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Ebrahimi A, Andishmand H, Huo C, Amjadi S, Khezri S, Hamishehkar H, Mahmoudzadeh M, Kim KH. Glycomacropeptide: A comprehensive understanding of its major biological characteristics and purification methodologies. Compr Rev Food Sci Food Saf 2024; 23:e13370. [PMID: 38783570 DOI: 10.1111/1541-4337.13370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 04/01/2024] [Accepted: 04/30/2024] [Indexed: 05/25/2024]
Abstract
Glycomacropeptide (GMP) is a bioactive peptide derived from whey protein, consisting of 64 amino acids. It is a phenylalanine-free peptide, making it a beneficial dietary option for individuals dealing with phenylketonuria (PKU). PKU is an inherited metabolic disorder characterized by high levels of phenylalanine in the bloodstream, resulting from a deficiency of phenylalanine dehydrogenase in affected individuals. Consequently, patients with PKU require lifelong adherence to a low-phenylalanine diet, wherein a significant portion of their protein intake is typically sourced from a phenylalanine-free amino acid formula. GMP has several nutritional values, numerous bioactivity properties, and therapeutic effects in various inflammatory disorders. Despite all these features, the purification of GMP is an imperative requirement; however, there are no unique methods for achieving this goal. Traditionally, several methods have been used for GMP purification, such as thermal or acid treatment, alcoholic precipitation, ultrafiltration (UF), gel filtration, and membrane separation techniques. However, these methods have poor specificity, and the presence of large amounts of impurities can interfere with the analysis of GMP. More efficient and highly specific GMP purification methods need to be developed. In this review, we have highlighted and summarized the current research progress on the major biological features and purification methodologies associated with GMP, as well as providing an extensive overview of the recent developments in using charged UF membranes for GMP purification and the influential factors.
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Affiliation(s)
- Alireza Ebrahimi
- Student research committee, Department of Food Science and Technology, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hashem Andishmand
- Research Center for Food Hygiene and Safety, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
- Department of Food Hygiene and Safety, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Chen Huo
- School of Pharmacy, Sungkyunkwan University, Suwon, South Korea
| | - Sajed Amjadi
- Department of Food Nanotechnology, Research Institute of Food Science and Technology (RIFST), Mashhad, Iran
| | - Sima Khezri
- Student research committee, Department of Food Science and Technology, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hamed Hamishehkar
- Drug Applied Research Centre, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Mahmoudzadeh
- Drug Applied Research Centre, Tabriz University of Medical Sciences, Tabriz, Iran
- Nutrition Research Center, Department of Food Science and Technology, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ki Hyun Kim
- School of Pharmacy, Sungkyunkwan University, Suwon, South Korea
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Wang Y, Gong Y, Farid MS, Zhao C. Milk: A Natural Guardian for the Gut Barrier. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:8285-8303. [PMID: 38588092 DOI: 10.1021/acs.jafc.3c06861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
The gut barrier plays an important role in health maintenance by preventing the invasion of dietary pathogens and toxins. Disruption of the gut barrier can cause severe intestinal inflammation. As a natural source, milk is enriched with many active constituents that contribute to numerous beneficial functions, including immune regulation. These components collectively serve as a shield for the gut barrier, protecting against various threats such as biological, chemical, mechanical, and immunological threats. This comprehensive review delves into the active ingredients in milk, encompassing casein, α-lactalbumin, β-lactoglobulin, lactoferrin, the milk fat globular membrane, lactose, transforming growth factor, and glycopeptides. The primary focus is to elucidate their impact on the integrity and function of the gut barrier. Furthermore, the implications of different processing methods of dairy products on the gut barrier protection are discussed. In conclusion, this study aimed to underscore the vital role of milk and dairy products in sustaining gut barrier health, potentially contributing to broader perspectives in nutritional sciences and public health.
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Affiliation(s)
- Yanli Wang
- College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Yiyao Gong
- College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | | | - Changhui Zhao
- College of Food Science and Engineering, Jilin University, Changchun 130062, China
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Vitória Minzoni de Souza Iacia M, Eduarda Ferraz Mendes M, Cristiny de Oliveira Vieira K, Cristine Marques Ruiz G, José Leopoldo Constantino C, da Silva Martin C, Eloizo Job A, Alborghetti Nai G, Kretli Winkelstroter Eller L. Evaluation of curcumin nanoemulsion effect to prevent intestinal damage. Int J Pharm 2024; 650:123683. [PMID: 38092264 DOI: 10.1016/j.ijpharm.2023.123683] [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: 09/05/2023] [Revised: 11/20/2023] [Accepted: 12/05/2023] [Indexed: 12/26/2023]
Abstract
Curcumin has gained great prominence for the prevention and treatment of inflammatory bowel disease. However, studies have reported the low bioavailability of orally administered curcumin. This work aimed to evaluate the characteristics, stability and effects of a curcumin-carrying nanoemulsion in preventing intestinal damage induced by indomethacin. Nanoemulsions containing curcumin were prepared by spontaneous emulsification method and it was characterized by dynamic light scattering (DLS), zeta potential and the morphology was evaluated by scanning electron microscopy (SEM). Its stability was tested under different conditions of pH, temperature at 0, 7, 14, 21 and 28 days. In animal experimentation, 36 male mice of the Mus musculus lineage (C57BL/6) were used. The intestinal inflammation was evaluated based on macroscopic, histopathological and metagenomic analysis. It was found a stable nanoemulsion with a size of 409.8 nm, polydispersion index (PDI) of 0.132 and zeta potential of -18.8 mV. However, these lost charge in pH2, showing instability in acidic media (p < 0.05). In animal experiments, the nanoemulsion did not significantly improve intestinal inflammation. However, the group treated with curcumin nanoemulsion showed a higher relative abundance of the genus Lactobacillus (p < 0.05). In conclusion, the curcumin nanoemulsion was relevant in the modulation of the intestinal microbiota.
