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Kansakar U, Trimarco V, Manzi MV, Cervi E, Mone P, Santulli G. Exploring the Therapeutic Potential of Bromelain: Applications, Benefits, and Mechanisms. Nutrients 2024; 16:2060. [PMID: 38999808 PMCID: PMC11243481 DOI: 10.3390/nu16132060] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 06/17/2024] [Accepted: 06/22/2024] [Indexed: 07/14/2024] Open
Abstract
Bromelain is a mixture of proteolytic enzymes primarily extracted from the fruit and stem of the pineapple plant (Ananas comosus). It has a long history of traditional medicinal use in various cultures, particularly in Central and South America, where pineapple is native. This systematic review will delve into the history, structure, chemical properties, and medical indications of bromelain. Bromelain was first isolated and described in the late 19th century by researchers in Europe, who identified its proteolytic properties. Since then, bromelain has gained recognition in both traditional and modern medicine for its potential therapeutic effects.
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Affiliation(s)
- Urna Kansakar
- Department of Medicine, Division of Cardiology, Wilf Family Cardiovascular Research Institute, Fleischer Institute for Diabetes and Metabolism (FIDAM), Albert Einstein College of Medicine, New York, NY 10461, USA
| | - Valentina Trimarco
- Department of Neuroscience, Reproductive Sciences and Dentistry, Federico II University, 80131 Naples, Italy
| | - Maria V. Manzi
- Department of Advanced Biomedical Sciences, Federico II University Hospital, 80131 Naples, Italy
| | - Edoardo Cervi
- Vein Clinic, University of Brescia, 25100 Brescia, Italy
| | - Pasquale Mone
- Department of Medicine, Division of Cardiology, Wilf Family Cardiovascular Research Institute, Fleischer Institute for Diabetes and Metabolism (FIDAM), Albert Einstein College of Medicine, New York, NY 10461, USA
- Department of Medicine and Health Sciences “Vincenzo Tiberio”, University of Molise, 86100 Campobasso, Italy
- Casa di Cura “Montevergine”, 83013 Avellino, Italy
| | - Gaetano Santulli
- Department of Medicine, Division of Cardiology, Wilf Family Cardiovascular Research Institute, Fleischer Institute for Diabetes and Metabolism (FIDAM), Albert Einstein College of Medicine, New York, NY 10461, USA
- Department of Advanced Biomedical Sciences, Federico II University Hospital, 80131 Naples, Italy
- Department of Molecular Pharmacology, Einstein Institute for Aging Research, Einstein-Mount Sinai Diabetes Research Center (ES-DRC), Einstein Institute for Neuroimmunology and Inflammation (INI), Albert Einstein College of Medicine, New York, NY 10461, USA
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Kostiuchenko O, Kravchenko N, Markus J, Burleigh S, Fedkiv O, Cao L, Letasiova S, Skibo G, Fåk Hållenius F, Prykhodko O. Effects of Proteases from Pineapple and Papaya on Protein Digestive Capacity and Gut Microbiota in Healthy C57BL/6 Mice and Dose-Manner Response on Mucosal Permeability in Human Reconstructed Intestinal 3D Tissue Model. Metabolites 2022; 12:1027. [PMID: 36355110 PMCID: PMC9696696 DOI: 10.3390/metabo12111027] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/13/2022] [Accepted: 10/24/2022] [Indexed: 08/13/2023] Open
Abstract
Cysteine proteases obtained from the stem of pineapple or papaya latex, bromelain and papain, respectively, exhibit a broad spectrum of beneficial effects on human health. However, their effects on gut microbiota composition or dose-manner effects on the intestinal integrity of healthy tissue have not been evaluated. In this study, C57BL/6 young, healthy mice were fed bromelain or papain in a dose of 1 mg per animal/day for three consecutive days, followed by the assessment of digestive protein capacity, intestinal morphology and gut microbiota composition. Furthermore, a human reconstructed 3D tissue model EpiIntestinal (SMI-100) was used to study the effects of 1, 0.1 and 10 mg/mL doses of each enzyme on tissue integrity and mucosal permeability using TEER measurements and passage of Lucifer Yellow marker from the apical to the basolateral side of the mucosa. The results indicated that fruit proteases have the potential to modulate gut microbiota with decreasing abundance of Proteobacteria and increasing beneficial Akkermansia muciniphila. The enhancement of pancreatic trypsin was observed in bromelain and papain supplementation, while bromelain also increased the thickness of the ileal mucosa. Furthermore, an in vitro study showed a dose-dependent interruption in epithelial integrity, which resulted in increased paracellular permeability by the highest doses of enzymes. These findings define bromelain and papain as promising enzymatic supplementation for controlled enhancement of paracellular uptake when needed, together with beneficial effects on the gut microbiota.
