1
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Bektaşoğlu PK, Somay A, Hazneci J, Borekci A, Gürer B. Cinnamaldehyde has Antifibrotic Effects on Rats with Epidural Fibrosis. World Neurosurg 2024; 183:e395-e400. [PMID: 38143035 DOI: 10.1016/j.wneu.2023.12.106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 12/18/2023] [Indexed: 12/26/2023]
Abstract
BACKGROUND Laminectomy is a widely employed surgical procedure for the treatment of spinal stenosis, but it may lead to epidural fibrosis (EF) and failed back surgery syndrome. Cinnamaldehyde, a phenylpropanoid found in cinnamon, has demonstrated antioxidant and anti-inflammatory properties. In the present study, we hypothesized that topical application and systemic administration of cinnamaldehyde could be helpful in the prevention of EF in a rat laminectomy model. METHODS The rats were randomly assigned to control, local, and systemic Tween-80 and local and systemic cinnamaldehyde experimental groups (n = 6, per group). In the control group, just laminectomy was performed. In local treatment groups, applications were done just after the laminectomy onto dura. In systemic treatment groups, intraperitoneal administrations were performed following skin suturing. The degree of epidural fibrosis was evaluated macroscopically and histopathologically 4 weeks later. RESULTS Macroscopic assessment revealed decreased EF with both topical and systemic cinnamaldehyde application, whereas microscopic examination results were not significant. CONCLUSIONS Our findings provide the first experimental evidence of cinnamaldehyde's potential protective effects against EF.
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Affiliation(s)
- Pınar Kuru Bektaşoğlu
- Department of Neurosurgery, University of Health Sciences, Fatih Sultan Mehmet Education and Research Hospital, Istanbul, Turkey.
| | - Adnan Somay
- Department of Pathology, University of Health Sciences, Fatih Sultan Mehmet Education and Research Hospital, Istanbul, Turkey
| | - Jülide Hazneci
- Department of Neurosurgery, University of Health Sciences, Fatih Sultan Mehmet Education and Research Hospital, Istanbul, Turkey
| | - Ali Borekci
- Department of Neurosurgery, University of Health Sciences, Fatih Sultan Mehmet Education and Research Hospital, Istanbul, Turkey
| | - Bora Gürer
- Department of Neurosurgery, Istinye University Faculty of Medicine, Istanbul, Turkey
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Pagliari S, Forcella M, Lonati E, Sacco G, Romaniello F, Rovellini P, Fusi P, Palestini P, Campone L, Labra M, Bulbarelli A, Bruni I. Antioxidant and Anti-Inflammatory Effect of Cinnamon ( Cinnamomum verum J. Presl) Bark Extract after In Vitro Digestion Simulation. Foods 2023; 12:452. [PMID: 36765979 PMCID: PMC9914695 DOI: 10.3390/foods12030452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/12/2023] [Accepted: 01/15/2023] [Indexed: 01/20/2023] Open
Abstract
Cinnamon bark is widely used for its organoleptic features in the food context and growing evidence supports its beneficial effect on human health. The market offers an increasingly wide range of food products and supplements enriched with cinnamon extracts which are eliciting beneficial and health-promoting properties. Specifically, the extract of Cinnamomum spp. is rich in antioxidant, anti-inflammatory and anticancer biomolecules. These include widely reported cinnamic acid and some phenolic compounds, such asproanthocyanidins A and B, and kaempferol. These molecules are sensitive to physical-chemical properties (such as pH and temperature) and biological agents that act during gastric digestion, which could impair molecules' bioactivity. Therefore, in this study, the cinnamon's antioxidant and anti-inflammatory bioactivity after simulated digestion was evaluated by analyzing the chemical profile of the pure extract and digested one, as well as the cellular effect in vitro models, such as Caco2 and intestinal barrier. The results showed that the digestive process reduces the total content of polyphenols, especially tannins, while preserving other bioactive compounds such as cinnamic acid. At the functional level, the digested extract maintains an antioxidant and anti-inflammatory effect at the cellular level.
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Affiliation(s)
- Stefania Pagliari
- ZooPlantLab, Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Matilde Forcella
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Elena Lonati
- School of Medicine and Surgery, University of Milano-Bicocca, Via Cadore 48, 20900 Monza, Italy
| | - Grazia Sacco
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Francesco Romaniello
- Innovhub Stazioni Sperimentali per l’Industria S.r.l., Via Giuseppe Colombo 79, 20133 Milano, Italy
| | - Pierangela Rovellini
- Innovhub Stazioni Sperimentali per l’Industria S.r.l., Via Giuseppe Colombo 79, 20133 Milano, Italy
| | - Paola Fusi
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Paola Palestini
- School of Medicine and Surgery, University of Milano-Bicocca, Via Cadore 48, 20900 Monza, Italy
| | - Luca Campone
- ZooPlantLab, Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Massimo Labra
- ZooPlantLab, Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Alessandra Bulbarelli
- School of Medicine and Surgery, University of Milano-Bicocca, Via Cadore 48, 20900 Monza, Italy
| | - Ilaria Bruni
- ZooPlantLab, Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
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3
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Aleman RS, Moncada M, Aryana KJ. Leaky Gut and the Ingredients That Help Treat It: A Review. Molecules 2023; 28:619. [PMID: 36677677 PMCID: PMC9862683 DOI: 10.3390/molecules28020619] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 12/31/2022] [Accepted: 01/01/2023] [Indexed: 01/11/2023] Open
Abstract
The human body is in daily contact with potentially toxic and infectious substances in the gastrointestinal tract (GIT). The GIT has the most significant load of antigens. The GIT can protect the intestinal integrity by allowing the passage of beneficial agents and blocking the path of harmful substances. Under normal conditions, a healthy intestinal barrier prevents toxic elements from entering the blood stream. However, factors such as stress, an unhealthy diet, excessive alcohol, antibiotics, and drug consumption can compromise the composition of the intestinal microbiota and the homeostasis of the intestinal barrier function of the intestine, leading to increased intestinal permeability. Intestinal hyperpermeability can allow the entry of harmful agents through the junctions of the intestinal epithelium, which pass into the bloodstream and affect various organs and systems. Thus, leaky gut syndrome and intestinal barrier dysfunction are associated with intestinal diseases, such as inflammatory bowel disease and irritable bowel syndrome, as well as extra-intestinal diseases, including heart diseases, obesity, type 1 diabetes mellitus, and celiac disease. Given the relationship between intestinal permeability and numerous conditions, it is convenient to seek an excellent strategy to avoid or reduce the increase in intestinal permeability. The impact of dietary nutrients on barrier function can be crucial for designing new strategies for patients with the pathogenesis of leaky gut-related diseases associated with epithelial barrier dysfunctions. In this review article, the role of functional ingredients is suggested as mediators of leaky gut-related disorders.
