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Liu L, Zhao Y, Huang Z, Long Z, Qin H, Lin H, Zhou S, Kong L, Ma J, Lin Y, Li Z. Evaluation of quercetin in alleviating the negative effects of high soybean meal diet on spotted sea bass Lateolabrax maculatus. FISH & SHELLFISH IMMUNOLOGY 2024; 150:109607. [PMID: 38719096 DOI: 10.1016/j.fsi.2024.109607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 04/22/2024] [Accepted: 05/02/2024] [Indexed: 05/23/2024]
Abstract
The aim of this study was to investigate the effects of quercetin (QUE) on alleviating the negative effects of high soybean meal diet for spotted sea bass Lateolabrax maculatus. A healthy control group fed a 44% fishmeal diet was used, while the induction control group replaced 50% fishmeal with soybean meal. Subsequently, QUE was added at concentrations of 0.25, 0.50, 0.75, and 1.00 g/kg in the experimental groups. A total of 540 tailed spotted sea bass were randomly divided into 6 groups and fed the corresponding diet for 56 days. The results showed that 40% soybean meal significantly decreased the growth performance and immunity, increased the intestinal mucosal permeability, and caused damage to the intestinal tissue morphology; moreover, there were alterations observed in the composition of the intestinal microbiota, accompanied by detectable levels of saponins in the metabolites. However, the addition of QUE did not yield significant changes in growth performance; instead, it notably reduced the permeability of the intestinal mucosa, improved the body's immunity and the structural integrity of the intestinal tissue, increased the proportion of Proteobacteria, and enhanced the richness and diversity of intestinal microorganisms to a certain extent. In addition, QUE up-regulate the metabolism of amino acids and their derivatives and energy-related metabolites such as uridine and guanosine; furthermore, it appears to regulate transporters through the ABC transporters pathway to promote the absorption and utilization of QUE by enterocytes.
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Affiliation(s)
- Longhui Liu
- Fisheries College, Jimei University, Xiamen, China; Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco-environment, Xiamen, China
| | - Yanbo Zhao
- Fisheries College, Jimei University, Xiamen, China; Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco-environment, Xiamen, China
| | - Zhangfan Huang
- Fisheries College, Jimei University, Xiamen, China; Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco-environment, Xiamen, China
| | - Zhongying Long
- Fisheries College, Jimei University, Xiamen, China; Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco-environment, Xiamen, China
| | - Huihui Qin
- Fisheries College, Jimei University, Xiamen, China; Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco-environment, Xiamen, China
| | - Hao Lin
- Fisheries College, Jimei University, Xiamen, China; Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco-environment, Xiamen, China
| | - Sishun Zhou
- Fisheries College, Jimei University, Xiamen, China; Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco-environment, Xiamen, China
| | - Lumin Kong
- Fisheries College, Jimei University, Xiamen, China; Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco-environment, Xiamen, China
| | - Jianrong Ma
- Fisheries College, Jimei University, Xiamen, China; Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco-environment, Xiamen, China
| | - Yi Lin
- Fisheries College, Jimei University, Xiamen, China; Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco-environment, Xiamen, China
| | - Zhongbao Li
- Fisheries College, Jimei University, Xiamen, China; Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco-environment, Xiamen, China.
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Mu K, Kitts DD. Gallic acid mitigates intestinal inflammation and loss of tight junction protein expression using a 2D-Caco-2 and RAW 264.7 co-culture model. Arch Biochem Biophys 2024; 756:109978. [PMID: 38636693 DOI: 10.1016/j.abb.2024.109978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Accepted: 03/24/2024] [Indexed: 04/20/2024]
Abstract
A 2D-intestinal epithelial Caco-2/RAW 264.7 macrophage co-culture model was developed to demonstrate the relative efficacy of different phenolic acids to mitigate changes in Caco-2 epithelial cell redox state initiated both directly by autoxidation products, H2O2, and indirectly through cell communication events originating from cytokine stimulated macrophage. An inducer cocktail (lipopolysaccharide + interferon gamma) was used to activate RAW 264.7 cells in the 2D- Caco-2/RAW co-culture and intracellular changes in Caco-2 cell redox signaling occurred in response to positive changes (p < 0.05) in inflammatory biomarkers derived in macrophage that included IL-6, TNF-α, nitric oxide and peroxynitrite, respectively. Phenolic acids varied in relative capacity to reduce NF-κB (nuclear factor kappa-light-chain-enhancer of activated B cells) in cocktail inflamed induced macrophage. This response in addition to the relative predisposition of gallic acid (GA) to undergo autoxidation to generate H2O2 activity (p < 0.05), culminated in downstream cell signaling in Caco-2 nuclear factor erythroid 2-related factor (Nrf2) activity (increase 26.9 %), altered monolayer integrity (increase 33.7 %), and release of interleukin 8 (IL-8) (decrease 80.5 %) (p < 0.05). It can be concluded that the co-culture model described herein was useful to assess the importance of communication between cytokine stimulated macrophage and intestinal cells. Moreover, the relative unique efficacy of GA, compared to other phenolic acids tested to protect against activated macrophage induced changes related to intestinal dysfunction were particularly relevant to epithelial redox signaling, intestinal permeability and regulation of tight junction proteins. This study concludes that phenolic acids are not equal in the capacity to protect against intestinal cell dysfunction despite some indication of biological activity.
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Affiliation(s)
- Kaiwen Mu
- Food Nutrition and Health Program, Faculty of Land and Food Systems, The University of British Columbia, 2205 East Mall, Vancouver, V6T-1Z4, B.C, Canada
| | - David D Kitts
- Food Nutrition and Health Program, Faculty of Land and Food Systems, The University of British Columbia, 2205 East Mall, Vancouver, V6T-1Z4, B.C, Canada.
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3
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Paraskeuas V, Pastor A, Steiner T, Mountzouris KC. Effects of a dietary isoquinoline alkaloids blend on gut antioxidant capacity and gut barrier of young broilers. Poult Sci 2024; 103:103654. [PMID: 38537403 PMCID: PMC11067758 DOI: 10.1016/j.psj.2024.103654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 03/04/2024] [Accepted: 03/10/2024] [Indexed: 05/01/2024] Open
Abstract
Extensive mechanistic evidence to support the beneficial function of dietary phytobiotic applications for broiler performance, gut function and health is highly warranted. In particular, for isoquinoline alkaloids (IQ) the underlying mechanisms related to critical gut homeostasis components such as cytoprotection and gut barrier are scarce, especially for young broilers at the starter growth stage (d1-10). The aim of this study was to investigate the effect of a standardized blend of IQs on the relative gene expression of critical biomarkers relevant for antioxidant response and barrier function along the intestine of young broilers at the end of starter growth phase. For this purpose, 182 one-day-old Ross 308 broilers were allocated in 2 treatments with 7 replicates of 13 broilers each: control diet-no other additions (NC), and control diet containing a standardized blend of IQs at 200 mg/kg of diet (M) for the starter growth period (1-10d). The results revealed that the IQs blend significantly upregulated (P < 0.05) the expression of genes related to antioxidant response in all intestinal segments. Moreover, the IQs blend enhanced (P < 0.05) gut barrier components primarily at duodenal level. In conclusion, the blend of IQs beneficially affected critical pathway components relevant for the gut antioxidant capacity and barrier along the intestine of young broilers.
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Affiliation(s)
- Vasileios Paraskeuas
- Laboratory of Nutritional Physiology and Feeding, Department of Animal Science, School of Animal Biosciences, Agricultural University of Athens, Athens 11855, Greece
| | - Anja Pastor
- Phytobiotics Futterzusatzstoffe GmbH, Eltville, Germany
| | | | - Konstantinos C Mountzouris
- Laboratory of Nutritional Physiology and Feeding, Department of Animal Science, School of Animal Biosciences, Agricultural University of Athens, Athens 11855, Greece.
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Li Y, Cai L, Bi Q, Sun W, Pi Y, Jiang X, Li X. Genistein Alleviates Intestinal Oxidative Stress by Activating the Nrf2 Signaling Pathway in IPEC-J2 Cells. Vet Sci 2024; 11:154. [PMID: 38668421 PMCID: PMC11053601 DOI: 10.3390/vetsci11040154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Revised: 03/22/2024] [Accepted: 03/28/2024] [Indexed: 04/29/2024] Open
Abstract
In the weaning period, piglets often face oxidative stress, which will cause increased diarrhea and mortality. Genistein, a flavonoid, which is extracted from leguminous plants, possesses anti-inflammatory and antioxidative bioactivities. However, little is known about whether genistein could attenuate the oxidative stress that occurs in porcine intestinal epithelial cells (IPEC-J2). Herein, this experiment was carried out to investigate the protective effects of genistein in the IPEC-J2 cells oxidative stress model. Our results disclosed that H2O2 stimulation brought about a significant diminution in catalase (CAT) activity and cell viability, as well as an increase in the levels of reactive oxygen species (ROS) in IPEC-J2 cells (p < 0.05), whereas pretreating cells with genistein before H2O2 exposure helped to alleviate the reduction in CAT activity and cell viability (p < 0.05) and the raise in the levels of ROS (p = 0.061) caused by H2O2. Furthermore, H2O2 stimulation of IPEC-J2 cells remarkably suppressed gene level Nrf2 and CAT expression, in addition to protein level Nrf2 expression, but pretreating cells with genistein reversed this change (p < 0.05). Moreover, genistein pretreatment prevented the downregulation of occludin expression at the gene and protein level, and ZO-1 expression at gene level (p < 0.05). In summary, our findings indicate that genistein possesses an antioxidant capacity in IPEC-J2 cells which is effective against oxidative stress; the potential mechanism may involve the Nrf2 signaling pathway. Our findings could offer a novel nutritional intervention strategy to enhance the intestinal health of piglets during the weaning process.
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Affiliation(s)
- Yanpin Li
- Key Laboratory of Feed Biotechnology of Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (Y.L.); (L.C.); (Q.B.); (W.S.); (X.J.)
| | - Long Cai
- Key Laboratory of Feed Biotechnology of Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (Y.L.); (L.C.); (Q.B.); (W.S.); (X.J.)
| | - Qingyue Bi
- Key Laboratory of Feed Biotechnology of Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (Y.L.); (L.C.); (Q.B.); (W.S.); (X.J.)
- College of Agriculture, Yanbian University, Yanji 133000, China
| | - Wenjuan Sun
- Key Laboratory of Feed Biotechnology of Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (Y.L.); (L.C.); (Q.B.); (W.S.); (X.J.)
| | - Yu Pi
- Key Laboratory of Feed Biotechnology of Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (Y.L.); (L.C.); (Q.B.); (W.S.); (X.J.)
| | - Xianren Jiang
- Key Laboratory of Feed Biotechnology of Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (Y.L.); (L.C.); (Q.B.); (W.S.); (X.J.)
| | - Xilong Li
- Key Laboratory of Feed Biotechnology of Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (Y.L.); (L.C.); (Q.B.); (W.S.); (X.J.)
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Li H, Liang J, Han M, Gao Z. Polyphenols synergistic drugs to ameliorate non-alcoholic fatty liver disease via signal pathway and gut microbiota: A review. J Adv Res 2024:S2090-1232(24)00091-2. [PMID: 38471648 DOI: 10.1016/j.jare.2024.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 03/04/2024] [Accepted: 03/07/2024] [Indexed: 03/14/2024] Open
Abstract
BACKGROUND Non-alcoholic fatty liver disease (NAFLD) is a common chronic liver disease with an increasing incidence worldwide. Single drug therapy may have toxic side effects and disrupt gut microbiota balance. Polyphenols are widely used in disease intervention due to their distinctive nutritional properties and medicinal value, which a potential gut microbiota modulator. However, there is a lack of comprehensive review to explore the efficacy and mechanism of combined therapy with drugs and polyphenols for NAFLD. AIM OF REVIEW Based on this, this review firstly discusses the link between NAFLD and gut microbiota, and outlines the effects of polyphenols and drugs on gut microbiota. Secondly, it examined recent advances in the treatment and intervention of NAFLD with drugs and polyphenols and the therapeutic effect of the combination of the two. Finally, we highlight the underlying mechanisms of polyphenol combined drug therapy in NAFLD. This is mainly in terms of signaling pathways (NF-κB, AMPK, Nrf2, JAK/STAT, PPAR, SREBP-1c, PI3K/Akt and TLR) and gut microbiota. Furthermore, some emerging mechanisms such as microRNA potential biomarker therapies may provide therapeutic avenues for NAFLD. KEY SCIENTIFIC CONCEPTS OF REVIEW Drawing inspiration from combination drug strategies, the use of active substances in combination with drugs for NAFLD intervention holds transformative and prospective potential, both improve NAFLD and restore gut microbiota balance while reducing the required drug dosage. This review systematically discusses the bidirectional interactions between gut microbiota and NAFLD, and summarizes the potential mechanisms of polyphenol synergistic drugs in the treatment of NAFLD by modulating signaling pathways and gut microbiota. Future researches should develop multi-omics technology to identify patients who benefit from polyphenols combination drugs and devising individualized treatment plans to enhance its therapeutic effect.
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Affiliation(s)
- Hongcai Li
- College of Food Science and Engineering, Northwest A&F University, 712100 Yangling, Shaanxi, People's Republic of China
| | - Jingjing Liang
- College of Food Science and Engineering, Northwest A&F University, 712100 Yangling, Shaanxi, People's Republic of China
| | - Mengzhen Han
- College of Food Science and Engineering, Northwest A&F University, 712100 Yangling, Shaanxi, People's Republic of China
| | - Zhenpeng Gao
- College of Food Science and Engineering, Northwest A&F University, 712100 Yangling, Shaanxi, People's Republic of China.
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Li J, Guo Y, Ma L, Liu Y, Zou C, Kuang H, Han B, Xiao Y, Wang Y. Synergistic effects of alginate oligosaccharide and cyanidin-3-O-glucoside on the amelioration of intestinal barrier function in mice. FOOD SCIENCE AND HUMAN WELLNESS 2023. [DOI: 10.1016/j.fshw.2023.03.047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/09/2023]
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7
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Blagov AV, Orekhova VA, Sukhorukov VN, Melnichenko AA, Orekhov AN. Potential Use of Antioxidant Compounds for the Treatment of Inflammatory Bowel Disease. Pharmaceuticals (Basel) 2023; 16:1150. [PMID: 37631065 PMCID: PMC10458684 DOI: 10.3390/ph16081150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 07/29/2023] [Accepted: 08/11/2023] [Indexed: 08/27/2023] Open
Abstract
Since inflammatory bowel diseases (IBDs) are chronic, the development of new effective therapeutics to combat them does not lose relevance. Oxidative stress is one of the main pathological processes that determines the progression of IBD. In this regard, antioxidant therapy seems to be a promising approach. The role of oxidative stress in the development and progression of IBD is considered in detail in this review. The main cause of oxidative stress in IBD is an inadequate response of leukocytes to dysbiosis and food components in the intestine. Passage of immune cells through the intestinal barrier leads to increased ROS concentration and the pathological consequences of exposure to oxidative stress based on the development of inflammation and impaired intestinal permeability. To combat oxidative stress in IBD, several promising natural (curcumin, resveratrol, quercetin, and melatonin) and artificial antioxidants (N-acetylcysteine (NAC) and artificial superoxide dismutase (aSOD)) that had been shown to be effective in a number of clinical trials have been proposed. Their mechanisms of action on pathological events in IBD and clinical manifestations from their impact have been determined. The prospects for the use of other antioxidants that have not yet been tested in the treatment of IBD, but have the properties of potential therapeutic candidates, have been also considered.
