibrosis and exert anti-inflammatory effects through IL-17 and TLR4 pathways, but the mechanism of platelet activation by BYHWD in stable coronary heart disease is still unknown. In the present study, model of left anterior descending coronary artery ligation was applied to investigate the mechanisms of BYHWD on modulating platelets hyperreactivity and heart function after fibrosis of ischemic myocardial infarction (MI). Methods Myocardial infarction model was constructed by ligation of the left anterior descending coronary artery. The rats were randomly divided into five groups: sham, model, MI with aspirin (positive), MI with a low dosage of BYHWD (BYHWD-ld) and MI with a high dosage of BYHWD (BYHWD-hd) for 28 days. Results Coronary artery ligation prominently induced left ventricle dysfunction, increased cardiomyocyte fibrosis, which was accompanied by platelets with hyperreactivity, and high levels of inflammatory factors. BYHWD obviously reversed cardiac dysfunction and fibrosis, increased the thickness of the left ventricular wall, and inhibited aggregation ratio and CD62p expression. BYHWD restored the mitochondrial respiration of platelets after MI, concomitant with an increased telomere expression and decreased inflammation. According to the result of transcriptome sequencing, we found that 106 differentially expressed genes compared model with BYHWD treatment. Enrichment analysis screened out the Ras-related protein Rap-1 (Rap1) signaling pathway and platelet activation biological function. Quantitative real-time PCR and Western blotting were applied to found that BYHWD reduced the expression of Rap1/PI3K-Akt/Src-CDC42 genes and attenuated the overactivity of PI3 kinase/Rap1/integrin α(IIb)β(3) pathway. Conclusion BYHWD reduced inflammation and platelet activation via the PI3 kinase/Rap1/integrin α(IIb)β(3) pathway and improved heart function after MI. Graphical Abstract
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高影响因子
PHYTOMEDICINE
·
2024
·
IF 6.7
Zhang Di,Chen Zhenni,Zhuang Zifeng,Jing Bei,Cao Yong,Li Yixuan,Pan Yuwei,Gao Li,Chen Jiaxu,Zhao Guoping
Ethnopharmacological relevance Danggui Sini Decoction (DGSD), which is commonly used to treat sciatica, has been shown to have an analgesic effect, but the underlying mechanisms are unclear. Here, Danggui Sini Decoction was shown to normalize the intestinal microbiota and serum metabolite levels to exert an analgesic effect. Aim of the study This study aimed to elucidate the therapeutic effects of DGSD on sciatica and the underlying mechanisms involved. Methods In this study, we conducted chronic constriction injury (CCI) model. Mecobalamin and DGSD were administered to CCI rats. Behavioural tests were used to examine the therapeutic effects of the drugs. UHPLC was used to identify DGSD components. 16S rRNA gene sequencing analysis of the intestinal flora was used to analyse the effect of DGSD on the intestinal microbiota. UHPLC‒MS/MS was used to identify blood metabolites. KEGG pathway analysis of differentially abundant metabolites was subsequently conducted. ELISA was used to measure the serum inflammatory factor levels, and correlation analysis between the serum inflammatory factor levels and intestinal microbe abundance was conducted. PCR, western blotting, and immunohistochemical staining were used to validate the results of the KEGG pathway analysis. Results After CCI, the rats exhibited obvious thermal hyperalgesia; disruption of sciatic nerve structure; increased IL1α, SP, CCL5, and PGE2 levels; decreased IL10 levels in the blood; increased IL1β, IL6, COX2, MMP9, nNOS, and p-NF-κB levels; and decreased IL4 levels in the sciatic nerve. In addition, CCI led to increased abundances of Peptostreptococcaceae, Leuconostocaceae, Christensenellaceae, Akkermansiaceae, Staphylococcaceae, Romboutsia, Marvinbryantia, Turicibacter, Weissella, UCG-005, Christensenellaceae_R-7_group, Akkermansia, Staphylococcus, Romboutsia_ilealis, Weissella_paramesenteroides, and Akkermansia_muciniphila and decreased abundances of Lactobacillaceae, Lactobacillus, Lactobacillus_murinus, and Lactobacillus_johnsonii. Correlation analysis indicated that Turicibacter abundance was most strongly related to IL1α, PGE2, IL10, and CCL5 levels, while norank_o_Coriobacteriales abundance had the weakest relationship with SP levels. KEGG pathway analysis of the differentially abundant metabolites revealed that the ‘NF-kappa B signalling pathway’ was involved in sciatica. DGSD reduced the levels of inflammatory factors, including IL1α, SP, CCL5, PGE2, IL6, COX2, and MMP9, in the blood and sciatic nerve and inhibited nNOS and NF-κB phosphorylation. DGSD improved the abundance of probiotics, including Lactobacillus and Blautia, and lowered the abundance of harmful bacteria, including Romboutsia, Turicibacter, and Weissella. DGSD promoted the repair of the injured sciatic nerve. Conclusions DGSD can treat sciatica by inhibiting intestinal microbiota disorders induced by CCI in rats, normalizing inflammatory factor levels, and promoting nerve repair.
