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Meng X, Liu J, Kang J, Wang M, Guan Z, Tian D, Chen X. Lamivudine protects mice from gastric ulcer by activating PGK1 to suppress ferroptosis. Biochem Pharmacol 2024; 227:116440. [PMID: 39029631 DOI: 10.1016/j.bcp.2024.116440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Revised: 07/12/2024] [Accepted: 07/16/2024] [Indexed: 07/21/2024]
Abstract
Gastric ulcer is a highly prevalent digestive tract disease across the world, which is recurrent and hard to cure, sometimes transforming into gastric cancer if left untreated, posing great threat to human health. To develop new medicines for gastric ulcer, we ran a series of screens with ethanol stress model in GES-1 cells, and we uncovered that lamivudine rescued cells from ethanol toxicity. Then, we confirmed this discovery using the well-established ethanol-induced gastric ulcer model in mice and our findings suggest that lamivudine can directly activate phosphoglycerate kinase 1 (PGK1, EC 2.7.2.3), which binds and stimulates superoxide dismutase 1 (SOD1, EC 1.15.1.1) to inhibit ferroptosis and ultimately improve gastric ulcer. Moreover, AAV-PGK1 exhibited comparable gastroprotective effects to lamivudine. The findings are expected to offer novel therapeutic strategies for gastric ulcer, encompassing both lamivudine and AAV-PGK1.
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Affiliation(s)
- Xinrui Meng
- Department of Pharmacy, Lanzhou University, Lanzhou 730000, PR China; Southeast Research Institute, Lanzhou University, Putian 351152, PR China
| | - Jingjing Liu
- Department of Pharmacy, Lanzhou University, Lanzhou 730000, PR China; Southeast Research Institute, Lanzhou University, Putian 351152, PR China
| | - Jia Kang
- Department of Pharmacy, Lanzhou University, Lanzhou 730000, PR China; Southeast Research Institute, Lanzhou University, Putian 351152, PR China
| | - Menghan Wang
- Department of Pharmacy, Lanzhou University, Lanzhou 730000, PR China; Southeast Research Institute, Lanzhou University, Putian 351152, PR China
| | - Zhanghui Guan
- Department of Pharmacy, Lanzhou University, Lanzhou 730000, PR China; Southeast Research Institute, Lanzhou University, Putian 351152, PR China
| | - Dong Tian
- Department of Pharmacy, Lanzhou University, Lanzhou 730000, PR China; Southeast Research Institute, Lanzhou University, Putian 351152, PR China
| | - Xinping Chen
- Department of Pharmacy, Lanzhou University, Lanzhou 730000, PR China; Southeast Research Institute, Lanzhou University, Putian 351152, PR China.
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Chen Y, Zhao Y, Lu H, Zhang W, Gai Y, Niu G, Meng X, Lv H, Qian X, Ding X, Chen J. Protective effect of short-chain fructo-oligosaccharides from chicory on alcohol-induced injury in GES-1 cells via Keap1/Nrf2 and NLRP3 inflammasome signaling pathways. Front Nutr 2024; 11:1374579. [PMID: 38807640 PMCID: PMC11132183 DOI: 10.3389/fnut.2024.1374579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 04/09/2024] [Indexed: 05/30/2024] Open
Abstract
Numerous studies have demonstrated that polysaccharides derived from chicory possess the ability to regulate host signaling and modify mucosal damage. Yet, the effect and mechanism of short-chain fructo-oligosaccharides (scFOS) on gastric mucosa remain unclear. Hence, the protective effect of three scFOS (1-Kestose, Nystose, and 1F-Fructofuranosylnystose) against ethanol-induced injury in gastric epithelial (GES-1) cells, and the underlying molecular mechanism involved was investigated in this study. Treatment with 7% ethanol decreased the cell viability of GES-1 cells, resulting in oxidative stress and inflammation. However, pretreatment with scFOS exhibited significant improvements in cell viability, and mitigated oxidative stress and inflammation. scFOS markedly elevated the protein expression of Nrf2, HO-1, SOD1 and SOD2, while suppressing the expression of Keap1. scFOS pretreatment could also maintain mitochondrial membrane potential balance and reduce apoptosis. In addition, scFOS was observed to reduce the protein level of NLRP3, Caspase-1 and ASC. In conclusion, scFOS served a preventive function in mitigating oxidative stress and inflammation in ethanol-exposed GES-1 cells through modulation of the Keap1/Nrf2 and NLRP3 inflammasome signaling pathways. Collectively, the results indicated that scFOS could significantly mitigate ethanol-induced gastric cell damage, suggesting its potential for safeguarding gastrointestinal health.
