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Guo Y, Zhao J, Ma X, Cai M, Chi Y, Sun C, Liu S, Song X, Xu K. Phytochemical reduces toxicity of PM2.5: a review of research progress. Nutr Rev 2024; 82:654-663. [PMID: 37587082 DOI: 10.1093/nutrit/nuad077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/18/2023] Open
Abstract
Studies have shown that exposure to fine particulate matter (PM2.5) affects various cells, systems, and organs in vivo and in vitro. PM2.5 adversely affects human health through mechanisms such as oxidative stress, inflammatory response, autophagy, ferroptosis, and endoplasmic reticulum stress. Phytochemicals are of interest for their broad range of physiological activities and few side effects, and, in recent years, they have been widely used to mitigate the adverse effects caused by PM2.5 exposure. In this review, the roles of various phytochemicals are summarized, including those of polyphenols, carotenoids, organic sulfur compounds, and saponin compounds, in mitigating PM2.5-induced adverse reactions through different molecular mechanisms, including anti-inflammatory and antioxidant mechanisms, inhibition of endoplasmic reticulum stress and ferroptosis, and regulation of autophagy. These are useful as a scientific basis for the prevention and treatment of disease caused by PM2.5.
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Affiliation(s)
- Yulan Guo
- School of Public Health, Jilin University, Changchun, China
| | - Jinbin Zhao
- School of Public Health, Jilin University, Changchun, China
| | - Xueer Ma
- School of Public Health, Jilin University, Changchun, China
| | - Ming Cai
- School of Public Health, Jilin University, Changchun, China
| | - Yuyang Chi
- School of Public Health, Jilin University, Changchun, China
| | - Chunmeng Sun
- School of Public Health, Jilin University, Changchun, China
| | - Shitong Liu
- School of Public Health, Jilin University, Changchun, China
| | - Xiuling Song
- School of Public Health, Jilin University, Changchun, China
| | - Kun Xu
- School of Medicine, Hunan Normal University, Changsha, China
- The Research Center of Reproduction and Translational Medicine of Hunan Province, Changsha, China
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Jiang L, Lin X, Jiang J, Qiu C, Zheng S, Zhao N, Shu Z, Qian Y, Qiu L. METTL3-m6A-SIRT1 axis affects autophagic flux contributing to PM 2.5-induced inhibition of testosterone production in Leydig cells. Sci Total Environ 2024; 918:170701. [PMID: 38325452 DOI: 10.1016/j.scitotenv.2024.170701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 01/31/2024] [Accepted: 02/03/2024] [Indexed: 02/09/2024]
Abstract
Epidemiological studies have found that long-term inhalation of PM2.5 is closely related to spermatogenesis disorders and infertility, but the underlying molecular mechanism is still unidentified. Testosterone, an essential reproductive hormone produced by Leydig cells, whose synthesis is disrupted by multiple environmental pollutants. In the current study, we explored the role of METTL3-m6A-SIRT1 axis-mediated abnormal autophagy in PM2.5-induced inhibition of testosterone production in in vivo and in vitro models. Our in vivo findings shown that long-term inhalation of PM2.5 decreased sperm count, increased sperm deformity rates, and altered testicular interstitial morphology accompanied by reduced testosterone in serum and testes. Further, data from the in vitro model displayed that exposure to PM2.5 caused an increase in m6A modification and METTL3 levels, followed by a decrease in testosterone levels and autophagy dysfunction in Leydig cells. The knockdown of METTL3 promotes autophagy flux and testosterone production in Leydig cells. Mechanistically, PM2.5 increased METTL3-induced m6A modification of SIRT1 mRNA in Leydig cells, bringing about abnormal autophagy. Subsequently, administration of SRT1720 (a SIRT1 activator) enhanced autophagy and further promoted testosterone biosynthesis. Collectively, our discoveries indicate that METTL3-m6A-SIRT1 axis-mediated autophagic flux contributes to PM2.5-induced inhibition of testosterone biosynthesis. This research offers a novel viewpoint on the mechanism of male reproductive injury following PM2.5 exposure.
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Affiliation(s)
- Lianlian Jiang
- School of Public Health, Nantong University, 9 Seyuan Rd., Nantong 226019, PR China
| | - Xiaojun Lin
- School of Public Health, Nantong University, 9 Seyuan Rd., Nantong 226019, PR China
| | - Jinchen Jiang
- School of Public Health, Nantong University, 9 Seyuan Rd., Nantong 226019, PR China
| | - Chong Qiu
- Medical School, Nantong University, 19 Qixiu Rd., Nantong 226001, PR China
| | - Shaokai Zheng
- School of Public Health, Nantong University, 9 Seyuan Rd., Nantong 226019, PR China
| | - Nannan Zhao
- School of Public Health, Nantong University, 9 Seyuan Rd., Nantong 226019, PR China
| | - Zhenhao Shu
- School of Public Health, Nantong University, 9 Seyuan Rd., Nantong 226019, PR China
| | - Yinyun Qian
- Graduate School, Nantong University, 9 Seyuan Rd., Nantong 226019, PR China
| | - Lianglin Qiu
- School of Public Health, Nantong University, 9 Seyuan Rd., Nantong 226019, PR China.
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Shen H, Gong M, Hu J, Yan Q, Zhang M, Zheng R, Wu J, Cao Y. Lycium barbarum polysaccharide's protective effects against PM 2.5-induced cellular senescence in HUVECs. Ecotoxicol Environ Saf 2024; 274:116232. [PMID: 38493701 DOI: 10.1016/j.ecoenv.2024.116232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 03/01/2024] [Accepted: 03/14/2024] [Indexed: 03/19/2024]
Abstract
Fine particulate matter (PM2.5) exposure is strongly associated with vascular endothelial senescence, a process implicated in cardiovascular diseases. While there is existing knowledge on the impact of Lycium barbarum polysaccharide (LBP) on vascular endothelial damage, the protective mechanism of LBP against PM2.5-induced vascular endothelial senescence remains unclear. In this study, we investigated the impact of PM2.5 exposure on vascular endothelial senescence and explored the intervention effects of LBP in human umbilical vein endothelial cells (HUVECs). We found that PM2.5 exposure dose-dependently reduced cell viability and proliferation in HUVECs while increasing the production of reactive oxygen species (ROS), malondialdehyde (MDA), and hydrogen peroxide (H2O2). Additionally, PM2.5 exposure inhibited the activity of superoxide dismutase (SOD). Notably, PM2.5 exposure induced autophagy impairments and cellular senescence. However, LBP mitigated PM2.5-induced cell damage. Further studies demonstrated that correcting autophagy impairment in HUVECs reduced the expression of the senescence markers P16 and P21 induced by PM2.5. This suggests the regulatory role of autophagy in cellular senescence and the potential of LBP in improving HUVECs senescence. These findings provide novel insights into the mechanisms underlying PM2.5-induced cardiovascular toxicity and highlight the potential of LBP as a therapeutic agent for improving vascular endothelial health.
