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Natural Chinese herbs for the prevention and treatment of acute pancreatitis: a narrative review. JOURNAL OF PANCREATOLOGY 2022. [DOI: 10.1097/jp9.0000000000000111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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Agah S, Akbari A, Sadeghi E, Morvaridzadeh M, Basharat Z, Palmowski A, Heshmati J. Resveratrol supplementation and acute pancreatitis: A comprehensive review. Biomed Pharmacother 2021; 137:111268. [PMID: 33493966 DOI: 10.1016/j.biopha.2021.111268] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 01/07/2021] [Accepted: 01/10/2021] [Indexed: 12/14/2022] Open
Abstract
Resveratrol, a natural polyphenolic ingredient extracted from herbs, suppresses oxidative stress and inflammation. We performed a comprehensive review to find any evidence about the effects of Resveratrol on acute pancreatitis (AP). Resveratrol has been found to directly impact cytokine generation. As these factors play a crucial role in the pathophysiology of AP, resveratrol might attenuate AP and its complications. Mechanistically, resveratrol exerts its pharmacological effects through anti-inflammatory and antioxidant mechanisms via interaction with different signaling molecules and transcription factors. Indeed, resveratrol might prove to be an effective therapeutic component for AP treatment in the future. In this review, we shed light on potential most recent pathways through which resveratrol might impact the management and control of AP.
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Affiliation(s)
- Shahram Agah
- Colorectal Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Abolfazl Akbari
- Colorectal Research Center, Iran University of Medical Sciences, Tehran, Iran.
| | - Ehsan Sadeghi
- Research Center for Environmental Determinants of Health (RCEDH), Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mojgan Morvaridzadeh
- Department of Nutritional Science, School of Nutritional Science and Food Technology, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Zarrin Basharat
- Jamil-ur-Rahman Center for Genome Research, Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, 75270, Pakistan
| | - Andriko Palmowski
- Department of Rheumatology and Clinical Immunology, Charite - University Medicine Berlin, Germany
| | - Javad Heshmati
- Department of Nutritional Science, School of Nutritional Science and Food Technology, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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Phytoceuticals in Acute Pancreatitis: Targeting the Balance between Apoptosis and Necrosis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2018; 2018:5264592. [PMID: 29686719 PMCID: PMC5857302 DOI: 10.1155/2018/5264592] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 11/29/2017] [Accepted: 12/20/2017] [Indexed: 12/11/2022]
Abstract
Despite recent advances in understanding the complex pathogenesis of pancreatitis, the management of the disease remains suboptimal. The use of phytoceuticals (plant-derived pleiotropic multitarget molecules) represents a new research trend in pancreatology. The purpose of this review is to discuss the phytoceuticals with pancreatoprotective potential in acute pancreatitis and whose efficacy is based, at least in part, on their capacity to modulate the acinar cell death. The phytochemicals selected, belonging to such diverse classes as polyphenols, flavonoids, lignans, anthraquinones, sesquiterpene lactones, nitriles, and alkaloids, target the balance between apoptosis and necrosis. Activation of apoptosis via various mechanisms (e.g., inhibition of X-linked inhibitor of apoptosis proteins by embelin, upregulation of FasL gene expression by resveratrol) and/or inhibition of necrosis seem to represent the essential key for decreasing the severity of the disease. Apart from targeting the apoptosis/necrosis balance, the phytochemicals displayed other specific protective activities: inhibition of inflammasome (e.g., rutin), suppression of neutrophil infiltration (e.g., ligustrazine, resveratrol), and antioxidant activity. Even though many of the selected phytoceuticals represent a promising therapeutic alternative, there is a shortage of human evidence, and further studies are required to provide solid basis to justify their use in the treatment of pancreatitis.
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Xiang H, Zhang Q, Qi B, Tao X, Xia S, Song H, Qu J, Shang D. Chinese Herbal Medicines Attenuate Acute Pancreatitis: Pharmacological Activities and Mechanisms. Front Pharmacol 2017; 8:216. [PMID: 28487653 PMCID: PMC5403892 DOI: 10.3389/fphar.2017.00216] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Accepted: 04/06/2017] [Indexed: 12/12/2022] Open
Abstract
Acute pancreatitis (AP) is a commonly occurring gastrointestinal disorder. An increase in the annual incidence of AP has been observed, and it causes acute hospitalization and high mortality. The diagnosis and treatment guidelines for AP recommend conservative medical treatments focused on reducing pancreatic secretion and secondary injury, as a primary therapeutic approach. Unfortunately, the existing treatment options have limited impact on the incidence and severity of AP due to the complex and multifaceted pathological process of this disease. In recent decades, Chinese herbal medicines (CHMs) have been used as efficient therapeutic agents to attenuate AP in Asian countries. Despite early cell culture, animal models, and clinical trials, CHMs are capable of interacting with numerous molecular targets participating in the pathogenesis of AP; however, comprehensive, up-to-date communication in this field is not yet available. This review focuses on the pharmacological activities of CHMs against AP in vitro and in vivo and the underlying mechanisms. A computational prediction of few selected and promising plant-derived molecules (emodin, baicalin, resveratrol, curcumin, ligustrazine, and honokiol) to target numerous proteins or networks involved in AP was initially established based on a network pharmacology simulation. Moreover, we also summarized some potential toxic natural products for pancreas in order to more safe and reasonable medication. These breakthrough findings may have important implications for innovative drug research and the future development of treatments for AP.
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Affiliation(s)
- Hong Xiang
- College (Institute) of Integrative Medicine, Dalian Medical UniversityDalian, China
| | - Qingkai Zhang
- Department of General Surgery, The First Affiliated Hospital of Dalian Medical UniversityDalian, China
| | - Bing Qi
- Department of General Surgery, The First Affiliated Hospital of Dalian Medical UniversityDalian, China
| | - Xufeng Tao
- College of Pharmacy, Dalian Medical UniversityDalian, China
| | - Shilin Xia
- Clinical Laboratory of Integrative Medicine, The First Affiliated Hospital of Dalian Medical UniversityDalian, China
| | - Huiyi Song
- Clinical Laboratory of Integrative Medicine, The First Affiliated Hospital of Dalian Medical UniversityDalian, China
| | - Jialin Qu
- Clinical Laboratory of Integrative Medicine, The First Affiliated Hospital of Dalian Medical UniversityDalian, China
| | - Dong Shang
- College (Institute) of Integrative Medicine, Dalian Medical UniversityDalian, China.,Department of General Surgery, The First Affiliated Hospital of Dalian Medical UniversityDalian, China
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Alonso C, Martí M, Barba C, Carrer V, Rubio L, Coderch L. Skin permeation and antioxidant efficacy of topically applied resveratrol. Arch Dermatol Res 2017; 309:423-431. [PMID: 28389713 DOI: 10.1007/s00403-017-1740-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 03/14/2017] [Accepted: 04/04/2017] [Indexed: 11/26/2022]
Abstract
The permeation of resveratrol was assessed by in vitro and in vivo experiments 24 h after topical administration. The in vitro profile of resveratrol was assessed by Raman spectroscopy. Human skin permeation was analysed in vivo by the tape stripping method with the progressive removal of the stratum corneum layers using adhesive tape strips. Moreover, the free radical scavenging activity of resveratrol after its topical application was determined using the DPPH assay. The Raman spectra indicated that the topically applied resveratrol penetrates deep into the skin. The results showed high amounts of resveratrol in the different stratum corneum layers close to the surface and a constant lower amount in the upper layers of the viable epidermis. The concentration of resveratrol present in the outermost stratum corneum layers was obtained by tape stripping after in vivo application. The results demonstrated that resveratrol mainly remained in the human stratum corneum layers. After topical application, resveratrol maintained its antiradical activity. The antioxidant efficacy of the compound was higher in the inner layers of the stratum corneum. As these results have demonstrated, topically applied resveratrol reinforces the antioxidant system of the stratum corneum and provides an efficient means of increasing the tissue levels of antioxidants in the human epidermis.
