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Nabil G, Ahmed YH, Ahmed O, Milad SS, Hisham M, Rafat M, Atia M, Shokry AA. Argel's stemmoside C as a novel natural remedy for mice with alcohol-induced gastric ulcer based on its molecular mechanistic pathways. JOURNAL OF ETHNOPHARMACOLOGY 2024; 327:117970. [PMID: 38428660 DOI: 10.1016/j.jep.2024.117970] [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: 12/16/2023] [Revised: 02/21/2024] [Accepted: 02/22/2024] [Indexed: 03/03/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Solenostemma argel is widely distributed in Africa & Asia with traditional usage in alleviating abdominal colic, aches, & cramps. This plant is rich in phytochemicals, which must be explored for its pharmacological effects. PURPOSE Peptic Ulcer Disease (PUD) is the digestion of the digestive tube. PUD not only interferes with food digestion & nutrient absorption, damages one of the largest defensive barriers against pathogenic micro-organisms, but also impedes drug absorption & bioavailability, rendering the oral route, the most convenient way, ineffective. Omeprazole, one of the indispensable cost-effective proton-pump inhibitors (PPIs) extensively prescribed to control PUD, is showing growing apprehensions toward multiple drug interactions & side effects. Hence, finding a natural alternative with Omeprazole-like activity & limited side effects is a medical concern. STUDY DESIGN Therefore, we present Stemmoside C as a new gastroprotective phytochemical agent isolated from Solenostemma argel to be tested in upgrading doses against ethanol-induced gastric ulcers in mice compared to negative, positive, & reference Omeprazole groups. METHODS We carried out in-depth pharmacological & histopathological studies to determine the possible mechanistic pathway. RESULTS Our results showed that Stemmoside C protected the stomach against ethanol-induced gastric ulcers parallel to Omeprazole. Furthermore, the mechanistic studies revealed that Stemmoside C produced its effect using an orchestrated array of different mechanisms. Stemmoside C stimulates stomach defense by increasing COX-2, PGE-2, NO, & TFF-1 healing factors, IL-10 anti-inflammatory cytokine, & Nrf-2 & HO-1 anti-oxidant pathways. It also suppresses stomach ulceration by inhibiting leucocyte recruitment, especially neutrophils, leading to subsequent inhibition of NF-κBp65, TNF-α, IL-1β, & iNOS pro-inflammatory cytokines & JAK-1/STAT-3 inflammation-induced carcinogenicity cascade in addition to MMP-9 responsible for tissue degradation. CONCLUSION These findings cast light on Stemmoside C's clinical application against gastric ulcer progression, recurrence, & tumorigenicity & concurrently with chemotherapy.
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Affiliation(s)
- Ghazal Nabil
- Department of Pharmacology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt.
| | - Yasmine H Ahmed
- Department of Cytology & Histology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Omaima Ahmed
- Department of Cytology & Histology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Selvia S Milad
- Department of Physiology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Mohamed Hisham
- Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Mohamed Rafat
- Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Mohamed Atia
- Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Aya A Shokry
- Department of Pharmacology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt.
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Yan-Rui W, Xue-Er Y, Mao-Yu D, Ya-Ting L, Bo-Heng L, Miao-Jie Z, Li Z. Research on the signaling pathway and the related mechanism of traditional Chinese medicine intervention in chronic gastritis of the "inflammation-cancer transformation". Front Pharmacol 2024; 15:1338471. [PMID: 38698812 PMCID: PMC11063381 DOI: 10.3389/fphar.2024.1338471] [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: 11/14/2023] [Accepted: 04/05/2024] [Indexed: 05/05/2024] Open
Abstract
Objective: The aim of this study is to uncover the traditional Chinese medicine (TCM) treatments for chronic gastritis and their potential targets and pathways involved in the "inflammation-cancer" conversion in four stages. These findings can provide further support for future research into TCM and its active components. Materials and methods: The literature search encompassed PubMed, Web of Science, Google Scholar, CNKI, WanFang, and VIP, employing keywords such as "chronic gastritis", "gastric cancer", "traditional Chinese medicine", "medicinal herb", "Chinese herb", and "natural plant". Results: Herbal remedies may regulate the signaling pathways linked to the advancement of chronic gastritis. Under the multi-target and multi-pathway independent or combined reaction, the inflammatory microenvironment may be enhanced, leading to repair of damaged gastric mucosal cells, buffering the progress of mucosal atrophic degeneration via the decrease of inflammatory factor expression, inhibition of oxidative stress-induced damage, facilitation of microvascular neovascularization in the gastric mucosa and regulation of the processes of gastric mucosal cell differentiation and proliferation. Simultaneously, the decreased expression of inflammatory factors may impact the expression of associated oncogenes and regulate the malignant proliferation of cells, thereby achieving the treatment and prevention objectives of gastric cancer through the reduction of cell metastasis and apoptosis. Conclusion: Chinese medicine formulations and individual drugs can be utilised at various stages of the "inflammation-cancer" progression of chronic gastritis to prevent and treat gastric cancer in a multi-level, multi-targeted, and multi-directional fashion. This can provide guidance for the accurate application of medicines during different stages of "inflammation-cancer" transformation. New insights into the mechanism of inflammation-cancer transformation and the development of novel drugs for chronic gastritis can be gained through an extensive investigation of TCM treatment in this condition.
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Affiliation(s)
- Wang Yan-Rui
- Dongzhimen Hospital of Beijing University of Chinese Medicine, Beijing, China
- Beijing University of Chinese Medicine, Beijing, China
| | - Yan Xue-Er
- Dongzhimen Hospital of Beijing University of Chinese Medicine, Beijing, China
- Beijing University of Chinese Medicine, Beijing, China
| | - Ding Mao-Yu
- Beijing University of Chinese Medicine, Beijing, China
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Lu Ya-Ting
- Dongzhimen Hospital of Beijing University of Chinese Medicine, Beijing, China
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Lu Bo-Heng
- Beijing University of Chinese Medicine, Beijing, China
| | - Zhai Miao-Jie
- Dongzhimen Hospital of Beijing University of Chinese Medicine, Beijing, China
- Beijing University of Chinese Medicine, Beijing, China
| | - Zhu Li
- Dongzhimen Hospital of Beijing University of Chinese Medicine, Beijing, China
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Liu X, Yuan Z, Luo L, Wang T, Zhao F, Zhang J, Liu D. Protective role of fruits of Rosa odorata var. gigantea against WIRS-induced gastric mucosal injury in rats by modulating pathway related to inflammation, oxidative stress and apoptosis. CHINESE HERBAL MEDICINES 2024; 16:263-273. [PMID: 38706820 PMCID: PMC11064581 DOI: 10.1016/j.chmed.2023.10.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/22/2023] [Accepted: 10/15/2023] [Indexed: 05/07/2024] Open
Abstract
Objective Rosa odorata var. gigantea is a popular medicinal plant. Some studies have demonstrated that ethanolic extract of the fruits of R. odorata var. gigantea (FOE) has gastroprotective properties. The aim of this study was to investigate the gastroprotective activity of FOE on water immersion restrained stress (WIRS)-induced gastric mucosal injury in a rat model and elucidate the possible molecular mechanisms involved. Methods A rat stress ulcer model was established in this study using WIRS. After rats were treated with FOE orally for 7 d, the effect of FOE treatment was analyzed by hematoxylin and eosin (H&E) staining, and the changes of inflammatory factors, oxidative stress factors, and gastric-specific regulatory factors and pepsin in the blood and gastric tissues of rats were examined by ELISA assay. Molecular mechanism of FOE was investigated by immunohistochemical assay and Western blot. Results Compared with the WIRS group, FOE could diminish both the macroscopic and microscopic pathological morphology of gastric mucosa. FOE significantly preserved the antioxidants glutathione peroxidase (GSH-PX), superoxide dismutase (SOD) and catalase (CAT) contents; anti-inflammatory cytokines interleukin-10 (IL-10) and prostaglandin E2 (PGE2) levels as well as regulatory factors tumor necrosis factor-α (TGF-α) and somatostatin (SS) contents, while decreasing malondialdehyde (MDA), nitric oxide synthase (iNOS), tumor necrosis factor (TNF-α), interleukin-1β (IL-1β), interleukin-6 (IL-6), gastrin (GAS) and endothelin (ET) levels. Moreover, FOE distinctly upregulated the expression of Nrf2, HO-1, Bcl2 and proliferating cell nuclear antigen (PCNA). In addition, FOE activated the expression of p-EGFR and downregulated the expression of NF-κB, Bax, Cleaved-caspase-3, Cyto-C and Cleaved-PARP1, thus promoting gastric mucosal cell survival. Conclusion The current work demonstrated that FOE exerted a gastroprotective activity against gastric mucosal injury induced by WIRS. The underlying mechanism might be associated with the improvement of anti-inflammatory, anti-oxidation and anti-apoptosis systems.
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Affiliation(s)
- Xinnan Liu
- National Key Laboratory of Chinese Medicine Modernization, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Zhen Yuan
- Tianjin Modern Innovation Chinese Medicine Technology Co., Ltd., Tianjin 300380, China
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, China
| | - Lifei Luo
- Tianjin Modern Innovation Chinese Medicine Technology Co., Ltd., Tianjin 300380, China
| | - Teng Wang
- National Key Laboratory of Chinese Medicine Modernization, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
- Tianjin Modern Innovation Chinese Medicine Technology Co., Ltd., Tianjin 300380, China
| | - Feng Zhao
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai 264005, China
| | - Jingze Zhang
- National Key Laboratory of Chinese Medicine Modernization, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
- Tianjin Modern Innovation Chinese Medicine Technology Co., Ltd., Tianjin 300380, China
| | - Dailin Liu
- National Key Laboratory of Chinese Medicine Modernization, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
- Tianjin Modern Innovation Chinese Medicine Technology Co., Ltd., Tianjin 300380, China
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Feng Z, Wei Y, Zhang Z, Li M, Gu R, Lu L, Liu W, Qin H. Wheat peptides inhibit the activation of MAPK and NF-κB inflammatory pathways and maintain epithelial barrier integrity in NSAID-induced intestinal epithelial injury. Food Funct 2024; 15:823-837. [PMID: 38131381 DOI: 10.1039/d3fo03954d] [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: 12/23/2023]
Abstract
The use of non-steroidal anti-inflammatory drugs (NSAIDs) has negative effects on the gastrointestinal tract, but the proton pump inhibitors currently in use only protect against gastrointestinal disease and may even make NSAID-induced enteropathy worse. Therefore, new approaches to treating enteropathy are required. This study aimed to investigate the protective effect of wheat peptides (WPs) against NSAID-induced intestinal damage in mice and their mechanism. Here, an in vivo mouse model was built to investigate the protective and reparative effects of different concentrations of WPs on NSAID-induced intestinal injury. WPs ameliorated NSAID-induced weight loss and small intestinal tissue damage in mice. WP treatment inhibited NSAID-induced injury leading to increased levels of oxidative stress and expression levels of inflammatory factors. WPs protected and repaired the integrity and permeability injury of the intestinal tight junction induced by NSAIDs. An in vitro Caco-2 cell model was built with lipopolysaccharide (LPS). WP pretreatment inhibited LPS-induced changes in the Caco-2 cell permeability and elevated the levels of oxidative stress. WPs inhibited LPS-induced phosphorylation of NF-κB p65 and mitogen-activated protein kinase (MAPK) signaling pathways and reduced the expression of inflammatory factors. In addition, WPs increased tight junction protein expression, which contributed to improved intestinal epithelial dysfunction. Our results suggest that WPs can ameliorate NSAID-induced impairment of intestinal barrier functional integrity by improving intestinal oxidative stress levels and reducing inflammatory factor expression through inhibition of NF-κB p65 and MAPK signaling pathway activation. WPs can therefore be used as potential dietary supplements to reduce NSAID-induced injury of the intestine.