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Affiliation(s)
- Ricardo Santos Aleman
- School of Nutrition and Food Sciences, Louisiana State University Agricultural Center, Baton Rouge, LA 28081, USA
| | - Marvin Moncada
- Department of Food, Bioprocessing & Nutrition Sciences and the Plants for Human Health Institute, North Carolina State University, North Carolina Research Campus, Kannapolis, NC 27599, USA
| | - Kayanush J. Aryana
- School of Nutrition and Food Sciences, Louisiana State University Agricultural Center, Baton Rouge, LA 28081, USA
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4
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Cheng XR, Yu BT, Song J, Ma JH, Chen YY, Zhang CX, Tu PH, Muskat MN, Zhu ZG. The Alleviation of Dextran Sulfate Sodium (DSS)-Induced Colitis Correlate with the log P Values of Food-Derived Electrophilic Compounds. Antioxidants (Basel) 2022; 11:antiox11122406. [PMID: 36552614 PMCID: PMC9774124 DOI: 10.3390/antiox11122406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 11/29/2022] [Accepted: 12/02/2022] [Indexed: 12/07/2022] Open
Abstract
Food-derived electrophilic compounds (FECs) are small molecules with electrophilic groups with potential cytoprotective effects. This study investigated the differential effects of six prevalent FECs on colitis in dextran sodium sulfate (DSS)-induced mice and the underlying relationship with molecular characteristics. Fumaric acid (FMA), isoliquiritigenin (ISO), cinnamaldehyde (CA), ferulic acid (FA), sulforaphane (SFN), and chlorogenic acid (CGA) exhibited varying improvements in colitis on clinical signs, colonic histopathology, inflammatory and oxidative indicators, and Nrf2 pathway in a sequence of SFN, ISO > FA, CA > FMA, CGA. Representative molecular characteristics of the “penetration-affinity−covalent binding” procedure, logP value, Keap1 affinity energy, and electrophilic index of FECs were theoretically calculated, among which logP value revealed a strong correlation with colitis improvements, which was related to the expression of Nrf2 and its downstream proteins. Above all, SFN and ISO possessed high logP values and effectively improving DSS-induced colitis by activating the Keap1−Nrf2 pathway to alleviate oxidative stress and inflammatory responses.
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Affiliation(s)
- Xiang-Rong Cheng
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Bu-Tao Yu
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Jie Song
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Jia-Hui Ma
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Yu-Yao Chen
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Chen-Xi Zhang
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Piao-Han Tu
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
| | - Mitchell N Muskat
- School of Pharmacy, University of California San Francisco, San Francisco, CA 94143, USA
| | - Ze-Gang Zhu
- Jinhua Academy of Agricultural Sciences, Jinhua 321000, China
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5
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Ma X, Liu K, Han Y, Bai Y, Shen F, Wang M, Wei W, Qin J, Hao E, Hou X, Hou Y, Bai G. Cinnamaldehyde Regulates the Generation of γ-aminobutyric Acid to Exert Sedation via Irreversible Inhibition of ENO1 in the Cerebellar Granular Layer. Mol Nutr Food Res 2022; 66:e2100963. [PMID: 35332659 DOI: 10.1002/mnfr.202100963] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 02/11/2022] [Indexed: 11/07/2022]
Abstract
SCOPE Glutamate (Glu) and γ-aminobutyric acid (GABA) are the major excitatory and inhibitory neurotransmitters that control information flow in the brain. GABA dysfunction is a general vulnerability factor for mental illness. Cinnamaldehyde (CA) is found to have sedation in a mental illness model. However, the specific targets and molecular mechanisms related to the sedative effects of CA have not been elucidated. METHODS AND RESULTS Metabolomics analysis and target fishing showed CA could increase the expression of GABA in vivo, and α-enolase (ENO1) is the primary target protein of CA associated with sedation. CA mainly binds with ENO1 in the cerebellar granular layer of brain, which influences the first transformations of the input signals arriving in the cerebellar cortex. The α,β-unsaturated aldehyde group of CA blocks the hydroxy group of Ser40, which induces a loss in ENO1 activation. CA also disturbs the glycolysis pathway and influences the tricarboxylic acid cycle and oxidative phosphorylation, which activate gluconeogenesis to provide energy to the brain. This mechanism is verified in zebrafish with ENO1 or glutamic acid decarboxylase (GAD) deficiency. CONCLUSIONS CA demonstrates sedation and alleviates GABA dysfunction via covalent binding ENO1, which shows the potential to improve the therapy of mental illness.
