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Li Y, Wu F, Zhang J, Xu Y, Chang H, Yu Y, Jiang C, Gao X, Liu H, Chen Z, Wu C, Li JA. Mechanisms of Action of Potentilla discolor Bunge in Type 2 Diabetes Mellitus Based on Network Pharmacology and Experimental Verification in Drosophila. Drug Des Devel Ther 2024; 18:747-766. [PMID: 38495630 PMCID: PMC10941989 DOI: 10.2147/dddt.s439876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 03/07/2024] [Indexed: 03/19/2024] Open
Abstract
Purpose Type 2 diabetes mellitus (T2DM) is associated with reduced insulin uptake and glucose metabolic capacity. Potentilla discolor Bunge (PDB) has been used to treat T2DM; however, the fundamental biological mechanisms remain unclear. This study aimed to understand the active ingredients, potential targets, and underlying mechanisms through which PDB treats T2DM. Methods Components and action targets were predicted using network pharmacology and molecular docking analyses. PDB extracts were prepared and validated through pharmacological intervention in a Cg>InRK1409A diabetes Drosophila model. Network pharmacology and molecular docking analyses were used to identify the key components and core targets of PDB in the treatment of T2DM, which were subsequently verified in animal experiments. Results Network pharmacology analysis revealed five effective compounds made up of 107 T2DM-related therapeutic targets and seven protein-protein interaction network core molecules. Molecular docking results showed that quercetin has a strong preference for interleukin-1 beta (IL1B), IL6, RAC-alpha serine/threonine-protein kinase 1 (AKT1), and cellular tumor antigen p53; kaempferol exhibited superior binding to tumor necrosis factor and AKT1; β-sitosterol demonstrated pronounced binding to Caspase-3 (CASP3). High-performance liquid chromatography data quantified quercetin, kaempferol, and β-sitosterol at proportions of 0.030%, 0.025%, and 0.076%, respectively. The animal experiments revealed that PDB had no effect on the development, viability, or fertility of Drosophila and it ameliorated glycolipid metabolism disorders in the diabetes Cg>InRK1409A fly. Furthermore, PDB improved the body size and weight of Drosophila, suggesting its potential to alleviate insulin resistance. Moreover, PDB improved Akt phosphorylation and suppressed CASP3 activity to improve insulin resistance in Drosophila with T2DM. Conclusion Our findings suggest that PDB ameliorates diabetes metabolism disorders in the fly model by enhancing Akt activity and suppressing CASP3 expression. This will facilitate the development of key drug targets and a potential therapeutic strategy for the clinical treatment of T2DM and related metabolic diseases.
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Affiliation(s)
- Yinghong Li
- Hebei Key Laboratory of Integrated Traditional Chinese and Western Medicine for Diabetes and Its Complications, College of Traditional Chinese Medicine, North China University of Science and Technology, Tangshan, People’s Republic of China
| | - Fanwu Wu
- Hebei Key Laboratory of Integrated Traditional Chinese and Western Medicine for Diabetes and Its Complications, College of Traditional Chinese Medicine, North China University of Science and Technology, Tangshan, People’s Republic of China
| | - Jianbo Zhang
- Hebei Key Laboratory of Integrated Traditional Chinese and Western Medicine for Diabetes and Its Complications, College of Traditional Chinese Medicine, North China University of Science and Technology, Tangshan, People’s Republic of China
| | - Ye Xu
- Hebei Key Laboratory of Integrated Traditional Chinese and Western Medicine for Diabetes and Its Complications, College of Traditional Chinese Medicine, North China University of Science and Technology, Tangshan, People’s Republic of China
| | - Hong Chang
- Hebei Key Laboratory of Integrated Traditional Chinese and Western Medicine for Diabetes and Its Complications, College of Traditional Chinese Medicine, North China University of Science and Technology, Tangshan, People’s Republic of China
| | - Yueyue Yu
- Hebei Key Laboratory of Integrated Traditional Chinese and Western Medicine for Diabetes and Its Complications, College of Traditional Chinese Medicine, North China University of Science and Technology, Tangshan, People’s Republic of China
| | - Chunhua Jiang
- Hebei Key Laboratory of Integrated Traditional Chinese and Western Medicine for Diabetes and Its Complications, College of Traditional Chinese Medicine, North China University of Science and Technology, Tangshan, People’s Republic of China
| | - Xiujuan Gao
- Hebei Key Laboratory of Integrated Traditional Chinese and Western Medicine for Diabetes and Its Complications, College of Traditional Chinese Medicine, North China University of Science and Technology, Tangshan, People’s Republic of China