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Affiliation(s)
| | | | | | - Gilia Cristine Marques Ruiz
- Department of Physics, Faculty of Science and Technology, Universidade Estadual Paulista, FCT/UNESP, Presidente Prudente, SP, Brazil
| | - Carlos José Leopoldo Constantino
- Department of Physics, Faculty of Science and Technology, Universidade Estadual Paulista, FCT/UNESP, Presidente Prudente, SP, Brazil
| | - Cibely da Silva Martin
- Department of Physics, Faculty of Science and Technology, Universidade Estadual Paulista, FCT/UNESP, Presidente Prudente, SP, Brazil
| | - Aldo Eloizo Job
- Department of Physics, Faculty of Science and Technology, Universidade Estadual Paulista, FCT/UNESP, Presidente Prudente, SP, Brazil
| | - Gisele Alborghetti Nai
- Master's in Health Sciences - Universidade do Oeste Paulista/UNOESTE, Presidente Prudente, SP, Brazil; Program of Animal Science - Universidade do Oeste Paulista/UNOESTE, Presidente Prudente, Brazil
| | - Lizziane Kretli Winkelstroter Eller
- Faculty of Health Sciences - Universidade do Oeste Paulista/UNOESTE, Presidente Prudente, SP, Brazil; Master's in Health Sciences - Universidade do Oeste Paulista/UNOESTE, Presidente Prudente, SP, Brazil; Program of Animal Science - Universidade do Oeste Paulista/UNOESTE, Presidente Prudente, Brazil.
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Zhao J, Zhao F, Yuan J, Liu H, Wang Y. Gut microbiota metabolites, redox status, and the related regulatory effects of probiotics. Heliyon 2023; 9:e21431. [PMID: 38027795 PMCID: PMC10643359 DOI: 10.1016/j.heliyon.2023.e21431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 09/29/2023] [Accepted: 10/20/2023] [Indexed: 12/01/2023] Open
Abstract
Oxidative stress is a state of imbalance between oxidation and antioxidation. It is caused by excess levels of free radicals and leads to the damage of DNA, proteins, and lipids. The crucial role of gut microbiota in regulating oxidative stress has been widely demonstrated. Studies have suggested that the redox regulatory effects of gut microbiota are related to gut microbiota metabolites, including fatty acids, lipopolysaccharides, tryptophan metabolites, trimethylamine-N-oxide and polyphenolic metabolites. In recent years, the potential benefits of probiotics have been gaining increasing scientific interest owing to their ability to modulate gut microbiota and oxidative stress. In this review, we summarise the adverse health effects of oxidative stress and discuss the role of the gut microbiota and its metabolites in redox regulation. Based on the influence of gut microbiota metabolites, the roles of probiotics in preventing oxidative stress are highlighted.
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Affiliation(s)
| | | | - Junmeng Yuan
- College of Animal Science and Technology, Qingdao Agricultural University, 266109, Qingdao, China
| | - Huawei Liu
- College of Animal Science and Technology, Qingdao Agricultural University, 266109, Qingdao, China
| | - Yang Wang
- College of Animal Science and Technology, Qingdao Agricultural University, 266109, Qingdao, China
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Qu Y, Park SH, Dallas DC. The Role of Bovine Kappa-Casein Glycomacropeptide in Modulating the Microbiome and Inflammatory Responses of Irritable Bowel Syndrome. Nutrients 2023; 15:3991. [PMID: 37764775 PMCID: PMC10538225 DOI: 10.3390/nu15183991] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 09/10/2023] [Accepted: 09/12/2023] [Indexed: 09/29/2023] Open
Abstract
Irritable bowel syndrome (IBS) is a common gastrointestinal disorder marked by chronic abdominal pain, bloating, and irregular bowel habits. Effective treatments are still actively sought. Kappa-casein glycomacropeptide (GMP), a milk-derived peptide, holds promise because it can modulate the gut microbiome, immune responses, gut motility, and barrier functions, as well as binding toxins. These properties align with the recognized pathophysiological aspects of IBS, including gut microbiota imbalances, immune system dysregulation, and altered gut barrier functions. This review delves into GMP's role in regulating the gut microbiome, accentuating its influence on bacterial populations and its potential to promote beneficial bacteria while inhibiting pathogenic varieties. It further investigates the gut microbial shifts observed in IBS patients and contemplates GMP's potential for restoring microbial equilibrium and overall gut health. The anti-inflammatory attributes of GMP, especially its impact on vital inflammatory markers and capacity to temper the low-grade inflammation present in IBS are also discussed. In addition, this review delves into current research on GMP's effects on gut motility and barrier integrity and examines the changes in gut motility and barrier function observed in IBS sufferers. The overarching goal is to assess the potential clinical utility of GMP in IBS management.
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Affiliation(s)
- Yunyao Qu
- Department of Food Science & Technology, Oregon State University, Corvallis, OR 97331, USA; (Y.Q.); (S.H.P.)
- Nutrition Program, College of Health, Oregon State University, Corvallis, OR 97331, USA
| | - Si Hong Park
- Department of Food Science & Technology, Oregon State University, Corvallis, OR 97331, USA; (Y.Q.); (S.H.P.)
| | - David C. Dallas
- Department of Food Science & Technology, Oregon State University, Corvallis, OR 97331, USA; (Y.Q.); (S.H.P.)