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Affiliation(s)
- Cristina Alonso
- Department of Chemicals and Surfactants Technology, Advanced Chemical Institute of Catalonia (IQAC-CSIC), Jordi Girona 18-26, 08034, Barcelona, Spain.
| | - M Martí
- Department of Chemicals and Surfactants Technology, Advanced Chemical Institute of Catalonia (IQAC-CSIC), Jordi Girona 18-26, 08034, Barcelona, Spain
| | - C Barba
- Department of Chemicals and Surfactants Technology, Advanced Chemical Institute of Catalonia (IQAC-CSIC), Jordi Girona 18-26, 08034, Barcelona, Spain
| | - V Carrer
- Department of Chemicals and Surfactants Technology, Advanced Chemical Institute of Catalonia (IQAC-CSIC), Jordi Girona 18-26, 08034, Barcelona, Spain
| | - L Rubio
- Department of Chemicals and Surfactants Technology, Advanced Chemical Institute of Catalonia (IQAC-CSIC), Jordi Girona 18-26, 08034, Barcelona, Spain
| | - L Coderch
- Department of Chemicals and Surfactants Technology, Advanced Chemical Institute of Catalonia (IQAC-CSIC), Jordi Girona 18-26, 08034, Barcelona, Spain
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Anchi P, Khurana A, Bale S, Godugu C. The Role of Plant-derived Products in Pancreatitis: Experimental and Clinical Evidence. Phytother Res 2017; 31:591-623. [DOI: 10.1002/ptr.5792] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2016] [Revised: 02/03/2017] [Accepted: 02/06/2017] [Indexed: 12/13/2022]
Affiliation(s)
- Pratibha Anchi
- Department of Regulatory Toxicology; National Institute of Pharmaceutical Education and Research (NIPER), Balanagar; Hyderabad Telangana India
| | - Amit Khurana
- Department of Regulatory Toxicology; National Institute of Pharmaceutical Education and Research (NIPER), Balanagar; Hyderabad Telangana India
| | - Swarna Bale
- Department of Regulatory Toxicology; National Institute of Pharmaceutical Education and Research (NIPER), Balanagar; Hyderabad Telangana India
| | - Chandraiah Godugu
- Department of Regulatory Toxicology; National Institute of Pharmaceutical Education and Research (NIPER), Balanagar; Hyderabad Telangana India
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Robles L, Vaziri ND, Li S, Masuda Y, Takasu C, Takasu M, Vo K, Farzaneh SH, Stamos MJ, Ichii H. Synthetic Triterpenoid RTA dh404 (CDDO-dhTFEA) Ameliorates Acute Pancreatitis. Pancreas 2016; 45:720-9. [PMID: 26495793 PMCID: PMC5847282 DOI: 10.1097/mpa.0000000000000518] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVES Nuclear factor-erythroid-2-related factor (Nrf2) is a ubiquitous transcriptional factor that regulates expression of cellular antioxidant and detoxifying molecules. This study was undertaken to test the hypothesis that administration of the Nrf2 activator (dh404) may attenuate acute pancreatitis. METHODS Rats were treated with dh404 (1 mg/kg) 24 hours before induction of pancreatitis and for 3 days thereafter. Pancreatitis was induced with L-arginine (600 mg/100 g) or cerulein (40 μg/kg). Pancreases were processed for histology and malondialdehyde, whereas serum was analyzed for amylase. Islet extracted human pancreatic tissue from organ donors were used for in vitro studies. The tissues were incubated with dh404 at 0, 250, and 500 nM for 30 minutes, 60 minutes, 12 hours, and 24 hours. Nuclear factor-erythroid-2-related factor nuclear translocation and expression of Nrf2's target genes and inflammatory mediators were determined. RESULTS The dh404-treated rat pancreases demonstrated significantly less infiltration of inflammatory cells, destruction of acinar architecture, perilobar edema, and necrosis. Serum amylase and pancreatic malondialdehyde in the dh404-treated rats were significantly lower. dh404-treated human pancreatic tissue showed a significantly higher expression of antioxidant enzymes, lower expression of inflammatory mediators, and greater viability against oxidative stress. CONCLUSION Administration of dh404 attenuates acute pancreatitis by lowering oxidative stress and reducing proinflammatory mediators.
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Affiliation(s)
- Lourdes Robles
- From the Departments of Surgery and Medicine, University of California, Irvine, Orange, CA
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Ghadiri Soufi F, Arbabi-Aval E, Rezaei Kanavi M, Ahmadieh H. Anti-inflammatory properties of resveratrol in the retinas of type 2 diabetic rats. Clin Exp Pharmacol Physiol 2015; 42:63-8. [PMID: 25371281 DOI: 10.1111/1440-1681.12326] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2014] [Revised: 10/03/2014] [Accepted: 10/06/2014] [Indexed: 12/21/2022]
Abstract
Resveratrol (trans-3,5,4'-trihydroxystilbene) is a nutritional supplement with anti-inflammatory properties. The present study investigated the long-term anti-inflammatory property of resveratrol in the retinas of type 2 diabetic rats. Male Wistar rats were divided into four groups: normal control, diabetic control, resveratrol-treated normal rats and resveratrol-treated diabetic rats. Type 2 diabetes was induced by a single dose injection of streptozotocin (50 mg/kg; i.p.) 15 min after the administration of nicotinamide (110 mg/kg; i.p.) in 12-h fasted rats (the streptozotocin-nicotinamide type 2 diabetic model). Oral resveratrol administration (5 mg/kg per day for 4 months) significantly improved glucose tolerance, and alleviated hyperglycemia and weight loss in diabetic rats. Furthermore, resveratrol administration significantly decreased the elevated levels of nuclear factor-κB activity, and mRNA expression, tumour necrosis factor alpha level and apoptotic cells in the retinas of the diabetic rats. Furthermore, resveratrol did not significantly affect plasma insulin levels. Long-term resveratrol administration has beneficial anti-inflammatory properties in a rat model of diabetes. However, whether resveratrol exerts its effects directly or through reducing blood glucose levels requires further investigation.
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Affiliation(s)
- Farhad Ghadiri Soufi
- Molecular Medicine Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
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Abstract
OBJECTIVE The aim of this study was to investigate the protective effect of polyenoylphosphatidylcholine (PPC) in rats with severe acute pancreatitis (SAP) and its mechanism. METHODS Seventy-two clean, conventional Sprague-Dawley rats were randomly divided into 4 groups (SAP; sham operation [SO], SAP + PPC, and SO + PPC; n = 18 per group). The SAP model was induced by injecting 4% sodium taurocholate (1 mL/kg) into the biliopancreatic duct. Animals in the SO groups underwent laparotomy and biliopancreatic duct puncture without fluid injection. Polyenoylphosphatidylcholine (50 mg/kg) was injected through the penis dorsal vein. Pancreatic acinar cell membrane fluidity and pancreatic tissue calcium pump activity were measured through fluorescence polarization and quantization of phosphonium ions, whereas pancreatic tissue superoxide dismutase and malondialdehyde were detected through xanthine oxidase method and thiobarbituric acid colorimetric analysis method, respectively. RESULTS The SAP + PPC group had significantly improved pathologic pancreas; increased in pancreatic acinar cell membrane fluidity, pancreatic tissue Ca-Mg-ATPase activity, and superoxide dismutase; as well as decreased in malondialdehyde, ascites volume, and serum amylase compared with the SAP group. CONCLUSIONS Polyenoylphosphatidylcholine could reduce the damage to the pancreas through increasing pancreatic acinar cell membrane fluidity and pancreatic tissue calcium pump activity. Polyenoylphosphatidylcholine also scavenges oxygen free radicals and reduces lipid peroxide levels.
