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Chen J, Zhou L, Li X, Wu X, Li Y, Si L, Deng Y. Protective effect of zerumbone on sepsis-induced acute lung injury through anti-inflammatory and antioxidative activity via NF-κB pathway inhibition and HO-1 activation. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:2241-2255. [PMID: 37812239 DOI: 10.1007/s00210-023-02706-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Accepted: 08/30/2023] [Indexed: 10/10/2023]
Abstract
Sepsis is a systemic illness for which there are no effective preventive or therapeutic therapies. Zerumbone, a natural molecule, has anti-oxidative and anti-inflammatory properties that may help to prevent sepsis. In the present study, we have assessed the protective effect of zerumbone against sepsis-induced acute lung injury (ALI) and its underlying mechanisms. During the experiment, mice were divided into five groups: a sham group, a sepsis-induced ALI group, and three sepsis groups that are pre-treated with zerumbone at different concentrations. We found that zerumbone greatly decreased the sepsis-induced ALI using histological investigations. Also, zerumbone treatment reduced the sepsis-induced inflammatory cytokine concentrations as well as the number of infiltrating inflammatory cells in BALF compared to non-treated sepsis animals. The zerumbone-pretreated sepsis groups had reduced pulmonary myeloperoxidase (MPO) activity than the sepsis groups. Moreover, the mechanism underlying the protective action of zerumbone on sepsis is accomplished by the activation of antioxidant genes such as nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), superoxide dismutase (SOD), and heme oxygenase 1 (HO-1). The obtained results revealed that zerumbone inhibited the sepsis-induced ALI through its anti-inflammatory and antioxidative activity via inhibition of the NF-κB pathway and activation of HO-1 pathway. Our findings demonstrate that zerumbone pretreatment suppresses sepsis-induced ALI via antioxidative activities and anti-inflammatory, implying that zerumbone could be a viable preventive agent for sepsis-induced ALI.
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Affiliation(s)
- Jianjun Chen
- Yancheng First Hospital, Affiliated Hospital of Nanjing University Medical School, Yancheng, Jiangsu Province, China
- Department of Emergency Medicine, The First People's Hospital of Yancheng, Yancheng, Jiangsu Province, China
| | - Liangliang Zhou
- Yancheng First Hospital, Affiliated Hospital of Nanjing University Medical School, Yancheng, Jiangsu Province, China
- Department of Emergency Medicine, The First People's Hospital of Yancheng, Yancheng, Jiangsu Province, China
| | - Xinxin Li
- Yancheng First Hospital, Affiliated Hospital of Nanjing University Medical School, Yancheng, Jiangsu Province, China
- Department of Emergency Medicine, The First People's Hospital of Yancheng, Yancheng, Jiangsu Province, China
| | - Xufeng Wu
- Yancheng First Hospital, Affiliated Hospital of Nanjing University Medical School, Yancheng, Jiangsu Province, China
- Department of Emergency Medicine, The First People's Hospital of Yancheng, Yancheng, Jiangsu Province, China
| | - Yingbin Li
- Yancheng First Hospital, Affiliated Hospital of Nanjing University Medical School, Yancheng, Jiangsu Province, China
- Department of Emergency Medicine, The First People's Hospital of Yancheng, Yancheng, Jiangsu Province, China
| | - Linjie Si
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China.
| | - Yijun Deng
- Yancheng First Hospital, Affiliated Hospital of Nanjing University Medical School, Yancheng, Jiangsu Province, China.
- Department of Emergency Medicine, The First People's Hospital of Yancheng, Yancheng, Jiangsu Province, China.
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Hu D, Wang HJ, Yu LH, Guan ZR, Jiang YP, Hu JH, Yan YX, Zhou ZH, Lou JS. The role of Ginkgo Folium on antitumor: Bioactive constituents and the potential mechanism. JOURNAL OF ETHNOPHARMACOLOGY 2024; 321:117202. [PMID: 37742878 DOI: 10.1016/j.jep.2023.117202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 09/16/2023] [Accepted: 09/16/2023] [Indexed: 09/26/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Ginkgo biloba L. is a well-known and highly regarded resource in Chinese traditional medicine due to its effectiveness and safety. Ginkgo Folium, the leaf of Ginkgo biloba L., contains biologically active constituents with diverse pharmacological activities. Recent studies have shown promising antitumor effects of the bioactive constituents found in Ginkgo Folium against various types of cancer cells, highlighting its potential as a natural source of antitumor agents. Further research is needed to elucidate the underlying mechanisms and optimize its therapeutic potential. AIM OF THE REVIEW To provide a detailed understanding of the pharmacological activities of Ginkgo Folium and its potential therapeutic benefits for cancer patients. MATERIALS AND METHODS In this study, we conducted a thorough and systematic search of multiple online databases, including PubMed, Web of Science, Medline, using relevant keywords such as "Ginkgo Folium," "flavonoids," "terpenoids," "Ginkgo Folium extracts," and "antitumor" to cover a broad range of studies that could inform our review. Additionally, we followed a rigorous selection process to ensure that the studies included in our review met the predetermined inclusion criteria. RESULTS The active constituents of Ginkgo Folium primarily consist of flavonoids and terpenoids, with quercetin, kaempferol, isorhamnetin, ginkgolides, and bilobalide being the major compounds. These active constituents exert their antitumor effects through crucial biological events such as apoptosis, cell cycle arrest, autophagy, and inhibition of invasion and metastasis via modulating diverse signaling pathways. During the process of apoptosis, active constituents primarily exert their effects by modulating the caspase-8 mediated death receptor pathway and caspase-9 mediated mitochondrial pathway via regulating specific signaling pathways. Furthermore, by modulating multiple signaling pathways, active constituents effectively induce G1, G0/G1, G2, and G2/M phase arrest. Among these, the pathways associated with G2/M phase arrest are particularly extensive, with the cyclin-dependent kinases (CDKs) being most involved. Moreover, active constituents primarily mediate autophagy by modulating certain inflammatory factors and stressors, facilitating the fusion stage between autophagosomes and lysosomes. Additionally, through the modulation of specific chemokines and matrix metalloproteinases, active constituents effectively inhibit the processes of epithelial-mesenchymal transition (EMT) and angiogenesis, exerting a significant impact on cellular invasion and migration. Synergistic effects are observed among the active constituents, particularly quercetin and kaempferol. CONCLUSION Active components derived from Ginkgo Folium demonstrate a comprehensive antitumor effect across various levels and pathways, presenting compelling evidence for their potential in new drug development. However, in order to facilitate their broad and adaptable clinical application, further extensive experimental investigations are required to thoroughly explore their efficacy, safety, and underlying mechanisms of action.
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Affiliation(s)
- Die Hu
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China
| | - Hao-Jie Wang
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China
| | - Li-Hua Yu
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China
| | - Zheng-Rong Guan
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China
| | - Ya-Ping Jiang
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China
| | - Jun-Hu Hu
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China
| | - Ya-Xin Yan
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China
| | - Zhao-Huang Zhou
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China
| | - Jian-Shu Lou
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China.
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Rani J, Dhull SB, Rose PK, Kidwai MK. Drug-induced liver injury and anti-hepatotoxic effect of herbal compounds: a metabolic mechanism perspective. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 122:155142. [PMID: 37913641 DOI: 10.1016/j.phymed.2023.155142] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 09/27/2023] [Accepted: 10/10/2023] [Indexed: 11/03/2023]
Abstract
BACKGROUND Drug-induced liver injury (DILI) is the most challenging and thought-provoking liver problem for hepatologists owing to unregulated medication usage in medical practices, nutritional supplements, and botanicals. Due to underreporting, analysis, and identification issues, clinically evaluated medication hepatotoxicity is prevalent yet hard to quantify. PURPOSE This review's primary objective is to thoroughly compare pharmaceutical drugs and herbal compounds that have undergone clinical trials, focusing on their metabolic mechanisms contributing to the onset of liver illnesses and their hepatoprotective effects. METHODS The data was gathered from several online sources, such as PubMed, Scopus, Google Scholar, and Web of Science, using appropriate keywords. RESULTS The prevalence of conventional and herbal medicine is rising. A comprehensive understanding of the metabolic mechanism is necessary to mitigate the hepatotoxicity induced by drugs and facilitate the incorporation or substitution of herbal medicine instead of pharmaceuticals. Moreover, pre-clinical pharmacological research has the potential to facilitate the development of natural products as therapeutic agents, displaying promising possibilities for their eventual clinical implementation. CONCLUSIONS Acetaminophen, isoniazid, rifampicin, diclofenac, and pyrogallol have been identified as the most often reported synthetic drugs that produce hepatotoxicity by oxidative stress, inflammation, apoptosis, and fibrosis during the last several decades. Due to their ability to downregulate many factors (such as cytokines) and activate several enzyme/enzyme systems, herbal substances (such as Gingko biloba extract, curcumin, resveratrol, and silymarin) provide superior protection against harmful mechanisms which induce hepatotoxicity with fewer adverse effects than their synthetic counterparts.
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Affiliation(s)
- Jyoti Rani
- Department of Botany, Chaudhary Devi Lal University, Sirsa 125055, Haryana, India
| | - Sanju Bala Dhull
- Department of Food Science and Technology, Chaudhary Devi Lal University, Sirsa 125055, Haryana, India.
| | - Pawan Kumar Rose
- Department of Energy and Environmental Sciences, Chaudhary Devi Lal University, Sirsa 125055, Haryana, India.
| | - Mohd Kashif Kidwai
- Department of Energy and Environmental Sciences, Chaudhary Devi Lal University, Sirsa 125055, Haryana, India
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Chen X, Wu F, Chen C, Ren Q, Zhang A. Ginkgo Biloba Extract Can Antagonize Subchronic Arsenite Exposure-Induced Hepatocyte Senescence by Inhibiting Oxidative Damage and Inflammation in Rats. Biol Trace Elem Res 2023:10.1007/s12011-023-04021-3. [PMID: 38110608 DOI: 10.1007/s12011-023-04021-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Accepted: 12/11/2023] [Indexed: 12/20/2023]
Abstract
A growing body of evidence suggests that long-term arsenic exposure can induce liver injury. Our previous studies have demonstrated that liver injury occurs in arsenic-poisoning patients and arsenic-exposed rats. However, therapeutic targets are still unclear, and there is a lack of effective drugs. This study aimed to investigate the effects of sodium arsenite (arsenite) exposure on hepatocyte senescence and the intervention effect of ginkgo biloba extract in rats. In this study, 24 male Sprague-Dawley rats (weighing 180-200 g) were randomized into three groups. The control group received a normal diet, and the arsenic-exposed group was given 10 mg/L arsenite for 3 months by free drinking along with a normal diet. The ginkgo biloba extract treatment group was consecutively administered EGb761 (10 mg/kg, by gavage) for 1 month following 2 months of arsenite exposure. Our results showed that exposure to 10 mg/L arsenite induced narrowing of the hepatic sinus space, enlargement of hepatocytes, and increased multinucleated hepatocytes and inflammatory cell infiltration in rat liver tissue compared with the normal control group. Moreover, 10 mg/L arsenite also caused abnormal expression of inflammation-related indices (IL1-β, IL-6, TNF-α), oxidative damage-related indices (SOD, MDA, GPx), and senescence-related proteins (p16, p-p53, E2F1). EGb761 could effectively reduce the pathological damage of liver tissue and antagonize the abnormal expression of liver tissue inflammation and oxidative damage-related indices as well as cellular senescence-related proteins caused by arsenite exposure. Notably, EGb761 reduced the accumulation of arsenic in rat liver tissues. These results suggested that EGb761 could effectively alleviate subchronic arsenic exposure-induced senescence of hepatocytes, which may be achieved partially through inhibiting inflammation and oxidative damage in rats. This study may provide a new therapeutic target for arsenic-induced liver injury.
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Affiliation(s)
- Xiong Chen
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Department of Toxicology, School of Public Health, Guizhou Medical University, Guiyang, 550025, China.
| | - Fan Wu
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Department of Toxicology, School of Public Health, Guizhou Medical University, Guiyang, 550025, China
| | - Cheng Chen
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Department of Toxicology, School of Public Health, Guizhou Medical University, Guiyang, 550025, China
| | - Qian Ren
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Department of Toxicology, School of Public Health, Guizhou Medical University, Guiyang, 550025, China
| | - Aihua Zhang
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Department of Toxicology, School of Public Health, Guizhou Medical University, Guiyang, 550025, China.
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Liang H, Yao J, Miao Y, Sun Y, Gao Y, Sun C, Li R, Xiao H, Feng Q, Qin G, Lu X, Liu Z, Zhang G, Li F, Shao M. Pharmacological activities and effective substances of the component-based Chinese medicine of Ginkgo biloba leaves based on serum pharmacochemistry, metabonomics and network pharmacology. Front Pharmacol 2023; 14:1151447. [PMID: 36969838 PMCID: PMC10036596 DOI: 10.3389/fphar.2023.1151447] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 02/27/2023] [Indexed: 03/12/2023] Open
Abstract
As a potential drug candidate for the treatment of hypertension and complications, it is speculated that the component-based Chinese medicine of Ginkgo biloba leaves (GBCCM) which mainly composed of flavonoid aglycones (FAs) and terpene lactones (TLs) may have different pharmacological effects at different doses or ratios. Taking the normal mice as the study object, metabonomics was conducted by giving different doses of GBCCM. Based on the components of GBCCM absorbed into the blood, the network pharmacological prediction was carried out. By integrating the results of metabonomics and network pharmacology, predict the possible pharmacological effects of GBCCM and conduct experimental verification. It was found that eight of the 19 compounds in GBCCM could be absorbed into the blood. GBCCM mainly affected the signal pathways of unsaturated fatty acid, pyruvate, bile acid, melanin and stem cells. It was speculated that GBCCM might have activities such as lowering blood pressure, regulating stem cell proliferation and melanogenesis. By establishing the models of mushroom tyrosinase, rat bone marrow mesenchymal stem cells (BMSCs) and spontaneously hypertensive rats (SHRs), we found that FAs and TLs showed synergistic effect in hypertension and tyrosinase models, and the optimal ratio was 3:2 (4.4 mg/kg) and 1:1 (0.4 mg/ml), respectively. As effective substances, FAs significantly promoted the proliferation of rat BMSCs on the third and fifth days at the concentration of 0.2 μg/ml (p < 0.05). GBCCM showed a variety of pharmacological effects at different doses and ratios, which provided an important reference for the druggability of GBCCM.