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Affiliation(s)
- Zhiyuan Feng
- Tianjin Key Laboratory of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin Economic and Technological Development Area, Tianjin, China.
- Beijing Engineering Research Center of Protein & Functional Peptides, China National Research Institute of Food and Fermentation Industries, Beijing, 100015, China
| | - Ying Wei
- Department of Food Science and Engineering, Beijing University of Agriculture, Beijing, China.
| | - Zhuoran Zhang
- Beijing Engineering Research Center of Protein & Functional Peptides, China National Research Institute of Food and Fermentation Industries, Beijing, 100015, China
| | - Mingliang Li
- Beijing Engineering Research Center of Protein & Functional Peptides, China National Research Institute of Food and Fermentation Industries, Beijing, 100015, China
| | - Ruizeng Gu
- Beijing Engineering Research Center of Protein & Functional Peptides, China National Research Institute of Food and Fermentation Industries, Beijing, 100015, China
| | - Lu Lu
- Beijing Engineering Research Center of Protein & Functional Peptides, China National Research Institute of Food and Fermentation Industries, Beijing, 100015, China
| | - Wenying Liu
- Department of Food Science and Engineering, Beijing University of Agriculture, Beijing, China.
| | - Huimin Qin
- Tianjin Key Laboratory of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin Economic and Technological Development Area, Tianjin, China.
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Song JH, Nam HH, Park I, Yang S, Chun JM, Seo YS, Kim HY, Moon BC, Kang S, Moon C, Kang SI, Song JH, Kim JS. Comparative Morphology of Island and Inland Agastache rugosa and Their Gastroprotective Effects in EtOH/HCl-Induced Gastric Mucosal Gastritis. PLANTA MEDICA 2024; 90:4-12. [PMID: 37903549 DOI: 10.1055/a-2189-7272] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/01/2023]
Abstract
Agastache rugosa Kuntze (Lamiaceae; Labiatae), a medicinal and functional herb used to treat gastrointestinal diseases, grows well both on islands and inland areas in South Korea. Thus, we aimed to reveal the morphological and micromorphological differences between A. rugosa grown on island and inland areas and their pharmacological effects on gastritis in an animal model by combining morphological and mass spectrophotometric analyses. Morphological analysis showed that island A. rugosa had slightly smaller plants and leaves than inland plants; however, the density of all types of trichomes on the leaves, petioles, and stems of island A. rugosa was significantly higher than that of inland plants. The essential oil component analysis revealed that pulegone levels were substantially higher in island A. rugosa than in inland A. rugosa. Despite the differences between island and inland A. rugosa, treatment with both island and inland A. rugosa reduced gastric damages by more than 40% compared to the gastritis induction group. In addition, expression of inflammatory protein was reduced by about 30% by treatment of island and inland A. rugosa. The present study demonstrates quantitative differences in morphology and volatile components between island and inland plants; significant differences were not observed between the gastritis-inhibitory effects of island and inland A. rugosa, and the efficacy of island A. rugosa was found to be similar to that of A. rugosa grown in inland areas.
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Affiliation(s)
- Jun-Ho Song
- Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, Naju-si, Jeollanam-do, Korea
- Department of Biology, Chungbuk National University, Cheongju, Korea
| | - Hyeon-Hwa Nam
- Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, Naju-si, Jeollanam-do, Korea
| | - Inkyu Park
- Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, Naju-si, Jeollanam-do, Korea
- Department of Biology and Chemistry, Changwon National University, Changwon, Korea
| | - Sungyu Yang
- Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, Naju-si, Jeollanam-do, Korea
| | - Jin Mi Chun
- Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, Naju-si, Jeollanam-do, Korea
| | - Yun-Soo Seo
- Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, Naju-si, Jeollanam-do, Korea
| | - Hyun-Yong Kim
- Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, Naju-si, Jeollanam-do, Korea
| | - Byeong Cheol Moon
- Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, Naju-si, Jeollanam-do, Korea
| | - Sohi Kang
- Department of Veterinary Anatomy and Animal Behavior, College of Veterinary Medicine and BK21 FOUR Program, Chonnam National University, Korea
| | - Changjong Moon
- Department of Veterinary Anatomy and Animal Behavior, College of Veterinary Medicine and BK21 FOUR Program, Chonnam National University, Korea
| | - Seong-Il Kang
- Jeju Institute of Korean Medicine, Jeju-si, Jeju-do, Korea
| | - Ji Hoon Song
- Jeju Institute of Korean Medicine, Jeju-si, Jeju-do, Korea
| | - Joong-Sun Kim
- Department of Veterinary Anatomy and Animal Behavior, College of Veterinary Medicine and BK21 FOUR Program, Chonnam National University, Korea
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Yuan Y, Wang X, Wang Y, Liu Y, Zhao L, Zhao L, Cai S. The Gastroprotective Effect of Walnut Peptides: Mechanisms and Impact on Ethanol-Induced Acute Gastric Mucosal Injury in Mice. Nutrients 2023; 15:4866. [PMID: 38068724 PMCID: PMC10708498 DOI: 10.3390/nu15234866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 11/19/2023] [Accepted: 11/20/2023] [Indexed: 12/18/2023] Open
Abstract
The objective of this research was to explore the protective impact of walnut peptides (WP) against ethanol-induced acute gastric mucosal injury in mice and to investigate the underlying defense mechanisms. Sixty male BALB-c mice were divided into five groups, and they were orally administered distilled water, walnut peptides (200 and 400 mg/kg bw), and omeprazole (20 mg/kg bw) for 24 days. Acute gastric mucosal injury was then induced with 75% ethanol in all groups of mice except the blank control group. Walnut peptides had significant protective and restorative effects on tissue indices of ethanol-induced gastric mucosal damage, with potential gastric anti-ulcer effects. Walnut peptides significantly inhibited the excessive accumulation of alanine aminotransferase (ALT), aspartate transferase (AST), and malondialdehyde (MDA), while promoting the expression of reduced glutathione (GSH), total antioxidant capacity (T-AOC), glutathione disulfide (GSSG), and mouse epidermal growth factor (EGF). Furthermore, the Western blot analysis results revealed that walnut peptides significantly upregulated the expression of HO-1 and NQO1 proteins in the Nrf2 signaling pathway. The defensive impact of walnut peptides on the gastric mucosa may be achieved by mitigating the excessive generation of lipid peroxides and by boosting cellular antioxidant activity.
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Affiliation(s)
- Yutong Yuan
- Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology and Business University, Beijing 100048, China; (Y.Y.); (X.W.); (Y.L.); (L.Z.)
- Beijing Key Laboratory of Functional Food from Plant Resources, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China;
| | - Xinyi Wang
- Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology and Business University, Beijing 100048, China; (Y.Y.); (X.W.); (Y.L.); (L.Z.)
- Beijing Key Laboratory of Functional Food from Plant Resources, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China;
| | - Yumeng Wang
- Beijing Key Laboratory of Functional Food from Plant Resources, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China;
| | - Yaqi Liu
- Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology and Business University, Beijing 100048, China; (Y.Y.); (X.W.); (Y.L.); (L.Z.)
| | - Liang Zhao
- Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology and Business University, Beijing 100048, China; (Y.Y.); (X.W.); (Y.L.); (L.Z.)
| | - Lei Zhao
- Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology and Business University, Beijing 100048, China; (Y.Y.); (X.W.); (Y.L.); (L.Z.)
| | - Shengbao Cai
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
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Li G, Liu X, Miao Z, Hu N, Zheng X. Preparation of Corn Peptides with Anti-Adhesive Activity and Its Functionality to Alleviate Gastric Injury Induced by Helicobacter pylori Infection In Vivo. Nutrients 2023; 15:3467. [PMID: 37571404 PMCID: PMC10421185 DOI: 10.3390/nu15153467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 07/28/2023] [Accepted: 08/03/2023] [Indexed: 08/13/2023] Open
Abstract
More than 50% of the world population is infected with Helicobacter pylori (H. pylori), which is classified as group I carcinogen by the WHO. H. pylori surface adhesins specifically recognize gastric mucosal epithelial cells' (GES-1 cells) receptor to complete the adhesion. Blocking the adhesion with an anti-adhesion compound is an effective way to prevent H. pylori infection. The present study found that corn protein hydrolysate, hydrolyzed by Neutral, effectively alleviated gastric injury induced by H. pylori infection through anti-adhesive and anti-inflammatory effects in vitro and in vivo. The hydrolysate inhibited H. pylori adhesion to GES-1 cells significantly, and its anti-adhesive activity was 50.44 ± 0.27% at 4 mg/mL, which indicated that the hydrolysate possessed a similar structure to the GES-1 cells' receptor, and exhibited anti-adhesive activity in binding to H. pylori. In vivo, compared with the H. pylori infection model group, the medium and high dose of the hydrolysate (400-600 mg/kg·bw) significantly decreased (p < 0.05) the amount of H. pylori colonization, pro-inflammatory cytokines (IL-6, IL-1β, TNF-α and MPO), chemokines (KC and MCP-1) as well as key metabolites of NF-κB signaling pathway levels (TLR4, MyD88 and NF-κB), and it increased antioxidant enzyme contents (SOD and GSH-Px) and the mitigation of H. pylori-induced pathological changes in the gastric mucosa. Taken together, these results indicated that the hydrolysate intervention can prevent H. pylori-induced gastric injury by anti-adhesive activity and inhibiting the NF-κB signaling pathway's induction of inflammation. Hence, the corn protein hydrolysate might act as a potential anti-adhesive agent to prevent H. pylori infection.
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Affiliation(s)
- Guanlong Li
- Heilongjiang Provincial Key Laboratory of Corn Deep Processing Theory and Technology, College of Food and Bioengineering, Qiqihar University, Qiqihar 161006, China; (G.L.); (Z.M.); (N.H.)