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Wang YF, Wu M, Ma BJ, Cai DA, Yin BB. Role of high mobility group box-1 and protection of growth hormone and somatostatin in severe acute pancreatitis. ACTA ACUST UNITED AC 2014; 47:1075-84. [PMID: 25387675 PMCID: PMC4244674 DOI: 10.1590/1414-431x20143165] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2013] [Accepted: 05/27/2014] [Indexed: 01/24/2023]
Abstract
In this study, we investigated the potential role of high-mobility group box 1
(HMGB1) in severe acute pancreatitis (SAP) and the effects of growth hormone (G) and
somatostatin (S) in SAP rats. The rats were randomly divided into 6 groups of 20
each: sham-operated, SAP, SAP+saline, SAP+G, SAP+S and SAP+G+S. Ileum and pancreas
tissues of rats in each group were evaluated histologically. HMGB1 mRNA expression
was measured by reverse transcription-PCR. Levels of circulating TNF-α, IL-1, IL-6,
and endotoxin were also measured. In the SAP group, interstitial congestion and
edema, inflammatory cell infiltration, and interstitial hemorrhage occurred in ileum
and pancreas tissues. The levels of HMGB1, TNF-α, IL-1, IL-6 and endotoxin were
significantly up-regulated in the SAP group compared with those in the sham-operated
group, and the 7-day survival rate was 0%. In the SAP+G and SAP+S groups, the
inflammatory response of the morphological structures was alleviated, the levels of
HMGB1, TNF-α, IL-1, IL-6, and endotoxin were significantly decreased compared with
those in the SAP group, and the survival rate was increased. Moreover, in the SAP+G+S
group, all histological scores were significantly improved and the survival rate was
significantly higher compared with the SAP group. In conclusion, HMGB1 might
participate in pancreas and ileum injury in SAP. Growth hormone and somatostatin
might play a therapeutic role in the inflammatory response of SAP.
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Affiliation(s)
- Y F Wang
- Department of Surgery, Huashan Hospital, Fudan University, Shanghai, China
| | - M Wu
- Department of Surgery, Jinshan Pavilion Forest Hospital, Shanghai, China
| | - B J Ma
- Department of Surgery, Huashan Hospital, Fudan University, Shanghai, China
| | - D A Cai
- Department of Surgery, Huashan Hospital, Fudan University, Shanghai, China
| | - B B Yin
- Department of Surgery, Huashan Hospital, Fudan University, Shanghai, China
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Robles L, Vaziri ND, Li S, Masuda Y, Takasu C, Takasu M, Vo K, Farzaneh SH, Stamos MJ, Ichii H. Dimethyl fumarate protects pancreatic islet cells and non-endocrine tissue in L-arginine-induced chronic pancreatitis. PLoS One 2014; 9:e107111. [PMID: 25198679 PMCID: PMC4157838 DOI: 10.1371/journal.pone.0107111] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2014] [Accepted: 08/06/2014] [Indexed: 12/12/2022] Open
Abstract
Background Chronic pancreatitis (CP) is a progressive disorder resulting in the destruction and fibrosis of the pancreatic parenchyma which ultimately leads to impairment of the endocrine and exocrine functions. Dimethyl Fumarate (DMF) was recently approved by FDA for treatment of patients with multiple sclerosis. DMF's unique anti-oxidant and anti-inflammatory properties make it an interesting drug to test on other inflammatory conditions. This study was undertaken to determine the effects of DMF on islet cells and non-endocrine tissue in a rodent model of L-Arginine-induced CP. Methods Male Wistar rats fed daily DMF (25 mg/kg) or vehicle by oral gavage were given 5 IP injections of L-Arginine (250 mg/100 g×2, 1 hr apart). Rats were assessed with weights and intra-peritoneal glucose tolerance tests (IPGTT, 2 g/kg). Islets were isolated and assessed for islet mass and viability with flow cytometry. Non-endocrine tissue was assessed for histology, myeloperoxidase (MPO), and lipid peroxidation level (MDA). In vitro assessments included determination of heme oxygenase (HO-1) protein expression by Western blot. Results Weight gain was significantly reduced in untreated CP group at 6 weeks. IPGTT revealed significant impairment in untreated CP group and its restoration with DMF therapy (P <0.05). Untreated CP rats had pancreatic atrophy, severe acinar architectural damage, edema, and fatty infiltration as well as elevated MDA and MPO levels, which were significantly improved by DMF treatment. After islet isolation, the volume of non-endocrine tissue was significantly smaller in untreated CP group. Although islet counts were similar in the two groups, islet viability was significantly reduced in untreated CP group and improved with DMF treatment. In vitro incubation of human pancreatic tissue with DMF significantly increased HO-1 expression. Conclusion Administration of DMF attenuated L-Arginine-induced CP and islet function in rats. DMF treatment could be a possible strategy to improve clinical outcome in patients with CP.
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Affiliation(s)
- Lourdes Robles
- Departments of Surgery and Medicine, University of California Irvine, Irvine, CA, United States of America
| | - Nosratola D. Vaziri
- Departments of Surgery and Medicine, University of California Irvine, Irvine, CA, United States of America
| | - Shiri Li
- Departments of Surgery and Medicine, University of California Irvine, Irvine, CA, United States of America
| | - Yuichi Masuda
- Departments of Surgery and Medicine, University of California Irvine, Irvine, CA, United States of America
| | - Chie Takasu
- Departments of Surgery and Medicine, University of California Irvine, Irvine, CA, United States of America
| | - Mizuki Takasu
- Departments of Surgery and Medicine, University of California Irvine, Irvine, CA, United States of America
| | - Kelly Vo
- Departments of Surgery and Medicine, University of California Irvine, Irvine, CA, United States of America
| | - Seyed H. Farzaneh
- Departments of Surgery and Medicine, University of California Irvine, Irvine, CA, United States of America
| | - Michael J. Stamos
- Departments of Surgery and Medicine, University of California Irvine, Irvine, CA, United States of America
| | - Hirohito Ichii
- Departments of Surgery and Medicine, University of California Irvine, Irvine, CA, United States of America
- * E-mail:
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Effects of melatonin on the oxidative damage and pancreatic antioxidant defenses in cerulein-induced acute pancreatitis in rats. Hepatobiliary Pancreat Dis Int 2014; 13:442-6. [PMID: 25100131 DOI: 10.1016/s1499-3872(14)60271-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
BACKGROUND Oxidative stress is recognized as a pivotal effector of several pathogenic processes, including acute pancreatitis. Reactive oxygen species not just cause damage on the main cellular components, but also influence the expression of antioxidant system genes. Antioxidant molecules, such as melatonin, could be good candidates for the treatment of this multidimensional disease. The present study was to evaluate the chemopreventive effect of melatonin in a rat model of cerulein-induced acute pancreatitis. METHODS Four subcutaneous injections of cerulein (20 μg/kg body weight) were given to Wistar rats at two hours intervals; melatonin was injected intraperitoneally (25 mg/kg body weight) 30 minutes before each injection of cerulein. Lipid peroxidation, protein oxidation (carbonyl groups), total antioxidant status, and glutathione peroxidase activity were determined in pancreatic tissue using commercial kits. RESULTS The chemopreventive administration of melatonin caused a reduction in lipid peroxidation and protein oxidation due to injections of cerulein. Additionally, melatonin treatment was also able to revert glutathione peroxidase activity and total antioxidant status near to control levels, suggesting that melatonin could prevent from oxidative phenomena in the pancreas, such as lipid peroxidation and protein oxidation, and could stimulate, directly or indirectly, the expression of antioxidant enzymes. CONCLUSION Melatonin, a polyvalent antioxidant, protected the pancreatic damage via the decrease of oxidative stress and increase of the activities of antioxidant enzymes in cerulein-induced acute pancreatitis.
