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Saghazadeh A. Exploring the pharmacological versatility of ficus carica: Modulating classical immunometabolism and beyond. Pharmacol Res 2023; 198:107010. [PMID: 37995897 DOI: 10.1016/j.phrs.2023.107010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 10/13/2023] [Accepted: 11/20/2023] [Indexed: 11/25/2023]
Abstract
The burden of metabolic disorders is alarmingly increasing globally. On the other hand, sustainability is the key project of the 21st century. Natural products offer a coherent option for the complementary management of both these challenges. Ficus carica (FC), commonly known as the fig fruit, has an experimentally proven potency for the modulation of cell cycle, immunity, inflammation, metabolism, and oxidative stress. Here, we review the potential of FC-derived products (FCDP) in slowing down the progression of cancers, acute/chronic inflammation-related conditions, infections, metabolic disorders, toxicities, neurological and neuromuscular diseases, gastrointestinal disorders, vascular diseases, and skin-stressing conditions, as well as, in boosting normal healthy functions of the endocrine, immune, metabolic, and nervous systems. It reveals a variety of cellular and molecular targets for FCDP: cytokines (TNF-α, IL-1β, IL-6, IL-10, IL-12, IL-18, IFN-γ), chemokines (CCL2), other inflammatory mediators (CRP, PGE2), immune receptors (TLR-2, TLR-4, FcεRI), oxidative stress-related markers (SOD, GSH, MDA, GPx, catalase, ROS, NO, protein carbonyls), kinases (MAPKs, hexokinase, G6Pase, FBPase, PEPCK, Akt, AMPK, GSK3, CDKs), other enzymes (COX-2, iNOS, MMPs, caspases), growth factors/receptors (VEGF, EGFR), hormones (DHEAS, prolactin, GnRH, FSH, LH, estradiol, DHT, insulin), cell death-related markers (Bcl-2, Bax, Bak, FasL, gasdermins, cytochrome C), glucose transporter protein (Glut4), and transcription factors (NF-κB, HNF-4α, Foxo, PGC-1α, PPAR-γ, C/EBP-α, CREB, NFATC1, STAT3). FCDP cause both activation and inhibition of AMPK, MAPK, and NF-κB signaling to confer condition-specific advantages. Such a broad-range activity might be attributed to different mechanisms of action of FCDP in modulating functions within the classical immunometabolic system, but also beyond.
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Affiliation(s)
- Amene Saghazadeh
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran; Systematic Review and Meta-analysis Expert Group (SRMEG), Universal Scientific Education and Research Network (USERN), Tehran, Iran.
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Dong M, Li P, Luo J, Chen B, Jiang H. Oligopeptide/Histidine Transporter PHT1 and PHT2 - Function, Regulation, and Pathophysiological Implications Specifically in Immunoregulation. Pharm Res 2023; 40:2585-2596. [PMID: 37610621 DOI: 10.1007/s11095-023-03589-8] [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: 05/28/2023] [Accepted: 08/15/2023] [Indexed: 08/24/2023]
Abstract
The oligopeptide/histidine transporters PHT1 and PHT2, two mammalian solute carrier family 15A proteins, mediate the transmembrane transport of histidine and some di/tripeptides via proton gradient. PHT1 and PHT2 are distributed in a variety of tissues but are preferentially expressed in immune cells and localize to the lysosome-related organelles. Studies have reported the relationships between PHT1/PHT2 and immune diseases. PHT1 and PHT2 participate in the regulation of lysosomal homeostasis and lysosome-associated signaling pathways through their transport and nontransport functions, playing important roles in inflammatory diseases. In this review, we summarize recent research on PHT1 and PHT2, aiming to provide reference for their further biological research and as targets for drug design.
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Affiliation(s)
- Minlei Dong
- Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Ping Li
- Department of Clinical Pharmacy, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jun Luo
- Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Binxin Chen
- Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Huidi Jiang
- Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China.
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A review on mechanisms of action of bioactive peptides against glucose intolerance and insulin resistance. FOOD SCIENCE AND HUMAN WELLNESS 2022. [DOI: 10.1016/j.fshw.2022.06.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Lee Y, Nakano A, Nagasato Y, Ichinose T, Matsui T. In Vitro and in Silico Analyses of the Adiponectin Receptor Agonistic Action of Soybean Tripeptides. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:7695-7703. [PMID: 35704463 DOI: 10.1021/acs.jafc.2c02115] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The Tyr-Pro (YP) dipeptide can serve as an adiponectin receptor 1 (AdipoR1) agonist. We thus investigated the AdipoR1-agonistic potential of YP-related tripeptides in the soybean protein sequence. Among the 17 soybean candidate tripeptides, those elongated at the C-terminus of YP (0.1 μM YPG, 140 ± 16%; 0.1 μM YPE, 141 ± 22%; 0.1 μM YPP, 145 ± 19%; 0.1 μM YPQ, 143 ± 20%; p < 0.05) significantly promoted glucose uptake by L6 muscle myotubes, comparable to the effect of 0.1 μM AdipoRon (163 ± 52%, p < 0.05). The knockdown of AdipoR1 expression in L6 cells abrogated this effect of YPG and YPP, indicating that the two tripeptides had an AdipoR1 agonistic effect. CHARMM-GUI-aided molecular dynamics simulation in a virtual phospholipid membrane revealed that YPG and YPP were stably positioned at the binding pockets of AdipoR1 (binding free energy < -10 kcal/mol). These findings demonstrate that the tripeptides YPG and YPP, with AdipoR1 agonistic YP sequences, have alternative adiponectin-like potential via their preferential binding to AdipoR1.
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Affiliation(s)
- Yuna Lee
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Akihiro Nakano
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Yuki Nagasato
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Takashi Ichinose
- Research Institute for Creating the Future, Fuji Oil Holdings Inc., 4-3 Kinunodai, Tsukubamirai-shi, Ibaraki 300-2497, Japan
| | - Toshiro Matsui
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
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Jiang X, Wu J. Structure and activity study of tripeptide IRW in TNF-α induced insulin resistant skeletal muscle cells. Food Funct 2022; 13:4061-4068. [PMID: 35315845 DOI: 10.1039/d1fo02893f] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Egg white protein ovotransferrin derived peptide IRW (Ile-Arg-Trp) was found to improve tumor necrosis factor alpha (TNF-α) or angiotensin II induced insulin resistance in L6 cells. Our recent study further showed that this peptide can improve glucose tolerance in high fat diet fed C57BL/6 mice. However, the structural requirements of IRW, especially the significance of each amino acid residue of IRW, is unknown. The study was aimed to investigate the structure and activity relationships of IRW in TNF-α induced insulin resistance L6 cells. The peptides were designed to determine the significance of individual amino acids in IRW using alanine scanning (replacing one amino acid at one time), the order of the peptide sequence and the constituting elements of IRW. Among the tested peptides and amino acids, only IRA and IR showed the same effects as that of IRW: enhanced glucose uptake, improvement in the impaired insulin signaling pathway and increased glucose transporter protein 4 (GLUT4) translocation in TNF-α treated L6 myotubes. This study demonstrated that C-terminal W is not essential to the activity of IRW. Further study is necessary to establish if IR and IRA show similar effects to that of IRW in vivo.