| | - Huijuan Liu
- Hebei Key Laboratory of Integrated Traditional Chinese and Western Medicine for Diabetes and Its Complications, College of Traditional Chinese Medicine, North China University of Science and Technology, Tangshan, People’s Republic of China
| | - Zhen Chen
- Oriental Herbs KFT, Budapest, Hungary
| | - Chenxi Wu
- Hebei Key Laboratory of Integrated Traditional Chinese and Western Medicine for Diabetes and Its Complications, College of Traditional Chinese Medicine, North China University of Science and Technology, Tangshan, People’s Republic of China
| | - Ji-An Li
- Hebei Key Laboratory of Integrated Traditional Chinese and Western Medicine for Diabetes and Its Complications, College of Traditional Chinese Medicine, North China University of Science and Technology, Tangshan, People’s Republic of China
- School of Public Health, North China University of Science and Technology, Tangshan, People’s Republic of China
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Jeong E, Baek Y, Kim HJ, Lee HG. Comparison of the anti-diabetic effects of various grain and legume extracts in high-fat diet and streptozotocin-nicotinamide-induced diabetic rats. Heliyon 2024; 10:e25279. [PMID: 38322911 PMCID: PMC10844043 DOI: 10.1016/j.heliyon.2024.e25279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 01/18/2024] [Accepted: 01/24/2024] [Indexed: 02/08/2024] Open
Abstract
The anti-diabetic properties of whole groats and dietary fibers from various grains and legumes are well known. Nevertheless, studies on the anti-diabetic effects of their extracts are limited, and it is difficult to compare their efficacy. This study investigated the anti-diabetic potential of ethanol extracts from oats (OE), sorghum (SE), foxtail millet (FE), proso millet (PE), adzuki bean (AE), and black soybean (BE) in a high-fat diet and streptozotocin-nicotinamide-induced diabetic rat models. The extracts, obtained using 99.9 % ethanol, were orally administered to diabetic rats for four weeks. Various parameters were evaluated, including fasting blood glucose levels, glucose tolerance, insulin sensitivity, serum insulin levels, and pancreas histological analysis. OE and SE effectively reduced fasting blood glucose levels and the area under the curve (AUC) in the oral glucose tolerance test. Only OE significantly decreased the AUC in the insulin tolerance test and increased insulin concentration and homeostatic model assessment of the β-cell function index, indicating improved insulin sensitivity and β-cell function. Histological and immunohistochemical analysis of the pancreas supported these findings, demonstrating that OE protected against pancreatic cell damage. In contrast, FE, PE, AE, and BE did not have a significant effect on diabetes-related parameters. These findings identify OE as the most promising natural intervention for diabetes management.
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Affiliation(s)
- Eunwoo Jeong
- Department of Food and Nutrition, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, South Korea
| | - Youjin Baek
- Department of Food and Nutrition, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, South Korea
| | - Hyun-Joo Kim
- Department of Central Area Crop Science, National Institute of Crop Science, Suwon, 16429, South Korea
| | - Hyeon Gyu Lee
- Department of Food and Nutrition, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 04763, South Korea
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3
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Li L, Zhang R, Hu Y, Deng H, Pei X, Liu F, Chen C. Impact of Oat ( Avena sativa L.) on Metabolic Syndrome and Potential Physiological Mechanisms of Action: A Current Review. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:14838-14852. [PMID: 37797345 DOI: 10.1021/acs.jafc.3c02304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/07/2023]
Abstract
Oat (Avena sativa L.), an annual herbaceous plant belonging to the Gramineae family, is widely grown in various regions including EU, Canada, America, Australia, etc. Due to the nutritional and pharmacological values, oats have been developed into various functional food including fermented beverage, noodle, cookie, etc. Meanwhile, numerous studies have demonstrated that oats may effectively improve metabolic syndrome, such as dyslipidemia, hyperglycemia, atherosclerosis, hypertension, and obesity. However, the systematic pharmacological mechanisms of oats on metabolic syndrome have not been fully revealed. Therefore, in order to fully explore the benefits of oat in food industry and clinic, this review aims to provide up-to-date information on oat and its constituents, focusing on the effects on metabolic syndrome.