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Affiliation(s)
- Alexander V. Blagov
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, 8 Baltiiskaya Street, Moscow 125315, Russia; (V.A.O.); (V.N.S.); (A.A.M.)
| | - Varvara A. Orekhova
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, 8 Baltiiskaya Street, Moscow 125315, Russia; (V.A.O.); (V.N.S.); (A.A.M.)
- Institute for Atherosclerosis Research, Osennyaya Street 4-1-207, Moscow 121609, Russia
| | - Vasily N. Sukhorukov
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, 8 Baltiiskaya Street, Moscow 125315, Russia; (V.A.O.); (V.N.S.); (A.A.M.)
- Institute for Atherosclerosis Research, Osennyaya Street 4-1-207, Moscow 121609, Russia
| | - Alexandra A. Melnichenko
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, 8 Baltiiskaya Street, Moscow 125315, Russia; (V.A.O.); (V.N.S.); (A.A.M.)
| | - Alexander N. Orekhov
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, 8 Baltiiskaya Street, Moscow 125315, Russia; (V.A.O.); (V.N.S.); (A.A.M.)
- Institute for Atherosclerosis Research, Osennyaya Street 4-1-207, Moscow 121609, Russia
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Solnier J, Zhang Y, Roh K, Kuo YC, Du M, Wood S, Hardy M, Gahler RJ, Chang C. A Pharmacokinetic Study of Different Quercetin Formulations in Healthy Participants: A Diet-Controlled, Crossover, Single- and Multiple-Dose Pilot Study. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2023; 2023:9727539. [PMID: 37600550 PMCID: PMC10435304 DOI: 10.1155/2023/9727539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/25/2023] [Accepted: 08/02/2023] [Indexed: 08/22/2023]
Abstract
This study aimed to evaluate the blood concentrations of quercetin in healthy participants after the administration of different formulations in single- and multiple-dose phases. Ten healthy adults (males, 5; females, 5; age 37 ± 11 years) participated in a diet-controlled, crossover pilot study. Participants received three different doses (250 mg, 500 mg, or 1000 mg) of quercetin aglycone orally. In the single-dose study, blood concentrations (AUC0-24 and Cmax) of standard quercetin were compared with those of LipoMicel®-a food-grade delivery form of quercetin. In the multiple-dose study, blood concentrations of formulated quercetin were observed over 72 h, after repeated doses of LipoMicel (LM) treatments. The AUC0-24 ranged from 77.3 to 1128.9 ng·h/ml: LM significantly increased blood concentrations of quercetin by 7-fold (LM 500) compared to standard quercetin, when tested at the same dose, over 24 h (p < 0.001); LM administered at a higher dose (LM 1000) achieved 15-fold higher absorption (p < 0.001); LM tested at half a dose of standard quercetin increased concentration by approx. 3-fold (LM 250). Quercetin blood concentrations were attained over 72 h. The major metabolites measured in the blood were methylated, sulfate, and glutathione (GSH) conjugates of quercetin. Significant differences in concentrations between quercetin conjugates (sulfate vs. methyl vs. GSH) were observed (p < 0.001). Data obtained from this study suggest that supplementation with LipoMicel® is a promising strategy to increase the absorption of quercetin and its health-promoting effects in humans. However, due to the low sample size in this pilot study, further research is still warranted to confirm the observations in larger populations. This trial is registered with NCT05611827.
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Affiliation(s)
| | | | - Kyle Roh
- ISURA, Burnaby, BC V3N4S9, Canada
| | | | - Min Du
- ISURA, Burnaby, BC V3N4S9, Canada
| | - Simon Wood
- School of Public Health, Faculty of Health Sciences, Curtin University, Perth, WA 6845, Australia
- InovoBiologic Inc., Calgary, AB Y2N4Y7, Canada
- Food, Nutrition and Health Program, University of British Columbia, Vancouver, BC V6T1Z4, Canada
| | - Mary Hardy
- Association of Integrative and Holistic Medicine, San Diego, California, USA
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Choi SH, Eom JY, Kim HJ, Seo W, Kwun HJ, Kim DK, Kim J, Cho YE. Aloe-derived nanovesicles attenuate inflammation and enhance tight junction proteins for acute colitis treatment. Biomater Sci 2023; 11:5490-5501. [PMID: 37367827 DOI: 10.1039/d3bm00591g] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2023]
Abstract
Inflammatory bowel disease (IBD) is a chronic recurrent inflammatory disease of the digestive tract that causes pain and weight loss and also increases the risk of colon cancer. Inspired by the benefits of plant-derived nanovesicles and aloe, we herein report aloe-derived nanovesicles, including aloe vera-derived nanovesicles (VNVs), aloe arborescens-derived nanovesicles (ANVs), and aloe saponaria-derived nanovesicles (SNVs) and evaluate their therapeutic potential and molecular mechanisms in a dextran sulfate sodium (DSS)-induced acute experimental colitis mouse model. Aloe-derived nanovesicles not only facilitate markedly reduced DSS-induced acute colonic inflammation, but also enable the restoration of tight junction (TJ) and adherent junction (AJ) proteins to prevent gut permeability in DSS-induced acute colonic injury. These therapeutic effects are ascribed to the anti-inflammatory and anti-oxidant effects of aloe-derived nanovesicles. Therefore, aloe-derived nanovesicles are a safe treatment option for IBD.
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Affiliation(s)
- Sang-Hun Choi
- Division of Biological Science and Technology, Yonsei University, Wonju 26493, Republic of Korea.
| | - Jung-Young Eom
- Korea Zoonosis Research Institute, Jeonbuk National University, Iksan 54531, Republic of Korea
| | - Hyun-Jin Kim
- Department of Food and Nutrition, Andong National University, Andong 36729, Republic of Korea.
| | - Wonhyo Seo
- College of Pharmacy, Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Hyo-Jung Kwun
- Department of Veterinary Pathology, College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Do-Kyun Kim
- Korea Zoonosis Research Institute, Jeonbuk National University, Iksan 54531, Republic of Korea
| | - Jihoon Kim
- Division of Biological Science and Technology, Yonsei University, Wonju 26493, Republic of Korea.
| | - Young-Eun Cho
- Department of Food and Nutrition, Andong National University, Andong 36729, Republic of Korea.
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10
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Lonicera caerulea polyphenols inhibit fat absorption by regulating Nrf2-ARE pathway mediated epithelial barrier dysfunction and special microbiota. FOOD SCIENCE AND HUMAN WELLNESS 2023. [DOI: 10.1016/j.fshw.2022.10.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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11
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Li L, Peng P, Ding N, Jia W, Huang C, Tang Y. Oxidative Stress, Inflammation, Gut Dysbiosis: What Can Polyphenols Do in Inflammatory Bowel Disease? Antioxidants (Basel) 2023; 12:antiox12040967. [PMID: 37107341 PMCID: PMC10135842 DOI: 10.3390/antiox12040967] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 04/12/2023] [Accepted: 04/18/2023] [Indexed: 04/29/2023] Open
Abstract
Inflammatory bowel disease (IBD) is a long-term, progressive, and recurrent intestinal inflammatory disorder. The pathogenic mechanisms of IBD are multifaceted and associated with oxidative stress, unbalanced gut microbiota, and aberrant immune response. Indeed, oxidative stress can affect the progression and development of IBD by regulating the homeostasis of the gut microbiota and immune response. Therefore, redox-targeted therapy is a promising treatment option for IBD. Recent evidence has verified that Chinese herbal medicine (CHM)-derived polyphenols, natural antioxidants, are able to maintain redox equilibrium in the intestinal tract to prevent abnormal gut microbiota and radical inflammatory responses. Here, we provide a comprehensive perspective for implementing natural antioxidants as potential IBD candidate medications. In addition, we demonstrate novel technologies and stratagems for promoting the antioxidative properties of CHM-derived polyphenols, including novel delivery systems, chemical modifications, and combination strategies.
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Affiliation(s)
- Lei Li
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Peilan Peng
- West China School of Basic Medical Sciences and Forensic Medicine, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital and Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Ning Ding
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Wenhui Jia
- West China School of Basic Medical Sciences and Forensic Medicine, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital and Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Canhua Huang
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
- West China School of Basic Medical Sciences and Forensic Medicine, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital and Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Yong Tang
- School of Health and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
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12
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Raj V, Venkataraman B, Ojha SK, Almarzooqi S, Subramanian VS, Al-Ramadi BK, Adrian TE, Subramanya SB. Cis-Nerolidol Inhibits MAP Kinase and NF-κB Signaling Pathways and Prevents Epithelial Tight Junction Dysfunction in Colon Inflammation: In Vivo and In Vitro Studies. Molecules 2023; 28:molecules28072982. [PMID: 37049744 PMCID: PMC10096091 DOI: 10.3390/molecules28072982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/23/2023] [Accepted: 03/23/2023] [Indexed: 03/29/2023] Open
Abstract
Inflammation of the GI tract leads to compromised epithelial barrier integrity, which increases intestine permeability. A compromised intestinal barrier is a critical event that leads to microbe entry and promotes inflammatory responses. Inflammatory bowel diseases that comprise Crohn’s disease (CD) and ulcerative colitis (UC) show an increase in intestinal permeability. Nerolidol (NED), a naturally occurring sesquiterpene alcohol, has potent anti-inflammatory properties in preclinical models of colon inflammation. In this study, we investigated the effect of NED on MAPKs, NF-κB signaling pathways, and intestine epithelial tight junction physiology using in vivo and in vitro models. The effect of NED on proinflammatory cytokine release and MAPK and NF-κB signaling pathways were evaluated using lipopolysaccharides (LPS)-stimulated RAW 264.7 macrophages. Subsequently, the role of NED on MAPKs, NF-κB signaling, and the intestine tight junction integrity were assessed using DSS-induced colitis and LPS-stimulated Caco-2 cell culture models. Our result indicates that NED pre-treatment significantly inhibited proinflammatory cytokine release, expression of proteins involved in MAP kinase, and NF-κB signaling pathways in LPS-stimulated RAW macrophages and DSS-induced colitis. Furthermore, NED treatment significantly decreased FITC-dextran permeability in DSS-induced colitis. NED treatment enhanced tight junction protein expression (claudin-1, 3, 7, and occludin). Time-dependent increases in transepithelial electrical resistance (TEER) measurements reflect the formation of healthy tight junctions in the Caco-2 monolayer. LPS-stimulated Caco-2 showed a significant decrease in TEER. However, NED pre-treatment significantly prevented the fall in TEER measurements, indicating its protective role. In conclusion, NED significantly decreased MAPK and NF-κB signaling pathways and decreased tight junction permeability by enhancing epithelial tight junction protein expression.
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Affiliation(s)
- Vishnu Raj
- Department of Physiology, College of Medicine and Health Sciences, United Arab Emirates University, Al-Ain P.O. Box 15551, United Arab Emirates
| | - Balaji Venkataraman
- Department of Physiology, College of Medicine and Health Sciences, United Arab Emirates University, Al-Ain P.O. Box 15551, United Arab Emirates
- Zayed Bin Sultan Center for Health Sciences, College of Medicine and Health Sciences, United Arab Emirates University, Al-Ain P.O. Box 15551, United Arab Emirates
| | - Shreesh K. Ojha
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, Al-Ain P.O. Box 15551, United Arab Emirates
| | - Saeeda Almarzooqi
- Department of Pathology, College of Medicine and Health Sciences, United Arab Emirates University, Al-Ain P.O. Box 15551, United Arab Emirates
| | | | - Basel K. Al-Ramadi
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates University, Al-Ain P.O. BOX 15551, United Arab Emirates
| | - Thomas E. Adrian
- Department of Basic Medical Sciences, College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai P.O. Box 505055, United Arab Emirates
| | - Sandeep B. Subramanya
- Department of Physiology, College of Medicine and Health Sciences, United Arab Emirates University, Al-Ain P.O. Box 15551, United Arab Emirates
- Zayed Bin Sultan Center for Health Sciences, College of Medicine and Health Sciences, United Arab Emirates University, Al-Ain P.O. Box 15551, United Arab Emirates
- Correspondence:
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13
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Effect of baicalin supplementation on the growth, health, antioxidant and anti-inflammatory capacity, and immune function of preweaned calves. Anim Feed Sci Technol 2023. [DOI: 10.1016/j.anifeedsci.2023.115598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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14
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Zhou J, Yue J, Yao Y, Hou P, Zhang T, Zhang Q, Yi L, Mi M. Dihydromyricetin Protects Intestinal Barrier Integrity by Promoting IL-22 Expression in ILC3s through the AMPK/SIRT3/STAT3 Signaling Pathway. Nutrients 2023; 15:nu15020355. [PMID: 36678226 PMCID: PMC9861697 DOI: 10.3390/nu15020355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/06/2023] [Accepted: 01/08/2023] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND Previous studies indicate that dihydromyricetin (DHM) could alleviate intestinal inflammation and improve intestinal barrier integrity, yet the underlying mechanism remains obscure. METHODS C57BL/6 male mice were fed with a control diet, high-fat diet (HFD), or HFD + DHM diet for 12 weeks. The intestinal permeability and expression of intestinal tight junction (TJ) protein were detected to evaluate the effects of DHM on intestinal barrier integrity. The interleukin 22 (IL-22) production of group 3 innate lymphoid cells (ILC3s) in small intestine lamina propria was tested to clarify the effects of DHM on ILC3s. In addition, an MNK3 cell line, which expresses the same transcription factors and cytokines as ILC3, was used to investigate the molecular mechanism under DHM-induced IL-22 expression. RESULTS DHM effectively protected HFD-fed mice against intestinal barrier destruction by promoting ILC3 activation and IL-22 secretion, and IL-22 expression increased the expression levels of TJ molecules to protect intestinal barrier integrity. Moreover, DHM increased activation of the AMPK/SIRT3/STAT3 pathway, which in turn promoted IL-22 expression in MNK3 cells. CONCLUSIONS DHM improved IL-22 production in ILC3 cells to alleviate HFD-induced intestinal barrier destruction via the AMPK/SIRT3/STAT3 pathway.
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Affiliation(s)
| | | | | | | | | | | | - Long Yi
- Correspondence: (L.Y.); or mantian (M.M.); Tel./Fax: +86-2368771549 (M.M.)
| | - Mantian Mi
- Correspondence: (L.Y.); or mantian (M.M.); Tel./Fax: +86-2368771549 (M.M.)
