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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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Topaloglu D, Turkyilmaz IB, Yanardag R. Gastroprotective effect of vitamin U in D-galactosamine-induced hepatotoxicity. J Biochem Mol Toxicol 2022; 36:e23124. [PMID: 35670011 DOI: 10.1002/jbt.23124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 04/12/2022] [Accepted: 05/29/2022] [Indexed: 11/09/2022]
Abstract
Galactosamine (GalN) is a well-known agent for inducing viral hepatitis models in rodents, but it can cause toxicity on different organs. Vitamin U (Vit U) has been proved as a powerful antioxidant on many toxicity models. The present study was designed to investigate the protective effects of Vit U on GalN-induced stomach injury. Rats were divided into four groups as follows: control (group I), Vit U given animals (50 mg/kg per day; group II), GalN administered animals (500 mg/kg at a single dose; group III), GalN + Vit U given animals (at the same dose and time, group IV). At the end of the 3rd day, animals were killed, and stomach tissues were taken. They were homogenized and centrifuged. In comparison to the control group, glutathione, total antioxidant capacity levels, catalase, superoxide dismutase, glutathione peroxidase, glutathione reductase, glutathione-S-transferase, and Na+ /K+ -ATPase activities of GalN group were found to be decreased. On the contrary, lipid peroxidation, advanced oxidized protein products, hexose-hexosamine, fucose, sialic acid, reactive oxygen species levels, as well as the activities of myeloperoxidase, xanthine oxidase, and lactate dehydrogenase were elevated. Administration of Vit U reversed these abnormalities in the GalN group. It can be concluded that Vit U exerts its unique antioxidant effect and prevents GalN-induced gastric damage.
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Affiliation(s)
| | - Ismet Burcu Turkyilmaz
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpaşa, Avcilar, Istanbul, Turkey
| | - Refiye Yanardag
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpaşa, Avcilar, Istanbul, Turkey
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The Gastroprotective Effect of Naringenin against Ethanol-Induced Gastric Ulcers in Mice through Inhibiting Oxidative and Inflammatory Responses. Int J Mol Sci 2021; 22:ijms222111985. [PMID: 34769415 PMCID: PMC8584376 DOI: 10.3390/ijms222111985] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 10/29/2021] [Accepted: 11/03/2021] [Indexed: 01/28/2023] Open
Abstract
Naringenin is a major flavanone found in grapes, tangelos, blood oranges, lemons, pummelo, and tangerines. It is known to have anti-inflammatory, antioxidant, anticancer, antimutagenic, antifibrogenic, and antiatherogenic pharmacological properties. This study aims to investigate the anti-inflammatory effects of naringenin in ethanol-induced gastric damage in vivo and ethanol-stimulated KATO III cells in vitro. Our results showed that pretreatment with naringenin significantly protected mice from ethanol-induced hemorrhagic damage, epithelial cell loss, and edema with leucocytes. It reduced gastric ulcers (GU) by suppressing ethanol-induced nuclear factor-κB (NF-κB) activity and decreasing the levels of nitric oxide (NO), malondialdehyde (MDA), tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), interleukin-8 (IL-8), and myeloperoxidase (MPO). In addition, pretreatment with naringenin might inhibit the secretion of TNF-α, IL-6, and IL-8, as well as the proteins cyclooxygenase-2 (COX-2) and inducible nitric oxide synthase (iNOS) via the suppression of NF-κB and mitogen-activated protein kinase (MAPK) signaling in ethanol-stimulated stomach epithelial KATO III cells. Together, the results of this study highlight the gastroprotective effect of naringenin in GU of mice by inhibiting gastric secretion and acidity, reducing inflammation and oxidative stress, suppressing NF-κB activity, and restoring the histological architecture. These findings suggested that naringenin has therapeutic potential in the alleviation of ethanol-induced GU.
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Xu N, Zhang C, Jing L, Mou S, Cao X, Yu Z. Protective effect and mechanism of rebamipide on NSAIDs associated small bowel injury. Int Immunopharmacol 2021; 90:107136. [PMID: 33218942 DOI: 10.1016/j.intimp.2020.107136] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 10/16/2020] [Accepted: 10/26/2020] [Indexed: 12/12/2022]
Abstract
PURPOSE To investigate the protective effect and mechanism of rebamipide on NSAIDs associated intestinal injury. METHODS Intestinal injury was induced in Sprague Dawley rats by intragastric administration of diclofenac with rebamipide intervention, and LPS and TAK-242 were given intraperitoneally respectively. The expression of TLR4/NF-κB and the related proteins in the intestinal mucosa were detected. 55 patients taking NSAIDs and diagnosed as NSAIDs associated small intestinal injury were recruited as NSAIDs group. Another 55 patients without NSAIDs and no obvious abnormality in the small bowel served as the control group. RESULTS The macroscopic and histological scores of the small intestinal mucosa in the rebamipide pretreatment group were significantly lower compared to the diclofenac group (p < 0.01). The expressions of Tollip, ZO-1 and Claudin-1 in the diclofenac group were down-regulated compared with that in the control group, while they increased significantly in the rebamipide pretreatment group (p < 0.01). The expressions of TLR4/NF-κBp65, IL-1β, IL-6, IL-8, and TNF-α significantly increased in the model group while they were down-regulated in the rebamipide pretreatment group (p < 0.05). Administration of LPS 1 h after diclofenac aggravated small intestinal damage, and increased expression of IL-1β, IL-6, IL-8 and TNF-α. Administration of rebamipide did not effectively reverse intestinal injury induced by diclofenac and LPS. In contrast, pretreatment with TAK-242 significantly inhibited damage and prevented the increased expression of the cytokines. The expression of TLR4 and NF-κBp65 in the patients with NSAIDs associated intestinal injury was significantly higher than that in the control group (p < 0.01), while the expression of Tollip was decreased (p < 0.01). CONCLUSION Rebamipide effectively alleviated intestinal mucosa injury by probably suppressing the TLR4/NF-κB signaling pathway and the decreasing of ZO-1 and Claudin-1 induced by diclofenac.
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Affiliation(s)
- Ning Xu
- Department of Gastroenterology, Yantai Affiliated Hospital of Binzhou Medical University, 264100, PR China
| | - Cuiping Zhang
- Department of Pathology, Yantai Affiliated Hospital of Binzhou Medical University, 264100, PR China
| | - Lili Jing
- Department of Pathology, Yantai Affiliated Hospital of Binzhou Medical University, 264100, PR China
| | - Shaojiao Mou
- Department of Gastroenterology, Yantai Affiliated Hospital of Binzhou Medical University, 264100, PR China
| | - Xiaoling Cao
- Department of Gastroenterology, Yantai Affiliated Hospital of Binzhou Medical University, 264100, PR China
| | - Zhenhai Yu
- Department of Human Anatomy, College of Basic Medical Sciences, Binzhou Medical University, 264100, PR China.