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Affiliation(s)
- Xiaoyao Ma
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, 300381, China
| | - Kaixin Liu
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, 300381, China
| | - Yiman Han
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, 300381, China
| | - Yongping Bai
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, 300381, China
| | - Fukui Shen
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, 300381, China
| | - Mukuo Wang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, 300381, China
| | - Wei Wei
- Guangxi Collaborative Innovation Center for Functional Ingredients Study of Agricultural Residues, Guangxi Key Laboratory of Efficacy Study on Chinese Materia Medica, Guangxi University of Chinese Medicine, Nanning, 530200, China
| | - Jianfeng Qin
- Guangxi Collaborative Innovation Center for Functional Ingredients Study of Agricultural Residues, Guangxi Key Laboratory of Efficacy Study on Chinese Materia Medica, Guangxi University of Chinese Medicine, Nanning, 530200, China
| | - Erwei Hao
- Guangxi Collaborative Innovation Center for Functional Ingredients Study of Agricultural Residues, Guangxi Key Laboratory of Efficacy Study on Chinese Materia Medica, Guangxi University of Chinese Medicine, Nanning, 530200, China
| | - Xiaotao Hou
- Guangxi Collaborative Innovation Center for Functional Ingredients Study of Agricultural Residues, Guangxi Key Laboratory of Efficacy Study on Chinese Materia Medica, Guangxi University of Chinese Medicine, Nanning, 530200, China
| | - Yuanyuan Hou
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, 300381, China
| | - Gang Bai
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, 300381, China
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6
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Farazandeh M, Mahmoudabady M, Asghari AA, Niazmand S. Diabetic cardiomyopathy was attenuated by cinnamon treatment through the inhibition of fibro-inflammatory response and ventricular hypertrophy in diabetic rats. J Food Biochem 2022; 46:e14206. [PMID: 35474577 DOI: 10.1111/jfbc.14206] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 03/13/2022] [Accepted: 04/13/2022] [Indexed: 12/14/2022]
Abstract
Diabetic cardiomyopathy (DCM) is a chronic complication of diabetes that emphasizes the urgency of developing new drug therapies. With an illustrious history in traditional medicine to improve diabetes, cinnamon has been shown to possess blood lipids lowering effects and antioxidative and anti-inflammatory properties. However, the extent to which it protects the diabetic heart has yet to be determined. Forty-eight rats were administered in the study and grouped as: control; diabetic; diabetic rats given 100, 200, or 400 mg/kg cinnamon extract, metformin (300 mg/kg), valsartan (30 mg/kg), or met/val (combination of both drugs), via gavage for six weeks. Fasting blood sugar (FBS) and markers of cardiac injury including creatine kinase-muscle/brain (CK-MB), aspartate aminotransferase (AST), and lactate dehydrogenase (LDH) were evaluated in blood samples. Malondialdehyde (MDA) levels, the total contents of thiol, superoxide dismutase (SOD), and catalase (CAT) activities were measured. Histopathology study and gene expression measurement of angiotensin II type 1 receptor (AT1), atrial natriuretic peptide (ANP), beta-myosin heavy chain (β-MHC), and brain natriuretic peptide (BNP) were done on cardiac tissue. FBS and cardiac enzyme indicators were reduced in all treated groups. A reduction in MDA level and enhancement in thiol content alongside with increase of SOD and CAT activities were observed in extract groups. The decrease of inflammation and fibrosis was obvious in treated groups, notably in the high-dose extract group. Furthermore, all treated diabetic groups showed a lowering trend in AT1, ANP, β-MHC, and BNP gene expression. Cinnamon extract, in addition to its hypoglycemic and antioxidant properties, can prevent diabetic heart damage by alleviating cardiac inflammation and fibrosis. PRACTICAL APPLICATIONS: This study found that cinnamon extract might protect diabetic heart damage by reducing inflammation and fibrosis in cardiac tissue, in addition to lowering blood glucose levels and increasing antioxidant activity. Our data imply that including cinnamon in diabetic participants' diets may help to reduce risk factors of cardiovascular diseases.
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Affiliation(s)
- Maryam Farazandeh
- Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Maryam Mahmoudabady
- Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ali Akbar Asghari
- Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Pharmacological Research Center of Medicinal Plants, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Saeed Niazmand
- Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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7
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Wang Y, Huang B, Jin T, Ocansey DKW, Jiang J, Mao F. Intestinal Fibrosis in Inflammatory Bowel Disease and the Prospects of Mesenchymal Stem Cell Therapy. Front Immunol 2022; 13:835005. [PMID: 35370998 PMCID: PMC8971815 DOI: 10.3389/fimmu.2022.835005] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 01/26/2022] [Indexed: 12/12/2022] Open
Abstract
Intestinal fibrosis is an important complication of inflammatory bowel disease (IBD). In the course of the development of fibrosis, certain parts of the intestine become narrowed, significantly destroying the structure and function of the intestine and affecting the quality of life of patients. Chronic inflammation is an important initiating factor of fibrosis. Unfortunately, the existing anti-inflammatory drugs cannot effectively prevent and alleviate fibrosis, and there is no effective anti-fibrotic drug, which makes surgical treatment the mainstream treatment for intestinal fibrosis and stenosis. Mesenchymal stem cells (MSCs) are capable of tissue regeneration and repair through their self-differentiation, secretion of cytokines, and secretion of extracellular vesicles. MSCs have been shown to play an important therapeutic role in the fibrosis of many organs. However, the role of MSC in intestinal fibrosis largely remained unexplored. This review summarizes the mechanism of intestinal fibrosis, including the role of immune cells, TGF-β, and the gut microbiome and metabolites. Available treatment options for fibrosis, particularly, MSCs are also discussed.
