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Alcarranza M, Villegas I, Recio R, Muñoz-García R, Fernández I, Alarcón-de-la-Lastra C. ( R)-8-Methylsulfinyloctyl isothiocyanate from Nasturtium officinale inhibits LPS-induced immunoinflammatory responses in mouse peritoneal macrophages: chemical synthesis and molecular signaling pathways involved. Food Funct 2023. [PMID: 37469300 DOI: 10.1039/d3fo02009f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/21/2023]
Abstract
The aim of this study was to develop an optimal synthetic route to obtain natural (R)-8-methylsulfinyloctyl isothiocyanate ((R)-8-OITC), present in watercress, based on the "DAG methodology" as well as to evaluate its potential antioxidant and immunomodulatory effects, exploring possible signaling pathways that could be involved in an ex vivo model of murine peritoneal macrophages stimulated with LPS. Treatment with (R)-8-OITC inhibited the levels of pro-inflammatory cytokines (IL-1β, TNF-α, IL-6, IL-17 and IL-18), intracellular ROS production and expression of pro-inflammatory enzymes (COX-2, iNOS and mPGES-1) through modulation of the expression of Nrf2, MAPKs (p38, JNK and ERK) and JAK/STAT, and the canonical and non-canonical pathways of the inflammasome. Taking all these together, our results provide a rapid and cost-effective synthetic route to obtain natural (R)-8-OITC and demonstrate that it could be a potential nutraceutical candidate for managing immuno-inflammatory pathologies. Therefore, further in vivo trials are warranted.
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Affiliation(s)
- Manuel Alcarranza
- Department of Pharmacology, Faculty of Pharmacy, Universidad de Sevilla, 41012 Sevilla, Spain.
- Instituto de Biomedicina de Sevilla, IBiS (Universidad de Sevilla, HUVR, Junta de Andalucía, CSIC), Seville, Spain
| | - Isabel Villegas
- Department of Pharmacology, Faculty of Pharmacy, Universidad de Sevilla, 41012 Sevilla, Spain.
- Instituto de Biomedicina de Sevilla, IBiS (Universidad de Sevilla, HUVR, Junta de Andalucía, CSIC), Seville, Spain
| | - Rocío Recio
- Departamento de Química Orgánica y Farmacéutica, Facultad de Farmacia, Universidad de Sevilla, 41012 Sevilla, Spain.
| | - Rocío Muñoz-García
- Department of Pharmacology, Faculty of Pharmacy, Universidad de Sevilla, 41012 Sevilla, Spain.
- Instituto de Biomedicina de Sevilla, IBiS (Universidad de Sevilla, HUVR, Junta de Andalucía, CSIC), Seville, Spain
| | - Inmaculada Fernández
- Departamento de Química Orgánica y Farmacéutica, Facultad de Farmacia, Universidad de Sevilla, 41012 Sevilla, Spain.
| | - Catalina Alarcón-de-la-Lastra
- Department of Pharmacology, Faculty of Pharmacy, Universidad de Sevilla, 41012 Sevilla, Spain.
- Instituto de Biomedicina de Sevilla, IBiS (Universidad de Sevilla, HUVR, Junta de Andalucía, CSIC), Seville, Spain
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2
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Jermendi É, Fernández-Lainez C, Beukema M, López-Velázquez G, van den Berg MA, de Vos P, Schols HA. TLR 2/1 interaction of pectin depends on its chemical structure and conformation. Carbohydr Polym 2023; 303:120444. [PMID: 36657837 DOI: 10.1016/j.carbpol.2022.120444] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 11/18/2022] [Accepted: 12/05/2022] [Indexed: 12/14/2022]
Abstract
Citrus pectins have demonstrated health benefits through direct interaction with Toll-like receptor 2. Methyl-ester distribution patterns over the homogalacturonan were found to contribute to such immunomodulatory activity, therefore molecular interactions with TLR2 were studied. Molecular-docking analysis was performed using four GalA-heptamers, GalA7Me0, GalA7Me1,6, GalA7Me1,7 and GalA7Me2,5. The molecular relations were measured in various possible conformations. Furthermore, commercial citrus pectins were characterized by enzymatic fingerprinting using polygalacturonase and pectin-lyase to determine their methyl-ester distribution patterns. The response of 12 structurally different pectic polymers on TLR2 binding and the molecular docking with four pectic oligomers clearly demonstrated interactions with human-TLR2 in a structure-dependent way, where blocks of (non)methyl-esterified GalA were shown to inhibit TLR2/1 dimerization. Our results may be used to understand the immunomodulatory effects of certain pectins via TLR2. Knowledge of how pectins with certain methyl-ester distribution patterns bind to TLRs may lead to tailored pectins to prevent inflammation.
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Affiliation(s)
- Éva Jermendi
- Laboratory of Food Chemistry, Wageningen University, Bornse Weilanden 9, 6708, WG, Wageningen, the Netherlands.
| | - Cynthia Fernández-Lainez
- Immunoendocrinology, Division of Medical Biology, Department of Pathology and Medical Biology, University Medical Center Groningen, Hanzeplein 1, 9713, GZ, Groningen, the Netherlands; Laboratorio de Errores Innatos del Metabolismo y Tamiz, Instituto Nacional de Pediatría, Av. Imán 1, piso 9, col. Insurgentes Cuicuilco 04530, Ciudad de México, Mexico.
| | - Martin Beukema
- Immunoendocrinology, Division of Medical Biology, Department of Pathology and Medical Biology, University Medical Center Groningen, Hanzeplein 1, 9713, GZ, Groningen, the Netherlands.
| | - Gabriel López-Velázquez
- Laboratorio de Biomoléculas y Salud Infantil, Instituto Nacional de Pediatría, Av. Imán 1, piso 5, col. Insurgentes Cuicuilco 04530, Ciudad de México, Mexico.
| | - Marco A van den Berg
- DSM Food & Beverages, Alexander Fleminglaan 1, 2613, AX, Delft, the Netherlands.
| | - Paul de Vos
- Immunoendocrinology, Division of Medical Biology, Department of Pathology and Medical Biology, University Medical Center Groningen, Hanzeplein 1, 9713, GZ, Groningen, the Netherlands.
| | - Henk A Schols
- Laboratory of Food Chemistry, Wageningen University, Bornse Weilanden 9, 6708, WG, Wageningen, the Netherlands.
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3
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Ma S, Li J, Pei L, Feng N, Zhang Y. Microneedle-based interstitial fluid extraction for drug analysis: Advances, challenges, and prospects. J Pharm Anal 2023; 13:111-126. [PMID: 36908860 PMCID: PMC9999301 DOI: 10.1016/j.jpha.2022.12.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 12/28/2022] [Accepted: 12/31/2022] [Indexed: 01/07/2023] Open
Abstract
Similar to blood, interstitial fluid (ISF) contains exogenous drugs and biomarkers and may therefore substitute blood in drug analysis. However, current ISF extraction techniques require bulky instruments and are both time-consuming and complicated, which has inspired the development of viable alternatives such as those relying on skin or tissue puncturing with microneedles. Currently, microneedles are widely employed for transdermal drug delivery and have been successfully used for ISF extraction by different mechanisms to facilitate subsequent analysis. The integration of microneedles with sensors enables in situ ISF analysis and specific compound monitoring, while the integration of monitoring and delivery functions in wearable devices allows real-time dose modification. Herein, we review the progress in drug analysis based on microneedle-assisted ISF extraction and discuss the related future opportunities and challenges.
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Affiliation(s)
- Shuwen Ma
- Department of Pharmaceutical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Jiaqi Li
- Department of Pharmaceutical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Lixia Pei
- Institute of Traditional Chinese Medicine Surgery, Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Nianping Feng
- Department of Pharmaceutical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Yongtai Zhang
- Department of Pharmaceutical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
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4
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Garcia-Ibañez P, Núñez-Sánchez MA, Oliva-Bolarín A, Martínez-Sánchez MA, Ramos-Molina B, Ruiz-Alcaraz AJ, Moreno DA. Anti-inflammatory potential of digested Brassica sprout extracts in human macrophage-like HL-60 cells. Food Funct 2023; 14:112-121. [PMID: 36484295 DOI: 10.1039/d2fo02914f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Cruciferous vegetables have been reported to be a great source of anti-inflammatory compounds. Specifically, sprouts from the Brassicaceae family stand out for their high content of glucosinolates (and their bioactive derivatives, isothiocyanates), phenolic acids, and anthocyanins. Despite the evident anti-inflammatory activity of certain Brassica phytochemicals such as sulforaphane or phenolic acids, the effect of digested Brassica vegetables on inflammation remains understudied. In this work, we aimed to evaluate the anti-inflammatory potential of the bioaccessible forms of cruciferous bioactives (from red cabbage sprouts (RCS) and red radish sprouts (RRS)) obtained upon in vitro gastrointestinal digestion in the HL-60 macrophage-like differentiated human cell line. The study was performed under basal conditions or stimulated with a low dose of LPS for 24 hours as a validated in vitro model of chronic inflammation. The cell viability was determined by MTT assay. The gene expression and production of pro-inflammatory cytokines TNF-α, IL-6 and IL-1β were determined by RT-qPCR and ELISA respectively. Our results revealed no cytotoxicity with any of the treatments in LPS-stimulated macrophage-like HL60 cells. Regarding cytokine production, digestates significantly decreased the production of the three pro-inflammatory cytokines at concentrations of 50 and 100 μg mL-1 except for IL-1β treated with RCS digestates. Furthermore, the RT-qPCR analysis showed a decrease in the relative expression of pro-inflammatory cytokines in LPS-stimulated cells treated with RRS digestates at 100 μg mL-1 but not with red cabbage digestates. In conclusion, RRS bioaccessible compounds in the extracts could be used as dietary coadjuvants given their potential anti-inflammatory effect on this in vitro model of chronic inflammation.