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Affiliation(s)
- Hongbao Liang
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
- Center for Drug Safety Evaluation, Shandong New Time Pharmaceutical Co., Ltd., Linyi, China
- State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Jingchun Yao
- Center for Drug Safety Evaluation, Shandong New Time Pharmaceutical Co., Ltd., Linyi, China
- State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Yu Miao
- Center for Drug Safety Evaluation, Shandong New Time Pharmaceutical Co., Ltd., Linyi, China
- State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Ying Sun
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
- Center for Drug Safety Evaluation, Shandong New Time Pharmaceutical Co., Ltd., Linyi, China
- State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Yanbing Gao
- Center for Drug Safety Evaluation, Shandong New Time Pharmaceutical Co., Ltd., Linyi, China
| | - Chenghong Sun
- Center for Drug Safety Evaluation, Shandong New Time Pharmaceutical Co., Ltd., Linyi, China
- State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Rui Li
- Center for Drug Safety Evaluation, Shandong New Time Pharmaceutical Co., Ltd., Linyi, China
- State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - He Xiao
- Center for Drug Safety Evaluation, Shandong New Time Pharmaceutical Co., Ltd., Linyi, China
- State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Qun Feng
- Center for Drug Safety Evaluation, Shandong New Time Pharmaceutical Co., Ltd., Linyi, China
- State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Guofei Qin
- Center for Drug Safety Evaluation, Shandong New Time Pharmaceutical Co., Ltd., Linyi, China
- State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Xiaoyan Lu
- Center for Drug Safety Evaluation, Shandong New Time Pharmaceutical Co., Ltd., Linyi, China
- State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Zhong Liu
- Center for Drug Safety Evaluation, Shandong New Time Pharmaceutical Co., Ltd., Linyi, China
- State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Guimin Zhang
- Center for Drug Safety Evaluation, Shandong New Time Pharmaceutical Co., Ltd., Linyi, China
- State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Feng Li
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
- *Correspondence: Feng Li, ; Mingguo Shao,
| | - Mingguo Shao
- State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
- *Correspondence: Feng Li, ; Mingguo Shao,
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Sengupta S, Abhinav N, Singh S, Dutta J, Mabalirajan U, Kaliyamurthy K, Mukherjee PK, Jaisankar P, Bandyopadhyay A. Standardised Sonneratia apetala Buch.-Ham. fruit extract inhibits human neutrophil elastase and attenuates elastase-induced lung injury in mice. Front Pharmacol 2022; 13:1011216. [PMID: 36569308 PMCID: PMC9768866 DOI: 10.3389/fphar.2022.1011216] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 11/23/2022] [Indexed: 12/12/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) along with asthma is a major and increasing global health problem. Smoking contributes to about 80%-90% of total COPD cases in the world. COPD leads to the narrowing of small airways and destruction of lung tissue leading to emphysema primarily caused by neutrophil elastase. Neutrophil elastase plays an important role in disease progression in COPD patients and has emerged as an important target for drug discovery. Sonneratia apetala Buch.-Ham. is a mangrove plant belonging to family Sonneratiaceae. It is widely found in the Sundarban regions of India. While the fruits of this plant have antibacterial, antifungal, antioxidant and astringent activities, fruit and leaf extracts have been shown to reduce the symptoms of asthma and cough. The aim of this study is to find whether hydro alcoholic fruit extracts of S. apetala inhibit neutrophil elastase and thus prevent the progression of neutrophil elastase-driven lung emphysema. The hydroalcoholic extract, ethanol: water (90:10), of the S. apetala Buch.-Ham. fresh fruits (SAM) were used for neutrophil elastase enzyme kinetic assay and IC50 of the extract was determined. The novel HPLC method has been developed and the extract was standardized with gallic acid and ellagic acid as standards. The extract was further subjected to LC-MS2 profiling to identify key phytochemicals. The standardized SAM extract contains 53 μg/mg of gallic acid and 95 μg/mg of ellagic acid, based on the HPLC calibration curve. SAM also reversed the elastase-induced morphological change of human epithelial cells and prevented the release of ICAM-1 in vitro and an MTT assay was conducted to assess the viability. Further, 10 mg/kg SAM had reduced alveolar collapse induced by neutrophil elastase in the mice model. Thus, in this study, we reported for the first time that S. apetala fruit extract has the potential to inhibit human neutrophil elastase in vitro and in vivo.
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Affiliation(s)
- Sayantan Sengupta
- Cardiovascular Disease and Respiratory Disorders Laboratory, Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Nipun Abhinav
- Department of Natural Products, National Institute of Pharmaceutical Education and Research (NIPER), Kolkata, India
| | - Sabita Singh
- Molecular Pathobiology of Respiratory Diseases Laboratory, Cell Biology and Physiology Department, CSIR-Indian Institute of Chemical Biology, Kolkata, India,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Joytri Dutta
- Molecular Pathobiology of Respiratory Diseases Laboratory, Cell Biology and Physiology Department, CSIR-Indian Institute of Chemical Biology, Kolkata, India,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Ulaganathan Mabalirajan
- Molecular Pathobiology of Respiratory Diseases Laboratory, Cell Biology and Physiology Department, CSIR-Indian Institute of Chemical Biology, Kolkata, India,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Karthigeyan Kaliyamurthy
- Central National Herbarium, Botanical Survey of India, A.J.C.B. Indian Botanic Garden, Howrah, India
| | | | - Parasuraman Jaisankar
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India,Laboratory of Catalysis and Chemical Biology, Department of Organic and Medicinal Chemistry, CSIR-Indian Institute of Chemical Biology, Kolkata, India,*Correspondence: Parasuraman Jaisankar, ; Arun Bandyopadhyay,
| | - Arun Bandyopadhyay
- Cardiovascular Disease and Respiratory Disorders Laboratory, Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India,*Correspondence: Parasuraman Jaisankar, ; Arun Bandyopadhyay,
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Myristoyl lysophosphatidylcholine is a biomarker and potential therapeutic target for community-acquired pneumonia. Redox Biol 2022; 58:102556. [PMID: 36459717 PMCID: PMC9712772 DOI: 10.1016/j.redox.2022.102556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 11/18/2022] [Accepted: 11/24/2022] [Indexed: 11/27/2022] Open
Abstract
There is no gold standard for evaluating the severity of community-acquired pneumonia (CAP), and it is still based on a score. This study aimed to use the metabolomics method to find promised biomarkers in assessing disease severity and potential therapeutic targets for CAP. The result found that the metabolites in the plasma samples of CAP patients had significantly different between the acute phase and the remission phase, especially lysophosphatidylcholine (LPCs) in glycerophospholipids, whose levels are negatively linked to the severity of the disease. Subsequently, the two key metabolites of myristoyl lysophosphatidylcholine (LPC 14:0) and LPC 16:1 were screened. We analyzed the predictive performance of the two metabolites using Spearman-related analysis and ROC curves, and LPC14:0 showed more satisfactory diagnostic performance than LPC16:1. Then we explored the protective role and mechanism of LPC 14:0 in animal and cell models. The results showed that LPC 14:0 could inhibit the LPS-induced secretion of IL-1β, IL-6, and TNF-α, lower the ROS and MDA levels, and decreased the depletion of SOD and GSH, thereby reducing lung tissue and cell damage, such as down-regulating the protein level in BALF, lung W/D ratio, MPO activity, and apoptosis. We found that LPC 14:0 inhibited LPS-induced inflammatory response and oxidative stress, and the above protection was achieved by inhibiting LPS-induced activation of the NLRP3 inflammasome. LPC 14:0 may serve as a novel biomarker for predicting the severity of CAP. In addition, our exploration of the role of LPC 14:0 in animal and cellular models has reinforced its promise as a therapeutic target to improve the clinical efficacy for CAP.
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Boateng ID. Potentialities of Ginkgo extract on toxicants, toxins, and radiation: a critical review. Food Funct 2022; 13:7960-7983. [PMID: 35801619 DOI: 10.1039/d2fo01298g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Exposure to toxins is a severe threat to human health and life in today's developing and industrialized world. Therefore, identifying a protective chemical could be valuable and fascinating in this case. The purpose of this article was to bring together thorough review of studies on Ginkgo biloba to aid in the creation of ways for delivering its phytoconstituents to treat toxicants and radiation. This review gathered and evaluated studies on the defensive impact of Ginkgo biloba extract (GBE) against toxicities caused by toxic chemical agents (such as lead, cadmium, and aluminum), natural toxins (for example, lipopolysaccharide-induced toxicity and damage, gossypol, latadenes, and lotaustralin), and radiation (for example, gamma, ultra-violet, and radio-frequency radiation). According to this review, GBE has a considerable therapeutic effect by influencing specific pathophysiological targets. Furthermore, GBE has antioxidant, anti-inflammatory, anti-apoptotic, and antigenotoxicity properties against various toxicities. These are due to flavone glycosides (primarily isorhamnetin, kaempferol, and quercetin) and terpene trilactones (ginkgolides A, B, C, and bilobalide) that aid GBEs' neutralizing effect against radiation and toxins by acting independently or synergistically. This will serve as a reference for the functional food, cosmetic, and pharmaceutical industries worldwide.
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Affiliation(s)
- Isaac Duah Boateng
- Division of Food, Nutrition and Exercise Sciences, University of Missouri, 1406 E Rollins Street, Columbia, MO, 65211, USA.
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Mitra S, Anand U, Ghorai M, Vellingiri B, Jha NK, Behl T, Kumar M, Radha, Shekhawat MS, Proćków J, Dey A. Unravelling the Therapeutic Potential of Botanicals Against Chronic Obstructive Pulmonary Disease (COPD): Molecular Insights and Future Perspectives. Front Pharmacol 2022; 13:824132. [PMID: 35645819 PMCID: PMC9130824 DOI: 10.3389/fphar.2022.824132] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 03/29/2022] [Indexed: 01/08/2023] Open
Abstract
Background: COPD (chronic obstructive pulmonary disease) is a serious health problem worldwide. Present treatments are insufficient and have severe side effects. There is a critical shortage of possible alternative treatments. Medicinal herbs are the most traditional and widely used therapy for treating a wide range of human illnesses around the world. In several countries, different plants are used to treat COPD. Purpose: In this review, we have discussed several known cellular and molecular components implicated in COPD and how plant-derived chemicals might modulate them. Methods: We have discussed how COVID-19 is associated with COPD mortality and severity along with the phytochemical roles of a few plants in the treatment of COPD. In addition, two tables have been included; the first summarizes different plants used for the treatment of COPD, and the second table consists of different kinds of phytochemicals extracted from plants, which are used to inhibit inflammation in the lungs. Conclusion: Various plants have been found to have medicinal properties against COPD. Many plant extracts and components may be used as novel disease-modifying drugs for lung inflammatory diseases.
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Affiliation(s)
- Sicon Mitra
- Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida, India
| | - Uttpal Anand
- CytoGene Research & Development LLP, Lucknow, Uttar Pradesh, India
| | - Mimosa Ghorai
- Department of Life Sciences, Presidency University, Kolkata, India
| | - Balachandar Vellingiri
- Human Molecular Cytogenetics and Stem Cell Laboratory, Department of Human Genetics and Molecular Biology, Bharathiar University, Coimbatore, India
| | - Niraj Kumar Jha
- Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida, India
| | - Tapan Behl
- Department of Pharmacology, Chitkara College of Pharmacy, Chitkara University, Chandigarh, India
| | - Manoj Kumar
- Chemical and Biochemical Processing Division, ICAR-Central Institute for Research on Cotton Technology, Mumbai, India
| | - Radha
- School of Biological and Environmental Sciences, Shoolini University of Biotechnology and Management Sciences, Solan, India
| | - Mahipal S. Shekhawat
- Department of Plant Biology and Biotechnology, Kanchi Mamunivar Government Institute for Postgraduate Studies and Research, Puducherry, India
| | - Jarosław Proćków
- Department of Plant Biology, Institute of Environmental Biology, Wrocław University of Environmental and Life Sciences, Wrocław, Poland
| | - Abhijit Dey
- Department of Life Sciences, Presidency University, Kolkata, India
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10
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Liang H, Yuan X, Sun C, Sun Y, Yang M, Feng S, Yao J, Liu Z, Zhang G, Li F. Preparation of a new component group of Ginkgo biloba leaves and investigation of the antihypertensive effects in spontaneously hypertensive rats. Biomed Pharmacother 2022; 149:112805. [PMID: 35276465 DOI: 10.1016/j.biopha.2022.112805] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/27/2022] [Accepted: 03/07/2022] [Indexed: 11/16/2022] Open
Abstract
Ginkgo (Ginkgo biloba L.) is a traditional economic tree species in China. Ginkgo biloba extract (GBE) is widely used in combination to treat hypertension and complications in clinical practice. However, the antihypertensive effect of GBE alone is weak and it is also difficult to study the mechanism because of its complex composition. This study was to prepare a new component group of Ginkgo biloba leaves (GBLCG) with clear chemical structures, and to investigate its effect on reducing blood pressure and improving myocardial hypertrophy in spontaneously hypertensive rats with GBE and amlodipine as positive controls. The results showed that total flavonoid aglycones (TFAs) of GBLCG was mainly composed of quercetin (QCT), kaempferol (KMF) and isorhamnetin (ISR); Total terpenoid lactones (TTLs) of GBLCG might be a novel cocrystal composed of Ginkgolide A (GA), Ginkgolide B (GB) Ginkgolide C (GC), Ginkgolide J (GJ) and bilobalide (BB). The hypotensive activity of GBLCG (4.4 mg/kg) group was better than that of GBE group (p < 0.05), and the effect of improving myocardial hypertrophy was better than that of amlodipine besylate group (p < 0.01). GBLCG might reduce blood pressure and improve myocardial hypertrophy by promoting the synthesis and release of NO in endothelial cells, reducing oxidative stress, inhibiting platelet aggregation and promoting lesion circulation. Eventually, we hope to introduce GBLCG as a new drug for hypertension.
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Affiliation(s)
- Hongbao Liang
- Shandong University of Traditional Chinese Medicine, Jinan, China; Shandong New Time Pharmaceutical Co., Ltd., Linyi, China; Lunan Pharmaceutical Group Co., Ltd. State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Linyi, China
| | - Xiaomei Yuan
- Lunan Pharmaceutical Group Co., Ltd. State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Linyi, China
| | - Chenghong Sun
- Shandong New Time Pharmaceutical Co., Ltd., Linyi, China; Lunan Pharmaceutical Group Co., Ltd. State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Linyi, China
| | - Ying Sun
- Shandong University of Traditional Chinese Medicine, Jinan, China; Lunan Pharmaceutical Group Co., Ltd. State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Linyi, China
| | - Min Yang
- Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Shuai Feng
- Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Jingchun Yao
- Shandong New Time Pharmaceutical Co., Ltd., Linyi, China; Lunan Pharmaceutical Group Co., Ltd. State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Linyi, China
| | - Zhong Liu
- Shandong New Time Pharmaceutical Co., Ltd., Linyi, China; Lunan Pharmaceutical Group Co., Ltd. State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Linyi, China
| | - Guimin Zhang
- Shandong New Time Pharmaceutical Co., Ltd., Linyi, China; Lunan Pharmaceutical Group Co., Ltd. State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Linyi, China.
| | - Feng Li
- Shandong University of Traditional Chinese Medicine, Jinan, China.
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11
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Ginkgolide B Regulates CDDP Chemoresistance in Oral Cancer via the Platelet-Activating Factor Receptor Pathway. Cancers (Basel) 2021; 13:cancers13246299. [PMID: 34944919 PMCID: PMC8699349 DOI: 10.3390/cancers13246299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 12/10/2021] [Accepted: 12/13/2021] [Indexed: 11/23/2022] Open
Abstract
Simple Summary The platelet-activating factor receptor (PAFR) is a key molecule that participates in intracellular signaling pathways. It is involved in cancer progression, but the detailed mechanism of its chemosensitivity is unknown. The purpose of the current study was to elucidate the mechanism regulating cisplatin (CDDP) sensitivity through PAFR functions in oral squamous cell carcinoma (OSCC). These results suggest that PAFR is a therapeutic target for modulating CDDP sensitivity in OSCC cells. In addition, we found that ginkgolide B (GB), a specific inhibitor of PAFR, enhanced both CDDP chemosusceptibility and apoptosis. Thus, GB may be a novel drug that could enhance combination chemotherapy with CDDP for OSCC patients. Abstract The platelet-activating factor receptor (PAFR) is a key molecule that participates in intracellular signaling pathways, including regulating the activation of kinases. It is involved in cancer progression, but the detailed mechanism of its chemosensitivity is unknown. The purpose of the current study was to elucidate the mechanism regulating cisplatin (CDDP) sensitivity through PAFR functions in oral squamous cell carcinoma (OSCC). We first analyzed the correlation between PAFR expression and CDDP sensitivity in seven OSCC-derived cell lines based upon cell viability assays. Among them, we isolated 2 CDDP-resistant cell lines (Ca9-22 and Ho-1-N-1). In addition to conducting PAFR-knockdown (siPAFR) experiments, we found that ginkgolide B (GB), a specific inhibitor of PAFR, enhanced both CDDP chemosusceptibility and apoptosis. We next evaluated the downstream signaling pathway of PAFR in siPAFR-treated cells and GB-treated cells after CDDP treatment. In both cases, we observed decreased phosphorylation of ERK and Akt and increased expression of cleaved caspase-3. These results suggest that PAFR is a therapeutic target for modulating CDDP sensitivity in OSCC cells. Thus, GB may be a novel drug that could enhance combination chemotherapy with CDDP for OSCC patients.