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高影响因子
JOURNAL OF ETHNOPHARMACOLOGY
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2017
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IF 2.981
Zhongcheng Ke,Gang Wang,Lei Yang,Huihui Qiu,Hao Wu,Mei Du,Juan Chen,Jie Song,Xiaobin Jia,Liang Feng
Ethnopharmacological relevance Radix paeoniae rubra , also known as chishao (CS), is a frequently used traditional Chinese medicine that can promote blood circulation to remove blood stasis . It has been widely used for the prevention and treatment of cardiovascular diseases in China. Although terpene glycoside (TG), the major component in CS, has been shown to possess cardioprotective properties, the mechanism underlying CS-TG's preventive effect against myocardial ischemia injury is unknown. This study was conducted to explore the protective and curative effects of CS-TG against isoproterenol (ISO)-induced myocardial ischemic injury in rats and investigate the underlying myocardial protective mechanisms. Materials and methods A rat model of ISO-induced myocardial ischemia was established to evaluate the protective effect of CS-TG in ameliorating heart injury. Myocardial ischemia was induced by administering ISO (40 mg/kg/d) subcutaneously for 2 days. Serum was collected and analyzed for the levels of different cardiac biomarkers, and heart tissues were isolated and prepared for ATP analysis, glycogen content determination, histopathology assay, and ultrastructure observation. The regulatory effects of CS-TG on myocardial apoptosis in rats were studied by terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) staining, and the levels of cleaved caspase-3, Bax, and Bcl-2 were detected by western blotting . Furthermore, in vitro experiments were conducted to examine whether the CS-TG's cardioprotective effects were linked to the inhibition of apoptosis via activation of the phosphoinositide-3-kinase/serine-threonine kinase AKT/mammalian target of rapamycin (PI3K/AKT/mTOR) pathway. Results CS-TG (300 mg/kg/d) significantly decreased serum levels of creatine kinase and lactate dehydrogenase in ISO-induced myocardial ischemic rats. Analysis of ATP and glycogen contents, myocardial ultrastructure, and pathological examination showed that CS-TG (300 mg/kg/d) significantly improved energy metabolism and alleviated myocardial injury in vivo. In addition, the expression of p-AKT and p-mTOR in rats subjected to CS-TG significantly elevated, while the levels of caspase-3 and Bax/Bcl-2 dramatically reduced. Moreover, treatment with LY294002 , a PI3K inhibitor, abrogated CS-TG (200 μg/mL) induced down-regulation of cleaved caspase-3, Bax/Bcl-2 in the serum. Conclusions CS-TG protects the heart from ISO-induced myocardial ischemia, potentially by improving cardiac energy metabolism and inhibiting cardiomyocyte apoptosis via activation of the PI3K/AKT/mTOR signaling pathway. Thus, CS -TG might be a potential therapeutic candidate for the prevention and treatment of myocardial ischemia.
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高影响因子
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
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2024
·
IF 7.7
Jiarui Liu,Siqi Chen,Zijing Zhang,Xitong Song,Zhiquan Hou,Ziyi Wang,Tao Liu,Liqun Yang,Yunen Liu,Zhonghua Luo
Controlling excessive inflammation of acute wound is an effective means to shorten the healing time. Therefore, targeted control of the inflammatory response of the wound is a promising therapeutic strategy. In this study, paeoniflorin (Pae) was encapsulated in microspheres and combined with oxidized hyaluronic acid hydrogels to prepare the hydrogel loaded with Pae microspheres (Pae-MPs@OHA) to promote the healing of acute wounds in rats. The results demonstrated that the particle size of the Pae-MPs was 6.84 ± 0.51 μm, and the positive charge was 26.87 ± 1.51 mV. The uniform spherical structure of the Pae-MPs was observed by TEM. The Pae-MPs@OHA can maintain colloidal state in the range of 0.1–3.16 Hz. FTIR suggested that Pae could be effectively wrapped in MPs, and SEM indicated that the Pae-MPs@OHA had a uniform network pore structure. The Pae-MPs@OHA can realize the sustained release of Pae for 96 h. Biocompatibility experiments showed that the Pae-MPs@OHA hydrogels were safe and available. The Pae-MPs@OHA hydrogels can accelerate wound healing in rats. HE and masson staining suggested that the Pae-MPs@OHA could reduce inflammatory cell infiltration, promote re-epithelialization and collagen formation. The Pae-MPs@OHA could decrease the number of M1 and increase the number of M2 in macrophages, thus regulating the release of inflammatory factor TNF-α and IL-1β. The results of molecular docking and western blot results also confirmed that the Pae-MPs@OHA could reduce the expression of NF-κB, p NF-κB, NLRP3, ASC and pro-caspase-1. These findings suggest that the Pae-MPs@OHA has great potential for application in the treatment of inflammatory wound.
