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Sun Z, Liu K, Liang C, Wen L, Wu J, Liu X, Li X. Diosmetin as a promising natural therapeutic agent: In vivo, in vitro mechanisms, and clinical studies. Phytother Res 2024; 38:3660-3694. [PMID: 38748620 DOI: 10.1002/ptr.8214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 04/09/2024] [Accepted: 04/13/2024] [Indexed: 07/12/2024]
Abstract
Diosmetin, a natural occurring flavonoid, is primarily found in citrus fruits, beans, and other plants. Diosmetin demonstrates a variety of pharmacological activities, including anticancer, antioxidant, anti-inflammatory, antibacterial, metabolic regulation, cardiovascular function improvement, estrogenic effects, and others. The process of literature search was done using PubMed, Web of Science and ClinicalTrials databases with search terms containing Diosmetin, content, anticancer, anti-inflammatory, antioxidant, pharmacological activity, pharmacokinetics, in vivo, and in vitro. The aim of this review is to summarize the in vivo, in vitro and clinical studies of Diosmetin over the last decade, focusing on studies related to its anticancer, anti-inflammatory, and antioxidant activities. It is found that DIO has significant therapeutic effects on skin and cardiovascular system diseases, and its research in pharmacokinetics and toxicology is summarized. It provides the latest information for researchers and points out the limitations of current research and areas that should be strengthened in future research, so as to facilitate the relevant scientific research and clinical application of DIO.
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Affiliation(s)
- Zihao Sun
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Kai Liu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Chuipeng Liang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Lin Wen
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jijiao Wu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xiaolian Liu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xiaofang Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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Takahashi H, Morikawa M, Ozaki E, Numasaki M, Morimoto H, Tanaka M, Inoue H, Goto T, Kawada T, Eguchi F, Uehara M, Takahashi N. A modified system using macrophage-conditioned medium revealed that the indirect effects of anti-inflammatory food-derived compounds improve inflammation-induced suppression of UCP-1 mRNA expression in 10T1/2 adipocytes. Biosci Biotechnol Biochem 2024; 88:679-688. [PMID: 38499443 DOI: 10.1093/bbb/zbae033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Accepted: 03/08/2024] [Indexed: 03/20/2024]
Abstract
Recently, it has been suggested that brown and beige adipocytes may ameliorate obesity because these adipocytes express uncoupling protein-1 (UCP-1), which generates heat by consuming lipid. However, obesity-induced inflammation suppresses the expression of UCP-1. To improve such conditions, food components with anti-inflammatory properties are attracting attention. In this study, we developed a modified system to evaluate only the indirect effects of anti-inflammatory food-derived compounds by optimizing the conventional experimental system using conditioned medium. We validated this new system using 6-shogaol and 6-gingerol, which have been reported to show the anti-inflammatory effects and to increase the basal expression of UCP-1 mRNA. In addition, we found that the acetone extract of Sarcodon aspratus, an edible mushroom, showed anti-inflammatory effects and rescued the inflammation-induced suppression of UCP-1 mRNA expression. These findings indicate that the system with conditioned medium is valuable for evaluation of food-derived compounds with anti-inflammatory effects on the inflammation-induced thermogenic adipocyte dysfunction.