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Affiliation(s)
- Lin Li
- Pharmacy College of Chengdu University of Traditional Chinese Medicine, Chengdu 611137, People's Republic of China
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu 611137, People's Republic of China
| | - Ruiyuan Zhang
- Pharmacy College of Chengdu University of Traditional Chinese Medicine, Chengdu 611137, People's Republic of China
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu 611137, People's Republic of China
| | - Yichen Hu
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Sichuan Engineering & Technology Research Center of Coarse Cereal Industralization, School of Food and Biological Engineering, Chengdu University, Chengdu 610106, Sichuan People's Republic of China
| | - Hongdan Deng
- Pharmacy College of Chengdu University of Traditional Chinese Medicine, Chengdu 611137, People's Republic of China
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu 611137, People's Republic of China
| | - Xu Pei
- Pharmacy College of Chengdu University of Traditional Chinese Medicine, Chengdu 611137, People's Republic of China
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu 611137, People's Republic of China
| | - Fang Liu
- Pharmacy College of Chengdu University of Traditional Chinese Medicine, Chengdu 611137, People's Republic of China
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu 611137, People's Republic of China
| | - Chen Chen
- School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, St Lucia 4072, Brisbane, Australia
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Li L, Zhang R, Hu Y, Deng H, Pei X, Liu F, Chen C. Impact of Oat ( Avena sativa L.) on Metabolic Syndrome and Potential Physiological Mechanisms of Action: A Current Review. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:14838-14852. [DOI: https:/doi.org/10.1021/acs.jafc.3c02304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/14/2024]
Affiliation(s)
- Lin Li
- Pharmacy College of Chengdu University of Traditional Chinese Medicine, Chengdu 611137, People’s Republic of China
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu 611137, People’s Republic of China
| | - Ruiyuan Zhang
- Pharmacy College of Chengdu University of Traditional Chinese Medicine, Chengdu 611137, People’s Republic of China
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu 611137, People’s Republic of China
| | - Yichen Hu
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Sichuan Engineering & Technology Research Center of Coarse Cereal Industralization, School of Food and Biological Engineering, Chengdu University, Chengdu 610106, Sichuan People’s Republic of China
| | - Hongdan Deng
- Pharmacy College of Chengdu University of Traditional Chinese Medicine, Chengdu 611137, People’s Republic of China
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu 611137, People’s Republic of China
| | - Xu Pei
- Pharmacy College of Chengdu University of Traditional Chinese Medicine, Chengdu 611137, People’s Republic of China
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu 611137, People’s Republic of China
| | - Fang Liu
- Pharmacy College of Chengdu University of Traditional Chinese Medicine, Chengdu 611137, People’s Republic of China
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu 611137, People’s Republic of China
| | - Chen Chen
- School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, St Lucia 4072, Brisbane, Australia
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5
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Nemes SA, Călinoiu LF, Dulf FV, Fărcas AC, Vodnar DC. Integrated Technology for Cereal Bran Valorization: Perspectives for a Sustainable Industrial Approach. Antioxidants (Basel) 2022; 11:antiox11112159. [PMID: 36358531 PMCID: PMC9686942 DOI: 10.3390/antiox11112159] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 10/26/2022] [Accepted: 10/29/2022] [Indexed: 11/06/2022] Open
Abstract
Current research focuses on improving the bioaccessibility of functional components bound to cereal bran cell walls. The main bioactive components in cereal bran that have major biological activities include phenolic acids, biopeptides, dietary fiber, and novel carbohydrates. Because of the bound form in which these bioactive compounds exist in the bran matrix, their bioaccessibility is limited. This paper aims to comprehensively analyze the functionality of an integrated technology comprising pretreatment techniques applied to bran substrate followed by fermentation bioprocesses to improve the bioaccessibility and bioavailability of the functional components. The integrated technology of specific physical, chemical, and biological pretreatments coupled with fermentation strategies applied to cereal bran previously-pretreated substrate provide a theoretical basis for the high-value utilization of cereal bran and the development of related functional foods and drugs.