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing 163319, China;
| | - Xiaolan Liu
- Heilongjiang Provincial Key Laboratory of Corn Deep Processing Theory and Technology, College of Food and Bioengineering, Qiqihar University, Qiqihar 161006, China; (G.L.); (Z.M.); (N.H.)
| | - Zhengfei Miao
- Heilongjiang Provincial Key Laboratory of Corn Deep Processing Theory and Technology, College of Food and Bioengineering, Qiqihar University, Qiqihar 161006, China; (G.L.); (Z.M.); (N.H.)
| | - Nan Hu
- Heilongjiang Provincial Key Laboratory of Corn Deep Processing Theory and Technology, College of Food and Bioengineering, Qiqihar University, Qiqihar 161006, China; (G.L.); (Z.M.); (N.H.)
| | - Xiqun Zheng
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing 163319, China;
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Selim HM, Negm WA, Hawwal MF, Hussein IA, Elekhnawy E, Ulber R, Zayed A. Fucoidan mitigates gastric ulcer injury through managing inflammation, oxidative stress, and NLRP3-mediated pyroptosis. Int Immunopharmacol 2023; 120:110335. [PMID: 37201406 DOI: 10.1016/j.intimp.2023.110335] [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: 02/20/2023] [Revised: 04/28/2023] [Accepted: 05/10/2023] [Indexed: 05/20/2023]
Abstract
This study aimed to elucidate the gastro-protective effect of fucoidan against ethanol-induced gastric ulcer mediated via NLRP3-induced pyroptosis as an underlying mechanism, not yet assessed in prior research. Forty-eight male Albino mice were divided into six groups: Group I (normal control), group II (Ulcer/ethanol control), group III (Omeprazole + ethanol), group IV (fucoidan 25 mg + ethanol), group V (fucoidan 50 mg + ethanol) and group VI (fucoidan only). Fucoidan was administered orally for seven consecutive days followed by ulcer induction by a single oral dose of ethanol. Using colorimetric analysis, ELISA, qRT-PCR, histological assessment, and immunohistochemical studies, the results revealed that ethanol-induced ulcer exhibited an ulcer score of 42.5 ± 5.1 and a significant increase (p < 0.05) in malondialdehyde (MDA), nuclear factor kappa B (NF-κB), and interleukin 6 (IL-6) with a significant decrease in the gastro-protective mediators, prostaglandin E2 (PGE2), superoxide dismutase (SOD) and glutathione (GSH), accompanied with an increase in NLRP3, interleukin 1β (IL-1β), interleukin 18 (IL-18), caspase 1, caspase 11, gasdermin D, and toll-like receptor 4 (TLR4), compared with the normal control. Pre-treatment with fucoidan showed a comparable result with omeprazole. Additionally, pre-treatments elevated the levels of the gastro-protective mediators and lessened oxidative stress, relative to the positive control findings. Conclusively, fucoidan has a promising gastro-protective role by inhibiting inflammation and pyroptosis.
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Affiliation(s)
- Hend Mostafa Selim
- Biochemistry Department, Faculty of Pharmacy, Tanta University, Tanta 31527, Egypt
| | - Walaa A Negm
- Department of Pharmacognosy, Faculty of Pharmacy, Tanta University, Tanta 31527, Egypt
| | - Mohammed F Hawwal
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh 4545, Saudi Arabia
| | - Ismail A Hussein
- Department of Pharmacognosy and Medicinal Plants, Faculty of Pharmacy (Boys), Al-Azhar University, Cairo 11884, Egypt
| | - Engy Elekhnawy
- Pharmaceutical Microbiology Department, Faculty of Pharmacy, Tanta University, Tanta 31527, Egypt
| | - Roland Ulber
- Institute of Bioprocess Engineering, Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau, Gottlieb-Daimler-Straße 49, 67663 Kaiserslautern, Germany
| | - Ahmed Zayed
- Department of Pharmacognosy, Faculty of Pharmacy, Tanta University, Tanta 31527, Egypt; Institute of Bioprocess Engineering, Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau, Gottlieb-Daimler-Straße 49, 67663 Kaiserslautern, Germany.
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Ye HY, Shang ZZ, Zhang FY, Zha XQ, Li QM, Luo JP. Dendrobium huoshanense stem polysaccharide ameliorates alcohol-induced gastric ulcer in rats through Nrf2-mediated strengthening of gastric mucosal barrier. Int J Biol Macromol 2023; 236:124001. [PMID: 36907308 DOI: 10.1016/j.ijbiomac.2023.124001] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 02/22/2023] [Accepted: 03/06/2023] [Indexed: 03/12/2023]
Abstract
This study aimed to explore whether Dendrobium huoshanense stem polysaccharide (cDHPS) ameliorates alcohol-induced gastric ulcer (GU) through the strengthening effect of the gastric mucosal barrier in rats and its potential mechanism. In normal rats, the pretreatment of cDHPS effectively strengthened gastric mucosal barrier by increasing mucus secretion and tight junction protein expression. In GU rats, cDHPS supplementation effectively alleviated alcohol-induced gastric mucosal injury and nuclear factor κB (NF-κB)-driven inflammation by strengthening gastric mucosal barrier. Moreover, cDHPS significantly activated nuclear factor E2-related factor 2 (Nrf2) signaling and promoted antioxidant enzymes activities in both normal and GU rats. These results suggested that the pretreatment of cDHPS could strengthen gastric mucosal barrier to inhibit oxidative stress and NF-κB-driven inflammation induced gastric mucosal injury, which was likely related to the activation of Nrf2 signaling.
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Affiliation(s)
- Hui-Yu Ye
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
| | - Zhen-Zi Shang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
| | - Feng-Yun Zhang
- School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, People's Republic of China
| | - Xue-Qiang Zha
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
| | - Qiang-Ming Li
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China.
| | - Jian-Ping Luo
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China.
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10
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Danisman B, Cicek B, Yildirim S, Bolat I, Kantar D, Golokhvast KS, Nikitovic D, Tsatsakis A, Taghizadehghalehjoughi A. Carnosic Acid Ameliorates Indomethacin-Induced Gastric Ulceration in Rats by Alleviating Oxidative Stress and Inflammation. Biomedicines 2023; 11:biomedicines11030829. [PMID: 36979808 PMCID: PMC10045571 DOI: 10.3390/biomedicines11030829] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 02/19/2023] [Accepted: 03/04/2023] [Indexed: 03/12/2023] Open
Abstract
Nonsteroidal anti-inflammatory drugs (NSAIDs) such as aspirin and indomethacin (IND) are the most commonly prescribed for inflammation or pain. However, widespread use causes several adverse effects, such as gastric ulcers, upper gastric system bleeding, and erosions. Carnosic acid (CA) is an important natural antioxidant found in rosemary (Rosmarinus essentials) and exhibits a protective effect by suppressing oxidative stress and inflammation. This study aimed to investigate the impact of CA on IND-induced gastric ulceration. Wistar male rats received CA (100 mg/kg) or esomeprazole (ESP) (20 mg/kg, standard drug) by oral gavage for 14 days, after that gastric ulceration was induced by oral administration of 100 mg/kg IND. CA pretreatment attenuated both gross morphological lesions and histopathological alterations. CA strongly reduced IND-induced oxidative stress, verified by a decrease in MDA (p < 0.001) and TOS levels (p < 0.05). Furthermore, an IND-dependent increase in CAT (p < 0.001) and GPx (p < 0.01) activities, as well as a reduction in GSH levels (p < 0.01), were ameliorated by CA pretreatment. CA also attenuated inflammatory damage by suppressing IL-1β (p < 0.01), IL-6 (p < 0.01), and TNFα (p < 0.001) production and increasing Nrf2/HO-1 (p < 0.05) expressions. In conclusion, CA shows a gastroprotective effect by reducing oxidative stress and attenuating inflammation.
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Affiliation(s)
- Betul Danisman
- Department of Biophysics, Faculty of Medicine, Ataturk University, Erzurum 25240, Turkey
| | - Betul Cicek
- Department of Physiology, Faculty of Medicine, Erzincan Binali Yildirim University, Erzincan 24100, Turkey
| | - Serkan Yildirim
- Department of Pathology, Faculty of Veterinary, Atatürk University, Erzurum 25240, Turkey
| | - Ismail Bolat
- Department of Pathology, Faculty of Veterinary, Atatürk University, Erzurum 25240, Turkey
| | - Deniz Kantar
- Department of Biophysics, Faculty of Medicine, Akdeniz University, Antalya 07058, Turkey
| | - Kirill S. Golokhvast
- Siberian Federal Scientific Centre of Agrobiotechnology, Centralnaya, Presidium, Krasnoobsk 633501, Russia
| | - Dragana Nikitovic
- Laboratory of Histology-Embryology, Medical School, University of Crete, 71003 Heraklion, Greece
- Correspondence: (D.N.); (A.T.)
| | - Aristidis Tsatsakis
- Department of Forensic Sciences and Toxicology, Faculty of Medicine, University of Crete, 71003 Heraklion, Greece
| | - Ali Taghizadehghalehjoughi
- Department of Medical Pharmacology, Faculty of Medicine, Bilecik Seyh Edebali University, Bilecik 11000, Turkey
- Correspondence: (D.N.); (A.T.)
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11
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Wang Y, Liu X, Liang L, Zhu Y, Zhang J, Luo L, Wang P, Liu D. The protective effect of quinoa on the gastric mucosal injury induced by absolute ethanol. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023; 103:944-956. [PMID: 36066553 DOI: 10.1002/jsfa.12208] [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: 04/11/2022] [Revised: 07/31/2022] [Accepted: 09/06/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Gastric mucosal injury caused by ethanol is a common gastrointestinal disease. Quinoa (Chenopodium quinoa Willd.), as a nutrient-rich grain, plays a significant role in preventing and treating gastric mucosal damage. The present study aimed to explore the protective effect of quinoa on alcohol-induced gastric mucosal damage and its possible mechanism. RESULTS The ethanol-induced gastric mucosal injury rat model was used for in vivo experiments and H2 O2 -induced GES-1 cells for in vitro experiments to elucidate the protective effect of quinoa. The results show that quinoa water extract can increase the superoxide dismutase level and decrease the malondialdehyde level in vitro and in vivo. Furthermore, quinoa also reduced the bleeding point and bleeding area in rats with ethanol-induced gastric mucosal injury and improved gastric histopathological changes. H2 O2 significantly increased the levels of inflammatory factors in GES-1 cells, which were markedly ameliorated by quinoa water extract. Likewise, quinoa water extract regulated the protein expression levels of Nrf2, Keap1, HO-1, p-IKK, and p-NF-κB through Nrf2 and nuclear factor-κB signaling pathways, reducing the production of oxidative stress and inflammation, thereby repairing the damaged gastric mucosa. CONCLUSION The findings of this study demonstrated that quinoa shows protective effect against ethanol-induced gastric mucosal injury through its anti-inflammatory and anti-oxidant effects. We propose that our research will provide a reference for quinoa as a functional food. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Yansheng Wang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Tianjin Modern Innovation Chinese Medicine Technology Co., Ltd., Tianjin, China
| | - Xinnan Liu
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Tianjin Modern Innovation Chinese Medicine Technology Co., Ltd., Tianjin, China
| | - Lipeng Liang
- Tianjin Modern Innovation Chinese Medicine Technology Co., Ltd., Tianjin, China
| | - Yanru Zhu
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Tianjin Modern Innovation Chinese Medicine Technology Co., Ltd., Tianjin, China
| | - Jingze Zhang
- Tianjin Modern Innovation Chinese Medicine Technology Co., Ltd., Tianjin, China
| | - Lifei Luo
- Tianjin Modern Innovation Chinese Medicine Technology Co., Ltd., Tianjin, China
| | - Ping Wang
- Tianjin Modern Innovation Chinese Medicine Technology Co., Ltd., Tianjin, China
| | - Dailin Liu
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Tianjin Modern Innovation Chinese Medicine Technology Co., Ltd., Tianjin, China
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12
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Gjini B, Melchior I, Euler P, Kreysel C, Kalde S, Krummen B, Kiesslich R, Hemmerlein B, Frieling T. Food intolerance in patients with functional abdominal pain: Evaluation through endoscopic confocal laser endomicroscopy. Endosc Int Open 2023; 11:E67-E71. [PMID: 36644536 PMCID: PMC9839425 DOI: 10.1055/a-1978-6753] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 10/13/2022] [Indexed: 11/17/2022] Open
Abstract
Background and study aims Gastrointestinal symptoms assumed to be caused by food intolerance are reported frequently in the general population. There is a significant difference between self-reported and objective proven food intolerance, as shown by placebo-controlled, double-blind, randomized trials. This discrepancy may be overcome by endoscopic confocal laser endomicroscopy (eCLE). Patients and methods In an observational study we evaluated 34 patients with functional abdominal pain and adverse reaction to food by eCLE and local duodenal food challenge for the first time. Spontaneous and food-induced transfer of fluorescein into the duodenal lumen was detected 10 minutes after intravenously application of fluorescein and 10 minutes after duodenal food challenge (DFC). Results Of the patients, 67.6 % responded with a fluorescein leakage into the duodenal lumen. Frequency rank order of food antigens that induced a response were soy (50 %), wheat (46.1 %), milk (20 %), egg (12 %), and yeast (11.5 %), respectively. Of the patients, 23.5 % showed spontaneous leakage of fluorescein, suggesting leaky gut syndrome. Histology of duodenal biopsies and mast cell function were normal. Overall, 69.5 % of patients improved with food exclusion therapy and 13 % were symptom-free according to eCLE. Conclusions The results of our study indicate that eCLE is a clinically useful tool to evaluate patients with functional abdominal pain and adverse reaction to food and to create individualized dietary therapy with clinical benefit for patients.