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Affiliation(s)
- Xu Jiang
- Department of Agricultural, Food and Nutritional Science, 4-10 Ag/For Building, University of Alberta, Edmonton, Alberta T6G 2P5, Canada.
| | - Jianping Wu
- Department of Agricultural, Food and Nutritional Science, 4-10 Ag/For Building, University of Alberta, Edmonton, Alberta T6G 2P5, Canada.
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Jahandideh F, Bourque SL, Wu J. A comprehensive review on the glucoregulatory properties of food-derived bioactive peptides. Food Chem X 2022; 13:100222. [PMID: 35498998 PMCID: PMC9039931 DOI: 10.1016/j.fochx.2022.100222] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 01/03/2022] [Accepted: 01/18/2022] [Indexed: 02/07/2023] Open
Abstract
Diabetes mellitus, a group of metabolic disorders characterized by persistent hyperglycemia, affects millions of people worldwide and is on the rise. Dietary proteins, from a wide range of food sources, are rich in bioactive peptides with antidiabetic properties. Notable examples include AGFAGDDAPR, a black tea-derived peptide, VRIRLLQRFNKRS, a β-conglycinin-derived peptide, and milk-derived peptide VPP, which have shown antidiabetic effects in diabetic rodent models through variety of pathways including improving beta-cells function, suppression of alpha-cells proliferation, inhibiting food intake, increasing portal cholecystokinin concentration, enhancing insulin signaling and glucose uptake, and ameliorating adipose tissue inflammation. Despite the immense research on glucoregulatory properties of bioactive peptides, incorporation of these bioactive peptides in functional foods or nutraceuticals is widely limited due to the existence of several challenges in the field of peptide research and commercialization. Ongoing research in this field, however, is fundamental to pave the road for this purpose.
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Key Words
- AMPK, AMP-activated protein kinase
- Akt, Protein kinase B
- Bioactive peptides
- C/EBP-α, CCAAT/ enhancer binding protein alpha
- CCK, Cholecystokinin
- CCK-1R, CCK type 1 receptor
- DPP-IV, Dipeptidyl peptidase IV
- Diabetes mellitus
- ERK1/2, Extracellular signal regulated kinase 1/2
- GIP, Glucose-dependent insulinotropic polypeptide
- GLP-1, Glucagon-like peptide 1
- GLUT, Glucose transporter
- Glucose homeostasis
- IRS-1, Insulin receptor substrate-1
- Insulin resistance
- MAPK, Mitogen activated protein kinase
- PI3K, Phosphatidylinositol 3-kinase
- PPARγ, Peroxisome proliferator associated receptor gamma
- Reproductive dysfunction
- TZD, Thiazolidinedione
- cGMP, cyclic guanosine-monophosphate
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Affiliation(s)
- Forough Jahandideh
- Department of Anesthesiology & Pain Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB T6G 2G3, Canada.,Cardiovascular Research Centre, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, AB T6G 2S2, Canada
| | - Stephane L Bourque
- Department of Anesthesiology & Pain Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB T6G 2G3, Canada.,Cardiovascular Research Centre, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, AB T6G 2S2, Canada
| | - Jianping Wu
- Cardiovascular Research Centre, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, AB T6G 2S2, Canada.,Department of Agricultural, Food and Nutritional Science, Faculty of Agricultural, Life and Environmental Sciences, University of Alberta, Edmonton, AB T6G 2P5, Canada
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Lee Y, Nakano A, Nakamura S, Sakai K, Tanaka M, Sanematsu K, Shigemura N, Matsui T. In vitro and in silico characterization of adiponectin-receptor agonist dipeptides. NPJ Sci Food 2021; 5:29. [PMID: 34772952 PMCID: PMC8589863 DOI: 10.1038/s41538-021-00114-2] [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: 06/30/2021] [Accepted: 10/21/2021] [Indexed: 12/11/2022] Open
Abstract
The aim of this study is to develop a dipeptide showing an adiponectin receptor 1 (AdipoR1) agonistic effect in skeletal muscle L6 myotubes. Based on the structure of the AdipoR1 agonist, AdipoRon, 15 synthetic dipeptides were targeted to promote glucose uptake in L6 myotubes. Tyr-Pro showed a significant increase in glucose uptake among the dipeptides, while other dipeptides, including Pro-Tyr, failed to exert this effect. Tyr-Pro induces glucose transporter 4 (Glut4) expression in the plasma membrane, along with adenosine monophosphate-activated protein kinase (AMPK) activation. In AdipoR1-knocked down cells, the promotion by Tyr-Pro was ameliorated, indicating that Tyr-Pro may directly interact with AdipoR1 as an agonist, followed by the activation of AMPK/Glut4 translocation in L6 myotubes. Molecular dynamics simulations revealed that a Tyr-Pro molecule was stably positioned in the two potential binding pockets (sites 1 and 2) of the seven-transmembrane receptor, AdipoR1, anchored in a virtual 1-palmitoyl-2-oleoyl-phosphatidylcholine membrane. In conclusion, we demonstrated the antidiabetic function of the Tyr-Pro dipeptide as a possible AdipoR1 agonist.
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Affiliation(s)
- Yuna Lee
- grid.177174.30000 0001 2242 4849Department of Bioresources and Biosciences, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395 Japan
| | - Akihiro Nakano
- grid.177174.30000 0001 2242 4849Department of Bioresources and Biosciences, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395 Japan
| | - Saya Nakamura
- grid.177174.30000 0001 2242 4849Department of Bioresources and Biosciences, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395 Japan
| | - Kenta Sakai
- grid.177174.30000 0001 2242 4849Research and Development Center for Five-Sense Devices, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395 Japan
| | - Mitsuru Tanaka
- grid.177174.30000 0001 2242 4849Research and Development Center for Five-Sense Devices, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395 Japan
| | - Keisuke Sanematsu
- grid.177174.30000 0001 2242 4849Research and Development Center for Five-Sense Devices, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395 Japan ,grid.177174.30000 0001 2242 4849Section of Oral Neuroscience, Graduate School of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582 Japan ,grid.177174.30000 0001 2242 4849Oral Health/Brain Health/Total Health Research Center, Graduate School of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582 Japan
| | - Noriatsu Shigemura
- grid.177174.30000 0001 2242 4849Research and Development Center for Five-Sense Devices, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395 Japan ,grid.177174.30000 0001 2242 4849Section of Oral Neuroscience, Graduate School of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582 Japan
| | - Toshiro Matsui
- Department of Bioresources and Biosciences, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan. .,Research and Development Center for Five-Sense Devices, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan.