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Gulcubuk A, Haktanir D, Cakiris A, Ustek D, Guzel O, Erturk M, Yildirim F, Akyazi I, Cicekci H, Durak MH, Sandikci-Altunatmaz S, Altunatmaz K. The effects of resveratrol on tissue injury, oxidative damage, and pro-inflammatory cytokines in an experimental model of acute pancreatitis. J Physiol Biochem 2014; 70:397-406. [PMID: 24549589 DOI: 10.1007/s13105-014-0317-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2013] [Accepted: 01/22/2014] [Indexed: 01/19/2023]
Abstract
Acute pancreatitis (AP) is an acute inflammatory condition that results from the digestion of pancreatic tissue by its own enzymes released from the acinar cells. The objective of this study was to investigate the effects of resveratrol on oxidative damage, pro-inflammatory cytokines, and tissue injury involved with AP induced in a rat model using sodium taurocholate (n = 60). There were three treatment groups with 20 rats per group. Groups I and II received 3% sodium taurocholate solution, while group III underwent the same surgical procedure yet did not receive sodium taurocholate. In addition, group II received 30 mg/kg resveratrol solution. Rats were sacrificed at 2, 6, 12, and 24 h time points following the induction of AP. Blood and pancreatic tissue samples were collected and subjected to biochemical assays, Western blot assays, and histopathologic evaluations. Resveratrol did not reduce trypsin levels and prevent tissue damage. Resveratrol prevented IκB degradation (except for 6 h) and decreased nuclear factor-κB (NF-κB), activator protein-1 (AP-1) (except for 24 h), and levels of TNF-α, IL-6 (except for 24 h), and iNOS in the pancreatic tissue at all time points (P < 0.05). Serum nitric oxide (NO) levels were reduced as well (P < 0.05). Thus, we concluded that resveratrol did not reduce trypsin levels and did not prevent tissue injury despite the reduction in oxidative damage and pro-inflammatory cytokine levels detected in this model of AP.
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Affiliation(s)
- Ahmet Gulcubuk
- Department of Pathology, Faculty of Veterinary Medicine, Istanbul University, 34320, Avcilar,, Istanbul, Turkey,
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Carrasco C, Holguín-Arévalo MS, Martín-Partido G, Rodríguez AB, Pariente JA. Chemopreventive effects of resveratrol in a rat model of cerulein-induced acute pancreatitis. Mol Cell Biochem 2013; 387:217-25. [PMID: 24234420 DOI: 10.1007/s11010-013-1887-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2013] [Accepted: 11/05/2013] [Indexed: 12/11/2022]
Abstract
In the past decades, a greater understanding of acute pancreatitis has led to improvement in mortality rates. Nevertheless, this disease continues to be a health care system problem due to its economical costs. Future strategies such as antioxidant supplementation could be very promising, regarding to beginning and progression of the disease. For this reason, this study was aimed at assessing the effect of exogenous administration of resveratrol during the induction process of acute pancreatitis caused by the cholecystokinin analog cerulein in rats. Resveratrol pretreatment reduced histological damage induced by cerulein treatment, as well as hyperamylasemia and hyperlipidemia. Altered levels of corticosterone, total antioxidant status, and glutathione peroxidase were significantly reverted to control levels by the administration of resveratrol. Lipid peroxidation was also counteracted; nevertheless, superoxide dismutase enzyme was overexpressed due to resveratrol pretreatment. Related to immune response, resveratrol pretreatment reduced pro-inflammatory cytokine IL-1β levels and increased anti-inflammatory cytokine IL-10 levels. In addition, pretreatment with resveratrol in cerulein-induced pancreatitis rats was able to reverse, at least partially, the abnormal calcium signal induced by treatment with cerulein. In conclusion, this study confirms antioxidant and immunomodulatory properties of resveratrol as chemopreventive in cerulein-induced acute pancreatitis.
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Armstrong JA, Cash N, Soares PMG, Souza MHLP, Sutton R, Criddle DN. Oxidative stress in acute pancreatitis: lost in translation? Free Radic Res 2013; 47:917-33. [PMID: 23952531 DOI: 10.3109/10715762.2013.835046] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Oxidative stress has been implicated in the pathogenesis of acute pancreatitis, a severe and debilitating inflammation of the pancreas that carries a significant mortality, and which imposes a considerable financial burden on the health system due to patient care. Although extensive efforts have been directed towards the elucidation of critical underlying mechanisms and the identification of novel therapeutic targets, the disease remains without a specific therapy. In experimental animal models of acute pancreatitis, increased oxidative stress and decreased antioxidant defences have been observed, changes also detected in patients clinically. However, despite the promise of studies evaluating the effects of antioxidants in these model systems, translation to the clinic has thus far been disappointing. This may reflect many factors involved in the design of both preclinical and clinical evaluations of antioxidant therapy, not least the fact that most experimental studies have focussed on pre-treatment rather than post-injury assessment. This review has examined evidence relating to the involvement of oxidative stress in the pathophysiology of acute pancreatitis, focussing on experimental models and the clinical experience, including the experimental techniques employed and potential of antioxidant therapy.
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Affiliation(s)
- J A Armstrong
- NIHR Liverpool Pancreas Biomedical Research Unit, RLBUHT , Liverpool , UK
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Robles L, Vaziri ND, Ichii H. Role of Oxidative Stress in the Pathogenesis of Pancreatitis: Effect of Antioxidant Therapy. ACTA ACUST UNITED AC 2013; 3:112. [PMID: 24808987 DOI: 10.4172/2165-7092.1000112] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Oxidative stress plays an important role in the pathogenesis of acute pancreatitis. The exact pathogenesis of pancreatitis remains unknown but several mechanisms related to oxidative and inflammatory stress are implicated. It is reasonable to surmise that antioxidants would play a protective role in ameliorating the deleterious effects of pancreatitis. We have a wealth of data from animal models that reveal a positive correlation between antioxidant drugs and improved outcomes in experimental pancreatitis. Human clinical trials with antioxidants however, have disclosed conflicting results. We review the existing pathogenesis of pancreatitis related to oxidative stress and provide of a review of current trials with antioxidant therapy.
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Affiliation(s)
- Lourdes Robles
- Departments of Surgery and Medicine, University of California, Irvine, USA
| | - Nosratola D Vaziri
- Departments of Surgery and Medicine, University of California, Irvine, USA
| | - Hirohito Ichii
- Departments of Surgery and Medicine, University of California, Irvine, USA
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Esrefoglu M. Experimental and clinical evidence of antioxidant therapy in acute pancreatitis. World J Gastroenterol 2012; 18:5533-41. [PMID: 23112545 PMCID: PMC3482639 DOI: 10.3748/wjg.v18.i39.5533] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2012] [Revised: 06/13/2012] [Accepted: 06/28/2012] [Indexed: 02/06/2023] Open
Abstract
Oxidative stress has been shown to play an important role in the pathogenesis of acute pancreatitis (AP). Antioxidants, alone or in combination with conventional therapy, should improve oxidative-stress-induced organ damage and therefore accelerate the rate of recovery. In recent years, substantial amounts of data about the efficiency of antioxidants against oxidative damage have been obtained from experiments with rodents. Some of these antioxidants have been found beneficial in the treatment of AP in humans; however, at present there is insufficient clinical data to support the benefits of antioxidants, alone or in combination with conventional therapy, in the management of AP in humans. Conflicting results obtained from experimental animals and humans may represent distinct pathophysiological mechanisms mediating tissue injury in different species. Further detailed studies should be done to clarify the exact mechanisms of tissue injury in human AP. Herein I tried to review the existing experimental and clinical studies on AP in order to determine the efficiency of antioxidants. The use of antioxidant enriched nutrition is a potential direction of clinical research in AP given the lack of clues about the efficiency and safety of antioxidant usage in patients with AP.