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15
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Zhang HX, Li YY, Liu ZJ, Wang JF. Quercetin effectively improves LPS-induced intestinal inflammation, pyroptosis, and disruption of the barrier function through the TLR4/NF-κB/NLRP3 signaling pathway in vivo and in vitro. Food Nutr Res 2022; 66:8948. [PMID: 36793340 PMCID: PMC9899048 DOI: 10.29219/fnr.v66.8948] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 11/16/2022] [Accepted: 11/21/2022] [Indexed: 12/31/2022] Open
Abstract
Background Inflammatory bowel diseases are characterized by the alterations of the mucosa and gastrointestinal physiology, and the core of these alterations is endothelial cells. Quercetin is a flavonoid presents in some traditional Chinese medicine, plants, and fruits. Its protective effects in several gastrointestinal tumors have been demonstrated, but its effects on bacterial enteritis and pyroptosis-related diseases have rarely been studied. Objective This study aimed to evaluate the effect of quercetin on bacterial enteritis and pyroptosis. Design In vitro experiments were performed using rat intestinal microvascular endothelial cells divided into seven groups: control group (no treatment), model group (10 μg/mL lipopolysaccharide (LPS)+1 mM adenosine triphosphate [ATP]), LPS group (10 μg/mL LPS), ATP group (1 mM ATP), and treatment groups (10 μg/mL LPS+1 mM ATP and 5, 10, and 20 μM quercetin). The expression of pyroptosis-associated proteins, inflammatory factors, tight junction proteins, and the percentage of late apoptotic and necrotic cells were measured. In vivo analysis was performed using specific pathogen-free Kunming mice pretreated with quercetin and the water extract of Cacumen Platycladi for 2 weeks followed by 6 mg/kg LPS on day 15. Inflammation in the blood and intestinal pathological changes were evaluated. Results Quercetin used in vitro significantly reduced the expression of Toll-like receptor 4 (TLR4), NOD-like receptor 3 (NLRP3), caspase-1, gasdermin D, interleukin (IL)-1β, IL-18, IL-6, and tumor necrosis factor-α. It also inhibited phosphorylation of nuclear factor-kappa B (NF-κB) p65 and increased cell migration and the expression of zonula occludens 1 and claudins, while reduced the number of late apoptotic cells. The in vivo results showed that Cacumen Platycladi and quercetin significantly reduced inflammation, protected the structure of the colon and cecum, and prevent fecal occult blood induced by LPS. Conclusions These findings suggested the ability of quercetin to reduce inflammation induced by LPS and pyroptosis through TLR4/NF-κB/NLRP3 pathway.
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Affiliation(s)
| | | | - Zhong-Jie Liu
- Zhong-Jie Liu, Department of Veterinary Clinic Medicine, College of Veterinary Medicine, China Agricultural University, Beijing 100193, P. R. China.
| | - Jiu-Feng Wang
- Jiu-Feng Wang, Department of Veterinary Clinic Medicine College of Veterinary Medicine, China Agricultural University, Beijing 100193, P. R. China.
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16
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Speciani MC, Cintolo M, Marino M, Oren M, Fiori F, Gargari G, Riso P, Ciafardini C, Mascaretti F, Parpinel M, Airoldi A, Vangeli M, Leone P, Cantù P, Lagiou P, Del Bo’ C, Vecchi M, Carnevali P, Oreggia B, Guglielmetti S, Bonzi R, Bonato G, Ferraroni M, La Vecchia C, Penagini R, Mutignani M, Rossi M. Flavonoid Intake in Relation to Colorectal Cancer Risk and Blood Bacterial DNA. Nutrients 2022; 14:4516. [PMID: 36364779 PMCID: PMC9653960 DOI: 10.3390/nu14214516] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 10/14/2022] [Accepted: 10/17/2022] [Indexed: 09/29/2023] Open
Abstract
Flavonoids have been inversely associated to colorectal cancer (CRC) and are plausible intermediaries for the relation among gut microbiome, intestinal permeability and CRC. We analyzed the relation of flavonoid intake with CRC and blood bacterial DNA. We conducted a case-control study in Italy involving 100 incident CRC cases and 200 controls. A valid and reproducible food-frequency questionnaire was used to assess dietary habits and to estimate six flavonoid subclass intakes. We applied qPCR and 16S rRNA gene profiling to assess blood bacterial DNA. We used multiple logistic regression to derive odds ratios (ORs) of CRC and Mann-Whitney and chi--square tests to evaluate abundance and prevalence of operational taxonomic units (OTUs) according to flavonoid intakes. Inverse associations with CRC were found for anthocyanidins (OR for the highest versus the lowest tertile = 0.24, 95% confidence interval, CI = 0.11-0.52) and flavanones (OR = 0.18, 95% CI = 0.08-0.42). We found different abundance and prevalence according to anthocyanidin and flavanone intake for OTUs referring to Oligoflexales order, Diplorickettsiaceae family, Staphylococcus, Brevundimonas, Pelomonas and Escherischia-Shigella genera, and Flavobacterium and Legionella species. The study provides evidence to a protective effect of dietary anthocyanidins and flavanones on CRC and suggests an influence of flavonoids on blood bacterial DNA, possibly through intestinal permeability changes.
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Affiliation(s)
- Michela Carola Speciani
- Department of Clinical Sciences and Community Health, Branch of Medical Statistics, Biometry and Epidemiology “G.A. Maccacaro”, Università degli Studi di Milano, 20133 Milan, Italy
| | - Marcello Cintolo
- Digestive and Interventional Endoscopy Unit, Azienda Socio Sanitaria Territoriale (ASST) Grande Ospedale Metropolitano Niguarda, 20162 Milan, Italy
| | - Mirko Marino
- Department of Food, Environmental and Nutritional Sciences (DeFENS), Università Degli Studi di Milano, 20133 Milan, Italy
| | - Maya Oren
- Department of Clinical Sciences and Community Health, Branch of Medical Statistics, Biometry and Epidemiology “G.A. Maccacaro”, Università degli Studi di Milano, 20133 Milan, Italy
| | - Federica Fiori
- Department of Medicine, University of Udine, 33100 Udine, Italy
| | - Giorgio Gargari
- Department of Food, Environmental and Nutritional Sciences (DeFENS), Università Degli Studi di Milano, 20133 Milan, Italy
| | - Patrizia Riso
- Department of Food, Environmental and Nutritional Sciences (DeFENS), Università Degli Studi di Milano, 20133 Milan, Italy
| | - Clorinda Ciafardini
- Gastroenterology and Endoscopy Unit, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Federica Mascaretti
- Gastroenterology and Endoscopy Unit, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Maria Parpinel
- Department of Medicine, University of Udine, 33100 Udine, Italy
| | - Aldo Airoldi
- Hepatology and Gastroenterology Unit, Azienda Socio Sanitaria Territoriale (ASST) Grande Ospedale Metropolitano Niguarda, 20162 Milan, Italy
| | - Marcello Vangeli
- Hepatology and Gastroenterology Unit, Azienda Socio Sanitaria Territoriale (ASST) Grande Ospedale Metropolitano Niguarda, 20162 Milan, Italy
| | - Pierfrancesco Leone
- General Surgery Unit, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Paolo Cantù
- Gastroenterology and Digestive Endoscopy Unit, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Istituto Nazionale Tumori, 20133 Milan, Italy
| | - Pagona Lagiou
- Department of Hygiene, Epidemiology and Medical Statistics, School of Medicine, National and Kapodistrian University of Athens, GR-115 27 Athens, Greece
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA
| | - Cristian Del Bo’
- Department of Food, Environmental and Nutritional Sciences (DeFENS), Università Degli Studi di Milano, 20133 Milan, Italy
| | - Maurizio Vecchi
- Gastroenterology and Endoscopy Unit, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
- Department of Pathophysiology and Transplantation, University of Milan, 20133 Milan, Italy
| | - Pietro Carnevali
- Division of Minimally–Invasive Surgical Oncology, Niguarda Cancer Center, Azienda Socio Sanitaria Territoriale (ASST) Grande Ospedale Metropolitano Niguarda, 20133 Milan, Italy
| | - Barbara Oreggia
- General Surgery Unit, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Simone Guglielmetti
- Department of Food, Environmental and Nutritional Sciences (DeFENS), Università Degli Studi di Milano, 20133 Milan, Italy
| | - Rossella Bonzi
- Department of Clinical Sciences and Community Health, Branch of Medical Statistics, Biometry and Epidemiology “G.A. Maccacaro”, Università degli Studi di Milano, 20133 Milan, Italy
| | - Giulia Bonato
- Digestive and Interventional Endoscopy Unit, Azienda Socio Sanitaria Territoriale (ASST) Grande Ospedale Metropolitano Niguarda, 20162 Milan, Italy
| | - Monica Ferraroni
- Department of Clinical Sciences and Community Health, Branch of Medical Statistics, Biometry and Epidemiology “G.A. Maccacaro”, Università degli Studi di Milano, 20133 Milan, Italy
- Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
| | - Carlo La Vecchia
- Department of Clinical Sciences and Community Health, Branch of Medical Statistics, Biometry and Epidemiology “G.A. Maccacaro”, Università degli Studi di Milano, 20133 Milan, Italy
| | - Roberto Penagini
- Gastroenterology and Endoscopy Unit, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
- Department of Pathophysiology and Transplantation, University of Milan, 20133 Milan, Italy
| | - Massimiliano Mutignani
- Digestive and Interventional Endoscopy Unit, Azienda Socio Sanitaria Territoriale (ASST) Grande Ospedale Metropolitano Niguarda, 20162 Milan, Italy
| | - Marta Rossi
- Department of Clinical Sciences and Community Health, Branch of Medical Statistics, Biometry and Epidemiology “G.A. Maccacaro”, Università degli Studi di Milano, 20133 Milan, Italy
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17
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Wan J, Zhang L, Ruan Z. Dietary Supplementation with Epicatechin Improves Intestinal Barrier Integrity in Mice. Foods 2022; 11:3301. [PMCID: PMC9601572 DOI: 10.3390/foods11203301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Epicatechin (EPI) is a dietary flavonoid that is present in many foods and possesses various bioactivities. We assessed the effects of EPI supplementation on intestinal barrier integrity in mice. Thirty-six mice were assigned to three groups and fed a standard diet or a standard diet supplemented with 50 or 100 mg EPI/kg (n = 12 per group). After 21 days of rearing, blood and intestinal samples were collected from eight randomly selected mice. Supplementation with 50 and 100 mg/kg EPI decreased (p < 0.05) the serum diamine oxidase activity and D-lactic acid concentration and increased (p < 0.05) the duodenal, jejunal, and ileal abundance of tight junction proteins, such as occludin. Moreover, it lowered (p < 0.05) the duodenal, jejunal, and ileal tumor necrosis factor-α contents and enhanced (p < 0.05) the duodenal and jejunal catalase activities and ileal superoxide dismutase activity. Supplementation with a lower dose (50 mg/kg) decreased (p < 0.05) the ileal interleukin-1β content, whereas supplementation with a higher dose (100 mg/kg) increased (p < 0.05) the duodenal and jejunal glutathione peroxidase activities. Furthermore, supplementation with 50 and 100 mg/kg EPI decreased (p < 0.05) cell apoptosis, cleaved cysteinyl aspartate-specific proteinase-3 (caspase-3), and cleaved caspase-9 contents in the duodenum, jejunum, and ileum. In conclusion, EPI could improve intestinal barrier integrity in mice, thereby suppressing intestinal inflammation and oxidative stress and reducing cell apoptosis.
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Affiliation(s)
- Jin Wan
- International Institute of Food Innovation, Nanchang University, Nanchang 330200, China
| | - Li Zhang
- College of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Zheng Ruan
- International Institute of Food Innovation, Nanchang University, Nanchang 330200, China
- College of Food Science and Technology, Nanchang University, Nanchang 330047, China
- Correspondence: ; Tel.: +86-(13)-970954027
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18
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Wu Z, Shen J, Xu Q, Xiang Q, Chen Y, Lv L, Zheng B, Wang Q, Wang S, Li L. Epigallocatechin-3-Gallate Improves Intestinal Gut Microbiota Homeostasis and Ameliorates Clostridioides difficile Infection. Nutrients 2022; 14:nu14183756. [PMID: 36145133 PMCID: PMC9504111 DOI: 10.3390/nu14183756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/04/2022] [Accepted: 09/08/2022] [Indexed: 11/16/2022] Open
Abstract
Clostridioides difficile infection is closely related to the intestinal flora disorders induced by antibiotics, and changes in the intestinal flora may cause the occurrence and development of Clostridioides difficile infection. Epigallocatechin-3-gallate (EGCG) is one of the major bioactive ingredients of green tea and has been suggested to alleviate the growth of C. difficile in vitro. EGCG can ameliorate several diseases, such as obesity, by regulating the gut microbiota. However, whether EGCG can attenuate C. difficile infection by improving the gut microbiota is unknown. After establishing a mouse model of C. difficile infection, mice were administered EGCG (25 or 50 mg/kg/day) or PBS intragastrically for 2 weeks to assess the benefits of EGCG. Colonic pathology, inflammation, the intestinal barrier, gut microbiota composition, metabolomics, and the transcriptome were evaluated in the different groups. Compared with those of the mice in the CDI group, EGCG improved survival rates after infection, improved inflammatory markers, and restored the damage to the intestinal barrier. Furthermore, EGCG could improve the intestinal microbial community caused by C. difficile infection, such as by reducing the relative abundance of Enterococcaceae and Enterobacteriaceae. Moreover, EGCG can increase short-chain fatty acids, improve amino acid metabolism, and downregulate pathways related to intestinal inflammation. EGCG alters the microbiota and alleviates C. difficile infection, which provides new insights into potential therapies.