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12
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Wang J, Wu Q, Ding L, Song S, Li Y, Shi L, Wang T, Zhao D, Wang Z, Li X. Therapeutic Effects and Molecular Mechanisms of Bioactive Compounds Against Respiratory Diseases: Traditional Chinese Medicine Theory and High-Frequency Use. Front Pharmacol 2021; 12:734450. [PMID: 34512360 PMCID: PMC8429615 DOI: 10.3389/fphar.2021.734450] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 08/16/2021] [Indexed: 12/28/2022] Open
Abstract
Respiratory diseases, especially the pandemic of respiratory infectious diseases and refractory chronic lung diseases, remain a key clinical issue and research hot spot due to their high prevalence rates and poor prognosis. In this review, we aimed to summarize the recent advances in the therapeutic effects and molecular mechanisms of key common bioactive compounds from Chinese herbal medicine. Based on the theories of traditional Chinese medicine related to lung diseases, we searched several electronic databases to determine the high-frequency Chinese medicines in clinical application. The active compounds and metabolites from the selected medicines were identified using the Traditional Chinese Medicine Systems Pharmacology Database (TCMSP) by analyzing oral bioavailability and drug similarity index. Then, the pharmacological effects and molecular mechanisms of the selected bioactive compounds in the viral and bacterial infections, inflammation, acute lung injury (ALI), chronic obstructive pulmonary disease (COPD), pulmonary fibrosis, asthma, and lung cancer were summarized. We found that 31 bioactive compounds from the selected 10 common Chinese herbs, such as epigallocatechin-3-gallate (EGCG), kaempferol, isorhamnetin, quercetin, and β-sitosterol, can mainly regulate NF-κB, Nrf2/HO-1, NLRP3, TGF-β/Smad, MAPK, and PI3K/Akt/mTOR pathways to inhibit infection, inflammation, extracellular matrix deposition, and tumor growth in a series of lung-related diseases. This review provides novel perspectives on the preclinical study and clinical application of Chinese herbal medicines and their bioactive compounds against respiratory diseases.
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Affiliation(s)
- Jing Wang
- Department of Respiratory, Changchun University of Chinese Medicine, Changchun, China
| | - Qibiao Wu
- State Key Laboratory of Quality Research in Chinese Medicines, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Lu Ding
- College of Integrated Traditional Chinese and Western Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Siyu Song
- College of Integrated Traditional Chinese and Western Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Yaxin Li
- College of Integrated Traditional Chinese and Western Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Li Shi
- Department of Respiratory, Changchun University of Chinese Medicine, Changchun, China
| | - Tan Wang
- Department of Respiratory, Changchun University of Chinese Medicine, Changchun, China
| | - Daqing Zhao
- Jilin Ginseng Academy, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Zeyu Wang
- Department of Scientific Research, Changchun University of Chinese Medicine, Changchun, China
| | - Xiangyan Li
- Jilin Ginseng Academy, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
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13
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Mei HX, Ye Y, Xu HR, Xiang SY, Yang Q, Ma HY, Jin SW, Wang Q. LXA4 Inhibits Lipopolysaccharide-Induced Inflammatory Cell Accumulation by Resident Macrophages in Mice. J Inflamm Res 2021; 14:1375-1385. [PMID: 33880053 PMCID: PMC8052121 DOI: 10.2147/jir.s301292] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 03/26/2021] [Indexed: 12/13/2022] Open
Abstract
Introduction Alveolar macrophages that regulate the inflammatory response in lungs are the main target cell for the treatment of inflammatory pulmonary pathologies, such as acute respiratory distress syndrome (ARDS). Yolk sac derived alveolar resident macrophages play an important role in the pulmonary inflammatory response. With regards to anti-inflammatory actions, lipoxin A4 (LXA4) has been identified as an inflammatory "braking signal". Methods In vivo, LXA4 (0.1 µg/mouse) was injected intraperitoneally after intratracheal (1 mg/kg) lipopolysaccharide (LPS) administration; flow cytometry was used to measure peripheral blood monocyte derived recruited macrophage and neutrophil numbers; resident alveolar macrophage was depleted by liposome clodronate; CXCL2, CCL2, MMP9 level was detected by RT-PCR and ELISA. In vitro, sorted resident macrophages (1×106) were cultured with LPS (1 μg/mL) and LXA4 (100 nmol/mL) with or without BOC-2 (10 μM) for 24 h to gain a better understanding of the mechanisms of LXA4. Results LXA4 inhibited tumor necrosis factor-a (TNF-a) and interleukin-1β (IL-1β) production induced by LPS. LXA4 also mediated LPS-induced macrophage recruitment and showed that this was dependent on CCL2 secretion and release by resident macrophages. LXA4 protects lung tissue by inhibiting neutrophil recruitment, partly through the CXCL2/MMP-9 signaling pathway. CXCL2 and MMP-9 are mainly expressed by resident macrophages and neutrophils, respectively. Finally, LXA4's beneficial effects were abrogated by BOC-2, an LXA4 receptor inhibitor. Conclusion These results suggest that LXA4 may be a promising therapy for preventing and treating ARDS.
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Affiliation(s)
- Hong-Xia Mei
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, People's Republic of China
| | - Yang Ye
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, People's Republic of China
| | - Hao-Ran Xu
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, People's Republic of China
| | - Shu-Yang Xiang
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, People's Republic of China
| | - Qian Yang
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, People's Republic of China
| | - Hong-Yu Ma
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, People's Republic of China
| | - Sheng-Wei Jin
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, People's Republic of China
| | - Qian Wang
- Department of Anesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, People's Republic of China
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14
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Wang H, Sun X, Lu Q, Zemskov EA, Yegambaram M, Wu X, Wang T, Tang H, Black SM. The mitochondrial redistribution of eNOS is involved in lipopolysaccharide induced inflammasome activation during acute lung injury. Redox Biol 2021; 41:101878. [PMID: 33578126 PMCID: PMC7879038 DOI: 10.1016/j.redox.2021.101878] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 01/17/2021] [Accepted: 01/21/2021] [Indexed: 01/03/2023] Open
Abstract
Acute lung injury (ALI) is a devastating clinical syndrome with no effective therapies. Inflammasome activation has been reported to play a critical role in the initiation and progression of ALI. The molecular mechanisms involved in regulating the activation of inflammasome in ALI remains unresolved, although increases in mitochondrial derived reactive oxygen species (mito-ROS) are involved. Our previous work has shown that the mitochondrial redistribution of uncoupled eNOS impairs mitochondrial bioenergetics and increases mito-ROS generation. Thus, the focus of our study was to determine if lipopolysaccharide (LPS)-mediated inflammasome activation involves the mitochondrial redistribution of uncoupled eNOS. Our data show that the increase in mito-ROS involved in LPS-mediated inflammasome activation is associated with the disruption of mitochondrial bioenergetics in human lung microvascular endothelial cells (HLMVEC) and the mitochondrial redistribution of eNOS. These effects are dependent on RhoA-ROCK signaling and are mediated via increased phosphorylation of eNOS at Threonine (T)-495. A derivative of the mitochondrial targeted Szeto-Schiller peptide (SSP) attached to the antioxidant Tiron (T-SSP), significantly attenuated LPS-mediated mito-ROS generation and inflammasome activation in HLMVEC. Further, T-SSP attenuated mitochondrial superoxide production in a mouse model of sepsis induced ALI. This in turn significantly reduced the inflammatory response and attenuated lung injury. Thus, our findings show that the mitochondrial redistribution of uncoupled eNOS is intimately involved in the activation of the inflammatory response in ALI and implicate attenuating mito-ROS as a therapeutic strategy in humans.
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Affiliation(s)
- Hui Wang
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China; Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Xutong Sun
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Qing Lu
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Evgeny A Zemskov
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Manivannan Yegambaram
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Xiaomin Wu
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Ting Wang
- Department of Internal Medicine, The University of Arizona Health Sciences, Phoenix, AZ, USA
| | - Haiyang Tang
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China; Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA.
| | - Stephen M Black
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA.
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15
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Zhu Y, Wang F, Huang J, Li J, Chen K, Zhang X, Zhang Y. Bilobalide, a bioactive compound on sepsis-induced acute lung injury through its anti-inflammatory and antioxidative activity. Pharmacogn Mag 2021. [DOI: 10.4103/pm.pm_448_20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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16
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Wang Z, Zhang P, Wang Q, Sheng X, Zhang J, Lu X, Fan X. Protective effects of Ginkgo Biloba Dropping Pills against liver ischemia/reperfusion injury in mice. Chin Med 2020; 15:122. [PMID: 33292377 PMCID: PMC7678318 DOI: 10.1186/s13020-020-00404-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 11/11/2020] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Liver ischemia/reperfusion (I/R) injury is an inevitable pathological phenomenon in various clinical conditions, such as liver transplantation, resection surgery, or shock, which is the major cause of morbidity and mortality after operation. Ginkgo Biloba Dropping Pill (GBDP) is a unique Chinese Ginkgo Biloba leaf extract preparation that exhibits a variety of beneficial biological activities. The aim of this study is to investigate the protective effects of GBDP on the liver I/R injury both in the in vitro and in vivo. METHODS Hypoxia/reoxygenation (H/R) experiments were performed in alpha mouse liver 12 (AML-12) cells and primary hepatocytes, which were pretreated with GBDP (60 or 120 µg/mL) followed by incubation in a hypoxia chamber. Cell viability was detected by 3-(4,5-dimethylthiazol-2-yl)-2.5-diphenyltetrazolium bromide (MTT) assay. Annexin V staining as well as western blot analysis of apoptosis-related proteins was performed to detect the protective effect of GBDP on cell apoptosis induced by H/R injury. C57BL/6 mice were used to establish the liver I/R injury model, and were pretreated with GBDP (100 or 200 mg/kg/day, i.g.) for two weeks. The liver damage was evaluated by detection of plasma levels of alanine transaminase (ALT) and aspartate transaminase (AST), as well as histopathological examinations. Liver inflammation was determined by detecting the secretion of pro-inflammatory cytokines and neutrophil infiltration through enzyme-linked immunosorbent assay (ELISA) and myeloperoxidase (MPO) immunohistochemistry staining. Finally, Terminal deoxynucleotidyl transferase-mediated dUTP-biotin nick and labeling (TUNEL) staining and western blot analysis of apoptosis-related proteins were used to investigate the anti-apoptotic effect of GBDP in mice. RESULTS In the in vitro study, GBDP pretreatment improved the cell viability of AML-12 cells in the H/R injury model. Similarly, the same result was found in the primary hepatocytes isolated from C57BL/6 mice. Moreover, GBDP decreased the number of apoptotic cells and reduced the expression of apoptosis-related proteins induced by H/R injury. In the in vivo study, oral administration of GBDP ameliorated liver injury evidenced by a significant decline in the levels of ALT and AST. Furthermore, the result of hematoxylin and eosin (H&E) staining showed that GBDP reduced the size of necrosis area in the liver tissue. In addition, the decreased infiltration of neutrophils and secretion of pro-inflammatory cytokines indicated that GBDP may play an anti-inflammatory effect. More importantly, GBDP reduced TUNEL-positive cells and the expression of apoptosis-related proteins in the liver indicating GBDP has anti-apoptotic effects. CONCLUSIONS Our findings elucidated that GBDP has potential effects for protecting against liver I/R injury characterized by its anti-apoptotic, anti-necrotic, and anti-inflammatory properties, which would promisingly make contributions to the exploration of therapeutic strategies in the liver I/R injury.
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Affiliation(s)
- Zheng Wang
- Pharmaceutical informatics institute, College of Pharmaceutical Science, Zhejiang University, 310058, Hangzhou, China
| | - Ping Zhang
- Pharmaceutical informatics institute, College of Pharmaceutical Science, Zhejiang University, 310058, Hangzhou, China
| | - Qingqing Wang
- Zhejiang University - Wanbangde pharmaceutical Group Joint Research Center for Chinese Medicine Modernization, Zhejiang, Hangzhou, China
| | - Xueping Sheng
- Zhejiang University - Wanbangde pharmaceutical Group Joint Research Center for Chinese Medicine Modernization, Zhejiang, Hangzhou, China
| | - Jianbing Zhang
- Zhejiang University - Wanbangde pharmaceutical Group Joint Research Center for Chinese Medicine Modernization, Zhejiang, Hangzhou, China
| | - Xiaoyan Lu
- Pharmaceutical informatics institute, College of Pharmaceutical Science, Zhejiang University, 310058, Hangzhou, China.
| | - Xiaohui Fan
- Pharmaceutical informatics institute, College of Pharmaceutical Science, Zhejiang University, 310058, Hangzhou, China. .,State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 301617, Tianjin, China.
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17
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Liu TY, Zhao LL, Chen SB, Hou BC, Huang J, Hong X, Qing L, Fang Y, Tao Z. Polygonatum sibiricum polysaccharides prevent LPS-induced acute lung injury by inhibiting inflammation via the TLR4/Myd88/NF-κB pathway. Exp Ther Med 2020; 20:3733-3739. [PMID: 32855724 PMCID: PMC7444378 DOI: 10.3892/etm.2020.9097] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Accepted: 02/05/2020] [Indexed: 02/06/2023] Open
Abstract
Inflammation plays an important role in cases of acute lung injury (ALI), and the Toll-like receptor 4/nuclear factor-κB (TLR4/NF-κB) pathway, which can be regulated by Polygonatum sibiricum polysaccharides (PSPs), is closely related to the dynamics of lipopolysaccharide (LPS)-induced inflammation. Thus, we sought to evaluate whether or not PSPs prevent LPS-induced ALI by way of inhibiting inflammation via the TLR4/NF-κB pathway in rats. We established an ALI rat model by tracheal instillation of LPS, and by pre-injection of PSPs into rats to examine PSPs in the ALI rat model. We found that PSPs attenuated LPS-induced lung pathological changes in ALI rats, decreased LPS-induced myeloperoxidase (MOP) activity, and elevated malondialdehyde (MDA) levels in lung tissue. However, PSPs also decreased the LPS-induced increase in the neutrophil ratio, and decreased inflammatory factor levels in bronchoalveolar lavage fluid (BALF). Moreover, PSPs decreased LPS-induced increases in inflammatory factors measured by mRNA expression, and altered the levels of expression of TLR4, medullary differentiation protein 88 (Myd88), p-IKB-α/IKB-α and p-p65/p65 proteins in lung tissue. In vitro, PSPs also reduced apoptosis induced by LPS in BEAS-2B cells by suppressing inflammation through its effect of inhibiting the TLR4/NF-κB pathway. In conclusion, our results suggest that PSPs may be a potential drug for effective treatment of LPS-induced ALI, due to the ability to inhibit inflammation through effects exerted on the TLR4/Myd88/NF-κB pathway.