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Cruz-Anton L, Elena S&aa M, Lóp Y, Isaac Roch H, Robles-S&a A, Arrieta J. Pharmacokinetics Effect of Diclofenac or Ketorolac-methyl Eugenol and Their Implication in the Gastroprotection. INT J PHARMACOL 2020. [DOI: 10.3923/ijp.2020.375.381] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Zhang Z, Xue H, Dong Y, Hu J, Jiang T, Shi L, Du J. Inhibition of GKN2 Attenuates Acute Gastric Lesions Through the NLRP3 Inflammasome. Adv Wound Care (New Rochelle) 2020; 9:219-232. [PMID: 32226647 DOI: 10.1089/wound.2019.0957] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 04/22/2019] [Indexed: 12/25/2022] Open
Abstract
Objective: Acute gastric lesions are commonly seen in critically ill patients in the intensive care unit and can result in significant upper gastrointestinal bleeding. However, the signaling mechanisms that regulate this severe disease are still unclear. In this study, we explored the involvement of gastrokine 2 (GKN2) in the development of acute gastric lesions in mice. Approach: We measured the degree of injury using the water immersion restraint stress mouse model. Inflammatory cells and factors were analyzed after gastric lesion induction. The luciferase reporter assay was used to detect the transcription activity of nuclear receptor subfamily 3 group C member 1 (NR3C1) in regulation of GKN2. We also detected the downstream pathway of GKN2 in gastric lesions. Results: The results showed that GKN2 could aggravate stress-induced gastric lesions and gastric mucosal cell death. Moreover, the gastric lesion promoted by GKN2 was gastric acid independent. GKN2 could recruit neutrophils and promote the release of inflammatory factors to contribute to inflammation. NR3C1, activated by cortisol under stress, could act as a transcription factor to upregulate the expression of GKN2. Innovation: This study elucidates the process of gastric lesion at a molecular level and explores the possible contender biomarkers for diagnosis and drug targets in wound healing of gastric lesions. Conclusion: In conclusion, GKN2, which was upregulated by cortisol, aggravated the gastric lesion through activation of the inflammasome and inflammatory reaction.
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Affiliation(s)
- Ziqiang Zhang
- Department of General Surgery, Huashan Hospital North, Fudan University, Shanghai, P.R. China
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai, P.R. China
| | - Hongyuan Xue
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai, P.R. China
| | - Yuanqiang Dong
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai, P.R. China
| | - Jian Hu
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai, P.R. China
| | - Tao Jiang
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai, P.R. China
| | - Liubin Shi
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai, P.R. China
| | - Jianjun Du
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai, P.R. China
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Dorrigiv M, Zareiyan A, Hosseinzadeh H. Garlic (
Allium sativum
) as an antidote or a protective agent against natural or chemical toxicities: A comprehensive update review. Phytother Res 2020; 34:1770-1797. [DOI: 10.1002/ptr.6645] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 01/09/2020] [Accepted: 01/31/2020] [Indexed: 11/09/2022]
Affiliation(s)
- Mahyar Dorrigiv
- Department of Pharmacognosy, Faculty of MedicineAJA University of Medical Sciences Tehran Iran
| | - Armin Zareiyan
- Public Health DepartmentNursing Faculty at Aja University of Medical Sciences Tehran Iran
| | - Hossein Hosseinzadeh
- Pharmaceutical Research Center, Pharmaceutical Technology InstituteMashhad University of Medical Sciences Mashhad Iran
- Department of Pharmacodynamics and Toxicology, School of PharmacyMashhad University of Medical Sciences Mashhad Iran
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Ko IG, Jin JJ, Hwang L, Kim SH, Kim CJ, Han JH, Kwak MS, Yoon JY, Jeon JW. Evaluating the mucoprotective effect of polydeoxyribonucleotide against indomethacin-induced gastropathy via the MAPK/NF-κB signaling pathway in rats. Eur J Pharmacol 2020; 874:172952. [PMID: 31996319 DOI: 10.1016/j.ejphar.2020.172952] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 01/15/2020] [Accepted: 01/24/2020] [Indexed: 12/23/2022]
Abstract
Non-steroidal anti-inflammatory drugs (NSAIDs) cause gastric mucosal damage and gastric ulceration. Among the most commonly used NSAIDs, indomethacin upregulates mucosal tumor necrosis factor-α, which activates nuclear factor-kappa B (NF-κB), and mitogen-activated protein kinases (MAPK) to induce various pro-inflammatory mediators. Polydeoxyribonucleotide (PDRN) is an adenosine A2A receptor agonist that exerts anti-inflammatory effects. In this study, we evaluated the efficacy of PDRN in the initial treatment of gastropathy against that of ecabet sodium and irsoglandin maleate, which are commonly used medications. The rats were administrated indomethacin once a day for 7 days after 24 h of fasting to induce gastropathy. Rats in the drug-treated groups were orally administrated 500 μl of distilled water containing the drug once daily for 7 days 1 h after indomethacin administration. Indomethacin administration caused mucosal damage and increased pro-inflammatory cytokine release. Both NF-κB and MAPK cascade factors were increased by indomethacin administration. PDRN therapy more potently suppressed the expressions of NF-κB and MAPK cascade factors compared to other drugs. The expression of cyclic adenosine-3',5'-monophosphate was also increased by PDRN treatment in the indomethacin-induced gastropathy rats. These changes led to a reduction in pro-inflammatory cytokines and apoptotic factors, which ultimately promote recovery of damaged gastric tissue. Therefore, PDRN may serve as a new therapeutic option in the initial treatment of NSAIDs-induced gastropathy.
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Affiliation(s)
- Il-Gyu Ko
- Department of Physiology, College of Medicine, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Jun-Jang Jin
- Department of Physiology, College of Medicine, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Lakkyong Hwang
- Department of Physiology, College of Medicine, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Sang-Hoon Kim
- Department of Physiology, College of Medicine, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Chang-Ju Kim
- Department of Physiology, College of Medicine, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Jin Hee Han
- Department of Anesthesiology and Pain Medicine, College of Medicine, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Min Seop Kwak
- Department of Internal Medicine, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University, Seoul, 05278, Republic of Korea
| | - Jin Young Yoon
- Department of Internal Medicine, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University, Seoul, 05278, Republic of Korea
| | - Jung Won Jeon
- Department of Internal Medicine, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University, Seoul, 05278, Republic of Korea.