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Affiliation(s)
- Olha Kostiuchenko
- Department of Food Technology, Engineering and Nutrition, Lund University, 221 00 Lund, Sweden
- Department of Cytology, Bogomoletz Institute of Physiology, 010 24 Kyiv, Ukraine
| | - Nadiia Kravchenko
- Department of Food Technology, Engineering and Nutrition, Lund University, 221 00 Lund, Sweden
- Department of Cytology, Bogomoletz Institute of Physiology, 010 24 Kyiv, Ukraine
| | - Jan Markus
- MatTek In Vitro Life Science Laboratories, 821 05 Bratislava, Slovakia
- Centre of Toxicology and Health Safety, National Institute of Public Health, 100 00 Prague, Czech Republic
| | - Stephen Burleigh
- Department of Food Technology, Engineering and Nutrition, Lund University, 221 00 Lund, Sweden
| | - Olexandr Fedkiv
- Department of Food Technology, Engineering and Nutrition, Lund University, 221 00 Lund, Sweden
| | - Ling Cao
- Department of Food Technology, Engineering and Nutrition, Lund University, 221 00 Lund, Sweden
| | - Silvia Letasiova
- MatTek In Vitro Life Science Laboratories, 821 05 Bratislava, Slovakia
- Centre of Toxicology and Health Safety, National Institute of Public Health, 100 00 Prague, Czech Republic
| | - Galyna Skibo
- Department of Cytology, Bogomoletz Institute of Physiology, 010 24 Kyiv, Ukraine
| | - Frida Fåk Hållenius
- Department of Food Technology, Engineering and Nutrition, Lund University, 221 00 Lund, Sweden
| | - Olena Prykhodko
- Department of Food Technology, Engineering and Nutrition, Lund University, 221 00 Lund, Sweden
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Hikisz P, Bernasinska-Slomczewska J. Beneficial Properties of Bromelain. Nutrients 2021; 13:4313. [PMID: 34959865 PMCID: PMC8709142 DOI: 10.3390/nu13124313] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 11/26/2021] [Accepted: 11/27/2021] [Indexed: 12/21/2022] Open
Abstract
Bromelain is a major sulfhydryl proteolytic enzyme found in pineapple plants, having multiple activities in many areas of medicine. Due to its low toxicity, high efficiency, high availability, and relative simplicity of acquisition, it is the object of inexhaustible interest of scientists. This review summarizes scientific reports concerning the possible application of bromelain in treating cardiovascular diseases, blood coagulation and fibrinolysis disorders, infectious diseases, inflammation-associated diseases, and many types of cancer. However, for the proper application of such multi-action activities of bromelain, further exploration of the mechanism of its action is needed. It is supposed that the anti-viral, anti-inflammatory, cardioprotective and anti-coagulatory activity of bromelain may become a complementary therapy for COVID-19 and post-COVID-19 patients. During the irrepressible spread of novel variants of the SARS-CoV-2 virus, such beneficial properties of this biomolecule might help prevent escalation and the progression of the COVID-19 disease.