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Affiliation(s)
- Paula Garcia-Ibañez
- Phytochemistry and Healthy Food Lab, Department of Food Science Technology, Centro de Edafología y Biología aplicada del Segura (CEBAS-CSIC), Campus de Espinardo, 30100 Murcia, Spain.,Aquaporins Research Group, Centro de Edafología y Biología Aplicada del Segura (CEBAS-CSIC), Campus de Espinardo, 30100 Murcia, Spain
| | - María A Núñez-Sánchez
- Obesity and Metabolism Laboratory, Biomedical Research Institute of Murcia (IMIB), 30120 Murcia, Spain.
| | - Alba Oliva-Bolarín
- Obesity and Metabolism Laboratory, Biomedical Research Institute of Murcia (IMIB), 30120 Murcia, Spain.
| | - María A Martínez-Sánchez
- Obesity and Metabolism Laboratory, Biomedical Research Institute of Murcia (IMIB), 30120 Murcia, Spain. .,Department of Biochemistry, Molecular Biology B and Immunology, School of Medicine, University of Murcia, Regional Campus of International Excellence, Spain.
| | - Bruno Ramos-Molina
- Obesity and Metabolism Laboratory, Biomedical Research Institute of Murcia (IMIB), 30120 Murcia, Spain.
| | - Antonio J Ruiz-Alcaraz
- Department of Biochemistry, Molecular Biology B and Immunology, School of Medicine, University of Murcia, Regional Campus of International Excellence, Spain.
| | - Diego A Moreno
- Phytochemistry and Healthy Food Lab, Department of Food Science Technology, Centro de Edafología y Biología aplicada del Segura (CEBAS-CSIC), Campus de Espinardo, 30100 Murcia, Spain
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5
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Hosokawa Y, Hosokawa I, Shimoyama M, Fujii A, Sato J, Kadena K, Ozaki K, Hosaka K. The Anti-Inflammatory Effects of Iberin on TNF-α-Stimulated Human Oral Epithelial Cells: In Vitro Research. Biomedicines 2022; 10:biomedicines10123155. [PMID: 36551911 PMCID: PMC9775133 DOI: 10.3390/biomedicines10123155] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/02/2022] [Accepted: 12/03/2022] [Indexed: 12/12/2022] Open
Abstract
Iberin is a bioactive chemical found in cruciferous plants that has been demonstrated to have anticancer properties. However, there have been no reports on its effects on periodontal resident cells, and many questions remain unanswered. The aim of this study was to examine whether iberin had anti-inflammatory effects on human oral epithelial cells, including influences on signal transduction pathway activation in TNF-α-στιμυλατεd χελλσ. Iberin inhibited the production of interleukin (IL)-6 and C-X-C motif chemokine ligand 10 (CXCL10), as well as the expression of vascular cell adhesion molecule (VCAM)-1, inducible nitric oxide synthase (iNOS), and cyclooxygenase (COX)-2 in tumor necrosis factor (TNF)-α-stimulated TR146 cells, a human oral epithelial cell line. Moreover, iberin administration increased the expression of antioxidant signaling pathways, such as Heme Oxygenase (HO)-1 and NAD(P)H quinone dehydrogenase 1 (NQO1). Furthermore, we found that iberin could inhibit the activation of the nuclear factor (NF)-κB, signal transducer and activator of transcription (STAT)3, and p70S6 kinase (p70S6K)-S6 ribosomal protein (S6) pathways in TNF-α-stimulated TR146 cells. In conclusion, iberin reduced inflammatory mediator expression in human oral epithelial cells by preventing the activation of particular signal transduction pathways.
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Affiliation(s)
- Yoshitaka Hosokawa
- Department of Regenerative Dental Medicine, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima 770-8504, Tokushima, Japan
- Correspondence: ; Tel.: +81-886-33-7340; Fax: +81-886-33-7340
| | - Ikuko Hosokawa
- Department of Regenerative Dental Medicine, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima 770-8504, Tokushima, Japan
| | - Masahiro Shimoyama
- Department of Regenerative Dental Medicine, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima 770-8504, Tokushima, Japan
| | - Ayumi Fujii
- Department of Regenerative Dental Medicine, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima 770-8504, Tokushima, Japan
| | - Juri Sato
- Department of Regenerative Dental Medicine, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima 770-8504, Tokushima, Japan
| | - Kimitake Kadena
- Department of Regenerative Dental Medicine, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima 770-8504, Tokushima, Japan
| | - Kazumi Ozaki
- Department of Oral Health Care Promotion, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima 770-8504, Tokushima, Japan
| | - Keiichi Hosaka
- Department of Regenerative Dental Medicine, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima 770-8504, Tokushima, Japan
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6
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Hu Y, Li R, Jin J, Wang Y, Ma R. Quercetin improves pancreatic cancer chemo-sensitivity by regulating oxidative-inflammatory networks. J Food Biochem 2022; 46:e14453. [PMID: 36181395 DOI: 10.1111/jfbc.14453] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 09/13/2022] [Accepted: 09/15/2022] [Indexed: 01/14/2023]
Abstract
Chemotherapy is the main method for controlling pancreatic cancer metastasis but the prevalent chemotherapy resistance limits its utilization. The response of oxidation and inflammation often promotes pancreatic cancer progression and chemo-resistance. It is critical to explore the potential natural products with few side effects to control inflammatory responses and understand the related mechanisms. Quercetin is a flavonoid widely found in numerous vegetables, fruits, and foods and is thought to have antioxidant and anti-inflammatory properties, which may be associated with improvement of chemotherapy sensitivity during pancreatic cancer treatment. Quercetin may sensitize pancreatic cancer cells to the chemotherapeutic agents, including bromodomain and extraterminal domain inhibitors (BETI), daunorubicin, gemcitabine, sulforaphane, doxorubicin, and tumor necrosis factor-related signaling apoptosis-inducing ligand (TRAIL). Meanwhile, during the chemo-resistance therapy, many signaling molecules are involved with toll-like receptor 4 (TLR4)-mediated oxidative and inflammatory pathway. The effects of quercetin on other oxidative and inflammatory pathways were also explored. Quercetin may exert antitumor activity during the prevention of pancreatic cancer progression by regulating oxidative and inflammatory networks, which can promote immune escape of cancer cells by inducing immunosuppressive cytokines. Studying these patterns will help us to better understand the functional role of quercetin in the improvement of pancreatic cancer chemo-sensitivity. PRACTICAL APPLICATIONS: Chemotherapy is the major way for treating pancreatic cancer metastasis but the prevalent chemotherapy resistance caused by oxidative and inflammatory responses limits its utilization. It is necessary to explore the potential natural products with few side effects to prevent the oxidative and inflammatory responses. Quercetin is a flavonoid widely found in numerous vegetables, fruits, and foods and is thought to have antioxidant and anti-inflammatory properties, which may be associated with improvement of chemotherapy sensitivity of pancreatic cancer treatment by sensitizing pancreatic cancer cells to various chemotherapeutic agents via the regulation of oxidative and inflammatory networks. Studying these patterns will help us to better understand the functional role of quercetin in the improvement of pancreatic cancer chemo-sensitivity.
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Affiliation(s)
- Yaoyuan Hu
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Rui Li
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Junyi Jin
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yihui Wang
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Rui Ma
- Department of Cardiology, the First Hospital of China Medical University, Shenyang, China
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7
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Antiviral perspectives of economically important Indian medicinal plants and spices. PROCEEDINGS OF THE INDIAN NATIONAL SCIENCE ACADEMY 2022. [PMCID: PMC9422945 DOI: 10.1007/s43538-022-00099-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Human respiratory diseases caused by viral infections leads to morbidity. Among infectious diseases, viral infections associated with the respiratory tract remain the primary reason for global deaths due to their transmissibility. Since immemorial, traditional Indian medicinal plants, their extracts, and several phytochemicals can treat various diseases. Sources for this review paper are data derived from a peer-reviewed journal that emphasizes the economic importance of medicinal plants. Several plant-based medicines have been reported to be effective against multiple viral infections, including the Human Adenovirus, Enterovirus, Influenza virus, Hepatitis virus, etc. This review emphasizes use of the Indian medicinal plants like as Withania somnifera (Ashwagandha, Winter Cherry), Moringa oleifera (Drumstick), Ocimum tenuiflorum (Tulsi), Azadirachta indica (Neem), Curcuma longa (Turmeric), Terminalia chebula (Chebulic Myrobalan), Punica granatum (Pomegranate) and the Indian household spices (ginger, garlic and black pepper). It further describes their secondary phytoconstituents extraction procedure, mode of action and the potential application to improve clinical outcomes of neutraceuticals against various viral infections.
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8
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Bahoosh SR, Shokoohinia Y, Eftekhari M. Glucosinolates and their hydrolysis products as potential nutraceuticals to combat cytokine storm in SARS-COV-2. DARU : JOURNAL OF FACULTY OF PHARMACY, TEHRAN UNIVERSITY OF MEDICAL SCIENCES 2022; 30:245-252. [PMID: 35112323 PMCID: PMC8809497 DOI: 10.1007/s40199-022-00435-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Accepted: 01/23/2022] [Indexed: 12/14/2022]
Abstract
INTRODUCTION The high mortality rate in severe cases of COVID-19 is mainly due to the strong upregulation of cytokines, called a cytokine storm. Hyperinflammation and multiple organ failure comprise the main clinical features of a cytokine storm. Nrf2 is a transcription factor which regulates the expression of genes involved in immune and inflammatory processes. Furthermore, Nrf2, as a master regulator, controls the activity of NF-κB which binds to the promoter of many pro-inflammatory genes inducible of various inflammatory factors. Inhibition of Nrf2 response was recently demonstrated in biopsies from patients with COVID-19, and Nrf2 agonists inhibited SARS-CoV-2 replication across cell lines in vitro. Glucosinolates and their hydrolysis products have excellent anti-inflammatory and antioxidant effects via the Nrf2 activation pathway, reduction in the NF-κB activation, and subsequent reduced cytokines levels. CONCLUSION Accordingly, these compounds can be helpful in combating the cytokine storm associated with COVID-19.