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Affiliation(s)
- Haochong Shen
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Suzhou, Jiangsu 215123, China
| | - Meidi Gong
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Suzhou, Jiangsu 215123, China
| | - Juan Hu
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Suzhou, Jiangsu 215123, China
| | - Qing Yan
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Suzhou, Jiangsu 215123, China
| | - Minghao Zhang
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Suzhou, Jiangsu 215123, China
| | - Rao Zheng
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Suzhou, Jiangsu 215123, China
| | - Jing Wu
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Suzhou, Jiangsu 215123, China; Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Soochow University, Suzhou, China.
| | - Yi Cao
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Suzhou, Jiangsu 215123, China; Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Soochow University, Suzhou, China.
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Zhang J, Lu M, Li C, Yan B, Xu F, Wang H, Zhang Y, Yang Y. Astragaloside IV mitigates hypoxia-induced cardiac hypertrophy through calpain-1-mediated mTOR activation. Phytomedicine 2024; 125:155250. [PMID: 38295664 DOI: 10.1016/j.phymed.2023.155250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 11/22/2023] [Accepted: 11/25/2023] [Indexed: 02/13/2024]
Abstract
BACKGROUND Astragaloside IV (AsIV), a key functioning element of Astragalus membranaceus, has been recognized for its potential cardiovascular protective properties. However, there is a need to elucidate the impacts of AsIV on myocardial hypertrophy under hypoxia conditions and its root mechanisms. PURPOSE This study scrutinized the influence of AsIV on cardiac injury under hypoxia, with particular emphasis on the role of calpain-1 (CAPN1) in mediating mTOR pathways. METHODS Hypoxia-triggered cardiac hypertrophy was examined in vivo with CAPN1 knockout and wild-type C57BL/6 mice and in vitro with H9C2 cells. The impacts of AsIV, 3-methyladenine, and CAPN1 inhibition on hypertrophy, autophagy, apoptosis, [Ca2+]i, and CAPN1 and mTOR levels in cardiac tissues and H9C2 cells were investigated. RESULTS Both AsIV treatment and CAPN1 knockout mitigated hypoxia-induced cardiac hypertrophy, autophagy, and apoptosis in mice and H9C2 cells. Moreover, AsIV, 3-methyladenine, and CAPN1 inhibition augmented p-mTOR level but reduced [Ca2+]i and CAPN1 level. Additionally, lentivirus-mediated CAPN1 overexpression in H9C2 cells exacerbated myocardial hypertrophy, apoptosis, and p-mTOR inhibition under hypoxia. Specifically, AsIV treatment reversed the impacts of increased CAPN1 expression on cardiac injury and the inhibition of p-mTOR. CONCLUSION These findings suggest that AsIV may alleviate cardiac hypertrophy under hypoxia by attenuating apoptosis and autophagy through CAPN1-mediated mTOR activation.
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Affiliation(s)
- Jingliang Zhang
- Internal Medicine-Cardiovascular Department, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Meili Lu
- Key Laboratory of Cardiovascular and Cerebrovascular Drug Research of Liaoning Province, Jinzhou Medical University, Jinzhou, China
| | - Cong Li
- Key Laboratory of Cardiovascular and Cerebrovascular Drug Research of Liaoning Province, Jinzhou Medical University, Jinzhou, China
| | - Bingju Yan
- Internal Medicine-Cardiovascular Department, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Fang Xu
- Department of Pharmacy, The Third Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Hongxin Wang
- Key Laboratory of Cardiovascular and Cerebrovascular Drug Research of Liaoning Province, Jinzhou Medical University, Jinzhou, China.
| | - Yingjie Zhang
- Internal Medicine-Cardiovascular Department, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China.
| | - Yuhong Yang
- Key Laboratory of Cardiovascular and Cerebrovascular Drug Research of Liaoning Province, Jinzhou Medical University, Jinzhou, China.
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Cao J, Hou S, Chen Z, Yan J, Chao L, Qian Y, Li J, Yan X. Interleukin-37 relieves PM2.5-triggered lung injury by inhibiting autophagy through the AKT/mTOR signaling pathway in vivo and in vitro. Ecotoxicol Environ Saf 2024; 269:115816. [PMID: 38091678 DOI: 10.1016/j.ecoenv.2023.115816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 11/27/2023] [Accepted: 12/09/2023] [Indexed: 01/12/2024]
Abstract
Autophagy mediates PM2.5-related lung injury (LI) and is tightly linked to inflammation and apoptosis processes. IL-37 has been demonstrated to regulate autophagy. This research aimed to examine the involvement of IL-37 in the progression of PM2.5-related LI and assess whether autophagy serves as a mediator for its effects.To create a model of PM2.5-related LI, this research employed a nose-only PM2.5 exposure system and utilized both human IL-37 transgenic mice and wild-type mice. The hIL-37tg mice demonstrated remarkable reductions in pulmonary inflammation and pathological LI compared to the WT mice. Additionally, they exhibited activation of the AKT/mTOR signaling pathway, which served to regulate the levels of autophagy and apoptosis.Furthermore, in vitro experiments revealed a dose-dependent upregulation of autophagy and apoptotic proteins following exposure to PM2.5 DMSO extraction. Simultaneously, p-AKT and p-mTOR expression was found to decrease. However, pretreatment with IL-37 demonstrated a remarkable reduction in the levels of autophagy and apoptotic proteins, along with an elevation of p-AKT and p-mTOR. Interestingly, pretreatment with rapamycin, an autophagy inducer, weakened the therapeutic impact of IL-37. Conversely, the therapeutic impact of IL-37 was enhanced when treated with 3-MA, a potent autophagy inhibitor. Moreover, the inhibitory effect of IL-37 on autophagy was successfully reversed by administering AKT inhibitor MK2206. The findings suggest that IL-37 can inhibit both the inflammatory response and autophagy, leading to the alleviation of PM2.5-related LI. At the molecular level, IL-37 may exert its anti autophagy and anti apoptosis effects by activating the AKT/mTOR signaling pathway.
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Affiliation(s)
- Jing Cao
- The First Department of Pulmonary and Critical Care Medicine, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Respiratory Critical Care Medicine, Hebei Institute of Respiratory Diseases, Shijiazhuang, Hebei 050000, China
| | - Shujie Hou
- The First Department of Pulmonary and Critical Care Medicine, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Respiratory Critical Care Medicine, Hebei Institute of Respiratory Diseases, Shijiazhuang, Hebei 050000, China
| | - Zixiao Chen
- The First Department of Pulmonary and Critical Care Medicine, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Respiratory Critical Care Medicine, Hebei Institute of Respiratory Diseases, Shijiazhuang, Hebei 050000, China
| | - Jie Yan
- Department of Cardiovascular Medicine,The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050000, China
| | - Lingshan Chao
- The First Department of Pulmonary and Critical Care Medicine, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Respiratory Critical Care Medicine, Hebei Institute of Respiratory Diseases, Shijiazhuang, Hebei 050000, China
| | - Yuxing Qian
- The First Department of Pulmonary and Critical Care Medicine, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Respiratory Critical Care Medicine, Hebei Institute of Respiratory Diseases, Shijiazhuang, Hebei 050000, China
| | - Jingwen Li
- The First Department of Pulmonary and Critical Care Medicine, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Respiratory Critical Care Medicine, Hebei Institute of Respiratory Diseases, Shijiazhuang, Hebei 050000, China
| | - Xixin Yan
- The First Department of Pulmonary and Critical Care Medicine, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Respiratory Critical Care Medicine, Hebei Institute of Respiratory Diseases, Shijiazhuang, Hebei 050000, China.