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Taslidere E, Vardi N, Parlakpinar H, Yıldız A, Taslidere B, Karaaslan MG. Effects of melatonin on acetylsalicylic acid induced gastroduodenal and jejunal mucosal injury. Biotech Histochem 2018; 93:485-495. [PMID: 30388896 DOI: 10.1080/10520295.2018.1442020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
Abstract
We evaluated the effects of melatonin on acetylsalicylic acid (ASA) induced gastroduodenal and jejunal mucosal injury. We used 40 postpubertal rats divided randomly into five groups of eight animals. The control group consisted of untreated animals. The Mel group was injected intraperitoneally (i.p.) with 5 mg/kg melatonin. The ASA group was injected i.p. with 200 mg/kg ASA. The ASA + Mel group was injected i.p. with 5 mg/kg melatonin 45 min after administering 200 mg/kg ASA i.p. The Mel + ASA group was injected i.p. with 5 mg/kg melatonin 45 min before administering 200 mg/kg ASA i.p. We found no statistically significant differences in mean histopathological scores in the ASA + Mel group compared to the ASA group. ASA caused shortened villi and loss of the apical villus in the duodenum. The histopathological score was increased and villus height was decreased in the ASA group compared to untreated controls. Treatment with melatonin attenuated the histological damage. In the ASA group, occasional areas showed erosion of villi in the jejunum; however, differences in mean histopathological score in ASA group compared to the other groups were not statistically significant. Malondialdehyde (MDA), glutathione (GSH) and superoxide dismutase (SOD) activities were measured in stomach, duodenal and jejunum tissue. We found increased MDA activity in both stomach and duodenal tissues in the ASA group compared to the control group (p < 0.05). We found no statistically significant changes in MDA levels in jejunal tissue in the ASA group compared to the control group. We found no change in SOD activity in either stomach or duodenal tissues in the ASA group compared to the control group. We observed decreased SOD activity in jejunal tissue in the ASA group compared to the control group (p < 0.05). We detected no change in GSH activity in stomach, duodenal or jejunal tissues in the ASA group compared to the control group. The stomach damage was less in melatonin treated groups, but the lesions were not completely eliminated. The jejunum in the ASA group retained a nearly normal appearance. We found that melatonin exhibited some healing effects on ASA induced duodenal mucosal injury.
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Affiliation(s)
- E Taslidere
- a Department of Histology and Embryology, Medical Faculty , Bezmialem Vakif University , Istanbul
| | - N Vardi
- b Department of Histology and Embryology, Medical Faculty , Inonu University , Malatya , Turkey
| | - H Parlakpinar
- c Department of Pharmacology, Medical Faculty , Inonu University , Malatya , Turkey
| | - A Yıldız
- b Department of Histology and Embryology, Medical Faculty , Inonu University , Malatya , Turkey
| | - B Taslidere
- d Department of Emergency Medicine , Malatya State Hospital , Malatya , Turkey
| | - M G Karaaslan
- e Department of Biochemistry, Medical Faculty , Inonu University , Malatya , Turkey
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Hegab II, Abd-Ellatif RN, Sadek MT. The gastroprotective effect of N-acetylcysteine and genistein in indomethacin-induced gastric injury in rats. Can J Physiol Pharmacol 2018; 96:1161-1170. [PMID: 30011378 DOI: 10.1139/cjpp-2017-0730] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
The protective effect of N-acetylcysteine (NAC) and genistein (GEN) on an experimental model of indomethacin (IND)-induced gastric injury was investigated. A total of 50 male rats were divided into 5 groups: (1) control, (2) IND, (3) NAC pretreated, (4) GEN pretreated, and (5) NAC+GEN pretreated. Rats in groups 3-5 were orally administered NAC (500 mg/kg), GEN (10 mg/kg), or both, respectively, once daily for 7 days before the induction of gastric injury by IND (50 mg/kg). The stomach was removed for biochemical analysis and histopathological examination. Pretreatment with NAC, GEN, or both significantly improved ulcer indices and increased nitric oxide level and superoxide dismutase activity. They also significantly decreased malondialdehyde, tumour necrosis factor α levels, and myeloperoxidase activity, and downregulated matrix metalloproteinase 9 (MMP-9) gene expression compared to the IND group. NAC alone ameliorated IND-induced apoptosis, whereas GEN only significantly increased prostaglandin E2 level. Further, coadministration of both resulted in a significantly better gastroprotective effect versus solo administration. Coadministration of NAC and GEN has an additive gastroprotective effect in IND-induced gastric injury, which may be through interaction of their potential cytoprotective, antioxidant, anti-inflammatory, and antiapoptotic mechanisms together with regulation of MMP-9 expression.
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Affiliation(s)
- Islam Ibrahim Hegab
- a Physiology Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | | | - Mona Tayssir Sadek
- c Histology Department, Faculty of Medicine, Tanta University, Tanta, Egypt
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Ko IG, Kim SE, Jin JJ, Hwang L, Ji ES, Kim CJ, Han JH, Hong IT, Kwak MS, Yoon JY, Shin HP, Jeon JW. Combination therapy with polydeoxyribonucleotide and proton pump inhibitor enhances therapeutic effectiveness for gastric ulcer in rats. Life Sci 2018; 203:12-19. [PMID: 29665355 DOI: 10.1016/j.lfs.2018.04.009] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2017] [Revised: 04/08/2018] [Accepted: 04/10/2018] [Indexed: 12/26/2022]
Abstract
AIMS The main action of proton pump inhibitors (PPIs) is to inhibit gastric acid secretion, and PPIs are widely used to treat gastric ulcer (GU). However, if the action of promoting gastric mucosal regeneration is added, the effectiveness of GU treatment can be enhanced. Thus, in order to improve the therapeutic effect on GU, we tried to develop combination therapy promoting regeneration in injured tissue besides suppressing gastric acid secretion. MAIN METHODS Polydeoxyribonucleotide (PDRN) was selected to evaluate tissue regeneration, and pantoprazole was chosen as one of the PPIs. GU was induced by oral administration of indomethacin once a day for 7 days. Rats in drug-administered groups were intraperitoneally injected with 100 μL normal saline, containing each drug at the indicated concentration, once a day for 14 days after inducing GU. KEY FINDINGS PDRN and PPI combination therapy potently improved tissue regeneration and inhibited production of pro-inflammatory cytokines. PDRN treatment with or without PPI increased the concentration of cyclic adenosine-3,5'-monophosphate (cAMP) and the ratio of phosphorylated cAMP response element-binding protein (p-CREB) to cAMP response element-binding protein (CREB). PDRN treatment with or without PPI also increased the expressions of vascular endothelial growth factor (VEGF) and adenosine A2A receptor. SIGNIFICANCE PDRN and PPI combination therapy showed more potent therapeutic effect on GU compared to the PDRN monotherapy or PPI monotherapy. The excellent therapeutic effect of PDRN and PPI combination therapy on GU appeared by promoting regeneration of damaged tissue as well as inhibiting gastric acid secretion.