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Resveratrol regulates antioxidant status, inhibits cytokine expression and restricts apoptosis in carbon tetrachloride induced rat hepatic injury. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2011; 2011:703676. [PMID: 22013498 PMCID: PMC3195554 DOI: 10.1155/2011/703676] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2011] [Revised: 07/06/2011] [Accepted: 07/07/2011] [Indexed: 12/12/2022]
Abstract
Recent studies indicate the chemopreventive role of resveratrol in many animal models like ischemia, rheumatoid arthritis, human cancer, and diabetes. The present study was designed to investigate the chemopreventive potential of resveratrol in rat hepatic injury model by carbon tetrachloride. Male Wistar rats were treated with carbon tetrachloride (0.4 g/kg body weight) intraperitoneally daily for 8 weeks. Resveratrol (100 mg/kg, 200 mg/kg body weight) was given orally from first day until the last day of experiment. The investigation assesses the effect of resveratrol on morphological, oxidative status, histopathological, immunohistochemical, and apoptotic analysis in carbon tetrachloride-challenged liver tissue. The study indicated that the inflammatory cytokines TNF-α and IL-6 were profoundly expressed in experimental rats, whereas resveratrol decreases the immunopositivity of TNF-α and IL-6 and restored the altered architectural structure of challenged hepatic tissue. Resveratrol also protects liver cells by suppressing oxidative stress and apoptosis.
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Zhang H, Cai CZ, Zhang XQ, Li T, Jia XY, Li BL, Song L, Ma XJ. Breviscapine attenuates acute pancreatitis by inhibiting expression of PKCα and NF-κB in pancreas. World J Gastroenterol 2011; 17:1825-30. [PMID: 21528054 PMCID: PMC3080716 DOI: 10.3748/wjg.v17.i14.1825] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2010] [Revised: 01/11/2011] [Accepted: 01/18/2011] [Indexed: 02/06/2023] Open
Abstract
AIM: To study the effect of breviscapine (Bre) on activity of protein kinase Cα (PKCα) and nuclear factor (NF)-κB in pancreas, and the mechanism of Bre attenuating acute pancreatitis (AP).
METHODS: One hundred and eight rats were randomly divided into acute necrotizing pancreatitis (ANP) group, Bre group (ANP + Bre group) and sham operation (SO) group, 36 rats in each group. ANP model was induced by a retrograde injection of 4% sodium deoxycholate into the bilio-pancreatic duct. Fifteen minutes after the ANP model was induced, the rats in Bre group were intraperitoneally injected with Bre (0.4 mg/100 g body weight or 0.1 mL/100 g body weight). Survival time and mortality of rats were calculated. Serum amylase and malondialdehyde levels were measured, volume of ascites was recorded and morphology of pancreas and lung was evaluated at 1, 5 and 10 h, after the ANP model was induced, respectively. Expressions of PKCα and subunit p65 of NF-κB in pancreas were detected by immunohistochemistry and Western blotting.
RESULTS: The life span of rats was longer and the mortality was lower in Bre group than in ANP group 13.51 ±5.46 vs 25.36 ± 8.11 (P < 0.05). The amylase and MDA levels as well as the volume of ascites were lower and the pathological changes in pancreas and lung were less in Bre group than ANP group (P < 0.05), indicating that the pancreatitis is less severe in Bre group than ANP group. The activation of PKCα and NF-κB p65 in pancreas was induced rapidly and reached their peak at 1 h or 5 h after ANP, but their activity in Bre group was significantly inhibited.
CONCLUSION: Bre exerts its therapeutic effect on AP by inhibiting the activation of PKCα and NF-κB p65 in pancreas.
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Ma Q, Zhang M, Wang Z, Ma Z, Sha H. The beneficial effect of resveratrol on severe acute pancreatitis. Ann N Y Acad Sci 2011; 1215:96-102. [PMID: 21261646 DOI: 10.1111/j.1749-6632.2010.05847.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Acute pancreatitis is a common kind of acute abdominal disease. The management of severe acute pancreatitis (SAP) is a challenge because of its high morbidity, which is due to systemic inflammatory response syndrome and multiorgan dysfunction syndrome. Therefore, it is important to explore therapies to control the disease's progression. A series of in vivo and in vitro experiments has demonstrated that resveratrol-an extract from Chinese herbs, grapes, and many plants-exhibits a wide range of biological and pharmacological activities, including anti-inflammatory, antioxidation, and chemopreventive effects, as well as the inhibition of platelet aggregation, which could benefit the treatment of SAP. Here, we examine the possible mechanism of resveratrol in treating the progression of SAP. Resveratrol could inhibit the production and progression of SAP through down-regulating pro-inflammatory cytokines, improving microcirculation, modulating cell apoptosis, and blocking calcium overload. We propose that resveratrol has a potentially therapeutic effect on the progression of SAP.
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Affiliation(s)
- Qingyong Ma
- Department of Hepatobiliary and Pancreas Surgery, First Affiliated Hospital of Xi'an Jiaotong University, China.
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Abstract
PURPOSE OF REVIEW This review presents new evidence on the role of oxidative stress and antioxidant status in acute and chronic pancreatitis published in the last year. RECENT FINDINGS In-vitro studies showed that protein phosphatases may play an important role in the interaction between reactive oxygen species and proinflammatory cytokines in acute pancreatitis. In-vivo studies found that several natural compounds ameliorate oxidative stress and, therefore, have therapeutic potential. In the domain of clinical studies, the major development is the first double-blind placebo-controlled randomized trial that showed effectiveness of oral antioxidant supplementation (organic selenium, ascorbic acid, alpha-tocopherol, beta-carotene, and methionine) in relieving pain in patients with chronic pancreatitis. The developments in clinical studies on acute pancreatitis are less spectacular and mainly limited to evaluation of different markers of oxidative stress and antioxidant status in the course of disease. SUMMARY A significant advance has been made in the arena of research in chronic, but not acute, pancreatitis. There is now solid evidence to justify the use of oral antioxidants in the treatment of patients with chronic pancreatitis. The progress in clinical research on antioxidants in acute pancreatitis is hampered by several factors, including suboptimal classification of acute pancreatitis and route of administration used in previous studies.
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Affiliation(s)
- Maxim S Petrov
- Department of Surgery, The University of Auckland, Private Bag 92019, Auckalnd 1142, New Zealand.
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Palsamy P, Subramanian S. Ameliorative potential of resveratrol on proinflammatory cytokines, hyperglycemia mediated oxidative stress, and pancreatic beta-cell dysfunction in streptozotocin-nicotinamide-induced diabetic rats. J Cell Physiol 2010; 224:423-32. [PMID: 20333650 DOI: 10.1002/jcp.22138] [Citation(s) in RCA: 134] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Chronic exposure of pancreatic beta-cells to supraphysiologic glucose causes adverse beta-cell dysfunction. Thus, the present study was aimed to investigate the hypothesis that oral administration of resveratrol attenuates hyperglycemia, proinflammatory cytokines and antioxidant competence and protects beta-cell ultrastructure in streptozotocin-nicotinamide-induced diabetic rats. Oral administration of resveratrol (5 mg/kg body weight) to diabetic rats for 30 days showed a significant decline in the levels of blood glucose, glycosylated hemoglobin (HbA1c), TNF-alpha, IL-1beta, IL-6, NF-kappaB p65 unit and nitric oxide (NO) with concomitant elevation in plasma insulin. Further, resveratrol treated diabetic rats elicited a notable attenuation in the levels of lipid peroxides, hydroperoxides and protein carbonyls in both plasma and pancreatic tissues. The diminished activities of pancreatic superoxide dismutase (SOD), catalase, glutathione peroxidase (GPx) and glutathione-S-transferase (GST) as well as the decreased levels of plasma ceruloplasmin, vitamin C, vitamin E and reduced glutathione (GSH) in diabetic rats were reverted to near normalcy by resveratrol administration. Based on histological and ultrastructural observations, it is first-time reported that the oral administration of resveratrol may effectively rescue beta-cells from oxidative damage without affecting their function and structural integrity. The results of the present investigation demonstrated that resveratrol exhibits significant antidiabetic potential by attenuating hyperglycemia, enhancing insulin secretion and antioxidant competence in pancreatic beta-cells of diabetic rats.