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Affiliation(s)
- Yifei Wang
- Aoyang Institute of Cancer, Affiliated Aoyang Hospital of Jiangsu University, Suzhou, China
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Bin Huang
- Aoyang Institute of Cancer, Affiliated Aoyang Hospital of Jiangsu University, Suzhou, China
- General Surgery Department, Affiliated Aoyang Hospital of Jiangsu University, Suzhou, China
| | - Tao Jin
- Department of Gastrointestinal and Endoscopy, The Affiliated Yixing Hospital of Jiangsu University, Yixing, China
| | - Dickson Kofi Wiredu Ocansey
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, China
- Directorate of University Health Services, University of Cape Coast, Cape Coast, Ghana
| | - Jiajia Jiang
- Aoyang Institute of Cancer, Affiliated Aoyang Hospital of Jiangsu University, Suzhou, China
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, China
- *Correspondence: Jiajia Jiang, ; Fei Mao,
| | - Fei Mao
- Aoyang Institute of Cancer, Affiliated Aoyang Hospital of Jiangsu University, Suzhou, China
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, China
- *Correspondence: Jiajia Jiang, ; Fei Mao,
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Bilotta S, Arbogast J, Schart N, Frei M, Lorentz A. Resveratrol Treatment Prevents Increase of Mast Cells in Both Murine OVA Enteritis and IL-10 -/- Colitis. Int J Mol Sci 2022; 23:ijms23031213. [PMID: 35163137 PMCID: PMC8836010 DOI: 10.3390/ijms23031213] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/11/2022] [Accepted: 01/19/2022] [Indexed: 02/07/2023] Open
Abstract
Mast cells are involved in allergic and other inflammatory diseases. The polyphenol resveratrol is known for its anti-inflammatory properties and may be used as nutraceutical in mast cell associated diseases. We analyzed the effect of resveratrol on mast cells in vivo in ovalbumin-induced allergic enteritis as well as experimental colitis in IL-10−/− mice which received resveratrol via drinking water. Treatment with resveratrol prevented the increase in mast cells in both allergic enteritis and chronic colitis in duodenum as well as in colon. Further, it delayed the onset of diseases symptoms and ameliorated diseases associated parameters such as tissue damage as well as inflammatory cell infiltration in affected colon sections. In addition to the findings in vivo, resveratrol inhibited IgE-dependent degranulation and expression of pro-inflammatory cytokines such as TNF-α in IgE/DNP-activated as well as in LPS-activated bone marrow-derived mast cells. These results indicate that resveratrol may be considered as an anti-allergic and anti-inflammatory plant-derived component for the prevention or treatment of mast cell-associated disorders of the gastrointestinal tract.
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9
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Biomedical Effects of the Phytonutrients Turmeric, Garlic, Cinnamon, Graviola, and Oregano: A Comprehensive Review. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11188477] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Phytonutrients are plant foods that contain many natural bioactive compounds, called phytochemicals, which show specific biological activities. These phytonutrients and their phytochemicals may play an important role in health care maintaining normal organism functions (as preventives) and fighting against diseases (as therapeutics). Phytonutrients’ components are the primary metabolites (i.e., proteins, carbohydrates, and lipids) and phytochemicals or secondary metabolites (i.e., phenolics, alkaloids, organosulfides, and terpenes). For years, several phytonutrients and their phytochemicals have demonstrated specific pharmacological and therapeutic effects in human health such as anticancer, antioxidant, antiviral, anti-inflammatory, antibacterial, antifungal, and immune response. This review summarizes the effects of the most studied or the most popular phytonutrients (i.e., turmeric, garlic, cinnamon, graviola, and oregano) and any reported contraindications. This article also presents the calculated physicochemical properties of the main phytochemicals in the selected phytonutrients using Lipinski’s, Veber’s, and Ghose’s rules. Based on our revisions for this article, all these phytonutrients have consistently shown great potential as preventives and therapeutics on many diseases in vitro, in vivo, and clinical studies.
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10
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Lactose-Gated Mesoporous Silica Particles for Intestinal Controlled Delivery of Essential Oil Components: An In Vitro and In Vivo Study. Pharmaceutics 2021; 13:pharmaceutics13070982. [PMID: 34209675 PMCID: PMC8309014 DOI: 10.3390/pharmaceutics13070982] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 06/21/2021] [Accepted: 06/22/2021] [Indexed: 11/21/2022] Open
Abstract
Mesoporous silica microparticles functionalized with lactose for the specific release of essential oil components (EOCs) in the small intestine are presented. In vitro and in vivo intestinal models were applied to validate the microparticles (M41-EOC-L), in which the presence of lactase acts as the triggering stimulus for the controlled release of EOCs. Among the different microdevices prepared (containing thymol, eugenol and cinnamaldehyde), the one loaded with cinnamaldehyde showed the most significant Caco-2 cell viability reduction. On the other hand, interaction of the particles with enterocyte-like monolayers showed a reduction of EOCs permeability when protected into the designed microdevices. Then, a microdevice loaded with cinnamaldehyde was applied in the in vivo model of Wistar rat. The results showed a reduction in cinnamaldehyde plasma levels and an increase in its concentration in the lumen of the gastrointestinal tract (GIT). The absence of payload release in the stomach, the progressive release throughout the intestine and the prolonged stay of the payload in the GIT-lumen increased the bioavailability of the encapsulated compound at the site of the desired action. These innovative results, based on the specific intestinal controlled delivery, suggest that the M41-payload-L could be a potential hybrid microdevice for the protection and administration of bioactive molecules in the small intestine and colon.