- Nutrition Program, College of Health, Oregon State University, Corvallis, OR 97331, USA
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Nielsen SDH, Liang N, Rathish H, Kim BJ, Lueangsakulthai J, Koh J, Qu Y, Schulz HJ, Dallas DC. Bioactive milk peptides: an updated comprehensive overview and database. Crit Rev Food Sci Nutr 2023:1-20. [PMID: 37504497 PMCID: PMC10822030 DOI: 10.1080/10408398.2023.2240396] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
Partial digestion of milk proteins leads to the formation of numerous bioactive peptides. Previously, our research team thoroughly examined the decades of existing literature on milk bioactive peptides across species to construct the milk bioactive peptide database (MBPDB). Herein, we provide a comprehensive update to the data within the MBPDB and a review of the current state of research for each functional category from in vitro to animal and clinical studies, including angiotensin-converting enzyme (ACE)-inhibitory, antimicrobial, antioxidant, dipeptidyl peptidase (DPP)-IV inhibitory, opioid, anti-inflammatory, immunomodulatory, calcium absorption and bone health and anticancer activity. This information will help drive future research on the bioactivities of milk peptides.
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Affiliation(s)
| | - Ningjian Liang
- Nutrition Program, College of Health, Oregon State University, Corvallis, Oregon, USA
| | - Harith Rathish
- Department of Computer Science, Aarhus University, Aarhus, Denmark
| | - Bum Jin Kim
- Nutrition Program, College of Health, Oregon State University, Corvallis, Oregon, USA
| | | | - Jeewon Koh
- Nutrition Program, College of Health, Oregon State University, Corvallis, Oregon, USA
| | - Yunyao Qu
- Nutrition Program, College of Health, Oregon State University, Corvallis, Oregon, USA
| | - Hans-Jörg Schulz
- Department of Computer Science, Aarhus University, Aarhus, Denmark
| | - David C. Dallas
- Nutrition Program, College of Health, Oregon State University, Corvallis, Oregon, USA
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Wei JD, Xu X. Oxidative stress in Wernicke's encephalopathy. Front Aging Neurosci 2023; 15:1150878. [PMID: 37261263 PMCID: PMC10229051 DOI: 10.3389/fnagi.2023.1150878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 05/02/2023] [Indexed: 06/02/2023] Open
Abstract
Wernicke's encephalopathy (WE) is a severe life-threatening disease that occurs due to vitamin B1 (thiamine) deficiency (TD). It is characterized by acute mental disorder, ataxia, and ophthalmoplegia. TD occurs because of the following reasons: insufficient intake, increased demand, and long-term drinking due to corresponding organ damage or failure. Recent studies showed that oxidative stress (OS) can damage organs and cause TD in the brain, which further leads to neurodegenerative diseases, such as WE. In this review, we discuss the effects of TD caused by OS on multiple organ systems, including the liver, intestines, and brain in WE. We believe that strengthening the human antioxidant system and reducing TD can effectively treat WE.
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Affiliation(s)
- Jun-Dong Wei
- Department of Basic Medical Science, Medical College, Taizhou University, Taizhou, China
| | - Xueming Xu
- Department of Psychiatry, Taizhou Second People's Hospital, Taizhou, China
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Córdova-Dávalos LE, Cervantes-García D, Ballona-Alba MF, Santos-López A, Esquivel-Basaldúa AS, Gallegos-Alcalá P, Jiménez M, Salinas E. Protective Effect of Glycomacropeptide on the Inflammatory Response of U937 Macrophages. Foods 2023; 12:foods12071528. [PMID: 37048349 PMCID: PMC10094090 DOI: 10.3390/foods12071528] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 03/30/2023] [Accepted: 03/31/2023] [Indexed: 04/07/2023] Open
Abstract
Macrophages play crucial roles in inflammation and oxidative stress associated with noncommunicable diseases, such as cardiovascular diseases, diabetes, and cancer. Glycomacropeptide (GMP) is a bioactive peptide derived from milk κ-casein that contains abundant sialic acid and has shown anti-inflammatory, antioxidative, anti-obesity, and anti-diabetic properties when is orally administered. The aim of this study was to evaluate the effect of GMP on the regulation of the inflammatory response in human macrophages and the participation of sialic acid in this activity. GMP pretreatment decreased by 35%, 35%, and 49% the production of nitrites, interleukin (IL)-1β, and tumor necrosis factor (TNF)-α, respectively, in activated human macrophages U937. The same effect was obtained when cells were pretreated with asialo GMP, and no change on the gene expression of the lectins associated with the recognition of sialic acids, SIGLEC5, 7, and 9, was induced by GMP on macrophages, which suggests that sialic acid might not be involved in this immunoregulatory effect. Interestingly, GMP increased 8.9- and 3.5-fold the gene expression of the canonical anti-inflammatory protein SOCS3 and the antioxidant enzyme HMOX1, respectively, in U937 cells. Thus, GMP exerts anti-inflammatory and antioxidative activities on activated macrophages in a sialic acid-independent manner, which might be related to its in vivo reported bioactivity.