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Affiliation(s)
- Hisako Takahashi
- Department of Nutritional Science and Food Safety, Faculty of Applied Bioscience, Tokyo University of Agriculture, Tokyo, Japan
| | - Miori Morikawa
- Department of Nutritional Science and Food Safety, Faculty of Applied Bioscience, Tokyo University of Agriculture, Tokyo, Japan
| | - Emi Ozaki
- Department of Nutritional Science and Food Safety, Faculty of Applied Bioscience, Tokyo University of Agriculture, Tokyo, Japan
| | - Minami Numasaki
- Department of Forest Science, Faculty of Regional Environment Science, Tokyo University of Agriculture, Tokyo, Japan
| | - Hiromu Morimoto
- Department of Nutritional Science and Food Safety, Faculty of Applied Bioscience, Tokyo University of Agriculture, Tokyo, Japan
| | - Miori Tanaka
- Department of Nutritional Science and Food Safety, Faculty of Applied Bioscience, Tokyo University of Agriculture, Tokyo, Japan
| | - Hirofumi Inoue
- Department of Nutritional Science and Food Safety, Faculty of Applied Bioscience, Tokyo University of Agriculture, Tokyo, Japan
| | - Tsuyoshi Goto
- Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - Teruo Kawada
- Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - Fumio Eguchi
- Department of Forest Science, Faculty of Regional Environment Science, Tokyo University of Agriculture, Tokyo, Japan
| | - Mariko Uehara
- Department of Nutritional Science and Food Safety, Faculty of Applied Bioscience, Tokyo University of Agriculture, Tokyo, Japan
| | - Nobuyuki Takahashi
- Department of Nutritional Science and Food Safety, Faculty of Applied Bioscience, Tokyo University of Agriculture, Tokyo, Japan
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Landrier JF, Breniere T, Sani L, Desmarchelier C, Mounien L, Borel P. Effect of tomato, tomato-derived products and lycopene on metabolic inflammation: from epidemiological data to molecular mechanisms. Nutr Res Rev 2023:1-17. [PMID: 38105560 DOI: 10.1017/s095442242300029x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
The goal of this narrative review is to summarise the current knowledge and limitations related to the anti-inflammatory effects of tomato, tomato-derived products and lycopene in the context of metabolic inflammation associated to cardiometabolic diseases. The potential of tomato and tomato-derived product supplementation is supported by animal and in vitro studies. In addition, intervention studies provide arguments in favour of a limitation of metabolic inflammation. This is also the case for observational studies depicting inverse association between plasma lycopene levels and inflammation. Nevertheless, current data of intervention studies are mixed concerning the anti-inflammatory effect of tomato and tomato-derived products and are not in favour of an anti-inflammatory effect of pure lycopene in humans. From epidemiological to mechanistic studies, this review aims to identify limitations of the current knowledge and gaps that remain to be filled to improve our comprehension in contrasted anti-inflammatory effects of tomato, tomato-derived products and pure lycopene.
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Affiliation(s)
| | - Thomas Breniere
- Aix-Marseille Université, C2VN, INRAE, INSERM, Marseille, France
- INRAE-Centre d'Avignon UR1115 Plantes et Systèmes de Culture Horticoles, Avignon, France
- Laboratoire de Physiologie Expérimentale Cardiovasculaire (LAPEC), UPR-4278, Université d'Avignon, 84029 Avignon, France
| | - Léa Sani
- Aix-Marseille Université, C2VN, INRAE, INSERM, Marseille, France
| | | | - Lourdes Mounien
- Aix-Marseille Université, C2VN, INRAE, INSERM, Marseille, France
| | - Patrick Borel
- Aix-Marseille Université, C2VN, INRAE, INSERM, Marseille, France
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Bailly C. The steroidal alkaloids α-tomatine and tomatidine: Panorama of their mode of action and pharmacological properties. Steroids 2021; 176:108933. [PMID: 34695457 DOI: 10.1016/j.steroids.2021.108933] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 10/03/2021] [Accepted: 10/14/2021] [Indexed: 01/04/2023]
Abstract
The steroidal glycoalkaloid α-tomatine (αTM) and its aglycone tomatidine (TD) are abundant in the skin of unripe green tomato and present in tomato leaves and flowers. They mainly serve as defensive agents to protect the plant against infections by insects, bacteria, parasites, viruses, and fungi. In addition, the two products display a range of pharmacological properties potentially useful to treat various human diseases. We have analyzed all known pharmacological activities of αTM and TD, and the corresponding molecular targets and pathways impacted by these two steroidal alkaloids. In experimental models, αTM displays anticancer effects, particularly strong against androgen-independent prostate cancer, as well as robust antifungal effects. αTM is a potent cholesterol binder, useful as a vaccine adjuvant to improve delivery of protein antigens or therapeutic oligonucleotides. TD is a much less cytotoxic compound, able to restrict the spread of certain viruses (such as dengue, chikungunya and porcine epidemic diarrhea viruses) and to provide cardio and neuro-protective effects toward human cells. Both αTM and TD exhibit marked anti-inflammatory activities. They proceed through multiple signaling pathways and protein targets, including the sterol C24 methyltransferase Erg6 and vitamin D receptor, both directly targeted by TD. αTM is a powerful regulator of the NFkB/ERK signaling pathway implicated in various diseases. Collectively, the analysis shed light on the multitargeted action of αTM/TD and their usefulness as chemo-preventive or chemotherapeutic agents. A novel medicinal application for αTM is proposed.