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Affiliation(s)
- Yan Chen
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, China
| | - Yanan Zhao
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, China
| | - Hao Lu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Weichen Zhang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yanan Gai
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, China
| | - Guanting Niu
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, China
| | - Xiuhua Meng
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, China
| | - Han Lv
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, China
| | - Xiaoguo Qian
- Fengning PingAn High-Tech Industrial Co., Ltd, Chengde, China
| | - Xiaoqin Ding
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, China
| | - Jian Chen
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, China
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
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Du K, Zheng C, Kuang Z, Sun Y, Wang Y, Li S, Meng D. Gastroprotective effect of eupatilin, a polymethoxyflavone from Artemisia argyi H.Lév. & Vaniot, in ethanol-induced gastric mucosal injury via NF-κB signaling pathway. JOURNAL OF ETHNOPHARMACOLOGY 2024; 318:116986. [PMID: 37536645 DOI: 10.1016/j.jep.2023.116986] [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: 04/24/2023] [Revised: 07/28/2023] [Accepted: 07/30/2023] [Indexed: 08/05/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Artemisia argyi H.Lév. & Vaniot (AA) has been extensively utilized as an important medicine and food homology in China, Japan, Korea, and eastern parts of Russia, owing to its pharmacological effects, which include anti-inflammatory, antibacterial, antitussive, and antiallergic properties. Despite the extract of AA can significantly alleviate gastric mucosal injury, its precise material basis for effectiveness is not yet clear. As one of the polymethoxy flavonoids with high content in AA, the gastroprotective activity and molecular mechanism of eupatilin (EUP) require further investigation. AIM OF THE STUDY This study aims to investigate the gastroprotective effects and possible mechanisms of EUP by using an ethanol-induced gastric mucosal injury model in rats. MATERIALS AND METHODS EUP was isolated from 95% ethanol extract of AA using a systematic phytochemical method. The gastroprotective activity of EUP was evaluated using a male SD rat model with ethanol-induced gastric mucosa injury. Histopathology evaluation of gastric tissues was performed using hematoxylin and eosin (H&E) staining. The levels of cytokines in the plasma and tissues were tested using the ELISA kits, while western blot analysis was employed to assess the expressions of COX-2, iNOS, and NF-κB pathway proteins. RESULTS A sufficient amount of EUP was obtained from AA through chromatographic methods and identified by NMR experiment. In vivo, experimental results proved that EUP could significantly alleviate pathological features, increased SOD, GSH, and IL-10 levels, and decreased the contents of MDA, TNF-α, IL-1β, and IL-6. Further in vitro and in vivo Western blot experimental results showed that EUP significantly down-regulates the expressions of the NF-κB signal pathway to relieve inflammatory responses. CONCLUSION This study demonstrated that EUP could exert gastroprotective effects by inhibiting inflammation, enhancing gastric mucosal defense, and ameliorating oxidative stress, which is beneficial for providing scientific data for the development of gastric protection.
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Affiliation(s)
- Kaicheng Du
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, 110016, PR China
| | - Changwei Zheng
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, 110016, PR China
| | - Zhulingzhi Kuang
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, 110016, PR China
| | - Yiwei Sun
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, 110016, PR China
| | - Yumeng Wang
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, 110016, PR China
| | - Shuang Li
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, 110016, PR China
| | - Dali Meng
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, 110016, PR China.