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高影响因子
Results in Chemistry
·
2025
·
IF 4.2
Yixuan Guo,Wenqian Liu,Bingsen Qi,Ziyi Liu,Jiaxin Wang,Le Yang,Jingcun Sun,Jinlong Qi
Cerebral ischemic stroke (CIS), the most prevalent form of stroke worldwide, exerts substantial impacts on both public health and socioeconomic conditions, particularly among elderly populations. Buyang Huanwu Decoction (BYHWD) has been recognized as a representative herbal formula for the management of ischemic stroke; however, its underlying cellular and molecular mechanisms remain to be fully elucidated. Through network pharmacology prediction and in vitro experimental validation, this study elucidated the BYHWD and its active constituent, quercetin, inhibit the oxygen-glucose deprivation/reperfusion (OGD/R) injury model in HT22 neuronal cells, thereby providing experimental evidence supporting its therapeutic application in CIS. Network pharmacology analysis revealed that BYHWD constituents, including quercetin, kaempferol, stigmasterol, β-sitosterol, and baicalein, exerted their therapeutic effects through multiple signaling pathways such as the PI3K-Akt, IL-17, and TNF signaling pathways, interacting with key protein targets including AKT1, IL6, TNF-α, IL1β, and TP53. The CCK-8 assay results demonstrated that treatment with BYHWD extract and quercetin significantly improved the OGD/R-induced HT22 cells reductions in cell viability ( p < 0.05), with effects showing a concentration-dependent trend observed within a specific concentration range. Further investigations confirmed a direct interaction between quercetin and TNF-α via biomolecular interaction analysis. Moreover, both high, medium, and low concentrations of BYHWD and quercetin significantly reduced TNF-α protein expression in the OGD/R-induced HT22 cells ( p < 0.05). Western blot analysis corroborated the inhibitory effect of quercetin on TNF-α protein expression under the same experimental conditions. BYHWD demonstrates a multi-component, multi-target, and multi-pathway mechanism of action in the treatment of CIS. TNF-α and quercetin are identified as key therapeutic targets and active components, respectively. Both BYHWD and quercetin effectively mitigate TNF-α-mediated inflammatory responses and ameliorate cellular injury in the OGD/R-induced HT22 cells.
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CHEMICAL ENGINEERING JOURNAL
·
2025
·
IF 13.2
Shao-Lu Li,Qiyu Duan,Mengfan Wang,Bo Wu,Ning Yu,Genghao Gong,Yunxia Hu
In recent years, organic solvent nanofiltration (OSN) technology has garnered significant interest owing to its eco-friendly and low-carbon characteristics, offering efficient molecular separation in organic solvents. However, most scalable OSN membranes reported still suffer from the inherent permeability and selectivity trade-off effect, which inevitably hampers their industrial applications. In this study, we design and synthesize a novel bicyclic molecule 2,3,6,7-tetrahydroxy- maleimidoanthracene (THMIA), featuring a rigid, contorted configuration as well as four phenolic reactive groups. By exclusively employing THMIA reacted with trimesoyl chloride (TMC) through interfacial polymerization on a PAN substrate, we fabricate advanced TFC OSN membranes. The optimal THMIA/TMC composite membrane exhibits a high methanol permeance of 20.4 LMH/bar and good solutes retention ability with MWCO value as low as 289 Da. This outstanding separation performance should arise from the synergistic effects of crumpled membrane surface, elevated microporosity and ultra-thin thickness (∼14 nm) of the polyarylate nanofilm. In addition, the THMIA/TMC membrane shows promising prospects for the fast and reliable separation of various active pharmaceutical ingredients (APIs) and recovery of homogeneous organometallic catalyst from organic media. Overall, this study offers some new insights into utilization of the rigid bicyclic molecule as an aqueous IP monomer to facilely construct highly perm-selective OSN membranes.
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危险品化学品经营许可证（带存储）