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Affiliation(s)
- P Palsamy
- Department of Biochemistry, University of Madras, Guindy Campus, Chennai, Tamilnadu, India
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Szkudelska K, Szkudelski T. Resveratrol, obesity and diabetes. Eur J Pharmacol 2010; 635:1-8. [DOI: 10.1016/j.ejphar.2010.02.054] [Citation(s) in RCA: 230] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2009] [Revised: 02/17/2010] [Accepted: 02/24/2010] [Indexed: 02/07/2023]
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Beer and its non-alcoholic compounds: role in pancreatic exocrine secretion, alcoholic pancreatitis and pancreatic carcinoma. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2010; 7:1093-104. [PMID: 20617020 PMCID: PMC2872306 DOI: 10.3390/ijerph7031093] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/08/2010] [Revised: 03/02/2010] [Accepted: 03/09/2010] [Indexed: 02/08/2023]
Abstract
In this article we provide an overview of the newest data concerning the effect of non-alcoholic constituents of alcoholic beverages, especially of beer, on pancreatic secretion, and their possible role in alcoholic pancreatitis and pancreatic carcinoma. The data indicate that non-alcoholic constituents of beer stimulate pancreatic enzyme secretion in humans and rats, at least in part, by direct action on pancreatic acinar cells. Some non-alcoholic compounds of beer, such as quercetin, resveratrol, ellagic acid or catechins, have been shown to be protective against experimentally induced pancreatitis by inhibiting pancreatic secretion, stellate cell activation or by reducing oxidative stress. Quercetin, ellagic acid and resveratrol also show anti-carcinogenic potential in vitro and in vivo. However, beer contains many more non-alcoholic ingredients. Their relevance in beer-induced functional alterations of pancreatic cells leading to pancreatitis and pancreatic cancer in humans needs to be further evaluated.
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Yildiz F, Terzi A, Coban S, Celik H, Aksoy N, Bitiren M, Cakir H, Ozdogan MK. Protective effects of resveratrol on small intestines against intestinal ischemia-reperfusion injury in rats. J Gastroenterol Hepatol 2009; 24:1781-5. [PMID: 19780884 DOI: 10.1111/j.1440-1746.2009.05945.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
BACKGROUND AND AIM The aim of this study was to determine whether resveratrol could prevent intestinal tissue injury induced by ischemia-reperfusion (I/R). METHODS Intestinal I/R was induced in rats' intestines by 60-min occlusion of the superior mesenteric artery, followed by a 60-min reperfusion. Thirty rats were divided into three groups as follows: sham (group 1), control (group 2), and the treatment groups (group 3). The rats in the treatment group received resveratrol both before ischemia and before reperfusion. In all groups, serum aspartate aminotransferase, alanine aminotransferase, and lactate dehydrogenase levels were determined. Total antioxidant capacity (TAC), catalase, total oxidative status (TOS), oxidative stress index (OSI), and myeloperoxidase (MPO) in the intestinal tissue were measured. Intestinal tissue histopathology was also evaluated by light microscopy. RESULTS The levels of liver enzymes in group 3 were significantly lower than those in group 2 (P < 0.05). TAC in the intestinal tissue was significantly higher in group 3 than in group 2 (P < 0.05). TOS, OSI, and MPO in the intestinal tissue were significantly lower in group 3 than in group 2 (P < 0.05 for all). Histological tissue damage was milder in the resveratrol treatment group than in the control group. CONCLUSIONS The results of this study indicated that resveratrol treatment limits the oxidative injury of the small intestine induced by I/R in rats. However, more precise investigations are required to evaluate the antioxidative effect of resveratrol on small intestine tissue damage in clinical and experimental models.
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Affiliation(s)
- Fahrettin Yildiz
- Department of General Surgery, Harran University Medical Faculty, Sanliurfa, Gaziantep, Turkey.
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Sha H, Ma Q, Jha RK, Wang Z. Resveratrol ameliorates lung injury via inhibition of apoptosis in rats with severe acute pancreatitis. Exp Lung Res 2009; 35:344-58. [PMID: 19415550 DOI: 10.1080/01902140902718197] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The objective of this study was to evaluate the protective effects of resveratrol on lung injury in rats with severe acute pancreatitis. Ninety-six male Sprague-Dawley rats were randomly classified into 4 equal groups (n = 24): control, model, resveratrol-treated, and dexamethasone-treated. The rats were evaluated at 3, 6, and 12 hours after induction of pancreatitis. The following were assessed: P(a)O(2)by arterial blood gas analysis; pancreatic and lung injury by histology; and ultrastructure of lung tissue by transmission electron microscopy. The authors investigated mitochondrial cytochrome c release and evaluated the Bax, Bcl-2, and caspase-3 expression levels in lung tissue over the time course of apoptosis. Changes in lung cell mitochondrial membrane potential were evaluated by confocal laser scanning microscopy. In the model group, lung congestion, edema, inflammatory-cell infiltration, mitochondrial swelling, and cell apoptosis were apparent. In the resveratrol and dexamethasone groups, the morphological changes of the lungs were alleviated. The expression level of Bcl-2 was significantly higher and those of Bax, caspase-3, and cytochrome c were significantly lesser in the resveratrol group than in the model group. Apoptosis is involved in lung injury associated with severe acute pancreatitis, and resveratrol can ameliorate this injury, thus protecting lung function in rats with severe acute pancreatitis.
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Affiliation(s)
- Huanchen Sha
- Department of Hepatobiliary Surgery, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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Effects of Salvia miltiorrhiza on intercellular adhesion molecule 1 protein expression in the lungs of rats with severe acute pancreatitis or obstructive jaundice. Pancreas 2009; 38:309-17. [PMID: 19034056 DOI: 10.1097/mpa.0b013e31818f6bea] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
OBJECTIVE The objective of the study was to observe the effects of Salvia miltiorrhiza on intercellular adhesion molecule 1 (ICAM-1) protein expression in the lungs of rats with severe acute pancreatitis (SAP) or obstructive jaundice (OJ). METHODS A total of 288 rats were used for SAP- and OJ-associated experiments. The rats were randomly divided into sham-operated, model control, and treated group. According to the difference of time points after operation, the SAP rats of each group were subdivided into 3-, 6-, and 12-hour groups, whereas the OJ rats were divided into 7-, 14-, 21-, and 28-day groups. The contents of interleukin (IL) 6, IL-18, nitric oxide, malondialdehyde, and superoxide dismutase in serum were determined, and pathological changes and ICAM-1 protein expression in the lungs were observed. RESULTS Compared with the respective model control groups, in treated groups of SAP and OJ rats, the numbers of dead rats declined; serum superoxide dismutase content significantly increased, and serum IL-18, IL-6, and malondialdehyde contents were significantly decreased; the positive staining intensity of ICAM-1 protein in the lungs decreased significantly (P < 0.05, P < 0.01, or P < 0.001); and pathological changes in the lungs were relieved. CONCLUSIONS Salvia miltiorrhiza plays a positive role in the protection of the lungs of SAP and OJ rats.
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Wang L, Ma Q, Chen X, Sha H, Ma Z. Effects of resveratrol on calcium regulation in rats with severe acute pancreatitis. Eur J Pharmacol 2007; 580:271-6. [PMID: 18031730 DOI: 10.1016/j.ejphar.2007.10.068] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2007] [Revised: 10/08/2007] [Accepted: 10/22/2007] [Indexed: 10/22/2022]
Abstract
Intracellular calcium overload plays a key role in severe acute pancreatitis. Resveratrol can decrease the severity of pancreatitis; however, the mechanism of action of resveratrol has not been determined. The aim of our study was to examine the relationship between calcium overload and the effects of resveratrol in severe acute pancreatitis. Animals were randomly divided into 3 groups: control group (sham operation), model group (0.1 ml/100 g of 3.5% sodium taurocholate used to induce severe acute pancreatitis), and treated group (treated with resveratrol, 10 mg/kg). In model group, the severity of pancreatitis was aggravated; this was evaluated by pancreatic weight/body weight and lung weight/body weight ratios, serum amylase activities, and pancreatic histopathological scoring; the Ca(2+)-Mg(2+)-ATPase and Ca(2+)-ATPase activities decreased while PLA(2) activity and [Ca(2+)](i) increased gradually with time. Compared to the control group, in the model group, these changes were observed in the pancreatic tissue at the 3 h time point and in the lung tissue at the 6 h time point. Resveratrol ameliorated the changes in the laboratory parameters and significantly reduced the pathological damage in the tissues at the corresponding time points. In conclusion, intracellular calcium overload leads to tissue damage in severe acute pancreatitis, and the beneficial effects of resveratrol appear to be mediated by reducing the intracellular calcium overload; this not only limits pancreatic cellular injury but also secondary lung injury.