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Affiliation(s)
- Tian-Yin Liu
- Department of Anesthesia, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Li-Li Zhao
- Department of Anesthesia, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Shi-Biao Chen
- Department of Anesthesia, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Ben-Chao Hou
- Department of Anesthesia, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Jian Huang
- Department of Anesthesia, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Xiu Hong
- Department of Anesthesia, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Lian Qing
- Department of Anesthesia, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Yu Fang
- Department of Anesthesia, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Zhe Tao
- Department of Anesthesia, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
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18
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Dapk1 improves inflammation, oxidative stress and autophagy in LPS-induced acute lung injury via p38MAPK/NF-κB signaling pathway. Mol Immunol 2020; 120:13-22. [PMID: 32045770 DOI: 10.1016/j.molimm.2020.01.014] [Citation(s) in RCA: 75] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 12/25/2019] [Accepted: 01/22/2020] [Indexed: 02/07/2023]
Abstract
OBJECTIVE To investigate the impact of death-associated protein kinase 1 (Dapk1) on lipopolysaccharide (LPS)-induced acute lung injury (ALI) via p38MAPK/NF-κB pathway. METHODS Dapk1+/+ and Dapk1-/- mice were randomized into Control, LPS, SB203580 (a p38MAPK pathway inhibitor) + LPS, and PDTC (a NF-κB pathway inhibitor) + LPS groups. Cell counts, lung wet to dry weight ratio (W/D weight ratio), as well as indicators of oxidative stress were determined followed by the detection with HE staining, ELISA, qRT-PCR, Western blotting and Immunofluorescence. Besides, to explore whether the effect of Dapk1 on ALI directly mediated via p38MAPK/NF-κB pathway, mice were injected with TC-DAPK 6 (a Dapk1 inhibitor) with or without SB203580/PDTC before LPS administration. RESULTS LPS induced lung injury with increased lung W/D weight ratio, which could be partly reversed by SB203580 and PDTC in LPS-induced mice with activated p38MAPK/NF-κB pathway in lung tissues, especially in Dapk1-/- mice. SB203580 and PDTC reduced total cells and neutrophils in BALF in LPS-induced mice, accompanying with decreased levels of TNF-α, IL-6, MPO, LPO and MDA and the expressions of beclin-1, Atg5 and LC3II, but with the up-regulated activities of SOD and GSH-Px, as well as p62 protein expression. Besides, TC-DAPK 6 aggravated the pathologic injury in LPS-induced ALI with more serious inflammatory response, oxidative stress and autophagy as well as the activated p38MAPK/NF-κB pathway, which were reversed by SB203580 or PDTC. CONCLUSION Dapk1 improved oxidative stress, inhibited autophagy, and reduce inflammatory response of LPS-induced ALI mice by inhibiting p38MAPK/NF-κB pathway.
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Omidkhoda SF, Razavi BM, Hosseinzadeh H. Protective effects of Ginkgo biloba L. against natural toxins, chemical toxicities, and radiation: A comprehensive review. Phytother Res 2019; 33:2821-2840. [PMID: 31429152 DOI: 10.1002/ptr.6469] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 06/11/2019] [Accepted: 07/13/2019] [Indexed: 12/13/2022]
Abstract
Nowadays in our developing and industrial world, humans' health or even their life is threatened by exposure to poisons. In this situation, detecting a protective compound could be helpful and interesting. In the present article, we collected and reviewed all studies, which have been conducted so far about the protective effects of Ginkgo biloba L. (GB), one of the most ancient medicinal tree species, against toxicities induced by chemical toxic agents, natural toxins, and also radiation. In overall, investigations showed that GB exerts the antioxidant, antiinflammatory, antiapoptotic, and antigenotoxicity effects in different toxicities. There are also some special mechanisms about its protective effects against some specific toxic agents, such as acetylcholine esterase inhibition in the aluminium neurotoxicity or membrane-bond phosphodiesterase activation in the triethyltin toxicity. Ginkgolide A was the most investigated active ingredient of G. biloba leaf extract as a protective compound against toxicities, which had the similar effects of total extract. A few clinical studies have been conducted in this field, which demonstrated the beneficial effects of GB against toxic agents. However, the promising effects of this valuable herbal extract will practically remain useless without carrying out more clinical studies and proving its effects on human beings.
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Affiliation(s)
- Seyedeh Farzaneh Omidkhoda
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - BiBi Marjan Razavi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.,Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hossein Hosseinzadeh
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.,Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
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Comparison of Two Ginkgo biloba L. Extracts on Oxidative Stress and Inflammation Markers in Human Endothelial Cells. Mediators Inflamm 2019; 2019:6173893. [PMID: 31341420 PMCID: PMC6614955 DOI: 10.1155/2019/6173893] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 05/22/2019] [Accepted: 06/10/2019] [Indexed: 11/24/2022] Open
Abstract
Atherosclerosis is characterized by interaction between immune and vascular endothelial cells which is mediated by adhesion molecules occurring on the surface of the vascular endothelium leading to massive release of proinflammatory mediators. Ginkgo biloba L. (Ginkgoaceae) standardized extracts showing beneficial effects are commonly prepared by solvent extraction, and acetone is used according to the European Pharmacopoeia recommendations; the well-known Ginkgo biloba acetone extract EGb761® is the most clinically investigated. However, in some countries, the allowed amount of solvent is limited to ethanol, thus implying that the usage of a standardized Ginkgo biloba ethanol extract may be preferred in all those cases, such as for food supplements. The present paper investigates if ethanol and acetone extracts, with comparable standardization, may be considered comparable in terms of biological activity, focusing on the radical scavenging and anti-inflammatory activities. Both the extracts showed high inhibition of TNFα-induced VCAM-1 release (41.1-43.9 μg/mL), which was partly due to the NF-κB pathway impairment. Besides ROS decrease, cAMP increase following treatment with ginkgo extracts was addressed and proposed as further molecular mechanism responsible for the inhibition of endothelial E-selectin. No statistical difference was observed between the extracts. The present study demonstrates for the first time that ethanol and acetone extracts show comparable biological activities in human endothelial cell, thus providing new insights into the usage of ethanol extracts in those countries where restrictions in amount of acetone are present.
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Jeong HG, Yoon JS, Lee J, Bae HJ. Incidence of neutropenia in patients with ticlopidine/Ginkgo biloba extract combination drug for vascular events: A post-marketing cohort study. PLoS One 2019; 14:e0217723. [PMID: 31166961 PMCID: PMC6550423 DOI: 10.1371/journal.pone.0217723] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 05/08/2019] [Indexed: 01/16/2023] Open
Abstract
BACKGROUND AND PURPOSE The ticlopidine/Ginkgo biloba ext. combination drug (Yuclid) is used as an antiplatelet agent for prevention of vascular events since its approval in 2008. The purpose of this study is to explore the safety of ticlopidine/Ginkgo biloba combination, mainly regarding the incidence of neutropenia, through a post-marketing surveillance study. METHODS From March 2009 to October 2015, a total of 4839 subjects had been enrolled in this study. The enrollments were conducted by 152 doctors of 89 hospitals according to the regulations for post-marketing surveillance programs in Korea. If a subject was administered the drug once, he/she was included in the safety analysis set for any adverse events and bleedings, and the primary safety evaluation regarding neutropenia was conducted in subjects who completed 3-month blood test follow-up. We predefined that 1% reduction in neutropenia incidence by ticlopidine/Ginkgo biloba ext. combination from the previously reported incidence of ticlopidine of 2.3% was clinically meaningful. RESULTS Among the safety analysis set of 4831 patients (99.8% of the enrolled subjects), 3150 (65.1%) completed evaluation for neutropenia at 3 months which is the primary safety endpoint. The major causes of dropout were no follow-up visit at 3 months (n = 1016) and violation of the follow-up period (n = 503). Nine patients experienced neutropenia (Absolute neutrophil count [ANC] ≤ 1200mm3) and the estimated cumulative incidence at 3 months is 0.29% (95% confidence interval, 0.13%- 0.54%). Severe neutropenia (ANC ≤ 450mm3) did not occur in any patients. CONCLUSIONS The incidence of neutropenia with addition of Ginkgo biloba ext. to ticlopidine may be lower than the previously reported incidence of neutropenia with ticlopidine, which needs to be confirmed in randomized controlled trials.
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Affiliation(s)
- Han-Gil Jeong
- Department of Neurology and Cerebrovascular Center, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Jae Sun Yoon
- Department of Biostatistics, Korea University, Seoul, Korea
| | - Juneyoung Lee
- Department of Biostatistics, Korea University, Seoul, Korea
| | - Hee-Joon Bae
- Department of Neurology and Cerebrovascular Center, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
- * E-mail:
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Li D, Shi G, Wang J, Zhang D, Pan Y, Dou H, Hou Y. Baicalein ameliorates pristane-induced lupus nephritis via activating Nrf2/HO-1 in myeloid-derived suppressor cells. Arthritis Res Ther 2019; 21:105. [PMID: 31023362 PMCID: PMC6482536 DOI: 10.1186/s13075-019-1876-0] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2018] [Accepted: 03/26/2019] [Indexed: 11/10/2022] Open
Abstract
INTRODUCTION Lupus nephritis (LN) is a representative manifestation in systemic lupus erythematosus (SLE). Some studies have shown that myeloid-derived suppressor cells (MDSCs) play a vital role in the regulation of the SLE process. MDSC infiltration in the kidney as well as inflammation and oxidative stress provokes the acceleration and deterioration of LN. Nuclear factor E2-related factor 2 (Nrf2) is thought to be a major regulator of the antioxidant response. Baicalein is a flavonoid with known anti-inflammatory effects and antioxidant response. However, the effects of baicalein on MDSCs, inflammation, and oxidative stress are not evaluated in the development of pristane-induced LN in mice. METHODS The renoprotective effect of baicalein was detected in a pristane-induced lupus mice model. NLRP3 inflammasome activation and NF-κB phosphorylation as well as reactive oxygen species (ROS) production and Nrf2 activation were examined. The percentages and function changes of MDSCs were measured. The possible mechanisms of the underlying effects of baicalein on ROS production and signaling pathways of Nrf2/heme-oxygenase (HO)-1, NLRP3 inflammasome, and NF-κB phosphorylation in lipopolysaccharide (LPS)-primed MDSCs were analyzed. RESULTS Baicalein reduced proteinuria and attenuated renal function impairment and renal histopathology including intrinsic cell proliferation, cellular crescents, and podocyte injury as well as glomerulonephritis activity in lupus mice. Moreover, baicalein downregulated the activation of NLRP3 inflammasome and levels of ROS or NF-κB phosphorylation, and it enhanced Nrf2 activation. Of note, baicalein inhibited the expansion of MDSCs and improved the function of MDSCs in lupus mice. Through analyzing LPS-primed MDSCs in vitro, baicalein was found to exhibit cytoprotective effects coincident with the induction of Nrf2/HO-1 signaling and the suppression of the NLRP3 inflammasome. CONCLUSION The data show that baicalein alleviates the symptoms of pristane-induced LN and suggest that the alleviation may be attributed to inhibition of MDSC expansion and regulation of the balance of the Nrf2/HO-1 signal and NLRP3 expression in MDSCs.
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Affiliation(s)
- Dan Li
- The State Key Laboratory of Pharmaceutical Biotechnology, Division of Immunology, Medical School, Nanjing University, No.22 Hankou Rd., Gulou District, Nanjing, 210093, Jiangsu, People's Republic of China
| | - Guoping Shi
- The State Key Laboratory of Pharmaceutical Biotechnology, Division of Immunology, Medical School, Nanjing University, No.22 Hankou Rd., Gulou District, Nanjing, 210093, Jiangsu, People's Republic of China
| | - Jiali Wang
- The State Key Laboratory of Pharmaceutical Biotechnology, Division of Immunology, Medical School, Nanjing University, No.22 Hankou Rd., Gulou District, Nanjing, 210093, Jiangsu, People's Republic of China
| | - Dongya Zhang
- The State Key Laboratory of Pharmaceutical Biotechnology, Division of Immunology, Medical School, Nanjing University, No.22 Hankou Rd., Gulou District, Nanjing, 210093, Jiangsu, People's Republic of China
| | - Yuchen Pan
- The State Key Laboratory of Pharmaceutical Biotechnology, Division of Immunology, Medical School, Nanjing University, No.22 Hankou Rd., Gulou District, Nanjing, 210093, Jiangsu, People's Republic of China
| | - Huan Dou
- The State Key Laboratory of Pharmaceutical Biotechnology, Division of Immunology, Medical School, Nanjing University, No.22 Hankou Rd., Gulou District, Nanjing, 210093, Jiangsu, People's Republic of China. .,Department of Rheumatology and Immunology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, 210008, People's Republic of China. .,Jiangsu Key Laboratory of Molecular Medicine, Nanjing, 210093, People's Republic of China.
| | - Yayi Hou
- The State Key Laboratory of Pharmaceutical Biotechnology, Division of Immunology, Medical School, Nanjing University, No.22 Hankou Rd., Gulou District, Nanjing, 210093, Jiangsu, People's Republic of China. .,Department of Rheumatology and Immunology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, 210008, People's Republic of China. .,Jiangsu Key Laboratory of Molecular Medicine, Nanjing, 210093, People's Republic of China.
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Huang XF, Zhang SZ, You YY, Zhang N, Lu H, Daugherty A, Xie XJ. Ginkgo biloba extracts prevent aortic rupture in angiotensin II-infused hypercholesterolemic mice. Acta Pharmacol Sin 2019; 40:192-198. [PMID: 29777203 DOI: 10.1038/s41401-018-0017-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2017] [Accepted: 02/11/2018] [Indexed: 11/09/2022] Open
Abstract
Abdominal aortic aneurysms (AAAs) are a chronic vascular disease characterized by pathological luminal dilation. Aortic rupture is the fatal consequence of AAAs. Ginkgo biloba extracts (GBEs), a natural herb extract widely used as food supplements, drugs, and cosmetics, has been reported to suppress development of calcium chloride-induced AAAs in mice. Calcium chloride-induced AAAs do not rupture, while angiotensin II (AngII)-induced AAAs in mice have high rate of aortic rupture, implicating potentially different mechanisms from calcium chloride-induced AAAs. This study aimed to determine whether GBE would improve aortic dilation and rupture rate of AngII-induced AAAs. Male apolipoprotein E (apoE) -/- mice were infused with AngII and administered either GBE or its major active ingredients, flavonoids and ginkgolides, individually or in combination. To determine the effects of GBE in mice with established AAAs, male apoE-/- mice were firstly infused with AngII for 28 days to develop AAAs, and then administered either GBE or vehicle in mice with established AAAs, which were continuously infused with AngII for another 56 days. GBE, but not the two major active components separately or synergistically, prevented aortic rupture, but not aortic dilation. The protection of GBE from aortic rupture was independent of systolic blood pressure, lipid, and inflammation. GBE also did not attenuate either aortic rupture or progressive aortic dilation in mice with established AAAs. GBE did not reduce the atherosclerotic lesion areas, either. In conclusion, GBE prevents aortic rupture in AngII-infused hypercholesterolemic mice, but only in the early phase of the disease development.
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Sun J, Huang N, Ma W, Zhou H, Lai K. Protective effects of metformin on lipopolysaccharide‑induced airway epithelial cell injury via NF‑κB signaling inhibition. Mol Med Rep 2019; 19:1817-1823. [PMID: 30628691 DOI: 10.3892/mmr.2019.9807] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Accepted: 11/15/2018] [Indexed: 11/05/2022] Open
Abstract
Asthma is a heterogeneous disease characterized by chronic airway inflammation. It has been demonstrated that metformin, an extensively used drug for the treatment of type 2 diabetes, improves airway inflammation and remodeling. However, the mechanism by which this occurs remains poorly understood. The present study investigated the protective effects of metformin in lipopolysaccharide (LPS)‑induced human bronchial epithelial (16HBE) cells injury and the associated mechanisms. 16HBE cells were preincubated with metformin for 1 h and subsequently exposed to LPS for 12 h. A lactate dehydrogenase (LDH) leakage assay was used to determine the extent of injury to 16HBE cells. The expression of tumor necrosis factor‑α (TNF‑α) and interleukin‑6 (IL‑6) was measured by ELISA. The protein expression of intercellular adhesion molecule‑1 (ICAM‑1) and vascular cell adhesion molecule‑1 (VCAM‑1), as well as proteins associated with nuclear factor (NF)‑κB signaling, was measured by western blotting. Immunofluorescence assays confirmed the nuclear translocation of NF‑κB p65. The LDH leakage assays suggested that metformin significantly reduced LPS‑induced 16HBE cell injury. Furthermore, it was confirmed that metformin suppressed the LPS‑induced secretion of TNF‑α, IL‑6, ICAM‑1 and VCAM‑1. The mechanism occurred at least partially via inhibition of NF‑κB signaling. The results demonstrated that metformin inhibited NF‑κB mRNA expression and the nuclear translocation of NF‑κB p65. To the best of our knowledge, the present study was the first to demonstrate that metformin ameliorated LPS‑induced bronchial epithelial cell injury via NF‑κB signaling suppression.