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Affiliation(s)
- Pawel Hikisz
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, ul. Pomorska 141/143, 90-236 Lodz, Poland;
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Bakare AO, Owoyele BV. Bromelain reduced pro-inflammatory mediators as a common pathway that mediate antinociceptive and anti-anxiety effects in sciatic nerve ligated Wistar rats. Sci Rep 2021; 11:289. [PMID: 33432004 PMCID: PMC7801445 DOI: 10.1038/s41598-020-79421-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 12/08/2020] [Indexed: 02/02/2023] Open
Abstract
The involvement of pro-inflammatory mediators complicates the complex mechanism in neuropathic pain (NP). This study investigated the roles of bromelain against pro-inflammatory mediators as a mechanism that underpins its antinociceptive and anti-anxiety effects in the peripheral model of NP. Sixty-four male Wistar rats randomly divided into eight groups, were used for the study. A chronic constriction injury model of peripheral neuropathy was used to induce NP. Tail-immersion and von Frey filaments tests were used to assess hyperalgesia while open field and elevated plus mazes were used to assess anxiety-like behaviour. NF-кB, iNOS, nitrate, and pro-inflammatory cytokines were investigated in the plasma, sciatic nerve, and brain tissues using ELISA, spectrophotometer, and immunohistochemistry techniques after twenty-one days of treatment. Bromelain significantly (p < 0.05) improved the cardinal signs of NP and inhibited anxiety-like behaviours in ligated Wistar rats. It mitigated the increases in cerebral cortex interleukin (IL) -1β, IL-6, and PGE2 levels. Bromelain reduced NF-кB, IL-1β, IL-6, TNF-α, PGE2, and nitrate concentrations as well as the expression of iNOS in the sciatic nerve. Hence, the antinociceptive and anxiolytic effects of bromelain in the sciatic nerve ligation model of NP is in part due to its ability to reduce nitrosative and inflammatory activities.
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Affiliation(s)
- Ahmed O Bakare
- Department of Physiology, Neuroscience and Inflammation Unit, Faculty of Basic Medical Sciences, University of Ilorin, Ilorin, Kwara State, Nigeria
| | - Bamidele V Owoyele
- Department of Physiology, Neuroscience and Inflammation Unit, Faculty of Basic Medical Sciences, University of Ilorin, Ilorin, Kwara State, Nigeria.
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Gan Y, Liang J, Diao W, Zhou X, Mu J, Pang L, Tan F, Zhao X. Lactobacillus plantarum KSFY06 and geniposide counteract montmorillonite-induced constipation in Kunming mice. Food Sci Nutr 2020; 8:5128-5137. [PMID: 32994973 PMCID: PMC7500764 DOI: 10.1002/fsn3.1814] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Revised: 07/16/2020] [Accepted: 07/18/2020] [Indexed: 12/17/2022] Open
Abstract
Constipation is a common clinical manifestation of digestive system disorders and occurs worldwide. This study investigated the ability of Lactobacillus plantarum KSFY06 (LP-KSFY06) to promote the action of geniposide in preventing montmorillonite-induced constipation in Kunming mice, with the aim of providing a successful solution. The effects of LP-KSFY06 and geniposide on constipation were measured, and the results showed that the protective effect of geniposide on constipation was enhanced by LP-KSFY06 and that the combination resulted in increased weight, moisture content, and particle number of feces. The first black stool defecation time was decreased from 182 min to 87 min, which clearly indicates that defecating difficulty was alleviated in constipated mice. The synergic intervention of LP-KSFY06 and geniposide (LP + G) assisted in maintaining the body weight of constipated mice. The LP + G intervention significantly increased serum levels of motilin (MTL, 167.8 pg/ml), acetylcholinesterase (AChE, 45.3 pg/ml), substance P (SP, 61.0 pg/ml), vasoactive intestinal peptide (VIP, 70.5 pg/ml), endothelin-1 (ET-1, 16.1 pg/ml), and gastrin (73.0 pg/ml) and remarkably decreased somatostatin (SS, 35.2 pg/ml) when compared to those indexes in the LP-KSFY06 group and geniposide group. The LP + G treatment also significantly increased the mRNA expression of cluster of differentiation 117 (c-Kit), stem cell factor (SCF), glial cell-derived neurotrophic factor (GDNF), and remarkably downregulated the expression of inducible nitric oxide synthase (iNOS), transient receptor potential vanilloid-1 (TRPV1), and cyclooxygenase-2 (COX-2). The experimental results showed that the combination treatment has the strongest prevention effect against constipation, and LP-KSFY06 promotes the ability of geniposide to prevent constipation. Therefore, LP-KSFY06 is a potential probiotic strain with the capacity to prevent montmorillonite-induced constipation.