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Affiliation(s)
- Silvia Amalia Nemes
- Institute of Life Sciences, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Manastur 3-5, 400372 Cluj-Napoca, Romania
| | - Lavinia Florina Călinoiu
- Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Manastur 3-5, 400372 Cluj-Napoca, Romania
| | - Francisc Vasile Dulf
- Faculty of Agriculture, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Manastur 3-5, 400372 Cluj-Napoca, Romania
| | - Anca Corina Fărcas
- Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Manastur 3-5, 400372 Cluj-Napoca, Romania
| | - Dan Cristian Vodnar
- Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Manastur 3-5, 400372 Cluj-Napoca, Romania
- Correspondence:
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Rafique H, Dong R, Wang X, Alim A, Aadil RM, Li L, Zou L, Hu X. Dietary-Nutraceutical Properties of Oat Protein and Peptides. Front Nutr 2022; 9:950400. [PMID: 35866075 PMCID: PMC9294724 DOI: 10.3389/fnut.2022.950400] [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: 05/22/2022] [Accepted: 06/03/2022] [Indexed: 11/13/2022] Open
Abstract
Oats are considered the healthiest grain due to their high content of phytochemicals, dietary fibers, and protein. In recent years, oat protein and peptides have gained popularity as possible therapeutic or nutraceutical candidates. Generally, oat peptides with bioactive properties can be obtained by the enzymatic hydrolysis of proteins and are known to have a variety of regulatory functions. This review article focused on the nutraceutical worth of oat proteins and peptides and also describes the application of oat protein as a functional ingredient. Outcomes of this study indicated that oat protein and peptides present various therapeutical properties, including antidiabetic, antioxidant, antihypoxic, antihypertensive, antithrombotic, antifatigue, immunomodulatory, and hypocholestrolaemic. However, most of the conducted studies are limited to in vitro conditions and less data is available on assessing the effectiveness of the oat peptides in vivo. Future efforts should be directed at performing systematic animal studies; in addition, clinical trials also need to be conducted to fully support the development of functional food products, nutraceutical, and therapeutical applications.
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Affiliation(s)
- Hamad Rafique
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, China
| | - Rui Dong
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, China
| | - Xiaolong Wang
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, China
| | - Aamina Alim
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, China
| | - Rana Muhammad Aadil
- National Institute of Food Science and Technology, University of Agriculture, Faisalabad, Pakistan
| | - Lu Li
- Guilin Seamild Food Co., Ltd., Guilin, China
| | - Liang Zou
- School of Food and Biological Engineering, Chengdu University, Chengdu, China
| | - Xinzhong Hu
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, China
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7
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Dou Y, Ai G, Huang R, Huang Z, Li Y, Liu Y, Xie J, Chen J, Su Z. In vitro and in vivo hypoglycemia effect of oxyberberine, a novel HO-1 agonist: A renewed evidence linking HO-1 to diabetes mellitus. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 101:154135. [PMID: 35509133 DOI: 10.1016/j.phymed.2022.154135] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 04/19/2022] [Accepted: 04/24/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Oxyberberine (OBB), an important in vivo metabolite of berberine, exerts superior hypoglycemia effect. However, the underlying mechanism remains obscure. Heme oxygenase-1 (HO-1) holds a crucial status in the pathogenesis of diabetes. Previous research has indicated that OBB can specifically bind to hemoglobin and significantly up-regulated the HO-1 expression in diabetic rat. Based on cellular protection features of HO-1, this work aimed to probe the anti-diabetic effect of OBB and the association with the potential induction of HO-1 expression. METHODS A type 2 diabetic