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11
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Chen G, Li Y, Li X, Zhou D, Wang Y, Wen X, Wang C, Liu X, Feng Y, Li B, Li N. Functional foods and intestinal homeostasis: The perspective of in vivo evidence. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.02.075] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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12
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Yang Y, Zeng QS, Zou M, Zeng J, Nie J, Chen D, Gan HT. Targeting Gremlin 1 Prevents Intestinal Fibrosis Progression by Inhibiting the Fatty Acid Oxidation of Fibroblast Cells. Front Pharmacol 2021; 12:663774. [PMID: 33967807 PMCID: PMC8100665 DOI: 10.3389/fphar.2021.663774] [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: 02/03/2021] [Accepted: 04/08/2021] [Indexed: 02/05/2023] Open
Abstract
Intestinal fibrosis is a consequence of continuous inflammatory responses that negatively affect the quality of life of patients. By screening altered proteomic profiles of mouse fibrotic colon tissues, we identified that GREM1 was dramatically upregulated in comparison to that in normal tissues. Functional experiments revealed that GREM1 promoted the proliferation and activation of intestinal fibroblast cells by enhancing fatty acid oxidation. Blocking GREM1 prevented the progression of intestinal fibrosis in vivo. Mechanistic research revealed that GREM1 acted as a ligand for VEGFR2 and triggered downstream MAPK signaling. This facilitated the expression of FAO-related genes, consequently enhancing fatty acid oxidation. Taken together, our data indicated that targeting GREM1 could represent a promising therapeutic approach for the treatment of intestinal fibrosis.
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Affiliation(s)
- Yang Yang
- Department of Gastroenterology and the Center of Inflammatory Bowel Disease, West China Hospital, Sichuan University, Chengdu, China.,Lab of Inflammatory Bowel Disease, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China.,Department of Gastroenterology, Daping Hospital, Army Medical University, Chongqing, China
| | - Qi-Shan Zeng
- Department of Gastroenterology and the Center of Inflammatory Bowel Disease, West China Hospital, Sichuan University, Chengdu, China.,Lab of Inflammatory Bowel Disease, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China
| | - Min Zou
- Department of Gastroenterology and the Center of Inflammatory Bowel Disease, West China Hospital, Sichuan University, Chengdu, China.,Lab of Inflammatory Bowel Disease, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China
| | - Jian Zeng
- Department of Gastroenterology, Chongqing Traditional Chinese Medicine Hospital, Chongqing, China
| | - Jiao Nie
- Lab of Inflammatory Bowel Disease, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China.,Department of Geriatrics and National Clinical Research Center for Geriatric, West China Hospital, Sichuan University, Chengdu, China
| | - DongFeng Chen
- Department of Gastroenterology, Daping Hospital, Army Medical University, Chongqing, China
| | - Hua-Tian Gan
- Department of Gastroenterology and the Center of Inflammatory Bowel Disease, West China Hospital, Sichuan University, Chengdu, China.,Lab of Inflammatory Bowel Disease, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China.,Department of Geriatrics and National Clinical Research Center for Geriatric, West China Hospital, Sichuan University, Chengdu, China
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Abstract
Autoimmune diseases are one of the dreadful group of human diseases that have always been of keen interest to researchers. Due to complex and broad-spectrum nature, scientists are not yet able to pinpoint the pathogenesis of and delineate effective therapy against this group of diseases. However, it is becoming clear that a decrease in number and function of T regulatory cells (Treg), an increase in autoreactive Th1/Th17 cells and associated immunomodulation and inflammation participate in the pathogenesis of many autoimmune diseases. Cinnamon (Cinnamonum verum or Cinnamonum cassia) is a widely used natural spice and flavoring ingredient and its metabolite sodium benzoate (NaB) is a food-additive and FDA-approved drug against nonketotic hyperglycinemia (NKH) and urea cycle disorders (UCD). Recent studies indicate that cinnamon either in powder or extract form and NaB are capable of modulating different autoimmune pathways as well as protecting animals from different autoimmune disorders. Here, we have made an honest attempt to delineate such pieces of evidence with available anti-autoimmune mechanisms and analyze whether cinnamon supplements could be used to control the fury of autoimmune disorders.
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Affiliation(s)
- Swarupa Pahan
- Division of Research and Development, Jesse Brown Veterans Affairs Medical Center, Chicago, USA
| | - Kalipada Pahan
- Division of Research and Development, Jesse Brown Veterans Affairs Medical Center, Chicago, USA.,Department of Neurological Sciences, Rush University Medical Center, Chicago, USA
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14
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Bañuls-Mirete M, Ogdie A, Guma M. Micronutrients: Essential Treatment for Inflammatory Arthritis? Curr Rheumatol Rep 2020; 22:87. [PMID: 33104882 PMCID: PMC8078476 DOI: 10.1007/s11926-020-00962-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/29/2020] [Indexed: 10/23/2022]
Abstract
PURPOSE OF REVIEW Synovial inflammation is characteristic of inflammatory chronic arthropathies and can cause progressive articular damage, chronic pain, and functional loss. Scientific research has increasingly focused on investigating anti-inflammatory micronutrients present in fruits, vegetables, spices, seeds, tea, and wine. This review aims to examine the anti-inflammatory effect of polyphenols (phytonutrients present in plants) and other micronutrients described in randomized clinical trials conducted in patients with chronic inflammatory arthropathies. RECENT FINDINGS There is an increasing evidence that differences in micronutrient intake might play an essential role in pathogenesis, therapeutic response, and remission of synovitis. Randomized clinical trials with specific micronutrient- or nutrient-enriched food intake show improvement of symptoms and modulation of both pro- and anti-inflammatory mediators. We found convincing evidence of the anti-inflammatory effect of several micronutrients in arthritis symptoms and inflammation. Although in clinical practice nutritional recommendations to patients with chronic joint inflammation are not consistently prescribed, the addition of these nutrients to day-to-day eating habits could potentially change the natural history of inflammatory arthritis. Future research is needed for a consensus on the specific nutritional recommendations for patients with chronic synovial inflammation.
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Affiliation(s)
- Marina Bañuls-Mirete
- Department of Medicine, School of Medicine, University of California, San Diego UCSD, 9500 Gilman Dr. MC 0663, La Jolla, CA, 92093-0663, USA
| | - Alexis Ogdie
- Division of Rheumatology, Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Monica Guma
- Department of Medicine, School of Medicine, University of California, San Diego UCSD, 9500 Gilman Dr. MC 0663, La Jolla, CA, 92093-0663, USA.