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Affiliation(s)
- Yi Gan
- Chongqing Collaborative Innovation Center for Functional FoodChongqing University of EducationChongqingChina
- Chongqing Engineering Research Center of Functional FoodChongqing University of EducationChongqingChina
- Chongqing Engineering Laboratory for Research and Development of Functional FoodChongqing University of EducationChongqingChina
| | - Jie Liang
- Department of PediatricsChongqing Traditional Chinese Medicine HospitalChongqingChina
| | - Wenjing Diao
- Chongqing Collaborative Innovation Center for Functional FoodChongqing University of EducationChongqingChina
- Chongqing Engineering Research Center of Functional FoodChongqing University of EducationChongqingChina
- Chongqing Engineering Laboratory for Research and Development of Functional FoodChongqing University of EducationChongqingChina
| | - Xianrong Zhou
- Chongqing Collaborative Innovation Center for Functional FoodChongqing University of EducationChongqingChina
- Chongqing Engineering Research Center of Functional FoodChongqing University of EducationChongqingChina
- Chongqing Engineering Laboratory for Research and Development of Functional FoodChongqing University of EducationChongqingChina
| | - Jianfei Mu
- Chongqing Collaborative Innovation Center for Functional FoodChongqing University of EducationChongqingChina
- Chongqing Engineering Research Center of Functional FoodChongqing University of EducationChongqingChina
- Chongqing Engineering Laboratory for Research and Development of Functional FoodChongqing University of EducationChongqingChina
| | - Liang Pang
- Department of Oral and Maxillofacial SurgeryThe Affiliated Hospital of StomatologyChongqing Medical UniversityChongqingChina
| | - Fang Tan
- Department of Public HealthOur Lady of Fatima UniversityValenzuelaPhilippines
| | - Xin Zhao
- Chongqing Collaborative Innovation Center for Functional FoodChongqing University of EducationChongqingChina
- Chongqing Engineering Research Center of Functional FoodChongqing University of EducationChongqingChina
- Chongqing Engineering Laboratory for Research and Development of Functional FoodChongqing University of EducationChongqingChina
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Banerjee S, Ranganathan V, Patti A, Arora A. Valorisation of pineapple wastes for food and therapeutic applications. Trends Food Sci Technol 2018. [DOI: 10.1016/j.tifs.2018.09.024] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Saw CY, Kao WM, Chen PY, Chew BS, Liew Y, Chau CF. Changes in different fecal parameters with administration of bromelain and inulin in a rat model. CYTA - JOURNAL OF FOOD 2018. [DOI: 10.1080/19476337.2018.1513424] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Chiou-Yeong Saw
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung, Taiwan
| | - Wei-Min Kao
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung, Taiwan
| | - Po-Ya Chen
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung, Taiwan
| | - Boon-Swee Chew
- Research and Development Department, CNI Venture (M) Sdn Bhd, Shah Alam, Selangor, Malaysia
| | - Ying Liew
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung, Taiwan
| | - Chi-Fai Chau
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung, Taiwan
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Liang L, Yang X, Yu Y, Li X, Wu Y, Shi R, Jiang J, Gao L, Ye F, Zhao Q, Li R, Wei L, Han Z. Babao Dan attenuates hepatic fibrosis by inhibiting hepatic stellate cells activation and proliferation via TLR4 signaling pathway. Oncotarget 2018; 7:82554-82566. [PMID: 27776340 PMCID: PMC5347713 DOI: 10.18632/oncotarget.12783] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Accepted: 10/12/2016] [Indexed: 12/11/2022] Open
Abstract