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Affiliation(s)
- Besmir Gjini
- Department of Internal Medicine and Gastroenterology, Helios Clinic Krefeld, Germany
| | - Ilka Melchior
- Department of Internal Medicine and Gastroenterology, Helios Clinic Krefeld, Germany
| | - Philipp Euler
- Department of Internal Medicine and Gastroenterology, Helios Clinic Krefeld, Germany
| | - Christian Kreysel
- Department of Internal Medicine and Gastroenterology, Helios Clinic Krefeld, Germany
| | - Sigrid Kalde
- Department of Internal Medicine and Gastroenterology, Helios Clinic Krefeld, Germany
| | - Britta Krummen
- Department of Internal Medicine and Gastroenterology, Helios Clinic Krefeld, Germany
| | - Ralf Kiesslich
- Department of Internal Medicine and Gastroenterology, Helios Clinic Wiesbaden, Germany
| | | | - Thomas Frieling
- Department of Internal Medicine and Gastroenterology, Helios Clinic Krefeld, Germany
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13
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Huang Y, Chen S, Yao Y, Wu N, Xu M, Du H, Zhao Y, Tu Y. Ovotransferrin alleviated acute gastric mucosal injury in BALB/c mice caused by ethanol. Food Funct 2023; 14:305-318. [PMID: 36503960 DOI: 10.1039/d2fo02364d] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Acute gastric mucosal injury is a common gastrointestinal disorder, which influences patients' life quality. It was found that ovotransferrin (OVT) reduces the abundance of Helicobacter pylori associated with gastric disease in the intestine of immunosuppressed mice. To clarify its gastric protective function, the present study investigated the effect of OVT on BALB/c mice with ethanol-induced gastric mucosal injury. Results showed that OVT attenuated the ethanol-induced gastric mucosal injury. Furthermore, OVT effectively downregulated the expression of inflammatory markers (tumor necrosis factor-α, interleukin (IL)-1β and IL-6) but enhanced the secretion of IL-4, IL-10 and prostaglandin E2. And OVT pretreatment significantly inhibited the activation of the MAPK/NF-κB pathway. Additionally, OVT improved gastric antioxidant ability by increasing superoxide dismutase and glutathione levels and decreasing malondialdehyde and myeloperoxidase content. Pretreatment with OVT modulated the equilibrium between B-cell lymphoma-2 (Bcl-2) and Bcl-2-associated X. The above results indicated that OVT alleviated inflammatory responses, oxidative stress and apoptosis in gastric mucosal injury mice caused by ethanol.
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Affiliation(s)
- Yan Huang
- Jiangxi Key Laboratory of Natural Products and Functional Food, Jiangxi Agricultural University, Nanchang, 330045, China. .,Agricultural Products Processing and Quality Control Engineering Laboratory of Jiangxi, Jiangxi Agricultural University, Nanchang 330045, China.,Jiangxi Experimental Teaching Demonstration Center of Agricultural Products Storage and Processing Engineering, Jiangxi Agricultural University, Nanchang 330045, China
| | - Shuping Chen
- Jiangxi Key Laboratory of Natural Products and Functional Food, Jiangxi Agricultural University, Nanchang, 330045, China. .,Agricultural Products Processing and Quality Control Engineering Laboratory of Jiangxi, Jiangxi Agricultural University, Nanchang 330045, China.,Jiangxi Experimental Teaching Demonstration Center of Agricultural Products Storage and Processing Engineering, Jiangxi Agricultural University, Nanchang 330045, China
| | - Yao Yao
- Jiangxi Key Laboratory of Natural Products and Functional Food, Jiangxi Agricultural University, Nanchang, 330045, China. .,Agricultural Products Processing and Quality Control Engineering Laboratory of Jiangxi, Jiangxi Agricultural University, Nanchang 330045, China.,Jiangxi Experimental Teaching Demonstration Center of Agricultural Products Storage and Processing Engineering, Jiangxi Agricultural University, Nanchang 330045, China
| | - Na Wu
- Jiangxi Key Laboratory of Natural Products and Functional Food, Jiangxi Agricultural University, Nanchang, 330045, China. .,Agricultural Products Processing and Quality Control Engineering Laboratory of Jiangxi, Jiangxi Agricultural University, Nanchang 330045, China.,Jiangxi Experimental Teaching Demonstration Center of Agricultural Products Storage and Processing Engineering, Jiangxi Agricultural University, Nanchang 330045, China
| | - Mingsheng Xu
- Jiangxi Key Laboratory of Natural Products and Functional Food, Jiangxi Agricultural University, Nanchang, 330045, China. .,Agricultural Products Processing and Quality Control Engineering Laboratory of Jiangxi, Jiangxi Agricultural University, Nanchang 330045, China.,Jiangxi Experimental Teaching Demonstration Center of Agricultural Products Storage and Processing Engineering, Jiangxi Agricultural University, Nanchang 330045, China
| | - Huaying Du
- Jiangxi Key Laboratory of Natural Products and Functional Food, Jiangxi Agricultural University, Nanchang, 330045, China. .,Agricultural Products Processing and Quality Control Engineering Laboratory of Jiangxi, Jiangxi Agricultural University, Nanchang 330045, China.,Jiangxi Experimental Teaching Demonstration Center of Agricultural Products Storage and Processing Engineering, Jiangxi Agricultural University, Nanchang 330045, China
| | - Yan Zhao
- Jiangxi Key Laboratory of Natural Products and Functional Food, Jiangxi Agricultural University, Nanchang, 330045, China. .,Agricultural Products Processing and Quality Control Engineering Laboratory of Jiangxi, Jiangxi Agricultural University, Nanchang 330045, China.,Jiangxi Experimental Teaching Demonstration Center of Agricultural Products Storage and Processing Engineering, Jiangxi Agricultural University, Nanchang 330045, China
| | - Yonggang Tu
- Jiangxi Key Laboratory of Natural Products and Functional Food, Jiangxi Agricultural University, Nanchang, 330045, China. .,Agricultural Products Processing and Quality Control Engineering Laboratory of Jiangxi, Jiangxi Agricultural University, Nanchang 330045, China.,Jiangxi Experimental Teaching Demonstration Center of Agricultural Products Storage and Processing Engineering, Jiangxi Agricultural University, Nanchang 330045, China
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14
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Achillea millefolium Essential Oil Mitigates Peptic Ulcer in Rats through Nrf2/HO-1 Pathway. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27227908. [PMID: 36432009 PMCID: PMC9692697 DOI: 10.3390/molecules27227908] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 11/12/2022] [Accepted: 11/14/2022] [Indexed: 11/17/2022]
Abstract
Extreme ethanol ingestion is associated with developing gastric ulcers. Achillea millefolium (yarrow) is one of the most commonly used herbs with numerous proven pharmacological actions. The goal of the hereby investigation is to explore the gastroprotective action of yarrow essential oil against ethanol-induced gastric ulcers and to reveal the unexplored mechanisms. Rats were distributed into five groups (n = 6); the control group administered 10% Tween 20, orally, for two weeks; the ethanol group administered absolute ethanol (5 mL/kg) to prompt gastric ulcer on the last day of the experiment. Yarrow essential oil 100 or 200 mg/kg + ethanol groups pretreated with yarrow oil (100 or 200 mg/kg, respectively), orally, for two weeks prior to gastric ulcer induction by absolute ethanol. Lanso + ethanol group administered 20 mg/kg lansoprazole, orally, for two weeks prior to gastric ulcer induction by ethanol. Results of the current study showed that ethanol caused several macroscopic and microscopic alterations, amplified lipid peroxidation, pro-inflammatory cytokines, and apoptotic markers, as well as diminished PGE2, NO, and antioxidant enzyme activities. On the other hand, animals pretreated with yarrow essential oil exhibited fewer macroscopic and microscopic modifications, reduced ulcer surface, and increased Alcian blue binding capacity, pH, and pepsin activity. In addition, yarrow essential oil groups exhibited reduced pro-inflammatory cytokines, apoptotic markers, and MDA, restored the PGE2 and NO levels, and recovered the antioxidant enzyme activities. Ethanol escalated Nrf2 and HO-1 expressions, whereas pretreatment of yarrow essential oil caused further intensification in Nrf2 and HO-1. To conclude, the current study suggested yarrow essential oil as a gastroprotective agent against ethanol-induced gastric lesions. This gastroprotective effect could be related to the antioxidant, anti-inflammatory, and anti-apoptotic actions of the essential oil through the instigation of the Nrf2/HO-1 pathway.
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15
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Hua Z, Shen R, Lu B, Li M, Zhou P, Wu J, Dong W, Zhou Q, Zhang J. Weifuchun alters tongue flora and decreases serum trefoil factor I levels in gastric intestinal metaplasia: A CONSORT-compliant article. Medicine (Baltimore) 2022; 101:e31407. [PMID: 36397419 PMCID: PMC9666156 DOI: 10.1097/md.0000000000031407] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 09/29/2022] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE To explore the molecular mechanisms of Weifuchun in the treatment of gastric intestinal metaplasia (GIM), we designed a preclinical pilot study to examine potential markers of disease progression based on alterations in the tongue flora. METHODS Total 27 patients with GIM were treated with Weifuchun for 4 weeks and 26 volunteers as controls. Tongue coating bacteria were profiled using 16S rDNA high-throughput sequencing. Serum pepsinogen I and II levels were detected using the latex immunoturbidimetric assay. The levels of serum trefoil factor I was detected by ELISA. Microplate-based quantification was used to detect serum total bile acid (TBA). RESULTS After treatment, the relative abundance of 4 dominant tongue coating genera (Granulicatella, Gemella, Lachnoanaerobaculum, and Neisseria) increased significantly wheras Alloprevotella, [Eubacterium] nodatum group, Prevotell, and Ruminococcaceae UCG-014 decreased (P < .05). The results showed that Alloprevotella and 3 rare tongue coating genera (Lautropia, Treponema 2, and Aliihoeflea) might be potential markers or target flora for the treatment of GIM. Kyoto encyclopedia of genes and genomes (KEGG) function prediction analysis showed that Weifuchun may regulate bile secretion and folate biosynthesis in patients with GIM. The level of serum trefoil factor I decreased significantly in response to Weifuchun treatment, which was consistent with the decrease in folate biosynthesis predicted by KEGG. CONCLUSION Weifuchun may restore the balance of tongue flora by decreasing the levels of serum trefoil factor I, thereby providing a new way to measuring the underlying effectiveness and potential mechanisms of action of this traditional Chinese medicinal compound in the treatment of GIM.