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Improvement of urinary tract symptoms and quality of life in benign prostate hyperplasia patients associated with consumption of a newly developed whole tomato-based food supplement: a phase II prospective, randomized double-blinded, placebo-controlled study. J Transl Med 2021; 19:24. [PMID: 33407599 PMCID: PMC7789791 DOI: 10.1186/s12967-020-02684-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 12/18/2020] [Indexed: 12/11/2022] Open
Abstract
Background Benign prostatic hyperplasia (BPH) is the most common urologic disease among elderly men. The diagnosis of BPH is usually driven by lower urinary tract symptoms (LUTS) that can significantly affect patients’ quality of life. This phase II prospective, randomized double-blinded, placebo-controlled study aimed to determine the efficacy and safety of a novel whole tomato-based food supplement on LUTS of patients diagnosed with BPH. Methods Forty consecutive patients with histologically proved BPH were randomized 1:1 to receive daily for 2 months a sachet (5 g) of a newly developed whole tomato food supplement (WTFS) (treatment = Group A) or placebo (Group B). Patients were asked to fill the International Prostatic Symptom Score (IPSS) questionnaire before and after treatment. Results All but 1 patient in Group B successfully completed the scheduled regimen. No side effects were recorded. Unlike placebo, treatment significantly reduced (P < 0.0002) LUTS since mean IPSS decreased from 9.05 ± 1.15 to 7.15 ± 1.04 (paired t-test, two-tailed P-value < 0.001), and improved life quality (P < 0.0001). A trend toward a reduction of total PSA levels was observed in WTFS treated patients (8.98 ng/mL ± 1.52 vs 6.95 ± 0.76, P = 0.065), with changes being statistically significant only in the subgroup of patients with baseline levels above 10 ng/mL (18.5 ng/mL ± 2.7 vs 10.3 ± 2.1, P = 0.009). Conclusions The new WTFS may represent a valid option for the treatment of symptomatic BPH patients. Unlike pharmacological treatments, the supplement is side effects free and highly accepted among patients.
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Lee H, Sung J, Kim Y, Jeong HS, Lee J. Inhibitory effect of diosmetin on inflammation and lipolysis in coculture of adipocytes and macrophages. J Food Biochem 2020; 44:e13261. [PMID: 32367620 DOI: 10.1111/jfbc.13261] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 03/25/2020] [Accepted: 03/31/2020] [Indexed: 12/30/2022]
Abstract
The interaction between adipocytes and macrophages in obese tissues plays a critical role in the onset of metabolic syndromes. This study aimed to evaluate the modulatory effect of diosmetin on anti-inflammatory and anti-lipolytic activities in the coculture of macrophages and adipocytes. The secretion of inflammatory mediators increased in a coculture medium, however, diosmetin significantly reduced the levels of these inflammatory mediators such as nitric oxide (NO), tumor necrosis factor-α, and monocyte chemoattractant protein. Diosmetin down-regulated the protein expression of inducible NO synthase in cocultured macrophages and adipocytes, and inhibited the phosphorylation of mitogen-activated protein kinases and the translocation of p65 and p50 to the nucleus. Moreover, it suppressed the phosphorylation of hormone-sensitive lipase and the production of fatty acid-binding protein 4, and increased the mRNA expression of adiponectin in cocultured adipocytes by 18%-35%. These results indicate that diosmetin inhibited inflammation and lipolysis in the crosstalk between adipocytes and macrophages; diosmetin-containing foods could be used in dietary therapy for the prevention of obesity-related metabolic syndromes. PRACTICAL APPLICATIONS: Diosmetin occurs naturally in citrus fruits that have a high inhibitory effect on inflammation in cocultured adipocytes and macrophages via the inactivation of the MAPKs/NF-kB pathway. Diosmetin also inhibited lipolysis via the reduction of FFA and free glycerol. The present study suggests that treatment of diosmetin may be useful for the prevention of obesity and inflammation-related metabolic syndromes.