- Autonomous University of Barcelona, Barcelona, Spain.
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15
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Mei J, Ma J, Xu Y, Wang Y, Hu M, Ma F, Qin Z, Xue R, Tao N. Cinnamaldehyde Treatment of Prostate Cancer-Associated Fibroblasts Prevents Their Inhibitory Effect on T Cells Through Toll-Like Receptor 4. DRUG DESIGN DEVELOPMENT AND THERAPY 2020; 14:3363-3372. [PMID: 32884240 PMCID: PMC7443443 DOI: 10.2147/dddt.s241410] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Accepted: 07/07/2020] [Indexed: 12/31/2022]
Abstract
Introduction Cancer-associated fibroblasts (CAFs) promote tumor progression; thus, drugs that can modify CAFs need to be identified. Methods To test the effect of cinnamaldehyde on prostate CAFs, the 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyl-2H-tetrazolium bromide assay was used to determine their survival. When spleen cells were treated with CAF supernatant, the proliferation of T cells was inhibited as determined by flow cytometry. After cinnamaldehyde treatment, this immunosuppressive function of CAFs was partially reversed. To explore the molecular mechanism, Western blotting and the quantitative real-time polymerase chain reaction were applied, and TLR4-dependent signaling pathway-related protein and mRNA levels were quantified. Results Cinnamaldehyde acted on the TLR4-dependent signaling pathway, altering the function of CAFs such that its supernatant no longer inhibited the proliferation of T cells. Conclusion These data indicate that cinnamaldehyde can modify the functions of CAFs, which may be helpful for treating tumors. Cinnamaldehyde can suppress CAF T-cell inhibition.
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Affiliation(s)
- Jie Mei
- Medical Research Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, People's Republic of China.,Key Laboratory of Protein and Peptide Pharmaceuticals, Institute of Biophysics, Chinese Academy of Sciences, Beijing, People's Republic of China.,College of Life Science & Technology, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Jing Ma
- Key Laboratory of Protein and Peptide Pharmaceuticals, Institute of Biophysics, Chinese Academy of Sciences, Beijing, People's Republic of China.,College of Life Science, University of the Chinese Academy of Sciences, Beijing, People's Republic of China.,School of Basic Medical Sciences of Southwest Medical University, Luzhou, People's Republic of China
| | - Yuwei Xu
- College of Life Science, University of the Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Yuanyuan Wang
- Infinitus Chinese Herbal Immunity Research Center, Infinitus China Company Ltd, Guangzhou, People's Republic of China
| | - Minghua Hu
- Infinitus Chinese Herbal Immunity Research Center, Infinitus China Company Ltd, Guangzhou, People's Republic of China
| | - Fangli Ma
- Infinitus Chinese Herbal Immunity Research Center, Infinitus China Company Ltd, Guangzhou, People's Republic of China
| | - Zhihai Qin
- Medical Research Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, People's Republic of China.,Key Laboratory of Protein and Peptide Pharmaceuticals, Institute of Biophysics, Chinese Academy of Sciences, Beijing, People's Republic of China.,College of Life Science, University of the Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Rui Xue
- Medical Research Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, People's Republic of China
| | - Ning Tao
- Key Laboratory of Protein and Peptide Pharmaceuticals, Institute of Biophysics, Chinese Academy of Sciences, Beijing, People's Republic of China
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16
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Wu F, Shao Q, Hu M, Zhao Y, Dong R, Fang K, Xu L, Zou X, Lu F, Li J, Chen G. Wu-Mei-Wan ameliorates chronic colitis-associated intestinal fibrosis through inhibiting fibroblast activation. JOURNAL OF ETHNOPHARMACOLOGY 2020; 252:112580. [PMID: 31972322 DOI: 10.1016/j.jep.2020.112580] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 01/10/2020] [Accepted: 01/14/2020] [Indexed: 06/10/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Wu-Mei-Wan (WMW), a classic traditional Chinese herb medicine, is one of the most important formulations to treat digestive diseases from ancient times to the present. Previous study showed that WMW has satisfactory curative effects on experimental colitis, which motivating the application of WMW on colitis-associated complications. AIM OF THE STUDY Intestinal fibrosis is usually considered to be a common complication of inflammatory bowel disease (IBD), particularly Crohn's disease (CD). Currently, no effective preventive measures or medical therapies are available for that. This work was designed to evaluate the effect and related mechanism of WMW on chronic colitis-associated intestinal fibrosis mice model. MATERIALS AND METHODS The chronic colitis-associated intestinal fibrosis mice model was established by weekly intrarectal injection of 2,4,6-trinitrobenzene sulfonic acid (TNBS). The mice survival rate, disease activity index (DAI), colon length and histological score were examined to assess the therapeutic effect of WMW. Masson's trichrome staining, hydroxyproline assay, immunohistochemical staining and western blot analysis were used to evaluate fibrosis level. Colon inflammation was determined by ELISA and immunofluorescence staining. Immunofluorescence staining was used to evaluate fibroblasts proliferation and epithelial to mesenchymal transition (EMT), and the expression of key molecules in fibrosis was analyzed by western blot. RESULTS Here we showed that WMW alleviates chronic colitis with improved survival rate, DAI, colon length and histological score. WMW inhibited the progression of intestinal fibrosis, decreased the expression of various fibrosis markers, such as α-SMA, collagen I, MMP-9 and fibronectin. In addition, WMW treatment reduced cytokines IL-6 and IFN-γ, and downregulated proinflammatory NF-κBp65 and STAT3 signaling pathways. Importantly, administration of WMW led to the inhibition of colon fibroblast proliferation and EMT, which are important mediators during fibrosis. Several key profibrotic pathways, including TGF-β/Smad and Wnt/β-catenin pathways, were downregulated by WMW treatment. CONCLUSION Our work demonstrated that WMW can prevent intestinal fibrosis and the mechanisms involved may be related to the inhibition of colon fibroblasts activation.