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Affiliation(s)
- Zhaolai Hua
- Institute of Tumor Prevention and Control, People’s Hospital of Yangzhong City, Yangzhong, China
- Guangxi Key Laboratory of Rare and Endangered Animal Ecology, Guangxi Normal University, Guilin, China
| | - Rui Shen
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medical, Nanjing, China
| | - Bin Lu
- Department of Oncology, People’s Hospital of Yangzhong City, Yangzhong, China
| | - Meifeng Li
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medical, Nanjing, China
| | - Ping Zhou
- Institute of Tumor Prevention and Control, People’s Hospital of Yangzhong City, Yangzhong, China
| | - Juan Wu
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medical, Nanjing, China
| | - Wei Dong
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medical, Nanjing, China
| | - Qihai Zhou
- Guangxi Key Laboratory of Rare and Endangered Animal Ecology, Guangxi Normal University, Guilin, China
| | - Junfeng Zhang
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medical, Nanjing, China
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16
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Xie L, Luo M, Li J, Huang W, Tian G, Chen X, Ai Y, Zhang Y, He H. Gastroprotective mechanism of modified lvdou gancao decoction on ethanol-induced gastric lesions in mice: Involvement of Nrf-2/HO-1/NF-κB signaling pathway. Front Pharmacol 2022; 13:953885. [PMID: 36120337 PMCID: PMC9475313 DOI: 10.3389/fphar.2022.953885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 08/09/2022] [Indexed: 11/13/2022] Open
Abstract
Modified Lvdou Gancao decoction (MLG), a traditional Chinese medicine formula, has been put into clinical use to treat the diseases of the digestive system for a long run, showing great faculty in gastric protection and anti-inflammatory, whereas its protective mechanisms have not been determined. The current study puts the focus on the protective effect and its possible mechanisms of MLG on ethanol-induced gastric lesions in mice. In addition to various gastric lesion parameters and histopathology analysis, the activities of a list of relevant indicators in gastric mucosa were explored including ALDH, ADH, MDA, T-SOD, GSH-Px, and MPO, and the mechanisms were clarified using RT-qPCR, ELISA Western Blot and immunofluorescence staining. The results showed that MLG treatment induced significant increment of ADH, ALDH, T-SOD, GSH-Px, NO, PGE2 and SS activities in gastric tissues, while MPO, MDA, TNF-α and IL-1β levels were on the decline, both in a dose-dependent manner. In contrast to the model group, the mRNA expression of Nrf-2 and HO-1 in the MLG treated groups showed an upward trend while the NF-κB, TNFα, IL-1β and COX2 in the MLG treated groups had a downward trend simultaneously. Furthermore, the protein levels of p65, p-p65, IκBα, p-IκBα, iNOS, COX2 and p38 were inhibited, while Nrf2, HO-1, SOD1, SOD2 and eNOS were ramped up in MLG treatment groups. Immunofluorescence intensities of Nrf2 and HO-1 in the MLG treated groups were considerably enhanced, with p65 and IκBα diminished simultaneously, exhibiting similar trends to that of qPCR and western blot. To sum up, MLG could significantly ameliorate ethanol-induced gastric mucosal lesions in mice, which might be put down to the activation of alcohol metabolizing enzymes, attenuation of the oxidative damage and inflammatory response to maintain the gastric mucosa. The gastroprotective effect of MLG might be achieved through the diminution of damage factors and the enhancement of defensive factors involving NF-κB/Nrf2/HO-1 signaling pathway. We further confirmed that MLG has strong potential in preventing and treating ethanol-induced gastric lesions.
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Affiliation(s)
- Lei Xie
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Minyi Luo
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Junlin Li
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Wenguan Huang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Guangjun Tian
- Liver Diseases Center, Guangdong Provincial Hospital of Chinese Medicine, Zhuhai, Guangdong, China
| | - Xiuyun Chen
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Ying Ai
- Artemisinin Research Center, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Yan Zhang
- First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Haolan He
- Guangzhou Eighth People's Hospital, Guangzhou, Guangdong, China
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17
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Wang Q, Shen F, Zhang J, Cai H, Pan Y, Sun T, Gong Y, Du J, Zhong H, Feng F. Consumption of Wheat Peptides Improves Functional Constipation: A Translational Study in Humans and Mice. Mol Nutr Food Res 2022; 66:e2200313. [PMID: 35920293 DOI: 10.1002/mnfr.202200313] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 07/04/2022] [Indexed: 11/07/2022]
Abstract
SCOPE Wheat peptides (WP) are rich in glutamic acid, glutamine, and other bioactive compounds that may benefit gut function and health. This study aims to evaluate the effects of regular consumption of WP on constipation-induced complications and gut microbiota in humans and mice. METHODS AND RESULTS A randomized trial of 49 functional constipation participants was conducted. The weekly amount of spontaneous bowel movements (SBM) increased by 2.09 per week after WP treatment, and by 0.40 per week among the placebo group (PL). Concomitantly, the secondary outcomes showed significant improvements in the quality of life-related to constipation, constipation severity, and satisfaction with the intervention. In the animal study, WP effectively alleviated constipation symptoms and affected the secretion of intestinal mobility-related neurotransmitters and gastrointestinal hormones in loperamide-induced constipation mice. Additionally, WP regulated the gene and protein expression levels of water-electrolyte metabolism and intestinal mobility. Furthermore, WP treatment decreased the abundance of several gut microbiota positively correlated to constipation (Turicibacter, Bacteroides_f_Bacteroidaceae, and Streptococcus) in mice. CONCLUSION WP ameliorated constipation in humans and mice, which could be partly explained by improving water-electrolyte metabolism, boosting intestinal motility, and reshaping gut microbiota. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Qianqian Wang
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, 310058, China
| | - Fei Shen
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, 310058, China
| | - Junhui Zhang
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, 310058, China
| | - Haiying Cai
- School of Biological & Chemical Engineering, Zhejiang University of Science & Technology, Hangzhou, 310023, China
| | - Ya Pan
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, 310058, China
| | - Tengjia Sun
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, 310058, China
| | - Yihang Gong
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, 310058, China
| | - Juan Du
- Hangzhou Kangyuan Food Science & Technology Co., Ltd, Hangzhou, 310012, China
| | - Hao Zhong
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Fengqin Feng
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, 310058, China
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18
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Du K, Tian S, Chen H, Gao S, Dong X, Yan F. Application of enzymes in the preparation of wheat germ polypeptides and their biological activities. Front Nutr 2022; 9:943950. [PMID: 35923206 PMCID: PMC9341326 DOI: 10.3389/fnut.2022.943950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Accepted: 06/27/2022] [Indexed: 12/05/2022] Open
Abstract
Wheat germ, a byproduct of wheat industrial processing, contains 30% protein and is a comprehensive source of plant-based protein. But a large amount of wheat germs are disposed of as waste every year. Wheat germ protein can be hydrolyzed into polypeptides with antioxidant, antihypertensive, anti-tumor, bacteriostatic and other activities. At present, researches on the hydrolysis of wheat germ protein and the preparation of bioactive peptides from wheat germ protein have attracted increasing attentions. However, the traditional protein hydrolysis method, protease hydrolysis, can no longer meet the market's needs for efficient production. Various auxiliary means, such as ultrasound, microwave and membrane separation, were applied to boost the yield and biological activity of wheat germ peptides by enzymatic hydrolysis. Under ultrasound and microwave, the protein structure may expand to increase the binding sites between enzyme and substrate and promote hydrolysis efficiency. Membrane separation is applied to separate products from enzymatic hydrolysate to reduce the inhibitory effect of the product on the hydrolysis reaction. The paper reviewed the hydrolysis methods of wheat germ protein and summarized the biological activity of wheat germ peptides to provide references for further study of wheat germ peptides.
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Affiliation(s)
- Ke Du
- College of Food Science and Technology, Henan University of Technology, Zhengzhou, China
| | - Shuangqi Tian
- College of Food Science and Technology, Henan University of Technology, Zhengzhou, China
- *Correspondence: Shuangqi Tian
| | - Hu Chen
- Kemen Noodle Manufacturing Co., Ltd., Changsha, China
| | - Sensen Gao
- Kemen Noodle Manufacturing Co., Ltd., Changsha, China
| | | | - Feng Yan
- College of Food Science and Technology, Henan University of Technology, Zhengzhou, China
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19
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A Novel Fermented Rapeseed Meal, Inoculated with Selected Protease-Assisting Screened B. subtilis YY-4 and L. plantarum 6026, Showed High Availability and Strong Antioxidant and Immunomodulation Potential Capacity. Foods 2022; 11:foods11142118. [PMID: 35885361 PMCID: PMC9317248 DOI: 10.3390/foods11142118] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 07/11/2022] [Accepted: 07/13/2022] [Indexed: 02/05/2023] Open
Abstract
A study was conducted to investigate the yield of small peptides from rapeseed meal (RSM) by solid-state fermentation (SSF) with acid-protease-assisting B. subtilis YY-4 and L. plantarum CICC6026 (FRSMP). This study explored the availability, antioxidant capacity and immunomodulation activity. The objective of this study was to develop a novel functional food ingredient to contribute to health improvement. The results showed that the concentrations of soluble peptides and free amino acids significantly increased after fermentation (p < 0.001), and the concentration of small molecular peptides (molecular weight < 1 KDa) significantly increased (p < 0.001). The dense surface microstructure of the RSM after fermentation was changed to be loose and porous. The FRSMP exhibited high availability and high antioxidant activity, and it displayed high immunomodulation activity. The novel fermentation was effective for improving the nutritional and biological properties, which provided a feasible method of enhancing the added value.