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Affiliation(s)
- Zhengjie Wu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Centre for Infectious Diseases, Collaborative Innovation Centre for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou 310003, China
| | - Jian Shen
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Centre for Infectious Diseases, Collaborative Innovation Centre for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou 310003, China
| | - Qiaomai Xu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Centre for Infectious Diseases, Collaborative Innovation Centre for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou 310003, China
| | - Qiangqiang Xiang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Centre for Infectious Diseases, Collaborative Innovation Centre for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou 310003, China
| | - Yunbo Chen
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Centre for Infectious Diseases, Collaborative Innovation Centre for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou 310003, China
| | - Longxian Lv
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Centre for Infectious Diseases, Collaborative Innovation Centre for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou 310003, China
| | - Beiwen Zheng
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Centre for Infectious Diseases, Collaborative Innovation Centre for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou 310003, China
| | - Qiangqiang Wang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Centre for Infectious Diseases, Collaborative Innovation Centre for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou 310003, China
| | - Shuting Wang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Centre for Infectious Diseases, Collaborative Innovation Centre for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou 310003, China
| | - Lanjuan Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Centre for Infectious Diseases, Collaborative Innovation Centre for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou 310003, China
- Jinan Microecological Biomedicine Shandong Laboratory, Jinan 250021, China
- Correspondence: ; Tel.: +86-571-8723-6458; Fax: +86-571-8723-6459
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19
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Li J, Zhang Q, Zhuo Y, Fang Z, Che L, Xu S, Feng B, Lin Y, Jiang X, Zhao X, Wu D. Effects of Multi-Strain Probiotics and Perilla frutescens Seed Extract Supplementation Alone or Combined on Growth Performance, Antioxidant Indices, and Intestinal Health of Weaned Piglets. Animals (Basel) 2022; 12:ani12172246. [PMID: 36077966 PMCID: PMC9454523 DOI: 10.3390/ani12172246] [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] [Received: 07/21/2022] [Revised: 08/28/2022] [Accepted: 08/28/2022] [Indexed: 11/20/2022] Open
Abstract
Simple Summary Weaning piglets face stressors from changes in feed and environment, which affects their growth. To resolve this problem, we explored the separate effects of multi-strain probiotics and Perilla frutescens seed extract and their combined effect on weaning piglets. We found multi-strain probiotics or Perilla frutescens seed extract both improved the gain to feed ratio and antioxidant capacity. In addition, multi-strain probiotics improved jejunal villus height and the villus height/crypt depth ratio. Perilla frutescens seed extract improved ileal villus height. The interactive effects were observed in jejunal villus height and the villus height/crypt depth ratio, ileal villus height, and the gene expression of IL-1β and mucin2 in the intestinal mucosa. This study shows that using either multi-strain probiotics or Perilla frutescens seed extract alone is more effective than their combined use in weaning piglets. Abstract This study examined the effects of multi-strain probiotics (BL) and Perilla frutescens seed extract (PSE), alone or in combination, on weaning piglets. In total, 96 weaning piglets were allocated into four treatments: CON group (the basal diet), PSE group (basal diet + 1g/kg PSE), BL group (basal diet + 2 g/kg BL), and BL+PSE group (basal diet +1 g/kg PSE + 2 g/kg BL) according to a 2 × 2 factorial arrangement. The supplementation of BL or PSE improved the gain to feed ratio. Dietary BL reduced diarrhea occurrence and Escherichia coli, but increased Lactobacillus counts in the ileal digesta. Dietary PSE tended to increase Lactobacillus counts in the ileal digesta. Interactive effects were found in terms of ileal villus height, the gene expression of IL-1β, and malondialdehyde in the ileal mucosa. Dietary BL lowered malondialdehyde in the spleen, liver, and jejunal mucosa but increased the total antioxidant capacity (T-AOC) in the liver and ileum mucosa. The supplementation of PSE improved superoxide dismutase in serum and T-AOC in the liver, and reduced MDA in liver, spleen, and jejunum mucosa. Taken together, BL or PSE showed positive effects, improving growth and intestinal morphology and enhancing antioxidant capacity. However, their interaction showed no beneficial effects on the antioxidant indices and the intestinal morphology of weaned piglets.
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Affiliation(s)
- Jian Li
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, 211 Huimin Road, Wenjiang District, Chengdu 611130, China
- Correspondence: (J.L.); (D.W.); Tel.: +86-134-1935-4223 (J.L.); +86-28-8629-0922 (D.W.)
| | - Qianqian Zhang
- Department of Animal Resource and Science, Dankook University, Cheonan 31116, Korea
| | - Yong Zhuo
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, 211 Huimin Road, Wenjiang District, Chengdu 611130, China
| | - Zhengfeng Fang
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, 211 Huimin Road, Wenjiang District, Chengdu 611130, China
| | - Lianqiang Che
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, 211 Huimin Road, Wenjiang District, Chengdu 611130, China
| | - Shengyu Xu
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, 211 Huimin Road, Wenjiang District, Chengdu 611130, China
| | - Bin Feng
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, 211 Huimin Road, Wenjiang District, Chengdu 611130, China
| | - Yan Lin
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, 211 Huimin Road, Wenjiang District, Chengdu 611130, China
| | - Xuemei Jiang
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, 211 Huimin Road, Wenjiang District, Chengdu 611130, China
| | - Xilun Zhao
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, 211 Huimin Road, Wenjiang District, Chengdu 611130, China
| | - De Wu
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, 211 Huimin Road, Wenjiang District, Chengdu 611130, China
- Correspondence: (J.L.); (D.W.); Tel.: +86-134-1935-4223 (J.L.); +86-28-8629-0922 (D.W.)
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The Effect of Genistein on Anastomotic Healing in Intestinal Ischemia/Reperfusion Injury. J Surg Res 2022; 280:389-395. [PMID: 36037616 DOI: 10.1016/j.jss.2022.07.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Revised: 07/22/2022] [Accepted: 07/30/2022] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Genistein is a natural isoflavonoid and has several pharmacological effects, such as antioxidant, antitumor activity, and improvement of glucose metabolism. The safety of intestinal anastomosis after ischemia-reperfusion (I/R) injury is a critical issue for surgeons. This experimental study aimed to investigate the effects of genistein on anastomotic healing after intestinal I/R injury. METHODS A total of 36 male Wistar Albino rats were divided into four groups: control, I/R, genistein, and genistein + I/R. The control group received segmental ileal resection and ileoileal anastomosis. The I/R group received resection + anastomosis after intestinal I/R. The genistein group was administered subcutaneous injection of 1 mg/kg genistein 12 h and 1 h before the procedure and received ileal resection + anastomosis. The genistein + I/R group received I/R + ileal resection + anastomosis after genistein injection. Anastomotic bursting pressure, hydroxyproline, superoxide dismutase, and glutathione peroxidase levels and histopathological wound healing scores of all rats were measured on postoperative day 5. RESULTS The anastomotic bursting pressure was significantly higher in the genistein and genistein + I/R groups (P < 0.001). Genistein increased the hydroxyproline concentration and the superoxide dismutase and glutathione peroxidase levels in the intestinal anastomosis (P < 0.001). In histopathological assessment, the mean wound healing score was significantly higher in the genistein group than in the other groups (P < 0.001). CONCLUSIONS Genistein, with its anti-inflammatory and antioxidant properties, shows protective effects against increased oxidative stress after intestinal I/R injury and contributes positively to intestinal anastomotic healing.
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Ezaouine A, Salam MR, Nouadi B, Anachad O, Messal ME, Chegdani F, Bennis F. In Silico Prediction of the Bioactive Profile and Metabolites of Satureja nepeta in Diseases Related to the Excessive Production of Interleukin-6. Bioinform Biol Insights 2022; 16:11779322221115665. [PMID: 35958296 PMCID: PMC9358202 DOI: 10.1177/11779322221115665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Accepted: 07/02/2022] [Indexed: 12/02/2022] Open
Abstract
Inflammatory bowel diseases are caused by an abnormal reaction of the immune system, which becomes hyperactive because the mechanisms responsible for regulating it get out of control. For an effective immune response, many proinflammatory cytokines are secreted, particularly interleukin-6 (IL-6) keystone cytokine inflammation. Many synthetic and natural compounds targeting IL-6 have been studied. The genus Satureja of the Lamiaceae family is generally known for its many virtues, in particular anti-inflammatory properties. However, the mechanism of action is unclear. This study aims to predict the impact of characterized bioactive molecules of Moroccan Satureja nepeta in the potential control of inflammatory response mediated by IL-6 cytokine. A list of 9 previously characterized natural compounds of S. nepeta was compiled, and a list of 6 potential protein targets involved in intestinal inflammation was made. The 2 lists of natural compound-target proteins were analyzed by the STITCH software (http://stitch.embl.de/) to develop protein-compound and protein-protein interaction networks (PPINs). An ontological enrichment (GO) analysis was performed by the Clue GO plugin to evaluate the PPIN generated by STITCH; finally, the molecular docking to predict the mode underlying the anti-inflammatory effects. STITCH results revealed direct and indirect interactions of S. nepeta chemical compounds with a key protein target IL-6. The array results by ClueGO showed that most compounds involved in the regulation of several biological processes related to IL-6 such as inflammation apoptosis, cell differentiation, and metabolic regulation. The targets directly related to IL-6 have been used for molecular docking. Quercetin, catechin, and gallic acid have a strong affinity with the IL-6 receptor (respectively −7.1; −6.1; −5.3). This study strongly suggests that the bioactive compounds of S. nepeta could constitute a new therapeutic alternative in the treatment of diseases related to IL-6. However, to validate the results obtained in this work, it is necessary to explore the mechanism of action of potential bioactive molecules by experimentation.
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Affiliation(s)
- Adbelkarim Ezaouine
- Immunology and Biodiversity laboratory, Faculty of Sciences Aïn Chock, Hassan II University of Casablanca, Casablanca, Morocco
| | - Mohamed Rida Salam
- Immunology and Biodiversity laboratory, Faculty of Sciences Aïn Chock, Hassan II University of Casablanca, Casablanca, Morocco
| | - Badreddine Nouadi
- Immunology and Biodiversity laboratory, Faculty of Sciences Aïn Chock, Hassan II University of Casablanca, Casablanca, Morocco
| | - Oumaima Anachad
- Immunology and Biodiversity laboratory, Faculty of Sciences Aïn Chock, Hassan II University of Casablanca, Casablanca, Morocco
| | - Mariame El Messal
- Immunology and Biodiversity laboratory, Faculty of Sciences Aïn Chock, Hassan II University of Casablanca, Casablanca, Morocco
| | - Fatima Chegdani
- Immunology and Biodiversity laboratory, Faculty of Sciences Aïn Chock, Hassan II University of Casablanca, Casablanca, Morocco
| | - Faïza Bennis
- Immunology and Biodiversity laboratory, Faculty of Sciences Aïn Chock, Hassan II University of Casablanca, Casablanca, Morocco
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22
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Daza-Leon C, Gomez AP, Álvarez-Mira D, Carvajal-Diaz L, Ramirez-Nieto G, Sanchez A, Vargas JI, Betancourt L. Characterization and Evaluation of Colombian Propolis on the Intestinal Integrity of Broilers. Poult Sci 2022; 101:102159. [PMID: 36279608 PMCID: PMC9597123 DOI: 10.1016/j.psj.2022.102159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 08/20/2022] [Accepted: 08/24/2022] [Indexed: 11/30/2022] Open
Abstract
Nutritional additives such as propolis seek to improve intestinal health as an alternative to the global ban on in-feed antibiotics used as growth promoters (AGP). The objective of this study was to evaluate the effect of propolis supplementation in diet of broilers. Four hundred and fifty straight-run Ross 308 AP broilers were fed with a basal diet (BD) throughout the whole experimental period. Birds were randomly distributed into 5 groups at d 14: negative control without antibiotics nor propolis (AGP-), positive control 500 ppm of Zinc Bacitracin as growth promoter (AGP+), and 3 groups supplemented with 150, 300, and 450 ppm of propolis. Every group included 6 replicates of 15 birds each. Propolis concentration was increased from d 22 to 42, in experimental groups to 300, 600, and 900 ppm of propolis, and 10% of raw soybean was included as a challenge in all groups during the same period. Analysis of productive parameters, intestinal morphometry, and relative quantification of genes associated with epithelial integrity by qPCR were performed at 21 and 42 d. The groups with the greatest weights were those that consumed diets including 150 (21 d) and 900 ppm (42 d) of propolis compared with all treatments. The lowest score of ISI was found at 300 (21 d) and 600 ppm (42 d). A lower degree of injury in digestive system was seen with the inclusion of 300 ppm (21 d) and 900 ppm (42 d). Up-regulation of zonula occludens-1 (ZO-1) was observed in jejunum of broilers supplemented with 150 and 300 ppm at 21 d. Up-regulation of ZO-1 and TGF-β was also evidenced in ileum at all propolis inclusion levels at 42-day-old compared to AGP+ and AGP-. The beneficial effects were evidenced at inclusion levels of 150 ppm in the starter and 900 ppm in the finisher. According to the results, the Colombian propolis inclusion can improve productive performance, physiological parameters, and gene expression associated with intestinal integrity.
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Affiliation(s)
- Camila Daza-Leon
- Facultad de Medicina Veterinaria y de Zootecnia, Universidad Nacional de Colombia, Bogotá, DC, Colombia
| | - Arlen P Gomez
- Facultad de Medicina Veterinaria y de Zootecnia, Universidad Nacional de Colombia, Bogotá, DC, Colombia.
| | - Diana Álvarez-Mira
- Facultad de Medicina Veterinaria y de Zootecnia, Universidad Nacional de Colombia, Bogotá, DC, Colombia
| | - Loren Carvajal-Diaz
- Facultad de Medicina Veterinaria y de Zootecnia, Universidad Nacional de Colombia, Bogotá, DC, Colombia; Compañía Campo Colombia SAS, Bogotá, DC, Colombia
| | - Gloria Ramirez-Nieto
- Facultad de Medicina Veterinaria y de Zootecnia, Universidad Nacional de Colombia, Bogotá, DC, Colombia
| | | | | | - Liliana Betancourt
- Facultad de Medicina Veterinaria y de Zootecnia, Universidad Nacional de Colombia, Bogotá, DC, Colombia
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Biological Activities Underlying the Therapeutic Effect of Quercetin on Inflammatory Bowel Disease. Mediators Inflamm 2022; 2022:5665778. [PMID: 35915741 PMCID: PMC9338876 DOI: 10.1155/2022/5665778] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Accepted: 07/15/2022] [Indexed: 11/18/2022] Open
Abstract
Inflammatory bowel disease (IBD) is a chronic autoimmune disorder stemming from unrestrained immune activation and subsequent destruction of colon tissue. Genetic susceptibility, microbiota remodeling, and environmental cues are involved in IBD pathogenesis. Up to now, there are limited treatment options for IBD, so better therapies for IBD are eagerly needed. The therapeutic effects of naturally occurring compounds have been extensively investigated, among which quercetin becomes an attractive candidate owing to its unique biochemical properties. To facilitate the clinical translation of quercetin, we aimed to get a comprehensive understanding of the cellular and molecular mechanisms underlying the anti-IBD role of quercetin. We summarized that quercetin exerts the anti-IBD effect through consolidating the intestinal mucosal barrier, enhancing the diversity of colonic microbiota, restoring local immune homeostasis, and restraining the oxidative stress response. We also delineated the effect of quercetin on gut microbiome and discussed the potential side effects of quercetin administration. Besides, quercetin could serve as a prodrug, and the bioavailability of quercetin is improved through chemical modifications or the utilization of effective drug delivery systems. Altogether, these lines of evidence hint the feasibility of quercetin as a candidate compound for IBD treatment.
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Khater SI, Lotfy MM, Alandiyjany MN, Alqahtani LS, Zaglool AW, Althobaiti F, Ismail TA, Soliman MM, Saad S, Ibrahim D. Therapeutic Potential of Quercetin Loaded Nanoparticles: Novel Insights in Alleviating Colitis in an Experimental DSS Induced Colitis Model. Biomedicines 2022; 10:biomedicines10071654. [PMID: 35884960 PMCID: PMC9313390 DOI: 10.3390/biomedicines10071654] [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: 06/10/2022] [Revised: 07/04/2022] [Accepted: 07/05/2022] [Indexed: 12/13/2022] Open
Abstract
Oxidative stress is considered the main etiologic factor involved in inflammatory bowel disease (IBD). Integration of nanocarriers for natural therapeutic agents with antioxidant and anti-inflammatory potential is a novel promising candidate for curing IBD. Herein, the colonic antioxidant and anti-inflammatory effects of different concentrations of quercetin nanoparticles (QT-NPs) were evaluated using a dextran sulfate sodium (DSS)-induced colitis model. Following colitis induction, the efficacy and mechanistic actions of QT-NPs were evaluated by assessing lesion severity, molecular aids controlling oxidative stress and inflammatory response, and histopathological and immunohistochemistry examination of colonic tissues. Administration of QT-NPs, especially at higher concentrations, significantly reduced the disease activity index and values of fecal calprotectin marker compared to the colitic group. Colonic oxidant/antioxidant status (ROS, H2O2, MDA, SOD, CAT, GPX and TAC) was restored after treatment with higher concentrations of QT-NPs. Moreover, QT-NPs at levels of 20 mg/kg and, to a lesser extent, 15 mg/kg reduced Nrf2 and HO-1 gene expression, which was in line with decreasing the expression of iNOS and COX2 in colonic tissues. Higher concentrations of QT-NPs greatly downregulated pro-inflammatory cytokines; upregulated genes encoding occludin, MUC-2 and JAM; and restored the healthy architectures of colonic tissues. Taken together, these data suggest that QT-NPs could be a promising alternative to current IBD treatments.