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Affiliation(s)
- Saba Rahimi Bahoosh
- Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Yalda Shokoohinia
- Ric Scalzo Institute for Botanical Research, Southwest College of Naturopathic Medicine, Tempe, AZ, 85282, USA
| | - Mahdieh Eftekhari
- Pharmaceutical Sciences Research Center, Kermanshah University of Medical Sciences, 6715847141, Kermanshah, Iran. .,Department of Pharmacognosy and Pharmaceutical Biotechnology, Faculty of Pharmacy, Kermanshah University of Medical Sciences, P.O.BOX.6714415153, Kermanshah, Iran.
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9
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Nutmakul T. A review on benefits of quercetin in hyperuricemia and gouty arthritis. Saudi Pharm J 2022; 30:918-926. [PMID: 35903522 PMCID: PMC9315272 DOI: 10.1016/j.jsps.2022.04.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Accepted: 04/26/2022] [Indexed: 12/12/2022] Open
Abstract
Hyperuricemia becomes a public health problem worldwide. It is not only a major risk factor for gout but also associated with the development of life-threatening diseases such as chronic kidney disease and cardiovascular diseases. Although there are several available therapeutic drugs, some serious adverse effects and contraindications are concerned. These drive the search for an alternative therapy that is effective and safe. Quercetin is of particular interesting since it has been reported numerous pharmacological activities, especially anti-hyperuricemia, antioxidant, anti-inflammation and amelioration of metabolic syndromes and cardiovascular diseases which are comorbidities of hyperuricemia and gout. In addition, quercetin has been widely used as a health supplement for many diseases however, the use for hyperuricemia and gout has not been indicated. Therefore, this review aims to gather and summarize published data regarding the efficacy in preclinical and clinical studies along with possible mechanism of action, and safety aspect of quercetin in order to support the use of quercetin as a dietary supplement for prevention and management of hyperuricemia and gouty arthritis and/or use as alternative or combination therapy to minimize the side effects of the conventional drugs.
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10
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Zhang X, Chen L, Hu C, Fast D, Zhang L, Yang B, Kan J, Du J. Curcumin attenuates poly(I:C)-induced immune and inflammatory responses in mouse macrophages by inhibiting TLR3/TBK1/IFNB cascade. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.104949] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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11
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Nishiyama K, Nishimura A, Shimoda K, Tanaka T, Kato Y, Shibata T, Tanaka H, Kurose H, Azuma YT, Ihara H, Kumagai Y, Akaike T, Eaton P, Uchida K, Nishida M. Redox-dependent internalization of the purinergic P2Y 6 receptor limits colitis progression. Sci Signal 2022; 15:eabj0644. [PMID: 35015570 DOI: 10.1126/scisignal.abj0644] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Kazuhiro Nishiyama
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Akiyuki Nishimura
- National Institute for Physiological Sciences (NIPS), National Institutes of Natural Sciences (NINS), Okazaki 444-8787, Japan.,Exploratory Research Center on Life and Living Systems (ExCELLS), NINS, Okazaki 444-8787, Japan
| | - Kakeru Shimoda
- National Institute for Physiological Sciences (NIPS), National Institutes of Natural Sciences (NINS), Okazaki 444-8787, Japan.,Exploratory Research Center on Life and Living Systems (ExCELLS), NINS, Okazaki 444-8787, Japan.,Department of Physiological Sciences, SOKENDAI (School of Life Science, Graduate University for Advanced Studies), Okazaki 444-8787, Japan
| | - Tomohiro Tanaka
- National Institute for Physiological Sciences (NIPS), National Institutes of Natural Sciences (NINS), Okazaki 444-8787, Japan.,Exploratory Research Center on Life and Living Systems (ExCELLS), NINS, Okazaki 444-8787, Japan.,Center for Novel Science Initiatives (CNSI), NINS, Tokyo 105-0001, Japan
| | - Yuri Kato
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Takahiro Shibata
- Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Aichi 464-8601, Japan
| | - Hiroshi Tanaka
- Department of Chemical Science and Engineering, Tokyo Institute of Technology, 2-12-1-H-101, Ookayama, Meguro, Tokyo 152-8552, Japan
| | - Hitoshi Kurose
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Yasu-Taka Azuma
- Division of Veterinary Science, Osaka Prefecture University Graduate School of Life and Environmental Science, Osaka 598-8531, Japan
| | - Hideshi Ihara
- Department of Biological Sciences, Graduate School of Science, Osaka Prefecture University, Osaka 599-8531, Japan
| | - Yoshito Kumagai
- Faculty of Medicine, University of Tsukuba, Tsukuba 305-8575, Japan
| | - Takaaki Akaike
- Graduate School of Medicine, Tohoku University, Sendai 980-8575, Japan
| | - Philip Eaton
- William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, UK
| | - Koji Uchida
- Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo 113-8657, Japan
| | - Motohiro Nishida
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan.,National Institute for Physiological Sciences (NIPS), National Institutes of Natural Sciences (NINS), Okazaki 444-8787, Japan.,Exploratory Research Center on Life and Living Systems (ExCELLS), NINS, Okazaki 444-8787, Japan.,Department of Physiological Sciences, SOKENDAI (School of Life Science, Graduate University for Advanced Studies), Okazaki 444-8787, Japan.,Center for Novel Science Initiatives (CNSI), NINS, Tokyo 105-0001, Japan
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12
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Li G, Peng X, Guo Y, Gong S, Cao S, Qiu F. Currently Available Strategies for Target Identification of Bioactive Natural Products. Front Chem 2021; 9:761609. [PMID: 34660543 PMCID: PMC8515416 DOI: 10.3389/fchem.2021.761609] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 09/20/2021] [Indexed: 01/04/2023] Open
Abstract
In recent years, biologically active natural products have gradually become important agents in the field of drug research and development because of their wide availability and variety. However, the target sites of many natural products are yet to be identified, which is a setback in the pharmaceutical industry and has seriously hindered the translation of research findings of these natural products as viable candidates for new drug exploitation. This review systematically describes the commonly used strategies for target identification via the application of probe and non-probe approaches. The merits and demerits of each method were summarized using recent examples, with the goal of comparing currently available methods and selecting the optimum techniques for identifying the targets of bioactive natural products.
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Affiliation(s)
- Gen Li
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xuling Peng
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yajing Guo
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Shaoxuan Gong
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Shijie Cao
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Feng Qiu
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
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Basak S, Gokhale J. Immunity boosting nutraceuticals: Current trends and challenges. J Food Biochem 2021; 46:e13902. [PMID: 34467553 DOI: 10.1111/jfbc.13902] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 07/29/2021] [Accepted: 08/03/2021] [Indexed: 12/23/2022]
Abstract
The immune function of the human body is highly influenced by the dietary intake of certain nutrients and bioactive compounds present in foods. The preventive effects of these bioactive ingredients against various diseases have been well investigated. Functional foods are consumed across various diverse cultures, in some form or the other, which provide benefits greater than the basic nutritional needs. Novel functional foods are being developed using novel bioactive ingredients such as probiotics, polyunsaturated fatty acids, and various phytoconstituents, which have a range of immunomodulatory properties. Apart from immunomodulation, these ingredients also affect immunity by their antioxidant, antibacterial, and antiviral properties. The global pandemic of Severe Acute Respiratory Syndrome Coronavirus-2 has forced the scientific community to race against time to find a proper and effective drug or a vaccine. In this review, various non-pharmacological interventions using nutraceuticals and functional foods have been discussed. PRACTICAL APPLICATIONS: Despite a plethora of research being undertaken to understand the immunity boosting properties of the various bioactive present in food, the findings are not translating to nutraceutical products in the market. Immunity has proved to be one of the most important factors for the health and well-being of an individual, especially when the world has been under the grip of the novel coronavirus Severe Acute Respiratory Syndrome Coronavirus-2. The anti-inflammatory properties of various nutraceuticals can come out as potential inhibitors of the various inflammatory processes such as cytokine storms, usually being observed in COVID 19. This review gives an insight into how various nutraceuticals can help in the prevention of various diseases through different mechanisms. The lack of awareness and proper clinical trials pose a challenge to the nutraceutical industry. This review will help and encourage researchers to further design and develop various functional foods, which might help in building immunity.