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Affiliation(s)
- Laura Elena Córdova-Dávalos
- Laboratory of Immunology, Department of Microbiology, Center of Basic Science, Universidad Autónoma de Aguascalientes, Av. Universidad # 940, Aguascalientes 20100, Mexico
| | - Daniel Cervantes-García
- Laboratory of Immunology, Department of Microbiology, Center of Basic Science, Universidad Autónoma de Aguascalientes, Av. Universidad # 940, Aguascalientes 20100, Mexico
- National Council of Science and Technology, Av. de los Insurgentes Sur 1582, Crédito Constructor, Benito Juárez, Ciudad de México 03940, Mexico
| | - Maria Fernanda Ballona-Alba
- Laboratory of Immunology, Department of Microbiology, Center of Basic Science, Universidad Autónoma de Aguascalientes, Av. Universidad # 940, Aguascalientes 20100, Mexico
| | - Alejandra Santos-López
- Laboratory of Immunology, Department of Microbiology, Center of Basic Science, Universidad Autónoma de Aguascalientes, Av. Universidad # 940, Aguascalientes 20100, Mexico
| | - Alma Saraí Esquivel-Basaldúa
- Laboratory of Immunology, Department of Microbiology, Center of Basic Science, Universidad Autónoma de Aguascalientes, Av. Universidad # 940, Aguascalientes 20100, Mexico
| | - Pamela Gallegos-Alcalá
- Laboratory of Immunology, Department of Microbiology, Center of Basic Science, Universidad Autónoma de Aguascalientes, Av. Universidad # 940, Aguascalientes 20100, Mexico
| | - Mariela Jiménez
- Laboratory of Immunology, Department of Microbiology, Center of Basic Science, Universidad Autónoma de Aguascalientes, Av. Universidad # 940, Aguascalientes 20100, Mexico
| | - Eva Salinas
- Laboratory of Immunology, Department of Microbiology, Center of Basic Science, Universidad Autónoma de Aguascalientes, Av. Universidad # 940, Aguascalientes 20100, Mexico
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Koh J, Kim BJ, Qu Y, Dallas DC. Mass spectral profiling of caseinomacropeptide extracted from feeding material and jejunal fluid using three methods-ethanol precipitation, perchloric acid precipitation, and ultrafiltration. Food Chem 2023; 398:133864. [PMID: 35969996 DOI: 10.1016/j.foodchem.2022.133864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 08/02/2022] [Accepted: 08/03/2022] [Indexed: 01/05/2023]
Abstract
The ability of bovine κ-casein-derived caseinomacropeptide (CMP) to exert bioactivity in the human gut depends on its digestive survival. Sampling from the human jejunum after feeding CMP and top-down glycopeptidomics analysis facilitates the determination of CMP survival. To reduce interference from non-target molecules in mass spectrometric analysis, CMP must be isolated from digestive fluid. To identify an optimal extraction method, this study compared the profiles of CMP extracted from feeding material (commercial CMP in water) and digestive fluid by ethanol precipitation, perchloric acid (PCA) precipitation, and ultrafiltration. Ethanol precipitation yielded the highest ion abundances for aglycosylated CMP and glycosylated CMP in both feeding material and jejunal samples. Notably, PCA precipitation yielded the highest abundance of partially digested CMP-derived fragments in jejunal samples. Overall, ethanol precipitation was the most effective among the methods tested for intact CMP extraction from jejunal fluids, whereas PCA precipitation was optimal for extraction of CMP fragments.
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Affiliation(s)
- Jeewon Koh
- Nutrition Program, School of Biological and Population Health Sciences, College of Public Health and Human Sciences, Oregon State University, 2520 SW Campus Way, Corvallis, OR 97331, USA.
| | - Bum Jin Kim
- Nutrition Program, School of Biological and Population Health Sciences, College of Public Health and Human Sciences, Oregon State University, 2520 SW Campus Way, Corvallis, OR 97331, USA.
| | - Yunyao Qu
- Nutrition Program, School of Biological and Population Health Sciences, College of Public Health and Human Sciences, Oregon State University, 2520 SW Campus Way, Corvallis, OR 97331, USA; Department of Food Science and Technology, Oregon State University, 100 Wiegand Hall, Corvallis, OR 97331, USA.
| | - David C Dallas
- Nutrition Program, School of Biological and Population Health Sciences, College of Public Health and Human Sciences, Oregon State University, 2520 SW Campus Way, Corvallis, OR 97331, USA; Department of Food Science and Technology, Oregon State University, 100 Wiegand Hall, Corvallis, OR 97331, USA.
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Cell-free probiotic supernatant (CFS) treatment alleviates indomethacin-induced enterocolopathy in BALB/c mice by down-modulating inflammatory response and oxidative stress: potential alternative targeted treatment. Inflammopharmacology 2022; 30:1685-1703. [PMID: 35505268 DOI: 10.1007/s10787-022-00996-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 04/08/2022] [Indexed: 11/05/2022]
Abstract
Probiotics and their metabolites appear to be a promising approach that targets both the intestinal inflammation and dysbiosis in bowel diseases. In this context, the emergence of the probiotic cell-free supernatant (CFS) has attracted more attention as a safe and targeted alternative therapy with reduced side effects. The use of nonsteroidal anti-inflammatory drugs (NSAIDs) can cause significant intestinal alterations and inflammation, leading to experimental enterocolopathy resembling Crohn disease. Therefore, we investigated the effect of CFS supplementation on the inflammation and the mucosal intestinal alterations induced by NSAIDs, indomethacin. In the current study, a murine model of intestinal inflammation was generated by the oral gavage (o.g) of indomethacin (10 mg/kg) to BALB/C mice. A group of mice treated with indomethacin was concomitantly treated orally by CFS for 5 days. The Body Health Condition index was monitored, and histological scores were evaluated. Moreover, oxidative and pro-inflammatory markers were assessed. Interestingly, we observed that CFS treatment attenuated the severity of the intestinal inflammation in our enterocolopathy model and resulted in the improvement of the clinical symptoms and the histopathological features. Notably, nitric oxide, tumor necrosis factor alpha, malondialdehyde, and myeloperoxidase levels were down-modulated by CFS supplementation. Concomitantly, an attenuation of NF-κB p65, iNOS, COX2 expression in the ileum and the colon was reported. Collectively, our data suggest that CFS treatment has a beneficial effect in experimental enterocolopathy model and could constitute a good therapeutic candidate for alleviating inflammatory responses and to maintain mucosal homeostasis during chronic and severe conditions of intestinal inflammation.