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Affiliation(s)
- Safaa I. Khater
- Department of Biochemistry, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44511, Egypt; (S.I.K.); (S.S.)
| | - Marwa M. Lotfy
- Faculty of Pharmacy, Zagazig University, Zagazig 44511, Egypt;
| | - Maher N. Alandiyjany
- Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Makkah 21955, Saudi Arabia;
- Quality and Development Affair, Batterjee Medical College, Jeddah 21442, Saudi Arabia
| | - Leena S. Alqahtani
- Department of Biochemistry, College of Science, University of Jeddah, Jeddah 80203, Saudi Arabia;
| | - Asmaa W. Zaglool
- Department of Animal Wealth Development, Genetic and Genetic Engineering, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44511, Egypt;
| | - Fayez Althobaiti
- Department of Biotechnology, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia;
| | - Tamer Ahmed Ismail
- Department of Clinical Laboratory Sciences, Turabah University College, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; (T.A.I.); (M.M.S.)
| | - Mohamed Mohamed Soliman
- Department of Clinical Laboratory Sciences, Turabah University College, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; (T.A.I.); (M.M.S.)
| | - Saydat Saad
- Department of Biochemistry, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44511, Egypt; (S.I.K.); (S.S.)
| | - Doaa Ibrahim
- Department of Nutrition and Clinical Nutrition, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44511, Egypt
- Correspondence:
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Pharmacological Effects of Polyphenol Phytochemicals on the Intestinal Inflammation via Targeting TLR4/NF-κB Signaling Pathway. Int J Mol Sci 2022; 23:ijms23136939. [PMID: 35805952 PMCID: PMC9266441 DOI: 10.3390/ijms23136939] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 06/20/2022] [Accepted: 06/21/2022] [Indexed: 02/05/2023] Open
Abstract
TLR4/NF-κB is a key inflammatory signaling transduction pathway, closely involved in cell differentiation, proliferation, apoptosis, and pro-inflammatory response. Toll like receptor 4 (TLR4), the first mammalian TLR to be characterized, is the innate immune receptor that plays a key role in inflammatory signal transductions. Nuclear factor kappa B (NF-κB), the TLR4 downstream, is the key to accounting for the expression of multiple genes involved in inflammatory responses, such as pro-inflammatory cytokines. Inflammatory bowel disease (IBD) in humans is a chronic inflammatory disease with high incidence and prevalence worldwide. Targeting the TLR4/NF-κB signaling pathway might be an effective strategy to alleviate intestinal inflammation. Polyphenol phytochemicals have shown noticeable alleviative effects by acting on the TLR4/NF-κB signaling pathway in intestinal inflammation. This review summarizes the pharmacological effects of more than 20 kinds of polyphenols on intestinal inflammation via targeting the TLR4/NF-κB signaling pathway. We expected that polyphenol phytochemicals targeting the TLR4/NF-κB signaling pathway might be an effective approach to treat IBD in future clinical research applications.
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26
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Tea phenolics as prebiotics. Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2022.06.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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27
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Miryan M, Soleimani D, Alavinejad P, Abbaspour M, Ostadrahimi A. Effects of propolis supplementation on irritable bowel syndrome with constipation (IBS-C) and mixed (IBS-M) stool pattern: A randomized, double-blind clinical trial. Food Sci Nutr 2022; 10:1899-1907. [PMID: 35702280 PMCID: PMC9179135 DOI: 10.1002/fsn3.2806] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 02/15/2022] [Accepted: 02/18/2022] [Indexed: 12/17/2022] Open
Abstract
Background Recent evidence indicates that propolis can modulate gastrointestinal (GI) function. This trial aims to assess the efficacy of propolis supplementation on the severity of irritable bowel syndrome (IBS) symptoms. Methods This clinical trial was conducted on 56 subjects with IBS diagnosed by Rome IV criteria. Eligible subjects were randomly assigned to receive either 900 mg/day of propolis or matching placebo tablets for 6 weeks. The IBS symptom severity scale (IBS‐SSS) was used to evaluate IBS severity in five clinically applicable items. Results After adjusting anxiety scores, a significant reduction was observed in the overall score of IBS symptoms (−98.27 ± 105.44), the severity of abdominal pain (−24.75 ± 28.66), and the frequency of abdominal pain (−2.24 ± 3.51) with propolis treatment as compared to placebo (p‐value < .05). Patients in the propolis group were 6.22 times more likely to experience improvement in IBS symptoms than those in the placebo group (95% CI: 1.14–33.9; p‐value: .035). There was no significant change in anthropometric measurements and dietary intakes in both groups (p‐value > .05). Conclusions Our results showed that propolis supplementation might have a beneficial effect on constipation subtype of IBS (IBS‐C) and mixed subtype of IBS (IBS‐M) severity by reducing the severity and frequency of abdominal pain in patients with irritable bowel syndrome (IBS).
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Affiliation(s)
- Mahsa Miryan
- Student Research Committee Tabriz University of Medical Sciences Tabriz Iran.,Nutrition Research Center Department of Clinical Nutrition School of Nutrition and Food Sciences Tabriz University of Medical Sciences Tabriz Iran.,Nutritional Sciences Department School of Nutritional Sciences and Food Technology Kermanshah University of Medical Sciences Kermanshah Iran
| | - Davood Soleimani
- Research Center of Oils and Fats Kermanshah University of Medical Sciences Kermanshah Iran.,Nutritional Sciences Department School of Nutritional Sciences and Food Technology Kermanshah University of Medical Sciences Kermanshah Iran
| | - Pejman Alavinejad
- Hepatology Department School of Medicine Jundishapur University of Medical Sciences Ahvaz Iran
| | - Mohammadreza Abbaspour
- Targeted Drug Delivery Research Center Pharmaceutical Technology Institute Mashhad University of Medical Sciences Mashhad Iran
| | - Alireza Ostadrahimi
- Nutrition Research Center Department of Clinical Nutrition School of Nutrition and Food Sciences Tabriz University of Medical Sciences Tabriz Iran
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28
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Kang J, Zhou Y, Zhu C, Ren T, Zhang Y, Xiao L, Fang B. Ginsenoside Rg1 Mitigates Porcine Intestinal Tight Junction Disruptions Induced by LPS through the p38 MAPK/NLRP3 Inflammasome Pathway. TOXICS 2022; 10:toxics10060285. [PMID: 35736894 PMCID: PMC9228030 DOI: 10.3390/toxics10060285] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 05/24/2022] [Accepted: 05/26/2022] [Indexed: 12/24/2022]
Abstract
Inflammation leads to porcine tight junction disruption of small intestinal epithelial cells, resulting in intestinal dysfunction. Herein, we established lipopolysaccharide (LPS)-induced in-vivo and in-vitro inflammatory models. The results revealed that LPS induced tight junction disruption in IPEC-J2 cells by downregulating tight-junction-related protein zonula occludens-1 (ZO-1), occludin and claudin-1 expression, while ginsenoside Rg1 rescued such inhibition and abrogated the upregulated expression of phosphorylation p38 MAPK. The p38 MAPK inhibitor (SB203580) showed a similar effect with Rg1 and attenuated the LPS-induced inhibition of ZO-1, occludin and claudin-1 expression, which is consistent with the reduced expression of NLRP3 inflammasome and IL-1β. Furthermore, the specific inhibitors of NLRP3 and IL-1β result in increased expression of tight-junction-related protein, demonstrating that p38 MAPK signaling was associated with Rg1 suppression of tight junction disruption. Besides, LPS treatment decreased the expression of ZO-1, occludin and claudin-1 through p38 MAPK signaling, and caused abnormal morphological changes in murine ileum. Meanwhile, Rg1 attenuated the decreased expression of ZO-1, occludin and claudin-1 and partially alleviated LPS-induced morphological changes in murine ileum. In summary, these findings characterized a novel mechanism by which Rg1 alleviates LPS-induced intestinal tight junction disruption by inhibiting the p38 MAPK-mediated NLRP3 inflammasome pathway.
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Affiliation(s)
- Jian Kang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510630, China; (J.K.); (Y.Z.); (C.Z.); (T.R.)
| | - Yanhong Zhou
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510630, China; (J.K.); (Y.Z.); (C.Z.); (T.R.)
| | - Chunyang Zhu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510630, China; (J.K.); (Y.Z.); (C.Z.); (T.R.)
| | - Tian Ren
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510630, China; (J.K.); (Y.Z.); (C.Z.); (T.R.)
| | - Yong Zhang
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, China;
| | - Longfei Xiao
- Animal Science and Technology College, Beijing University of Agriculture, Beijing 100096, China
- Correspondence: (L.X.); (B.F.)
| | - Binghu Fang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510630, China; (J.K.); (Y.Z.); (C.Z.); (T.R.)
- Correspondence: (L.X.); (B.F.)
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29
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Li J, You Y, Zhang P, Huang X, Dong L, Yang F, Yu X, Chang D. Qiangjing tablets repair of blood-testis barrier dysfunction in rats via regulating oxidative stress and p38 MAPK pathway. BMC Complement Med Ther 2022; 22:133. [PMID: 35568844 PMCID: PMC9107122 DOI: 10.1186/s12906-022-03615-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Accepted: 05/04/2022] [Indexed: 11/24/2022] Open
Abstract
Background The blood-testis barrier (BTB) is a physical barrier of the testis to prevent various exogenous substrates from entering apical compartments and provides immune privilege for spermatogenesis, which is essential for normal spermatogenic function of testis. It has been shown that oxidative stress can damage BTB by activating the p38 MAPK pathway. In Traditional Chinese Medicine, Qiangjing tablets (QJT) improve spermatogenesis and increase pregnancy rates. Previous studies have confirmed that QJT can improve sperm quality and have obvious antioxidant effects. In this study, we explore whether QJT contributes to recovery from BTB dysfunction in rats. Methods BTB dysfunction was induced in rats by 1% Cyclophosphamide (CP). The CP-induced rats in the treatment group were given a dose of QJT (0.45 g/kg·d) by gavage. Testis tissues were collected for histopathological and biochemical analysis, and the testis weight was estimated. Levels of BTB-related proteins and antioxidant enzyme were analyzed in the testis tissues. Results QJT resolved the pathological injury of rats testis induced by CP. Furthermore, MDA levels were significantly reduced, and the levels of SOD markedly increased in the testicular tissue after QJT treatment. In addition, QJT down-regulated the expression of p38 protein in rat testis and up-regulated the expressions of key proteins ZO-1, occludin and F-actin in BTB. Conclusion These results demonstrate that QJT exerts protective effects on CP-induced rats with BTB dysfunction, likely by regulating the oxidative stress-mediated p38 MAPK pathway. Supplementary Information The online version contains supplementary material available at 10.1186/s12906-022-03615-z.
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Affiliation(s)
- Junjun Li
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, The People's Republic of China.,The Reproductive & Women-Children Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, 610041, The People's Republic of China
| | - Yaodong You
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, The People's Republic of China
| | - Peihai Zhang
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, The People's Republic of China
| | - Xiaopeng Huang
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, The People's Republic of China
| | - Liang Dong
- The Reproductive & Women-Children Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, 610041, The People's Republic of China
| | - Fang Yang
- The Reproductive & Women-Children Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, 610041, The People's Republic of China
| | - Xujun Yu
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, The People's Republic of China. .,School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, The People's Republic of China.
| | - Degui Chang
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, The People's Republic of China.
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Kim HJ, Eom JY, Choi SH, Seo HJ, Kwun IS, Chun IJ, Sung J, Lim JH, Kim J, Song BJ, Lee CH, Kim DK, Baek MC, Cho YE. Plum Prevents Intestinal and Hepatic Inflammation in the Acute and Chronic Models of Dextran Sulfate Sodium-Induced Mouse Colitis. Mol Nutr Food Res 2022; 66:e2101049. [PMID: 35476900 DOI: 10.1002/mnfr.202101049] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 02/26/2022] [Indexed: 12/14/2022]
Abstract
SCOPE Inflammatory bowel disease (IBD), including ulcerative colitis (UC), is a chronic recurrent inflammatory disease of the digestive tract and increases the risk of colon cancer. METHOD AND RESULTS This study evaluates the effects of dietary intervention with freeze-dried plum (FDP), a natural antioxidant and anti-inflammatory fruit with no toxicity on dextran sulfate sodium (DSS)-induced acute and chronic experimental colitis in a mouse model and studies the molecular mechanisms of protection through the gut-liver axis. The results show that FDP decreases the levels of inflammatory mediators, which is a nitrative stress biomarker in both acute and chronic models. FDP markedly reduces DSS-induced injury to the colonic epithelium in both acute and chronic models. In addition, FDP significantly decreases the levels of pro-oxidant markers such as CYP2E1, iNOS, and nitrated proteins (detected by anti-3-NT antibody) in DSS-induced acute and chronic colonic injury models. Furthermore, FDP markedly reduces markers of liver injury such as serum ALT/AST, antioxidant markers, and inflammatory mediators in DSS-induced acute and chronic colonic injury. CONCLUSION These results demonstrate that the FDP exhibits a protective effect on DSS-induced acute and chronic colonic and liver injury through the gut-liver axis via antioxidant and anti-inflammatory properties.