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Zhang Y, Liu C, Ma X, Xu L, Wang X, Wang X, Cao J, Ma A, Gao T. Effect of Dietary Modification on Gastric Mucosa, Gastrointestinal Symptoms and Nutritional Status of Patients With Early Gastric Cancer After Endoscopic Submucosal Dissection Surgery: A Retrospective Cohort Study. Front Nutr 2022; 9:741630. [PMID: 35399675 PMCID: PMC8984610 DOI: 10.3389/fnut.2022.741630] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 02/14/2022] [Indexed: 12/15/2022] Open
Abstract
Food is an important factor affecting the treatment of patients with early gastric cancer (EGC). We have established a hospital cohort to guide dietary patterns and observe the health status of patients with EGC after endoscopic submucosal dissection (ESD) after dietary modification. A total of 273 patients with EGC who underwent ESD were recruited to the cohort. They were given dietary instruction and education through a dietary manual and were followed up for 12 months. If the dietary pattern changed to the “traditional food” pattern (high consumption of vegetables, wheat products, and red meat) after the nutritional guidance, subjects were defined as the improvement diet group. Dietary patterns focused on “alcohol and fish” (drink a lot of wine and beer and eating freshwater and marine fish) or “coarse cereals” (mainly whole grains, beans and poultry) were the main ones in the unimproved diet group. The nutritional status, gastric mucosa, and gastrointestinal symptoms of the two groups of patients before and after the dietary instruction were compared. Compared with the unimproved diet group, the endoscopic performance score and the symptom score in the improved diet group were decreased by an average of 1.31 and 1.90, respectively. Except for lymphocyte count (P = 0.227), total protein (P < 0.000), albumin (P = 0.003), globulin (P = 0.014), red blood cell count (P < 0.000), and hemoglobin (P < 0.000) values were improved to varying degrees. After changing the diet, the intake of wheat products and vegetables in the improved diet group increased by 15.58 and 17.52%, respectively, while the intake of alcohol, fish, and pickled products was reduced by 43.36, 36.43, and 31.41%, respectively. After 1 year of dietary adjustment, the nutritional status, gastric mucosa, and gastrointestinal symptoms of patients with EGC after ESD eating the "traditional food" diet were all improved.
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Affiliation(s)
- Yebing Zhang
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, China
| | - Chengxia Liu
- Binzhou Medical University Hospital, Binzhou, China
| | - Xingbin Ma
- Binzhou Medical University Hospital, Binzhou, China
| | - Lei Xu
- Huai’an Center for Disease Control and Prevention, Huai’an, China
| | - Xiuhua Wang
- Binzhou Medical University Hospital, Binzhou, China
| | - Xin Wang
- Binzhou Medical University Hospital, Binzhou, China
| | - Jingrun Cao
- Binzhou Medical University Hospital, Binzhou, China
| | - Aiguo Ma
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, China
- *Correspondence: Aiguo Ma,
| | - Tao Gao
- Binzhou Medical University Hospital, Binzhou, China
- Tao Gao,
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21
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Biano LS, Oliveira AS, Palmeira DN, Silva LA, de Albuquerque-Junior RLC, Duarte MC, Correa CB, Grespan R, Batista JS, Camargo EA. Gastroprotective action of the ethanol extract of Leonurus sibiricus L. (Lamiaceae) in mice. JOURNAL OF ETHNOPHARMACOLOGY 2022; 284:114792. [PMID: 34737011 DOI: 10.1016/j.jep.2021.114792] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 10/14/2021] [Accepted: 10/27/2021] [Indexed: 06/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Leonurus sibiricus L. (Lamiaceae) is a medicinal plant known in Brazil as "rubim" or "erva de macaé". It is used for various purposes, including stomach disorders. AIM OF THE STUDY To evaluate the effect of the ethanol extract of the aerial parts of L. sibiricus (EELs) in models of gastric damage in mice. MATERIAL AND METHODS The effect of EELs (50, 100 and 300 mg/kg, p.o., 1 h before induction) was tested on acidified ethanol (ACEt)-induced gastric ulcers. Additionally, we tested the effect of EELs (by intraduodenal administration) in the pylorus ligation (PL) model. RESULTS Pretreatment with EELs, at 300 mg/kg, but not 50 and 100 mg/kg, reduced the relative area of gastric ulcers induced by ACEt (p < 0.01) and lipoperoxidation (p < 0.001), and increased the sulfhydryl content (p < 0.01) in the stomach in comparison with the vehicle group. Pretreatment with N-ethylmaleimide (a blocker of non-protein sulfhydryl groups, 10 mg/kg, i.p.) or glibenclamide (a KATP channel blocker, 10 mg/kg, i.p.) inhibited the gastroprotective response caused by EELs (300 mg/kg; p < 0.001), but there were no alterations due to pretreatments with inhibitors of the synthesis of prostaglandins (indomethacin, 10 mg/kg), nitric oxide (L-NAME, 70 mg/kg) or hydrogen sulfide (DL-propargylglycine, 10 mg/kg). Treatment with EELs (300 mg/kg) reduced mucus production (p < 0.001) and the volume of gastric secretion (p < 0.001) after PL without affecting gastric acidity or pH. CONCLUSIONS These results provide evidence that EELs exerts gastroprotective action in mice, with the participation of oxidative stress and mediation of NP-SH, KATP channels and mucus production.
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Affiliation(s)
- Laiza S Biano
- Graduation Program in Health Sciences, Federal University of Sergipe, Aracaju, SE, Brazil
| | - Alan S Oliveira
- Graduation Program in Health Sciences, Federal University of Sergipe, Aracaju, SE, Brazil
| | - David N Palmeira
- Department of Physiology, Federal University of Sergipe, São Cristóvão, SE, Brazil
| | - Luis André Silva
- Graduation Program in Physiological Sciences, Federal University of Sergipe, São Cristóvão, SE, Brazil
| | | | - Marcelo C Duarte
- Department of Pharmacy, Federal University of Sergipe, São Cristóvão, SE, Brazil
| | - Cristiane B Correa
- Graduation Program in Health Sciences, Federal University of Sergipe, Aracaju, SE, Brazil; Graduation Program in Physiological Sciences, Federal University of Sergipe, São Cristóvão, SE, Brazil; Department of Morphology, Federal University of Sergipe, São Cristóvão, SE, Brazil
| | - Renata Grespan
- Department of Physiology, Federal University of Sergipe, São Cristóvão, SE, Brazil; Graduation Program in Physiological Sciences, Federal University of Sergipe, São Cristóvão, SE, Brazil
| | - Josemar S Batista
- Department of Physiology, Federal University of Sergipe, São Cristóvão, SE, Brazil
| | - Enilton A Camargo
- Graduation Program in Health Sciences, Federal University of Sergipe, Aracaju, SE, Brazil; Department of Physiology, Federal University of Sergipe, São Cristóvão, SE, Brazil; Graduation Program in Physiological Sciences, Federal University of Sergipe, São Cristóvão, SE, Brazil.
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22
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Lu SY, Guo S, Chai SB, Yang JQ, Yue Y, Li H, Yan HF, Zhang T, Sun PM, Sun HW, Zhou JL, Yang JW, Li ZP, Cui Y. Proteomic analysis of the effects of simulated microgravity in human gastric mucosal cells. LIFE SCIENCES IN SPACE RESEARCH 2022; 32:26-37. [PMID: 35065758 DOI: 10.1016/j.lssr.2021.10.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 09/30/2021] [Accepted: 10/06/2021] [Indexed: 06/14/2023]
Abstract
Microgravity is an ecological factor that affects the environment of the body. In this study, quantitative isobaric labeling (tandem mass tag) method was used to study the changes in human gastric mucosal cells under simulated microgravity for the first time. Comparative proteomic analysis identified 394 (202 upregulated and 192 downregulated) and 542 (286 upregulated and 256 downregulated) proteins differentially regulated by simulated microgravity after 3 and 7 days, respectively. Then the identified proteins were subjected to Gene Ontology and Kyoto Encyclopedia of Genes and Genomes analyses for further exploration. The results of the analysis showed that the ribosomes of gastric mucosal cells were significantly impacted after exposure to simulated microgravity for 3 days, and the cells appeared to be in a state of stress and inflammation. Exposure to simulated microgravity for 7 days significantly affected the mitochondria of the cells, oxidative stress became more evident, while inflammation and weakened connections were observed in the cells. The results of this study highlighted the temporal response trend of gastric mucosal cells to the stressor of microgravity at the two time points of 3 and 7 days. These findings will provide insights into the development of methods to protect the gastric mucosa during space flight.
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Affiliation(s)
- Sheng-Yu Lu
- Department of General Surgery, The 306th Hospital of PLA-Peking University Teaching Hospital, Beijing 100101, China; Department of General Surgery, Strategic Support Force Medical Center, Beijing 100101, China
| | - Song Guo
- Department of General Surgery, The 306th Hospital of PLA-Peking University Teaching Hospital, Beijing 100101, China; Department of General Surgery, Strategic Support Force Medical Center, Beijing 100101, China
| | - Shao-Bin Chai
- Department of General Surgery, Strategic Support Force Medical Center, Beijing 100101, China
| | - Jia-Qi Yang
- Department of General Surgery, The 306th Hospital of PLA-Peking University Teaching Hospital, Beijing 100101, China; Department of General Surgery, Strategic Support Force Medical Center, Beijing 100101, China
| | - Yuan Yue
- Department of General Surgery, The 306th Hospital of PLA-Peking University Teaching Hospital, Beijing 100101, China; Department of General Surgery, Strategic Support Force Medical Center, Beijing 100101, China
| | - Hao Li
- Department of General Surgery, Strategic Support Force Medical Center, Beijing 100101, China
| | - Hong-Feng Yan
- Department of General Surgery, Strategic Support Force Medical Center, Beijing 100101, China
| | - Tao Zhang
- Department of General Surgery, Strategic Support Force Medical Center, Beijing 100101, China
| | - Pei-Ming Sun
- Department of General Surgery, Strategic Support Force Medical Center, Beijing 100101, China
| | - Hong-Wei Sun
- Department of General Surgery, Strategic Support Force Medical Center, Beijing 100101, China
| | - Jin-Lian Zhou
- Department of Pathology, Strategic Support Force Medical Center, Beijing 100101, China
| | - Jian-Wu Yang
- Department of General Surgery, Strategic Support Force Medical Center, Beijing 100101, China
| | - Zheng-Peng Li
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China.
| | - Yan Cui
- Department of General Surgery, The 306th Hospital of PLA-Peking University Teaching Hospital, Beijing 100101, China; Department of General Surgery, Strategic Support Force Medical Center, Beijing 100101, China.