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Affiliation(s)
- Liancai Wang
- Department of Hepatobiliary Surgery, First Hospital of Xi'an Jiaotong University, 1 Jiankang Road, Xi'an, 710061, Shaanxi Province, China
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Szkudelski T. Resveratrol-induced inhibition of insulin secretion from rat pancreatic islets: evidence for pivotal role of metabolic disturbances. Am J Physiol Endocrinol Metab 2007; 293:E901-7. [PMID: 17578889 DOI: 10.1152/ajpendo.00564.2006] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Resveratrol is a stilbene present in different plant species and exerting numerous beneficial effects, including prevention of diabetes and attenuation of some diabetic complications. Its inhibitory effect on insulin secretion was recently documented, but the exact mechanism underlying this action remains unknown. Experiments employing diazoxide and a high concentration of K(+) revealed that, in depolarized pancreatic islets incubated for 90 min with resveratrol (1, 10, and 100 microM), insulin secretion stimulated by glucose and leucine was impaired. The attenuation of the insulin secretory response to 6.7 mM glucose was not abrogated by blockade of intracellular estrogen receptors and was found to be accompanied by diminished islet glucose oxidation, enhanced lactate production, and reduced ATP levels. Glucose-induced hyperpolarization of the mitochondrial membrane was also reduced in the presence of resveratrol. Moreover, in depolarized islets incubated with 2.8 mM glucose, activation of protein kinase C or protein kinase A potentiated insulin release; however, under these conditions, resveratrol was ineffective. Further studies also revealed that, under conditions of blocked voltage-dependent calcium channels, the stilbene reduced insulin secretion induced by a combination of glucose with forskolin. These data demonstrate that resveratrol 1) inhibits the amplifying pathway of insulin secretion, 2) exerts an insulin-suppressive effect independently of its estrogenic/anti-estrogenic activity, 3) shifts islet glucose metabolism from mitochondrial oxidation to anaerobic,4) fails to abrogate insulin release promoted without metabolic events, and 5) does not suppress hormone secretion as a result of the direct inhibition of Ca(2+) influx through voltage-dependent calcium channels.
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Affiliation(s)
- Tomasz Szkudelski
- Dept. of Animal Physiology and Biochemistry, August Cieszkowski Univ. of Agriculture, 60-637 Wolynska 35, Poznan, Poland.
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Szabolcs A, Tiszlavicz L, Kaszaki J, Pósa A, Berkó A, Varga IS, Boros I, Szüts V, Lonovics J, Takács T. Zerumbone exerts a beneficial effect on inflammatory parameters of cholecystokinin octapeptide-induced experimental pancreatitis but fails to improve histology. Pancreas 2007; 35:249-55. [PMID: 17895846 DOI: 10.1097/mpa.0b013e318070d791] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVE Our experiments were designed to investigate the effects of zerumbone pretreatment on cholecystokinin octapeptide (CCK-8)-induced acute pancreatitis in rats. METHODS Male Wistar rats weighing 240 to 280 g were divided into a control group, a group treated with CCK-8, a group receiving 20 mg/kg zerumbone before CCK-8 administration, and a group treated with zerumbone only. RESULTS The serum amylase and lipase activities and the pancreatic weight-body weight ratio were significantly reduced by zerumbone pretreatment, but the drug failed to influence the histological parameters of pancreatitis. The anti-inflammatory effects of the drug were manifested in decreases in the cytosolic interleukin 6 and tumor necrosis factor alpha concentrations and an elevation in the I-kappaB concentration, whereas the antioxidant ability of zerumbone was demonstrated by reductions in inducible nitric oxide synthase, Mn- and Cu/Zn-superoxide dismutase activities in the zerumbone-treated rats. CONCLUSION Zerumbone ameliorated the changes of several parameters of acute pancreatitis probably by interfering with I-kappaB degradation, but in the applied dose, it failed to influence the histology of the disease.
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Zhang G, Flach CR, Mendelsohn R. Tracking the dephosphorylation of resveratrol triphosphate in skin by confocal Raman microscopy. J Control Release 2007; 123:141-7. [PMID: 17826862 PMCID: PMC2096630 DOI: 10.1016/j.jconrel.2007.08.001] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2007] [Revised: 07/18/2007] [Accepted: 08/02/2007] [Indexed: 11/24/2022]
Abstract
Polyphenolic resveratrol has been identified as a potent antioxidant acting as both a free radical scavenger and an inhibitor of enzyme oxidative activity. However, the reactive propensity of resveratrol also limits its use in topical formulations. A transient derivative of resveratrol, resveratrol triphosphate, has been designed to provide a means for the delayed delivery of the active compound in skin tissue where endogenous enzymes capable of dephosphorylation reside. Confocal Raman microscopy studies of intact pigskin biopsies treated with modified resveratrol provided information about the spatial distribution and time-dependence of permeation and conversion to the native active form. Conversion to the active form was not observed when skin samples were exposed to steam, a procedure that likely inactivates endogenous skin enzymes. In addition, treatment with the triphosphate compared to the parent compound revealed a more homogeneous distribution of resveratrol throughout the stratum corneum and viable epidermis when the former was applied. Thus, the bioavailability of resveratrol in the epidermis appears to be enhanced upon application of the pro-molecule compared to resveratrol.
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Affiliation(s)
| | - Carol R. Flach
- Corresponding author: Tel.:973-353-1330; Fax: 973-353-1264; e-mail:
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Abstract
Over the past 30 years the role of alcohol (ethanol) in the development of acute and chronic pancreatitis has been intensively investigated. However, ethanol is generally consumed in form of alcoholic beverages which contain numerous non-alcoholic compounds. At least on gastric acid secretion it has been convincingly demonstrated that alcohol and alcoholic beverages have markedly different effects. In the present article, we provide an overview about the effect of different non-alcoholic constituents of alcoholic beverages on the pancreas and their possible interaction with molecular mechanisms leading to 'alcoholic' pancreatitis. The present data indicate that pancreatic enzyme secretion in humans is stimulated by non-alcoholic constituents of beer which are generated by alcoholic fermentation of glucose. In addition, it has been shown that natural phenolic compounds (e.g. quercetin, resveratrol) of alcoholic beverages exert different effects on the pancreasin vitro, such as inhibition of pancreatic enzyme output, of pancreatic stellate cell activation and of pancreatic cancer growth as well as protective effects against oxidative stress and on experimental induced acute pancreatitis in rats. However, it should be pointed out that alcoholic beverages contain much more non-alcoholic ingredients. Since the effects of these are still unknown, caution is required in attempting to define alcoholic etiology of pancreatitis without considering the effect of non-alcoholic compounds of alcoholic beverages.