mellitus rat model was established. Glucolipid metabolism and insulin sensitivity were analyzed. Immunohistochemistry, Western blotting and in silico simulations were also performed. RESULTS Administration of OBB or HO-1 inducer hemin significantly reduced fasting blood glucose level, blood fat, and inflammatory cytokine levels, while increased antioxidant capacity of pancreas. Meanwhile, OBB treatment remarkably stimulated liver glycogenesis and inhibited gluconeogenesis. Besides, OBB improved the glucose utilizing of muscle. Noteworthily, OBB inhibited the islet cell apoptosis and improved pancreatic function. In addition, OBB effectively improved the consumption of glucose in insulin-resistant HepG2 cells. Moreover, OBB also reduced oxidative stress, promoted glucose-elicited insulin secretion and enhanced expression of β-cell function proteins in INS-1 cells. Nevertheless, these effects were significantly reversed by treatment with Zincprotoporphrin (ZnPP). Additionally, in silico simulations indicated that OBB exhibited superior affinity with HO-1. CONCLUSION OBB effectively ameliorated hyperglycemia, dyslipidemia, and insulin resistance, improved oral glucose tolerance, and maintained glucose metabolism homeostasis, at least in part, by promoting HO-1-mediated activation of phosphoinositide 3-kinase / protein kinase B (PI3K/Akt) and AMP-activated protein kinase (AMPK) pathways. These data eloquently suggest that OBB, as a novel HO-1 agonist, has good potential to be a promising candidate drug for the management of diabetes, and support a therapeutic role of HO-1 induction in diabetes that potentially paves the way to translational research.
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Affiliation(s)
- Yaoxing Dou
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China; The Second Clinical Medical College of Guangzhou University of Chinese Medicine/Post-Doctoral Research Station, Guangzhou, China; Bone and Joint Research Team of Degeneration and Injury, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Gaoxiang Ai
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Ronglei Huang
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Ziwei Huang
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yucui Li
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yuhong Liu
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jianhui Xie
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China; School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China; State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China; Guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome, Guangzhou, China.
| | - Jiannan Chen
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China.
| | - Ziren Su
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China.
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Health Benefits of Cereal Grain- and Pulse-Derived Proteins. Molecules 2022; 27:molecules27123746. [PMID: 35744874 PMCID: PMC9229611 DOI: 10.3390/molecules27123746] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 06/06/2022] [Accepted: 06/07/2022] [Indexed: 12/19/2022] Open
Abstract
Pulses and whole grains are considered staple foods that provide a significant amount of calories, fibre and protein, making them key food sources in a nutritionally balanced diet. Additionally, pulses and whole grains contain many bioactive compounds such as dietary fibre, resistant starch, phenolic compounds and mono- and polyunsaturated fatty acids that are known to combat chronic disease. Notably, recent research has demonstrated that protein derived from pulse and whole grain sources contains bioactive peptides that also possess disease-fighting properties. Mechanisms of action include inhibition or alteration of enzyme activities, vasodilatation, modulation of lipid metabolism and gut microbiome and oxidative stress reduction. Consumer demand for plant-based proteins has skyrocketed primarily based on the perceived health benefits and lower carbon footprint of consuming foods from plant sources versus animal. Therefore, more research should be invested in discovering the health-promoting effects that pulse and whole grain proteins have to offer.