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Affiliation(s)
- Hyun-Jin Kim
- Department of Food and Nutrition, Andong National University, Andong 760-749, South Korea
| | - Jung-Young Eom
- Department of Food and Nutrition, Andong National University, Andong 760-749, South Korea
| | - Sang-Hun Choi
- Department of Food and Nutrition, Andong National University, Andong 760-749, South Korea
| | - Hyun-Ju Seo
- Department of Food and Nutrition, Andong National University, Andong 760-749, South Korea
| | - In-Sook Kwun
- Department of Food and Nutrition, Andong National University, Andong 760-749, South Korea
| | - Ik-Jo Chun
- Department of Horticulture and Breeding, Andong National University, Andong 760-749, South Korea
| | - Jeehye Sung
- Department of Food Science and Biotechnology, Andong National University, Andong, South Korea
| | - Jae-Hwan Lim
- Department of Biological Science, Andong National University, Andong 760-749, South Korea
| | - Jihoon Kim
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Byoung-Joon Song
- Section of Molecular Pharmacology and Toxicology, Laboratory of Membrane Biochemistry and Bio-physics, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health-NIH, Bethesda, MD, 20892, USA
| | - Chan-Hyeong Lee
- Department of Molecular Medicine, CMRI, School of Medicine, Kyungpook National University, Daegu 700-422, South Korea
| | - Do-Kyun Kim
- Korea Zoonosis Research Institute, Jeonbuk National University, Iksan, 54531, South Korea
| | - Moon-Chang Baek
- Department of Molecular Medicine, CMRI, School of Medicine, Kyungpook National University, Daegu 700-422, South Korea
| | - Young-Eun Cho
- Department of Food and Nutrition, Andong National University, Andong 760-749, South Korea
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Amevor FK, Cui Z, Du X, Ning Z, Deng X, Xu D, Shu G, Wu Y, Cao X, Shuo W, Tian Y, Li D, Wang Y, Zhang Y, Du X, Zhu Q, Han X, Zhao X. Supplementation of Dietary Quercetin and Vitamin E Promotes the Intestinal Structure and Immune Barrier Integrity in Aged Breeder Hens. Front Immunol 2022; 13:860889. [PMID: 35386687 PMCID: PMC8977514 DOI: 10.3389/fimmu.2022.860889] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Accepted: 02/21/2022] [Indexed: 12/14/2022] Open
Abstract
In aged animals, the physiological functions of the gastrointestinal tract (GIT) are reduced. Dietary intervention is necessary to re-activate GIT functions. The objective of this study was to investigate the impacts of dietary combination of quercetin (Q) and vitamin E (VE) on the intestinal structure and barrier integrity in aged breeder chickens. A sum of 400 (65-wks-old) Tianfu breeder hens were randomly allotted into four (4) groups with four (4) replicates, and fed with basal diet; basal diet supplemented with 0.4g/kg of Q; basal diet supplemented with 0.2g/kg of VE; and basal diet supplemented with the combination of Q (0.4 g/kg) and VE (0.2 g/kg) for 14 weeks. At the end of the 14th week, serum and gut segments were collected from eight hens per group for analyses. The results showed that Q+VE exerted synergistic effects on intestinal morphology by promoting villi height and crypt depth (P < 0.05), as well as mitigated the intestinal inflammatory damage of the aged hens, but decreased the concentration of serum D-lactate and diamine oxidase; and increased the levels of secretory immunoglobulin A (sIgA) and Mucin-2 mRNA (P < 0.05). Furthermore, the mRNA expression of intestinal tight junction proteins including occludin, ZO1, and claudin-1 was increased by Q+VE (P < 0.05). Moreover, Q+VE decreased the mRNA expression of the pro-inflammatory genes (TNF-α, IL-6, and IL-1β), and increased the expression of anti-inflammatory genes (IL-10 and IL-4) (P < 0.05). These results were consistent with the mRNA expression of Bax and Bcl-2. In addition, Q+VE protected the small intestinal tract from oxidative damage by increasing the levels of superoxide dismutase, total antioxidant capacity, glutathione peroxidase, catalase (P < 0.05), and the mRNA expression of SOD1 and GPx-2. However, Q+VE decreased malondialdehyde levels in the intestine compared to the control (P < 0.05). These results indicated that dietary Q+VE improved intestinal function in aged breeder hens, by protecting the intestinal structure and integrity. Therefore, Q+VE could act as an anti-aging agent to elevate the physiological functions of the small intestine in chickens.
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Affiliation(s)
- Felix Kwame Amevor
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Zhifu Cui
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Xiaxia Du
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Zifan Ning
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Xun Deng
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Dan Xu
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Gang Shu
- Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Youhao Wu
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Xueqing Cao
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Wei Shuo
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Yaofu Tian
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Diyan Li
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Yan Wang
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Yao Zhang
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Xiaohui Du
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Qing Zhu
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
| | - Xue Han
- Guizhou Institute of Animal Husbandry and Veterinary Medicine, Guiyang, China
| | - Xiaoling Zhao
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, China
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Brandimarte G, Frajese GV, Bargiggia S, Castellani D, Cocco A, Colucci R, Evangelista E, Gravina AG, Napoletano D, Nardi E, Maisto T, Morabito A, Pianese G, Romano A, Sacco R, Sediar I L, Sinnona N, Tifi L, Davino A, Elisei W, Tursi A. Performance of a multi-compounds nutraceutical formulation in patients with symptomatic uncomplicated diverticular disease. Minerva Gastroenterol (Torino) 2022; 68:216-222. [PMID: 35262307 DOI: 10.23736/s2724-5985.22.03132-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Symptomatic uncomplicated diverticular disease (SUDD) is a recognized clinical condition characterized by abdominal pain and changes in bowel habits, attributed to diverticula but without macroscopic signs of diverticulitis. There is no consensus about the management of these patients. Enteroflegin®, an association of natural active ingredients, could be effective in the treatment of those patients. METHODS We conducted a retrospective observational study to evaluate the performances of Enteroflegin® in patients with SUDD. Patients were treated with Enteroflegin® 2 cp/day for 10 days per month for 6 months. Primary endpoint was the clinical remission rate, defined as the absence of any symptoms; secondary endpoints were the impact of the treatment on reduction of symptoms, on fecal calprotectin (FC) expression, and the prevention of acute diverticulitis. RESULTS Three hundred and fifty patients were retrospectively enrolled (183 males, median age 64 yrs, IQR 54-70). Enteroflegin® was effective in inducing remission in 9.34% and 17.64% of patients at 3 and 6 months respectively (p<0.001). Reduction of symptoms occurred in 92.3% and in 85.3% of patients at 3 and 6 months respectively (p<0.001), and symptoms' recurrence or worsening was recorded in only 1.71% of patients during the follow-up. FC expression dropped from 181,3 μg/g at baseline to 100,2 μg/g (p<0.001) and to 67,9 μg/g (p<0.001) at 3 and 6 months of follow-up respectively. No adverse event was recorded during the follow-up. Finally, acute diverticulitis occurred in just 2% of patients during the follow-up. CONCLUSIONS Enteroflegin® seems to be an effective nutraceutical compound in obtaining remission and symptom relief in SUDD patients. Further randomized, placebo-controlled clinical trials are needed to confirm these preliminary data.
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Affiliation(s)
- Giovanni Brandimarte
- Division of Internal Medicine and Gastroenterology, Cristo Re Hospital, Rome, Italy
| | - Giovanni V Frajese
- Section of Human Health, Department of Human Health and Exercise Sciences, Foro Italico University, Rome, Italy
| | - Stefano Bargiggia
- Division of Gastroenterology and Digestive Endoscopy, San Carlo Nursing Home, Paderno Dugnano, Milan, Italy
| | - Danilo Castellani
- Gastroenterology and Hepatology Unit, Department of Medicine and Surgery, Santa Maria della Misericordia University Hospital, University of Perugia, Perugia, Italy
| | - Andrea Cocco
- Division of Gastroenterology, S. Pertini Hospital, Rome, Italy
| | - Raffaele Colucci
- Digestive Endoscopy Unit, San Matteo degli Infermi Hospital, Spoleto, Perugia, Italy
| | | | | | - Domenico Napoletano
- Service of Digestive Endoscopy, Pineta Grande Hospital, Castel Volturno, Caserta, Italy
| | - Elisabetta Nardi
- Gastroenterology and Hepatology Unit, Department of Medicine and Surgery, Santa Maria della Misericordia University Hospital, University of Perugia, Perugia, Italy
| | - Tammaro Maisto
- Gastroenterology and Digestive Endoscopy Unit, San Giovanni di Dio Hospital, Frattamaggiore, Naples, Italy
| | - Antonino Morabito
- Service of Digestive Endoscopy, Villa dei Gerani Nursing Home, Vibo Valentia, Italy
| | - Giuseppe Pianese
- Digestive Endoscopy Unit, Santa Maria Goretti Hospital, Latina, Italy
| | | | - Rodolfo Sacco
- Division of Gastroenterology, Ospedali Riuniti Hospital, Foggia, Italy
| | - Luca Sediar I
- Gastroenterology and Hepatology Unit, Department of Medicine and Surgery, Santa Maria della Misericordia University Hospital, University of Perugia, Perugia, Italy
| | - Nicola Sinnona
- Service of Digestive Endoscopy, San Marco Nursing Home, Latina, Italy
| | - Lorenza Tifi
- Division of Gastroenterology and Digestive Endoscopy, Città di Castello Hospital, Città di Castello, Perugia, Italy
| | - Alessandro Davino
- Division of Internal Medicine and Gastroenterology, Cristo Re Hospital, Rome, Italy
| | - Walter Elisei
- Division of Gastroenterology, S. Camillo Hospital, Rome, Italy
| | - Antonio Tursi
- Territorial Gastroenterology Service, ASL BAT, Andria, Italy - .,Department of Medical and Surgical Sciences, Catholic University, Rome, Italy
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Han MN, Finkelstein DI, McQuade RM, Diwakarla S. Gastrointestinal Dysfunction in Parkinson’s Disease: Current and Potential Therapeutics. J Pers Med 2022; 12:jpm12020144. [PMID: 35207632 PMCID: PMC8875119 DOI: 10.3390/jpm12020144] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 01/17/2022] [Accepted: 01/18/2022] [Indexed: 02/04/2023] Open
Abstract
Abnormalities in the gastrointestinal (GI) tract of Parkinson’s disease (PD) sufferers were first reported over 200 years ago; however, the extent and role of GI dysfunction in PD disease progression is still unknown. GI dysfunctions, including dysphagia, gastroparesis, and constipation, are amongst the most prevalent non-motor symptoms in PD. These symptoms not only impact patient quality of life, but also complicate disease management. Conventional treatment pathways for GI dysfunctions (i.e., constipation), such as increasing fibre and fluid intake, and the use of over-the-counter laxatives, are generally ineffective in PD patients, and approved compounds such as guanylate cyclase C agonists and selective 5-hyroxytryptamine 4 receptor agonists have demonstrated limited efficacy. Thus, identification of potential targets for novel therapies to alleviate PD-induced GI dysfunctions are essential to improve clinical outcomes and quality of life in people with PD. Unlike the central nervous system (CNS), where PD pathology and the mechanisms involved in CNS damage are relatively well characterised, the effect of PD at the cellular and tissue level in the enteric nervous system (ENS) remains unclear, making it difficult to alleviate or reverse GI symptoms. However, the resurgence of interest in understanding how the GI tract is involved in various disease states, such as PD, has resulted in the identification of novel therapeutic avenues. This review focuses on common PD-related GI symptoms, and summarizes the current treatments available and their limitations. We propose that by targeting the intestinal barrier, ENS, and/or the gut microbiome, may prove successful in alleviating PD-related GI symptoms, and discuss emerging therapies and potential drugs that could be repurposed to target these areas.
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Affiliation(s)
- Myat Noe Han
- Gut-Axis Injury and Repair Laboratory, Department of Medicine Western Health, University of Melbourne, Melbourne, VIC 3021, Australia; (M.N.H.); (S.D.)
- The Florey Institute of Neuroscience and Mental Health, Parkville, VIC 3010, Australia
- Australian Institute of Musculoskeletal Science (AIMSS), Melbourne, VIC 3021, Australia
| | - David I. Finkelstein
- Parkinson’s Disease Laboratory, The Florey Institute of Neuroscience and Mental Health, Parkville, VIC 3010, Australia;
| | - Rachel M. McQuade
- Gut-Axis Injury and Repair Laboratory, Department of Medicine Western Health, University of Melbourne, Melbourne, VIC 3021, Australia; (M.N.H.); (S.D.)
- The Florey Institute of Neuroscience and Mental Health, Parkville, VIC 3010, Australia
- Australian Institute of Musculoskeletal Science (AIMSS), Melbourne, VIC 3021, Australia
- Correspondence: ; Tel.: +61-3-8395-8114
| | - Shanti Diwakarla
- Gut-Axis Injury and Repair Laboratory, Department of Medicine Western Health, University of Melbourne, Melbourne, VIC 3021, Australia; (M.N.H.); (S.D.)
- The Florey Institute of Neuroscience and Mental Health, Parkville, VIC 3010, Australia
- Australian Institute of Musculoskeletal Science (AIMSS), Melbourne, VIC 3021, Australia
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Food Additives, a Key Environmental Factor in the Development of IBD through Gut Dysbiosis. Microorganisms 2022; 10:microorganisms10010167. [PMID: 35056616 PMCID: PMC8780106 DOI: 10.3390/microorganisms10010167] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/04/2022] [Accepted: 01/11/2022] [Indexed: 12/12/2022] Open
Abstract
Diet is a key environmental factor in inflammatory bowel disease (IBD) and, at the same time, represents one of the most promising therapies for IBD. Our daily diet often contains food additives present in numerous processed foods and even in dietary supplements. Recently, researchers and national authorities have been paying much attention to their toxicity and effects on gut microbiota and health. This review aims to gather the latest data focusing on the potential role of food additives in the pathogenesis of IBDs through gut microbiota modulation. Some artificial emulsifiers and sweeteners can induce the dysbiosis associated with an alteration of the intestinal barrier, an activation of chronic inflammation, and abnormal immune response accelerating the onset of IBD. Even if most of these results are retrieved from in vivo and in vitro studies, many artificial food additives can represent a potential hidden driver of gut chronic inflammation through gut microbiota alterations, especially in a population with IBD predisposition. In this context, pending the confirmation of these results by large human studies, it would be advisable that IBD patients avoid the consumption of processed food containing artificial food additives and follow a personalized nutritional therapy prescribed by a clinical nutritionist.
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Gomes TL, de Oliveira-Marques V, Hampson RJ, Jacinto A, de Moraes LV, Martinho RG. theLiTE™: A Screening Platform to Identify Compounds that Reinforce Tight Junctions. Front Pharmacol 2022; 12:752787. [PMID: 35069190 PMCID: PMC8771259 DOI: 10.3389/fphar.2021.752787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 11/24/2021] [Indexed: 11/13/2022] Open
Abstract
Tight junctions (TJ) are formed by transmembrane and intracellular proteins that seal the intercellular space and control selective permeability of epithelia. Integrity of the epithelial barrier is central to tissue homeostasis and barrier dysfunction has been linked to many pathological conditions. TJ support the maintenance of cell polarity through interactions with the Par complex (Cdc42-Par-6-Par-3-aPKC) in which Par-6 is an adaptor and links the proteins of the complex together. Studies have shown that Par-6 overexpression delays the assembly of TJ proteins suggesting that Par-6 negatively regulates TJ assembly. Because restoring barrier integrity is of key therapeutic and prophylactic value, we focus on finding compounds that have epithelial barrier reinforcement properties; we developed a screening platform (theLiTE™) to identify compounds that modulate Par-6 expression in follicular epithelial cells from Par-6-GFP Drosophila melanogaster egg chambers. Hits identified were then tested whether they improve epithelial barrier function, using measurements of transepithelial electrical resistance (TEER) or dye efflux to evaluate paracellular permeability. We tested 2,400 compounds, found in total 10 hits. Here we present data on six of them: the first four hits allowed us to sequentially build confidence in theLiTE™ and two compounds that were shortlisted for further development (myricetin and quercetin). We selected quercetin due to its clinical and scientific validation as a compound that regulates TJ; food supplement formulated on the basis of this discovery is currently undergoing clinical evaluation in gastroesophageal reflux disease (GERD) sufferers.