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Affiliation(s)
- Hana Lee
- Division of Food and Animal Sciences, Chungbuk National University, Cheongju, Korea
| | - Jeehye Sung
- Department of Food Science and Biotechnology, Andong National University, Andong, Korea
| | - Younghwa Kim
- School of Food Biotechnology and Nutrition, Kyungsung University, Busan, Korea
| | - Heon Sang Jeong
- Division of Food and Animal Sciences, Chungbuk National University, Cheongju, Korea
| | - Junsoo Lee
- Division of Food and Animal Sciences, Chungbuk National University, Cheongju, Korea
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Banihani SA. Tomato (Solanum lycopersicum L.) and type 2 diabetes. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2018. [DOI: 10.1080/10942912.2018.1439959] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Saleem A. Banihani
- Department of Medical Laboratory Sciences, Jordan University of Science and Technology, Irbid, Jordan
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Ferruzza S, Natella F, Ranaldi G, Murgia C, Rossi C, Trošt K, Mattivi F, Nardini M, Maldini M, Giusti AM, Moneta E, Scaccini C, Sambuy Y, Morelli G, Baima S. Nutraceutical Improvement Increases the Protective Activity of Broccoli Sprout Juice in a Human Intestinal Cell Model of Gut Inflammation. Pharmaceuticals (Basel) 2016; 9:E48. [PMID: 27529258 PMCID: PMC5039501 DOI: 10.3390/ph9030048] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Revised: 08/05/2016] [Accepted: 08/08/2016] [Indexed: 12/27/2022] Open
Abstract
Benefits to health from a high consumption of fruits and vegetables are well established and have been attributed to bioactive secondary metabolites present in edible plants. However, the effects of specific health-related phytochemicals within a complex food matrix are difficult to assess. In an attempt to address this problem, we have used elicitation to improve the nutraceutical content of seedlings of Brassica oleracea grown under controlled conditions. Analysis, by LC-MS, of the glucosinolate, isothiocyanate and phenolic compound content of juices obtained from sprouts indicated that elicitation induces an enrichment of several phenolics, particularly of the anthocyanin fraction. To test the biological activity of basal and enriched juices we took advantage of a recently developed in vitro model of inflamed human intestinal epithelium. Both sprouts' juices protected intestinal barrier integrity in Caco-2 cells exposed to tumor necrosis factor α under marginal zinc deprivation, with the enriched juice showing higher protection. Multivariate regression analysis indicated that the extent of rescue from stress-induced epithelial dysfunction correlated with the composition in bioactive molecules of the juices and, in particular, with a group of phenolic compounds, including several anthocyanins, quercetin-3-Glc, cryptochlorogenic, neochlorogenic and cinnamic acids.
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Affiliation(s)
- Simonetta Ferruzza
- Food and Nutrition Research Centre, Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria, Via Ardeatina 546, 00178 Rome, Italy.
| | - Fausta Natella
- Food and Nutrition Research Centre, Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria, Via Ardeatina 546, 00178 Rome, Italy.
| | - Giulia Ranaldi
- Food and Nutrition Research Centre, Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria, Via Ardeatina 546, 00178 Rome, Italy.
| | - Chiara Murgia
- Food and Nutrition Research Centre, Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria, Via Ardeatina 546, 00178 Rome, Italy.
| | - Carlotta Rossi
- Food and Nutrition Research Centre, Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria, Via Ardeatina 546, 00178 Rome, Italy.
| | - Kajetan Trošt
- Food Quality and Nutrition Department, Research and Innovation Centre, Fondazione Edmund Mach, Via Edmund Mach 1, 38010 San Michele all'Adige (TN), Italy.
| | - Fulvio Mattivi
- Food Quality and Nutrition Department, Research and Innovation Centre, Fondazione Edmund Mach, Via Edmund Mach 1, 38010 San Michele all'Adige (TN), Italy.
| | - Mirella Nardini
- Food and Nutrition Research Centre, Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria, Via Ardeatina 546, 00178 Rome, Italy.
| | - Mariateresa Maldini
- Food and Nutrition Research Centre, Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria, Via Ardeatina 546, 00178 Rome, Italy.
| | - Anna Maria Giusti
- Department of Experimental Medicine, Section of Medical Physiopathology, Food Science and Endocrinology, Sapienza University, P.le Aldo Moro 5, 00185 Rome, Italy.
| | - Elisabetta Moneta
- Food and Nutrition Research Centre, Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria, Via Ardeatina 546, 00178 Rome, Italy.
| | - Cristina Scaccini
- Food and Nutrition Research Centre, Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria, Via Ardeatina 546, 00178 Rome, Italy.
| | - Yula Sambuy
- Food and Nutrition Research Centre, Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria, Via Ardeatina 546, 00178 Rome, Italy.
| | - Giorgio Morelli
- Food and Nutrition Research Centre, Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria, Via Ardeatina 546, 00178 Rome, Italy.
| | - Simona Baima
- Food and Nutrition Research Centre, Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria, Via Ardeatina 546, 00178 Rome, Italy.