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Koh J, Kim BJ, Qu Y, Huang H, Dallas DC. Top-Down Glycopeptidomics Reveals Intact Glycomacropeptide Is Digested to a Wide Array of Peptides in Human Jejunum. J Nutr 2022; 152:429-438. [PMID: 34850069 DOI: 10.1093/jn/nxab400] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 09/30/2021] [Accepted: 11/19/2021] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Bovine milk κ-casein-derived caseinomacropeptide (CMP) is produced in large quantities during cheese-making and has various biological activities demonstrated via in vitro and in vivo experiments. Previous studies examined protein degradation and peptide release after casein or whey protein consumption. However, whether purified intact CMP that is partially glycosylated survives intact to its presumed site of bioactivity within the gut remains unknown. OBJECTIVES The aim of this study was to determine the extent to which purified intact CMP (including glycosylated forms) is digested into peptide fragments within the jejunum of healthy human adults after consumption. METHODS Jejunal fluids were collected from 3 adult participants (2 men and 1 woman, age: 27 ± 7 y; BMI: 23 ± 1 kg/m2) for 3 h after consuming 37.5 g of purified intact CMP. CMP and CMP-derived peptides were isolated from the collected jejunal fluids by ethanol precipitation and solid-phase extraction and identified by MS-based top-down glycopeptidomics. Relative abundances of CMP and CMP-derived peptides were compared qualitatively between the feed and the jejunal fluids. RESULTS Intact CMP was dominant in feeding material, accounting for 90% of the total ion abundance of detected peptides, and in very low abundance (<2%) in the jejunal fluids. CMP-derived fragment peptides ranging from 11 to 20 amino acids in length were predominant (accounting for 68-88% of the total peptide ion abundance) in jejunal fluids during 1-3 h post consumption. CONCLUSIONS This study demonstrates that intact CMP (including glycosylated forms) is mostly digested in the human jejunum, releasing a wide array of CMP-derived peptide fragments. Some of the CMP-derived peptides with high homology to known bioactive peptides consistently survived across 3 h of digestion. Therefore, future research should examine the biological effects of the partially digested form-the CMP-derived fragments-rather than those of intact CMP.
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Affiliation(s)
- Jeewon Koh
- Nutrition Program, School of Biological and Population Health Sciences, College of Public Health and Human Sciences, Oregon State University, Corvallis, OR, USA
| | - Bum Jin Kim
- Nutrition Program, School of Biological and Population Health Sciences, College of Public Health and Human Sciences, Oregon State University, Corvallis, OR, USA
| | - Yunyao Qu
- Nutrition Program, School of Biological and Population Health Sciences, College of Public Health and Human Sciences, Oregon State University, Corvallis, OR, USA.,Department of Food Science and Technology, Oregon State University, Corvallis, OR, USA
| | - Honggang Huang
- Research and Development, Arla Foods Ingredients Group P/S, Viby J, Denmark
| | - David C Dallas
- Nutrition Program, School of Biological and Population Health Sciences, College of Public Health and Human Sciences, Oregon State University, Corvallis, OR, USA.,Department of Food Science and Technology, Oregon State University, Corvallis, OR, USA
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Wei Y, Ren S, Wang J, Wang Y, Cui Y, Tian M, Wang R, Liu H, Zhao Y. Dehydroevodiamine ameliorates indomethacin-induced gastric injury via inhibition of ERK and p38 signaling pathway. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2021; 93:153764. [PMID: 34628242 DOI: 10.1016/j.phymed.2021.153764] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 09/12/2021] [Accepted: 09/16/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Dehydroevodiamine (DHE), a pivotal quinazoline alkaloid isolated from Fructus Evodiae (Tetradium ruticarpum (A. Juss.) Hartley), has various pharmacological effects. However, the effect of DHE on gastric injury is still uncharted. PURPOSE To clarify the pharmacological effect and mechanism of DHE on gastric injury (GI) induced by indomethacin (IDO). STUDY DESIGN The gastric injury was induced in rat by oral administration of 5 mg/kg IDO for 7 days. Then the rats were treated with DHE (10, 20, 40 mg/kg, ig) for 7 days. METHODS The changes of food intake, body weight, gastric pH and general state observation were determined. And HE staining and AB-PAS staining was analyzed. Then, the inflammatory infiltration of gastric tissue was observed through MPO immunohistochemical approach, and the expression of TNF-α, IL-6 and IL-10 were measured. Furthermore, the levels of proteins ERK, p-ERK, P38, p-P38, JNK and p-JNK were determined to elucidate the molecular mechanism of DHE. RESULTS DHE alleviated food intake reduction, weight loss and gastric injury induced by IDO and made gastric pH and mucosal thickness return to normal. In addition, DHE could down regulate the expression of MPO, TNF-α and IL-6 and up regulate the expression of IL-10 to reduce the damage induced by inflammatory, and create a healing environment. Furthermore, DHE could significantly inhibit the phosphorylation of ERK and p38 not JNK. CONCLUSION DHE ameliorated dyspepsia, inflammatory infiltration and tissue damage induced by IDO through ERK and p38 signaling pathways rather than JNK pathway.
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Affiliation(s)
- Ying Wei
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China; Department of Pharmacy, the Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Sichen Ren
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China; Department of Pharmacy, the Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Jian Wang
- Department of Pharmacy, the Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yanling Wang
- China Military Institute of Chinese Medicine, the Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yanfei Cui
- China Military Institute of Chinese Medicine, the Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Miao Tian
- China Military Institute of Chinese Medicine, the Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Ruilin Wang
- China Military Institute of Chinese Medicine, the Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Honghong Liu
- China Military Institute of Chinese Medicine, the Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yanling Zhao
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China; Department of Pharmacy, the Fifth Medical Center of Chinese PLA General Hospital, Beijing, China.