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Shi B, Hu X, He H, Fang W. Metformin suppresses breast cancer growth via inhibition of cyclooxygenase-2. Oncol Lett 2021; 22:615. [PMID: 34257723 PMCID: PMC8243079 DOI: 10.3892/ol.2021.12876] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 05/26/2021] [Indexed: 12/13/2022] Open
Abstract
Pre-clinical and on-going trials have indicated the advantage of using metformin as an anticancer drug alone or in combination with other chemotherapeutics for the treatment of patients with breast cancer. However, the mechanisms by which metformin attenuates tumorigenesis remain to be further elucidated. The present study investigated the anticancer effects of metformin in breast cancer and identified potential molecular targets of metformin using western blotting and immunohistochemical analysis. Metformin significantly decreased tumor cell proliferation in vitro and suppressed tumor growth in vivo. Moreover, it induced the activation of AMP-induced protein kinase and suppression of phosphorylated-eukaryotic translation initiation factor 4E-binding protein 1 (p-4E-BP1), a downstream effector of the mTOR signaling pathway, and decreased cyclin D1 levels in in vitro and in vivo experimental models. Additionally, metformin inhibited cyclooxygenase (COX)-2 expression. Clinically, high expression levels of COX-2 and p-4E-BP1 in tissues of patients with breast cancer were significantly associated with enhanced lymphatic metastasis and distant metastasis. Thus, the current data suggested that metformin may have potential value as a synergistic therapy targeting both the COX-2 and mTOR signaling pathways.
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Affiliation(s)
- Bin Shi
- Department of Medical Oncology, Fuzhou General Hospital of Fujian Medical University, East Hospital Affiliated to Xiamen University (The 900th Hospital of The Joint Logistics Support Force of The Chinese PLA), Dongfang Hospital, Xiamen University, Fuzhou, Fujian 350025, P.R. China.,Department of Medical Oncology, Longyan People's Hospital, Longyan, Fujian 364000, P.R. China
| | - Xinyu Hu
- Department of Medical Oncology, Fuzhou General Hospital of Fujian Medical University, East Hospital Affiliated to Xiamen University (The 900th Hospital of The Joint Logistics Support Force of The Chinese PLA), Dongfang Hospital, Xiamen University, Fuzhou, Fujian 350025, P.R. China
| | - Huimin He
- Department of Medical Oncology, Fuzhou General Hospital of Fujian Medical University, East Hospital Affiliated to Xiamen University (The 900th Hospital of The Joint Logistics Support Force of The Chinese PLA), Dongfang Hospital, Xiamen University, Fuzhou, Fujian 350025, P.R. China
| | - Wenzheng Fang
- Department of Medical Oncology, Fuzhou General Hospital of Fujian Medical University, East Hospital Affiliated to Xiamen University (The 900th Hospital of The Joint Logistics Support Force of The Chinese PLA), Dongfang Hospital, Xiamen University, Fuzhou, Fujian 350025, P.R. China
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Liu L, Zheng J, Zhou M, Li S, He G, Wu J. Peptide Analogues of VPP and IPP with Improved Glucose Uptake Activity in L6 Myotubes can be Released from Cereal Proteins. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:2875-2883. [PMID: 33645989 DOI: 10.1021/acs.jafc.1c00587] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
VPP (Val-Pro-Pro) and IPP (Ile-Pro-Pro) are two famous antihypertensive peptides with possible benefits for type 2 diabetes mellitus (T2DM). The study was aimed to investigate the effect of peptide analogues of VPP and IPP on glucose uptake activity in L6 myotubes. The analogues were designed by replacing the N-terminal, middle, or C-terminal amino acid residues of VPP and IPP with one amino acid at a time from five amino acid groups (polar, nonpolar, basic, acidic, and aromatic amino acids). Among 26 tripeptides tested, IQP, IPQ, VPE, and VEP showed significantly higher glucose uptake activity than their parent peptides, and all were successfully released from rice proteins at the contents of 5415.82 ± 63.34, 1586.77 ± 14.94, 354.07 ± 6.56, and 596.10 ± 2.32 ng/mg dry basis, respectively, and quantified by liquid chromatography-mass spectrometry (MS)/MS using multiple reaction monitoring. All four peptides were shown to promote glucose uptake via the adenosine monophosphate-activated protein kinase pathway accompanied by glucose transporter type 4 (Glut4) translocation rather than the insulin signaling pathway.
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Affiliation(s)
- Ling Liu
- Zhejiang Key Laboratory for Agro-Food Processing, College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China
| | - Jiexia Zheng
- Zhejiang Key Laboratory for Agro-Food Processing, College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China
| | - Mengjie Zhou
- Zhejiang Key Laboratory for Agro-Food Processing, College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China
| | - Shanshan Li
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Guoqing He
- Zhejiang Key Laboratory for Agro-Food Processing, College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China
| | - Jianping Wu
- Department of Agricultural, Food and Nutritional Science, University of Alberta, 4-10 Ag/For Building, Edmonton, Alberta T6G 2P5, Canada
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D’Souza K, Mercer A, Mawhinney H, Pulinilkunnil T, Udenigwe CC, Kienesberger PC. Whey Peptides Stimulate Differentiation and Lipid Metabolism in Adipocytes and Ameliorate Lipotoxicity-Induced Insulin Resistance in Muscle Cells. Nutrients 2020; 12:nu12020425. [PMID: 32041341 PMCID: PMC7071342 DOI: 10.3390/nu12020425] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 01/30/2020] [Accepted: 02/01/2020] [Indexed: 12/13/2022] Open
Abstract
Deregulation of lipid metabolism and insulin function in muscle and adipose tissue are hallmarks of systemic insulin resistance, which can progress to type 2 diabetes. While previous studies suggested that milk proteins influence systemic glucose homeostasis and insulin function, it remains unclear whether bioactive peptides generated from whey alter lipid metabolism and its accumulation in muscle and adipose tissue. Therefore, we incubated murine 3T3-L1 preadipocytes and C2C12 myotubes with a whey peptide mixture produced through pepsin-pancreatin digestion, mimicking peptides generated in the gut from whey protein hydrolysis, and examined its effect on indicators of lipid metabolism and insulin sensitivity. Whey peptides, particularly those derived from bovine serum albumin (BSA), promoted 3T3-L1 adipocyte differentiation and triacylglycerol (TG) accumulation in accordance with peroxisome proliferator-activated receptor γ (PPARγ) upregulation. Whey/BSA peptides also increased lipolysis and mitochondrial fat oxidation in adipocytes, which was associated with the upregulation of peroxisome proliferator-activated receptor δ (PPARδ). In C2C12 myotubes, whey but not BSA peptides ameliorated palmitate-induced insulin resistance, which was associated with reduced inflammation and diacylglycerol accumulation, and increased sequestration of fatty acids in the TG pool. Taken together, our study suggests that whey peptides generated via pepsin-pancreatin digestion profoundly alter lipid metabolism and accumulation in adipocytes and skeletal myotubes.