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Affiliation(s)
- Somnath Basak
- Department of Food Engineering and Technology, Institute of Chemical Technology, Mumbai, India
| | - Jyoti Gokhale
- Department of Food Engineering and Technology, Institute of Chemical Technology, Mumbai, India
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Pistol GC, Bulgaru CV, Marin DE, Oancea AG, Taranu I. Dietary Grape Seed Meal Bioactive Compounds Alleviate Epithelial Dysfunctions and Attenuates Inflammation in Colon of DSS-Treated Piglets. Foods 2021; 10:foods10030530. [PMID: 33806347 PMCID: PMC7999447 DOI: 10.3390/foods10030530] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 02/25/2021] [Accepted: 02/27/2021] [Indexed: 12/12/2022] Open
Abstract
Inflammatory Bowel Diseases (IBD) are chronic inflammations associated with progressive degradation of intestinal epithelium and impairment of the local innate immune response. Restoring of epithelial integrity and of the mucosal barrier function, together with modulation of inflammatory and innate immune markers, represent targets for alternative strategies in IBD. The aim of our study was to evaluate the effects of a diet including 8% grape seed meal (GSM), rich in bioactive compounds (polyphenols, polyunsaturated fatty acids (PUFAs), fiber) on the markers of colonic epithelial integrity, mucosal barrier function, pro-inflammatory, and innate immunity in DSS-treated piglets used as animal models of intestinal inflammation. Our results have demonstrated the beneficial effects of bioactive compounds from dietary GSM, exerted at three complementary levels: (a) restoration of the epithelial integrity and mucosal barrier reinforcement by modulation of claudins, Occludin (OCCL) and Zonula-1 (ZO-1) tight junction genes and proteins, myosin IXB (MYO9B) and protein tyrosine phosphatase (PTPN) tight junction regulators and mucin-2 (MUC2) gene; (b) reduction of pro-inflammatory MMP-2 (matrix metalloproteinase-2) and MMP-9 (matrix metalloproteinase-9) genes and activities; and (c) suppression of the innate immune TLR-2 (Toll-like receptor-2) and TLR-4 (Toll-like receptor-4) genes and attenuation of the expression of MyD88 (Myeloid Differentiation Primary Response 88)/MD-2 (Myeloid differentiation factor-2) signaling molecules. These beneficial effects of GSM could further attenuate the transition of chronic colitis to carcinogenesis, by modulating the in-depth signaling mediators belonging to the Wnt pathway.
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Affiliation(s)
- Gina Cecilia Pistol
- Laboratory of Animal Biology, INCDBNA-IBNA, National Institute of Research and Development for Biology and Animal Nutrition, 077015 Balotesti, Romania; (C.V.B.); (D.E.M.); (I.T.)
- Correspondence: ; Tel.: +40-21-351-2082
| | - Cristina Valeria Bulgaru
- Laboratory of Animal Biology, INCDBNA-IBNA, National Institute of Research and Development for Biology and Animal Nutrition, 077015 Balotesti, Romania; (C.V.B.); (D.E.M.); (I.T.)
| | - Daniela Eliza Marin
- Laboratory of Animal Biology, INCDBNA-IBNA, National Institute of Research and Development for Biology and Animal Nutrition, 077015 Balotesti, Romania; (C.V.B.); (D.E.M.); (I.T.)
| | - Alexandra Gabriela Oancea
- Laboratory of Chemistry and Nutrition Physiology, INCDBNA-IBNA, National Institute of Research and Development for Biology and Animal Nutrition, 077015 Balotesti, Romania;
| | - Ionelia Taranu
- Laboratory of Animal Biology, INCDBNA-IBNA, National Institute of Research and Development for Biology and Animal Nutrition, 077015 Balotesti, Romania; (C.V.B.); (D.E.M.); (I.T.)
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Riemschneider S, Hoffmann M, Slanina U, Weber K, Hauschildt S, Lehmann J. Indol-3-Carbinol and Quercetin Ameliorate Chronic DSS-Induced Colitis in C57BL/6 Mice by AhR-Mediated Anti-Inflammatory Mechanisms. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18052262. [PMID: 33668818 PMCID: PMC7956562 DOI: 10.3390/ijerph18052262] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 02/19/2021] [Accepted: 02/20/2021] [Indexed: 12/14/2022]
Abstract
Inflammatory bowel diseases (IBD), such as Crohn’s disease and ulcerative colitis, are multifactorial inflammatory disorders of the gastrointestinal tract, characterised by abdominal cramps, bloody diarrhoea, and anaemia. Standard therapies, including corticosteroids or biologicals, often induce severe side effects, or patients may develop resistance to those therapies. Thus, new therapeutic options for IBD are urgently needed. This study investigates the therapeutic efficacy and safety of two plant-derived ligands of the aryl hydrocarbon receptor (AhR), quercetin (Q), and indol-3-carbinol (I3C), using a translationally relevant mouse model of IBD. Q and I3C are administered by gavage to C57BL/6 wild-type or C57BL/6 Ahr-/- mice suffering from chronic colitis, induced by dextran sulphate sodium (DSS). The course of the disease, intestinal histopathological changes, and in-situ immunological phenotype are scored over 25 days. Our results show that both Q and I3C improved significantly clinical symptoms in moderate DSS colitis, which coincides with a significantly reduced histopathological score. Even in severe DSS colitis I3C, neither Q nor the therapy control 6-thioguanine (6-TG) can prevent a fatal outcome. Moreover, treatment with Q or I3C restored in part DSS-induced loss of epithelial integrity by induction of tight-junction proteins and reduced significantly gut inflammation, as demonstrated by colonoscopy, as well as by immunohistochemistry revealing lower numbers of neutrophils and macrophages. Moreover, the number of Th17 cells is significantly reduced, while the number of Treg cells is significantly increased by treatment with Q or I3C, as well as 6-TG. Q- or I3C-induced amelioration of colitis is not observed in Ahr-/- mice suggesting the requirement of AhR ligation and signalling. Based on the results of this study, plant-derived non-toxic AhR agonists can be considered promising therapeutics in IBD therapy in humans. However, they may differ in terms of efficacy; therefore, it is indispensable to study the dose-response relationship of each individual AhR agonist also with regard to potential adverse effects, since they may also exert AhR-independent effects.
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Affiliation(s)
- Sina Riemschneider
- Department of Therapy Validation, Fraunhofer Institute for Cell Therapy and Immunology, 04103 Leipzig, Germany; (S.R.); (M.H.); (U.S.)
| | - Maximilian Hoffmann
- Department of Therapy Validation, Fraunhofer Institute for Cell Therapy and Immunology, 04103 Leipzig, Germany; (S.R.); (M.H.); (U.S.)
| | - Ulla Slanina
- Department of Therapy Validation, Fraunhofer Institute for Cell Therapy and Immunology, 04103 Leipzig, Germany; (S.R.); (M.H.); (U.S.)
| | | | - Sunna Hauschildt
- Faculty of Life Sciences, University of Leipzig, 04103 Leipzig, Germany;
| | - Jörg Lehmann
- Department of Therapy Validation, Fraunhofer Institute for Cell Therapy and Immunology, 04103 Leipzig, Germany; (S.R.); (M.H.); (U.S.)
- Fraunhofer Cluster of Excellence Immune-Mediated Diseases CIMD, 04103 Leipzig, Germany
- Correspondence:
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Immunomodulatory Effects of Dietary Polyphenols. Nutrients 2021; 13:nu13030728. [PMID: 33668814 PMCID: PMC7996139 DOI: 10.3390/nu13030728] [Citation(s) in RCA: 78] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 02/18/2021] [Accepted: 02/19/2021] [Indexed: 02/08/2023] Open
Abstract
Functional and nutraceutical foods provide an alternative way to improve immune function to aid in the management of various diseases. Traditionally, many medicinal products have been derived from natural compounds with healing properties. With the development of research into nutraceuticals, it is becoming apparent that many of the beneficial properties of these compounds are at least partly due to the presence of polyphenols. There is evidence that dietary polyphenols can influence dendritic cells, have an immunomodulatory effect on macrophages, increase proliferation of B cells, T cells and suppress Type 1 T helper (Th1), Th2, Th17 and Th9 cells. Polyphenols reduce inflammation by suppressing the pro-inflammatory cytokines in inflammatory bowel disease by inducing Treg cells in the intestine, inhibition of tumor necrosis factor-alpha (TNF-α) and induction of apoptosis, decreasing DNA damage. Polyphenols have a potential role in prevention/treatment of auto-immune diseases like type 1 diabetes, rheumatoid arthritis and multiple sclerosis by regulating signaling pathways, suppressing inflammation and limiting demyelination. In addition, polyphenols cause immunomodulatory effects against allergic reaction and autoimmune disease by inhibition of autoimmune T cell proliferation and downregulation of pro-inflammatory cytokines (interleukin-6 (IL-6), IL-1, interferon-γ (IFN-γ)). Herein, we summarize the immunomodulatory effects of polyphenols and the underlying mechanisms involved in the stimulation of immune responses.
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Kikusato M. Phytobiotics to improve health and production of broiler chickens: functions beyond the antioxidant activity. Anim Biosci 2021; 34:345-353. [PMID: 33705621 PMCID: PMC7961201 DOI: 10.5713/ab.20.0842] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 02/02/2021] [Indexed: 12/17/2022] Open
Abstract
Phytobiotics, also known as phytochemicals or phytogenics, have a wide variety of biological activities and have recently emerged as alternatives to synthetic antibiotic growth promoters. Numerous studies have reported the growth-promoting effects of phytobiotics in chickens, but their precise mechanism of action is yet to be elucidated. Phytobiotics are traditionally known for their antioxidant activity. However, extensive investigations have shown that these compounds also have anti-inflammatory, antimicrobial, and transcription-modulating effects. Phytobiotics are non-nutritive constituents, and their bioavailability is low. Nonetheless, their beneficial effects have been observed in several tissues or organs. The health benefits of the ingestion of phytobiotics are attributed to their antioxidant activity. However, several studies have revealed that not all these benefits could be explained by the antioxidant effects alone. In this review, I focused on the bioavailability of phytobiotics and the possible mechanisms underlying their overall effects on intestinal barrier functions, inflammatory status, gut microbiota, systemic inflammation, and metabolism, rather than the specific effects of each compound. I also discuss the possible mechanisms by which phytobiotics contribute to growth promotion in chickens.