Babao Dan (BBD), a traditional Chinese medicine, has been widely used as a complementary and alternative medicine to treat chronic liver diseases. In this study, we aimed to observe the protective effect of BBD on rat hepatic fibrosis induced by diethylnitrosamine (DEN) and explore it possible mechanism. BBD was administrated while DEN was given. After eight weeks, values of serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) indicated that BBD significantly protected liver from damaging by DEN and had no obvious side effect on normal rat livers. Meanwhile, BBD attenuated hepatic inflammation and fibrosis in DEN-induced rat livers through histopathological examination and hepatic hydroxyproline content. Furthermore, we found that BBD inhibited hepatic stellate cells activation and proliferation without altering the concentration of lipopolysaccharide (LPS) in portal vein. In vitro study, serum from BBD treated rats (BBD-serum) could also significantly suppress LPS-induced HSCs activation through TLR4/NF-κB pathway. In addition, BBD-serum also inhibited the proliferation of HSCs by regulating TLR4/ERK pathway. Our study demonstrated that BBD may provide a new therapy strategy of hepatic injury and hepatic fibrosis.
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Affiliation(s)
- Lei Liang
- Tumor Immunology and Gene Therapy Center, Eastern Hepatobiliary Surgery Hospital, the Second Military Medical University, Shanghai, China.,Medical College of Soochow University, Suzhou, China
| | - Xue Yang
- Tumor Immunology and Gene Therapy Center, Eastern Hepatobiliary Surgery Hospital, the Second Military Medical University, Shanghai, China
| | - Yang Yu
- Tumor Immunology and Gene Therapy Center, Eastern Hepatobiliary Surgery Hospital, the Second Military Medical University, Shanghai, China.,Department of General Surgery, Yangpu Hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Xiaoyong Li
- Tumor Immunology and Gene Therapy Center, Eastern Hepatobiliary Surgery Hospital, the Second Military Medical University, Shanghai, China.,Medical College of Soochow University, Suzhou, China
| | - Yechen Wu
- Tumor Immunology and Gene Therapy Center, Eastern Hepatobiliary Surgery Hospital, the Second Military Medical University, Shanghai, China.,Medical College of Soochow University, Suzhou, China
| | - Rongyu Shi
- Tumor Immunology and Gene Therapy Center, Eastern Hepatobiliary Surgery Hospital, the Second Military Medical University, Shanghai, China
| | - Jinghua Jiang
- Tumor Immunology and Gene Therapy Center, Eastern Hepatobiliary Surgery Hospital, the Second Military Medical University, Shanghai, China
| | - Lu Gao
- Tumor Immunology and Gene Therapy Center, Eastern Hepatobiliary Surgery Hospital, the Second Military Medical University, Shanghai, China
| | - Fei Ye
- Tumor Immunology and Gene Therapy Center, Eastern Hepatobiliary Surgery Hospital, the Second Military Medical University, Shanghai, China
| | - Qiudong Zhao
- Tumor Immunology and Gene Therapy Center, Eastern Hepatobiliary Surgery Hospital, the Second Military Medical University, Shanghai, China
| | - Rong Li
- Tumor Immunology and Gene Therapy Center, Eastern Hepatobiliary Surgery Hospital, the Second Military Medical University, Shanghai, China
| | - Lixin Wei
- Tumor Immunology and Gene Therapy Center, Eastern Hepatobiliary Surgery Hospital, the Second Military Medical University, Shanghai, China
| | - Zhipeng Han
- Tumor Immunology and Gene Therapy Center, Eastern Hepatobiliary Surgery Hospital, the Second Military Medical University, Shanghai, China
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Zhou Z, Wang L, Xu M, Yin L, Yang F, Hui S, Yi Y, Feng P, Wang J, Lin Y, Peng J, Chen D. Fruit bromelain ameliorates rat constipation induced by loperamide. RSC Adv 2017; 7:45252-45259. [DOI: 10.1039/c7ra06109a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2025] Open
Abstract
Fruit bromelain ameliorates rat constipation. MLCK, myosin light chain kinase;p-MLC20, phosphorylation of 20 kDa myosin light chain.