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Affiliation(s)
- Kenneth D’Souza
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, Dalhousie University, Dalhousie Medicine, Saint John, NB E2L 4L5 Canada (A.M.); (T.P.)
| | - Angella Mercer
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, Dalhousie University, Dalhousie Medicine, Saint John, NB E2L 4L5 Canada (A.M.); (T.P.)
| | - Hannah Mawhinney
- Department of Plant, Food, and Environmental Sciences, Faculty of Agriculture, Dalhousie University, Truro, NS B2N 5E3, Canada;
| | - Thomas Pulinilkunnil
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, Dalhousie University, Dalhousie Medicine, Saint John, NB E2L 4L5 Canada (A.M.); (T.P.)
| | - Chibuike C. Udenigwe
- School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, ON K1H 8M5, Canada
| | - Petra C. Kienesberger
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, Dalhousie University, Dalhousie Medicine, Saint John, NB E2L 4L5 Canada (A.M.); (T.P.)
- Correspondence: ; Tel.: +1-506-636-6971
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Vahdatpour T, Nokhodchi A, Zakeri‐Milani P, Mesgari‐Abbasi M, Ahmadi‐Asl N, Valizadeh H. Leucine-glycine and carnosine dipeptides prevent diabetes induced by multiple low-doses of streptozotocin in an experimental model of adult mice. J Diabetes Investig 2019; 10:1177-1188. [PMID: 30710452 PMCID: PMC6717823 DOI: 10.1111/jdi.13018] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 01/29/2019] [Accepted: 01/29/2019] [Indexed: 01/01/2023] Open
Abstract
AIMS/INTRODUCTION Peptides are considered to be quasi-hormones and effective molecules for regulation of the cells function and prevention of metabolic disorders. Di- and tripeptides gastrointestinal absorption ability have been proposed to prevent diabetes progression. MATERIALS AND METHODS Small peptides with different sequences of specific amino acids were synthesized based on a solid phase peptide synthesis protocol, and carnosine (A) and glutathione were examined for the prevention of diabetes induced by multiple low-doses of streptozotocin in mice. RESULTS The peptides A, Leu-Gly (D) and Pro-Pro showed preventive effects on blood glucose elevation and impairment of the signaling and performance of β-cells. The β-cell function assessed by immunofluorescence and blood glucose level in mice exposed to diabetes treated by the peptides A and D was similar to the normal mice. The peptide D prevented bodyweight loss caused by diabetes induction. The use of D and A peptides dramatically prevented the incidence of disruption in β-cells signaling by maintaining the natural balance of intracellular Akt-2 and cyclic adenosine monophosphate. CONCLUSIONS The results proved that peptide D (Leu-Gly), named Hannaneh, inhibits the bodyweight loss caused by diabetes induction. The Hannaneh and carnosine dipeptides, with preservation of normal β-cell signaling and anti dipeptidyl peptidase-4 activity, prevented blood glucose increases in mice at risk of diabetes. These dipeptides might be regarded as the pharmaceutical agents for the prevention of diabetes.
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Affiliation(s)
- Tohid Vahdatpour
- Drug Applied Research CenterTabriz University of Medical SciencesTabrizIran
- Department of PhysiologyFaculty of Animal and Veterinary SciencesShabestar Branch, Islamic Azad UniversityShabestarIran
| | - Ali Nokhodchi
- Pharmaceutics Research LaboratorySchool of Life SciencesUniversity of SussexBrightonUK
| | - Parvin Zakeri‐Milani
- Liver and Gastrointestinal Diseases Research CenterTabriz University of Medical SciencesTabrizIran
- Department of PharmaceuticsFaculty of PharmacyTabriz University of Medical SciencesTabrizIran
| | | | - Naser Ahmadi‐Asl
- Drug Applied Research CenterTabriz University of Medical SciencesTabrizIran
- Department of PhysiologyFaculty of MedicineTabriz University of Medical SciencesTabrizIran
| | - Hadi Valizadeh
- Drug Applied Research CenterTabriz University of Medical SciencesTabrizIran
- Department of PharmaceuticsFaculty of PharmacyTabriz University of Medical SciencesTabrizIran
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Lima RDCL, Berg RS, Rønning SB, Afseth NK, Knutsen SH, Staerk D, Wubshet SG. Peptides from chicken processing by-product inhibit DPP-IV and promote cellular glucose uptake: potential ingredients for T2D management. Food Funct 2019; 10:1619-1628. [PMID: 30821796 DOI: 10.1039/c8fo02450b] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Inhibition of dipeptidyl peptidase IV (DPP-IV) and stimulation of muscle glucose uptake are two of the key strategies for management of type-2-diabetes (T2D). In the present study, four protein hydrolysates generated by enzymatic hydrolysis of chicken by-product, i.e., mechanical chicken deboning residue, were evaluated for their DPP-IV inhibitory activity as well as their effect on glucose uptake by skeletal muscle cells. The DPP-IV inhibitory assay was performed at two concentrations (1000 μg mL-1 and 10 μg mL-1) for the crude chicken protein hydrolysates. The hydrolysate with the highest DPP-IV inhibition was selected for preparative-scale fractionation using size-exclusion chromatography (SEC). The SEC fractions were tested for DPP-IV inhibitory activity as well as their effect on glucose uptake and metabolic activity of skeletal muscle cells. The muscle cells were treated with the SEC fractions and glucose uptake was measured based on luminescence detection of 2-deoxyglucose-6-phosphate (2DG6P). A fraction with peptides in the lower molecular weight range was shown to promote glucose uptake and to inhibit DPP-IV. Further chromatographic fractionation followed by inhibition assaying of the most potent SEC fraction led to isolation of five refined peptide fractions with more than 80% DPP-IV inhibition, which were subsequently analyzed with LC-HRMS/MS. This led to identification of 14 peptides as potential DPP-IV inhibitors from protein hydrolysates of mechanical chicken deboning residue.
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13
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Affiliation(s)
- Weilin Shen
- Division of Bioscience and Biotechnology Faculty of Agriculture Graduate School of Kyushu University 744 Motooka Nishi‐ku Fukuoka 819‐0395 Japan
| | - Toshiro Matsui
- Division of Bioscience and Biotechnology Faculty of Agriculture Graduate School of Kyushu University 744 Motooka Nishi‐ku Fukuoka 819‐0395 Japan
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14
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Li S, Liu L, He G, Wu J. Molecular targets and mechanisms of bioactive peptides against metabolic syndromes. Food Funct 2018; 9:42-52. [PMID: 29188845 DOI: 10.1039/c7fo01323j] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Bioactive peptides are present in all living organisms and have critical roles ranging from protection against infection as the key element of innate immunity, regulating blood pressure and glucose levels, to reducing signs of ageing by killing senescent cells. Bioactive peptides are also encrypted within food protein sequences that can be released during proteolysis or food processing. These specific food protein fragments are reported to have potential for improving human health and preventing metabolic diseases through their impact on inflammation, blood pressure, obesity, and type-2 diabetes. This review mainly focuses on the molecular targets and the underlying mechanisms of bioactive peptides against various metabolic syndromes including inflammation, high blood pressure, obesity, and type-2 diabetes, to provide new insights and perspectives on the potential of bioactive peptides for management of metabolic syndromes.