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Lou C, Chen Z, Bai Y, Chai T, Guan Y, Wu B. Exploring the Microbial Community Structure in the Chicken House Environment by Metagenomic Analysis. Animals (Basel) 2023; 14:55. [PMID: 38200786 PMCID: PMC10778276 DOI: 10.3390/ani14010055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 12/13/2023] [Accepted: 12/20/2023] [Indexed: 01/12/2024] Open
Abstract
The environmental conditions of chicken houses play an important role in the growth and development of these animals. The chicken house is an essential place for the formation of microbial aerosols. Microbial aerosol pollution and transmission can affect human and animal health. In this work, we continuously monitored fine particulate matter (PM2.5) in the chicken house environment for four weeks and studied the microbial community structure in the aerosols of the chicken house environment through metagenomic sequencing. Our results found that bacteria, fungi, viruses, and archaea were the main components of PM2.5 in the chicken house environment, accounting for 89.80%, 1.08%, 2.06%, and 0.49%, respectively. Conditional pathogens are a type of bacteria that poses significant harm to animals themselves and to farm workers. We screened ten common conditional pathogens and found that Staphylococcus had the highest relative abundance, while Clostridium contained the most microbial species, up to 456. Basidiomycetes and Ascomycota in fungi showed dramatic changes in relative abundance, and other indexes showed no significant difference. Virulence factors (VF) are also a class of molecules produced by pathogenic microbes that can cause host diseases. The top five virulence factors were found in four groups: FbpABC, HitABC, colibactin, acinetobactin, and capsule, many of which are used for the iron uptake system. In the PM2.5 samples, eight avian viruses were the most significant discoveries, namely Fowl aviadovirus E, Fowl aviadovirus D, Avian leukosis virus, Avian endogenous retrovirus EAV-HP, Avian dependent parvovirus 1, Fowl adenovus, Fowl aviadovirus B, and Avian sarcoma virus. The above results significantly improve our understanding of the microbial composition of PM2.5 in chicken houses, filling a gap on virus composition; they also indicate a potential threat to poultry and to human health. This work provides an important theoretical basis for animal house environmental monitoring and protection.
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Affiliation(s)
- Cheng Lou
- Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, School of Life Science and Engineering, Foshan University, Foshan 528225, China; (C.L.); (Z.C.); (Y.B.); (Y.G.)
| | - Zhuo Chen
- Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, School of Life Science and Engineering, Foshan University, Foshan 528225, China; (C.L.); (Z.C.); (Y.B.); (Y.G.)
| | - Yu Bai
- Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, School of Life Science and Engineering, Foshan University, Foshan 528225, China; (C.L.); (Z.C.); (Y.B.); (Y.G.)
| | - Tongjie Chai
- College of Animal Science and Technology, Shandong Agricultural University, Tai’an 271000, China;
| | - Yuling Guan
- Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, School of Life Science and Engineering, Foshan University, Foshan 528225, China; (C.L.); (Z.C.); (Y.B.); (Y.G.)
| | - Bo Wu
- Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, School of Life Science and Engineering, Foshan University, Foshan 528225, China; (C.L.); (Z.C.); (Y.B.); (Y.G.)
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Zhou Z, Yang L, Hu C, Gao R, Zhang X, Shen T. The combination of astragalus injection and ambroxol hydrochloride in the adjuvant treatment of COPD: a systematic review and meta-analysis. Sci Rep 2023; 13:22077. [PMID: 38087032 PMCID: PMC10716149 DOI: 10.1038/s41598-023-49421-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 12/07/2023] [Indexed: 12/18/2023] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is a severe condition that leads to premature mortality and places a significant financial burden on healthcare systems. An adjunctive therapy in COPD includes the simultaneous administration of astragalus injection and ambroxol hydrochloride. Despite its widespread use, the effectiveness of this combined approach in COPD treatment has not been systematically evaluated. Thus, we conducted a systematic review and meta-analysis to assess the efficacy of combining astragalus injection with ambroxol hydrochloride as an adjuvant treatment for COPD. Six electronic databases were used to search for relevant randomized controlled trials, and data analysis was conducted using Review Manager 5.4. A total of 14 randomized controlled trials were included, involving 1070 patients who met the criteria. The results of the meta-analysis indicated that the combination of astragalus injection with ambroxol hydrochloride as an adjuvant treatment can improve various clinical parameters in patients with COPD compared to conventional treatment alone. These parameters include the clinical effective rate (OR = 5.44, 95% CI 3.51-8.43, I2 = 0%), partial pressure of oxygen in artery (MD = 1.12, 95% CI 0.87-1.36, I2 = 5%), partial pressure of carbon dioxide in artery (MD = - 1.43, 95% CI - 1.65 to - 1.21, I2 = 0%), forced expiratory volume in one second (MD = 0.30, 95% CI 0.18-0.42, I2 = 0%), percentage of forced expiratory volume in one second (MD = 16.18, 95% CI 12.60-19.76, I2 = 82%), forced vital capacity (MD = 0.33, 95% CI 0.21-0.45, I2 = 36%), hemoglobin (MD = - 16.17, 95% CI - 20.84 to - 11.51, I2 = 29%), and the ratio of forced expiratory volume in one second to forced vital capacity (MD = 2.51, 95% CI - 0.05 to 5.06, I2 = 0%). The combination of astragalus injection and ambroxol hydrochloride could be a selection of COPD patients as an adjuvant treatment. However, further validation is required to evaluate the effectiveness of combining astragalus injection and ambroxol hydrochloride as an adjunctive treatment for patients with COPD.
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Affiliation(s)
- Zubing Zhou
- College of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Lele Yang
- College of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Chao Hu
- College of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Rui Gao
- Chengdu Integrated TCM and Western Medicine Hospital, Chengdu, 610095, China
| | - Xiaobo Zhang
- College of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China.
| | - Tao Shen
- College of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China.
- Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
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Yin B, Ren J, Cui Q, Liu X, Wang Z, Pei H, Zuo J, Zhang Y, Wen R, Sun X, Zhang W, Ma Y. Astaxanthin alleviates fine particulate matter (PM 2.5)-induced lung injury in rats by suppressing ferroptosis and apoptosis. Food Funct 2023; 14:10841-10854. [PMID: 37982854 DOI: 10.1039/d3fo03641c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2023]
Abstract
Objectives: Fine particulate matter (PM2.5), a small molecule particulate pollutant, can reach the lungs via respiration and cause lung damage. Currently, effective strategies and measures are lacking to prevent and treat the pulmonary toxicity of PM2.5. Astaxanthin (ASX), a natural xanthophyll carotenoid, has attracted attention due to its unique biological activity. Our research aims to probe into the prevention and treatment of ASX on PM2.5-induced lung injury and clarify its potential mechanism. Methods: Sprague-Dawley (SD) rats were given olive oil and different concentrations of ASX orally daily for 21 days. PM2.5 suspension was instilled into the trachea of rats every two days for one week to successfully develop the PM2.5 exposure model in the PM2.5-exposed and ASX-treated groups of rats. The bronchoalveolar lavage fluid (BALF) was collected, and the content of lung injury-related markers was detected. Histomorphological changes and expression of markers associated with oxidative stress, inflammation, iron death, and apoptosis were detected in lung tissue. Results: PM2.5 exposure can cause changes in lung histochemistry and increase the expression levels of TP, AKP, ALB, and LDH in the BALF. Simultaneously, inflammatory responses and oxidative stress were promoted in rat lung tissue after exposure to particulate matter. Additionally, ASX preconditioning can alleviate histomorphological changes, oxidative stress, and inflammation caused by PM2.5 and reduce PM2.5-related ferroptosis and apoptosis. Conclusion: ASX preconditioning can alleviate lung injury after PM2.5 exposure by inhibiting ferroptosis and apoptosis.