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Affiliation(s)
| | | | - Manfred V. Singer
- *Manfred V. Singer, MD, Department of Medicine II, (Gastroenterology, Hepatology and Infectious Diseases), University Hospital of Heidelberg at Mannheim, Theodor-Kutzer-Ufer 1–3, DE–68135 Mannheim (Germany), Tel. +49 621 383 3284, Fax +49 621 383 3805 E-Mail
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Sehirli O, Sakarcan A, Velioğlu-Oğünç A, Cetinel S, Gedik N, Yeğen BC, Sener G. Resveratrol improves ifosfamide-induced Fanconi syndrome in rats. Toxicol Appl Pharmacol 2007; 222:33-41. [PMID: 17481685 DOI: 10.1016/j.taap.2007.03.025] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2006] [Revised: 02/01/2007] [Accepted: 03/08/2007] [Indexed: 11/21/2022]
Abstract
Regarding the mechanisms of ifosfamide (IFO)-induced urinary toxicity, several hypotheses have been put forward, among which oxidative stress and depletion of glutathione are suggested. This investigation elucidates the role of free radicals in IFO-induced toxicity and the protection by resveratrol, a natural phytoalexin. Wistar albino rats were injected intraperioneally with saline (0.9% NaCl; control), saline+resveratrol (RVT; 10 mg/kg/day), ifosfamide (IFO; 50 mg/kg/day) or IFO+RVT for 5 days. Urine was collected for 24 h during the 5th day, and at the 120th h after the first injections, animals were killed by decapitation and trunk blood was collected. Lactate dehydrogenase (LDH) activity, total antioxidant capacity (AOC) and pro-inflammatory cytokines TNF-alpha, IL-beta and IL-6 were assayed in plasma samples. Kidney and bladder tissues were obtained for biochemical and histological analysis. Formation of reactive oxygen species in the tissue samples was monitored by using chemiluminescence (CL) technique with luminol and lucigenin probes. The results demonstrated that IFO induced a Fanconi syndrome characterized by increased urinary sodium, phosphate, glucose and protein, along with increased serum creatinine and urea levels. On the other hand, RVT markedly ameliorated the severity of renal dysfunction induced by IFO. Furthermore IFO caused a significant decrease in plasma AOC, which was accompanied with significant increases in the levels of the pro-inflammatory mediators and LDH activity, while RVT treatment reversed all these biochemical indices. In the saline-treated IFO group, glutathione levels were decreased significantly, while the malondialdehyde levels, myeloperoxidase activity and collagen content were increased in both tissues, which were in parallel with the increases in CL values. In the RVT-treated IFO group, all of these oxidant responses were prevented significantly. Our results suggest that IFO causes oxidative damage in the renal and bladder tissues and resveratrol, via its antioxidant effects, protects these tissues. Therefore, its therapeutic role in preventing the development of chemotherapeutic drug-induced major toxicity in the urinary system requires further elucidation.
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Affiliation(s)
- Ozer Sehirli
- Marmara University, School of Pharmacy, Department of Pharmacology, Tibbiye Cad. 34668 Istanbul, Turkey
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Shapiro H, Singer P, Halpern Z, Bruck R. Polyphenols in the treatment of inflammatory bowel disease and acute pancreatitis. Gut 2007; 56:426-35. [PMID: 16931577 PMCID: PMC1856830 DOI: 10.1136/gut.2006.094599] [Citation(s) in RCA: 90] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Haim Shapiro
- Gastroenterology Institute, Tel Aviv Sourasky Medical Center, Weizmann 6, Tel Aviv, Israel
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Zhang XP, Zhang L, He JX, Zhang RP, Cheng QH, Zhou YF, Lu B. Experimental study of therapeutic efficacy of Baicalin in rats with severe acute pancreatitis. World J Gastroenterol 2007; 13:717-24. [PMID: 17278194 PMCID: PMC4066004 DOI: 10.3748/wjg.v13.i5.717] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To observe the therapeutic efficacy of Baicalin in rats with severe acute pancreatitis (SAP) and explore its therapeutic mechanisms.
METHODS: The SAP rat models were randomly divided into the model control group, Baicalin treatment group, octreotide treatment group and sham operation group. All groups were randomly subdivided into 3 h, 6 h and 12 h groups with 15 rats in each group. The survival, ascites volume and pathological changes of pancreas in all rats were observed at different time points after operation. The plasma amylase content and serum TNF-α, IL-6, malonaldehyde (MDA) and PLA2 contents were also determined.
RESULTS: The survival was not obviously different between the treated groups, and was significantly higher in treated groups at 12 h compared to the model control group (P < 0.05, 15 vs 10). The ascites/body weight ratio at 3 h and 6 h was significantly lower in Baicalin treatment group compared to the model control group and octreotide treatment group (P < 0.05, 1.00 vs 2.02 and 1.43 and P < 0.001, 2.29 (1.21) vs 2.70 (0.80) and 2.08 (2.21), respectively). The contents of amylase, TNF-α, IL-6, MDA and PLA2 were significantly lower in the treated groups than in the model control group (P < 0.05, 4342 vs 5303, 5058 vs 6272 in amylase, P < 0.01, 21.90 vs 36.30, 23.80 vs 39.70, 36 vs 54.35 in MDA and 56.25 vs 76.10 in PlA2, or P < 0.001, 65.10 and 47.60 vs 92.15 in TNF-α, 3.03 vs 5.44, 2.88 vs 6.82, 2.83 vs 5.36 in IL-6, respectively). The pathological scores of pancreas in the treated groups were significantly lower than that in the model control group (P < 0.05, 9.00 vs 10.05, 6.00 vs 9.00, 8.00 vs 10.05), but no marked difference was found between the treated groups.
CONCLUSION: The Baicalin injection has significant therapeutic effects on SAP rats, its effects are similar to those of octreotide. The Baicalin injection is also cheap and has a big application range, quite hopefully to be used in clinical treatment of SAP.
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Affiliation(s)
- Xi-Ping Zhang
- Department of General Surgery, Hangzhou First People's Hospital, 261 Huansha Road, Hangzhou 310006, Zhejiang Province, China.
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Abstract
Acute pancreatitis (AP) is characterized by edema, acinar cell necrosis, hemorrhage, and severe inflammation of the pancreas. Patients with AP present with elevated blood and urine levels of pancreatic digestive enzymes, such as amylase and lipase. Severe AP may lead to systemic inflammatory response syndrome and multiorgan dysfunction syndrome, which account for the high mortality rate of AP. Although most (>80%) cases of AP are associated with gallstones and alcoholism, some are idiopathic. Although the pathogenesis of AP has not yet been elucidated, a common feature is the premature activation of trypsinogen within pancreatic tissues, which triggers autodigestion of the gland. Recent advances in basic research suggest that etiologic factors including cyclooxygenase-2, substance P, and angiotensin II may have novel roles in this disease. Basic research data obtained thus far have been based on animal models of AP ranging from mild edematous pancreatitis to severe necrotizing pancreatitis. In view of this, an adequate selection of experimental animal models is of paramount importance. Notwithstanding these animal models, it should be emphasized that none of these models mimic the clinical situation where varying degrees of severity usually occur. In this review, commonly used animal models of AP will be critically evaluated. A discussion of recent advances in our knowledge about AP risk factors is also included.
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Affiliation(s)
- Yuk Cheung Chan
- Department of Physiology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong
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Abstract
PURPOSE OF REVIEW This review presents advances in our understanding of the pathobiologic responses of acute pancreatitis from studies using animal models of experimental pancreatitis as well as results of key clinical trials and observations. RECENT FINDINGS The reports during the past year show significant advances in our understanding of the pathobiology of acute pancreatitis. In particular, there are findings presented that are relevant to our further understanding of pancreatic intracellular digestive enzyme activation; the pancreatic inflammatory response; and cell death responses such as necrosis as apoptosis. Other reports add to understanding of the control of microcirculatory disturbances in acute pancreatitis, and of the role of the pancreatic neural system in regulating the microcirculation as well as the pain associated with the disorder. Finally, there are clinical trials showing benefits of enteral feeding on outcome of acute pancreatitis as well as the finding that diclofenac prevents endoscopic retrograde cholangiopancreatography-induced pancreatitis. SUMMARY Our understanding of the mechanistic processes that mediate the pathobiologic responses of pancreatitis is rapidly evolving. In addition, we now have initial evidence for potential treatment strategies for this disorder. Testing treatment strategies will lead to improved therapies and outcomes for patients with acute pancreatitis.
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Affiliation(s)
- Stephen J Pandol
- VA Greater Los Angeles Healthcare System, West Los Angeles Healthcare Center, Building 258 Room 340, 11301 Wilshire Boulevard, Los Angeles, CA 90073, USA.
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