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Affiliation(s)
- Shanshan Li
- College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China
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15
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Matsunaga Y, Sakata Y, Yago T, Nakamura H, Shimizu T, Takeda Y. Effects of Glucose with Casein Peptide Supplementation on Post-Exercise Muscle Glycogen Resynthesis in C57BL/6J Mice. Nutrients 2018; 10:nu10060753. [PMID: 29891805 PMCID: PMC6024860 DOI: 10.3390/nu10060753] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 06/06/2018] [Accepted: 06/08/2018] [Indexed: 11/16/2022] Open
Abstract
Numerous studies have reported that post-exercise ingestion of carbohydrates with protein supplementation can enhance glycogen recovery. However, few reports have focused on the degrees of degradation of the ingested proteins due to post-exercise glycogen resynthesis. Accordingly, the aim of this study was to clarify the effects of differences in protein degradation on muscle glycogen recovery. Male seven-week-old C57BL/6J mice performed a single bout of 60-min treadmill running exercise and were then orally administered glucose (Glu; 1.5 mg/g body weight (BW)), glucose with casein peptide (Glu + Pep; 1.5 + 0.5 mg/g BW) or its constituent amino acid mixture (Glu + AA; 1.5 + 0.5 mg/g BW). At 120 min after supplementation, the soleus muscle glycogen content in the Glu and Glu + AA groups was significantly higher than that immediately after exercise; however, no such difference was observed in the Glu + Pep group. Blood substrate concentration and insulin signaling did not differ among the three groups. Furthermore, energy expenditure during the recovery period in the Glu + Pep group was significantly higher than that in the Glu and Glu + AA groups. These findings suggest that post-exercise co-ingestion of glucose and casein peptide might delay glycogen resynthesis, at least in part through increased energy expenditure caused by casein peptide ingestion.
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Affiliation(s)
- Yutaka Matsunaga
- Wellness & Nutrition Science Institute, Morinaga Milk Industry Co., Ltd., 1-83-5 Higashihara, Zama-City 252-8583, Kanagawa Prefecture, Japan.
| | - Yasuyuki Sakata
- Wellness & Nutrition Science Institute, Morinaga Milk Industry Co., Ltd., 1-83-5 Higashihara, Zama-City 252-8583, Kanagawa Prefecture, Japan.
| | - Takumi Yago
- Wellness & Nutrition Science Institute, Morinaga Milk Industry Co., Ltd., 1-83-5 Higashihara, Zama-City 252-8583, Kanagawa Prefecture, Japan.
| | - Hirohiko Nakamura
- Wellness & Nutrition Science Institute, Morinaga Milk Industry Co., Ltd., 1-83-5 Higashihara, Zama-City 252-8583, Kanagawa Prefecture, Japan.
| | - Takashi Shimizu
- Wellness & Nutrition Science Institute, Morinaga Milk Industry Co., Ltd., 1-83-5 Higashihara, Zama-City 252-8583, Kanagawa Prefecture, Japan.
| | - Yasuhiro Takeda
- Wellness & Nutrition Science Institute, Morinaga Milk Industry Co., Ltd., 1-83-5 Higashihara, Zama-City 252-8583, Kanagawa Prefecture, Japan.
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16
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Shen W, Matsui T. Current knowledge of intestinal absorption of bioactive peptides. Food Funct 2018; 8:4306-4314. [PMID: 29139513 DOI: 10.1039/c7fo01185g] [Citation(s) in RCA: 84] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Peptides have been demonstrated as potentially beneficial compounds against several life-style related diseases such as hypertension, hypercholesterolemia, and atherosclerosis, among others. However, limited research has been carried out on peptide absorption, resulting in a lack of understanding and control of this process. Therefore, this review discusses the recent insights gathered on in vitro and in vivo absorption of peptides across intestinal membranes, into blood circulation. Briefly, some di-/tripeptides permeate through intestinal membranes in their intact forms via peptide transporter systems, while others are vulnerable to protease degradation. Oligopeptides (>tetrapeptides) show a lower transport ability than di-/tripeptides, possibly due to the presence of paracellular tight junctions. The hydrophobicity of peptides (log P) does not seem to influence absorption, while peptide length and degradation of peptides (and peptide sequences) by intestinal proteases may be determinant factors of the absorption process.
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Affiliation(s)
- Weilin Shen
- Faculty of Agriculture, Graduate School of Kyushu University, Fukuoka 812-8581, Japan.
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17
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Affiliation(s)
- Toshiro Matsui
- Faculty of Agriculture, Graduate School of Kyushu University , 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan
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18
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Matsunaga Y, Tamura Y, Sakata Y, Nonaka Y, Saito N, Nakamura H, Shimizu T, Takeda Y, Terada S, Hatta H. Comparison between pre-exercise casein peptide and intact casein supplementation on glucose tolerance in mice fed a high-fat diet. Appl Physiol Nutr Metab 2017; 43:355-362. [PMID: 29091740 DOI: 10.1139/apnm-2017-0485] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
We hypothesized that along with exercise, casein peptide supplementation would have a higher impact on improving glucose tolerance than intact casein. Male 6-week-old ICR mice were provided a high-fat diet to induce obesity and glucose intolerance. The mice were randomly divided into 4 treatment groups: control (Con), endurance training (Tr), endurance training with intact casein supplementation (Cas+Tr), and endurance training with casein peptide supplementation (CP+Tr). The mice in each group were orally administrated water, intact casein, or casein peptide (1.0 mg/g body weight, every day), and then subjected to endurance training (15-25 m/min, 60 min, 5 times/week for 4 weeks) on a motor-driven treadmill 30 min after ingestion. Our results revealed that total intra-abdominal fat was significantly lower in CP+Tr than in Con (p < 0.05). Following an oral glucose tolerance test, the blood glucose area under the curve (AUC) was found to be significantly smaller for CP+Tr than for Con (p < 0.05). Moreover, in the soleus muscle, glucose transporter 4 (GLUT4) protein levels were significantly higher in CP+Tr than in Con (p < 0.01). However, intra-abdominal fat, blood glucose AUC, and GLUT4 protein content in the soleus muscle did not alter in Tr and Cas+Tr when compared with Con. These observations suggest that pre-exercise casein peptide supplementation has a higher effect on improving glucose tolerance than intact casein does in mice fed a high-fat diet.