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Affiliation(s)
- Bowen Yin
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Key Laboratory of Environment and Human Health, Shijiazhuang, 050017, China.
| | - Jingyi Ren
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Key Laboratory of Environment and Human Health, Shijiazhuang, 050017, China.
| | - Qiqi Cui
- Undergraduate of College of Basic Medicine, Hebei Medical University, Shijiazhuang, 050017, China
| | - Xuanyi Liu
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Key Laboratory of Environment and Human Health, Shijiazhuang, 050017, China.
| | - Ziyi Wang
- Undergraduate of College of Public Health, Hebei Medical University, Shijiazhuang, 050017, China
| | - Huanting Pei
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Key Laboratory of Environment and Human Health, Shijiazhuang, 050017, China.
| | - Jinshi Zuo
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Key Laboratory of Environment and Human Health, Shijiazhuang, 050017, China.
| | - Yadong Zhang
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Key Laboratory of Environment and Human Health, Shijiazhuang, 050017, China.
| | - Rui Wen
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Key Laboratory of Environment and Human Health, Shijiazhuang, 050017, China.
| | - Xiaoya Sun
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Key Laboratory of Environment and Human Health, Shijiazhuang, 050017, China.
| | - Weican Zhang
- Undergraduate of College of Public Health, Hebei Medical University, Shijiazhuang, 050017, China
| | - Yuxia Ma
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Key Laboratory of Environment and Human Health, Shijiazhuang, 050017, China.
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9
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Wang S, Yang XX, Li TJ, Tian XM, Wang YL, Bai G, Bao YR, Meng XS. Metabolic regularity of bioactive compounds in Bufei Jianpi granule in rats using ultra-high-performance liquid chromatography coupled with triple quadrupole mass spectrometry analysis technology. Biomed Chromatogr 2023; 37:e5740. [PMID: 37670539 DOI: 10.1002/bmc.5740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 08/05/2023] [Accepted: 08/21/2023] [Indexed: 09/07/2023]
Abstract
Bufei Jianpi granule (BJG) is clinically effective for treating chronic obstructive pulmonary disease (COPD). At present, there is no report regarding the drug metabolism of BJG in vivo. This work developed an ultra-high-performance liquid chromatography coupled with triple quadrupole mass spectrometry method with high accuracy and sensitivity to determine drug metabolism of this compound in vivo. After continuous administration of BJG, the concentrations of 10 components in rat plasma, namely betaine, peimine, peiminine, astragaloside A, sinensetin, nobiletin, naringin, calycosin, formononetin, and magnolol, were determined at different time points. Meanwhile, the pharmacokinetic parameters and metabolic rules of these 10 components were evaluated: Cmax , 8.624-574.645 ng/mL; Tmax , 0.250-8.667 h; AUC0-t , 17.640-8947.393 ng h/mL; T1/2 , 3.405-66.014 h; mean residence time (MRT), 6.893-11.223 h. All these components possessed anti-inflammatory, antioxidant, and other biological activities to varying degrees, contributing to improving lung function, mitigating pneumonia and pulmonary fibrosis, and preventing and treating chronic obstructive pulmonary disease. Exploring the pharmacokinetic parameters and the laws of chemical components in BJG forms the scientific basis for applying the compound clinically and identifying quality markers for the control of the compound.
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Affiliation(s)
- Shuai Wang
- College of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
- Liaoning Multi-dimensional Analysis of Traditional Chinese Medicine Technical Innovation Center, Dalian, China
- Liaoning Province Modern Chinese Medicine Research Engineering Laboratory, Dalian, China
| | - Xin Xin Yang
- College of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
- Liaoning Multi-dimensional Analysis of Traditional Chinese Medicine Technical Innovation Center, Dalian, China
- Liaoning Province Modern Chinese Medicine Research Engineering Laboratory, Dalian, China
| | - Tian Jiao Li
- College of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
- Liaoning Multi-dimensional Analysis of Traditional Chinese Medicine Technical Innovation Center, Dalian, China
- Liaoning Province Modern Chinese Medicine Research Engineering Laboratory, Dalian, China
| | - Xiang Mu Tian
- College of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Ying Li Wang
- College of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Gang Bai
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, China
| | - Yong Rui Bao
- College of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
- Liaoning Multi-dimensional Analysis of Traditional Chinese Medicine Technical Innovation Center, Dalian, China
- Liaoning Province Modern Chinese Medicine Research Engineering Laboratory, Dalian, China
| | - Xian Sheng Meng
- College of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, China
- Liaoning Multi-dimensional Analysis of Traditional Chinese Medicine Technical Innovation Center, Dalian, China
- Liaoning Province Modern Chinese Medicine Research Engineering Laboratory, Dalian, China
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10
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Shen Z, Huang D, Jia N, Zhao S, Pei C, Wang Y, Wu Y, Wang X, Shi S, Wang F, He Y, Wang Z. Protective effects of Eleutheroside E against high-altitude pulmonary edema by inhibiting NLRP3 inflammasome-mediated pyroptosis. Biomed Pharmacother 2023; 167:115607. [PMID: 37776644 DOI: 10.1016/j.biopha.2023.115607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 09/13/2023] [Accepted: 09/26/2023] [Indexed: 10/02/2023] Open
Abstract
Eleutheroside E (EE) is a primary active component of Acanthopanax senticosus, which has been reported to inhibit the expression of inflammatory genes, but the underlying mechanisms remain elusive. High-altitude pulmonary edema (HAPE) is a severe complication of high-altitude exposure occurring after ascent above 2500 m. However, effective and safe preventative measures for HAPE still need to be improved. This study aimed to elucidate the preventative potential and underlying mechanism of EE in HAPE. Rat models of HAPE were established through hypobaric hypoxia. Mechanistically, hypobaric hypoxia aggravates oxidative stress and upregulates (pro)-inflammatory cytokines, activating NOD-like receptor protein 3 (NLRP3) inflammasome-mediated pyroptosis, eventually leading to HAPE. EE suppressed NLRP3 inflammasome-mediated pyroptosis by inhibiting the nuclear translocation of nuclear factor kappa-Β (NF-κB), thereby protecting the lung from HAPE. However, nigericin (Nig), an NLRP3 activator, partially abolished the protective effects of EE. These findings suggest EE is a promising agent for preventing HAPE induced by NLRP3 inflammasome-mediated pyroptosis.