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Zhang J, Ning J, Hao X, Han X, Fu W, Gong Y, Meng Q, Ding S, Zhang J. Glucagon-like peptide-2 protects the gastric mucosa via regulating blood flow and metabolites. Front Endocrinol (Lausanne) 2022; 13:1036559. [PMID: 36589839 PMCID: PMC9801410 DOI: 10.3389/fendo.2022.1036559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Accepted: 11/08/2022] [Indexed: 12/23/2022] Open
Abstract
INTRODUCTION Refractory peptic ulcers lead to perforation and hemorrhage, which are fatal. However, these remain a therapeutic challenge. Gastric mucosal blood flow is crucial in maintaining gastric mucosal health. It's reported that Glucagon-like peptide-2 (GLP-2), a gastrointestinal hormone, stimulated intestinal blood flow. However, the direct role of GLP-2 in gastric mucosal blood flow and metabolites remain unclear. Here, we speculated that GLP-2 might protect the gastric mucosa by increasing gastric mucosal blood flow and regulating metabolites. This study was conducted to evaluate the role of GLP-2 in gastric mucosal lesions and its underlying mechanism. METHODS We analyzed endogenous GLP-2 during gastric mucosal injury in the serum. Rats were randomly divided into two groups, with 36 rats in each group as follows: (1) normal control group (NC1); (2) ethanol model group (EC1); rats in EC1 and NC1 groups were intragastrically administered ethanol (1 ml/200 g body weight) and distilled water (1 ml/200 g body weight). The serum was collected 10 min before intragastric administration and 15, 30, 60, 90, and 120 min after intragastric administration. Furthermore, additional male Sprague-Dawley rats were randomly divided into three groups, with six rats in each group as follows: (1) normal control group (NC); (2) ethanol model group (EC); (3) 10 μg/200 g body weight GLP-2 group (GLP-2). Rats in the NC and EC groups were intraperitoneally injected with saline. Those in the GLP-2 group were intraperitoneally injected with GLP-2. Thirty minutes later, rats in the EC and GLP-2 groups were intragastrically administered ethanol (1 ml/200 g body weight), and rats in the NC group were intragastrically administered distilled water (1 ml/200 g body weight). After the intragastric administration of ethanol for 1 h, the animals were anesthetized and gastric mucosal blood flow was measured. Serum were collected for ultra performance liquid chromatography/tandem mass spectrometry (UPLC-MS/MS) metabolomics. RESULTS There were no significant change in endogenous GLP-2 during gastric mucosal injury (P<0.05). Pretreatment with GLP-2 significantly reduced ethanol-induced gastric mucosal lesions by improving the gastric mucosal blood flow, as examined using a laser Doppler flow meter, Guth Scale, hematoxylin-eosin staining, and two-photon microscopy. UPLC-MS/MS analyses showed that GLP-2 also maintained a steady state of linoleic acid metabolism. CONCLUSIONS Taken together, GLP-2 protects the gastric mucosa against ethanol-induced lesions by improving gastric mucosa blood flow and affecting linoleic acid metabolism.
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Gao J, Liu Y, Chen J, Tong C, Wang Q, Piao Y. Curcumin treatment attenuates cisplatin-induced gastric mucosal inflammation and apoptosis through the NF- κ B and MAPKs signaling pathway. Hum Exp Toxicol 2022; 41:9603271221128738. [DOI: 10.1177/09603271221128738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
To investigate the protective effects of curcumin (Cur) on gastric mucosal injury induced by cisplatin (DDP), and explore possible molecular mechanisms. A mouse of gastric mucosal injury was established by intraperitoneal injection of DDP (27 mg/kg). Thirty mice were randomly divided into control group, DDP group and DDP + Cur group. Serum and gastric mucosal samples were collected on the 7th day after Cur treatment. The index of gastric mucosa injury was calculated, and the expression levels of inflammation, apoptosis and signaling pathway proteins were evaluated using hematoxylin and eosin staining, ELISA and western blotting analysis. These data showed that Cur treatment significantly attenuated DDP-induced decrease in body weight, food intake, fat and muscle ratios, and improved the gross gastric injury, scores of ulcer index, and histopathology changes triggered by DDP ( p < .05). Meanwhile, Cur significantly decreased serum IL-23 and IL-17 proteins, reduced the expression levels of gastric mucosal IL-1β, TNF- α and MPO, and restored the level of IL-10 protein ( p < .05). Moreover, Cur treatment significantly inhibited the expression levels of Caspase-3, PARP and Bax, and increased the expression of Bcl-2 protein. Furthermore, Cur treatment significantly decreased the expression levels of IL-1R, MyD88 and TAK1, and also repressed the activation of NF-κB and nuclear translocation of NF-κB p65. And more importantly, Cur treatment significantly inhibited DDP-induced gastric mucosal JNK1/2, ASK1, P38 and JUN phosphorylation, and promoted the phosphorylation of ERK1/2 and C-Myc proteins. Our data suggest that Cur treatment alleviates DDP-induced gastric mucosal inflammation and apoptosis, which may be mediated through the NF- κ B and MAPKs signaling pathway.
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Affiliation(s)
- Jinping Gao
- Department of Oncology, General Hospital of Northern Theater Command, China
| | - Yunen Liu
- The Veterans General Hospital of Liaoning Province, The Second Affiliated Hospital of Shenyang Medical College, China
| | - Juan Chen
- Department of Oncology, General Hospital of Northern Theater Command, China
| | - Changci Tong
- The Veterans General Hospital of Liaoning Province, The Second Affiliated Hospital of Shenyang Medical College, China
| | - Qian Wang
- Department of Oncology, Shengjing Hospital of China Medical University, China
| | - Ying Piao
- Department of Oncology, General Hospital of Northern Theater Command, China
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Metabolomic Study of Zuojin Pill in Relieving 1-Methyl-3-nitro-1-nitrosoguanidine-Induced Chronic Atrophic Gastritis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:7004798. [PMID: 34956382 PMCID: PMC8709764 DOI: 10.1155/2021/7004798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 11/27/2021] [Indexed: 11/29/2022]
Abstract
The classic prescription Zuojin Pill (ZJP) shows a good therapeutic effect on chronic atrophic gastritis (CAG); it is of great significance to clarify its specific mechanism. Therefore, we explore the mechanism of ZJP on MNNG-induced CAG by integrating approaches. First of all, through the pathological changes of gastric tissue and the expression level of PGI and PGI/II in serum, the expression of inflammation-related factors was determined by RT-PCR to determine the efficacy. Then, UPLC-Q-TOF/MS was used for plasma and urine metabolomic analysis to screen the specific potential biomarkers and metabolic pathway of ZJP in ameliorating CAG and to explore its possible mechanism. ZJP significantly ameliorate the pathological injury of gastric tissue, increase levels of PGI and PGI/II, and reduce the expression level of proinflammatory factors. Through metabolomic analysis, 9 potential metabolic differences were identified and 6 related metabolic pathways were enriched. These findings indicate for the first time the potential mechanism of ZJP in improving CAG induced by MNNG and are of great significance to the clinical development and application of ZJP-related drugs.
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26
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Li M, Lv R, Xu X, Ge Q, Lin S. Tricholoma matsutake-Derived Peptides Show Gastroprotective Effects against Ethanol-Induced Acute Gastric Injury. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:14985-14994. [PMID: 34866395 DOI: 10.1021/acs.jafc.1c07050] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Acute gastric injury caused by ethanol is a frequent disorder of the gastrointestinal tract. In this study, we investigated the potential gastroprotective effects of Tricholoma matsutake-derived peptides against ethanol-triggered acute gastric injury and the associated mechanisms. Peptides SDLKHFPF and SDIKHFPF significantly attenuated the ethanol-induced decrease in GES-1 cell survival (82.39 ± 1.93 and 80.10 ± 1.08% vs 56.58 ± 1.86%), inhibited GES-1 cell apoptosis, and alleviated the ethanol-induced gastric mucosal injury (64.76 ± 3.98 and 49.29 ± 3.25%), ulcer index (3.33 ± 0.47 and 4.67 ± 0.47 vs 6.67 ± 0.47), and histopathological changes in mice. Peptide treatment inhibited the phosphorylation and nuclear translocation of nuclear factor kappa B (NF-κB), the secretion of tumor necrosis factor-α, interleukin-6, and endothelin-1. In addition, T. matsutake peptide pretreatment increased growth factor secretion, upregulated B-cell lymphoma-2, downregulated Bcl-2-associated X (Bax), and cleaved cysteinyl aspartate specific proteinase 3, thereby promoting gastric cell survival. These findings strongly suggest that T. matsutake peptides attenuate ethanol-induced inflammatory responses and apoptosis by suppressing NF-κB signaling activation, thereby enhancing gastric epithelial barrier functions.
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Affiliation(s)
- Mengqi Li
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, P. R. China
| | - Renzhi Lv
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, P. R. China
| | - Xiaomeng Xu
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, P. R. China
| | - Qi Ge
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, P. R. China
| | - Songyi Lin
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, P. R. China
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27
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Sun Y, Ma N, Yi J, Zhou L, Cai S. Gastroprotective effect and mechanisms of Chinese sumac fruits ( Rhus chinensis Mill.) on ethanol-induced gastric ulcers in mice. Food Funct 2021; 12:12565-12579. [PMID: 34813638 DOI: 10.1039/d1fo02864b] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This paper aimed to study the effect of the phenol-rich fraction from Chinese sumac fruits on ethanol-induced gastric ulcers in mice and to further elucidate the potential mechanisms. The results showed that the phenol-rich fraction of the fruits significantly decreased the ulcer index, restored the levels of prostaglandin E-2, heat shock protein 70, glutathione and superoxide dismutase, and reduced the malondialdehyde content. Further analyses revealed that the fraction significantly alleviated the gastric oxidative stress by upregulating the Nrf2 protein pathway to increase the HO-1 and NQO1 expression levels, suppressed the inflammation by reducing the expression levels of p-NF-κB and p-IκBα and inhibited the secretion of tumor necrosis factor-α, interleukin-1β, and interleukin-6. In addition, the fraction remarkably prevented gastric mucous cell apoptosis by upregulating Bcl-2 and downregulating Bax and cleaved caspase3. This experiment clarified for the first time that the phenol-rich fraction from Chinese sumac fruits can prevent ethanol-induced gastric ulcers in mice by inhibiting the oxidative stress, inflammatory response and cell apoptosis. The results obtained from the current work indicated that the phenol-rich fraction from Chinese sumac fruits could be applied as a kind of natural resource for producing new functional foods to prevent and/or improve gastric ulcers induced by ethanol.
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Affiliation(s)
- Yilin Sun
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan Province, 650500, People's Republic of China.
| | - Nan Ma
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan Province, 650500, People's Republic of China.
| | - Junjie Yi
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan Province, 650500, People's Republic of China.
| | - Linyan Zhou
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan Province, 650500, People's Republic of China.
| | - Shengbao Cai
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan Province, 650500, People's Republic of China.
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Xia YS, Sun YS, Liu C, Li ZM, Ren DD, Mu R, Zhang YT, Bo PP, Zhao LJ, Wang Z. Effect of Aqueous Enzymatic Extraction of Deer Oil on Its Components and Its Protective Effect on Gastric Mucosa Injury. Front Nutr 2021; 8:769463. [PMID: 34869537 PMCID: PMC8635026 DOI: 10.3389/fnut.2021.769463] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 10/26/2021] [Indexed: 01/16/2023] Open
Abstract
In this study, deer suet fat was used as a raw material to study the effects of aqueous enzymatic extraction of deer oil on its components, followed by studies into the potential protective activity, and related molecular mechanisms of deer oil on ethanol-induced acute gastric mucosal injury in rats. The results show that aqueous enzymatic extraction of deer oil not only has a high extraction yield and has a small effect on the content of active ingredients. Deer oil can reduce total stomach injury. Without affecting the blood lipid level, it can reduce the oxidative stress, which is manifested by reducing the content of myeloperoxidase (MPO) and enhancing the activity level of superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px). It also enhances the expression of defense factors prostaglandin (E2), epidermal growth factor (EGF), and somatostatin (SS), it inhibits apoptosis evidenced by the enhanced of Bcl-2 and decreased expression of cleavage of caspase-3 and Bax. At the same time, it reduces inflammation, which is manifested by reducing the expression of IL-1β, interleukin 6 (IL-6), and tumor necrosis factor alpha (TNF-α) gastric tissue pro-inflammatory cytokines, and enhancing the expression of anti-inflammatory factors IL-4 and IL-10, and inhibiting the mitogen-activated protein kinase/nuclear factor kappa B (MAPK/NF-κB) signaling pathway in gastric tissue.