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Affiliation(s)
- Il-Gyu Ko
- Department of Physiology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Sung-Eun Kim
- Department of Physiology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jun-Jang Jin
- Department of Physiology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Lakkyong Hwang
- Department of Physiology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Eun-Sang Ji
- Department of Physiology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Chang-Ju Kim
- Department of Physiology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jin-Hee Han
- Department of Anesthesiology and Pain Medicine, Kyung Hee Medical Center, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - In Taik Hong
- Department of Internal Medicine, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University, Seoul 05278, Republic of Korea
| | - Min Seop Kwak
- Department of Internal Medicine, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University, Seoul 05278, Republic of Korea
| | - Jin Young Yoon
- Department of Internal Medicine, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University, Seoul 05278, Republic of Korea
| | - Hyun Phil Shin
- Department of Internal Medicine, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University, Seoul 05278, Republic of Korea
| | - Jung Won Jeon
- Department of Internal Medicine, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University, Seoul 05278, Republic of Korea.
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Li Q, Hu X, Xuan Y, Ying J, Fei Y, Rong J, Zhang Y, Zhang J, Liu C, Liu Z. Kaempferol protects ethanol-induced gastric ulcers in mice via pro-inflammatory cytokines and NO. Acta Biochim Biophys Sin (Shanghai) 2018; 50:246-253. [PMID: 29415150 DOI: 10.1093/abbs/gmy002] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Indexed: 01/11/2023] Open
Abstract
Gastric ulcers (GUs) are common pathologies that affect many people around the world. Excessive alcohol consumption is one of the main causes of GUs; however, there are still lack of effective drugs for the prevention or therapy of GUs. In this study, we evaluated the protective effects and possible mechanisms of kaempferol (KAE) against acute ethanol-induced lesions to the gastric mucosa in mice. Fasted mice were orally given vehicle (0.9% saline), omeprazole (20 mg/kg), or KAE (40, 80, or 160 mg/kg) for 1 h in different experimental sets prior to the establishment of the GU model by challenge with absolute ethanol (10 ml/kg). Animals were euthanized 1 h after ethanol intake, and their plasma and stomach tissues were subject to further examination. Macroscopic and microscopic lesions, and immunological and biochemical parameters were observed. The effects of inflammation were investigated using the following indicators: tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), IL-6, myeloperoxidase (MPO), and nitric oxide (NO). Results showed that KAE significantly decreased the ulcer index, increased the preventive index, completely protected the mucosa from lesions, and preserved gastric mucosal glycoprotein. KAE decreased MPO activity and pro-inflammatory cytokine (TNF-α, and IL-1β) levels, and improved NO levels. The gastroprotective activity of KAE might be attributed to the preservation of gastric mucous glycoproteins levels, thus by inhibiting neutrophil accumulation and MPO activity, adjusting the levels of pro-inflammatory cytokines, and improving NO production.
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Affiliation(s)
- Qinchen Li
- Department of Forensic Toxicology, Judicial Identification Center of Shaoxing University, Shaoxing 312000, China
| | - Xinxin Hu
- Department of Forensic Toxicology, Judicial Identification Center of Shaoxing University, Shaoxing 312000, China
| | - Yanhan Xuan
- Department of Forensic Toxicology, Judicial Identification Center of Shaoxing University, Shaoxing 312000, China
| | - Jianghua Ying
- Department of Forensic Toxicology, Judicial Identification Center of Shaoxing University, Shaoxing 312000, China
| | - Yujia Fei
- Department of Forensic Toxicology, Judicial Identification Center of Shaoxing University, Shaoxing 312000, China
| | - Jielu Rong
- Department of Forensic Toxicology, Judicial Identification Center of Shaoxing University, Shaoxing 312000, China
| | - Yong Zhang
- Department of Forensic Toxicology, Judicial Identification Center of Shaoxing University, Shaoxing 312000, China
| | - Jian Zhang
- Department of Pharmacolgoy, Medical College of Shaoxing University, Shaoxing 312000, China
| | - Chunyan Liu
- Department of Orthopaedics, Shaoxing People's Hospital, Shaoxing 312000, China
| | - Zheng Liu
- Department of Forensic Toxicology, Judicial Identification Center of Shaoxing University, Shaoxing 312000, China
- Department of Pharmacolgoy, Medical College of Shaoxing University, Shaoxing 312000, China
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Choi YJ, Kim N, Lee JY, Nam RH, Suh JH, Lee SM, Ham MH, Jo HJ, Shim YK, Park YH, Lee JC, Choi YJ, Lee HS, Lee DH. PMK-S005 Alleviates Age-Related Gastric Acid Secretion, Inflammation, and Oxidative Status in the Rat Stomach. Gut Liver 2017; 10:749-56. [PMID: 27172930 PMCID: PMC5003198 DOI: 10.5009/gnl15584] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Accepted: 12/05/2015] [Indexed: 12/12/2022] Open
Abstract
Background/Aims The aim of this study was to evaluate the effect of the synthetic S-allyl-l-cysteine (SAC) PMK-S005 on gastric acid secretion, inflammation, and antioxidant enzymes in aging rats. Methods The rats were divided into four groups at 31 weeks of age and were continuously fed a diet containing a vehicle control, PMK-S005 (5 or 10 mg/kg), or lansoprazole (5 mg/kg). Gastric acid secretion and connective tissue thickness of the lamina propria were evaluated at 74 weeks and 2 years of age. Tumor necrosis factor (TNF)-α, interleukin (IL)-1β, and COX-2 levels were measured by using enzyme-linked immunosorbent assays (ELISAs) or Western blot assays. Levels of antioxidant enzymes, including heme oxyganase 1 (HO-1) and NAD(P)H:quinone oxidoreductase 1 (NQO-1), were also measured. Results As the rats aged, gastric acid secretion significantly decreased, and the connective tissue of the lamina propria increased. However, 74-week-old rats in the PMK-S005 group exhibited greater levels of gastric acid secretion than those of the control and lansoprazole groups. The increase of TNF-α, IL-1β, and COX-2 expression in 74-week and 2-year-old control rats were inhibited by PMK-S005. In addition, the decrease in HO-1 and NQO-1 protein expression that occurred with aging was inhibited by PMK-S005 in the 74-week-old rats. Conclusions These results suggest that PMK-S005 has therapeutic potential as an antiaging agent to ameliorate age-related gastric acid secretion, inflammation, and oxidative stress in the stomach.