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Affiliation(s)
- Fan Wu
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
| | - Qingqing Shao
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
| | - Meilin Hu
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
| | - Yan Zhao
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
| | - Ruolan Dong
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
| | - Ke Fang
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
| | - Lijun Xu
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
| | - Xin Zou
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
| | - Fuer Lu
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
| | - Jingbin Li
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
| | - Guang Chen
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
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17
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Ose R, Tu J, Schink A, Maxeiner J, Schuster P, Lucas K, Saloga J, Bellinghausen I. Cinnamon extract inhibits allergen-specific immune responses in human and murine allergy models. Clin Exp Allergy 2019; 50:41-50. [PMID: 31573731 DOI: 10.1111/cea.13507] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 09/16/2019] [Accepted: 09/16/2019] [Indexed: 12/16/2022]
Abstract
BACKGROUND Ceylon cinnamon has been shown to possess anti-inflammatory properties in many diseases including allergic inflammation. OBJECTIVE The aim of this study was to analyse in more detail the effects of cinnamon extract (CE) and its major compounds p-cymene and trans-cinnamaldehyde (CA) on allergen-specific immune responses in vitro and in vivo. METHODS Therefore, monocyte-derived mature dendritic cells (DC) from grass or birch pollen allergic donors were pulsed with the respective allergen in the presence or absence of CE, p-cymene, CA or the solvent ethanol and co-cultured with autologous CD4+ T cells. Furthermore, basophil activation test was performed with or without CE or ethanol treatment. For the in vivo experiments, BALB/c mice were immunized with ovalbumin (OVA) and orally treated with CE or ethanol. RESULTS Addition of CE, p-cymene or CA, but not ethanol significantly inhibited DC maturation and subsequent allergen-specific T cell proliferation as well as Th1 and Th2 cytokine production. Sulphidoleukotriene release and CD63 expression by basophils were also significantly diminished after addition of CE. In vivo, treatment of OVA-sensitized mice with CE led to a significant shift from OVA-specific IgE towards IgG2a production and to a strong inhibition of OVA-specific proliferation. Moreover, airway inflammation as well as anaphylaxis after intranasal or systemic allergen challenge was significantly reduced in CE-treated mice. Furthermore, topical application of CE prevented calcipotriol-induced atopic dermatitis-like inflammation in these mice. CONCLUSIONS AND CLINICAL RELEVANCE Taken together, our data indicate that the anti-inflammatory effect of cinnamon might be exploited for treatment of allergic inflammation, which needs to be further investigated.
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Affiliation(s)
- Robert Ose
- Department of Dermatology, University Medical Center, Mainz, Germany
| | - Jessica Tu
- Department of Dermatology, University Medical Center, Mainz, Germany
| | - Anne Schink
- Max Planck Institute for Chemistry, Mainz, Germany
| | - Joachim Maxeiner
- Asthma Core Facility, Research Center for Immunotherapy (FZI), Mainz, Germany
| | - Petra Schuster
- Asthma Core Facility, Research Center for Immunotherapy (FZI), Mainz, Germany
| | - Kurt Lucas
- Max Planck Institute for Chemistry, Mainz, Germany
| | - Joachim Saloga
- Department of Dermatology, University Medical Center, Mainz, Germany
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18
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Yaribeygi H, Simental‐Mendía LE, Butler AE, Sahebkar A. Protective effects of plant‐derived natural products on renal complications. J Cell Physiol 2018; 234:12161-12172. [DOI: 10.1002/jcp.27950] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 11/19/2018] [Indexed: 12/22/2022]
Affiliation(s)
- Habib Yaribeygi
- Chronic Kidney Disease Research Center Shahid Beheshti University of Medical Sciences Tehran Iran
| | | | | | - Amirhossein Sahebkar
- Biotechnology Research Center Pharmaceutical Technology Institute, Mashhad University of Medical Sciences Mashhad Iran
- Neurogenic Inflammation Research Center Mashhad University of Medical Sciences Mashhad Iran
- School of Pharmacy Mashhad University of Medical Sciences Mashhad Iran
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19
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Schink A, Neumann J, Leifke AL, Ziegler K, Fröhlich-Nowoisky J, Cremer C, Thines E, Weber B, Pöschl U, Schuppan D, Lucas K. Screening of herbal extracts for TLR2- and TLR4-dependent anti-inflammatory effects. PLoS One 2018; 13:e0203907. [PMID: 30307962 PMCID: PMC6181297 DOI: 10.1371/journal.pone.0203907] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 08/29/2018] [Indexed: 12/18/2022] Open
Abstract
Herbal extracts represent an ample source of natural compounds, with potential to be used in improving human health. There is a growing interest in using natural extracts as possible new treatment strategies for inflammatory diseases. We therefore aimed at identifying herbal extracts that affect inflammatory signaling pathways through toll-like receptors (TLRs), TLR2 and TLR4. Ninety-nine ethanolic extracts were screened in THP-1 monocytes and HeLa-TLR4 transfected reporter cells for their effects on stimulated TLR2 and TLR4 signaling pathways. The 28 identified anti-inflammatory extracts were tested in comparative assays of stimulated HEK-TLR2 and HEK-TLR4 transfected reporter cells to differentiate between direct TLR4 antagonistic effects and interference with downstream signaling cascades. Furthermore, the ten most effective anti-inflammatory extracts were tested on their ability to inhibit nuclear factor-κB (NF-κB) translocation in HeLa-TLR4 transfected reporter cell lines and for their ability to repolarize M1-type macrophages. Ethanolic extracts which showed the highest anti-inflammatory potential, up to a complete inhibition of pro-inflammatory cytokine production were Castanea sativa leaves, Cinchona pubescens bark, Cinnamomum verum bark, Salix alba bark, Rheum palmatum root, Alchemilla vulgaris plant, Humulus lupulus cones, Vaccinium myrtillus berries, Curcuma longa root and Arctostaphylos uva-ursi leaves. Moreover, all tested extracts mitigated not only TLR4, but also TLR2 signaling pathways. Seven of them additionally inhibited translocation of NF-κB into the nucleus. Two of the extracts showed impact on repolarization of pro-inflammatory M1-type to anti-inflammatory M2-type macrophages. Several promising anti-inflammatory herbal extracts were identified in this study, including extracts with previously unknown influence on key TLR signaling pathways and macrophage repolarization, serving as a basis for novel lead compound identification.