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Affiliation(s)
- Jiayang Sun
- Department of Respiratory Medicine, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550001, P.R. China
| | - Niwen Huang
- Department of Respiratory Medicine, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550001, P.R. China
| | - Wen Ma
- Department of Comprehensive Ward, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550001, P.R. China
| | - Haiyan Zhou
- Department of Clinical Research Centre, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550001, P.R. China
| | - Kefang Lai
- Department of Clinical Research State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, Guangdong 510120, P.R. China
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Ginkgolide B enhances gemcitabine sensitivity in pancreatic cancer cell lines via inhibiting PAFR/NF-кB pathway. Biomed Pharmacother 2019; 109:563-572. [DOI: 10.1016/j.biopha.2018.10.084] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 10/14/2018] [Accepted: 10/14/2018] [Indexed: 12/15/2022] Open
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Zhang X, Cai Y, Zhang W, Chen X. Quercetin ameliorates pulmonary fibrosis by inhibiting SphK1/S1P signaling. Biochem Cell Biol 2018; 96:742-751. [PMID: 29940125 DOI: 10.1139/bcb-2017-0302] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Idiopathic pulmonary fibrosis is an agnogenic chronic disorder with high morbidity and low survival rate. Quercetin is a flavonoid found in a variety of herbs with anti-fibrosis function. In this study, bleomycin was employed to induce a pulmonary fibrosis mouse model. The quercetin administration ameliorated bleomycin-induced pulmonary fibrosis, evidenced by the expression level changes of hydroxyproline, fibronectin, α-smooth muscle actin, Collagen I, and Collagen III. Similar results were observed in transforming growth factor (TGF)-β-treated human embryonic lung fibroblast (HELF). The bleomycin or TGF-β administration caused the increase of sphingosine-1-phosphate (S1P) level in pulmonary tissue and HELF cells, as well as its activation-required kinase, sphingosine kinase 1 (SphK1), and its degradation enzyme, sphinogosine-1-phosphate lyase (S1PL). However, the increase of S1P, SphK1, and S1PL was attenuated by application of quercetin. In addition, the effect of quercetin on fibrosis was abolished by the ectopic expression of SphK1. The colocalization of SphK1/S1PL and fibroblast specific protein 1 (FSP1) suggested the roles of fibroblasts in pulmonary fibrosis. In summary, we demonstrated that quercetin ameliorated pulmonary fibrosis in vivo and in vitro by inhibiting SphK1/S1P signaling.
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Affiliation(s)
- Xingcai Zhang
- Department of Respiratory Medicine, The Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250011, People’s Republic of China
| | - Yuli Cai
- Department of Joint Surgery, The Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250011, People’s Republic of China
| | - Wei Zhang
- Department of Respiratory Medicine, The Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250011, People’s Republic of China
| | - Xianhai Chen
- Department of Respiratory Medicine, The Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250011, People’s Republic of China
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Liu M, Li S, Zhang Q, Xu Z, Wang J, Sun H. Oral engineered Bifidobacterium longum expressing rhMnSOD to suppress experimental colitis. Int Immunopharmacol 2018; 57:25-32. [PMID: 29455070 DOI: 10.1016/j.intimp.2018.02.004] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Revised: 01/22/2018] [Accepted: 02/09/2018] [Indexed: 12/13/2022]
Abstract
In recent years, using genetic engineering and bioengineering techniques, Bifidobacterium as a carrier to express specific functions of the protein or polypeptide, has become a new treatment for disease. Ulcerative colitis (UC) is a type of inflammatory bowel diseases (IBD). Although the cause of this inflammatory disorder is still unknown, a large amount of evidence suggests that ulcerative colitis is associated with increased activity of reactive oxygen species (ROS), manganese superoxide dismutase (MnSOD) is a kind of superoxide dismutase (SOD) has been demonstrated to play a key role in the pathophysiology of colitis. Here, we explored the Bifidobacterium as a drug delivery system to orally deliver a potent anti-inflammatory but poor penetration and stability antioxidant enzymes human MnSOD, transported into cells by a penetratin PEP-1. We constructed an expression vector expressing PEP-1-hMnSOD fusion protein, and successfully expressed hMnSOD fusion protein in engineered Bifidobacterium. Then we identified the bioactivity of engineered Bifidobacterium in LPS-induced inflammatory cell model. Finally, we used Bifidobacterium expressing PEP-1-hMnSOD fusion protein against DSS-induced ulcerative colitis mice. B. longum-PEP-1-rhMnSOD can successfully express rhMnSOD in the colon. We found that levels of inflammatory cytokines TNF-α, IL-1β, IL-6 and IL-8 as well as histological damage in colonic tissues showed that engineered Bifidobacterium effectively reduced dextran sulfate sodium(DSS)-induced ulcerative colitis, we also tested the MPO, verified the above conclusions. These results suggest that oral Bifidobacterium expressing PEP-1-hMnSOD fusion protein can be treated as a new method of UC treatment.
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Affiliation(s)
- Mengge Liu
- Institute of Genomic Medicine, College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Shiyu Li
- Genetic Engineering Research Institute, Southern Medical University, Guangzhou 510515, China
| | - Qian Zhang
- Institute of Genomic Medicine, College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Zhenrui Xu
- Institute of Genomic Medicine, College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Jiajia Wang
- Institute of Genomic Medicine, College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Hanxiao Sun
- Institute of Genomic Medicine, College of Pharmacy, Jinan University, Guangzhou 510632, China.
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Abdel-Zaher AO, Farghaly HSM, El-Refaiy AEM, Abd-Eldayem AM. Protective effect of the standardized leaf extract of Ginkgo biloba (EGb761) against hypertension-induced renal injury in rats. Clin Exp Hypertens 2018; 40:703-714. [PMID: 29351002 DOI: 10.1080/10641963.2018.1425421] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
BACKGROUND Ginkgo biloba leaves extract has been widely used worldwide to protect against oxidative stress-induced cell damage and improves blood circulation. METHODS The potential protective role of the standardized leaf extract of Ginkgo biloba (EGb761) on hypertension-induced renal injury was investigated in rats. Hypertension was induced in rats by L-NAME. RESULT Repeated treatment with EGb761 produced progressive reductions in the systolic, diastolic and mean arterial blood pressure. Also, EGb761 increased the progressive reductions in blood pressure induced by losartan. Hypertension-induced marked elevation of renal malondialdehyde (MDA) and nitrite levels and reduction of reduced glutathione (GSH) level were inhibited by EGb761. In addition, hypertension-induced increases in tumor necrosis factor-alpha (TNF-α), interleukin-6 (IL-6) and interleukin-1β (IL-1β)) levels in renal tissues were inhibited by EGb761. Also, treatment with EGb761 inhibited hypertension-induced decrease in endothelial nitric oxide synthase (eNOS) protein expression and increase in the protein expressions of inducible NO synthase (iNOS), TNF-α, IL-6 and IL-1B in the kidney tissues. EGb761 enhanced losartan effects on renal tissues oxidative stress, nitrite, and inflammatory markers levels and on protein expressions of eNOS, iNOS, TNF-α, IL-6 and IL-1B. effects. CONCLUSIONS These results indicate that EGb761 has the ability to protect against hypertension-induced renal injury.
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Affiliation(s)
- Ahmed O Abdel-Zaher
- a Pharmacology Department, Assiut University, Faculty of Medicine , Assiut , Egypt
| | - Hanan S M Farghaly
- a Pharmacology Department, Assiut University, Faculty of Medicine , Assiut , Egypt
| | - Abeer E M El-Refaiy
- b Pathology Department, Assiut University, Faculty of Medicine , Assiut , Egypt
| | - Ahmed M Abd-Eldayem
- a Pharmacology Department, Assiut University, Faculty of Medicine , Assiut , Egypt
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Liu Q, Lv H, Wen Z, Ci X, Peng L. Isoliquiritigenin Activates Nuclear Factor Erythroid-2 Related Factor 2 to Suppress the NOD-Like Receptor Protein 3 Inflammasome and Inhibits the NF-κB Pathway in Macrophages and in Acute Lung Injury. Front Immunol 2017; 8:1518. [PMID: 29163554 PMCID: PMC5677786 DOI: 10.3389/fimmu.2017.01518] [Citation(s) in RCA: 82] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Accepted: 10/26/2017] [Indexed: 01/11/2023] Open
Abstract
Among the cellular response mechanisms, the nuclear factor erythroid-2 related factor 2 (Nrf2) pathway is considered a survival pathway that alleviates oxidative injury, while both the NOD-like receptor protein 3 (NLRP3) and NF-κB pathways are pro-inflammatory pathways that cause damage to cells. These pathways are implicated in the development and resolution of acute lung injury (ALI). Isoliquiritigenin (ISL), a flavonoid from the liquorice compound, is suggested to be a regulator of the above pathways, but the mechanisms of how the NLRP3/NF-κB pathway interacts with Nrf2 and its protective effects in ALI remain unknown. In the present study, ISL inhibited reactive oxygen species (ROS) generation and cytotoxicity induced by t-BHP and pro-inflammatory enzymes production induced by LPS in RAW 264.7 cells. Such cytoprotective effects coincided with the induction of AMP-activated protein kinase (AMPK)/Nrf2/antioxidant response element (ARE) signaling and the suppression of the NLRP3 and NF-κB pathways. Consistent with these findings, ISL treatment significantly alleviated lung injury in LPS-induced ALI mice, which was reflected by reductions in histopathological changes, pulmonary edema, and protein leakage. At the same time, the increased levels of inflammatory cell exudation and pro-inflammatory mediators, the enhanced production of ROS, myeloperoxidase, and malondialdehyde, and the depleted expression of GSH and superoxide dismutase induced by LPS were ameliorated by ISL. Furthermore, ISL notably activated AMPK/Nrf2/ARE signaling and inhibited LPS-induced NLRP3 and NF-κB activation in the lung. Moreover, although inhibition of the LPS-induced histopathological changes and ROS production were attenuated in Nrf2-deficient mice, the repression of the NLRP3 and NF-κB pathways by ISL was Nrf2-dependent and Nrf2-independent, respectively. In conclusion, our results are the first to highlight the beneficial role and relevant mechanisms of ISL in LPS-induced ALI and provide novel insight into its application.
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Affiliation(s)
- Qinmei Liu
- Department of Respiration, The First Hospital of Jilin University, Changchun, China
| | - Hongming Lv
- Department of Respiration, The First Hospital of Jilin University, Changchun, China
| | - Zhongmei Wen
- Department of Respiration, The First Hospital of Jilin University, Changchun, China
| | - Xinxin Ci
- Department of Respiration, The First Hospital of Jilin University, Changchun, China
| | - Liping Peng
- Department of Respiration, The First Hospital of Jilin University, Changchun, China
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Tang Y, Zhou G, Yao L, Xue P, Yu D, Xu R, Shi W, Yao X, Yan Z, Duan JA. Protective effect of Ginkgo biloba leaves extract, EGb761, on myocardium injury in ischemia reperfusion rats via regulation of TLR-4/NF-κB signaling pathway. Oncotarget 2017; 8:86671-86680. [PMID: 29156826 PMCID: PMC5689716 DOI: 10.18632/oncotarget.21372] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2017] [Accepted: 08/29/2017] [Indexed: 11/25/2022] Open
Abstract
Beneficial actions of EGb 761 against ischemia/reperfusion (I/R) injury in lung, brain and renal ischemia have been described. However, the relationship between EGb 761 and signal molecules in myocardial ischemia reperfusion has not been well elucidated. In this study, we investigated the effects and mechanism of EGb 761 preconditioning on anti-myocardial I/R injuries in vivo. Meanwhile, their potential anti-oxidative stress and anti-inflammation effect were assessed. Hemodynamic parameters were monitored as left ventricular systolic pressure, LV end-diastolic pressure and maximal rate of increase and decrease of left ventricular pressure (dP/dtmax). The oxidative stress indicators and inflammatory factors were also evaluated. Western blot method was used for analysis of toll-like receptor 4 (TLR4), p-TLR4, nuclear factor-κB (NF-κB), p-NF-κB p65, Bax and Bcl-2 protein expressions. EGb 761 significantly improved cardiac function, decreased levels of creatine kinase, aspartate aminotransferase and lactate dehydrogenase. EGb 761 also restrained the oxidative stress related to myocardial ischemia injury as evidenced by decreased malondialdehyde, superoxide dismutase, catalase, glutathione-peroxidase, glutathione reductase activity. Meanwhile, the inflammatory cascade was inhibited as evidenced by decreased cytokines such as tumor necrosis factor-α, interleukin-6 and interleukin-1β. Our results still showed that EGb 761 pretreatment significantly decrease the level of cleaved Bax, and increase the level of Bcl-2 in rats subjected to I/R injury. Simultaneously, the expressions of myocardial TLR4 and NF-κB were significantly decreased. It can be concluded that EGb 761 pretreatment was protected against myocardium I/R injury by decreasing oxidative stress, repressing inflammatory cascade in vivo and inhibiting TLR4/NF-κB pathway.
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Affiliation(s)
- Yuping Tang
- Shaanxi Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Shaanxi University of Chinese Medicine, Xianyang, 712083, China
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Guisheng Zhou
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Lijun Yao
- Department of Pharmacy, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
| | - Ping Xue
- Changzhou Institute for Food and Drug Control, Changzhou, 213000, China
| | - Danhong Yu
- The Children’s Hospital Affiliated to Soochow University, Suzhou, 215006, China
| | - Renjie Xu
- Shaoxing Second Hospital, Shaoxing, 312000, China
| | - Wen Shi
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Xin Yao
- Department of Pharmacy, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
| | - Zhaowei Yan
- Department of Pharmacy, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
| | - Jin-Ao Duan
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing, 210023, China
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Abdel-Zaher AO, Farghaly HSM, El-Refaiy AEM, Abd-Eldayem AM. Protective effect of the standardized extract of ginkgo biloba (EGb761) against hypertension with hypercholesterolemia-induced renal injury in rats: Insights in the underlying mechanisms. Biomed Pharmacother 2017; 95:944-955. [PMID: 28915536 DOI: 10.1016/j.biopha.2017.08.078] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Revised: 08/01/2017] [Accepted: 08/20/2017] [Indexed: 02/01/2023] Open
Abstract
The potential protective role of the standardized leaf extract of ginkgo biloba (EGb761) on hypertension with hypercholesterolemia-induced renal injury was investigated in rats. Hypertension was induced by L-N(G)-nitroarginine methyl ester (L-NAME) and hypercholesterolemia was induced by feeding rats with a diet containing 1% cholesterol. In these animals repeated treatment with EGb761 produced a progressive reduction in the systolic, diastolic and mean arterial blood pressure (BP). EGb761 increased the progressive reduction in the systolic, diastolic and mean arterial BP induced by repeated administration of losartan with simvastatin. EGb761 corrected the compromised serum lipid profile and enhanced the effect of losartan with simvastatin on lipid profile. EGb761 protected against hypertension with hypercholesterolemia-induced renal injury as assessed by measurement of serum renal function markers and by histopathological examination. EGb761 enhanced the renoprotective effect of losartan with simvastatin in these rats. Concomitantly, hypertension with hypercholesterolemia-induced elevation of renal tissue malondialdehyde (MDA) and nitrite levels and reduction of intracellular reduced glutathione (GSH) level were inhibited by repeated treatment with EGb761. In addition, hypertension with hypercholesterolemia-induced increases in tumor necrosis factor-alpha (TNF-α), interleukin-6 (IL-6) and interleukin-1β (IL-1β) levels in renal tissues were inhibited by treatment with EGb761. Also, EGb761 inhibited hypertension with hypercholesterolemia-induced decrease in endothelial nitric oxide synthase (eNOS) protein expression and increase in the protein expressions of inducible NO synthase (iNOS), TNF-α, IL-6 and IL-1β in the kidney tissues. Losartan with simvastatin produced similar effects on renal tissues oxidative stress, nitrite and inflammatory markers levels and on protein expressions of eNOS, iNOS, TNF-α, IL-6 and IL-1β. EGb761 enhanced losartan with simvastatin effects. These results indicate that EGb761 has the ability to protect against hypertension with hypercholesterolemia-induced renal injury. The ability of EGb761 to provide this renoprotective effect may positively correlate, besides its antihypertensive and antihypercholesterolemic effects, to its ability to suppress renal oxidative stress, nitrosative stress and inflammation.