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Resistin mediates tomato and broccoli extract effects on glucose homeostasis in high fat diet-induced obesity in rats. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2016; 16:225. [PMID: 27430475 PMCID: PMC4949892 DOI: 10.1186/s12906-016-1203-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Accepted: 07/07/2016] [Indexed: 12/20/2022]
Abstract
Background Resistin is an adipocyte hormone that regulates glucose metabolism. Elevated levels of resistin may cause insulin resistance. This may link obesity, and increased fat mass to type II diabetes and insulin resistance. We hypothesized that treatment with tomato and broccoli extracts regulates glucose homeostasis via modulation of resistin levels in high fat diet-induced obesity rats (HFD). Methods Forty-eight male albino rats were divided into 8 groups as follows: control, HFD, stop fat diet (SD), Tomato 200 mg/kg (T200), Tomato 400 mg/kg (T400), Broccoli 200 mg/kg (B200), Broccoli 400 mg/kg (B400), and Chromax (CX). Treatment continued for 1 month. Serum levels of resistin, leptin, adiponectin, glucose and insulin were measured using ELISA and spectrophotometry. Results Serum levels of resistin were significantly reduced in the T 200, T 400, B 200, B 400 and CX groups to: 4.13 ± 0.22 ng/ml, 1.51 ± 0.04 ng/ml, 4.13 ± 0.22 ng/ml, 2.32 ± 0.15 ng/ml and 1.37 ± 0.03 ng/ml, respectively, compared to HFD group and SD group (P value < 0.0001). Non-significant differences were found between T 400, B 400 and CX groups. Serum levels of leptin were significantly reduced in the T 400 (22.7 ± 0.84 pg/ml) group compared to the B 400 (41 ± 2.45 Pg/ml) and CX groups (45.7 ± 2.91 Pg/ml), P value < 0.001. Serum levels of adiponectin were significantly increased in the T 400 group (131 ± 3.84 pg/ml) compared to the CX group (112 ± 4.77 pg/ml), P value < 0.01. Conclusions Our results demonstrate that tomato and broccoli extract treatment regulates glucose homeostasis via reduction of serum resistin and may be a useful non-pharmacological therapy for obesity. Electronic supplementary material The online version of this article (doi:10.1186/s12906-016-1203-0) contains supplementary material, which is available to authorized users.
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Yamamoto T, Li Y, Hanafusa Y, Yeh YS, Maruki-Uchida H, Kawakami S, Sai M, Goto T, Ito T, Kawada T. Piceatannol exhibits anti-inflammatory effects on macrophages interacting with adipocytes. Food Sci Nutr 2016; 5:76-85. [PMID: 28070318 PMCID: PMC5217925 DOI: 10.1002/fsn3.366] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 02/17/2016] [Accepted: 03/08/2016] [Indexed: 12/16/2022] Open
Abstract
Piceatannol (PIC), a natural analog of resveratrol (RES), is a phytochemical found in passion fruit seeds. To clarify the effects of PIC on obesity‐induced inflammation in adipose tissue, we investigated the anti‐inflammatory activity of PIC‐related compounds (PIC, RES, and metabolites from PIC) in culture models of obese adipose tissue. Lipopolysaccharide (LPS) and conditioned medium from 3T3‐L1 adipocytes (3T3‐L1‐CM) enhanced proinflammatory gene expression and synthesis of nitric oxide (NO), tumor necrosis factor‐α (TNF‐α), and interleukin‐6 (IL‐6) in RAW264.7 macrophages. Although each compound inhibited the mRNA expression of iNOS (inducible NO synthase), TNF‐α, and IL‐6, PIC potently inhibited them, and 30 μmol/L PIC suppressed the LPS‐ and 3T3‐L1‐CM‐induced mRNA expression of iNOS (70.4% and 69.2% suppression, respectively), TNF‐α (42.6% and 47.0% suppression), and IL‐6 (27.3% and 42.1% suppression). PIC also significantly suppressed production of NO (80.3% suppression) and inflammatory cytokines (TNF‐α; 33.7% suppression, IL‐6; 66.5% suppression). Furthermore, PIC was found to rescue the uncoupling protein 1 mRNA expression induced by isoproterenol in 10T1/2 adipocytes, which was suppressed by LPS‐activated macrophages. These results suggest that PIC may attenuate the pathologic inflammation triggered by adipose tissues.