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Affiliation(s)
- Zherui Shen
- Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Demei Huang
- Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Nan Jia
- Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Sijing Zhao
- Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Caixia Pei
- Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Yilan Wang
- Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Yongcan Wu
- Chongqing Medical University, Chongqing 400016, China
| | - Xiaomin Wang
- Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Shihua Shi
- Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Fei Wang
- Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China.
| | - Yacong He
- Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China; State Key Laboratory of Southwestern Chinese Medicine Resources School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
| | - Zhenxing Wang
- Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China.
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11
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Gu HJ, Ahn JS, Ahn GJ, Shin SH, Ryu BY. Restoration of PM2.5-induced spermatogonia GC-1 cellular damage by parthenolide via suppression of autophagy and inflammation: An in vitro study. Toxicology 2023; 499:153651. [PMID: 37858773 DOI: 10.1016/j.tox.2023.153651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 10/13/2023] [Accepted: 10/14/2023] [Indexed: 10/21/2023]
Abstract
Particulate matter (PM) generated by environmental and air pollution is known to have detrimental effects on human health. Among these, PM2.5 particles (diameter < 2.5 µm) can breach the alveolar-capillary barrier and disseminate to other organs, posing significant health risks. Numerous studies have shown that PMs can harm various organs, including the reproductive system. Therefore, this study aimed to investigate the harmful effects of PM2.5 on mouse GC-1 spermatogonia cells (GC-1 spg cells) and to verify the ameliorative effects of parthenolide (PTL) treatment on damaged GC-1 spg cells. We observed a significant dose-dependent reduction in cell proliferation after PM2.5 concentration of 2.5 μg/cm2. Additionally, treatment with 20 μg/cm2 PM2.5 concentration significantly increased the expression of autophagy-related proteins ATG7, the ratio of LC3-II/LC3-I, and decreased phosphorylation of PI3K and AKT. Furthermore, PM2.5 exposure augmented inflammation mediator gene expressions, the phosphorylation of the inflammation-related transcription factor NF-κB p65 at Ser536, and ubiquitination. Treatment of PM2.5-exposed GC-1 spg cells with PTL significantly reduced NF-κB p65 phosphorylation and the expression of autophagy-related proteins ATG7 and LC3-II, leading to a statistically significant recovery in cell proliferation. Together, our findings elucidated the detrimental effects of PM2.5 exposure on male germ cells, and the restorative properties of PTL against air pollutants.
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Affiliation(s)
- Hyo Jin Gu
- Department of Animal Science and Technology, Chung-Ang University, Anseong-Si, Gyeonggi-Do, Republic of Korea
| | - Jin Seop Ahn
- Columbia Center for Translational Immunology, Columbia University Irving Medical Center, Columbia University, New York, NY 10032, USA
| | - Gi Jeong Ahn
- Department of Animal Science and Technology, Chung-Ang University, Anseong-Si, Gyeonggi-Do, Republic of Korea
| | - Seung Hee Shin
- Department of Animal Science and Technology, Chung-Ang University, Anseong-Si, Gyeonggi-Do, Republic of Korea
| | - Buom-Yong Ryu
- Department of Animal Science and Technology, Chung-Ang University, Anseong-Si, Gyeonggi-Do, Republic of Korea.
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Qin S, Chen J, Zhong K, Li D, Peng C. Could Cyclosiversioside F Serve as a Dietary Supplement to Prevent Obesity and Relevant Disorders? Int J Mol Sci 2023; 24:13762. [PMID: 37762063 PMCID: PMC10531328 DOI: 10.3390/ijms241813762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 08/30/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
Obesity is the basis of numerous metabolic diseases and has become a major public health issue due to its rapidly increasing prevalence. Nevertheless, current obesity therapeutic strategies are not sufficiently effective, so there is an urgent need to develop novel anti-obesity agents. Naturally occurring saponins with outstanding bio-activities have been considered promising drug leads and templates for human diseases. Cyclosiversioside F (CSF) is a paramount multi-functional saponin separated from the roots of the food-medicinal herb Astragali Radix, which possesses a broad spectrum of bioactivities, including lowering blood lipid and glucose, alleviating insulin resistance, relieving adipocytes inflammation, and anti-apoptosis. Recently, the therapeutic potential of CSF in obesity and relevant disorders has been gradually explored and has become a hot research topic. This review highlights the role of CSF in treating obesity and obesity-induced complications, such as diabetes mellitus, diabetic nephropathy, cardiovascular and cerebrovascular diseases, and non-alcoholic fatty liver disease. Remarkably, the underlying molecular mechanisms associated with CSF in disease therapy have been partially elucidated, especially PI3K/Akt, NF-κB, MAPK, apoptotic pathway, TGF-β, NLRP3, Nrf-2, and AMPK, with the aim of promoting the development of CSF as a functional food and providing references for its clinical application in obesity-related disorders therapy.
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Affiliation(s)
| | | | | | - Dan Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Cheng Peng
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
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Liu J, Chen Y, Chen H, Wang Y, Li D, Zhang Q, Chai L, Qiu Y, Zhang J, Shen N, Wang Q, Wang J, Li M. Macrophage migration inhibitory factor exacerbates asthmatic airway remodeling via dynamin-related protein 1-mediated autophagy activation. Respir Res 2023; 24:216. [PMID: 37674165 PMCID: PMC10481618 DOI: 10.1186/s12931-023-02526-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 08/31/2023] [Indexed: 09/08/2023] Open
Abstract
BACKGROUND Macrophage migration inhibitory factor (MIF) and GTPase dynamin-related protein 1 (Drp1)-dependent aberrant mitochondrial fission are closely linked to the pathogenesis of asthma. However, it is unclear whether Drp1-mediated mitochondrial fission and its downstream targets mediate MIF-induced proliferation of airway smooth muscle cells (ASMCs) in vitro and airway remodeling in chronic asthma models. The present study aims to clarify these issues. METHODS In this study, primary cultured ASMCs and ovalbumin (OVA)-induced asthmatic rats were applied. Cell proliferation was detected by CCK-8 and EdU assays. Western blotting was used to detect extracellular signal-regulated kinase (ERK) 1/2, Drp1, autophagy-related markers and E-cadherin protein phosphorylation and expression. Inflammatory cytokines production, airway reactivity test, histological staining and immunohistochemical staining were conducted to evaluate the development of asthma. Transmission electron microscopy was used to observe the mitochondrial ultrastructure. RESULTS In primary cultured ASMCs, MIF increased the phosphorylation level of Drp1 at the Ser616 site through activation of the ERK1/2 signaling pathway, which further activated autophagy and reduced E-cadherin expression, ultimately leading to ASMCs proliferation. In OVA-induced asthmatic rats, MIF inhibitor 4-iodo-6-phenylpyrimidine (4-IPP) treatment, suppression of mitochondrial fission by Mdivi-1 or inhibiting autophagy with chloroquine phosphate (CQ) all attenuated the development of airway remodeling. CONCLUSIONS The present study provides novel insights that MIF promotes airway remodeling in asthma by activating autophagy and degradation of E-cadherin via ERK/Drp1 signaling pathway, suggesting that targeting MIF/ERK/Drp1 might have potential therapeutic value for the prevention and treatment of asthma.