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Affiliation(s)
- Motoi Kikusato
- Animal Nutrition, Life Sciences, Graduate School of Agricultural Science, Tohoku University, Sendai 980-8572, Japan
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18
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Evidence for maternal diet-mediated effects on the offspring microbiome and immunity: implications for public health initiatives. Pediatr Res 2021; 89:301-306. [PMID: 32919391 PMCID: PMC7897208 DOI: 10.1038/s41390-020-01121-x] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 07/26/2020] [Indexed: 12/25/2022]
Abstract
Diets rich in saturated fats have become a staple globally. Fifty percent of women of childbearing age in the United States are obese or overweight, with diet being a significant contributor. There is increasing evidence of the impact of maternal high-fat diet on the offspring microbiome. Alterations of the neonatal microbiome have been shown to be associated with multiple morbidities, including the development of necrotizing enterocolitis, atopy, asthma, metabolic dysfunction, and hypertension among others. This review provides an overview of the recent studies and mechanisms being examined on how maternal diet can alter the immune response and microbiome in offspring and the implications for directed public health initiatives for women of childbearing age. IMPACT: Maternal diet is important in shaping the offspring microbiome and neonatal immune system. Reviews the current literature in the field and suggests potential mechanisms and areas of research to be targeted. Highlights the current scope of our knowledge of ideal nutrition during pregnancy and consideration for enhanced public health initiatives to promote well-being of the future generation.
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Brassica Bioactives Could Ameliorate the Chronic Inflammatory Condition of Endometriosis. Int J Mol Sci 2020; 21:ijms21249397. [PMID: 33321760 PMCID: PMC7763502 DOI: 10.3390/ijms21249397] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Revised: 11/26/2020] [Accepted: 12/05/2020] [Indexed: 02/07/2023] Open
Abstract
Endometriosis is a chronic, inflammatory, hormone-dependent disease characterized by histological lesions produced by the presence of endometrial tissue outside the uterine cavity. Despite the fact that an estimated 176 million women are affected worldwide by this gynecological disorder, risk factors that cause endometriosis have not been properly defined and current treatments are not efficient. Although the interaction between diet and human health has been the focus of many studies, little information about the correlation of foods and their bioactive derivates with endometriosis is available. In this framework, Brassica crops have emerged as potential candidates for ameliorating the chronic inflammatory condition of endometriosis, due to their abundant content of health-promoting compounds such as glucosinolates and their hydrolysis products, isothiocyanates. Several inflammation-related signaling pathways have been included among the known targets of isothiocyanates, but those involving aquaporin water channels have an important role in endometriosis. Therefore, the aim of this review is to highlight the promising effects of the phytochemicals present in Brassica spp. as major candidates for inclusion in a dietary approach aiming to improve the inflammatory condition of women affected with endometriosis. This review points out the potential roles of glucosinolates and isothiocyanates from Brassicas as anti-inflammatory compounds, which might contribute to a reduction in endometriosis symptoms. In view of these promising results, further investigation of the effect of glucosinolates on chronic inflammatory diseases, either as diet coadjuvants or as therapeutic molecules, should be performed. In addition, we highlight the involvement of aquaporins in the maintenance of immune homeostasis. In brief, glucosinolates and the modulation of cellular water by aquaporins could shed light on new approaches to improve the quality of life for women with endometriosis.
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Arya VS, Kanthlal SK, Linda G. The role of dietary polyphenols in inflammatory bowel disease: A possible clue on the molecular mechanisms involved in the prevention of immune and inflammatory reactions. J Food Biochem 2020; 44:e13369. [PMID: 32885438 DOI: 10.1111/jfbc.13369] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 05/08/2020] [Accepted: 06/16/2020] [Indexed: 12/17/2022]
Abstract
Inflammatory bowel disease (IBD) is one of the major complications of the gastrointestinal tract, characterized by chronic inflammation, which disturbs the quality of life of the affected individuals. Genetic predisposition, immune, inflammatory, and enzyme-mediated signaling cascades are the primary mechanisms involved in the pathogenesis of the disease. Currently, the treatment strategy involves the maintenance of remission and induction of inflammation by anti-inflammatory agents and immune suppressants. Polyphenol-containing diets, including fruits and vegetables of regular use, possess anti-inflammatory, and antioxidant potential through the inhibition of major contributing pathways to IBD. This review discusses the role of these dietary polyphenols in downregulating the major signaling cascades in IBD. Our review encourages the development of nutritional strategies to improve the efficiency of current therapies for IBD and reduce the risks of side effects associated with conventional therapy. PRACTICAL APPLICATIONS: At present, almost every third person in society is under stress and having chronic disorders like diabetes, arthritis, allergy, cardiovascular disease, IBD, etc. This insists on the direct/indirect role of changes in the lifestyle for such deterioration in society. This review would emphasize the medicinal value of polyphenols present in fruits and vegetables for chronic inflammatory disorders. This concept portrays the food components which have the potential to promote health, improve general well-being, and reduce the risk of IBD. We propose to add fruits with bioactive polyphenols in the regular diet to help in preventing the immune-mediated intestinal chronic inflammatory syndrome and reduce the risks of colorectal cancer development.
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Affiliation(s)
- V S Arya
- Department of Pharmacology, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Science Campus, Kochi, Kerala, India
| | - S K Kanthlal
- Department of Pharmacology, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Science Campus, Kochi, Kerala, India
| | - Geevarghese Linda
- Department of Pharmacology, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Science Campus, Kochi, Kerala, India
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21
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Cian RE, Hernández-Chirlaque C, Gámez-Belmonte R, Drago SR, Sánchez de Medina F, Martínez-Augustin O. Molecular action mechanism of anti-inflammatory hydrolysates obtained from brewers' spent grain. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2020; 100:2880-2888. [PMID: 32020613 DOI: 10.1002/jsfa.10313] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 12/17/2019] [Accepted: 02/05/2020] [Indexed: 06/10/2023]
Abstract
BACKGROUND Brewers' spent grain (BSG) is a relevant, protein-rich by-product of the brewing process. Protein hydrolysates from different sources exert immune-regulatory actions activating toll-like receptors (TLRs), nuclear factor kappa B (NFκB), and mitogen-activated protein kinases (MAPKs). Effects of gastrointestinal digestion have been poorly studied. Here, we studied the immune-regulatory effect of BSG hydrolysates, and their in-vitro-digested products, on rat splenocytes, macrophages, and T lymphocytes RESULTS: In primary cultures of rat spleen cells, BSG hydrolysates induced interleukin 10 and tumor necrosis factor production in basal conditions. Under stimulation with lipopolysaccharide or concanavalin A, hydrolysates further induced interleukin 10 production. Tumor necrosis factor and interferon-γ were inhibited in lipopolysaccharide- and concanavalin-A-stimulated cells respectively. In vitro gastrointestinal digestion attenuated the observed effects. Splenic macrophages and T lymphocytes behaved in a similar fashion. In spleen cells from TLR2-/- and TLR4-/- mice, immune-regulatory effects were greatly reduced or abrogated. The study of signal transduction pathways indicated a major involvement of NFκB, and the contribution of MAPKs p38, c-Jun N-terminal kinase, and extracellular signal-regulated kinases 1 and 2. CONCLUSION BSG hydrolysates, like those obtained from other food sources, regulate the immune response, involving TLR2 and TLR4 and the activation of NFκB and MAPKs, an effect partly maintained after in vitro gastrointestinal digestion. Our data support the hypothesis of a shared, rather unspecific, mechanism of action of protein hydrolysates. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Raúl E Cian
- Instituto de Tecnología de Alimentos, CONICET, FIQ - UNL, Santa Fe, Argentina
| | - Cristina Hernández-Chirlaque
- Department of Biochemistry and Molecular Biology II, CIBERehd, School of Pharmacy, Instituto de Investigación, Biosanitaria (ibs.GRANADA), University of Granada, Granada, Spain
| | - Reyes Gámez-Belmonte
- Department of Pharmacology, CIBERehd, School of Pharmacy, Instituto de Investigación Biosanitaria (ibs.GRANADA), University of Granada, Granada, Spain
| | - Silvina R Drago
- Instituto de Tecnología de Alimentos, CONICET, FIQ - UNL, Santa Fe, Argentina
| | - Fermín Sánchez de Medina
- Department of Pharmacology, CIBERehd, School of Pharmacy, Instituto de Investigación Biosanitaria (ibs.GRANADA), University of Granada, Granada, Spain
| | - Olga Martínez-Augustin
- Department of Biochemistry and Molecular Biology II, CIBERehd, School of Pharmacy, Instituto de Investigación, Biosanitaria (ibs.GRANADA), University of Granada, Granada, Spain
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Pectin Interaction with Immune Receptors is Modulated by Ripening Process in Papayas. Sci Rep 2020; 10:1690. [PMID: 32015377 PMCID: PMC6997392 DOI: 10.1038/s41598-020-58311-0] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Accepted: 01/07/2020] [Indexed: 01/05/2023] Open
Abstract
Dietary fibers have been shown to exert immune effects via interaction with pattern recognition receptors (PRR) such as toll-like receptors (TLR) and nucleotide-binding oligomerization domain (NOD)-like receptors. Pectin is a dietary fiber that interacts with PRR depending on its chemical structure. Papaya pectin retains different chemical structures at different ripening stages. How this influence PRR signaling is unknown. The aim of this work was to determine how ripening influences pectin structures and their ability to interact with TLR2, 3, 4, 5 and 9, and NOD1 and 2. It was evaluated the interaction of the water-soluble fractions rich in pectin extracted from unripe to ripe papayas. The pectin extracted from ripe papayas activated all the TLR and, to a lesser extent, the NOD receptors. The pectin extracted from unripe papayas also activated TLR2, 4 and 5 but inhibited the activation of TLR3 and 9. The differences in pectin structures are the higher methyl esterification and smaller galacturonan chains of pectin from ripe papayas. Our finding might lead to selection of ripening stages for tailored modulation of PRR to support or attenuate immunity.