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Affiliation(s)
- Teresa Lopes Gomes
- Thelial Technologies SA, Parque Tecnológico de Cantanhede, Cantanhede, Portugal
| | | | - Richard John Hampson
- Thelial Technologies SA, Parque Tecnológico de Cantanhede, Cantanhede, Portugal
- Thelial BV (Epinutra), Wageningen, Netherlands
| | - António Jacinto
- iNOVA4Health, Chronic Diseases Research Centre - CEDOC, NOVA Medical School, NMS, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Luciana Vieira de Moraes
- Thelial Technologies SA, Parque Tecnológico de Cantanhede, Cantanhede, Portugal
- Thelial BV (Epinutra), Wageningen, Netherlands
| | - Rui Gonçalo Martinho
- Thelial Technologies SA, Parque Tecnológico de Cantanhede, Cantanhede, Portugal
- Departamento de Ciências Biomédicas e Medicina, and Center for Biomedical Research, Universidade do Algarve, Faro, Portugal
- Department of Medical Sciences and Institute for Biomedicine (iBiMED), University of Aveiro, Aveiro, Portugal
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Di Tommaso N, Gasbarrini A, Ponziani FR. Intestinal Barrier in Human Health and Disease. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182312836. [PMID: 34886561 PMCID: PMC8657205 DOI: 10.3390/ijerph182312836] [Citation(s) in RCA: 137] [Impact Index Per Article: 45.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 12/02/2021] [Accepted: 12/03/2021] [Indexed: 02/07/2023]
Abstract
The intestinal mucosa provides a selective permeable barrier for nutrient absorption and protection from external factors. It consists of epithelial cells, immune cells and their secretions. The gut microbiota participates in regulating the integrity and function of the intestinal barrier in a homeostatic balance. Pathogens, xenobiotics and food can disrupt the intestinal barrier, promoting systemic inflammation and tissue damage. Genetic and immune factors predispose individuals to gut barrier dysfunction, and changes in the composition and function of the gut microbiota are central to this process. The progressive identification of these changes has led to the development of the concept of ‘leaky gut syndrome’ and ‘gut dysbiosis’, which underlie the relationship between intestinal barrier impairment, metabolic diseases and autoimmunity. Understanding the mechanisms underlying this process is an intriguing subject of research for the diagnosis and treatment of various intestinal and extraintestinal diseases.
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Affiliation(s)
- Natalia Di Tommaso
- Division of Internal Medicine, Gastroenterology—Hepatology Unit, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (N.D.T.); (A.G.)
| | - Antonio Gasbarrini
- Division of Internal Medicine, Gastroenterology—Hepatology Unit, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (N.D.T.); (A.G.)
- Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Largo F. Vito 1, 00168 Rome, Italy
| | - Francesca Romana Ponziani
- Division of Internal Medicine, Gastroenterology—Hepatology Unit, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Rome, Italy; (N.D.T.); (A.G.)
- Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Largo F. Vito 1, 00168 Rome, Italy
- Correspondence: ; Tel.: +39-3471227242
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Kim MS, Kim YD, Kang S, Kwon O, Shin JH, Kim JY. Cinnamon(Cinnamomum japonicum) subcritical water extract suppresses gut damage induced by dextran sodium sulfate in mouse colitis model. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104775] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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Errachid A, Nohawica M, Wyganowska-Swiatkowska M. A comprehensive review of the influence of Epigallocatechin gallate on Sjögren's syndrome associated molecular regulators of exocytosis (Review). Biomed Rep 2021; 15:95. [PMID: 34631050 PMCID: PMC8493546 DOI: 10.3892/br.2021.1471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Accepted: 06/25/2021] [Indexed: 12/03/2022] Open
Abstract
Sjögren's syndrome (SS) is an autoimmune disorder that affects the salivary glands, leading to reduced secretory functions and oral and ocular dryness. The salivary glands are composed of acinar cells that are responsible for the secretion and production of secretory granules, which contain salivary components, such as amylase, mucins and immunoglobulins. This secretion process involves secretory vesicle trafficking, docking, priming and membrane fusion. A failure during any of the steps in exocytosis in the salivary glands results in the altered secretion of saliva. Soluble N-ethylmaleimide-sensitive-factor attachment protein receptors, actin, tight junctions and aquaporin 5 all serve an important role in the trafficking regulation of secretory vesicles in the secretion of saliva via exocytosis. Alterations in the expression and distribution of these selected proteins leads to salivary gland dysfunction, including SS. Several studies have demonstrated that green tea polyphenols, most notably Epigallocatechin gallate (EGCG), possess both anti-inflammatory and anti-apoptotic properties in normal human cells. Molecular, cellular and animal studies have indicated that EGCG can provide protective effects against autoimmune and inflammatory reactions in salivary glands in diseases such as SS. The aim of the present article is to provide a comprehensive and up-to-date review on the possible therapeutic interactions between EGCG and the selected molecular mechanisms associated with SS.
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Affiliation(s)
- Abdelmounaim Errachid
- Department of Dental Surgery and Periodontology, Poznan University of Medicinal Sciences, 60-812 Poznań, Greater Poland, Poland.,Earth and Life Institute, University Catholique of Louvain, B-1348 Louvain-la-Neuve, Ottignies-Louvain-la-Neuve, Belgium
| | - Michal Nohawica
- Department of Dental Surgery and Periodontology, Poznan University of Medicinal Sciences, 60-812 Poznań, Greater Poland, Poland
| | - Marzena Wyganowska-Swiatkowska
- Department of Dental Surgery and Periodontology, Poznan University of Medicinal Sciences, 60-812 Poznań, Greater Poland, Poland
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Wu Z, Huang S, Li T, Li N, Han D, Zhang B, Xu ZZ, Zhang S, Pang J, Wang S, Zhang G, Zhao J, Wang J. Gut microbiota from green tea polyphenol-dosed mice improves intestinal epithelial homeostasis and ameliorates experimental colitis. MICROBIOME 2021; 9:184. [PMID: 34493333 PMCID: PMC8424887 DOI: 10.1186/s40168-021-01115-9] [Citation(s) in RCA: 265] [Impact Index Per Article: 88.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 06/17/2021] [Indexed: 05/12/2023]
Abstract
BACKGROUND Alteration of the gut microbiota may contribute to the development of inflammatory bowel disease (IBD). Epigallocatechin-3-gallate (EGCG), a major bioactive constituent of green tea, is known to be beneficial in IBD alleviation. However, it is unclear whether the gut microbiota exerts an effect when EGCG attenuates IBD. RESULTS We first explored the effect of oral or rectal EGCG delivery on the DSS-induced murine colitis. Our results revealed that anti-inflammatory effect and colonic barrier integrity were enhanced by oral, but not rectal, EGCG. We observed a distinct EGCG-mediated alteration in the gut microbiome by increasing Akkermansia abundance and butyrate production. Next, we demonstrated that the EGCG pre-supplementation induced similar beneficial outcomes to oral EGCG administration. Prophylactic EGCG attenuated colitis and significantly enriched short-chain fatty acids (SCFAs)-producing bacteria such as Akkermansia and SCFAs production in DSS-induced mice. To validate these discoveries, we performed fecal microbiota transplantation (FMT) and sterile fecal filtrate (SFF) to inoculate DSS-treated mice. Microbiota from EGCG-dosed mice alleviated the colitis over microbiota from control mice and SFF shown by superiorly anti-inflammatory effect and colonic barrier integrity, and also enriched bacteria such as Akkermansia and SCFAs. Collectively, the attenuation of colitis by oral EGCG suggests an intimate involvement of SCFAs-producing bacteria Akkermansia, and SCFAs, which was further demonstrated by prophylaxis and FMT. CONCLUSIONS This study provides the first data indicating that oral EGCG ameliorated the colonic inflammation in a gut microbiota-dependent manner. Our findings provide novel insights into EGCG-mediated remission of IBD and EGCG as a potential modulator for gut microbiota to prevent and treat IBD. Video Abstract.
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Affiliation(s)
- Zhenhua Wu
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193 China
| | - Shimeng Huang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193 China
| | - Tiantian Li
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193 China
| | - Na Li
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193 China
| | - Dandan Han
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193 China
| | - Bing Zhang
- Key Laboratory of Animal Epidemiology of the Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing, 100193 China
| | - Zhenjiang Zech Xu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 214122 China
| | - Shiyi Zhang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193 China
| | - Jiaman Pang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193 China
| | - Shilan Wang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193 China
| | - Guolong Zhang
- Department of Animal and Food Sciences, Oklahoma State University, Stillwater, OK 74078 USA
| | - Jiangchao Zhao
- Department of Animal Science, Division of Agriculture, University of Arkansas, Fayetteville, AR 72701 USA
| | - Junjun Wang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193 China
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Xue F, Wan G, Xiao Y, Chen C, Qu M, Xu L. Growth performances, gastrointestinal epithelium and bacteria responses of Yellow-feathered chickens to kudzu-leaf flavonoids supplement. AMB Express 2021; 11:125. [PMID: 34480270 PMCID: PMC8417201 DOI: 10.1186/s13568-021-01288-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 08/25/2021] [Indexed: 11/10/2022] Open
Abstract
The objective of this study was to investigate the effects of replacing antibiotics with Kudzu-leaf flavonoids (KLF) on the growth performances, gut epithelial development, and gastrointestinal bacteria diversities of Yellow-feathered broilers. For this purpose, total of 216 1-day-old male Yellow-feathered chickens with the similar birth weight (31.0 ± 1.0 g) were randomly divided into 3 treatments: the control treatment (CON), the kudzu-leaf flavonoids supplement treatment (KLF), and the antibiotics supplement treatment (AGP). All birds were provided with a 56 d-feeding procedure, followed by the measurement of production performances, immune organs, blood anti-oxidant parameters, intestine epithelium development, and cecal microbiota. Results showed the feed conversion ratio significantly decreased after KLF supplement compared with CON (P < 0.05). KLF supplement partly promoted the anti-oxidant capacity on account of the increased activity of Superoxide dismutase (SOD) and the decrease content of malondialdehyde (MDA). Further, as referred to the gastrointestinal development and bacteria, ratio of villus/crypt significantly increased of ileum in KLF treatment (P < 0.05) while a significant promition of bacterial diversity and partial representative probiotic bacteria (P < 0.05) after KLF supplementation. Moreover, correlation analysis indicated that probitics including Bifidobacterium, Butyricimonas, Lactobacillus and Streptococcus positively correlated with production performances. In conclusion, KLF supplement may promote feed efficiency and benefit the gastrointestinal health through improving gut bacterial diversity and probiotic bacteria. The KLF might be applied as a proper antibiotic alternative.
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Ganesan K, Quiles JL, Daglia M, Xiao J, Xu B. Dietary phytochemicals modulate intestinal epithelial barrier dysfunction and autoimmune diseases. FOOD FRONTIERS 2021. [DOI: 10.1002/fft2.102] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Affiliation(s)
- Kumar Ganesan
- Food Science and Technology Program BNU–HKBU United International College Zhuhai China
- The School of Chinese Medicine The University of Hong Kong Hong Kong China
| | - José L. Quiles
- Institute of Nutrition and Food Technology “José Mataix Verdú,” Department of Physiology Biomedical Research Center University of Granada Granada Spain
| | - Maria Daglia
- Department of Pharmacy University of Naples Federico II Naples Italy
- International Research Center for Food Nutrition and Safety Jiangsu University Zhenjiang China
| | - Jianbo Xiao
- Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology University of Vigo Vigo Pontevedra E‐36310 Spain
| | - Baojun Xu
- Food Science and Technology Program BNU–HKBU United International College Zhuhai China
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Liu Y, Li X, Zhang Z, Zhang J, Xu J, Qiu Y, Ye C, Fu S, Wu Z, Hu CAA. Baicalin Protects Vascular Tight Junctions in Piglets During Glaesserella parasuis Infection. Front Vet Sci 2021; 8:671936. [PMID: 34250062 PMCID: PMC8267157 DOI: 10.3389/fvets.2021.671936] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 05/17/2021] [Indexed: 01/10/2023] Open
Abstract
Glaesserella parasuis (G. parasuis) can cause Glässer's disease and severely affect swine industry worldwide. This study is an attempt to address the issue of the capability of G. parasuis to damage the vascular barrier and the effects of baicalin on vascular tight junctions (TJ) in order to investigate the interactions between the pathogen and the porcine vascular endothelium. Piglets were challenged with G. parasuis and treated with or without baicalin. The expressions of vascular TJ genes were examined using RT-PCR. The distribution patterns of TJ proteins were detected by immunofluorescence. The involved signaling pathways were determined by Western blot assays on related proteins. G. parasuis can downregulate TJ expression and disrupt the distribution of TJ proteins. Baicalin can alleviate the downregulation of vascular TJ mRNA, maintain the distribution, and prevent the abnormalities of TJ. These results provide ample evidence that baicalin has the capacity to protect vascular TJ damaged by G. parasuis through inhibiting PKC and MLCK/MLC pathway activation. As a result, baicalin is a promising candidate for application as a natural agent for the prevention and control of G. parasuis infection.
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Affiliation(s)
- Yu Liu
- Hubei key Laboratory of Animal Nutrition and Feed Science, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan, China
| | - Xiaoyi Li
- Hubei key Laboratory of Animal Nutrition and Feed Science, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan, China
| | - Zhaoran Zhang
- Hubei key Laboratory of Animal Nutrition and Feed Science, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan, China
| | - Jiacheng Zhang
- Hubei key Laboratory of Animal Nutrition and Feed Science, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan, China
| | - Jianfeng Xu
- Hubei key Laboratory of Animal Nutrition and Feed Science, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan, China
| | - Yinsheng Qiu
- Hubei key Laboratory of Animal Nutrition and Feed Science, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan, China
| | - Chun Ye
- Hubei key Laboratory of Animal Nutrition and Feed Science, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan, China
| | - Shulin Fu
- Hubei key Laboratory of Animal Nutrition and Feed Science, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan, China
| | - Zhongyuan Wu
- Hubei key Laboratory of Animal Nutrition and Feed Science, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan, China
| | - Chien-An Andy Hu
- Biochemistry and Molecular Biology, University of New Mexico School of Medicine, Albuquerque, NM, United States
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Lyu W, Yang H, Li N, Lu L, Yang C, Jin P, Xiao Y. Molecular characterization, developmental expression, and modulation of occludin by early intervention with Clostridium butyricum in Muscovy ducks. Poult Sci 2021; 100:101271. [PMID: 34214748 PMCID: PMC8258698 DOI: 10.1016/j.psj.2021.101271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/13/2021] [Accepted: 05/13/2021] [Indexed: 11/16/2022] Open
Abstract
Occludin is an important component of tight junction proteins and has been extensively studied in animals such as mice, chickens, geese, and pigs. As one of the most important waterfowl species in China, Muscovy duck (Cairina moschata) is an important economic animal for meat. However, research on the occludin gene in Muscovy duck is lacking. In the present study, Muscovy duck occludin cDNA was cloned for the first time. The length of the cDNA was 1,699 bp, and it showed a high sequence similarity with the Anser cygnoides domesticus and Gallus gallus occludin genes. The occludin gene was differentially expressed in the tissues of healthy ducks. The highest and lowest expressions of occludin were observed in the crop and the spleen, respectively. After the oral administration of Clostridium butyricum (CB), the occludin expression in the ileum of 7-day-old Muscovy ducks was significantly upregulated and subsequently showed a decreasing trend in 14-day-old Muscovy ducks. Under the early intervention of CB, no significant difference was observed in the occludin expression of cecum between the control and CB group. Collectively, these results suggest that CB plays an important role in regulating the expression of the occludin gene in Muscovy ducks, and adding CB in feed may maintain the intestinal barrier of ducks by regulating the expression of occludin.