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Affiliation(s)
- Yutaka Matsunaga
- a Wellness & Nutrition Science Institute, Morinaga Milk Industry Co. Ltd., 5-1-83, Higashihara, Zama, Kanagawa, 252-8583, Japan.,b Department of Sports Sciences, The University of Tokyo, 3-8-1, Komaba, Meguro-ku, Tokyo, 153-8902, Japan
| | - Yuki Tamura
- b Department of Sports Sciences, The University of Tokyo, 3-8-1, Komaba, Meguro-ku, Tokyo, 153-8902, Japan
| | - Yasuyuki Sakata
- a Wellness & Nutrition Science Institute, Morinaga Milk Industry Co. Ltd., 5-1-83, Higashihara, Zama, Kanagawa, 252-8583, Japan
| | - Yudai Nonaka
- b Department of Sports Sciences, The University of Tokyo, 3-8-1, Komaba, Meguro-ku, Tokyo, 153-8902, Japan
| | - Noriko Saito
- a Wellness & Nutrition Science Institute, Morinaga Milk Industry Co. Ltd., 5-1-83, Higashihara, Zama, Kanagawa, 252-8583, Japan
| | - Hirohiko Nakamura
- a Wellness & Nutrition Science Institute, Morinaga Milk Industry Co. Ltd., 5-1-83, Higashihara, Zama, Kanagawa, 252-8583, Japan
| | - Takashi Shimizu
- a Wellness & Nutrition Science Institute, Morinaga Milk Industry Co. Ltd., 5-1-83, Higashihara, Zama, Kanagawa, 252-8583, Japan
| | - Yasuhiro Takeda
- a Wellness & Nutrition Science Institute, Morinaga Milk Industry Co. Ltd., 5-1-83, Higashihara, Zama, Kanagawa, 252-8583, Japan
| | - Shin Terada
- b Department of Sports Sciences, The University of Tokyo, 3-8-1, Komaba, Meguro-ku, Tokyo, 153-8902, Japan
| | - Hideo Hatta
- b Department of Sports Sciences, The University of Tokyo, 3-8-1, Komaba, Meguro-ku, Tokyo, 153-8902, Japan
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19
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Lee YG, Cho JY, Hwang EJ, Jeon TI, Moon JH. Glu-Phe from onion (Allium Cepa L.) attenuates lipogenesis in hepatocytes. Biosci Biotechnol Biochem 2017; 81:1409-1416. [PMID: 28345482 DOI: 10.1080/09168451.2017.1303358] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
A Glu-Phe (EF) was isolated from onion (Allium cepa L. cv. Sunpower). The chemical structure of EF was determined by nuclear magnetic resonance and electrospray ionization-mass (ESI-MS) spectroscopy. We showed that EF reduced lipid accumulation in mouse hepatocytes by inhibiting the expression of sterol regulatory element-binding protein-1c (SREBP-1c) and its lipogenic target genes. We also found that AMP-activated protein kinase (AMPK) was required for the inhibitory effect of EF on lipid accumulation in mouse hepatocytes. Furthermore, EF was qualified in nine onion cultivars by selective multiple reaction-monitoring detection of liquid chromatography-ESI-MS. These results suggest that EF could contribute to the beneficial effect of onion supplement in maintaining hepatic lipid homeostasis.
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Affiliation(s)
- Yu Geon Lee
- a Department of Food Science and Technology and Functional Food Research Center, BK21 Plus Program , Chonnam National University , Gwangju , South Korea
| | - Jeong-Yong Cho
- b Bioenergy Crop Research Center , National Institute of Crop Science, Rural Development Administration , Muan , South Korea
| | - Eom Ji Hwang
- b Bioenergy Crop Research Center , National Institute of Crop Science, Rural Development Administration , Muan , South Korea
| | - Tae-Il Jeon
- c Department of Animal Science , Chonnam National University , Gwangju , South Korea
| | - Jae-Hak Moon
- a Department of Food Science and Technology and Functional Food Research Center, BK21 Plus Program , Chonnam National University , Gwangju , South Korea
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20
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Sung MM, Byrne NJ, Robertson IM, Kim TT, Samokhvalov V, Levasseur J, Soltys CL, Fung D, Tyreman N, Denou E, Jones KE, Seubert JM, Schertzer JD, Dyck JRB. Resveratrol improves exercise performance and skeletal muscle oxidative capacity in heart failure. Am J Physiol Heart Circ Physiol 2017; 312:H842-H853. [PMID: 28159807 DOI: 10.1152/ajpheart.00455.2016] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Revised: 01/18/2017] [Accepted: 01/30/2017] [Indexed: 12/19/2022]
Abstract
We investigated whether treatment of mice with established pressure overload-induced heart failure (HF) with the naturally occurring polyphenol resveratrol could improve functional symptoms of clinical HF such as fatigue and exercise intolerance. C57Bl/6N mice were subjected to either sham or transverse aortic constriction surgery to induce HF. Three weeks postsurgery, a cohort of mice with established HF (%ejection fraction <45) was administered resveratrol (~450 mg·kg-1·day-1) or vehicle for 2 wk. Although the percent ejection fraction was similar between both groups of HF mice, those mice treated with resveratrol had increased total physical activity levels and exercise capacity. Resveratrol treatment was associated with altered gut microbiota composition, increased skeletal muscle insulin sensitivity, a switch toward greater whole body glucose utilization, and increased basal metabolic rates. Although muscle mass and strength were not different between groups, mice with HF had significant declines in basal and ADP-stimulated O2 consumption in isolated skeletal muscle fibers compared with sham mice, which was completely normalized by resveratrol treatment. Overall, resveratrol treatment of mice with established HF enhances exercise performance, which is associated with alterations in whole body and skeletal muscle energy metabolism. Thus, our preclinical data suggest that resveratrol supplementation may effectively improve fatigue and exercise intolerance in HF patients.NEW & NOTEWORTHY Resveratrol treatment of mice with heart failure leads to enhanced exercise performance that is associated with altered gut microbiota composition, increased whole body glucose utilization, and enhanced skeletal muscle metabolism and function. Together, these preclinical data suggest that resveratrol supplementation may effectively improve fatigue and exercise intolerance in heart failure via these mechanisms.