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Maleki M, Samadi M, Khanmoradi M, Nematbakhsh M, Talebi A, Nasri H. The role of S-methylisothiourea hemisulfate as inducible nitric oxide synthase inhibitor against kidney iron deposition in iron overload rats. Adv Biomed Res 2016; 5:96. [PMID: 27308268 PMCID: PMC4908793 DOI: 10.4103/2277-9175.183145] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2014] [Accepted: 01/21/2015] [Indexed: 12/11/2022] Open
Abstract
Background: Iron dextran is in common use to maintain iron stores. However, it is potentially toxic and may lead to iron deposition (ID) and impair functions of organs. Iron overload can regulate the expression of inducible nitric oxide synthase (iNOS) in some cells that has an important role in tissue destruction. S-methylisothiourea hemisulfate (SMT) is a direct inhibitor of iNOS, and this study was designed to investigate the effect of SMT against kidney ID in iron overload rats. Materials and Methods: 24 Wistar rats (male and female) were randomly assigned to two groups. Iron overloading was performed by iron dextran 100 mg/kg/day every other day for 2 weeks. In addition, during the study, groups 1 and 2 received vehicle and SMT (10 mg/kg, ip), respectively. Finally, blood samples were obtained, and the kidneys were prepared for histopathological procedures. Results: SMT significantly reduced the serum levels of creatinine and blood urea nitrogen. However, SMT did not alter the serum levels of iron and nitrite, and the kidney tissue level of nitrite. Co-administration of SMT with iron dextran did not attenuate the ID in the kidney. Conclusion: SMT, as a specific iNOS inhibitor, could not protect the kidney from ID while it attenuated the serum levels of kidney function biomarkers.
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Affiliation(s)
- Maryam Maleki
- Water and Electrolytes Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Melika Samadi
- Water and Electrolytes Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | | | - Mehdi Nematbakhsh
- Water and Electrolytes Research Center, Isfahan University of Medical Sciences, Isfahan, Iran; Department of Physiology, Isfahan University of Medical Sciences, Isfahan, Iran; Isfahan MN Institute of Basic and Applied Sciences Research, Isfahan, Iran
| | - Ardeshir Talebi
- Water and Electrolytes Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hamid Nasri
- Water and Electrolytes Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
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Abbasi Habashi S, Sabouni F, Moghimi A, Ansari Majd S. Modulation of Lipopolysaccharide Stimulated Nuclear Factor kappa B Mediated iNOS/NO Production by Bromelain in Rat Primary Microglial Cells. IRANIAN BIOMEDICAL JOURNAL 2015; 20:33-40. [PMID: 26459398 PMCID: PMC4689280 DOI: 10.7508/ibj.2016.01.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Background: Microglial cells act as the sentinel of the central nervous system .They are involved in neuroprotection but are highly implicated in neurodegeneration of the aging brain. When over-activated, microglia release pro-inflammatory factors, such as nitric oxide (NO) and cytokines, which are critical in eliciting neuroinflammatory responses associated with neurodegenerative diseases. This study examined whether bromelain, the pineapple-derived extract, may exert an anti-inflammatory effect in primary microglia and may be neuroprotective by regulating microglial activation. Methods: Following the isolation of neonatal rat primary microglial cells, the activation profile of microglia was investigated by studying the effects of bromelain (5, 10, 20, and 30 µg/ml) on the levels of NO, inducible nitric oxide synthase (iNOS), and nuclear factor kappa B (NF-κB) in microglia treated with lipopolysaccharide (LPS) (1 µg/ml). Data were analyzed using Student's t-test. P values less than 0.05 were considered to be statistically significant, compared with the LPS-treated group without bromelain. Results: Results showed that pretreatment of rat primary microglia with bromelain, decreased the production of NO induced by LPS (1 µg/ml) treatment in a dose-dependent manner. Bromelain (30 µg/ml) also significantly reduced the expression of iNOS at mRNA level and NF-κB at protein level. Moreover, the study of mitochondrial activity in microglia indicated that bromelain had no cytotoxicity at any of the applied doses, suggesting that the anti-inflammatory effects of bromelain are not due to cell death. Conclusion: Bromelain can be of potential use as an agent for alleviation of symptoms in neurodegenerative diseases.