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Srisook K, Mankhong S, Chiranthanut N, Kongsamak K, Kitwiwat NT, Tongjurai P, Aramsangtienchai P. Anti-inflammatory effect of trans-4-methoxycinnamaldehyde from Etlingera pavieana in LPS-stimulated macrophages mediated through inactivation of NF-κB and JNK/c-Jun signaling pathways and in rat models of acute inflammation. Toxicol Appl Pharmacol 2019; 371:3-11. [PMID: 30943385 DOI: 10.1016/j.taap.2019.03.026] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2019] [Revised: 03/28/2019] [Accepted: 03/29/2019] [Indexed: 01/31/2023]
Abstract
Trans-4-methoxycinnamaldehyde (MCD) was isolated from the rhizomes of Etlingera pavieana (Pierre ex Gagnep.) R.M.Sm. MCD shows anti-inflammatory effects. However, the molecular mechanism underlying its anti-inflammatory action has not been described. In this study, we investigated this mechanism in lipopolysaccharide (LPS)-induced RAW 264.7 macrophages and found MCD significantly inhibited nitric oxide (NO) and prostaglandin E2 (PGE2) production in a concentration-dependent manner. MCD could decrease LPS- and Pam3CSK4- induced the expressions of both iNOS and COX-2. The phosphorylation of inhibitory κB (IκB) and translocation of nuclear factor-κB (NF-κB) p65 subunit into the nucleus were also inhibited by MCD. Moreover, MCD suppressed LPS-induced phosphorylation of JNK except for ERK and p38 mitogen-activated protein kinases (MAPKs). Moreover, MCD significantly reduced ethyl phenylpropiolate-induced ear edema and carrageenan-induced paw edema in rat models. These findings indicated MCD has anti-inflammatory activity by inhibiting the production of NO and PGE2 by blocking NF-κB and JNK/c-Jun signaling pathways. Collectively, these data suggest that MCD could be developed as a novel therapeutic agent for inflammatory disorders.
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Affiliation(s)
- Klaokwan Srisook
- Department of Biochemistry, Faculty of Science, Burapha University, Chonburi 20131, Thailand; Center of Excellence for Innovation in Chemistry, Burapha University, 20131, Thailand.
| | - Sakulrat Mankhong
- Department of Biochemistry, Faculty of Science, Burapha University, Chonburi 20131, Thailand; Center of Excellence for Innovation in Chemistry, Burapha University, 20131, Thailand
| | - Natthakarn Chiranthanut
- Department of Pharmacology, Center of Excellence for Innovation in Chemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Kittiya Kongsamak
- Department of Biochemistry, Faculty of Science, Burapha University, Chonburi 20131, Thailand
| | - Na-Thanit Kitwiwat
- Department of Biochemistry, Faculty of Science, Burapha University, Chonburi 20131, Thailand
| | - Patsara Tongjurai
- Department of Biochemistry, Faculty of Science, Burapha University, Chonburi 20131, Thailand
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Hou Y, Liang D, Liu Y, Chen H, Lou X. Up-regulation of DcR3 in microbial toxins-stimulated HUVECs involves NF-κB signalling. BMC BIOCHEMISTRY 2018; 19:13. [PMID: 30587127 PMCID: PMC6307204 DOI: 10.1186/s12858-018-0102-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Accepted: 12/05/2018] [Indexed: 12/11/2022]
Abstract
Background Sepsis is a severe condition characterised by the body’s systemic inflammatory response to infection. The specific sepsis-related biomarkers should be used in clinical diagnosis, therapeutic response monitoring, rational use of antibiotics, and prognosis (risk stratification), etc. Results In this study, we investigated the expression level of Decoy Receptor 3 (DcR3) and the mechanism of high expression in sepsis patients. Septic cell model experiments were performed by treating human umbilical vein endothelial cells (HUVECs) and Jurkat cells with lipopolysaccharide (LPS), lipoteichoic acid (LTA) and zymosan, respectively. SP600125, SB203580 and ammonium pyrrolidinedithiocarbamate (PDTC) were used to inhibit JNK1/2, p38MAPK and NF-κB signalling pathways in septic cell model, respectively. These results showed that DcR3 levels were higher in sepsis group than control. DcR3 mRNA and protein levels in HUVECs were increased following treatment with LPS, LTA and zymosan, and also increased in Jurkat cells treated by LPS, but not by LTA or zymosan. When HUVECs were treated with the NF-κB inhibitor PDTC, DcR3 expression was decreased compared with controls. However, SP600125 and SB203580 had no effect on DcR3 mRNA or protein levels. Conclusions The results indicated that DcR3 secretion proceeded through the NF-κB signalling pathway in HUVECs.
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Affiliation(s)
- Yanqiang Hou
- Department of Central Laboratory, Songjiang Hospital Affiliated First People's Hospital, Shanghai Jiao Tong University, NO.748 Middle Zhongshan Road, Songjiang District, Shanghai, 201600, China.
| | - Dongyu Liang
- Department of Central Laboratory, Songjiang Hospital Affiliated First People's Hospital, Shanghai Jiao Tong University, NO.748 Middle Zhongshan Road, Songjiang District, Shanghai, 201600, China
| | - Yang Liu
- Department of Central Laboratory, Songjiang Hospital Affiliated First People's Hospital, Shanghai Jiao Tong University, NO.748 Middle Zhongshan Road, Songjiang District, Shanghai, 201600, China
| | - Hongwei Chen
- Department of Central Laboratory, Songjiang Hospital Affiliated First People's Hospital, Shanghai Jiao Tong University, NO.748 Middle Zhongshan Road, Songjiang District, Shanghai, 201600, China
| | - Xiaoli Lou
- Department of Central Laboratory, Songjiang Hospital Affiliated First People's Hospital, Shanghai Jiao Tong University, NO.748 Middle Zhongshan Road, Songjiang District, Shanghai, 201600, China
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Cian RE, Hernández-Chirlaque C, Gámez-Belmonte R, Drago SR, Sánchez de Medina F, Martínez-Augustin O. Green Alga Ulva spp. Hydrolysates and Their Peptide Fractions Regulate Cytokine Production in Splenic Macrophages and Lymphocytes Involving the TLR4-NFκB/MAPK Pathways. Mar Drugs 2018; 16:E235. [PMID: 29997311 PMCID: PMC6071126 DOI: 10.3390/md16070235] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 06/27/2018] [Accepted: 07/10/2018] [Indexed: 01/01/2023] Open
Abstract
Hydrolysates of food protein sources have immunomodulatory effects, which are of interest for use as functional foods. In this study, we have characterized the immune regulatory effect on rat splenocytes, macrophages and T lymphocytes of Ulva spp. hydrolysates and their peptide fractions with or without in vitro gastrointestinal digestion and/or ultrafiltration. IL-10 was induced in almost all conditions and cell types obtained from wild type animals. The induction was in general increased by ultrafiltration and in vitro gastrointestinal digestion. TNF was also induced in basal conditions. In turn, TNF and IFN-γ production was attenuated by the hydrolysate products in lipopolysaccharide or concanavalin A immune stimulated cells. Inhibitors for the activation of NFκB, MAPK p38 and JNK inhibited IL-10 induction in rat splenocytes. The response was dramatically attenuated in TLR4-/- cells, and only modestly in TLR2-/- cells. Food peptides from Ulva spp. genus exert anti-inflammatory effects in immune cells mediated by TLR4 and NFκB. Similarity with the immunomodulatory profile of protein hydrolysates from other sources suggests a common mechanism.
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Affiliation(s)
- Raúl E Cian
- Instituto de Tecnología de Alimentos, CONICET, FIQ-UNL, 1 de Mayo 3250, 3000 Santa Fe, Argentina.
| | - Cristina Hernández-Chirlaque
- Department of Biochemistry and Molecular Biology II, CIBERehd, School of Pharmacy, Instituto de Investigación Biosanitaria ibs.GRANADA, University of Granada, 18071 Granada, Spain.
| | - Reyes Gámez-Belmonte
- Department of Pharmacology, CIBERehd, School of Pharmacy, Instituto de Investigación Biosanitaria ibs.GRANADA, University of Granada, 18071 Granada, Spain.
| | - Silvina R Drago
- Instituto de Tecnología de Alimentos, CONICET, FIQ-UNL, 1 de Mayo 3250, 3000 Santa Fe, Argentina.
| | - Fermín Sánchez de Medina
- Department of Pharmacology, CIBERehd, School of Pharmacy, Instituto de Investigación Biosanitaria ibs.GRANADA, University of Granada, 18071 Granada, Spain.
| | - Olga Martínez-Augustin
- Department of Biochemistry and Molecular Biology II, CIBERehd, School of Pharmacy, Instituto de Investigación Biosanitaria ibs.GRANADA, University of Granada, 18071 Granada, Spain.
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26
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Ou T, Lilly M, Jiang W. The Pathologic Role of Toll-Like Receptor 4 in Prostate Cancer. Front Immunol 2018; 9:1188. [PMID: 29928275 PMCID: PMC5998742 DOI: 10.3389/fimmu.2018.01188] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Accepted: 05/14/2018] [Indexed: 01/01/2023] Open
Abstract
Toll-like receptor (TLR) 4 is expressed on normal and malignant prostate epithelial cells. The TLR4 and its downstream signaling pathways mediate innate immune responses in the host against invading pathogens. However, multiple lines of evidence shows that TLR4 expression is increased in prostate tissues from prostate cancer patients, and altered TLR4 signals may promote cancer development, as well as antitumor effects. In this review, we have summarized key features of the TLR4 signaling pathway and its associated immune responses and focused on the pathologic role of TLR4 in prostate carcinogenesis and tumor progression.