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Xu Q, Cui F, Li X, Wang N, Gao Y, Yin S, Hu F. Dangshen Huangjiu prevents gastric mucosal injury and inhibits Akt/NF-κB pathway. Food Funct 2023; 14:7897-7911. [PMID: 37491882 DOI: 10.1039/d3fo00489a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2023]
Abstract
One of the top ten tonic herbs, Dangshen is frequently found in Chinese functional foods. With the inclusion of Dangshen in the list of food and medicine substances in 2020, the Dangshen Huangjiu (DHJ) emerged. In the Bencao, it is written that Huangjiu can "open up the curved veins and thicken the stomach and intestines". Furthermore, increasing investigations have verified the protective effect of Dangshen on the gastric mucosa. Therefore, we propose the hypothesis that the stomach mucosa might be protected by the DHJ. To demonstrate that the effect of solids in Dangshen Huangjiu (DHJG) on damaged human gastric mucosal epithelial cells (GES-1) was reversed, the study used ethanol to induce injury to GES-1 and then used protein immunoblotting (western blotting) to determine the expression levels of p-Akt, p-NF-κB-p65, and NF-κB-p65 proteins in the cells. 0.04 mol L-1 MNNG (5 mL kg-1 body weight) mixed with eating disorders(2 d satiety, l d starvation, 3 d cycle) was used to further establish a chronic non-atrophic gastritis (CNAG) model in Wistar rats, at the same time, the experimental rats were given DHJ and DHJG gavage. Cellular assays confirmed that DHJG (25-100 μg mL-1) dose-dependently increased the viability of ethanol-injured GES-1 and lowered p-Akt and p-NF-κB-p65/NF-κB-p65 protein expression. Animal experiments revealed that 10 mL kg-1 and 20 mL kg-1 DHJ had no significant effect on the basic activity and gastric tissues and related biochemical indices of healthy rats; DHJ (10 mL kg-1, 20 mL kg-1) and DHJG (2.8 g kg-1, 11.4 g kg-1) resulted in some improvement in weight loss and significant improvement in gastric mucosal pathology in CNAG rats with damage. Particularly, DHJ and DHJG significantly decreased the expression of p-Akt, p-NF-κB-p65/NF-κB-p65 and Bcl-2/Bax proteins and Akt, IKKβ, IκBα and NF-κB mRNA in the gastric tissues of CNAG rats. These results showed that DHJG ameliorates ethanol-induced GES-1 cell injury; both DHJ and DHJG alleviate CNAG, and the mechanisms by which they do so may be related to DHJ and DHJG increasing the antioxidant capacity (elevating SOD, decreasing MDA), attenuating inflammatory responses (decreasing IL-1β, IL-6, and TNF-α), reversing apoptosis (reducing the Bcl-2/Bax ratio) and down-regulating gastric tissue p-Akt and p-NF-κB-p65/NF-κB-p65 protein expression as well as Akt, IKKβ, IκBα and NF-κB mRNA expression. This study indicates that the interventional effects of DHJ and DHJG in CNAG may act through the Akt/NF-κB signaling pathway.
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Affiliation(s)
- Qiaohong Xu
- School of Pharmacy, Lanzhou University, Lanzhou, 730000, China.
- State Key Laboratory of Applied Organic Chemistry, Collaborative Innovation Center for Northwestern Chinese Medicine, Lanzhou University, Lanzhou, 730000, China
| | - Fang Cui
- School of Pharmacy, Lanzhou University, Lanzhou, 730000, China.
- Codonopsis Radix Research Institute, Lanzhou University, Lanzhou, 730000, China
| | - Xiaodong Li
- Gansu Provincial Hospital of Traditional Chinese Medicine, Lanzhou, 730000, China
| | - Nan Wang
- School of Pharmacy, Lanzhou University, Lanzhou, 730000, China.