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Affiliation(s)
- Jin Liu
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277, West Yanta Road, Xi'an, Shaanxi, 710061, People's Republic of China
| | - Yuqian Chen
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277, West Yanta Road, Xi'an, Shaanxi, 710061, People's Republic of China
| | - Huan Chen
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277, West Yanta Road, Xi'an, Shaanxi, 710061, People's Republic of China
| | - Yan Wang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277, West Yanta Road, Xi'an, Shaanxi, 710061, People's Republic of China
| | - Danyang Li
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277, West Yanta Road, Xi'an, Shaanxi, 710061, People's Republic of China
| | - Qianqian Zhang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277, West Yanta Road, Xi'an, Shaanxi, 710061, People's Republic of China
| | - Limin Chai
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277, West Yanta Road, Xi'an, Shaanxi, 710061, People's Republic of China
| | - Yuanjie Qiu
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277, West Yanta Road, Xi'an, Shaanxi, 710061, People's Republic of China
| | - Jia Zhang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277, West Yanta Road, Xi'an, Shaanxi, 710061, People's Republic of China
| | - Nirui Shen
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277, West Yanta Road, Xi'an, Shaanxi, 710061, People's Republic of China
| | - Qingting Wang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277, West Yanta Road, Xi'an, Shaanxi, 710061, People's Republic of China
| | - Jian Wang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277, West Yanta Road, Xi'an, Shaanxi, 710061, People's Republic of China
| | - Manxiang Li
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277, West Yanta Road, Xi'an, Shaanxi, 710061, People's Republic of China.
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Tan J, Yi J, Cao X, Wang F, Xie S, Dai A. Untapping the Potential of Astragaloside IV in the Battle Against Respiratory Diseases. Drug Des Devel Ther 2023; 17:1963-1978. [PMID: 37426627 PMCID: PMC10328396 DOI: 10.2147/dddt.s416091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 06/20/2023] [Indexed: 07/11/2023] Open
Abstract
Respiratory diseases are an emerging public health concern, that pose a risk to the global community. There, it is essential to establish effective treatments to reduce the global burden of respiratory diseases. Astragaloside IV (AS-IV) is a natural saponin isolated from Radix astragali (Huangqi in Chinese) used for thousands of years in Chinese medicine. This compound has become increasingly popular due to its potential anti-inflammatory, antioxidant, and anticancer properties. In the last decade, accumulated evidence has indicated the AS-IV protective effect against respiratory diseases. This article presents a current understanding of AS-IV roles and mechanisms in combatting respiratory diseases. The ability of the agent to suppress oxidative stress, cell proliferation, and epithelial-mesenchymal transition (EMT), to attenuate inflammatory responses, and modulate programmed cell death (PCD) will be discussed. This review highlights the current challenges in respiratory diseases and recommendations to improve disease management.
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Affiliation(s)
- Junlan Tan
- School of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, People's Republic of China
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha, Hunan, 410208, People's Republic of China
| | - Jian Yi
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha, Hunan, 410208, People's Republic of China
- The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, 410021, People's Republic of China
| | - Xianya Cao
- School of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, People's Republic of China
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha, Hunan, 410208, People's Republic of China
| | - Feiying Wang
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha, Hunan, 410208, People's Republic of China
- Department of Respiratory Diseases, School of Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, People's Republic of China
| | - Silin Xie
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha, Hunan, 410208, People's Republic of China
- Department of Respiratory Diseases, School of Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, People's Republic of China
| | - Aiguo Dai
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha, Hunan, 410208, People's Republic of China
- Department of Respiratory Diseases, School of Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, People's Republic of China
- Department of Respiratory Medicine, the First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, 410021, People's Republic of China
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15
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Li XX, Li D, Cui XY, Zhou K, Liu J, Lu JJ, Wu Y, Lin Q, Li Y. Astragaloside IV for Heart Failure: Preclinical Evidence and Possible Mechanisms, A Systematic Review and Meta-Analysis. Chin J Integr Med 2023:10.1007/s11655-023-3636-x. [PMID: 37221412 DOI: 10.1007/s11655-023-3636-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/01/2023] [Indexed: 05/25/2023]
Abstract
OBJECTIVE To explore the cardioprotective effects of astragaloside IV (AS-IV) in heart failure (HF). METHODS PubMed, Excerpta Medica Database (EMBASE), Cochrane Library, Web of Science, Wanfang Database, Chinese Bio-medical Literature and Retrieval System (SinoMed), China Science and Technology Journal Database (VIP), and China National Knowledge Infrastructure (CNKI) were searched from inception to November 1, 2021 for animal experiments to explore AS-IV in treating HF in rats or mice. The left ventricular ejection fraction (LVEF), left ventricular fractional shortening (LVFS), left ventricular end-diastolic dimension (LVEDD), left ventricular end-systolic dimension (LVESD), left ventricular weight-to-body weight (LVW/BW) and B-type brain natriuretic peptide (BNP) were recorded. The qualities of included studies were assessed by the risk of bias according to the Cochrane handbook. Meta-analysis was performed using Stata 13.0. RESULTS Twenty-one articles involving 558 animals were considered. Compared with the control group, AS-IV improved cardiac function, specifically by increasing LVEF (mean difference (MD)=6.97, 95% confidence interval (CI)=5.92 to 8.03, P<0.05; fixed effects model) and LVFS (MD=7.01, 95% CI=5.84 to 8.81, P<0.05; fixed effects model), and decreasing LVEDD (MD=-4.24, 95% CI=-4.74 to -3.76, P<0.05; random effects model) and LVESD (MD=-4.18, 95% CI=-5.26 to -3.10, P<0.05; fixed effects model). In addition, the BNP and LVW/BW levels were decreased in the AS-IV treatment group (MD=-9.18, 95% CI=-14.13 to -4.22, P<0.05; random effects model; MD=-1.91, 95% CI=-2.42 to -1.39, P<0.05; random effects model). CONCLUSIONS AS-IV is a promising therapeutic agent for HF. However, this conclusion needs to be clinically validated in the future.
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Affiliation(s)
- Xing-Xing Li
- Department of Cardiology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, 100078, China
| | - Dong Li
- Department of Cardiology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, 100078, China
| | - Xiao-Yun Cui
- Department of Cardiology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, 100078, China
| | - Kun Zhou
- Department of Cardiology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, 100078, China
| | - Jing Liu
- Department of Cardiology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, 100078, China
| | - Jin-Jin Lu
- Department of Cardiology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, 100078, China
| | - Yang Wu
- Department of Cardiology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, 100078, China
| | - Qian Lin
- Department of Cardiology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Yan Li
- Department of Cardiology, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, 100078, China.
