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Huang Y, Zhang X, Li Q, Zheng W, Wu P, Wu R, Chen WH, Li C. N- p-coumaroyloctopamine ameliorates hepatic glucose metabolism and oxidative stress involved in a PI3K/AKT/GSK3β pathway. Front Pharmacol 2024; 15:1396641. [PMID: 38725660 PMCID: PMC11079176 DOI: 10.3389/fphar.2024.1396641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Accepted: 04/09/2024] [Indexed: 05/12/2024] Open
Abstract
Type 2 diabetes mellitus is regarded as a chronic metabolic disease characterized by hyperglycemia. Long-term hyperglycemia may result in oxidative stress, damage pancreatic β-cell function and induce insulin resistance. Herein we explored the anti-hypoglycemic effects and mechanisms of action of N-p-coumaroyloctopamine (N-p-CO) in vitro and in vivo. N-p-CO exhibited high antioxidant activity, as indicated by the increased activity of SOD, GSH and GSH-Px in HL-7702 cells induced by both high glucose (HG) and palmitic acid (PA). N-p-CO treatment significantly augmented glucose uptake and glycogen synthesis in HG/PA-treated HL-7702 cells. Moreover, administration of N-p-CO in diabetic mice induced by both high-fat diet (HFD) and streptozotocin (STZ) not only significantly increased the antioxidant levels of GSH-PX, SOD and GSH, but also dramatically alleviated hyperglycemia and hepatic glucose metabolism in a dose-dependent manner. More importantly, N-p-CO upregulated the expressions of PI3K, AKT and GSK3β proteins in both HG/PA-induced HL-7702 cells and HFD/STZ-induced mice. These findings clearly suggest that N-p-CO exerts anti-hypoglycemic and anti-oxidant effects, most probably via the regulation of a PI3K/AKT/GSK3β signaling pathway. Thus, N-p-CO may have high potentials as a new candidate for the prevention and treatment of diabetes.
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Affiliation(s)
- Yuechang Huang
- School of Pharmacy and Food Engineering, Wuyi University, Jiangmen, China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, China
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, China
| | - Xingmin Zhang
- School of Pharmacy and Food Engineering, Wuyi University, Jiangmen, China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, China
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, China
| | - Qian Li
- School of Pharmacy and Food Engineering, Wuyi University, Jiangmen, China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, China
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, China
| | - Wende Zheng
- School of Pharmacy and Food Engineering, Wuyi University, Jiangmen, China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, China
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, China
| | - Panpan Wu
- School of Pharmacy and Food Engineering, Wuyi University, Jiangmen, China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, China
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, China
| | - Rihui Wu
- School of Pharmacy and Food Engineering, Wuyi University, Jiangmen, China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, China
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, China
| | - Wen-Hua Chen
- School of Pharmacy and Food Engineering, Wuyi University, Jiangmen, China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, China
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, China
| | - Chen Li
- School of Pharmacy and Food Engineering, Wuyi University, Jiangmen, China
- International Healthcare Innovation Institute (Jiangmen), Jiangmen, China
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen, China
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Sousa LDR, Viana NR, Coêlho AG, Barbosa CDO, Barros DSL, Martins MDCDCE, Ramos RM, Arcanjo DDR. Use of Monoterpenes as Potential Therapeutics in Diabetes Mellitus: A Prospective Review. Adv Pharmacol Pharm Sci 2023; 2023:1512974. [PMID: 38029230 PMCID: PMC10665111 DOI: 10.1155/2023/1512974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 09/06/2023] [Accepted: 11/04/2023] [Indexed: 12/01/2023] Open
Abstract
Monoterpenes are secondary metabolites of plants belonging to the terpenoid class of natural products. They are the most abundant components of essential oils that are generally considered to have various pharmacological properties. These compounds are reported to have antidiabetic effects in recent years. Due to nature's complex biosynthetic machinery, they also exhibit a reasonable degree of structural complexity/diversity for further analysis in structure-activity studies. Therefore, monoterpenes as antidiabetic agents have been investigated by recent in vitro and in vivo studies extensively reported in the scientific literature and claimed by patent documents. The purpose of this survey is to provide a comprehensive and prospective review concerning the potential applications of monoterpenes in the treatment of diabetes. The data for this research were collected through the specialized databases PubMed, Scopus, Web of Science, and ScienceDirect between the years 2014 and 2022, as well as the patent databases EPO, WIPO, and USPTO. The research used 76 articles published in the leading journals in the field. The main effect observed was the antidiabetic activity of monoterpenes. This review showed that monoterpenes can be considered promising agents for prevention and/or treatment of diabetes as well as have a marked pharmaceutical potential for the development of bioproducts for therapeutics applications.