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13
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Karimidastjerd A, Gulsunoglu-Konuskan Z. Biological, functional and nutritional properties of caseinomacropeptide from sweet whey. Crit Rev Food Sci Nutr 2021:1-13. [PMID: 34802348 DOI: 10.1080/10408398.2021.2000360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Bioactive peptides derived from bovine milk proteins have gained much attention due to their health promoting functions. All over the world, cheese industry generates high volumes of sweet whey that could be used as an alternative source of bioactive peptide in nutraceuticals and food industry. Caseinomacropeptide (CMP) is a bioactive peptide derived from κ-casein by the action of chymosin during cheese manufacturing. CMP consist of two forms which are glycosylated (gCMP) and non-glycosylated (aCMP). The predominant carbohydrate in gCMP is N-acetylneuraminic (sialic acid) which gives functional and biological properties to gCMP. Due to its unique composition and technological characteristics such as wide pH range solubility, emulsifying, gelling, and foaming ability, CMP has received special attention. Therefore, there is an increased interest in researches for isolation and concentration of CMP. However, the isolation and purification methods are not cost-effective. It would be easier to optimize the conditions for isolation, purification, and utilization of CMP in nutraceuticals and food industry through deeper understanding of the effective factors. In this review, the structure of CMP, biological activities, isolation, and purification methods, the factors affecting functional properties and application areas of CMP in food industry are discussed.
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Affiliation(s)
- Atefeh Karimidastjerd
- Department of Food Engineering, Faculty of Chemical and Metallurgical, Istanbul Technical University, Istanbul, Turkey
| | - Zehra Gulsunoglu-Konuskan
- Nutrition and Dietetics Department, Faculty of Health Sciences, Istanbul Aydin University, Istanbul, Turkey
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14
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Fuentes J, Brunser O, Atala E, Herranz J, de Camargo AC, Zbinden-Foncea H, Speisky H. Protection against indomethacin-induced loss of intestinal epithelial barrier function by a quercetin oxidation metabolite present in onion peel: In vitro and in vivo studies. J Nutr Biochem 2021; 100:108886. [PMID: 34670110 DOI: 10.1016/j.jnutbio.2021.108886] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 07/23/2021] [Accepted: 09/27/2021] [Indexed: 02/08/2023]
Abstract
Oxidative stress is directly implicated in the loss of intestinal epithelial barrier function (IEBF) induced by non-steroidal anti-inflammatory drugs (NSAIDs). Previous studies by our research team demonstrated that 2-(3,4-dihydroxybenzoyl)-2,4,6-trihydroxy-3(2H)-benzofuranone (BZF), a quercetin oxidation metabolite that naturally occurs in onion peels, exhibits an antioxidant potency notably higher than quercetin. Thus, we assessed the potential of BZF and a BZF-rich onion peel aqueous extract (OAE) to protect against the loss of IEBF in Caco-2 cell monolayers and in rats exposed to indomethacin. In vitro, pure BZF and OAE standardized in BZF (100 nM), protected against the drop in transepithelial electrical resistance by 70 - 73%. Likewise, it prevented the increase in fluorescein-isothiocyanate labelled dextran (FITC-dextran) paracellular transport by 74% and oxidative stress by 84 - 86%. In vivo, BZF, given orally at a dose 80 µg/Kg bw as OAE, totally abolished a 30-fold increase in FITC-dextran serum concentration induced by indomethacin. This effect was dose-dependent and largely conserved (85%) when OAE was given 180-min prior to indomethacin. The IEBF-protective effect of OAE was accompanied by a full prevention of the NF-ĸB activation, and the increases in interleukine-8 secretion and myeloperoxidase activity induced by indomethacin. The protection was also associated with a 21-fold increase in Nrf2, and a 7-fold and 9-fold increase in heme oxygenase-1 and NAD(P)H-quinone oxidoreductase 1, respectively. The IEBF-protecting effect of OAE involves, most likely, its dual capacity to activate Nrf2 while inhibiting NF-ĸB activation. The extremely low doses of BZF needed to promote such actions warrants extending its IEBF-protective effects to other NSAIDs.
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Affiliation(s)
- Jocelyn Fuentes
- School of Kinesiology, Universidad Finis Terrae, Santiago, Chile; Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago, Chile.
| | - Oscar Brunser
- Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago, Chile
| | - Elías Atala
- Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago, Chile
| | - José Herranz
- Hospital Clínico Universidad de Chile, University of Chile, Santiago, Chile
| | - Adriano Costa de Camargo
- Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago, Chile
| | | | - Hernán Speisky
- Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago, Chile.