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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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10
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Tang Y, Li S, Yan J, Peng Y, Weng W, Yao X, Gao A, Cheng J, Ruan J, Xu B. Bioactive Components and Health Functions of Oat. FOOD REVIEWS INTERNATIONAL 2022. [DOI: 10.1080/87559129.2022.2029477] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Yong Tang
- College of Agriculture, Guizhou University, Guizhou, P. R. China
| | - Shijuan Li
- College of Plant Protection, Gansu Agricultural University, Lanzhou, P. R. China
| | - Jun Yan
- Key Laboratory of Coarse Cereal Processing in Ministry of Agriculture and Rural Affairs, School of Food and Biological Engineering, Chengdu University, Chengdu, P. R. China
| | - Yan Peng
- College of Agriculture, Guizhou University, Guizhou, P. R. China
| | - Wenfeng Weng
- College of Agriculture, Guizhou University, Guizhou, P. R. China
| | - Xin Yao
- College of Agriculture, Guizhou University, Guizhou, P. R. China
| | - Anjing Gao
- College of Agriculture, Guizhou University, Guizhou, P. R. China
| | - Jianping Cheng
- College of Agriculture, Guizhou University, Guizhou, P. R. China
| | - Jingjun Ruan
- College of Agriculture, Guizhou University, Guizhou, P. R. China
| | - Bingliang Xu
- College of Plant Protection, Gansu Agricultural University, Lanzhou, P. R. China
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11
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Bouchard J, Valookaran AF, Aloud BM, Raj P, Malunga LN, Thandapilly SJ, Netticadan T. Impact of oats in the prevention/management of hypertension. Food Chem 2022; 381:132198. [PMID: 35123221 DOI: 10.1016/j.foodchem.2022.132198] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 01/16/2022] [Accepted: 01/17/2022] [Indexed: 12/24/2022]
Abstract
Oats are a rich source of a soluble fibre, beta-glucan, phenolic compounds, as well as functional lipid and protein components that could potentially aid in preventing and managing hypertension. Processing techniques commonly used to manufacture oat based foods have been shown to improve its physiological efficacy. Hypertension is a common condition that is a risk factor for cardiovascular disease, a primary cause of mortality worldwide. Though exercise and pharmacological interventions are often used in the management of hypertension, diet is an incredibly important factor. One preclinical study and a handful of clinical studies have shown that oat components/products are effective in lowering blood pressure. However, research in this area is limited and more studies are needed to elucidate the anti-hypertensive potential of oats.
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Affiliation(s)
- Jenny Bouchard
- Richardson Center for Functional Foods and Nutraceuticals, Winnipeg, MB, Canada; Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, MB, Canada; Morden Research and Development Centre, Agriculture and Agri-Food Canada, Morden, MB, Canada
| | - Aleena Francis Valookaran
- Morden Research and Development Centre, Agriculture and Agri-Food Canada, Morden, MB, Canada; Canadian Centre for Agri-Food Research in Health and Medicine , Winnipeg, MB, Canada
| | | | - Pema Raj
- Morden Research and Development Centre, Agriculture and Agri-Food Canada, Morden, MB, Canada; Canadian Centre for Agri-Food Research in Health and Medicine , Winnipeg, MB, Canada
| | - Lovemore Nkhata Malunga
- Richardson Center for Functional Foods and Nutraceuticals, Winnipeg, MB, Canada; Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, MB, Canada; Morden Research and Development Centre, Agriculture and Agri-Food Canada, Morden, MB, Canada
| | - Sijo Joseph Thandapilly
- Richardson Center for Functional Foods and Nutraceuticals, Winnipeg, MB, Canada; Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, MB, Canada; Morden Research and Development Centre, Agriculture and Agri-Food Canada, Morden, MB, Canada.
| | - Thomas Netticadan
- Morden Research and Development Centre, Agriculture and Agri-Food Canada, Morden, MB, Canada; Canadian Centre for Agri-Food Research in Health and Medicine , Winnipeg, MB, Canada; Department of Physiology and Pathophysiology, University of Manitoba, Winnipeg, MB, Canada.