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Affiliation(s)
- Tongwen Ou
- Department of Urology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Michael Lilly
- Division of Hematology and Oncology, Department of Medicine, Medical University of South Carolina, Charleston, SC, United States
| | - Wei Jiang
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, United States
- Division of Infectious Diseases, Department of Medicine, Medical University of South Carolina, Charleston, SC, United States
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27
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Niedzwiecki M, Samant P, Walker DI, Tran V, Jones DP, Prausnitz MR, Miller GW. Human Suction Blister Fluid Composition Determined Using High-Resolution Metabolomics. Anal Chem 2018; 90:3786-3792. [PMID: 29425024 PMCID: PMC5863097 DOI: 10.1021/acs.analchem.7b04073] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Accepted: 02/09/2018] [Indexed: 12/22/2022]
Abstract
Interstitial fluid (ISF) surrounds the cells and tissues of the body. Since ISF has molecular components similar to plasma, as well as compounds produced locally in tissues, it may be a valuable source of biomarkers for diagnostics and monitoring. However, there has not been a comprehensive study to determine the metabolite composition of ISF and to compare it to plasma. In this study, the metabolome of suction blister fluid (SBF), which largely consists of ISF, collected from 10 human volunteers was analyzed using untargeted high-resolution metabolomics (HRM). A wide range of metabolites were detected in SBF, including amino acids, lipids, nucleotides, and compounds of exogenous origin. Various systemic and skin-derived metabolite biomarkers were elevated or found uniquely in SBF, and many other metabolites of clinical and physiological significance were well correlated between SBF and plasma. In sum, using untargeted HRM profiling, this study shows that SBF can be a valuable source of information about metabolites relevant to human health.
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Affiliation(s)
- Megan
M. Niedzwiecki
- Department
of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, Georgia 30322, United States
| | - Pradnya Samant
- School
of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Douglas I. Walker
- Clinical
Biomarkers Laboratory, Division of Pulmonary, Allergy, and Critical
Care Medicine, Emory University School of
Medicine, Atlanta, Georgia 30322, United
States
| | - ViLinh Tran
- Clinical
Biomarkers Laboratory, Division of Pulmonary, Allergy, and Critical
Care Medicine, Emory University School of
Medicine, Atlanta, Georgia 30322, United
States
| | - Dean P. Jones
- Clinical
Biomarkers Laboratory, Division of Pulmonary, Allergy, and Critical
Care Medicine, Emory University School of
Medicine, Atlanta, Georgia 30322, United
States
| | - Mark R. Prausnitz
- School
of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Gary W. Miller
- Department
of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, Georgia 30322, United States
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28
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Natural Products with Toll-Like Receptor 4 Antagonist Activity. Int J Inflam 2018; 2018:2859135. [PMID: 29686833 PMCID: PMC5852877 DOI: 10.1155/2018/2859135] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Revised: 01/09/2018] [Accepted: 01/30/2018] [Indexed: 01/25/2023] Open
Abstract
Toll-Like Receptors (TLRs) are the innate immunity receptors that play an activating role when interacting with molecules released by bacteria and viruses (PAMPs, pathogen-associated molecular patterns) or with molecules released by injured cells and tissues (DAMPs, danger-associated molecular patterns). TLR triggering leads to the induction of proinflammatory cytokines and chemokines, driving the activation of both innate and adaptive immunity. In particular, Toll-Like Receptor 4 (TLR4) has been described to be involved in the inflammatory processes observed in several pathologies (such as ischemia/reperfusion injury, neuropathic pain, neurodegenerative diseases, and cancer). Molecules obtained by natural sources have been discovered to exert an anti-inflammatory action by targeting TLR4 activation pathways. This review focuses on TLR4 antagonists obtained from bacteria, cyanobacteria, and plants.
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29
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Wright MH, Sieber SA. Chemical proteomics approaches for identifying the cellular targets of natural products. Nat Prod Rep 2017; 33:681-708. [PMID: 27098809 PMCID: PMC5063044 DOI: 10.1039/c6np00001k] [Citation(s) in RCA: 258] [Impact Index Per Article: 36.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
This review focuses on chemical probes to identify the protein binding partners of natural products in living systems.
Covering: 2010 up to 2016 Deconvoluting the mode of action of natural products and drugs remains one of the biggest challenges in chemistry and biology today. Chemical proteomics is a growing area of chemical biology that seeks to design small molecule probes to understand protein function. In the context of natural products, chemical proteomics can be used to identify the protein binding partners or targets of small molecules in live cells. Here, we highlight recent examples of chemical probes based on natural products and their application for target identification. The review focuses on probes that can be covalently linked to their target proteins (either via intrinsic chemical reactivity or via the introduction of photocrosslinkers), and can be applied “in situ” – in living systems rather than cell lysates. We also focus here on strategies that employ a click reaction, the copper-catalysed azide–alkyne cycloaddition reaction (CuAAC), to allow minimal functionalisation of natural product scaffolds with an alkyne or azide tag. We also discuss ‘competitive mode’ approaches that screen for natural products that compete with a well-characterised chemical probe for binding to a particular set of protein targets. Fuelled by advances in mass spectrometry instrumentation and bioinformatics, many modern strategies are now embracing quantitative proteomics to help define the true interacting partners of probes, and we highlight the opportunities this rapidly evolving technology provides in chemical proteomics. Finally, some of the limitations and challenges of chemical proteomics approaches are discussed.
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Affiliation(s)
- M H Wright
- Department of Chemistry, Technische Universität München, Lichtenbergstraße 4, 85748, Garching, Germany.
| | - S A Sieber
- Department of Chemistry, Technische Universität München, Lichtenbergstraße 4, 85748, Garching, Germany.
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30
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Shimizu M. Multifunctions of dietary polyphenols in the regulation of intestinal inflammation. J Food Drug Anal 2017; 25:93-99. [PMID: 28911547 PMCID: PMC9333418 DOI: 10.1016/j.jfda.2016.12.003] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Accepted: 07/24/2016] [Indexed: 01/12/2023] Open
Abstract
Food for specified health use is a type of functional food approved by the Japanese government, with more than 1250 products in 10 health-claim categories being approved as of April 2016. Polyphenols are currently used as functional ingredients in seven of the 10 categories. Although they have not yet been used for the food-for-specified-health-use category of “gut health promotion,” polyphenols are expected to contribute to the future development of gut-modulating food. Intestinal functions include digestion/absorption, acting as a barrier, recognition of external factors, and signal transduction. Owing to incessant exposure to external stress factors including food substances, bacteria, and environmental chemicals, intestines are always inflammatory to some extent, which may cause damage to and dysfunction of intestinal tissues depending on the situation. We identified food factors that could suppress immoderate inflammation in the intestines. In addition to certain amino acids and peptides, polyphenols such as chlorogenic acid and isoflavones were found to suppress inflammation in intestinal cells. Intestinal inflammation is caused by various factors in diverse mechanisms. Recent studies revealed that activation of pattern recognition receptors, such as Toll-like receptors and nucleotide-binding oligomerization domain proteins, in epithelial cells triggers intestinal inflammation. Intracellular receptors or signaling molecules controlling the intestinal detoxification system are also involved in the regulation of inflammation. Differentiation of regulatory T cells by activating a transcription factor Foxp-3 is known to suppress intestinal inflammation. A variety of phytochemicals including polyphenols modulate these receptors and signaling molecules, and are thus anti-inflammatory. Polyphenols affect epigenetic changes occurring in intestinal tissues by interacting with the enzymes responsible for DNA methylation and histone acetylation. New types of anti-inflammatory food factors may be discovered by examining dietary substances that interact with the abovementioned target molecules.
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Affiliation(s)
- Makoto Shimizu
- Corresponding author: Department of Applied Bioscience, Tokyo University of Agriculture, Setagaya-ku, Tokyo 156-8502, Japan. E-mail address:
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31
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de la Iglesia R, Loria-Kohen V, Zulet MA, Martinez JA, Reglero G, Ramirez de Molina A. Dietary Strategies Implicated in the Prevention and Treatment of Metabolic Syndrome. Int J Mol Sci 2016; 17:E1877. [PMID: 27834920 PMCID: PMC5133877 DOI: 10.3390/ijms17111877] [Citation(s) in RCA: 102] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Revised: 10/07/2016] [Accepted: 10/31/2016] [Indexed: 02/06/2023] Open
Abstract
Metabolic syndrome (MetS) is established as the combination of central obesity and different metabolic disturbances, such as insulin resistance, hypertension and dyslipidemia. This cluster of factors affects approximately 10%-50% of adults worldwide and the prevalence has been increasing in epidemic proportions over the last years. Thus, dietary strategies to treat this heterogenic disease are under continuous study. In this sense, diets based on negative-energy-balance, the Mediterranean dietary pattern, n-3 fatty acids, total antioxidant capacity and meal frequency have been suggested as effective approaches to treat MetS. Furthermore, the type and percentage of carbohydrates, the glycemic index or glycemic load, and dietary fiber content are some of the most relevant aspects related to insulin resistance and impaired glucose tolerance, which are important co-morbidities of MetS. Finally, new studies focused on the molecular action of specific nutritional bioactive compounds with positive effects on the MetS are currently an objective of scientific research worldwide. The present review summarizes some of the most relevant dietary approaches and bioactive compounds employed in the treatment of the MetS to date.
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Affiliation(s)
- Rocio de la Iglesia
- GENYAL Platform on Nutrition and Health, IMDEA Food Institute, CEI UAM + CSIC, 28049 Madrid, Spain.
| | - Viviana Loria-Kohen
- GENYAL Platform on Nutrition and Health, IMDEA Food Institute, CEI UAM + CSIC, 28049 Madrid, Spain.
| | - Maria Angeles Zulet
- Department of Nutrition, Food Science and Physiology, University of Navarra, 31008 Pamplona, Spain.