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Affiliation(s)
- Ahmed O Abdel-Zaher
- Department of Pharmacology, Faculty of Medicine, Assiut University, Assiut, Egypt.
| | - Hanan S M Farghaly
- Department of Pharmacology, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Abeer E M El-Refaiy
- Department of Pathology, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Ahmed M Abd-Eldayem
- Department of Pharmacology, Faculty of Medicine, Assiut University, Assiut, Egypt
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32
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Paulis G, Paulis A, Romano G, Barletta D, Fabiani A. Rationale of combination therapy with antioxidants in medical management of Peyronie's disease: results of clinical application. Res Rep Urol 2017; 9:129-139. [PMID: 28791261 PMCID: PMC5530853 DOI: 10.2147/rru.s141748] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Peyronie's disease (PD) is a connective tissue disorder involving the tunica albuginea of the corpora cavernosa of the penis. We have published several studies describing a "combined therapy" for PD patients, but the present study aims to clearly demonstrate how the association between various antioxidants in PD treatment can significantly increase the likelihood of therapeutic success. We used the following substances: silymarin, ginkgo biloba, vitamin E, bilberry, topical diclofenac sodium, and pentoxifylline (PTX). We analyzed the therapeutic impact and possible side effects of one or more antioxidants in patients with early-stage PD. To clearly prove that it is possible to achieve better results when combining more than one agent, we designed this study with five treatment groups, corresponding, respectively, to the administration of a single oral antioxidant; two oral antioxidants; three oral antioxidants; five oral antioxidants + local diclofenac; and five oral antioxidants + local diclofenac + PTX by perilesional injection. One hundred and twenty patients were assigned to five groups of treatment designed according to the abovementioned study aim. Outcomes after 6 months of treatment showed that combined antioxidant therapy is effective in treating PD. Statistical analysis showed significant differences between the treatment groups with regard to: improvement and disappearance of penile pain; percentage of reduction in the volume of penile plaque; reduction in penile curvature; recovery of erectile function in patients with erectile dysfunction; increase in the International Index of Erectile Function score; and reduction of psychosexual impact. Furthermore, we observed that the clinical efficacy of combined therapy is greater when topical use of diclofenac gel and perilesional injection of PTX are added to oral treatment with more than one antioxidant. Although several articles have already been published reporting the effectiveness of combined treatment in PD, this is the first study clearly proving how, as the number of substances used in treatment rises, a proportionally greater therapeutic effect is achieved.
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Affiliation(s)
- Gianni Paulis
- Department of Surgical Sciences, Andrology Center, Regina Apostolorum Hospital, Rome, Italy.,Department of Uro-Andrology, Peyronie's Disease Care Center, Rome, Italy
| | - Andrea Paulis
- Section of Psycho-Sexology, Peyronie's Disease Care Center, Rome, Italy
| | - Gennaro Romano
- Department of Urologic Oncology, Section of Avellino, Italian League against Cancer, Avellino, Italy
| | - Davide Barletta
- Department of Urology, Andrology Center, San Matteo Hospital, Pavia, Italy
| | - Andrea Fabiani
- Department of Surgery, Section of Urology and Andrology, Macerata, Italy
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Chao W, Deng JS, Huang SS, Li PY, Liang YC, Huang GJ. 3, 4-dihydroxybenzalacetone attenuates lipopolysaccharide-induced inflammation in acute lung injury via down-regulation of MMP-2 and MMP-9 activities through suppressing ROS-mediated MAPK and PI3K/AKT signaling pathways. Int Immunopharmacol 2017. [PMID: 28644965 DOI: 10.1016/j.intimp.2017.06.014] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
3, 4-Dihydroxybenzalacetone (DBL) is a constituent of Phellinus linteus. This study demonstrated the protective effect of DBL on lipopolysaccharide (LPS)-induced acute lung injuries in mice. Pretreatment with DBL significantly improved LPS-induced histological alterations in lung tissues. In addition, DBL markedly reduced the total cell number, the leukocytes, the protein concentrations, and decreased the release of nitrite, tumor necrosis factor (TNF)-α, interleukin (IL)-1β, IL-6 and the activities of matrix metalloproteinase (MMP)-2 and -9 in the bronchoalveolar lavage fluid. DBL also inhibited the W/D ratio and myeloperoxidase activity in the lung tissues. Western blot analysis indicated DBL efficiently blocked the protein expressions of inducible nitric oxide synthase, cyclooxygenase-2, MMP-2, MMP-9, and the phosphorylation of mitogen-activated protein kinase (MAPK), phosphoinositide-3-kinase (PI3K), AKT, Toll-like receptor 4 (TLR4) and nuclear factor (NF)-κB. Moreover, DBL enhanced the expression of anti-oxidant proteins, such as superoxide dismutase (SOD), catalase and glutathione peroxidase (GPx). Based on our results, DBL might be a potential target for attenuating tissue oxidative injuries and nonspecific pulmonary inflammation.
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Affiliation(s)
- Wei Chao
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, College of Chinese Medicine, China Medical University, Taichung 404, Taiwan
| | - Jeng-Shyan Deng
- Department of Health and Nutrition Biotechnology, Asia University, Taichung, Taiwan
| | - Shyh-Shyun Huang
- School of Pharmacy, College of Pharmacy, China Medical University, Taichung 404, Taiwan
| | - Pei-Ying Li
- School of Pharmacy, College of Pharmacy, China Medical University, Taichung 404, Taiwan
| | - Yu-Chia Liang
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, College of Chinese Medicine, China Medical University, Taichung 404, Taiwan
| | - Guan-Jhong Huang
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, College of Chinese Medicine, China Medical University, Taichung 404, Taiwan.
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Ho YC, Lee SS, Yang ML, Huang-Liu R, Lee CY, Li YC, Kuan YH. Zerumbone reduced the inflammatory response of acute lung injury in endotoxin-treated mice via Akt-NFκB pathway. Chem Biol Interact 2017; 271:9-14. [PMID: 28442377 DOI: 10.1016/j.cbi.2017.04.017] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Revised: 03/31/2017] [Accepted: 04/20/2017] [Indexed: 01/03/2023]
Abstract
Zerumbone, a cyclic eleven-membered sesquiterpene, is the major component of the essential oil isolated from the wild ginger, Zingiber zerumbet. There are several beneficial pharmacological activities of zerumbone including anti-inflammatory, antioxidant, and anticancer activities. Acute lung injury (ALI) is an acute pulmonary inflammatory disorder with high morbidity and mortality rate. In present study, we aimed to investigate the protective effects and mechanisms of zerumbone on endotoxin, lipopolysaccharide (LPS)-induced ALI. Mice were pretreated with zerumbone at various concentrations for 30 min followed by intratracheal administration of LPS for 6 h. Pretreatment with zerumbone not only reduced leukocytes infiltration into the alveolar space but also inhibited lung edema in LPS-induced ALI. Decreased secretion of proinflammatory cytokines such as TNFα and IL-6 caused by LPS were reversed by zerumbone. LPS-induced expressions of proinflammatory mediators, iNOS and COX-2, were inhibited by zerumbone. In addition, NFκB activation and Akt phosphorylation were inhibited by zerumbone in LPS-induced ALI. All these results suggested that the protective mechanisms of zerumbone on endotoxin-induced ALI were via inhibition of Akt-NFκB activation.
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Affiliation(s)
- Yung-Chyuan Ho
- School of Medical Applied Chemistry, Chung Shan Medical University, Taichung, Taiwan
| | - Shiuan-Shinn Lee
- School of Public Health, Chung Shan Medical University, Taichung, Taiwan
| | - Ming-Ling Yang
- Department of Anatomy, School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Rosa Huang-Liu
- School of Nutrition, Chung Shan Medical University, Taichung, Taiwan
| | - Chien-Ying Lee
- Department of Pharmacology, School of Medicine, Chung Shan Medical University, Taichung, Taiwan; Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Yi-Ching Li
- Department of Pharmacology, School of Medicine, Chung Shan Medical University, Taichung, Taiwan; Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Yu-Hsiang Kuan
- Department of Pharmacology, School of Medicine, Chung Shan Medical University, Taichung, Taiwan; Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan.
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Protective effect of zerumbone reduces lipopolysaccharide-induced acute lung injury via antioxidative enzymes and Nrf2/HO-1 pathway. Int Immunopharmacol 2017; 46:194-200. [DOI: 10.1016/j.intimp.2017.03.008] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Revised: 02/17/2017] [Accepted: 03/07/2017] [Indexed: 01/08/2023]
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36
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Bai Y, Wang Y, Liu M, Gu YH, Jiang B, Wu X, Wang HL. Suppression of nuclear factor erythroid‑2‑related factor 2‑mediated antioxidative defense in the lung injury induced by chronic exposure to methamphetamine in rats. Mol Med Rep 2017; 15:3135-3142. [PMID: 28339044 DOI: 10.3892/mmr.2017.6356] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Accepted: 02/10/2017] [Indexed: 11/06/2022] Open
Abstract
The imbalance between oxidative stress and antioxidant defense is important in the pathogenesis of lung diseases. Nuclear factor erythroid‑2‑related factor 2 (Nrf2) is a key transcriptional factor that regulates the antioxidant response. The purpose of the present study was to investigate whether Nrf2‑mediated antioxidative defense is involved in methamphetamine (MA)‑induced lung injury in rats. Following establishment of chronic MA toxicity in rats, Doppler ultrasonic detection was used to measure the changes of physiological indexes, followed by hematoxylin and eosin staining, ELISA and western blot analysis. MA was demonstrated to increase the heart rate and peak blood flow velocity of pulmonary arterial valves and to decrease the survival rate of rats, and resulted in lung injury characterized by perivascular exudates, airspace edema, slight hemorrhage and inflammatory cell infiltration. MA significantly inhibited the expression of nuclear Nrf2 protein and its target genes (glutamate‑cysteine ligase catalytic subunit C and heme oxygenase‑1), and dose‑dependently reduced glutathione (GSH) levels and the ratio of GSH/oxidized glutathione, accompanied by increases in reactive oxygen species (ROS) levels in rat lungs. Linear regression analysis revealed that there was a positive correlation between lung ROS level and lung injury indexes. These findings suggested that chronic exposure to MA led to lung injury by suppression of Nrf2‑mediated antioxidative defense, suggesting that Nrf2 may be an important therapeutic target for MA‑induced chronic lung toxicity.
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Affiliation(s)
- Yang Bai
- Department of Clinical Pharmacology, School of Pharmacy, China Medical University, Shenyang, Liaoning 110122, P.R. China
| | - Yun Wang
- Department of Clinical Pharmacology, School of Pharmacy, China Medical University, Shenyang, Liaoning 110122, P.R. China
| | - Ming Liu
- Department of Drug Control, China Criminal Police University, Shenyang, Liaoning 110035, P.R. China
| | - Yu-Han Gu
- Department of Clinical Pharmacology, School of Pharmacy, China Medical University, Shenyang, Liaoning 110122, P.R. China
| | - Bin Jiang
- Department of Cardiovascular Ultrasound, The First Hospital, China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Xu Wu
- Department of Forensic Pathology, School of Forensic Medicine, China Medical University, Shenyang, Liaoning 110122, P.R. China
| | - Huai-Liang Wang
- Department of Clinical Pharmacology, School of Pharmacy, China Medical University, Shenyang, Liaoning 110122, P.R. China
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Lv H, Liu Q, Wen Z, Feng H, Deng X, Ci X. Xanthohumol ameliorates lipopolysaccharide (LPS)-induced acute lung injury via induction of AMPK/GSK3β-Nrf2 signal axis. Redox Biol 2017; 12:311-324. [PMID: 28285192 PMCID: PMC5345976 DOI: 10.1016/j.redox.2017.03.001] [Citation(s) in RCA: 300] [Impact Index Per Article: 42.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2017] [Revised: 02/10/2017] [Accepted: 03/01/2017] [Indexed: 01/11/2023] Open
Abstract
Abundant natural flavonoids can induce nuclear factor-erythroid 2 related factor 2 (Nrf2) and/or AMP-activated protein kinase (AMPK) activation, which play crucial roles in the amelioration of various inflammation- and oxidative stress-induced diseases, including acute lung injury (ALI). Xanthohumol (Xn), a principal prenylflavonoid, possesses anti-inflammation and anti-oxidant activities. However, whether Xn could protect from LPS-induced ALI through inducing AMPK/Nrf2 activation and its downstream signals, are still poorly elucidated. Accordingly, we focused on exploring the protective effect of Xn in the context of ALI and the involvement of underlying molecular mechanisms. Our findings indicated that Xn effectively alleviated lung injury by reduction of lung W/D ratio and protein levels, neutrophil infiltration, MDA and MPO formation, and SOD and GSH depletion. Meanwhile, Xn significantly lessened histopathological changes, reactive oxygen species (ROS) generation, several cytokines secretion, and iNOS and HMGB1 expression, and inhibited Txnip/NLRP3 inflammasome and NF-κB signaling pathway activation. Additionally, Xn evidently decreased t-BHP-stimulated cell apoptosis, ROS generation and GSH depletion but increased various anti-oxidative enzymes expression regulated by Keap1-Nrf2/ARE activation, which may be associated with AMPK and GSK3β phosphorylation. However, Xn-mediated inflammatory cytokines and ROS production, histopathological changes, Txnip/NLRP3 inflammasome and NF-κB signaling pathway in WT mice were remarkably abrogated in Nrf2-/- mice. Our experimental results firstly provided a support that Xn effectively protected LPS-induced ALI against oxidative stress and inflammation damage which are largely dependent upon upregulation of the Nrf2 pathway via activation of AMPK/GSK3β, thereby suppressing LPS-activated Txnip/NLRP3 inflammasome and NF-κB signaling pathway. Xn protects LPS-induced acute lung injury via anti-inflammation and anti-oxidant. Xn induces expressions of GCLC, GCLM, HO-1, NQO-1 and Trx-1. Xn blocks NF-κB and Txnip/NLRP3 inflammasome activation. Xn upregulates AMPK/GSK3β-Nrf2 signal axis. Xn-attenuated acute lung injury is effectively abrogated in Nrf2-/- mice.