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Affiliation(s)
- Takayuki Yamamoto
- Research Institute Morinaga and Company Ltd.2-1-1 Shimosueyoshi Tsurumi-ku Yokohama 230-8504 Japan; Laboratory of Molecular Functions of Food Division of Food Science and Biotechnology Graduate School of Agriculture Kyoto University Uji Kyoto 611-0011 Japan
| | - Yongjia Li
- Laboratory of Molecular Functions of Food Division of Food Science and Biotechnology Graduate School of Agriculture Kyoto University Uji Kyoto 611-0011 Japan
| | - Yuki Hanafusa
- Laboratory of Molecular Functions of Food Division of Food Science and Biotechnology Graduate School of Agriculture Kyoto University Uji Kyoto 611-0011 Japan
| | - Yu-Sheng Yeh
- Laboratory of Molecular Functions of Food Division of Food Science and Biotechnology Graduate School of Agriculture Kyoto University Uji Kyoto 611-0011 Japan
| | - Hiroko Maruki-Uchida
- Research Institute Morinaga and Company Ltd. 2-1-1 Shimosueyoshi Tsurumi-ku Yokohama 230-8504 Japan
| | - Shinpei Kawakami
- Research Institute Morinaga and Company Ltd. 2-1-1 Shimosueyoshi Tsurumi-ku Yokohama 230-8504 Japan
| | - Masahiko Sai
- Research Institute Morinaga and Company Ltd. 2-1-1 Shimosueyoshi Tsurumi-ku Yokohama 230-8504 Japan
| | - Tsuyoshi Goto
- Laboratory of Molecular Functions of Food Division of Food Science and Biotechnology Graduate School of Agriculture Kyoto University Uji Kyoto 611-0011 Japan; Research Unit for Physiological Chemistry Center for the Promotion of Interdisciplinary Education and Research Kyoto University Kyoto 606-8502 Japan
| | - Tatsuhiko Ito
- Research Institute Morinaga and Company Ltd. 2-1-1 Shimosueyoshi Tsurumi-ku Yokohama 230-8504 Japan
| | - Teruo Kawada
- Laboratory of Molecular Functions of Food Division of Food Science and Biotechnology Graduate School of Agriculture Kyoto University Uji Kyoto 611-0011 Japan; Research Unit for Physiological Chemistry Center for the Promotion of Interdisciplinary Education and Research Kyoto University Kyoto 606-8502 Japan
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Tomato Aqueous Extract Modulates the Inflammatory Profile of Immune Cells and Endothelial Cells. Molecules 2016; 21:168. [PMID: 26840280 PMCID: PMC6273921 DOI: 10.3390/molecules21020168] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Revised: 01/13/2016] [Accepted: 01/20/2016] [Indexed: 01/18/2023] Open
Abstract
Nutrients transiently or chronically modulate functional and biochemical characteristics of cells and tissues both in vivo and in vitro. The influence of tomato aqueous extract (TAE) on the in vitro inflammatory response of activated human peripheral blood leukocytes (PBLs) and macrophages was investigated. Its effect on endothelial dysfunction (ED) was analyzed in human umbilical vein endothelial cells (HUVECs). Murine macrophages (RAW264.7 cells), PBLs and HUVECs were incubated with TAE. They were activated with LPS or TNF-α in order to induce inflammatory processes and ED, respectively. Inflammatory mediators and adhesion molecules were measured by immune assay-based multiplex analysis. Gene expression was quantified by RT-PCR. TAE altered the production of interleukins (IL-1β, IL-6, IL-10, IL-12) and chemokines (CCL2/MCP-1, CCL3/MIP-1α, CCL5/RANTES, CXCL8/IL-8, CXCL10/IP-10) in PBLs. TAE reduced ED-associated expression of adhesion molecules (ICAM-1, VCAM-1) in endothelial cell. In macrophages, the production of nitric oxide, PGE2, cytokines and ILs (TNF-α, IL-1β, IL-6, IL-12), which reflects chronic inflammatory processes, was reduced. Adenosine was identified as the main bioactive of TAE. Thus, TAE had cell-specific and context-dependent effects. We infer from these in vitro data, that during acute inflammation TAE enhances cellular alertness and therefore the sensing of disturbed immune homeostasis in the vascular-endothelial compartment. Conversely, it blunts inflammatory mediators in macrophages during chronic inflammation. A novel concept of immune regulation by this extract is proposed.
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