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Affiliation(s)
- Anne Schink
- Multiphase Chemistry Department, Max Planck Institute for Chemistry, Mainz, Germany
| | - Jan Neumann
- Multiphase Chemistry Department, Max Planck Institute for Chemistry, Mainz, Germany
- Institute of Molecular Biology, Mainz, Germany
| | - Anna Lena Leifke
- Multiphase Chemistry Department, Max Planck Institute for Chemistry, Mainz, Germany
| | - Kira Ziegler
- Multiphase Chemistry Department, Max Planck Institute for Chemistry, Mainz, Germany
| | | | - Christoph Cremer
- Multiphase Chemistry Department, Max Planck Institute for Chemistry, Mainz, Germany
- Institute of Molecular Biology, Mainz, Germany
| | - Eckhard Thines
- Institut für Biotechnologie und Wirkstoff-Forschung gGmbH, Kaiserslautern, Germany
- Institute of Molecular Physiology, Johannes Gutenberg University Mainz, Mainz, Germany
| | - Bettina Weber
- Multiphase Chemistry Department, Max Planck Institute for Chemistry, Mainz, Germany
| | - Ulrich Pöschl
- Multiphase Chemistry Department, Max Planck Institute for Chemistry, Mainz, Germany
| | - Detlef Schuppan
- Institute of Translational Immunology, University of Mainz Medical Center, Mainz, Germany
- Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States of America
| | - Kurt Lucas
- Multiphase Chemistry Department, Max Planck Institute for Chemistry, Mainz, Germany
- * E-mail:
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20
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Abstract
PURPOSE Inflammatory bowel disease (IBD) shows increasing prevalence over the last years. We propose that anti-inflammatory plant substances could be used as additional or alternative agents with good compliance in prevention and/or therapy of IBD and its complication intestinal fibrosis. We could recently show that the citrus flavonoid nobiletin acts anti-inflammatory on activation of intestinal mast cells. Here, we analysed the effects of nobiletin on inflammation and fibrosis in IL-10-/- colitis. METHODS IL-10-/- and wild-type (WT) mice were orally treated with/without vehicle or nobiletin. Clinical symptoms of colitis and disease activity index (DAI) were assessed, and colon tissue was analysed for tissue damage, cellular infiltration, bowel wall thickness, mast cell number and degranulation, as well as collagen deposition as marker for fibrosis. Human intestinal fibroblasts (hiFB) were treated with nobiletin and the expression of collagen and pro-inflammatory cytokines was measured. RESULTS Nobiletin treatment of IL-10-/- mice resulted in a reduction of clinical colitis symptoms and a longer survival time. In addition, histological scores of colitis were reduced compared to control groups. Mast cell number and degranulation was lower in nobiletin treated IL-10-/- mice, and correlated positively with DAI. As well, fibrotic marker of collagen deposition was reduced by nobiletin. In hiFB, the expression of collagen as well as of pro-inflammatory cytokines IL-6, TNF and CCL2 was down-regulated by nobiletin treatment. CONCLUSIONS Nobiletin decreases inflammatory symptoms and markers in murine colitis as well as fibrotic collagen deposition and expression. Thus, nobiletin could be a potential new agent in therapy of chronic colitis.
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21
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Schink A, Naumoska K, Kitanovski Z, Kampf CJ, Fröhlich-Nowoisky J, Thines E, Pöschl U, Schuppan D, Lucas K. Anti-inflammatory effects of cinnamon extract and identification of active compounds influencing the TLR2 and TLR4 signaling pathways. Food Funct 2018; 9:5950-5964. [DOI: 10.1039/c8fo01286e] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Cinnamon extract and its active compounds attenuate TLR2-/TLR4-mediated inflammatory processes.
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Affiliation(s)
- Anne Schink
- Multiphase Chemistry Department
- Max Planck Institute for Chemistry
- 55128 Mainz
- Germany
| | - Katerina Naumoska
- Multiphase Chemistry Department
- Max Planck Institute for Chemistry
- 55128 Mainz
- Germany
- Department of Food Chemistry
| | - Zoran Kitanovski
- Multiphase Chemistry Department
- Max Planck Institute for Chemistry
- 55128 Mainz
- Germany
| | - Christopher Johannes Kampf
- Multiphase Chemistry Department
- Max Planck Institute for Chemistry
- 55128 Mainz
- Germany
- Institute of Organic Chemistry
| | | | - Eckhard Thines
- Institut für Biotechnologie und Wirkstoff Forschung gGmbH
- Kaiserslautern
- Germany
- Institute of Molecular Physiology
- Johannes Gutenberg University Mainz
| | - Ulrich Pöschl
- Multiphase Chemistry Department
- Max Planck Institute for Chemistry
- 55128 Mainz
- Germany
| | - Detlef Schuppan
- Institute of Translational Immunology
- University Medical Center of the Johannes Gutenberg University
- 55131 Mainz
- Germany
- Division of Gastroenterology
| | - Kurt Lucas
- Multiphase Chemistry Department
- Max Planck Institute for Chemistry
- 55128 Mainz
- Germany
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