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15
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Wei Y, Wang R, Ren S, Liu X, Jing M, Li R, Tong Y, Wen J, Yang T, Wang J, Zhao Y. Zuojin Pill ameliorates inflammation in indomethacin-induced gastric injury via inhibition of MAPK pathway. JOURNAL OF ETHNOPHARMACOLOGY 2021; 275:114103. [PMID: 33836259 DOI: 10.1016/j.jep.2021.114103] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 03/23/2021] [Accepted: 03/31/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Zuojin Pill (ZJP) has been a classic prescription for the treatment of gastrointestinal diseases in China since ancient times. But its effect on non-steroidal anti-inflammatory drugs (NSAIDs) induced gastric injury (GI) is still uncharted. AIM OF THE STUDY This study aims to investigate the therapeutic effect and molecular mechanism of ZJP on indomethacin (IDO) induced gastric injury. MATERIALS AND METHODS GI was induced in rat by oral administration of 5 mg/kg IDO. Then the rats were treated with ZJP (1.26, 2.52, 5.04 g/kg, ig). The changes of food intake, body weight, gastric pH and general state observation were carried out to determine the improvement of ZJP in IDO-induced GI: HE staining and AB-PAS staining was analyzed to characterize the thickness of gastric mucosa and micro mucosal injury; in order to elucidate the effect of ZJP on IDO-induced inflammatory injury, the inflammatory infiltration of gastric tissue was observed by MPO immunohistochemical method, and the contents of TNF-α, IL-6 and IL-10 were measured. Furthermore, the regulatory mechanism of ZJP in treating IDO-induced GI was predicted with the help of network pharmacology, and the expression levels of key proteins ERK, p-ERK, P38, p-P38, JNK, p-JNK were determined to elucidate the molecular mechanism of ZJP. RESULTS Current data strongly demonstrated that ZJP alleviated food intake reduction, weight loss and gastric injury caused by IDO and made gastric pH and mucosal thickness return to normal. In addition, ZJP could reduce the level of MPO to alleviate the inflammatory infiltration of gastric tissue. Simultaneously, ZJP could down regulate the expression of TNF-α and IL-6 and up regulate the expression of IL-10 to reduce the damage caused by inflammatory, and create a healing environment. Furthermore, ZJP could significantly inhibit the phosphorylation of ERK, p38 and JNK, which leaded to the increase of inflammatory factors and the damage of gastric mucosa. CONCLUSION ZJP improved local inflammation by inhibiting MAPK signaling pathway, and had a good therapeutic effect on IDO-induced GI. This study has reference significance for the study of ZJP in the prevention and treatment of NSAID induced gastric injury. In addition, ZJP may be a new treatment option for the prevention and treatment of NSAID induced gastric disease.
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Affiliation(s)
- Ying Wei
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China; Department of Pharmacy, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Ruilin Wang
- China Military Institute of Chinese Medicine, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Sichen Ren
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China; Department of Pharmacy, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Xia Liu
- Department of Pharmacy, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Manyi Jing
- Department of Pharmacy, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Ruisheng Li
- Research Center for Clinical and Translational Medicine, The Fifth Medical Center, General Hospital of Chinese PLA, Beijing, China
| | - Yuling Tong
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China; Department of Pharmacy, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Jianxia Wen
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China; Department of Pharmacy, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Tao Yang
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China; Department of Pharmacy, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Jian Wang
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China.
| | - Yanling Zhao
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China; Department of Pharmacy, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China.
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16
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Santiago-López L, Hernández-Mendoza A, Vallejo-Cordoba B, Wall-Medrano A, González-Córdova AF. Th17 immune response in inflammatory bowel disease: Future roles and opportunities for lactic acid bacteria and bioactive compounds released in fermented milk. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.03.051] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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17
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Arbizu S, Chew B, Mertens-Talcott SU, Noratto G. Commercial whey products promote intestinal barrier function with glycomacropeptide enhanced activity in downregulating bacterial endotoxin lipopolysaccharides (LPS)-induced inflammation in vitro. Food Funct 2021; 11:5842-5852. [PMID: 32633745 DOI: 10.1039/d0fo00487a] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Cheese whey contains bioactive compounds which have shown multiple health-promoting benefits. This study aimed to assess the commercial whey products (CWP) whey protein isolate (WPI), galacto-oligosaccharide-whey protein concentrate (GOS-W) and glycomacropeptide (GMP) for their potential to improve intestinal health in vitro using HT29-MTX intestinal goblet and Caco-2 epithelial cells. Results from HT29-MTX culture showed that WPI mitigated reactive oxygen species (ROS) production at a higher extent compared to GOS-W or GMP. However, GMP downregulated the lipopolysaccharide (LPS)-induced TLR-4 inflammatory pathway with the highest potency compared to the other CWP. Biomarkers of epithelial integrity assessed on both cell lines showed tight junction proteins claudin-1, claudin-3, occludin (OCC), and zonula occludens-1 (ZO-1) upregulation by GMP in HT29-MTX (1.33-1.93-fold of control) and in Caco-2 cells (1.56-2.09-fold of control). All CWP increased transepithelial electrical resistance (TEER) in TNF-α challenged Caco-2/HT29-MTX co-culture monolayer (p < 0.05), but only GMP was similar to the positive control TGF-β1, known for its role in promoting epithelial barrier function. The TNF-α-induced co-culture monolayer permeability was prevented at similar levels by all CWP (p < 0.05). In conclusion, CWP may be used as functional food ingredients to protect against intestinal disorders with emphasis on the GMP enhanced anti-inflammatory and intestinal barrier function properties. Further in vivo studies are guaranteed to validate these findings.
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Affiliation(s)
- Shirley Arbizu
- Department of Food Science and Technology, Texas A&M University, College Station, TX, USA.
| | - Boon Chew
- Department of Food Science and Technology, Texas A&M University, College Station, TX, USA.
| | | | - Giuliana Noratto
- Department of Food Science and Technology, Texas A&M University, College Station, TX, USA.