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Huang D, Shen Z, Zhao S, Pei C, Jia N, Wang Y, Wu Y, Wang X, Shi S, He Y, Wang Z, Wang F. Sipeimine attenuates PM2.5-induced lung toxicity via suppression of NLRP3 inflammasome-mediated pyroptosis through activation of the PI3K/AKT pathway. Chem Biol Interact 2023; 376:110448. [PMID: 36898572 DOI: 10.1016/j.cbi.2023.110448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 02/26/2023] [Accepted: 03/06/2023] [Indexed: 03/11/2023]
Abstract
Exposure to fine particulate matter (PM2.5), an environmental pollutant, significantly contributes to the incidence of and risk of mortality associated with respiratory diseases. Sipeimine (Sip) is a steroidal alkaloid in fritillaries that exerts antioxidative and anti-inflammatory effects. However, protective effect of Sip for lung toxicity and its mechanism to date remains poorly understood. In the present study, we investigated the lung-protective effect of Sip via establishing the lung toxicity model of rats with orotracheal instillation of PM2.5 (7.5 mg/kg) suspension. Sprague-Dawley rats were intraperitoneally administered with Sip (15 mg/kg or 30 mg/kg) or vehicle daily for 3 days before instillation of PM2.5 suspension to establish the model of lung toxicity. The results found that Sip significantly improved pathological damage of lung tissue, mitigated inflammatory response, and inhibited lung tissue pyroptosis. We also found that PM2.5 activated the NLRP3 inflammasome as evidenced by the upregulation levels of NLRP3, cleaved-caspase-1, and ASC proteins. Importantly, PM2.5 could trigger pyroptosis by increased levels of pyroptosis-related proteins, including IL-1β, cleaved IL-1β, and GSDMD-N, membrane pore formation, and mitochondrial swelling. As expected, all these deleterious alterations were reversed by Sip pretreatment. These effects of Sip were blocked by the NLRP3 activator nigericin. Moreover, network pharmacology analysis showed that Sip may function via the PI3K/AKT signaling pathway and animal experiment validate the results, which revealed that Sip inhibited NLRP3 inflammasome-mediated pyroptosis by suppressing the phosphorylation of PI3K and AKT. Our findings demonstrated that Sip inhibited NLRP3-mediated cell pyroptosis through activation of the PI3K/AKT pathway in PM2.5-induced lung toxicity, which has a promising application value and development prospect against lung injury in the future.
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Affiliation(s)
- Demei Huang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Zherui Shen
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Sijing Zhao
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Caixia Pei
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Nan Jia
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Yilan Wang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Yongcan Wu
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Xiaomin Wang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Shihua Shi
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Yacong He
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
| | - Zhenxing Wang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China.
| | - Fei Wang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China.
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Ma J, Han Z, Jiao R, Yuan G, Ma C, Yan X, Meng A. Irisin Ameliorates PM2.5-Induced Acute Lung Injury by Regulation of Autophagy Through AMPK/mTOR Pathway. J Inflamm Res 2023; 16:1045-1057. [PMID: 36936349 PMCID: PMC10018221 DOI: 10.2147/jir.s390497] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 03/02/2023] [Indexed: 03/12/2023] Open
Abstract
Background PM2.5 exposure is one of the major inducements of various respiratory diseases and related mortality. Meanwhile, irisin, a metabolism and thermogenesis-related hormone, is found to be protective against acute lung injury induced by LPS, which indicates its therapeutic function in lung injury. However, the function and underlying mechanism of irisin in PM2.5-induced acute lung injury (ALI) are still unclear. This study is aimed to discover the potential mechanisms of irisin in PM2.5-induced acute lung injury. Methods Atg5 deficient mice and cells were established to clarify the relationship between irisin and autophagy in PM2.5-induced ALI. We also used Ad-mCherry-GFP-LC3B as a monitor of autophagy flux to claim the effects of irisin on autophagy. Western blotting and qPCR were used to reveal the molecular mechanism. Results As a result, PM2.5 exposure induced lung injury whereas mitigated by irisin. Moreover, PM2.5 hampered autophagy flux, characterized by accumulation of p62, and autophagosomes, as well as blocked autolysosomes. Irisin improved the disturbed autophagy flux, which was abrogated by deficiency of Atg5. Additionally, we demonstrated that irisin activated AMPK and inhibited mTOR, which indicated the enhanced autophagy. Moreover, blockage of AMPK by compound C terminated irisin's induction of autophagy in cultured MH-S cells. Conclusion Our findings reveal that irisin performs protective effects against PM2.5-induced ALI by activating autophagy through AMPK/mTOR signaling pathway.
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Affiliation(s)
- Jiao Ma
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050000, People’s Republic of China
| | - Zhuoxiao Han
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050000, People’s Republic of China
| | - Rui Jiao
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050000, People’s Republic of China
| | - Guanli Yuan
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050000, People’s Republic of China
| | - Cuiqing Ma
- Key Laboratory of Immune Mechanism and Intervention on Serious Disease in Hebei Province, Shijiazhuang, Hebei, 050000, People’s Republic of China
| | - Xixin Yan
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050000, People’s Republic of China
| | - Aihong Meng
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050000, People’s Republic of China
- Correspondence: Aihong Meng, Department of Respiratory and Critical Care Medicine, The Second Hospital of Hebei Medical University, No. 215, Heping West Road, Shijiazhuang, Hebei, 050000, People’s Republic of China, Email
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Wang Y, Zhao S, Jia N, Shen Z, Huang D, Wang X, Wu Y, Pei C, Shi S, He Y, Wang Z. Pretreatment with rosavin attenuates PM2.5-induced lung injury in rats through antiferroptosis via PI3K/Akt/Nrf2 signaling pathway. Phytother Res 2023; 37:195-210. [PMID: 36097321 DOI: 10.1002/ptr.7606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 08/09/2022] [Accepted: 08/18/2022] [Indexed: 01/19/2023]
Abstract
Inflammation and oxidative stress caused by fine particulate matter (PM2.5) increase the incidence and mortality rates of respiratory disorders. Rosavin is the main chemical component of Rhodiola plants, which exerts anti-oxidative and antiinflammatory effects. In this research, the potential therapeutic effect of rosavin was investigated by the PM2.5-induced lung injury rat model. Rats were instilled with PM2.5 (7.5 mg/kg) suspension intratracheally, while rosavin (50 mg/kg, 100 mg/kg) was delivered by intraperitoneal injection before the PM2.5 injection. It was observed that rosavin could prevent lung injury caused by PM2.5. PM2.5 showed obvious ferroptosis-related ultrastructural alterations, which were significantly corrected by rosavin. The pretreatment with rosavin downregulated the levels of tissue iron, malondialdehyde, and 4-hydroxynonenal, and increased the levels of glutathione. The expression of nuclear factor E2-related factor 2 (Nrf2) was upregulated by rosavin, together with other ferroptosis-related proteins. RSL3, a specific ferroptosis agonist, reversed the beneficial impact of rosavin. The network pharmacology approach predicted the activation of rosavin on the phosphatidylinositol 3-kinase (PI3K)/protein kinase B (Akt) signaling pathway. LY294002, a potent PI3K inhibitor, decreased the upregulation of Nrf2 induced by rosavin. In conclusion, rosavin prevented lung injury induced by PM2.5 stimulation and suppressed ferroptosis via upregulating PI3K/Akt/Nrf2 signaling pathway.