- State Key Laboratory of Applied Organic Chemistry, Collaborative Innovation Center for Northwestern Chinese Medicine, Lanzhou University, Lanzhou, 730000, China
| | - Yingrui Gao
- School of Pharmacy, Lanzhou University, Lanzhou, 730000, China.
- State Key Laboratory of Applied Organic Chemistry, Collaborative Innovation Center for Northwestern Chinese Medicine, Lanzhou University, Lanzhou, 730000, China
| | - Shiping Yin
- Gansu Wushanchi Huangjiu Co. Ltd, Linxia, 731804, China
| | - Fangdi Hu
- School of Pharmacy, Lanzhou University, Lanzhou, 730000, China.
- State Key Laboratory of Applied Organic Chemistry, Collaborative Innovation Center for Northwestern Chinese Medicine, Lanzhou University, Lanzhou, 730000, China
- Codonopsis Radix Research Institute, Lanzhou University, Lanzhou, 730000, China
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Jia X, He Y, Li L, Xu D. Pharmacological targeting of gastric mucosal barrier with traditional Chinese medications for repairing gastric mucosal injury. Front Pharmacol 2023; 14:1091530. [PMID: 37361204 PMCID: PMC10285076 DOI: 10.3389/fphar.2023.1091530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 05/17/2023] [Indexed: 06/28/2023] Open
Abstract
Introduction: The gastric mucosa (GM) is the first barrier and vital interface in the stomach that protects the host from hydrochloric acid in gastric juice and defends against exogenous insults to gastric tissues. The use of traditional Chinese medications (TCMs) for the treatment of gastric mucosal injury (GMI) has long-standing history and a good curative effect. Whereas there are poor overall reports on the intrinsic mechanisms of these TCM preparations that pharmacology uses to protect body from GMI, which is crucial to treating this disease. These existing reviews have deficiencies that limit the clinical application and development of both customary prescriptions and new drugs. Methods: Further basic and translational studies must be done to elucidate the intrinsic mechanisms of influence of these TCM preparations. Moreover, well-designed and well-conducted experiences and clinical trials are necessary to ascertain the efficacy and mechanisms of these agents. Therefore, this paper presents a focused overview of currently published literature to assess how TCMs action that facilitates the cures for GMI. It offers a whole train of current state of pharmacological evidence, identifies the pharmacological mechanisms of TCMs on GM, and highlights that remarkable capacity of TCMs to restore GM after damage. Results: These TCMs preparations promote the repair of multicomponent targets such as the gastric mucus, epithelial layer, blood flow (GMBF) and lamina propria barrier. Summary: Overall, this study has summarized the essential regulatory mechanisms and pharmacological efficacy of TCMs on new and productive therapeutic targets. Discussion: This review provides an avenue for studying various drugs with potentially promising effects on mucosal integrity, as well as subsequent pharmacological studies, clinical applications, and new drug development.