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Affiliation(s)
- Yun-Shi Xia
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun, China.,Institute of Special Wild Economic Animals and Plants, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Yin-Shi Sun
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun, China.,Institute of Special Wild Economic Animals and Plants, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Chang Liu
- College of Food Science and Engineering, Changchun University, Changchun, China
| | - Zhi-Man Li
- Institute of Special Wild Economic Animals and Plants, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Duo-Duo Ren
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun, China.,Institute of Special Wild Economic Animals and Plants, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Rui Mu
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun, China.,Institute of Special Wild Economic Animals and Plants, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Yan-Ting Zhang
- Institute of Special Wild Economic Animals and Plants, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Pan-Pan Bo
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun, China.,Institute of Special Wild Economic Animals and Plants, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Li-Juan Zhao
- Institute of Special Wild Economic Animals and Plants, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Zi Wang
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun, China
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29
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Qu HJ, Lin KW, Li XL, Ou HY, Tan YF, Wang M, Wei N. Chemical Constituents and Anti-Gastric Ulcer Activity of Essential Oils of Alpinia officinarum (Zingiberaceae), Cyperus rotundus (Cyperaceae), and Their Herbal Pair. Chem Biodivers 2021; 18:e2100214. [PMID: 34402190 DOI: 10.1002/cbdv.202100214] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Accepted: 08/16/2021] [Indexed: 12/11/2022]
Abstract
The essential oil (EO) of the herbal pair (HP), Alpinia officinarum-Cyperus rotundus (HP G-X) has been conventionally used in traditional Chinese medicine (TCM) for 'warming the stomach' and relieving pain. However, its pharmacologically active compounds, as well as the mechanism of its anti-gastric ulcer properties remain unclear. In this study, the EOs obtained from HP G-X and its corresponding single herbs were analyzed using GC/MS. A total of 74, 56, and 85 compounds were detected in A. officinarum (GLJ), C. rotundus (XF), and HP G-X, accounting for 93.2 %, 89.5 %, and 92.0 % of the total content, respectively. GLJ mainly contains 1,8-cineol (22.0 %) and α-terpineol (11.8 %), whereas cyperenone (22.4 %) and cyperene (12.3 %) were the major constituents in XF. These four compounds were also detected in the HP G-X with relatively high composition as 11.8 %, 5.5 %, 11.8 %, and 10.6 %, respectively. Although no new compounds were detected in HP G-X, the relative concentration of some compounds increased, while others decreased or even disappeared. HP G-X showed the lowest toxicity (TC50 >800 μg/mL) against human gastric mucosal epithelial cells (GES-1) and had the best protective effect against ethanol-induced GES-1 cell damage compared to the individual herbs. In vitro studies demonstrated that HP G-X and the corresponding single herbs significantly reduced IL-6, TNF-α, and COX-2. In addition, in vivo investigations indicated that HP G-X can protect the gastric mucosa of mice from ethanol-induced damage by inhibiting the inflammatory reaction and providing analgesia. It can also inhibit the expression of NF-κBp65, COX-2, and TRPV1 protein, reduce the concentrations of IL-6 and TNF-α, and relieve heat-induced pain. This study further substantiated the traditional application of HP G-X against gastric ulcers through both in vivo and in vitro investigations.
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Affiliation(s)
- Hui-Juan Qu
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory for Research and Development of Tropical Herbs, School of Pharmacy, Hainan Medical University, Haikou, 571199, P. R. China
| | - Kai-Wen Lin
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory for Research and Development of Tropical Herbs, School of Pharmacy, Hainan Medical University, Haikou, 571199, P. R. China
| | - Xiao-Liang Li
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory for Research and Development of Tropical Herbs, School of Pharmacy, Hainan Medical University, Haikou, 571199, P. R. China
| | - Hong-Ya Ou
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory for Research and Development of Tropical Herbs, School of Pharmacy, Hainan Medical University, Haikou, 571199, P. R. China
| | - Yin-Feng Tan
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory for Research and Development of Tropical Herbs, School of Pharmacy, Hainan Medical University, Haikou, 571199, P. R. China
| | - Mei Wang
- Natural Products Utilization Research Unit, Agricultural Research Service, United States Department of Agriculture, University, Oxford, MS 38677, USA
| | - Na Wei
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory for Research and Development of Tropical Herbs, School of Pharmacy, Hainan Medical University, Haikou, 571199, P. R. China
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Protective Effects of Anwulignan against HCl/Ethanol-Induced Acute Gastric Ulcer in Mice. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:9998982. [PMID: 34335857 PMCID: PMC8298145 DOI: 10.1155/2021/9998982] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 06/30/2021] [Indexed: 02/06/2023]
Abstract
Gastric ulcer is one of the most common gastrointestinal diseases. Anwulignan (AN) is a major active component of Schisandra sphenanthera Rehd. This study was designed to evaluate the protective effect of AN against the acute gastric ulcer induced by HCl/ethanol in mice. The mice were given HCl/ethanol by gavage to establish an acute gastric ulcer model. Then, the serum and gastric tissue samples were taken for biochemical analyses. The results showed that the pretreatment with AN could significantly reduce the gastric ulcer index (GUI) and increase the ulcer inhibition rate, indicating that AN can protect against gastric ulcers. AN showed its antioxidant roles by decreasing the content of reactive oxygen species (ROS), malondialdehyde (MDA), and 8-hydroxydeoxyguanosine (8-OHdG) and increasing the activity of superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GSH-Px) and anti-inflammatory roles by decreasing the content of tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), interleukin-1β (IL-1β), and myeloperoxidase (MPO) and increasing the content of interleukin-2 (IL-2), interleukin-4 (IL-4), interleukin-10 (IL-10), prostaglandin E2 (PGE2), and nitric oxide (NO) in both serum and gastric tissue. Furthermore, AN also activated the NRF2/ARE signaling pathway and inhibited the MAPK/NF-κB signaling pathway. AN improves the acute gastric ulcer induced by HCl/ethanol in mice, which may be mainly through its antioxidant capacity and anti-inflammatory effect.
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Hu J, Liu R, Yu X, Li Z, Liu X, Hao Y, Zhu N, Kang J, Li Y. Protective Effects of Small-Molecule Oligopeptides Isolated from Tilapia Fish Scale on Ethanol-Induced Gastroduodenal Injury in Rats. Nutrients 2021; 13:nu13062078. [PMID: 34204516 PMCID: PMC8234601 DOI: 10.3390/nu13062078] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Revised: 06/12/2021] [Accepted: 06/14/2021] [Indexed: 12/29/2022] Open
Abstract
Peptic ulcer has a serious impact on people’s health around the world, and traditional medicines can cause adverse reactions. This study investigated the protective effects of tilapia collagen oligopeptides (TCOPs) on gastroduodenal injury. Seventy-two specific pathogen-free (SPF) male Sprague Dawley (SD) rats were randomly divided into six groups according to body weight: normal control group, ethanol group, whey protein group (500 mg/kg BW), and three TCOPs dose groups (250, 500, 1000 mg/kg BW). After intragastric administration for 30 days, the acute gastroduodenal injury was induced by anhydrous ethanol (5 mL/kg, intragastrically) in all groups except the normal control group. Biomarkers in gastric and duodenal tissue and serum were measured. Furthermore, western blot was used to detect the expression of apoptosis-related proteins. The results showed that the administration with TCOPs significantly reduced gastric and duodenal ulcer index, increased gastric juice pH, superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GSH-Px) activities, along with the reduction of malondialdehyde (MDA) contents. TCOPs decreased tumor Necrosis Factor-α (TNF-α), interleukin-1β (IL-1β), and myeloperoxidase (MPO) levels, while interleukin– 10 (IL-10) levels were increased. Furthermore, pepsinogens 1 (PG1), pepsinogens 2 (PG2), gastrin (GAS), and the pepsinogen ratio (PGR) were decreased, the prostaglandin E2 (PGE2) and NO contents were increased after TCOPs intervention. Moreover, TCOPs up-regulated the expression of Bcl-2 and inhibited the expression of Bax and Caspase-3. In conclusion, TCOPs have protective effects on ethanol-induced gastroduodenal injury through gastrointestinal mucosal microcirculation promotion, antioxidation, anti-inflammation, and anti-apoptosis mechanisms.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Yong Li
- Correspondence: ; Tel.: +86-10-8280-1177
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Autophagy in Gastric Mucosa: The Dual Role and Potential Therapeutic Target. BIOMED RESEARCH INTERNATIONAL 2021; 2021:2648065. [PMID: 34195260 PMCID: PMC8214476 DOI: 10.1155/2021/2648065] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 06/01/2021] [Indexed: 12/22/2022]
Abstract
The incidence of stomach diseases is very high, which has a significant impact on human health. Damaged gastric mucosa is more vulnerable to injury, leading to bleeding and perforation, which eventually aggravates the primary disease. Therefore, the protection of gastric mucosa is crucial. However, existing drugs that protect gastric mucosa can cause nonnegligible side effects, such as hepatic inflammation, nephritis, hypoacidity, impotence, osteoporotic bone fracture, and hypergastrinemia. Autophagy, as a major intracellular lysosome-dependent degradation process, plays a key role in maintaining intracellular homeostasis and resisting environmental pressure, which may be a potential therapeutic target for protecting gastric mucosa. Recent studies have demonstrated that autophagy played a dual role when gastric mucosa exposed to biological and chemical factors. More indepth studies are needed on the protective effect of autophagy in gastric mucosa. In this review, we focus on the mechanisms and the dual role of various biological and chemical factors regulating autophagy, such as Helicobacter pylori, virus, and nonsteroidal anti-inflammatory drugs. And we summarize the pathophysiological properties and pharmacological strategies for the protection of gastric mucosa through autophagy.
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Impact of food-derived bioactive peptides on gut function and health. Food Res Int 2021; 147:110485. [PMID: 34399481 DOI: 10.1016/j.foodres.2021.110485] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 05/10/2021] [Accepted: 05/23/2021] [Indexed: 12/14/2022]
Abstract
The gastrointestinal tract (GIT) is the largest interface between our body and the environment. It is an organ system extending from the mouth to the anus and functions for food intake, digestion, transport and absorption of nutrients, meanwhile providing protection from environmental factors, like toxins, antigens, and pathogens. Diet is one of the leading factors modulating the function of the GIT. Bioactive peptides presenting naturally in food or derived from food proteins during digestion or processing have been revealed multifunctional in diverse biological processes, including maintaining gut health and function. This review summarizes the available evidence regarding the effects of food-derived bioactive peptides on gut function and health. Findings and insights from studies based on in vitro and animal models are discussed. The gastrointestinal mucosa maintains a delicate balance between immune tolerance to nutrients and harmful components, which is crucial for the digestive system's normal functions. Dietary bioactive peptides positively impact gastrointestinal homeostasis by modulating the barrier function, immune responses, and gut microbiota. However, there is limited clinical evidence on the safety and efficacy of bioactive peptides, much less on the applications of dietary peptides for the treatment or prevention of diseases related to the GIT. Further study is warranted to establish the applications of bioactive peptides in regulating gut health and function.
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