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Liu S, Yin X, Hou C, Liu X, Ma H, Zhang X, Xu M, Xie Y, Li Y, Wang J. As a Staple Food Substitute, Oat and Buckwheat Compound Has Health-Promoting Effects for Diabetic Rats. Front Nutr 2022; 8:762277. [PMID: 35004803 PMCID: PMC8740054 DOI: 10.3389/fnut.2021.762277] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 11/29/2021] [Indexed: 11/17/2022] Open
Abstract
Dietary intervention is crucial for the prevention and control of diabetes. China has the largest diabetic population in the world, yet no one dietary strategy matches the eating habits of the Chinese people. To explore an effective and acceptable dietary pattern, this study uses oat and buckwheat compound (OBC) as a staple food substitute and explored its effects on diabetic Sprague–Dawley rats. The model of diabetic rats was established by combining high-calorie feed and streptozotocin (STZ) injection. The dietary intervention for the seven groups, including a normal control group, a model control group, a metformin control group, a wheat flour control group, and three OBC groups with different doses, started from the beginning of the experiment and lasted for 11 weeks, two consecutive injections of STZ in small doses were operated at the 6th week. General states, glucose metabolism, and lipid metabolism indexes were measured. Antioxidant and inflammatory indexes and pathologic changes of kidney and liver tissues were tested. Changes in kidney and ileum ultramicrostructure were detected. What's more, ileal epithelial tight junction proteins and gut microbiota were analyzed. Significant decreases in fasting blood glucose (FBG), glucose tolerance, serum insulin, and insulin resistance were observed in rats intervened with OBC, and these rats also showed a higher level of superoxide dismutase (SOD) together with improved lipid metabolism, attenuated inflammation, and liver and kidney injuries. In addition, in OBC groups, the intestinal barrier was improved, and the disturbance of gut microbiota was reduced. These results suggest that OBC has health-promoting effects for diabetic rats, and since oat and buckwheat are traditionally consumed grains in China, OBC could be a potential and easy-to-accept staple food substitute for the dietary pattern for Chinese.
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Affiliation(s)
- Siqi Liu
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing, China
| | - Xueqian Yin
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing, China
| | - Chao Hou
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing, China
| | - Xinran Liu
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing, China
| | - Huijuan Ma
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing, China
| | - Xiaoxuan Zhang
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing, China
| | - Meihong Xu
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing, China
| | - Ying Xie
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Yong Li
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing, China
| | - Junbo Wang
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing, China
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Undenatured Type II Collagen Relieves Bone Impairment through Improving Inflammation and Oxidative Stress in Ageing db/db Mice. Molecules 2021; 26:molecules26164942. [PMID: 34443530 PMCID: PMC8400234 DOI: 10.3390/molecules26164942] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 08/03/2021] [Accepted: 08/09/2021] [Indexed: 12/26/2022] Open
Abstract
Ageing-related bone impairment due to exposure to hyperglycemic environment is scarcely researched. The aim was to confirm the improvement effects of undenatured type II collagen (UC II) on bone impairment in ageing db/db mice, and the ageing model was established by normal feeding for 48-week-old. Then, the ageing db/db mice were randomly assigned to UC II intervention, the ageing model, and the chondroitin sulfate + glucosamine hydrochloride control groups. After 12 weeks of treatment, femoral microarchitecture and biomechanical parameters were observed, biomarkers including bone metabolism, inflammatory cytokines, and oxidative stress were measured, and the gastrocnemius function and expressions of interleukin (IL) 1β, receptor activator of nuclear factor (NF)-κB ligand (RANKL), and tartrate-resistant acid phosphatase (TRAP) were analyzed. The results showed that the mice in the UC II intervention group showed significantly superior bone and gastrocnemius properties than those in the ageing model group, including bone mineral density (287.65 ± 72.77 vs. 186.97 ± 32.2 mg/cm3), gastrocnemius index (0.46 ± 0.07 vs. 0.18 ± 0.01%), muscle fiber diameter (0.0415 ± 0.005 vs. 0.0330 ± 0.002 mm), and cross-sectional area (0.0011 ± 0.00007 vs. 0.00038 ± 0.00004 mm2). The UC II intervention elevated bone mineralization and formation and decreased bone resorption, inflammatory cytokines, and the oxidative stress. In addition, lower protein expression of IL-1β, RANKL, and TRAP in the UC II intervention group was observed. These findings suggested that UC II improved bones impaired by T2DM during ageing, and the likely mechanism was partly due to inhibition of inflammation and oxidative stress.