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Affiliation(s)
- Xueyan Jia
- Department of Cell Biology, Zunyi Medical University, Zunyi, China
- Department of Medical Instrumental Analysis, Zunyi Medical University, Zunyi, China
| | - Yihuai He
- Department of Infectious Diseases, The Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Lin Li
- Department of Cell Biology, Zunyi Medical University, Zunyi, China
| | - Delin Xu
- Department of Cell Biology, Zunyi Medical University, Zunyi, China
- Department of Medical Instrumental Analysis, Zunyi Medical University, Zunyi, China
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Zhou C, Chen J, Liu K, Maharajan K, Zhang Y, Hou L, Li J, Mi M, Xia Q. Isoalantolactone protects against ethanol-induced gastric ulcer via alleviating inflammation through regulation of PI3K-Akt signaling pathway and Th17 cell differentiation. Biomed Pharmacother 2023; 160:114315. [PMID: 36716661 DOI: 10.1016/j.biopha.2023.114315] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 01/10/2023] [Accepted: 01/26/2023] [Indexed: 01/30/2023] Open
Abstract
Gastric ulcer (GU) is one of the most prevalent digestive system diseases in humans, and it has been linked to inflammation. Previous studies have demonstrated the anti-inflammatory potential of isoalantolactone (IAL), a sesquiterpene lactone isolated from Radix Inulae. However, the pharmacological effects of IAL on GU and its mechanism of action are still unclear. Hence, the present study is aimed to investigate the anti-inflammatory potential of IAL on GU. Firstly, we assessed the effect of IAL on ethanol-induced injury of human gastric epithelial cells and the levels of inflammatory cytokines in cell culture supernatants. Then, the anti-inflammatory effects of IAL were confirmed in vivo using zebrafish inflammation models. Furthermore, the mechanism of IAL against GU was preliminarily discussed through network pharmacology and molecular docking studies. Quantitative real-time PCR assays were also used to confirm the mechanism of IAL action. ALB, EGFR, SRC, HSP90AA1, and CASP3 were found for the first time as the key targets of the IAL anti-GU. PI3K-Akt signaling pathway and Th17 cell differentiation were identified to play a crucial role in the anti-GU effects of IAL. In conclusion, we found that IAL has anti-inflammatory effects both in vitro and in vivo, and showed potential protective effects against ethanol-induced GU.
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Affiliation(s)
- Chaoyi Zhou
- School of Pharmacy, Hebei University, Baoding 071002, China; Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, China
| | - Jing Chen
- Tibetan traditional medicine college, Lhasa 850000, China
| | - Kechun Liu
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, China
| | - Kannan Maharajan
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, China
| | - Yun Zhang
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, China
| | - Linhua Hou
- School of Pharmacy, Hebei University, Baoding 071002, China; Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, China
| | - Jianheng Li
- School of Pharmacy, Hebei University, Baoding 071002, China.
| | - Ma Mi
- Tibetan traditional medicine college, Lhasa 850000, China.
| | - Qing Xia
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250103, China.
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Wang M, Hu WJ, Wang QH, Yang BY, Kuang HX. Extraction, purification, structural characteristics, biological activities, and application of the polysaccharides from Nelumbo nucifera Gaertn. (lotus): A review. Int J Biol Macromol 2023; 226:562-579. [PMID: 36521698 DOI: 10.1016/j.ijbiomac.2022.12.072] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 12/02/2022] [Accepted: 12/07/2022] [Indexed: 12/15/2022]
Abstract
Nelumbo nucifera Gaertn. (lotus) is a widely distributed plant with a long history of cultivation and consumption. Almost all parts of the lotus can be used as foodstuff and nourishment, or as an herb. It is noteworthy that the polysaccharides obtained from lotus exhibit surprisingly and satisfying biological activities, which explains the various benefits of lotus to human health, including anti-diabetes, anti-osteoporosis, antioxidant, anti-inflammatory, anti-tumor, etc. Here, we systematically review the recent major studies on extraction and purification methods of polysaccharides from different parts (rhizome, seed, leaf, plumule, receptacle and stamen) of lotus, as well as the characterization of their chemical structure, biological activity and structure-activity relationship, and the applications of lotus polysaccharides in different fields. This article will give an updated and deeper understanding of lotus polysaccharides and provide theoretical basis for their further research and application in human health and manufacture development.
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Affiliation(s)
- Meng Wang
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, Heilongjiang University of Chinese Medicine, Harbin 150000, China
| | - Wen-Jing Hu
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, Heilongjiang University of Chinese Medicine, Harbin 150000, China
| | - Qiu-Hong Wang
- School of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Bing-You Yang
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, Heilongjiang University of Chinese Medicine, Harbin 150000, China
| | - Hai-Xue Kuang
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, Heilongjiang University of Chinese Medicine, Harbin 150000, China.