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Affiliation(s)
- Hongming Lv
- Institute of Translational Medicine, The First Hospital, Jilin University, Changchun 130001, China; Key Laboratory of Zoonosis, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun 130061, China
| | - Qinmei Liu
- Institute of Translational Medicine, The First Hospital, Jilin University, Changchun 130001, China
| | - Zhongmei Wen
- Institute of Translational Medicine, The First Hospital, Jilin University, Changchun 130001, China
| | - Haihua Feng
- Key Laboratory of Zoonosis, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun 130061, China
| | - Xuming Deng
- Institute of Translational Medicine, The First Hospital, Jilin University, Changchun 130001, China; Key Laboratory of Zoonosis, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun 130061, China
| | - Xinxin Ci
- Institute of Translational Medicine, The First Hospital, Jilin University, Changchun 130001, China.
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Kim HP, Lim H, Kwon YS. Therapeutic Potential of Medicinal Plants and Their Constituents on Lung Inflammatory Disorders. Biomol Ther (Seoul) 2017; 25:91-104. [PMID: 27956716 PMCID: PMC5340533 DOI: 10.4062/biomolther.2016.187] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Revised: 09/21/2016] [Accepted: 10/04/2016] [Indexed: 12/16/2022] Open
Abstract
Acute bronchitis and chronic obstructive pulmonary diseases (COPD) are essentially lung inflammatory disorders. Various plant extracts and their constituents showed therapeutic effects on several animal models of lung inflammation. These include coumarins, flavonoids, phenolics, iridoids, monoterpenes, diterpenes and triterpenoids. Some of them exerted inhibitory action mainly by inhibiting the mitogen-activated protein kinase pathway and nuclear transcription factor-κB activation. Especially, many flavonoid derivatives distinctly showed effectiveness on lung inflammation. In this review, the experimental data for plant extracts and their constituents showing therapeutic effectiveness on animal models of lung inflammation are summarized.
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Affiliation(s)
- Hyun Pyo Kim
- College of Pharmacy, Kangwon National University, Chuncheon 24341,
Republic of Korea
| | - Hyun Lim
- College of Pharmacy, Kangwon National University, Chuncheon 24341,
Republic of Korea
| | - Yong Soo Kwon
- College of Pharmacy, Kangwon National University, Chuncheon 24341,
Republic of Korea
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Lin WC, Deng JS, Huang SS, Wu SH, Chen CC, Lin WR, Lin HY, Huang GJ. Anti-Inflammatory Activity of Sanghuangporus sanghuang Mycelium. Int J Mol Sci 2017; 18:ijms18020347. [PMID: 28178212 PMCID: PMC5343882 DOI: 10.3390/ijms18020347] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Revised: 01/18/2017] [Accepted: 01/20/2017] [Indexed: 12/18/2022] Open
Abstract
Acute lung injury (ALI) is characterized by inflammation of the lung tissue and oxidative injury caused by excessive accumulation of reactive oxygen species. Studies have suggested that anti-inflammatory or antioxidant agents could be used for the treatment of ALI with a good outcome. Therefore, our study aimed to test whether the mycelium extract of Sanghuangporus sanghuang (SS-1), believed to exhibit antioxidant and anti-inflammatory properties, could be used against the excessive inflammatory response associated with lipopolysaccharides (LPS)-induced ALI in mice and to investigate its possible mechanism of action. The experimental results showed that the administration of SS-1 could inhibit LPS-induced inflammation. SS-1 could reduce the number of inflammatory cells, inhibit myeloperoxidase (MPO) activity, regulate the TLR4/PI3K/Akt/mTOR pathway and the signal transduction of NF-κB and MAPK pathways in the lung tissue, and inhibit high mobility group box-1 protein 1 (HNGB1) activity in BALF. In addition, SS-1 could affect the synthesis of antioxidant enzymes Heme oxygenase 1 (HO-1) and Thioredoxin-1 (Trx-1) in the lung tissue and regulate signal transduction in the KRAB-associated protein-1 (KAP1)/nuclear factor erythroid-2-related factor Nrf2/Kelch Like ECH associated Protein 1 (Keap1) pathway. Histological results showed that administration of SS-1 prior to induction could inhibit the large-scale LPS-induced neutrophil infiltration of the lung tissue. Therefore, based on all experimental results, we propose that SS-1 exhibits a protective effect against LPS-induced ALI in mice. The mycelium of S. sanghuang can potentially be used for the treatment or prevention of inflammation-related diseases.
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Affiliation(s)
- Wang-Ching Lin
- School of Pharmacy, China Medical University, Taichung 404, Taiwan.
| | - Jeng-Shyan Deng
- Department of Health and Nutrition Biotechnology, Asia University, Taichung 413, Taiwan.
| | - Shyh-Shyun Huang
- School of Pharmacy, China Medical University, Taichung 404, Taiwan.
| | - Sheng-Hua Wu
- Department of Biology, National Museum of Natural Science, Taichung 404, Taiwan.
| | - Chin-Chu Chen
- Grape King Biotechnology Center, Chung-Li City 320, Taiwan.
| | - Wan-Rong Lin
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, College of Pharmacy, China Medical University, Taichung 404, Taiwan.
| | - Hui-Yi Lin
- School of Pharmacy, China Medical University, Taichung 404, Taiwan.
| | - Guan-Jhong Huang
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, College of Pharmacy, China Medical University, Taichung 404, Taiwan.
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40
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Lin WC, Deng JS, Huang SS, Lin WR, Wu SH, Lin HY, Huang GJ. Anti-inflammatory activity of Sanghuangporus sanghuang by suppressing the TLR4-mediated PI3K/AKT/mTOR/IKKβ signaling pathway. RSC Adv 2017. [DOI: 10.1039/c7ra01000a] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Sanghuangporus sanghuang (SS) is a mushroom that belongs to the genus Sanghuangporus and it is commonly called “Sangwhang” in Taiwan.
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Affiliation(s)
- Wang-Ching Lin
- School of Pharmacy
- China Medical University
- Taichung 404
- Taiwan
| | - Jeng-Shyan Deng
- Department of Health and Nutrition Biotechnology
- Asia University
- Taichung 413
- Taiwan
| | | | - Wan-Rong Lin
- School of Chinese Pharmaceutical Sciences and Chinese Medicine Resources
- College of Chinese Medicine
- China Medical University
- Taichung 404
- Taiwan
| | - Sheng-Hua Wu
- Department of Biology
- National Museum of Natural Science
- Taichung 404
- Taiwan
| | - Hui-Yi Lin
- School of Pharmacy
- China Medical University
- Taichung 404
- Taiwan
| | - Guan-Jhong Huang
- School of Chinese Pharmaceutical Sciences and Chinese Medicine Resources
- College of Chinese Medicine
- China Medical University
- Taichung 404
- Taiwan
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41
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Gao J, Chen T, Zhao D, Zheng J, Liu Z. Ginkgolide B Exerts Cardioprotective Properties against Doxorubicin-Induced Cardiotoxicity by Regulating Reactive Oxygen Species, Akt and Calcium Signaling Pathways In Vitro and In Vivo. PLoS One 2016; 11:e0168219. [PMID: 27973574 PMCID: PMC5156426 DOI: 10.1371/journal.pone.0168219] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Accepted: 11/08/2016] [Indexed: 12/30/2022] Open
Abstract
The aim of this study was to evaluate the effect of Ginkgolide B (GB) on doxorubicin (DOX) induced cardiotoxicity in vitro and in vivo. Rat cardiomyocyte cell line H9c2 was pretreated with GB and subsequently subjected to doxorubicin treatment. Cell viability and cell apoptosis were assessed by MTT assay and Hoechst staining, respectively. Reactive oxygen species (ROS), Akt phosphorylation and intracellular calcium were equally determined in order to explore the underlying molecular mechanism. To verify the in vivo therapeutic effect of GB, we established a mouse model of cardiotoxicity and determined left ventricle ejection fraction (LVEF) and left ventricular mass (LVM). The in vitro experimental results indicated that pretreatment with GB significantly decreases the viability and apoptosis of H9c2 cells by decreasing ROS and intracellular calcium levels and activating Akt phosphorylation. In the in vivo study, we recorded an improved LVEF and a decreased LVM in the group of cardiotoxic rats treated with GB. Altogether, our findings anticipate that GB exerts a cardioprotective effect through possible regulation of the ROS, Akt and calcium pathways. The findings suggest that combination of GB with DOX in chemotherapy could help avoid the cardiotoxic side effects of GB.
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Affiliation(s)
- Junqing Gao
- Department of Cardiology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
| | - Tao Chen
- Department of Cardiology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
| | - Deqiang Zhao
- Department of Cardiology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
| | - Jianpu Zheng
- Department of Cardiology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
| | - Zongjun Liu
- Department of Cardiology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, People’s Republic of China
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Huang YC, Horng CT, Chen ST, Lee SS, Yang ML, Lee CY, Kuo WH, Yeh CH, Kuan YH. Rutin improves endotoxin-induced acute lung injury via inhibition of iNOS and VCAM-1 expression. ENVIRONMENTAL TOXICOLOGY 2016; 31:185-191. [PMID: 25080890 DOI: 10.1002/tox.22033] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2014] [Revised: 07/14/2014] [Accepted: 07/18/2014] [Indexed: 06/03/2023]
Abstract
Endotoxins exist anywhere including in water pools, dust, humidifier systems, and machining fluids. The major causal factor is endotoxins in many serious diseases, such as fever, sepsis, multi-organ failure, meningococcemia, and severe morbidities like neurologic disability, or hearing loss. Endotoxins are also called lipopolysaccharide (LPS) and are important pathogens of acute lung injury (ALI). Rutin has potential beneficial effects including anti-inflammation, antioxidation, anti-hyperlipidemia, and anti-platelet aggregation. Pre-treatment with rutin inhibited LPS-induced neutrophil infiltration in the lungs. LPS-induced expression of vascular cell adhesion molecule (VCAM)-1 and inducible nitric oxide synthase (iNOS) was suppressed by rutin, but there was no influence on expression of intercellular adhesion molecule-1 and cyclooxygenase-2. In addition, activation of the nuclear factor (NF)κB was reduced by rutin. Furthermore, we found that the inhibitory concentration of rutin on expression of VCAM-1 and iNOS was similar to NFκB activation. In conclusion, rutin is a potential protective agent for ALI via inhibition of neutrophil infiltration, expression of VCAM-1 and iNOS, and NFκB activation.
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Affiliation(s)
- Yi-Chun Huang
- School of Health, National Taichung University of Science and Technology, Taichung, Taiwan
| | - Chi-Ting Horng
- Medical Education Center, Kaohsiung Armed Forced General Hospital, Kaohsiung, Taiwan
- Department of Ophthalmology, Kaohsiung Armed Forced General Hospital, Kaohsiung, Taiwan
| | - Shyan-Tarng Chen
- School of Optometry, Chung Shan Medical University, Taichung, Taiwan
| | - Shiuan-Shinn Lee
- School of Public Health, Chung Shan Medical University, Taichung, Taiwan
| | - Ming-Ling Yang
- Department of Anatomy, School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Chien-Ying Lee
- Department of Pharmacology, School of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Wu-Hsien Kuo
- Department of Medicine, Kaohsiung Armed Forced General Hospital,Taiwan, Kaohsiung, Taiwan
- Department of Medicine, Tri-Service General Hospital, Taipei, Taiwan
| | - Chung-Hsin Yeh
- Department of Neurology, Show Chwan Memorial Hospital, Changhua, Taiwan
- Department of Nursing, College of Medicine & Nursing, Hung Kuang University, Taichung, Taiwan
| | - Yu-Hsiang Kuan
- Department of Pharmacology, School of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan
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Protective effects of pogostone against LPS-induced acute lung injury in mice via regulation of Keap1-Nrf2/NF-κB signaling pathways. Int Immunopharmacol 2016; 32:55-61. [PMID: 26800098 DOI: 10.1016/j.intimp.2016.01.007] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Revised: 12/30/2015] [Accepted: 01/07/2016] [Indexed: 12/13/2022]
Abstract
Pogostone, a major component of Pogostemon cablin, has been demonstrated to possess antibacterial, anti-fungal, immunosuppressive and anti-inflammatory properties. To investigate the potential therapeutic effect of pogostone on lipopolysaccharide (LPS)-induced acute lung injury (ALI), mice were pretreated with pogostone prior to LPS exposure. After LPS challenge, the lungs were excised and the histological changes, wet to dry weight ratios, MPO activity reflecting neutrophil infiltration, and MDA activity reflecting oxidative stress were examined. The inflammatory cytokines in the BALF were determined by ELISA assay. Moreover, the expressions of p65 and phosphorylated p65 subunit of NF-κB, and Nrf2 in the nucleus in lung tissues were measured by Western blot analysis, and meanwhile the dependent genes of NF-κB and Nrf2 were assessed by RT-qPCR. The results showed that pretreatment with pogostone markedly improved survival rate, attenuated the histological alterations in the lung, reduced the MPO and MDA levels, decreased the wet/dry weight ratio of lungs, down-regulated the level of pro-inflammatory mediators including TNF-a, IL-1β and IL-6. Furthermore, pretreatment with pogostone enhanced the Nrf2 dependent genes including NQO-1, GCLC and HO-1 but suppressed NF-κB regulated genes including TNF-α, IL-1β and IL-6. The mechanism behind the protective effect was correlated with its regulation on the balance between Keap1-Nrf2 and NF-κB signaling pathways. Therefore, pogostone may be considered as a potential therapeutic agent for preventing and treating ALI.
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Yeh YC, Yang CP, Lee SS, Horng CT, Chen HY, Cho TH, Yang ML, Lee CY, Li MC, Kuan YH. Acute lung injury induced by lipopolysaccharide is inhibited by wogonin in mice via reduction of Akt phosphorylation and RhoA activation. J Pharm Pharmacol 2016; 68:257-63. [DOI: 10.1111/jphp.12500] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Accepted: 10/28/2015] [Indexed: 12/24/2022]
Abstract
Abstract
Objectives
Neutrophil infiltration into the lung is the critical characteristic of acute lung injury (ALI), which is a clinical state with acute inflammatory syndrome. Up to now, there is no effective medicine for ALI. Wogonin has been shown to posses serval biological activities including anti-inflammation, anti-oxidant and anti-carcinoma.
Methods
Acute lung injury was induced by intratracheal injection of LPS, and wogonin at various concentrations was injected intraperitoneally 30 min prior to LPS. Contents of myeloperoxidase (MPO) and expression of chemokines and adhesion molecules were determined by commercially and ELISA assay kits, respectively. Akt phosphorylation and RhoA activation were measured by western blot and RhoA pull-down activation assay, respectively.
Key finding
Neutrophil infiltration was reduced by wogonin in a concentration-dependent manner in the LPS-induced ALI mice model. LPS-induced proinflammatory cytokines and adhesion molecules were inhibited by wogonin in bronchoalveolar lavage fluid (BALF) with LPS-induced ALI. Furthermore, wogonin suppressed Akt phosphorylation and RhoA activation in lungs in LPS-induced ALI. The similar parallel trend was observed as wogonin reduced LPS-induced neutrophils infiltration, proinflammatory cytokines generation, adhesion molecules expression, Akt phosphorylation, and RhoA activation.
Summary
These results suggested that the effects of wogonin in LPS-induced ALI were induced by inhibition of Akt phosphorylation and RhoA activation.