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Rui F, Jiawei K, Yuntao H, Xinran L, Jiani H, Ruixue M, Rui L, Na Z, Meihong X, Yong L. Undenatured type II collagen prevents and treats osteoarthritis and motor function degradation in T2DM patients and db/db mice. Food Funct 2021; 12:4373-4391. [PMID: 33890588 DOI: 10.1039/d0fo03011b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Osteoarthritis (OA) has been scarcely researched among patients with diabetes mellitus. This study aims to confirm the preventive and therapeutic effects of undenatured type II collagen (UC II) on OA in aging db/db mice and in patients with T2DM. Firstly, aging db/db mice were randomly assigned to three groups: the UC II intervention (UC II) group, old model (OM) group and positive control group. Meanwhile db/m mice and young db/db mice were used as the normal control and young control groups, respectively. Secondly, fifty-five T2DM patients diagnosed with knee OA were randomly assigned to two groups: UC-II and placebo control groups. After a three-month intervention in both mice and T2DM patients, the subjects' gait and physical activities were assessed and the serum biomarkers including inflammatory cytokines, oxidative stress factors and matrix metalloproteinases (MMPs) were measured. Compared with the OM group mice, those in the UC II group showed a significantly greater superiority in terms of motor functions including the movement trajectories area (163.25 ± 20.3 vs. 78.52 ± 20.14 cm2), the tremor index (0.42 vs. 1.23), standing time (left hind: 0.089 ± 0.03 vs. 0.136 ± 0.04 s), swing (right front: 0.12 ± 0.02 vs. 0.216 ± 0.02 s), stride length (right hind: 7.2 ± 0.9 vs. 5.7 ± 1.1 cm), step cycle (right hind: 0.252 ± 0.05 vs. 0.478 ± 0.11 s) and cadence (14.12 ± 2.7 vs. 7.35 ± 4.4 steps per s). In addition, the levels of IL-4, IL-10, CTX- II and TGF-β in the UC II group were 1.74, 2.23, 1.67 and 1.84 times higher than those in the OM group, respectively, while the levels of MMP-3 and MMP-13 in the UC II group were half those in the OM group. Correspondingly, UC II intervention significantly decreased the scores of pain, stiffness and physical function (p < 0.05), whereas the 6 MWT and total MET distances in the UC II group increased remarkably (p < 0.05). After a three-month period of intervention, the varus angle significantly decreased from 4.6 ± 2.0° to 3.0 ± 1.4° and the knee flexion range obviously increased from 57.9 ± 14.0° to 66.9 ± 10.4°. Importantly, the declining trend in the levels of hs-CRP and MDA and the incremental trend in the SOD level were consistent in the db/db mice and OA patients following UC II administration.
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Affiliation(s)
- Fan Rui
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China.
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Hypoglycemic effects and mechanism of different molecular weights of konjac glucomannans in type 2 diabetic rats. Int J Biol Macromol 2020; 165:2231-2243. [PMID: 33058981 DOI: 10.1016/j.ijbiomac.2020.10.021] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Revised: 09/19/2020] [Accepted: 10/02/2020] [Indexed: 12/31/2022]
Abstract
Konjac glucomannan (KGM) is a hypoglycemic polysaccharide with a wide range of molecular weights. But study on hypoglycemic effects of KGMs relate to molecular weight is limited. In this study, KGMs with high and medium molecular weights, and the degraded KGMs were analyzed with physicochemical properties, hypoglycemic effects and mechanisms. Results showed that as the molecular weight KGMs decreased, the viscosity decreased, molecular flexibility increased, while chemical groups, crystal structures and main chains showed little change. KGMs with medium molecular weights (KGM-M1, KGM-M2) showed better effects on increasing body weight, decreasing levels of fasting blood glucose, insulin resistance, total cholesterol and low density lipoprotein cholesterol, and enhancing integrity of pancreas and colon, than KGMs with high or low molecular weights (KGM-H, KGM-L) in type 2 diabetic rats. Mechanism analysis suggested that KGM-M1 and KGM-M2 had higher antioxidant and anti-inflammatory activities on elevating superoxide dismutase, decreasing malondialdehyde and tumor necrosis factor-α levels. Moreover, KGM-M1 and KGM-M2 increased gut microbiota diversity, Bacteroidetes/Firmicutes ratio and Muribaculaceae, decreased Romboutsia and Klebsiella, and improved 6 diabetic related metabolites. Combined, KGM-M1 and KGM-M2 showed higher hypoglycemic effects, due to regulatory activities of antioxidant, anti-inflammatory, intestinal microbiota, and relieved metabolic disorders.
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