- CIBER Fisiopatología de la Obesidad y la Nutrición (CIBERobn), 28029 Madrid, Spain.
| | - Jose Alfredo Martinez
- Department of Nutrition, Food Science and Physiology, University of Navarra, 31008 Pamplona, Spain.
- CIBER Fisiopatología de la Obesidad y la Nutrición (CIBERobn), 28029 Madrid, Spain.
| | - Guillermo Reglero
- GENYAL Platform on Nutrition and Health, IMDEA Food Institute, CEI UAM + CSIC, 28049 Madrid, Spain.
| | - Ana Ramirez de Molina
- GENYAL Platform on Nutrition and Health, IMDEA Food Institute, CEI UAM + CSIC, 28049 Madrid, Spain.
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32
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Chen L, Yu J. Modulation of Toll-like receptor signaling in innate immunity by natural products. Int Immunopharmacol 2016; 37:65-70. [PMID: 26899347 PMCID: PMC4916003 DOI: 10.1016/j.intimp.2016.02.005] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Revised: 01/23/2016] [Accepted: 02/03/2016] [Indexed: 12/14/2022]
Abstract
For centuries, natural products and their derivatives have provided a rich source of compounds for the development of new immunotherapies in the treatment of human disease. Many of these compounds are currently undergoing clinical trials, particularly as anti-oxidative, anti-microbial, and anti-cancer agents. However, the function and mechanism of natural products in how they interact with our immune system has yet to be extensively explored. Natural immune modulators may provide the key to control and ultimately defeat disorders affecting the immune system. They can either up- or down-regulate the immune response with few undesired adverse effects. In this review, we summarize the recent advancements made in utilizing natural products for immunomodulation and their important molecular targets, members of the Toll-like receptor (TLR) family, in the innate immune system.
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Affiliation(s)
- Luxi Chen
- Medical Scientist Training Program, The Ohio State University, Columbus, OH, USA
| | - Jianhua Yu
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA; The Ohio State University Comprehensive Cancer Center, The James Cancer Hospital & Solove Research Center, Columbus, OH, USA.
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33
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A novel tag-free probe for targeting molecules interacting with a flavonoid catabolite. Biochem Biophys Rep 2016; 7:240-245. [PMID: 28955912 PMCID: PMC5613513 DOI: 10.1016/j.bbrep.2016.06.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2016] [Revised: 06/15/2016] [Accepted: 06/16/2016] [Indexed: 11/21/2022] Open
Abstract
3,4-Dihydroxyphenylacetic acid (DOPAC) is one of the colonic microflora-produced catabolites of quercetin 4′-glucoside (Q4′G). Although the interaction of DOPAC with cellular proteins might be involved in its biological activity, the actual proteins have not yet been identified. In this study, we developed a novel tag-free DOPAC probe to label the targeted proteins by the copper(I)-catalyzed azide alkyne cycloaddition (CuAAC) and verified its efficacy. Various labeled proteins were detected by the DOPAC probe with the azide labeled biotin and a horseradish peroxidase (HRP)-streptavidin complex. Furthermore, a pulldown assay identified Keap1 and aryl hydrocarbon receptor (AhR) as the target proteins for the phase 2 enzyme up-regulation. A novel tag-free probe for targeting molecules interacting with a flavonoid catabolite was developed. Various labeled proteins were successfully detected by this probe with click chemistry. A pulldown assay identified Keap1 and aryl hydrocarbon receptor as the target proteins of a flavonoid catabolite.
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34
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Pierzchalska M, Grabacka M. The potential role of some phytochemicals in recognition of mitochondrial damage-associated molecular patterns. Mitochondrion 2016; 30:24-34. [PMID: 27288721 DOI: 10.1016/j.mito.2016.06.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Revised: 06/05/2016] [Accepted: 06/07/2016] [Indexed: 02/07/2023]
Abstract
Mitochondria are the source of damage-associated molecular patterns (DAMPs). DAMPs modulate responses to stress and trauma in animals, influencing the onset of many diseases. Dietary phytochemicals, which target various cellular molecules, are potential modulators of immunological status. In this review the existence of the possible impact of some plant-derived compounds with proven anti-cancer and anti-inflammatory properties (isothiocyanates and curcumin) on DAMPs recognition is highlighted. Special consideration is given to the mtDNA recognizing Toll-like receptor 9 and formyl peptide receptors. In the context of the phytochemicals action, the role of these receptors in epithelial homeostasis is also discussed.
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Affiliation(s)
- Malgorzata Pierzchalska
- Department of Food Biotechnology, Faculty of Food Technology, The University of Agriculture in Kraków, Poland.
| | - Maja Grabacka
- Department of Food Biotechnology, Faculty of Food Technology, The University of Agriculture in Kraków, Poland
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35
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Herieka M, Faraj TA, Erridge C. Reduced dietary intake of pro-inflammatory Toll-like receptor stimulants favourably modifies markers of cardiometabolic risk in healthy men. Nutr Metab Cardiovasc Dis 2016; 26:194-200. [PMID: 26803597 DOI: 10.1016/j.numecd.2015.12.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Revised: 11/06/2015] [Accepted: 12/09/2015] [Indexed: 11/22/2022]
Abstract
BACKGROUND AND AIMS Because pro-inflammatory stimulants of Toll-like receptor-2 and TLR4 (pathogen-associated molecular patterns, PAMPs), are abundant in some processed foods, we explored the effects of diets enriched or depleted in these molecules on markers of cardiometabolic risk in man. METHODS AND RESULTS Adherence to a low PAMP diet for 7 days reduced LDL-cholesterol (-0.69 mM, P = 0.024) and abdominal circumference (-1.6 cm, P = 0.001) in 11 habitual consumers of high PAMP foodstuffs, and these markers, together with leukocyte counts (+14%, P = 0.017) increased significantly after 4 days consuming predominantly high PAMP foods. Change in LDL-cholesterol and leukocyte counts correlated well with change in frequency of intake of high PAMP foodstuffs per individual (r = 0.540, P = 0.0095 and r = 0.6551, P = 0.0009, respectively). In an independent group of 13 healthy men, leukocyte counts and expression of the activation marker CD11b on granulocytes and monocytes were significantly reduced after a fresh onion meal (P < 0.05), but these effects were reversed by a high PAMP equivalent meal. CONCLUSIONS A low PAMP diet is associated with reduced levels of several cardiometabolic risk factors, while a high PAMP diet reverses these effects. These findings suggest a novel potential mechanistic explanation for the observed association between processed food consumption and risk of cardiometabolic diseases. The study is registered at clinicaltrials.org (reference NCT02430064).
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Affiliation(s)
- M Herieka
- Department of Cardiovascular Sciences, Glenfield Hospital, University of Leicester, LE3 9QP, UK
| | - T A Faraj
- Department of Cardiovascular Sciences, Glenfield Hospital, University of Leicester, LE3 9QP, UK
| | - C Erridge
- Department of Cardiovascular Sciences, Glenfield Hospital, University of Leicester, LE3 9QP, UK.
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36
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Zhong J, Shi QQ, Zhu MM, Shen J, Wang HH, Ma D, Miao CH. MFHAS1 Is Associated with Sepsis and Stimulates TLR2/NF-κB Signaling Pathway Following Negative Regulation. PLoS One 2015; 10:e0143662. [PMID: 26599367 PMCID: PMC4658032 DOI: 10.1371/journal.pone.0143662] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2015] [Accepted: 11/06/2015] [Indexed: 12/13/2022] Open
Abstract
Malignant fibrous histiocytoma amplified sequence 1 (MFHAS1) has a potential immunoregulatory role dependent on Toll-like receptors (TLRs). TLR2, associated with deleterious systemic inflammation, cardiac dysfunction, and acute kidney injury, acts synergistically in sepsis. The role of MFHAS1 in targeting TLR2 involved in sepsis has not been examined thus far. This study aimed to examine the relationship of MFHAS1 and sepsis, and the effect of MFHAS1 on the TLR2 signaling pathway. Blood samples were collected from eight sepsis patients after surgery and eight patients undergoing selective surgery to determine blood MFHAS1 levels. HEK 293 cells, RAW 264.7 macrophages and THP-1 monocytes were used to confirm the effect of MFHAS1 on TLR2 signaling pathway. Our study showed that blood MFHAS1 was significantly elevated in septic patients, and MFHAS1 was more increased in mononuclear cells from septic patients. Pam3CSK4 (TLR2 ligand) was found to induce MFHAS1 production in RAW 264.7 murine macrophages and THP-1 human monocytes in a time-dependent manner. MFHAS1 has dual effects on TLR2 signaling pathway and inflammation, i.e., inhibitory effect at 6 hours, and then stimulatory effect after 24 hours through the activation of TLR2/NF-κB signaling pathway, and MFHAS1 induced the phosphorylation of JNK and p38 after TLR2 stimulation.
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Affiliation(s)
- Jing Zhong
- Department of Anesthesiology, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Qi-Qing Shi
- Children’s Hospital of Fudan University, Shanghai, China
| | - Min-Min Zhu
- Department of Anesthesiology, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Jian Shen
- Department of Anesthesiology, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Hui-Hui Wang
- Department of Anesthesiology, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Duan Ma
- Key Laboratory of Molecular Medicine, Ministry of Education, Department of Biochemistry and Molecular Biology, Institutes of Biomedical Sciences, School of Basic Medical Sciences, Fudan University, Shanghai, China
- * E-mail: (CHM); (DM)
| | - Chang-Hong Miao
- Department of Anesthesiology, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- * E-mail: (CHM); (DM)
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