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Affiliation(s)
- Yoon Jeong Choi
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Nayoung Kim
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea.,Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea
| | - Ju Yup Lee
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Ryoung Hee Nam
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Ji Hyung Suh
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Sun Min Lee
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Min Hee Ham
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Hyun Jin Jo
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Young Kwang Shim
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Yo Han Park
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Jong-Chan Lee
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Yoon Jin Choi
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Hye Seung Lee
- Department of Pathology, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Dong Ho Lee
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea.,Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea
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Harsha C, Banik K, Bordoloi D, Kunnumakkara AB. Antiulcer properties of fruits and vegetables: A mechanism based perspective. Food Chem Toxicol 2017; 108:104-119. [PMID: 28711545 DOI: 10.1016/j.fct.2017.07.023] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Revised: 05/19/2017] [Accepted: 07/10/2017] [Indexed: 12/17/2022]
Abstract
Gastric ulcer is the damage caused to mucosal layer of the stomach under the action of various factors like high levels of acid and pepsin, invasion by Helicobacter pylori, etc. Although most cases have been controlled and the rate of ulcer occurrence has reduced over the last few decades, gastric ulcer still holds a prime concern today. A range of palliative medicines comprising proton pump inhibitors, H2 receptor antagonists, COX-2 inhibitors (coxibs) is widely in use and patients have also been administered with acid suppression therapies. But these remedies aggravate the condition of patients causing severe side effects, or rather impart temporary relief. Therefore, it is highly imperative to develop safe and effective therapies for the treatment of gastric ulcer. Nature provides us various fruits and vegetables that can combat gastric ulcer through multiple mechanisms; predominantly via antioxidant, anti-inflammatory, antisecretory, antimicrobial, anticholinergic and cytoprotective activity, inhibition of small intestinal propulsion etc. Various phytochemicals from fruits and vegetables such as phenolics, flavonoids, tannins and saponins play a vital role in the prevention and cure of gastric ulcer. This review is a compendium of all fruits and vegetables known for their profound antiulcer effect and their underlying mechanisms of action.
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Affiliation(s)
- Choudhary Harsha
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam, 781039, India
| | - Kishore Banik
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam, 781039, India
| | - Devivasha Bordoloi
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam, 781039, India
| | - Ajaikumar B Kunnumakkara
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam, 781039, India.
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Choi YJ, Kim N, Lee JY, Nam RH, Seo JH, Lee S, Kim HJ, Choi YJ, Lee HS, Lee DH. Gastroprotective Effects of PMK-S005 against Ethanol-Induced Acute Gastric Damage in Rats. Gut Liver 2017; 10:348-55. [PMID: 26347516 PMCID: PMC4849686 DOI: 10.5009/gnl14509] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Background/Aims This study aimed to examine the gastroprotective effects of PMK-S005, which is a synthetic S-allyl-l-cysteine (SAC; a sulfur-containing amino acid), against acute ethanol-induced gastric damage in rats. Methods Sprague-Dawley rats were divided into six groups, including a nonethanol group, groups treated with absolute ethanol 1 hour after pretreatment with various doses of PMK-S005 (1, 5, and 10 mg/kg) or rebamipide (50 mg/kg), and an absolute ethanol-only group. Ethanol-induced gross ulcer and mucus levels were measured. Myeloperoxidase, tumor necrosis factor α, interleukin 1β, PGE2, LTB4, cPLA2, COX-1, and COX-2 levels were estimated by enzyme-linked immunosorbent assay or Western blot analysis. Furthermore, the protein expression levels of antioxidant enzymes, including heme oxygenase-1 (HO-1), NAD(P)H:quinine oxidoreductase 1 (NQO-1), GCLC, and GCLM, were assessed. Results PMK-S005 significantly attenuated the ethanol-induced gastric damage; it reduced mucosal inflammatory cytokine production and increased mucus levels. The expression levels of cPLA2, COX-1, and COX-2 were decreased by PMK-S005. PMK-S005 did not affect PGE2 synthesis, but LTB4 production was significantly suppressed. In addition, long-term administration of PMK-S005 significantly increased the expression of HO-1, NQO-1, GCLC, and GCLM. Conclusions These results strongly suggest that PMK-S005 prevents gastric mucosal damage and that these gastroprotective activities are due to anti-inflammatory effects and enhancement of the gastric defense system, including antioxidant enzymes.
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Affiliation(s)
- Yoon Jeong Choi
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Nayoung Kim
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea.,Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea
| | - Ju Yup Lee
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Ryoung Hee Nam
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Ji Hyung Seo
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Seonmin Lee
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Hee Jin Kim
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Yoon Jin Choi
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Hye Seung Lee
- Department of Pathology, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Dong Ho Lee
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea.,Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea
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Paulrayer A, Adithan A, Lee JH, Moon KH, Kim DG, Im SY, Kang CW, Kim NS, Kim JH. Aronia melanocarpa (Black Chokeberry) Reduces Ethanol-Induced Gastric Damage via Regulation of HSP-70, NF-κB, and MCP-1 Signaling. Int J Mol Sci 2017; 18:ijms18061195. [PMID: 28587230 PMCID: PMC5486018 DOI: 10.3390/ijms18061195] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Revised: 05/15/2017] [Accepted: 05/17/2017] [Indexed: 01/02/2023] Open
Abstract
Aronia melanocarpa (Michx.) Ell. belongs to the Rosaceae family. The purpose of this study is to explore the gastroprotective effect of the Aronia melanocarpa hydro-alcoholic extract (AMHAE) against ethanol-induced gastric ulcer in a rat model. Different concentrations (50, 100, and 200 mg/kg) of AMHAE, or 30 mg/kg of omeprazole, significantly inhibited the gastric injury formation. The ethanol-induced ulcer group showed significant increases of malondialdehyde (MDA), myeloperoxidase (MPO), tumor necrosis factor (TNF)-α, nuclear factor-kappaB p65 (NF-κB p65), and monocyte chemoattractant protein (MCP)-1, and decreased activities of superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GSH-px), and interleukin (IL)-4. However, AMHAE (200 mg/kg) pretreatment significantly reversed the altered pathophysiological levels of these biomolecules to near normal stages. The gastroprotective activity of AMHAE was abolished by pretreatment with l-NAME, naloxone, capsazepine, and indomethacin, demonstrating the participation of nitric oxide (NO), opioids, TRPV (vanilloid receptor-related transient receptor potential), and prostaglandins in AMHAE-assisted gastroprotection against ethanol-induced gastric injuries. This gastroprotective effect of AMHAE might be due to the downregulation of TNF-α-based NF-κB, MCP-1 signaling and strong antioxidant properties.