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Affiliation(s)
- Wentao Lyu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Hua Yang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Na Li
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China; College of Animal Sciences & Technology, Zhejiang A & F University, Hangzhou 311300, China
| | - Lizhi Lu
- Institute of Animal Husbandry and Veterinary Science, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China
| | - Caimei Yang
- College of Animal Sciences & Technology, Zhejiang A & F University, Hangzhou 311300, China
| | - Peihua Jin
- College of Animal Sciences & Technology, Zhejiang A & F University, Hangzhou 311300, China
| | - Yingping Xiao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China.
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Chelly M, Chelly S, Occhiuto C, Cimino F, Cristani M, Saija A, Muscarà C, Ruberto G, Speciale A, Bouaziz-Ketata H, Siracusa L. Comparison of Phytochemical Profile and Bioproperties of Methanolic Extracts from Different Parts of Tunisian Rumex roseus. Chem Biodivers 2021; 18:e2100185. [PMID: 33860977 DOI: 10.1002/cbdv.202100185] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 04/16/2021] [Indexed: 12/28/2022]
Abstract
The genus Rumex (Polygonaceae) is distributed worldwide and the different species belonging to it are used in traditional medicine. The present study aimed at the evaluation of the phytochemical profile and the biochemical properties of methanolic extracts from different parts (roots, stems, and leaves) of Rumex roseus, a wild local Tunisian plant traditionally used as food. The phytochemical analysis on the extracts was performed using standard colorimetric procedures, HPLC-DAD, and HPLC-DAD-ESI-MS; then, several in vitro cell-free assays have been used to estimate their antioxidant/free radical scavenging capability (TAC-PM, DPPH, TEAC, FRAP, ORAC, SOD-like activity, and HOCl-induced albumin degradation). Additionally, anti-inflammatory effect of these extracts was evaluated in an in vitro model of acute intestinal inflammation in differentiated Caco-2 cells. The results showed that the methanolic extracts from stems and, especially, leaves contain substantial amounts of flavones (apigenin and luteolin, together with their derivatives), while the extract from roots is characterized by the presence of tannins and quinic acid derivatives. All the extracts appeared endowed with excellent antioxidant/free radical scavenging properties. In particular, the extract from roots was characterized by a remarkable activity, probably due to its different and peculiar polyphenolic composition. Furthermore, both Rumex roseus roots and stems extracts demonstrated an anti-inflammatory effect in intestinal epithelial cells, reducing TNF-α-induced gene expression of IL-6 and IL-8. In conclusion, R. roseus methanolic extracts have shown to be potential sources of bioactive compounds to be used in the prevention and treatment of pathologies related to oxidative stress and inflammation.
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Affiliation(s)
- Meryam Chelly
- Toxicology-Microbiology and Environmental Health Laboratory (RL 17ES06), Faculty of Sciences, University of Sfax, 3000, Sfax, Tunisia
| | - Sabrine Chelly
- Toxicology-Microbiology and Environmental Health Laboratory (RL 17ES06), Faculty of Sciences, University of Sfax, 3000, Sfax, Tunisia
| | - Cristina Occhiuto
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università di, 98168, Messina, Viale Annunziata, Italy
| | - Francesco Cimino
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università di, 98168, Messina, Viale Annunziata, Italy
| | - Mariateresa Cristani
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università di, 98168, Messina, Viale Annunziata, Italy
| | - Antonina Saija
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università di, 98168, Messina, Viale Annunziata, Italy
| | - Claudia Muscarà
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università di, 98168, Messina, Viale Annunziata, Italy
| | - Giuseppe Ruberto
- Istituto di Chimica Biomolecolare del Consiglio Nazionale delle Ricerche (ICB-CNR), Via Paolo Gaifami, 18, 95126, Catania, Italy
| | - Antonio Speciale
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università di, 98168, Messina, Viale Annunziata, Italy
| | - Hanen Bouaziz-Ketata
- Toxicology-Microbiology and Environmental Health Laboratory (RL 17ES06), Faculty of Sciences, University of Sfax, 3000, Sfax, Tunisia
| | - Laura Siracusa
- Istituto di Chimica Biomolecolare del Consiglio Nazionale delle Ricerche (ICB-CNR), Via Paolo Gaifami, 18, 95126, Catania, Italy
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Gomez-Casado C, Sanchez-Solares J, Izquierdo E, Díaz-Perales A, Barber D, Escribese MM. Oral Mucosa as a Potential Site for Diagnosis and Treatment of Allergic and Autoimmune Diseases. Foods 2021; 10:970. [PMID: 33925074 PMCID: PMC8146604 DOI: 10.3390/foods10050970] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 04/23/2021] [Accepted: 04/26/2021] [Indexed: 12/15/2022] Open
Abstract
Most prevalent food allergies during early childhood are caused by foods with a high allergenic protein content, such as milk, egg, nuts, or fish. In older subjects, some respiratory allergies progressively lead to food-induced allergic reactions, which can be severe, such as urticaria or asthma. Oral mucosa remodeling has been recently proven to be a feature of severe allergic phenotypes and autoimmune diseases. This remodeling process includes epithelial barrier disruption and the release of inflammatory signals. Although little is known about the immune processes taking place in the oral mucosa, there are a few reports describing the oral mucosa-associated immune system. In this review, we will provide an overview of the recent knowledge about the role of the oral mucosa in food-induced allergic reactions, as well as in severe respiratory allergies or food-induced autoimmune diseases, such as celiac disease.
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Affiliation(s)
- Cristina Gomez-Casado
- Institute of Applied Molecular Medicine, Department of Basic Medical Sciences, Faculty of Medicine, San Pablo CEU University, 28003 Madrid, Spain; (J.S.-S.); (E.I.); (D.B.); (M.M.E.)
| | - Javier Sanchez-Solares
- Institute of Applied Molecular Medicine, Department of Basic Medical Sciences, Faculty of Medicine, San Pablo CEU University, 28003 Madrid, Spain; (J.S.-S.); (E.I.); (D.B.); (M.M.E.)
| | - Elena Izquierdo
- Institute of Applied Molecular Medicine, Department of Basic Medical Sciences, Faculty of Medicine, San Pablo CEU University, 28003 Madrid, Spain; (J.S.-S.); (E.I.); (D.B.); (M.M.E.)
| | - Araceli Díaz-Perales
- Center of Plant Biotechnology and Genomics, Technical University of Madrid, 28040 Madrid, Spain;
| | - Domingo Barber
- Institute of Applied Molecular Medicine, Department of Basic Medical Sciences, Faculty of Medicine, San Pablo CEU University, 28003 Madrid, Spain; (J.S.-S.); (E.I.); (D.B.); (M.M.E.)
| | - María M. Escribese
- Institute of Applied Molecular Medicine, Department of Basic Medical Sciences, Faculty of Medicine, San Pablo CEU University, 28003 Madrid, Spain; (J.S.-S.); (E.I.); (D.B.); (M.M.E.)
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Chen YM, Wang IL, Zhu XY, Chiu WC, Chiu YS. Red Clover Isoflavones Influence Estradiol Concentration, Exercise Performance, and Gut Microbiota in Female Mice. Front Nutr 2021; 8:623698. [PMID: 33937304 PMCID: PMC8079722 DOI: 10.3389/fnut.2021.623698] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 03/12/2021] [Indexed: 12/30/2022] Open
Abstract
In red clover (Trifolium pratense L.; RC) the main compound is isoflavones, which are selective estrogen receptor modulators for maintaining female health. Isoflavones exert antifatigue effects during exercise in high-temperature environments. This study aimed to investigate the effect of RC supplementation on gut microbiota composition to determine whether it improves intestinal barrier function and exercise performance. Female ICR mice were divided into four groups (n = 8 per group) and orally administered RC once daily for 6 weeks at 0 (vehicle), 308 (RC-1X), 615 (RC-2X), and 1,538 (RC-5X) mg/kg. RC supplementation decreased the fat mass and increased exhaustive swimming time, grip strength, and muscle glycogen in female mice. In the RC supplementation group, serum levels of lactate, ammonia, and creatine kinase decreased after swimming. The estradiol and progesterone levels were higher in the RC group than in the vehicle group. Regarding gut microbiota composition, the RC-2X group may increase intestinal health related to the microorganisms Pseudobutyrivibrio and Parabacteroide. Thus, the use of RC supplements as nutraceuticals could have positive effects on athletes' gut and overall health.
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Affiliation(s)
- Yi-Ming Chen
- The College of Physical Education, Hubei Normal University, Huangshi, China
| | - I-Lin Wang
- The College of Physical Education, Hubei Normal University, Huangshi, China
| | - Xin-Yi Zhu
- Graduate Institute, Jilin Sport University, Changchun, China
| | - Wan-Chun Chiu
- School of Nutrition and Health Sciences, College of Nutrition, Taipei Medical University, Taipei, Taiwan.,Research Center of Geriatric Nutrition, College of Nutrition, Taipei Medical University, Taipei, Taiwan
| | - Yen-Shuo Chiu
- School of Nutrition and Health Sciences, College of Nutrition, Taipei Medical University, Taipei, Taiwan.,Department of Orthopedics, Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan
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Regulatory effects of flavonoids luteolin on BDE-209-induced intestinal epithelial barrier damage in Caco-2 cell monolayer model. Food Chem Toxicol 2021; 150:112098. [DOI: 10.1016/j.fct.2021.112098] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 02/26/2021] [Accepted: 02/28/2021] [Indexed: 02/07/2023]
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Wasti S, Sah N, Singh AK, Lee CN, Jha R, Mishra B. Dietary supplementation of dried plum: a novel strategy to mitigate heat stress in broiler chickens. J Anim Sci Biotechnol 2021; 12:58. [PMID: 33781340 PMCID: PMC8008564 DOI: 10.1186/s40104-021-00571-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 02/17/2021] [Indexed: 12/14/2022] Open
Abstract
Background Heat stress is a significant problem in the poultry industry, causing a severe economic loss due to its detrimental effects on chickens’ health and performance. Dried plum (DP) is a good source of minerals, vitamins, antioxidants, and phenolic compounds. Studies have suggested that DP has several health benefits, such as maintaining the body’s redox system, immune status, and calcium hemostasis. Based on the health benefits of DP, we hypothesized that the dietary supplementation of DP would alleviate the detrimental effects of heat stress on broiler chickens. Results To test the hypothesis, day-old broiler chicks (n = 72) were randomly allocated to three treatment groups (n = 24/group): no heat stress (NHS), heat stress (HS), and heat stress with dried plum (HS + DP), and reared under standard conditions. The inclusion of 2.5% DP in the feed of the HS + DP group was made during the treatment period, while birds in other groups were provided with a standard finisher diet. After 21 days, birds in the HS and HS + DP groups were exposed to cyclic heat stress conditions (33 °C for 8 h during daytime) for 3 weeks, while those in the NHS group were reared under normal conditions (22–24 °C). Weekly body weight and feed intake were recorded to calculate the average daily gain (ADG), average daily feed intake (ADFI), and feed conversion ratio (FCR). Heat stress significantly decreased the final body weight, ADG, ADFI, and increased FCR compared to the NHS group, whereas dietary supplementation of DP significantly improved these growth performance parameters compared to the HS group. Furthermore, supplementation of DP significantly increased the expression of heat shock protein-related genes (HSF1, HSF3, HSP70, and HSP90), antioxidant-related genes (SOD1, SOD2, GPX1, GPX3, PRDX1, and TXN), tight junction-related genes (CLDN1, and OCLN), and immune-related genes (IL4, MUC2) in the ileum as compared to the HS group. The microbiota analysis showed significant enrichment of Bacillales, Christensenellaceae, Bacillaceae, Peptostreptococcaceae, and Anaerotruncus in heat-stressed birds supplemented with DP as compared to the HS group. Further, DP supplementation also significantly increased the concentration of acetate, propionate, and total VFA in the cecal digesta of the HS + DP group as compared to the HS group. Conclusion These findings suggest that DP supplementation effectively improved the growth performances and gut health parameters in the heat-stressed birds. Thus, dried plum can be a potential feed supplement to mitigate heat stress in broiler chickens. Supplementary Information The online version contains supplementary material available at 10.1186/s40104-021-00571-5.
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Affiliation(s)
- Sanjeev Wasti
- Department of Human Nutrition Food and Animal Sciences, University of Hawaii at Manoa, Honolulu, HI, 96822, USA
| | - Nirvay Sah
- Department of Human Nutrition Food and Animal Sciences, University of Hawaii at Manoa, Honolulu, HI, 96822, USA
| | - Amit K Singh
- Department of Human Nutrition Food and Animal Sciences, University of Hawaii at Manoa, Honolulu, HI, 96822, USA
| | - Chin N Lee
- Department of Human Nutrition Food and Animal Sciences, University of Hawaii at Manoa, Honolulu, HI, 96822, USA
| | - Rajesh Jha
- Department of Human Nutrition Food and Animal Sciences, University of Hawaii at Manoa, Honolulu, HI, 96822, USA
| | - Birendra Mishra
- Department of Human Nutrition Food and Animal Sciences, University of Hawaii at Manoa, Honolulu, HI, 96822, USA.
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Protective Effects of Baicalin on Peritoneal Tight Junctions in Piglets Challenged with Glaesserella parasuis. Molecules 2021; 26:molecules26051268. [PMID: 33652818 PMCID: PMC7956672 DOI: 10.3390/molecules26051268] [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: 01/31/2021] [Revised: 02/17/2021] [Accepted: 02/18/2021] [Indexed: 12/11/2022] Open
Abstract
Glaesserella parasuis (G. parasuis) causes inflammation and damage to piglets. Whether polyserositis caused by G. parasuis is due to tight junctions damage and the protective effect of baicalin on it have not been examined. Therefore, this study aims to investigate the effects of baicalin on peritoneal tight junctions of piglets challenged with G. parasuis and its underlying molecular mechanisms. Piglets were challenged with G. parasuis and treated with or without baicalin. RT-PCR was performed to examine the expression of peritoneal tight junctions genes. Immunofluorescence was carried out to detect the distribution patterns of tight junctions proteins. Western blot assays were carried out to determine the involved signaling pathways. Our data showed that G. parasuis infection can down-regulate the tight junctions expression and disrupt the distribution of tight junctions proteins. Baicalin can alleviate the down-regulation of tight junctions mRNA in peritoneum, prevent the abnormalities and maintain the continuous organization of tight junctions. Our results provide novel evidence to support that baicalin has the capacity to protect peritoneal tight junctions from G. parasuis-induced inflammation. The protective mechanisms of baicalin could be associated with inhibition of the activation of PKC and MLCK/MLC signaling pathway. Taken together, these data demonstrated that baicalin is a promising natural agent for the prevention and treatment of G. parasuis infection.
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