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Affiliation(s)
- Yen-Cheng Yeh
- Department of Internal Medicine, Kaohsiung Armed Forces General Hospital, Kaohsiung, Taiwan
| | - Ching-Ping Yang
- Department of Biotechology and Laboratory Science in Medicine, Yang-Ming University, Taipei, Taiwan
| | - Shiuan-Shinn Lee
- School of Public Health, Chung Shan Medical University, Taichung, Taiwan
| | - Chi-Ting Horng
- Medical Education Center, Kaohsiung Armed Forces General Hospitl, Kaohsiung City, Taiwan
- Institute of Biochemistry and Biotechnology, Chung Shang Medical University, Taichung, Taiwan
| | - Hung-Yi Chen
- School of Pharmacy, China Medical University, Taichung, Taiwan
| | - Ta-Hsiung Cho
- Department of Optometry, Shu Zen Junior College of Medicine and Management, Kaohsiung, Taiwan
| | - Ming-Ling Yang
- Department of Anatomy, School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Chien-Ying Lee
- Department of Pharmacology, School of Medicine, Chung Shan Medical University,, Taichung, Taiwan
- Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Miao-Cing Li
- Department of Pharmacology, School of Medicine, Chung Shan Medical University,, Taichung, Taiwan
| | - Yu-Hsiang Kuan
- Department of Pharmacology, School of Medicine, Chung Shan Medical University,, Taichung, Taiwan
- Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan
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Jiao R, Liu Y, Gao H, Xiao J, So KF. The Anti-Oxidant and Antitumor Properties of Plant Polysaccharides. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2016; 44:463-488. [DOI: 10.1142/s0192415x16500269] [Citation(s) in RCA: 111] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
Abstract
Oxidative stress has been increasingly recognized as a major contributing factor in a variety of human diseases, from inflammation to cancer. Although certain parts of signaling pathways are still under investigation, detailed molecular mechanisms for the induction of diseases have been elucidated, especially the link between excessive oxygen reactive species (ROS) damage and tumorigenesis. Emerging evidence suggests anti-oxidant therapy can play a key role in treating those diseases. Among potential drug resources, plant polysaccharides are natural anti-oxidant constituents important for human health because of their long history in ethnopharmacology, wide availability and few side effects upon consumption. Plant polysaccharides have been shown to possess anti-oxidant, anti-inflammation, cell viability promotion, immune-regulation and antitumor functions in a number of disease models, both in laboratory studies and in the clinic. In this paper, we reviewed the research progress of signaling pathways involved in the initiation and progression of oxidative stress- and cancer-related diseases in humans. The natural sources, structural properties and biological actions of several common plant polysaccharides, including Lycium barbarum, Ginseng, Zizyphus Jujuba, Astragalus lentiginosus, and Ginkgo biloba are discussed in detail, with emphasis on their signaling pathways. All of the mentioned common plant polysaccharides have great potential to treat oxidative stress and cancinogenic disorders in cell models, animal disease models and clinical cases. ROS-centered pathways (e.g. mitochondrial autophagy, MAPK and JNK) and transcription factor-related pathways (e.g. NF-[Formula: see text]B and HIF) are frequently utilized by these polysaccharides with or without the further involvement of inflammatory and death receptor pathways. Some of the polysaccharides may also influence tumorigenic pathways, such as Wnt and p53 to play their anti-tumor roles. In addition, current problems and future directions for the application of those plant polysaccharides are also listed and discussed.
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Affiliation(s)
- Rui Jiao
- Department of Food Science and Engineering, Jinan University, Guangzhou, China
| | - Yingxia Liu
- State Key Discipline of Infectious Diseases, Department of Infectious Diseases, Shenzhen Third People’s Hospital, Shenzhen, China
| | - Hao Gao
- Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou, China
| | - Jia Xiao
- Department of Immunobiology, Institute of Tissue Transplantation and Immunology, Jinan University, Guangzhou, China
- State Key Discipline of Infectious Diseases, Department of Infectious Diseases, Shenzhen Third People’s Hospital, Shenzhen, China
- Department of Anatomy, The University of Hong Kong, Pokfulam, Hong Kong
| | - Kwok Fai So
- Department of Anatomy, The University of Hong Kong, Pokfulam, Hong Kong
- Department of Ophthalmology, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong, China
- GMH Institute of Central Nervous System Regeneration, Jinan University, Guangzhou, China
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Li KC, Ho YL, Chen CY, Hsieh WT, Chang YS, Huang GJ. Lobeline improves acute lung injury via nuclear factor-κB-signaling pathway and oxidative stress. Respir Physiol Neurobiol 2015; 225:19-30. [PMID: 26702732 DOI: 10.1016/j.resp.2015.12.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Revised: 12/09/2015] [Accepted: 12/10/2015] [Indexed: 11/16/2022]
Abstract
Acute lung injury (ALI) is a severe, life-threatening medical condition whose pathogenesis is linked to neutrophil infiltration of the lung. Activation and recruitment of neutrophils to the lung is mostly attributed to the production of chemokines NO, IL-6, for instance. This study aims to investigate lobeline ability in reducing NO production, and nitric oxide synthase (iNOs) expression. Lobeline was tested by inhibiting phosphorylation of mitogen-activated protein kinases (MAPKs), NF-κB and IκBα in LPS-stimulated RAW 264.7 cells. When RAW 264.7 macrophages were given lobeline with LPS, a significant concentration-dependent inhibition of NO production was detected. In vivo tests, mice were either treated with normal saline, 10mg/kg dexmethasone or 5, 10, 20mg/kg lobeline intraperitoneally, and after an hour, the administration of 5mg/kg of LPS was given intratracheally. External performance, cytokines, MAPK pathways and antioxidative enzymes (AOEs) were also carried out to evaluate the effects of these drugs. This is the first investigation in which lobeline was found to effectively inhibit acute lung edema, which may provide a potential target for treating ALI. Lobeline may utilize MAPKs pathways as well as AOEs activity to attenuate LPS-induced nonspecific pulmonary inflammation.
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Affiliation(s)
- Kun-Cheng Li
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, College of Pharmacy, China Medical University, Taichung 404, Taiwan
| | - Yu-Ling Ho
- Department of Nursing, Hungkuang University, Taichung 433, Taiwan
| | - Cing-Yu Chen
- Department of Pharmacy, College of Pharmacy, China Medical University, Taichung, Taiwan
| | - Wen-Tsong Hsieh
- Department of Pharmacology, School of Medicine, China Medical University, Taichung 404, Taiwan
| | - Yuan-Shiun Chang
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, College of Pharmacy, China Medical University, Taichung 404, Taiwan; Chinese Crude Drug Pharmacy, China Medical University Hospital, Taichung 404, Taiwan.
| | - Guan-Jhong Huang
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, College of Pharmacy, China Medical University, Taichung 404, Taiwan.
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Su Z, Liao J, Liu Y, Liang Y, Chen H, Chen X, Lai X, Feng X, Wu D, Zheng Y, Zhang X, Li Y. Protective effects of patchouli alcohol isolated from Pogostemon cablin on lipopolysaccharide-induced acute lung injury in mice. Exp Ther Med 2015; 11:674-682. [PMID: 26893665 DOI: 10.3892/etm.2015.2918] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2014] [Accepted: 10/22/2015] [Indexed: 01/11/2023] Open
Abstract
Patchouli alcohol (PA) is a tricyclic sesquiterpene isolated from Pogostemon cablin, which exerts anti-inflammatory, anti-influenza and cognitive-enhancing bioactivities. The present study aimed to investigate the protective effects of PA on acute lung injury (ALI) induced by intratracheal instillation of lipopolysaccharide (LPS) in mice. Dexamethasone was used as a positive drug for protection against LPS-induced ALI. The results of the present study demonstrated that pretreatment with PA significantly increased survival rate, attenuated histopathologic damage and lung edema, and decreased the protein content in the bronchoalveolar lavage fluid (BALF) of mice with ALI. Furthermore, PA significantly inhibited the expression levels of proinflammatory cytokines, including tumor necrosis factor (TNF)-α and interleukin (IL)-6 in the BALF, downregulated the levels of myeloperoxidase and malondialdehyde, and upregulated the activity levels of superoxide dismutase and glutathione peroxidase in lung tissue. These results indicated that PA may exert potent protective effects against LPS-induced ALI in mice, the mechanisms of which are possibly associated with the anti-inflammatory and antioxidative activities of PA.
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Affiliation(s)
- Zuqing Su
- School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, P.R. China; Guangdong Provincal Hospital of Chinese Medicine, Guangzhou, Guangdong 510120, P.R. China
| | - Jinbin Liao
- School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, P.R. China; Pharmaceutical Department, Guangdong Second Province Hospital of Traditional Chinese Medicine, Guangzhou, Guangdong 510095, P.R. China
| | - Yuhong Liu
- School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, P.R. China
| | - Yongzhuo Liang
- School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, P.R. China
| | - Haiming Chen
- School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, P.R. China
| | - Xiaoying Chen
- School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, P.R. China
| | - Xiaoping Lai
- School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, P.R. China; Dongguan Mathematical Engineering Academy of Chinese Medicine, Guangzhou University of Chinese Medicine, Dongguan, Guangdong 523808, P.R. China
| | - Xuexuan Feng
- School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, P.R. China
| | - Dianwei Wu
- Department of Pharmacy, Shantou Hospital of Traditional Chinese Medicine, Shantou, Guangdong 515031, P.R. China
| | - Yifeng Zheng
- School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, P.R. China
| | - Xiaojun Zhang
- School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, P.R. China
| | - Yucui Li
- School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, P.R. China
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ZHANG PENG, MA XUN. Effect of rutin on spinal cord injury through inhibition of the expression of MIP-2 and activation of MMP-9, and downregulation of Akt phosphorylation. Mol Med Rep 2015; 12:7554-60. [DOI: 10.3892/mmr.2015.4357] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2014] [Accepted: 08/25/2015] [Indexed: 11/06/2022] Open
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Li LF, Lee CS, Liu YY, Chang CH, Lin CW, Chiu LC, Kao KC, Chen NH, Yang CT. Activation of Src-dependent Smad3 signaling mediates the neutrophilic inflammation and oxidative stress in hyperoxia-augmented ventilator-induced lung injury. Respir Res 2015; 16:112. [PMID: 26377087 PMCID: PMC4574227 DOI: 10.1186/s12931-015-0275-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Accepted: 09/10/2015] [Indexed: 11/26/2022] Open
Abstract
Background Mechanical ventilation and concomitant administration of hyperoxia in patients with acute respiratory distress syndrome can damage the alveolar epithelial and capillary endothelial barrier by producing inflammatory cytokines and reactive oxygen species. The Src tyrosine kinase and Smad3 are crucial inflammatory regulators used for ventilator-induced lung injury (VILI). The mechanisms regulating interactions between high-tidal-volume mechanical ventilation, hyperoxia, and acute lung injury (ALI) are unclear. We hypothesized that high-tidal-volume mechanical stretches and hyperoxia augment lung inflammation through upregulation of the Src and Smad3 pathways. Methods Wild-type or Src-deficient C57BL/6 mice, aged between 6 and 8 weeks, were exposed to high-tidal-volume (30 mL/kg) ventilation with room air or hyperoxia for 1–4 h after 2-mg/kg Smad3 inhibitor (SIS3) administration. Nonventilated mice were used as control subjects. Results We observed that the addition of hyperoxia to high-tidal-volume mechanical ventilation further induced microvascular permeability, neutrophil infiltration, macrophage inflammatory protein-2 and matrix metalloproteinase-9 (MMP-9) production, malondialdehyde, nicotinamide adenine dinucleotide phosphate oxidase activity, MMP-9 mRNA expression, hypoxemia, and Src and Smad3 activation (P < 0.05). Hyperoxia-induced augmentation of VILI was attenuated in Src-deficient mice and mice with pharmacological inhibition of Smad3 activity by SIS3 (P < 0.05). Mechanical ventilation of Src-deficient mice with hyperoxia further reduced the activation of Smad3. Conclusions Our data suggest that hyperoxia-increased high-tidal-volume ventilation-induced ALI partially depends on the Src and Smad3 pathways.
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Affiliation(s)
- Li-Fu Li
- Department of Internal Medicine, Division of Pulmonary and Critical Care Medicine, Chang Gung Memorial Hospital and Chang Gung University, 5 Fu-Hsing Street, Kweishan, Taoyuan, 333, Taiwan.,Department of Respiratory Therapy, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Chung-Shu Lee
- Department of Internal Medicine, Division of Pulmonary and Critical Care Medicine, Chang Gung Memorial Hospital and Chang Gung University, 5 Fu-Hsing Street, Kweishan, Taoyuan, 333, Taiwan
| | - Yung-Yang Liu
- Chest Department, Taipei Veterans General Hospital, Taipei, Taiwan.,Institute of Clinical Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Chih-Hao Chang
- Department of Internal Medicine, Division of Pulmonary and Critical Care Medicine, Chang Gung Memorial Hospital and Chang Gung University, 5 Fu-Hsing Street, Kweishan, Taoyuan, 333, Taiwan
| | - Chang-Wei Lin
- Department of Internal Medicine, Division of Pulmonary and Critical Care Medicine, Chang Gung Memorial Hospital and Chang Gung University, 5 Fu-Hsing Street, Kweishan, Taoyuan, 333, Taiwan
| | - Li-Chung Chiu
- Department of Internal Medicine, Division of Pulmonary and Critical Care Medicine, Chang Gung Memorial Hospital and Chang Gung University, 5 Fu-Hsing Street, Kweishan, Taoyuan, 333, Taiwan
| | - Kuo-Chin Kao
- Department of Internal Medicine, Division of Pulmonary and Critical Care Medicine, Chang Gung Memorial Hospital and Chang Gung University, 5 Fu-Hsing Street, Kweishan, Taoyuan, 333, Taiwan.,Department of Respiratory Therapy, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Ning-Hung Chen
- Department of Internal Medicine, Division of Pulmonary and Critical Care Medicine, Chang Gung Memorial Hospital and Chang Gung University, 5 Fu-Hsing Street, Kweishan, Taoyuan, 333, Taiwan.,Department of Respiratory Therapy, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Cheng-Ta Yang
- Department of Internal Medicine, Division of Pulmonary and Critical Care Medicine, Chang Gung Memorial Hospital and Chang Gung University, 5 Fu-Hsing Street, Kweishan, Taoyuan, 333, Taiwan. .,Department of Respiratory Therapy, Chang Gung Memorial Hospital, Taoyuan, Taiwan.
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50
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Wang X, Zhao X, Tang S. Inhibitory effects of EGb761 on the expression of matrix metalloproteinases (MMPs) and cartilage matrix destruction. Cell Stress Chaperones 2015; 20:781-6. [PMID: 26045200 PMCID: PMC4529858 DOI: 10.1007/s12192-015-0600-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Revised: 03/09/2015] [Accepted: 03/11/2015] [Indexed: 10/23/2022] Open
Abstract
Cytokines such as tumor necrosis factor alpha (TNF-α)-induced expression of matrix metalloproteinase (MMP) play a pivotal role in the destruction of articular cartilage in patients who are suffering from osteoarthritis (OA). Collagen type II, the basis for articular cartilage, can be degraded by MMP-1, MMP-3, and 13. EGb761, the standardized extract of Ginkgo biloba produced by Dr. Willar Schwabe Pharmaceuticals, has shown its anti-inflammatory capacity. This study aimed to determine a mechanism whereby EGb761 may inhibit cartilage degradation. Our results indicated that pretreatment with EGb761 abolishes MMP-1, MMP-3, and MMP-13 gene expression and protein expression induced by TNF-α in human chondrocyte monolayer. In addition, the reduction of the tissue inhibitor of metalloproteinase-1(TIMP-1) and metalloproteinase-2 gene expression induced by TNF-α was rescued by pretreatment with EGb761. Importantly, TNF-α-induced degradation of collagen type II was ameliorated by EGb761 in a dose-dependent manner. Mechanistically, our results indicated that EGb761 treatment attenuated TNF-α-induced NF-κB activation. These actions of EGb761 suggest a mechanism by which EGb761 may act to prevent cartilage breakdown in arthritis.
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Affiliation(s)
- Xuewen Wang
- />Department of Joint Surgery, Weifang Medical University, Weifang, China
| | - Xingshen Zhao
- />Imaging Center, Affiliated Hospital of Weifang Medical University, Weifang City, China
| | - Shusen Tang
- />Department of Joint Surgery, Affiliated Hospital of Weifang Medical University, No. 2428, Yuhe Road, Weifang City, 261031 Shandong Province China
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