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Affiliation(s)
- Yilan Wang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Sijing Zhao
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Nan Jia
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Zherui Shen
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Demei Huang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Xiaomin Wang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Yongcan Wu
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Caixia Pei
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Shihua Shi
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Yacong He
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Zhenxing Wang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
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Yang Y, Hong M, Lian WW, Chen Z. Review of the pharmacological effects of astragaloside IV and its autophagic mechanism in association with inflammation. World J Clin Cases 2022; 10:10004-10016. [PMID: 36246793 PMCID: PMC9561601 DOI: 10.12998/wjcc.v10.i28.10004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 05/23/2022] [Accepted: 08/25/2022] [Indexed: 02/05/2023] Open
Abstract
Astragalus membranaceus Bunge, known as Huangqi, has been used to treat various diseases for a long time. Astragaloside IV (AS-IV) is one of the primary active ingredients of the aqueous Huangqi extract. Many experimental models have shown that AS-IV exerts broad beneficial effects on cardiovascular disease, nervous system diseases, lung disease, diabetes, organ injury, kidney disease, and gynaecological diseases. This review demonstrates and summarizes the structure, solubility, pharmacokinetics, toxicity, pharmacological effects, and autophagic mechanism of AS-IV. The autophagic effects are associated with multiple signalling pathways in experimental models, including the PI3KI/Akt/mTOR, PI3K III/Beclin-1/Bcl-2, PI3K/Akt, AMPK/mTOR, PI3K/Akt/mTOR, SIRT1–NF-κB, PI3K/AKT/AS160, and TGF-β/Smad signalling pathways. Based on this evidence, AS-IV could be used as a replacement therapy for treating the multiple diseases referenced above.
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Affiliation(s)
- Ying Yang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, Zhejiang Province, China
| | - Meng Hong
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, Zhejiang Province, China
| | - Wen-Wen Lian
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, Zhejiang Province, China
| | - Zhi Chen
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, Zhejiang Province, China
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Wu Y, Pei C, Wang X, Wang Y, Huang D, Shi S, Shen Z, Li S, He Y, Wang Z, Wang J. Probiotics ameliorates pulmonary inflammation via modulating gut microbiota and rectifying Th17/Treg imbalance in a rat model of PM2.5 induced lung injury. Ecotoxicol Environ Saf 2022; 244:114060. [PMID: 36115151 DOI: 10.1016/j.ecoenv.2022.114060] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 08/30/2022] [Accepted: 09/04/2022] [Indexed: 06/15/2023]
Abstract
The imbalance of intestinal microbiota and inflammatory response is crucial in the development of lung injury induced by PM2.5. In recent years, probiotics have attracted great attention for their health benefits in inflammatory diseases and regulating intestinal balance, but their intricate mechanisms need further experiments to elucidate. In our research, a rat lung damage model induced by PM2.5 exposure in real environment was established to explore the protective properties of probiotics on PM2.5 exposure injury and its related mechanism. The results indicated that compared with the AF control group, rats in the PM2.5 group gained weight slowly, ate less and had yellow hair. The results of pathological and immunohistochemical examinations showed that the inflammatory infiltration of lung tissue was alleviated after probiotic treatment. The Lung function results also showed the improvement effects of probiotics administration. In addition, probiotics could promote the balance of Th17 and Treg cells, inhibit cytokines expression (TNF-α, IL-6, IL-1β, IL-17A), and increase the concentration of anti-inflammatory factors (IL-10, TGF-β). In addition, 16 S rRNA sequence analysis showed that probiotic treatment could reduce microbiota abundance and diversity, increase the abundance of possible beneficial bacteria, and decrease the abundance of bacteria associated with inflammation. In general, probiotic intervention was found to have preventive effects on the occurrence of PM2.5 induced pathological injury, and the mechanism was associate with to the inhibition of inflammatory response, regulation of Th17/Treg balance and maintenance of intestinal internal environment stability.
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Affiliation(s)
- Yongcan Wu
- Chongqing Key Laboratory of Traditional Chinese Medicine for Prevention and Cure of Metabolic Diseases, Chongqing Medical University, Chongqing 400016, PR China
| | - Caixia Pei
- Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu 610075, PR China
| | - Xiaomin Wang
- Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu 610075, PR China
| | - Yilan Wang
- Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu 610075, PR China
| | - Demei Huang
- Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu 610075, PR China
| | - Shihua Shi
- Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu 610075, PR China
| | - Zherui Shen
- Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu 610075, PR China
| | - Shuiqin Li
- Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu 610075, PR China
| | - Yacong He
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, No.1166 Liutai Avenue, Chengdu 611137, PR China.
| | - Zhenxing Wang
- Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu 610075, PR China.
| | - Jianwei Wang
- Chongqing Key Laboratory of Traditional Chinese Medicine for Prevention and Cure of Metabolic Diseases, Chongqing Medical University, Chongqing 400016, PR China.
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Ren J, Li X, Zhu S, Yin B, Guo Z, Cui Q, Song J, Pei H, Ma Y. Sesamin Ameliorates Fine Particulate Matter (PM 2.5)-Induced Lung Injury via Suppression of Apoptosis and Autophagy in Rats. J Agric Food Chem 2022; 70:9489-9498. [PMID: 35881548 DOI: 10.1021/acs.jafc.2c02470] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Lung damage can be caused by fine particulate matter (PM2.5). Thus, effective prevention strategies for PM2.5-induced lung injury are urgently required. Sesamin (Ses) is a natural polyphenolic compound that has attracted considerable attention of researchers because of its wide range of pharmacological activities. The present study aims to elucidate whether Ses pretreatment could alleviate PM2.5-induced lung damage and identify its possible mechanisms. Sprague-Dawley rats were orally dosed with 0.5% carboxymethylcellulose (CMC) and different concentrations of Ses once a day for 21 days. Then, the rats of the PM2.5 exposure group and Ses-treated group were exposed to PM2.5 by intratracheal instillation every 2 days for 1 week. Biomarkers associated with lung injury were detected in bronchoalveolar lavage fluid (BALF). Lung tissue was collected for histology, inflammation, oxidative stress, immunohistochemistry, and Western blot. Our results showed that PM2.5 exposure could cause pathological changes in lung tissue and increase levels of TP, AKP, and ALB in BALF. Meanwhile, exposure to PM2.5 can cause oxidative stress and inflammation in the lungs. In addition, Ses pretreatment could ameliorate histopathological injury, oxidative stress, and inflammation caused by PM2.5 exposure. It could also inhibit PM2.5-induced apoptosis and upregulation of autophagy-associated proteins. Collectively, our study indicated that Ses pretreatment could ameliorate PM2.5-induced lung damage via inhibiting apoptosis and autophagy in rats.
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Affiliation(s)
- Jingyi Ren
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Province Key Laboratory of Environment and Human Health, Shijiazhuang, 050017, China
| | - Xiang Li
- Undergraduate of College of Public Health, Hebei Medical University, Shijiazhuang, 050017, China
| | - Siqi Zhu
- Undergraduate of College of Public Health, Hebei Medical University, Shijiazhuang, 050017, China
| | - Bowen Yin
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Province Key Laboratory of Environment and Human Health, Shijiazhuang, 050017, China
| | - Zihao Guo
- Undergraduate of College of Public Health, Hebei Medical University, Shijiazhuang, 050017, China
| | - Qiqi Cui
- Undergraduate of College of Basic Medicine, Hebei Medical University, Shijiazhuang, 050017, China
| | - Jianshi Song
- Undergraduate of College of Basic Medicine, Hebei Medical University, Shijiazhuang, 050017, China
| | - Huanting Pei
- Undergraduate of College of Public Health, Hebei Medical University, Shijiazhuang, 050017, China
| | - Yuxia Ma
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Province Key Laboratory of Environment and Human Health, Shijiazhuang, 050017, China
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