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Affiliation(s)
- Miranda M Sung
- Faculty of Medicine and Dentistry, Department of Pediatrics, Cardiovascular Research Centre, Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada
| | - Nikole J Byrne
- Faculty of Medicine and Dentistry, Department of Pediatrics, Cardiovascular Research Centre, Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada
| | - Ian M Robertson
- Faculty of Medicine and Dentistry, Department of Pediatrics, Cardiovascular Research Centre, Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada
| | - Ty T Kim
- Faculty of Medicine and Dentistry, Department of Pediatrics, Cardiovascular Research Centre, Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada
| | - Victor Samokhvalov
- Faculty of Pharmacy & Pharmaceutical Sciences, Cardiovascular Research Centre, University of Alberta, Edmonton, Alberta, Canada
| | - Jody Levasseur
- Alberta Heart Failure Etiology and Analysis Research Team, Alberta Heritage Foundation for Medical Research Interdisciplinary Team Grant, Edmonton, Alberta, Canada
| | - Carrie-Lynn Soltys
- Faculty of Medicine and Dentistry, Department of Pediatrics, Cardiovascular Research Centre, Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada
| | - David Fung
- Faculty of Medicine and Dentistry, Department of Pediatrics, Cardiovascular Research Centre, Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada
| | - Neil Tyreman
- Department of Physical Education, University of Alberta, Edmonton, Alberta, Canada; and
| | - Emmanuel Denou
- Department of Biochemistry and Biomedical Sciences and Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, Ontario, Canada
| | - Kelvin E Jones
- Department of Physical Education, University of Alberta, Edmonton, Alberta, Canada; and
| | - John M Seubert
- Faculty of Pharmacy & Pharmaceutical Sciences, Cardiovascular Research Centre, University of Alberta, Edmonton, Alberta, Canada
| | - Jonathan D Schertzer
- Department of Biochemistry and Biomedical Sciences and Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, Ontario, Canada
| | - Jason R B Dyck
- Faculty of Medicine and Dentistry, Department of Pediatrics, Cardiovascular Research Centre, Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada; .,Alberta Heart Failure Etiology and Analysis Research Team, Alberta Heritage Foundation for Medical Research Interdisciplinary Team Grant, Edmonton, Alberta, Canada
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21
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Tanaka M. Study on the Physiological Benefits of Food Compounds on Vascular Health and Their Underlying Mechanisms. J JPN SOC FOOD SCI 2017. [DOI: 10.3136/nskkk.64.285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Mitsuru Tanaka
- Faculty of Agriculture, Graduate School of Kyushu University
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22
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Di- and tripeptide transport in vertebrates: the contribution of teleost fish models. J Comp Physiol B 2016; 187:395-462. [PMID: 27803975 DOI: 10.1007/s00360-016-1044-7] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Revised: 10/12/2016] [Accepted: 10/20/2016] [Indexed: 02/06/2023]
Abstract
Solute Carrier 15 (SLC15) family, alias H+-coupled oligopeptide cotransporter family, is a group of membrane transporters known for their role in the cellular uptake of di- and tripeptides (di/tripeptides) and peptide-like molecules. Of its members, SLC15A1 (PEPT1) chiefly mediates intestinal absorption of luminal di/tripeptides from dietary protein digestion, while SLC15A2 (PEPT2) mainly allows renal tubular reabsorption of di/tripeptides from ultrafiltration, SLC15A3 (PHT2) and SLC15A4 (PHT1) possibly interact with di/tripeptides and histidine in certain immune cells, and SLC15A5 has unknown function. Our understanding of this family in vertebrates has steadily increased, also due to the surge of genomic-to-functional information from 'non-conventional' animal models, livestock, poultry, and aquaculture fish species. Here, we review the literature on the SLC15 transporters in teleost fish with emphasis on SLC15A1 (PEPT1), one of the solute carriers better studied amongst teleost fish because of its relevance in animal nutrition. We report on the operativity of the transporter, the molecular diversity, and multiplicity of structural-functional solutions of the teleost fish orthologs with respect to higher vertebrates, its relevance at the intersection of the alimentary and osmoregulative functions of the gut, its response under various physiological states and dietary solicitations, and its possible involvement in examples of total body plasticity, such as growth and compensatory growth. By a comparative approach, we also review the few studies in teleost fish on SLC15A2 (PEPT2), SLC15A4 (PHT1), and SLC15A3 (PHT2). By representing the contribution of teleost fish to the knowledge of the physiology of di/tripeptide transport and transporters, we aim to fill the gap between higher and lower vertebrates.
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23
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Kitakaze T, Sakamoto T, Kitano T, Inoue N, Sugihara F, Harada N, Yamaji R. The collagen derived dipeptide hydroxyprolyl-glycine promotes C2C12 myoblast differentiation and myotube hypertrophy. Biochem Biophys Res Commun 2016; 478:1292-7. [PMID: 27553280 DOI: 10.1016/j.bbrc.2016.08.114] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Accepted: 08/19/2016] [Indexed: 01/21/2023]
Abstract
The majority of studies on possible roles for collagen hydrolysates in human health have focused on their effects on bone and skin. Hydroxyprolyl-glycine (Hyp-Gly) was recently identified as a novel collagen hydrolysate-derived dipeptide in human blood. However, any possible health benefits of Hyp-Gly remain unclear. Here, we report the effects of Hyp-Gly on differentiation and hypertrophy of murine skeletal muscle C2C12 cells. Hyp-Gly increased the fusion index, the myotube size, and the expression of the myotube-specific myosin heavy chain (MyHC) and tropomyosin structural proteins. Hyp-Gly increased the phosphorylation of Akt, mTOR, and p70S6K in myoblasts, whereas the phosphatidylinositol 3-kinase (PI3K) inhibitor LY294002 inhibited their phosphorylation by Hyp-Gly. LY294002 and the mammalian target of rapamycin (mTOR) inhibitor rapamycin repressed the enhancing effects of Hyp-Gly on MyHC and tropomyosin expression. The peptide/histidine transporter 1 (PHT1) was highly expressed in both myoblasts and myotubes, and co-administration of histidine inhibited Hyp-Gly-induced phosphorylation of p70S6K in myoblasts and myotubes. These results indicate that Hyp-Gly can induce myogenic differentiation and myotube hypertrophy and suggest that Hyp-Gly promotes myogenic differentiation by activating the PI3K/Akt/mTOR signaling pathway, perhaps depending on PHT1 for entry into cells.
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Affiliation(s)
- Tomoya Kitakaze
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 5998531, Japan
| | - Tomotaka Sakamoto
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 5998531, Japan
| | - Takehiro Kitano
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 5998531, Japan
| | - Naoki Inoue
- Nitta Gelatin Inc., Peptide Division, 2-22 Futamata, Yao, Osaka, 5810024, Japan
| | - Fumihito Sugihara
- Nitta Gelatin Inc., Peptide Division, 2-22 Futamata, Yao, Osaka, 5810024, Japan
| | - Naoki Harada
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 5998531, Japan
| | - Ryoichi Yamaji
- Division of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 5998531, Japan.