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Affiliation(s)
- Antonisamy Paulrayer
- College of Veterinary Medicine, BK21PLUS project, Chonbuk National University, 79 Gobong-ro, Iksan-city, Jeollabuk-do 54596, Korea.
| | - Aravinthan Adithan
- College of Veterinary Medicine, BK21PLUS project, Chonbuk National University, 79 Gobong-ro, Iksan-city, Jeollabuk-do 54596, Korea.
| | - Jeong Ho Lee
- Sunchang Reserch Institute of Health and Longevity, Ingye-myeon Indeok-ro, Sunchang-gun, Jeollabuk-do 56015, Korea.
| | - Kwang Hyun Moon
- Sunchang Reserch Institute of Health and Longevity, Ingye-myeon Indeok-ro, Sunchang-gun, Jeollabuk-do 56015, Korea.
| | - Dae Geun Kim
- Sunchang Reserch Institute of Health and Longevity, Ingye-myeon Indeok-ro, Sunchang-gun, Jeollabuk-do 56015, Korea.
| | - So Yeon Im
- Sunchang Reserch Institute of Health and Longevity, Ingye-myeon Indeok-ro, Sunchang-gun, Jeollabuk-do 56015, Korea.
| | - Chang-Won Kang
- College of Veterinary Medicine, BK21PLUS project, Chonbuk National University, 79 Gobong-ro, Iksan-city, Jeollabuk-do 54596, Korea.
| | - Nam Soo Kim
- College of Veterinary Medicine, BK21PLUS project, Chonbuk National University, 79 Gobong-ro, Iksan-city, Jeollabuk-do 54596, Korea.
| | - Jong-Hoon Kim
- College of Veterinary Medicine, BK21PLUS project, Chonbuk National University, 79 Gobong-ro, Iksan-city, Jeollabuk-do 54596, Korea.
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17
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Cheng YT, Lu CC, Yen GC. Phytochemicals enhance antioxidant enzyme expression to protect against NSAID-induced oxidative damage of the gastrointestinal mucosa. Mol Nutr Food Res 2017; 61. [PMID: 27883262 DOI: 10.1002/mnfr.201600659] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 11/15/2016] [Accepted: 11/17/2016] [Indexed: 12/17/2022]
Abstract
The gastrointestinal (GI) mucosa provides the first protective barrier for digested food and xenobiotics, which are easily attacked by toxic substances. Nonsteroidal anti-inflammatory drugs, including aspirin, diclofenac, indomethacin, and ketoprofen, are widely used in clinical medicine, but these drugs may cause oxidative stress, leading to GI damage such as ulcers. Lansoprazol, omeprazole, and other clinical drugs are widely used to treat duodenal and gastric ulcers and have been shown to have multiple biological functions, such as antioxidant activity and the ability to upregulate antioxidant enzymes in vivo. Therefore, the reduction of oxidative stress may be an effective curative strategy for preventing and treating nonsteroidal anti-inflammatory drug induced ulcers of the GI mucosa. Phytochemicals, such as dietary phenolic compounds, phenolic acids, flavan-3-ols, flavonols, flavonoids, gingerols, carotenes, and organosulfur, are common antioxidants in fruits, vegetables, and beverages. A large amount of evidence has demonstrated that natural phytochemicals possess bioactivity and potential health benefits, such as antioxidant, anti-inflammatory, and antibacterial benefits, and they can prevent digestive disease processes. In this review, we summarize the literature on phytochemicals with biological effects, such as angiogenic, antioxidant, antiapoptotic, anti-inflammatory, and antiulceration effects, and their related mechanisms are also discussed.
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Affiliation(s)
- Yu-Ting Cheng
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung, Taiwan
| | - Chi-Cheng Lu
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung, Taiwan
| | - Gow-Chin Yen
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung, Taiwan
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18
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Anandasadagopan SK, Sundaramoorthy C, Pandurangan AK, Nagarajan V, Srinivasan K, Ganapasam S. S-Allyl cysteine alleviates inflammation by modulating the expression of NF-κB during chromium (VI)-induced hepatotoxicity in rats. Hum Exp Toxicol 2016; 36:1186-1200. [PMID: 28988497 DOI: 10.1177/0960327116680275] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Hexavalent chromium (Cr (VI)) is a common environmental pollutant. Cr (VI) exposure can lead to severe damage to the liver, but the preventive measures to diminish Cr (VI)-induced hepatotoxicity need further study. S-allyl cysteine (SAC) is a constituent of garlic ( Allium sativum) and has many beneficial effects to humans and rodents. In this study, we intended to analyze the mechanistic role of SAC during Cr (VI)-induced hepatotoxicity. Male Wistar albino rats were induced with 17 mg/kg body weight to damage the liver. The Cr (VI)-induced rats were treated with 100 mg/kg body weight of SAC as an optimum dosage to treat hepatotoxicity. We observed that the levels of oxidants, lipid peroxidation and hydroxyl radical (OH•) were increased, and enzymatic antioxidants such as superoxide dismutase, catalase, glutathione peroxidase, and glutathione reductase were found to be decreased in Cr (VI)-induced rats. While treated with SAC, the levels of oxidants were decreased and enzymatic antioxidants were significantly ( p < 0.05) increased. Lysosomal enzyme activities were increased in Cr (VI)-induced rats and on treatment with SAC, the activities were significantly decreased. The expressions of nuclear factor-kappa B (p65-NF-κB), tumor necrosis factor α (TNF-α), and inducible nitric oxide synthase (iNOS) were increased during induction with Cr (VI). Subsequent administration of SAC to animals showed a decrease in the expressions of NF-κB, TNF-α, and iNOS. Results obtained from this study clearly demonstrated that SAC protects the liver cells from the Cr (VI)-induced free radical damage.