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18
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Fuentes J, de Camargo AC, Atala E, Gotteland M, Olea-Azar C, Speisky H. Quercetin Oxidation Metabolite Present in Onion Peel Protects Caco-2 Cells against the Oxidative Stress, NF-kB Activation, and Loss of Epithelial Barrier Function Induced by NSAIDs. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:2157-2167. [PMID: 33591188 DOI: 10.1021/acs.jafc.0c07085] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The potential of 2-(3,4-dihydroxybenzoyl)-2,4,6-trihydroxy-3(2H)-benzofuranone (BZF), a quercetin oxidation metabolite, and that of a BZF-rich onion peel aqueous extract (OAE) to protect Caco-2 monolayers against the oxidative stress (OS) and an increased permeability (IP) induced by five nonsteroidal anti-inflammatory drugs (NSAIDs) (indomethacin, diclofenac, piroxicam, ibuprofen, and metamizole) were investigated. Under identical OS conditions, the NSAIDs substantially differed in their ability to induce an IP and/or NF-kB activation. The OAE (100 nM BZF) protected in identical magnitude (84-86%) against OS but in a highly dissimilar manner against the IP (18-73%). While all NSAIDs activated NF-kB, the OAE prevented only that induced by indomethacin. Results reveal that the IP has no direct relationship with the OS and that with the exception of indomethacin, the prevention of NSAIDs-induced OS and/or NF-kB activation plays no fundamental role in the IP-protecting effect of OAE. These results warrant the in vivo evaluation of OAE against indomethacin-induced loss of intestinal barrier function.
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Affiliation(s)
- Jocelyn Fuentes
- Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago 7830490, Chile
| | - Adriano Costa de Camargo
- Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago 7830490, Chile
| | - Elías Atala
- Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago 7830490, Chile
| | - Martín Gotteland
- Department of Nutrition, Faculty of Medicine, University of Chile, Santiago 8380453, Chile
| | - Claudio Olea-Azar
- Department of Inorganic and Analytical Chemistry, Faculty of Chemical and Pharmaceutical Sciences, University of Chile, Santiago 8380000, Chile
| | - Hernán Speisky
- Laboratory of Antioxidants, Nutrition and Food Technology Institute, University of Chile, Santiago 7830490, Chile
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19
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Wang Y, Chen Y, Zhang X, Lu Y, Chen H. New insights in intestinal oxidative stress damage and the health intervention effects of nutrients: A review. J Funct Foods 2020. [DOI: 10.1016/j.jff.2020.104248] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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20
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Reyes-Pavón D, Cervantes-García D, Bermúdez-Humarán LG, Córdova-Dávalos LE, Quintanar-Stephano A, Jiménez M, Salinas E. Protective Effect of Glycomacropeptide on Food Allergy with Gastrointestinal Manifestations in a Rat Model through Down-Regulation of Type 2 Immune Response. Nutrients 2020; 12:nu12102942. [PMID: 32992996 PMCID: PMC7601722 DOI: 10.3390/nu12102942] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 09/15/2020] [Accepted: 09/22/2020] [Indexed: 12/12/2022] Open
Abstract
Glycomacropeptide (GMP) is a bioactive peptide derived from milk κ-casein with immune-modulatory and anti-inflammatory properties. Food allergy (FA) is an adverse immune reaction with a broad spectrum of manifestations. Allergen intake induces persistent intestinal inflammation and tissue damage. In this study, the anti-allergic activity of GMP was evaluated using a rat ovalbumin (OVA)-induced FA model with gastrointestinal manifestation. Rats were orally GMP treated from 3 days prior and during FA development. The severity of food anaphylaxis and diarrheal episodes, antibody production and histamine level were measured. Histopathological changes, inflammation and predominant cytokine profile at intestine were analyzed. Oral GMP intake decreased clinical signs and diarrhea severity induced by allergen, with a significant reduction in intestinal edema and expression level of IL-1β and TNF-α. Prophylaxis with GMP also diminished serum anti-OVA IgE and IgG1, and histamine levels. GMP treatment markedly decreased eosinophil infiltration, mast cell and goblet cell hyperplasia, total IgE expression in intestine, and prevented histological changes in villi, crypts and internal muscularis layer. The treatment effectively suppressed IL-5, IL-13 and GATA3 expression and skewed the intestinal cytokine profile toward type 1 and regulatory. These results suggest that GMP may protect against FA through down-regulating the type 2 inflammatory response.
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Affiliation(s)
- Diana Reyes-Pavón
- Department of Microbiology, Basic Science Center, Autonomous University of Aguascalientes, 20131 Aguascalientes, Mexico; (D.R.-P.); (D.C.-G.); (L.E.C.-D.)
| | - Daniel Cervantes-García
- Department of Microbiology, Basic Science Center, Autonomous University of Aguascalientes, 20131 Aguascalientes, Mexico; (D.R.-P.); (D.C.-G.); (L.E.C.-D.)
- National Council of Science and Technology, 03940 Mexico City, Mexico
| | | | - Laura Elena Córdova-Dávalos
- Department of Microbiology, Basic Science Center, Autonomous University of Aguascalientes, 20131 Aguascalientes, Mexico; (D.R.-P.); (D.C.-G.); (L.E.C.-D.)
| | - Andrés Quintanar-Stephano
- Department of Physiology and Pharmacology, Basic Science Center, Autonomous University of Aguascalientes, 20131 Aguascalientes, Mexico;
| | - Mariela Jiménez
- Department of Microbiology, Basic Science Center, Autonomous University of Aguascalientes, 20131 Aguascalientes, Mexico; (D.R.-P.); (D.C.-G.); (L.E.C.-D.)
- Correspondence: (M.J.); (E.S.); Tel.: +52-(449)-910-8424 (E.S.)
| | - Eva Salinas
- Department of Microbiology, Basic Science Center, Autonomous University of Aguascalientes, 20131 Aguascalientes, Mexico; (D.R.-P.); (D.C.-G.); (L.E.C.-D.)
- Correspondence: (M.J.); (E.S.); Tel.: +52-(449)-910-8424 (E.S.)
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