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Affiliation(s)
- Soraya Abbasi Habashi
- Center for Neuroscience and Behavior, Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Farzaneh Sabouni
- National Institute of Genetic Engineering and Biotechnology, Tehran, Iran
| | - Ali Moghimi
- Center for Neuroscience and Behavior, Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Saeed Ansari Majd
- National Institute of Genetic Engineering and Biotechnology, Tehran, Iran
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Maluegha DP, Widodo MA, Pardjianto B, Widjajanto E. The effects of bromelain on angiogenesis, nitric oxide, and matrix metalloproteinase-3 and -9 in rats exposed to electrical burn injury. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.wndm.2015.08.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Sugarcane Straw and Its Cellulose Fraction as Raw Materials for Obtainment of Textile fibers and Other Bioproducts. POLYSACCHARIDES 2015. [DOI: 10.1007/978-3-319-16298-0_53] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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14
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Costa SM, Aguiar A, Luz SM, Pessoa A, Costa SA. Sugarcane Straw and Its Cellulosic Fraction as Raw Materials for Obtainment of Textile Fibers and Other Bioproducts. POLYSACCHARIDES 2014. [DOI: 10.1007/978-3-319-03751-6_53-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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Zheyu C, Lunan Y. The early changes of colon motility in the rats after liver transplantation. Transplant Proc 2007; 39:1642-6. [PMID: 17580208 DOI: 10.1016/j.transproceed.2007.02.064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2005] [Revised: 11/01/2006] [Accepted: 02/05/2007] [Indexed: 02/05/2023]
Abstract
The purpose of this study was to explore the early changes of colon motility in rats after liver transplantation. Thirty Wistar rats were divided into a sham operation group (n = 10) and a liver transplantation group (n = 10 pairs). The number of stools, the contractility of muscle strips, the length of smooth muscle cells, the levels of plasma endotoxin, the morphological changes, and the expression of inducible nitric oxide synthase (iNOS) in the colon of the rats were observed in the two groups. N(6)-(iminoethyl)-L-lysine (L-NIL, a selective iNOS antagonist) was used to confirm the activity of iNOS in the contractility of colonic motility. We observed the changes of nitrogen monoxide (NO) in plasma and colon mucosa of the two groups. Results showed that the liver transplantation group compared with the sham operation group showed significantly decreased contractility of the colon with significant differences in the morphological changes in rat colon. The expression of iNOS protein and iNOSmRNA was significantly increased in the liver transplantation group. The concentrations of plasma and colon mucosa NO and the levels of endotoxin were higher among the liver transplantation group than the sham operation group (P < .05). When the strips and cells of smooth muscle from the liver transplantation group were treated with L-NIL, their contractility increased. We concluded that colon motility decreased in the rats after transplantation, which could be related to the levels of plasma endotoxin and iNOS expressing in the colon.
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Affiliation(s)
- C Zheyu
- Liver Transplantation Division, Department of Surgery, West China Hospital, Sichun University Medical School, Chengdu 610041, China
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