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Affiliation(s)
- S K Anandasadagopan
- 1 Biochemistry and Biotechnology Laboratory, Central Leather Research Institute, Council of Scientific and Industrial Research (CSIR), Adyar, Chennai, India
| | - C Sundaramoorthy
- 2 Cell Biology Laboratory, Department of Biochemistry, University of Madras, Guindy Campus, Chennai, India
| | - A K Pandurangan
- 2 Cell Biology Laboratory, Department of Biochemistry, University of Madras, Guindy Campus, Chennai, India.,3 Department of Pharmacology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - V Nagarajan
- 2 Cell Biology Laboratory, Department of Biochemistry, University of Madras, Guindy Campus, Chennai, India
| | - K Srinivasan
- 2 Cell Biology Laboratory, Department of Biochemistry, University of Madras, Guindy Campus, Chennai, India
| | - S Ganapasam
- 2 Cell Biology Laboratory, Department of Biochemistry, University of Madras, Guindy Campus, Chennai, India
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19
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Li JH, Ju GX, Jiang JL, Li NS, Peng J, Luo XJ. Lipoic acid protects gastric mucosa from ethanol-induced injury in rat through a mechanism involving aldehyde dehydrogenase 2 activation. Alcohol 2016; 56:21-28. [PMID: 27814791 DOI: 10.1016/j.alcohol.2016.10.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Revised: 08/20/2016] [Accepted: 10/04/2016] [Indexed: 12/16/2022]
Abstract
Numerous studies demonstrate that reactive aldehydes are highly toxic and aldehyde dehydrogenase 2 (ALDH2)-mediated detoxification of reactive aldehydes is thought as an endogenous protective mechanism against reactive aldehydes-induced cell injury. This study aims to explore whether lipoic acid, a potential ALDH2 activator, is able to protect gastric mucosa from ethanol-induced injury through a mechanism involving clearance of reactive aldehydes. The rats received 60% of acidified ethanol through intragastric administration and held for 1 h to establish a mucosal injury model. Lipoic acid (10 or 30 mg/kg) or Alda-1 (a positive control, 10 mg/kg) was given 45 min before the ethanol treatment. The gastric tissues were collected for analysis of gastric ulcer index, cellular apoptosis, 4-hydroxy-2-nonenal (4-HNE) and malondialdehyde (MDA) contents, and ALDH2 activity. The results showed that acute administration of ethanol led to an increase in gastric ulcer index, cellular apoptosis, 4-HNE and MDA contents concomitant with a decrease in ALDH2 activity; these phenomena were reversed by lipoic acid or Alda-1. The gastric protection of lipoic acid was attenuated in the presence of ALDH2 inhibitor. Based on these observations, we conclude that lipoic acid exerts the beneficial effects on ethanol-induced injury through a mechanism involving, at least in part, ALDH2 activation. As a dietary supplement or a medicine already in some countries, lipoic acid can be used to treat the ethanol - induced gastric mucosal injury.
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Affiliation(s)
- Jia-Hui Li
- Department of Pharmacology, School of Pharmaceutical Sciences, Central South University, Changsha 410078, China
| | - Gui-Xia Ju
- Department of Pharmacology, School of Pharmaceutical Sciences, Central South University, Changsha 410078, China
| | - Jun-Lin Jiang
- Department of Pharmacology, School of Pharmaceutical Sciences, Central South University, Changsha 410078, China
| | - Nian-Sheng Li
- Department of Pharmacology, School of Pharmaceutical Sciences, Central South University, Changsha 410078, China
| | - Jun Peng
- Department of Pharmacology, School of Pharmaceutical Sciences, Central South University, Changsha 410078, China.
| | - Xiu-Ju Luo
- Department of Laboratory Medicine, Xiangya School of Medicine, Central South University, Changsha 410013, China.
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Affiliation(s)
- Jong-Jae Park
- Division of Gastroenterology, Department of Internal Medicine, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
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Zhang F, Wang L, Wang JJ, Luo PF, Wang XT, Xia ZF. The caspase-1 inhibitor AC-YVAD-CMK attenuates acute gastric injury in mice: involvement of silencing NLRP3 inflammasome activities. Sci Rep 2016; 6:24166. [PMID: 27053298 PMCID: PMC4823746 DOI: 10.1038/srep24166] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Accepted: 03/22/2016] [Indexed: 12/30/2022] Open
Abstract
This study evaluated the protective effects of inhibiting caspase-1 activity or gastric acid secretion on acute gastric injury in mice. AC-YVAD-CMK, omeprazole, or vehicle were administered to mice before cold-restraint stress- or ethanol-induced gastric injury. Survival rates and histological evidence of gastric injury of mice pretreated with AC-YVAD-CMK or omeprazole, and exposed to cold-restraint stress, improved significantly relative to the vehicle group. The increased levels of tumour necrosis factor-α, interleukin (IL)-1β, IL-6, and IL-18 following cold-stress injury were decreased by AC-YVAD-CMK, but not omeprazole, pretreatment. The increased expression of CD68 in gastric tissues was inhibited significantly by AC-YVAD-CMK pretreatment. Inhibiting caspase-1 activity in the NLRP3 inflammasome decreased gastric cell apoptosis, and the expression of Bax and cleaved caspase-3. AC-YVAD-CMK pretreatment significantly inhibited cold-restraint stress-induced increases in the expression of phosphorylated IκB-alpha and P38. General anatomy and histological results showed the protective effect of AC-YVAD-CMK on ethanol-induced acute gastric injury. Overall, our results showed that the caspase-1 inhibitor AC-YVAD-CMK protected against acute gastric injury in mice by affecting the NLRP3 inflammasome and attenuating inflammatory processes and apoptosis. This was similar to the mechanism associated with NF-κB and P38 mitogen-activated protein kinase signalling pathways.
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Affiliation(s)
- Fang Zhang
- Department of Burn Surgery, the Second Military Medical University Affiliated Changhai Hospital, Shanghai 200433, China.,Number 73901 Troop of PLA, Shanghai 200439
| | - Liang Wang
- Department of Burn Surgery, the Second Military Medical University Affiliated Changhai Hospital, Shanghai 200433, China
| | - Jun-Jie Wang
- Department of Burn Surgery, the Second Military Medical University Affiliated Changhai Hospital, Shanghai 200433, China
| | - Peng-Fei Luo
- Department of Burn Surgery, the Second Military Medical University Affiliated Changhai Hospital, Shanghai 200433, China
| | - Xing-Tong Wang
- Department of Burn Surgery, the Second Military Medical University Affiliated Changhai Hospital, Shanghai 200433, China
| | - Zhao-Fan Xia
- Department of Burn Surgery, the Second Military Medical University Affiliated Changhai Hospital, Shanghai 200433, China
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MANOCHA S, LAL D, VENKATARAMAN S. ADMINISTRATION OF H2 BLOCKERS IN NSAID INDUCED GASTROPATHY IN RATS: effect on histopathological changes in gastric, hepatic and renal tissues. ARQUIVOS DE GASTROENTEROLOGIA 2016; 53:36-43. [DOI: 10.1590/s0004-28032016000100008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2015] [Accepted: 11/10/2015] [Indexed: 01/09/2023]
Abstract
ABSTRACT Background Nonsteroidal anti-inflammatory drugs induces gastric mucosal lesions because of its acidic properties. Ranitidine, an H2 receptor antagonist, has proved beneficial in patients with gastric ulcers. Objective The present study was performed to assess the effect of administering ranitidine in Nonsteroidal anti-inflammatory drugs (diclofenac, nimesulide) induced gastropathy, and their effect on the histopathology of stomach, kidney and liver. Methods Diclofenac, nimesulide, and ranitidine were administered in doses of 2, 4, and 6 mg/kg, p.o. once daily for 14 days, and their effect on gastric volume, acidity, mean ulcer number, and gastric pH. In addition, histopathological examination was also performed on sections of stomach, kidney and liver. Results Following the administration of diclofenac or nimesulide, all the gastric parameters were significantly altered as well as the histopathology of stomach, liver and kidney. In the control group, the renal sections showed normal glomeruli with no thickening of glomerular basement membrane, while in diclofenac alone, nimesulide alone, and ranitidine with nimesulide groups, the thickening of glomerular basement membrane was observed. These alterations were observed to be reversed in the ranitidine with diclofenac group. In the sections from the liver, the control group showed anastomosing plates and cords of cuboidal hepatocytes with round well stained nuclei and abundant cytoplasm. In the ranitidine with diclofenac, and ranitidine with nimesulide groups, mild dilatation of sinusoids is seen coupled with prominence of central vein. In the diclofenac alone and nimesulide alone groups, the proximal and distal convoluted tubules show mild focal tubular necrosis. In the gastric sections, the control group showed several folds forming villi, and the epithelial lining surface of the mucosa. In the ranitidine with diclofenac, and ranitidine with nimesulide groups, the duodenum showed scattered inflammatory cells composed predominantly of lymphocytes. In diclofenac alone and nimesulide alone group, the sections from the gastric areas showed partial necrosis and mild chronic inflammation respectively. Conclusion The study, therefore, has provided therapeutic rationale towards simultaneous administration of H2 receptor blocker ranitidine with diclofenac to be more beneficial as compared to ranitidine with nimesulide, to minimise the gastric intolerance of diclofenac in long term treatment of inflammatory conditions.