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Restivo I, Attanzio A, Tesoriere L, Allegra M, Garcia-Llatas G, Cilla A. A Mixture of Dietary Plant Sterols at Nutritional Relevant Serum Concentration Inhibits Extrinsic Pathway of Eryptosis Induced by Cigarette Smoke Extract. Int J Mol Sci 2023; 24:ijms24021264. [PMID: 36674779 PMCID: PMC9861561 DOI: 10.3390/ijms24021264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 01/05/2023] [Accepted: 01/06/2023] [Indexed: 01/11/2023] Open
Abstract
Cell death program of red blood cells (RBCs), called eryptosis, is characterized by activation of caspases and scrambling of membrane phospholipids with externalization of phosphatidylserine (PS). Excessive eryptosis confers a procoagulant phenotype and is implicated in impairment of microcirculation and increased prothrombotic risk. It has recently been reported that cigarette smokers have high levels of circulating eryptotic erythrocytes, and a possible contribution of eryptosis to the vaso-occlusive complications associated to cigarette smoke has been postulated. In this study, we demonstrate how a mixture of plant sterols (MPtS) consisting of β-sitosterol, campesterol and stigmasterol, at serum concentration reached after ingestion of a drink enriched with plant sterols, inhibits eryptosis induced by cigarette smoke extract (CSE). Isolated RBCs were exposed for 4 h to CSE (10-20% v/v). When RBCs were co-treated with CSE in the presence of 22 µM MPtS, a significant reduction of the measured hallmarks of apoptotic death like assembly of the death-inducing signaling complex (DISC), PS outsourced, ceramide production, cleaved forms of caspase 8/caspase 3, and phosphorylated p38 MAPK, was evident. The new beneficial properties of plant sterols on CSE-induced eryptosis presented in this work open new perspectives to prevent the negative physio-pathological events caused by the eryptotic red blood cells circulating in smokers.
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Affiliation(s)
- Ignazio Restivo
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Via Archirafi 28, 90123 Palermo, Italy
| | - Alessandro Attanzio
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Via Archirafi 28, 90123 Palermo, Italy
- Correspondence: ; Tel.: +39-091-2386-2434
| | - Luisa Tesoriere
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Via Archirafi 28, 90123 Palermo, Italy
| | - Mario Allegra
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Via Archirafi 28, 90123 Palermo, Italy
| | - Guadalupe Garcia-Llatas
- Nutrition and Food Science Area, Faculty of Pharmacy, University of Valencia, Avda. Vicente Andrés Estellés s/n, 46100 Burjassot, Spain
| | - Antonio Cilla
- Nutrition and Food Science Area, Faculty of Pharmacy, University of Valencia, Avda. Vicente Andrés Estellés s/n, 46100 Burjassot, Spain
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Liu D, Pi J, Zhang B, Zeng H, Li C, Xiao Z, Fang F, Liu M, Deng N, Wang J. Phytosterol of lotus seed core powder alleviates hypercholesterolemia by regulating gut microbiota in high-cholesterol diet-induced C57BL/6J mice. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.102279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
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10
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Liu H, Zhuang S, Liang C, He J, Brennan CS, Brennan MA, Ma L, Xiao G, Chen H, Wan S. Effects of a polysaccharide extract from Amomum villosum Lour. on gastric mucosal injury and its potential underlying mechanism. Carbohydr Polym 2022; 294:119822. [DOI: 10.1016/j.carbpol.2022.119822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 06/24/2022] [Accepted: 06/29/2022] [Indexed: 11/25/2022]
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CHENG Q, ZHANG Y, LIN Q, TIAN Y, BAO Y. Study on the antioxidant activity of β-sitosterol and stigmasterol from Sacha Inchi oil and Prinsepia oil added to walnut oil. FOOD SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1590/fst.69522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Qin CHENG
- Yunnan Agricultural University, China
| | | | - Qi LIN
- Yunnan Agricultural University, China
| | - Yang TIAN
- Yunnan Agricultural University, China
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