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24
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Hong SM, Tanaka M, Koyanagi R, Shen W, Matsui T. Structural Design of Oligopeptides for Intestinal Transport Model. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:2072-2079. [PMID: 26924013 DOI: 10.1021/acs.jafc.6b00279] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Glycyl-sarcosine (Gly-Sar) is a well-known model substrate for the intestinal uptake of dipeptides through peptide transporter 1 (PepT1). However, there are no other model peptides larger than tripeptides to evaluate their intestinal transport ability. In this study, we designed new oligopeptides based on the Gly-Sar structure in terms of protease resistance. Gly-Sar-Sar was found to be an appropriate transport model for tripeptides because it does not degrade during the transport across the rat intestinal membrane, while Gly-Gly-Sar was degraded to Gly-Sar during the 60 min transport. Caco-2 cell transport experiments revealed that the designed oligopeptides based on Gly-Sar-Sar showed a significantly (p < 0.05) lower transport ability by factors of 1/10-, 1/25-, and 1/40-fold for Gly-Sar-Sar, Gly-Sar-Sar-Sar, and Gly-Sar-Sar-Sar-Sar, respectively, compared to Gly-Sar (apparent permeability coefficient: 38.6 ± 11.4 cm/s). Cell experiments also showed that the designed tripeptide and Gly-Sar were transported across Caco-2 cell via PepT1, whereas the tetra- and pentapeptides were transported through the paracellular tight-junction pathway.
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Affiliation(s)
- Seong-Min Hong
- Division of Bioresources and Bioenvironmental Sciences, Faculty of Agriculture, Graduate School, Kyushu University , 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan
| | - Mitsuru Tanaka
- Division of Bioresources and Bioenvironmental Sciences, Faculty of Agriculture, Graduate School, Kyushu University , 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan
| | - Riho Koyanagi
- Division of Bioresources and Bioenvironmental Sciences, Faculty of Agriculture, Graduate School, Kyushu University , 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan
| | - Weilin Shen
- Division of Bioresources and Bioenvironmental Sciences, Faculty of Agriculture, Graduate School, Kyushu University , 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan
| | - Toshiro Matsui
- Division of Bioresources and Bioenvironmental Sciences, Faculty of Agriculture, Graduate School, Kyushu University , 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan
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25
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Matsui T. Condensed catechins and their potential health-benefits. Eur J Pharmacol 2015; 765:495-502. [PMID: 26386288 DOI: 10.1016/j.ejphar.2015.09.017] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Revised: 09/02/2015] [Accepted: 09/14/2015] [Indexed: 01/05/2023]
Abstract
Condensed catechins are commonly present in fermented tea, and are produced by the oxidation of monomeric catechins. Due to their auto-oxidation, catechins have diverse structural features, including different binding modes and degrees of polymerization. Because of their structural complexity, their physiological functions and possible health-benefits have not yet been fully investigated. This review focuses on the physiological potentials of dimeric and trimeric catechins in the intestine (regulation of absorption across the intestinal membrane), blood vessels (vasorelaxation in vessel regulation), and muscle organs (promotion of glucose uptake resulting in an anti-diabetic effect). Furthermore, the roles of non-absorbable theaflavins (dimeric catechins), absorbable theasinensins (dimeric catechins), and absorbable procyanidins (dimeric and trimeric catechins) on target organs are discussed.
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Affiliation(s)
- Toshiro Matsui
- Division of Bioresources and Biosciences, Faculty of Agriculture, Graduate School of Kyushu University, 6-10-1 Hakozaki, Fukuoka 812-8581, Japan.
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26
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Tanaka M, Hong SM, Akiyama S, Hu QQ, Matsui T. Visualized absorption of anti-atherosclerotic dipeptide, Trp-His, in Sprague-Dawley rats by LC-MS and MALDI-MS imaging analyses. Mol Nutr Food Res 2015; 59:1541-9. [DOI: 10.1002/mnfr.201500075] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2015] [Revised: 03/19/2015] [Accepted: 03/20/2015] [Indexed: 12/13/2022]
Affiliation(s)
- Mitsuru Tanaka
- Faculty of Agriculture; Graduate School of Kyushu University; Fukuoka Japan
| | - Seong-Min Hong
- Faculty of Agriculture; Graduate School of Kyushu University; Fukuoka Japan
| | - Sayaka Akiyama
- Faculty of Agriculture; Graduate School of Kyushu University; Fukuoka Japan
| | - Qing-Qiang Hu
- Faculty of Agriculture; Graduate School of Kyushu University; Fukuoka Japan
| | - Toshiro Matsui
- Faculty of Agriculture; Graduate School of Kyushu University; Fukuoka Japan
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27
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Ayabe T, Mizushige T, Ota W, Kawabata F, Hayamizu K, Han L, Tsuji T, Kanamoto R, Ohinata K. A novel Alaska pollack-derived peptide, which increases glucose uptake in skeletal muscle cells, lowers the blood glucose level in diabetic mice. Food Funct 2015; 6:2749-57. [DOI: 10.1039/c5fo00401b] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
We found that the tryptic digest of Alaska pollack protein (APP) and novel APP-derived peptide exhibited a glucose-lowering effect in KK-Ay mice, a type II diabetic mice.
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Affiliation(s)
- Tatsuhiro Ayabe
- Division of Food Science and Biotechnology
- Graduate School of Agriculture
- Kyoto University
- Kyoto 611-0011
- Japan
| | - Takafumi Mizushige
- Division of Food Science and Biotechnology
- Graduate School of Agriculture
- Kyoto University
- Kyoto 611-0011
- Japan
| | - Wakana Ota
- Division of Food Science and Biotechnology
- Graduate School of Agriculture
- Kyoto University
- Kyoto 611-0011
- Japan
| | | | | | - Li Han
- Human Life Science R&D Center
- Nippon Suisan Kaisha Ltd
- Tokyo
- Japan
| | - Tomoko Tsuji
- Human Life Science R&D Center
- Nippon Suisan Kaisha Ltd
- Tokyo
- Japan
| | - Ryuhei Kanamoto
- Division of Food Science and Biotechnology
- Graduate School of Agriculture
- Kyoto University
- Kyoto 611-0011
- Japan
| | - Kousaku Ohinata
- Division of Food Science and Biotechnology
- Graduate School of Agriculture
- Kyoto University
- Kyoto 611-0011
- Japan
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28
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GUO J, SAIKI T, THANUTCHAPORN K, LIU W, SHIMURA A, MATSUI T. Elution Profile of Di-peptides on a Sulfonated Ethylstyrene–Divinylbenzene Copolymer Resin Column by High-performance Liquid Chromatography. ANAL SCI 2015; 31:45-50. [DOI: 10.2116/analsci.31.45] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Jian GUO
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University
| | - Tomomi SAIKI
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University
| | - Kumrungsee THANUTCHAPORN
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University
| | - Wanying LIU
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University
| | - Akihiro SHIMURA
- Separation Materials Laboratories, R&D Center, Kurosaki Plant, Mitsubishi Chemical Corp
| | - Toshiro MATSUI
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University
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