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Marine natural products with anti-inflammatory activity. Appl Microbiol Biotechnol 2015; 100:1645-1666. [DOI: 10.1007/s00253-015-7244-3] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Revised: 12/07/2015] [Accepted: 12/09/2015] [Indexed: 12/14/2022]
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Gordeeva AE, Temnov AA, Charnagalov AA, Sharapov MG, Fesenko EE, Novoselov VI. Protective Effect of Peroxiredoxin 6 in Ischemia/Reperfusion-Induced Damage of Small Intestine. Dig Dis Sci 2015; 60:3610-9. [PMID: 26233545 DOI: 10.1007/s10620-015-3809-3] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Accepted: 07/13/2015] [Indexed: 12/09/2022]
Abstract
BACKGROUND Strong oxidative stress starting in the epithelium upon restoration of blood cell circulation is a major cause of necrosis of the intestinal epithelium in ischemia/reperfusion-induced damage. AIM The purpose of this study was to investigate the tissue-protective effect of exogenous peroxiredoxin 6 (Prx6) in ischemia/reperfusion-induced damage of small intestine. METHODS The research was carried out using a model of acute superior mesenteric artery occlusion in Wistar male rats. Exogenous Prx6 was administrated intravenously 15 min prior to small intestine ischemia. The distribution of endogenous Prx6 in the small intestine was determined by immunohistochemical analysis. The expression level of antioxidant enzymes was evaluated by RT-PCR in real time. RESULTS Exogenous Prx6 injected to animals intravenously was detected in blood vessel lumens, and its diffuse distribution was subsequently confirmed in the intestinal epithelium. Expression analysis of genes coding for major antioxidant enzymes demonstrated a significant activation of SOD 1, SOD 3, Prx6, GPx2, GPx7 expression during I/R-induced damage of the small intestine. Injection of exogenous Prx6 prior to induced ischemia resulted in minimization of oxidative injury by reducing necrosis and apoptosis, by normalization of gene activity of antioxidant enzyme. It eventually led to a reduction of epithelium destruction in the small intestine. By contrast, administration of a purified mutant form of Prx6 (Prx6C47S) without peroxidase activity had no protective effect. CONCLUSION The application of exogenous Prx6 enables normalization of the antioxidant status of the small intestine and reduction of cell destruction upon I/R-induced organ damage.
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Affiliation(s)
- A E Gordeeva
- Institute of Cell Biophysics, Russian Academy of Sciences, 3, Institutskaya, Pushchino, Moscow Region, Russia, 142290.
| | - A A Temnov
- N.V. Sklifosovsky Research Institute for Emergency Medicine of Moscow Healthcare Department, Moscow, Russia.
| | - A A Charnagalov
- Department of Structural and Computational Biology, Max. F. Perutz Laboratories, University of Vienna, Campus Vienna Biocenter 5, 1030, Vienna, Austria.
| | - M G Sharapov
- Institute of Cell Biophysics, Russian Academy of Sciences, 3, Institutskaya, Pushchino, Moscow Region, Russia, 142290.
| | - E E Fesenko
- Institute of Cell Biophysics, Russian Academy of Sciences, 3, Institutskaya, Pushchino, Moscow Region, Russia, 142290.
| | - V I Novoselov
- Institute of Cell Biophysics, Russian Academy of Sciences, 3, Institutskaya, Pushchino, Moscow Region, Russia, 142290.
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Colín-González AL, Ali SF, Túnez I, Santamaría A. On the antioxidant, neuroprotective and anti-inflammatory properties of S-allyl cysteine: An update. Neurochem Int 2015; 89:83-91. [PMID: 26122973 DOI: 10.1016/j.neuint.2015.06.011] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2015] [Revised: 06/11/2015] [Accepted: 06/15/2015] [Indexed: 12/25/2022]
Abstract
Therapeutic approaches based on isolated compounds obtained from natural products to handle central and peripheral disorders involving oxidative stress and inflammation are more common nowadays. The validation of nutraceutics vs. pharmaceutics as tools to induce preventive and protective profiles in human health alterations is still far of complete acceptance, but the basis to start more solid experimental and clinical protocols with natural products has already begun. S-allyl cysteine (SAC) is a promising garlic-derived organosulfur compound exhibiting a considerable number of positive actions in cell models and living systems. An update, in the form of review, is needed from time to time to get access to the state-of-the-art on this topic. In this review we visited recent and refreshing evidence of new already proven and potential targets to explain the benefits of using SAC against toxic and pathological conditions. The broad spectrum of protective actions covered by this molecule comprises antioxidant, redox modulatory and anti-inflammatory activities, accompanied by anti-apoptotic, pro-energetic and signaling capacities. Herein, we detail the evidence on these aspects to provide the reader a more complete overview on the promising aspects of SAC in research.
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Affiliation(s)
- Ana Laura Colín-González
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, SSA, Mexico City, Mexico
| | - Syed F Ali
- Neurochemistry Laboratory, Division of Neurotoxicology, National Center for Toxicological Research/FDA, Jefferson, AR, USA.
| | - Isaac Túnez
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario Reina Sofia/Universidad de Córdoba, Cordoba, Spain; Red Temática de Investigación Cooperativa en Envejecimiento y Fragilidad (RETICEF), Spain
| | - Abel Santamaría
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, SSA, Mexico City, Mexico.
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