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Affiliation(s)
- Leonardo da Rocha Sousa
- LAFMOL–Laboratory of Functional and Molecular Studies in Physiopharmacology, Department of Biophysics and Physiology, Federal University of Piaui, Teresina, Brazil
- LaBME–Laboratory of Molecular Biology and Epidemiology, Federal Institute of Education, Science and Technology of Piauí–Campus Teresina Central, Teresina, Brazil
| | - Nildomar Ribeiro Viana
- LAFMOL–Laboratory of Functional and Molecular Studies in Physiopharmacology, Department of Biophysics and Physiology, Federal University of Piaui, Teresina, Brazil
| | - Angélica Gomes Coêlho
- LAFMOL–Laboratory of Functional and Molecular Studies in Physiopharmacology, Department of Biophysics and Physiology, Federal University of Piaui, Teresina, Brazil
| | - Celma de Oliveira Barbosa
- LAFMOL–Laboratory of Functional and Molecular Studies in Physiopharmacology, Department of Biophysics and Physiology, Federal University of Piaui, Teresina, Brazil
| | | | - Maria do Carmo de Carvalho e Martins
- LAFMOL–Laboratory of Functional and Molecular Studies in Physiopharmacology, Department of Biophysics and Physiology, Federal University of Piaui, Teresina, Brazil
| | - Ricardo Martins Ramos
- LaBME–Laboratory of Molecular Biology and Epidemiology, Federal Institute of Education, Science and Technology of Piauí–Campus Teresina Central, Teresina, Brazil
- LaPeSI–Information Systems Research Laboratory, Department of Information, Environment, Health and Food Production, Federal Institute of Piaui, Teresina, Brazil
| | - Daniel Dias Rufino Arcanjo
- LAFMOL–Laboratory of Functional and Molecular Studies in Physiopharmacology, Department of Biophysics and Physiology, Federal University of Piaui, Teresina, Brazil
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Dragomanova S, Andonova V, Volcho K, Salakhutdinov N, Kalfin R, Tancheva L. Therapeutic Potential of Myrtenal and Its Derivatives-A Review. Life (Basel) 2023; 13:2086. [PMID: 37895468 PMCID: PMC10608190 DOI: 10.3390/life13102086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 10/10/2023] [Accepted: 10/17/2023] [Indexed: 10/29/2023] Open
Abstract
The investigation of monoterpenes as natural products has gained significant attention in the search for new pharmacological agents due to their ability to exhibit a wide range in biological activities, including antifungal, antibacterial, antioxidant, anticancer, antispasmodic, hypotensive, and vasodilating properties. In vitro and in vivo studies reveal their antidepressant, anxiolytic, and memory-enhancing effects in experimental dementia and Parkinson's disease. Chemical modification of natural substances by conjugation with various synthetic components is a modern method of obtaining new biologically active compounds. The discovery of new potential drugs among monoterpene derivatives is a progressive avenue within experimental pharmacology, offering a promising approach for the therapy of diverse pathological conditions. Biologically active substances such as monoterpenes, for example, borneol, camphor, geraniol, pinene, and thymol, are used to synthesize compounds with analgesic, anti-inflammatory, anticonvulsive, antidepressant, anti-Alzheimer's, antiparkinsonian, antiviral and antibacterial (antituberculosis) properties. Myrtenal is a perspective monoterpenoid with therapeutic potential in various fields of medicine. Its chemical modifications often lead to new or more pronounced biological effects. As an example, the conjugation of myrtenal with the established pharmacophore adamantane enables the augmentation of several of its pivotal properties. Myrtenal-adamantane derivatives exhibited a variety of beneficial characteristics, such as antimicrobial, antifungal, antiviral, anticancer, anxiolytic, and neuroprotective properties, which are worth examining in more detail and at length.
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Affiliation(s)
- Stela Dragomanova
- Department of Pharmacology, Toxicology and Pharmacotherapy, Faculty of Pharmacy, Medical University of Varna, 84 A Tsar Osvoboditel Blvd., 9002 Varna, Bulgaria;
| | - Velichka Andonova
- Department of Pharmaceutical Technologies, Faculty of Pharmacy, Medical University of Varna, 84 A Tsar Osvoboditel Blvd., 9002 Varna, Bulgaria;
| | - Konstantin Volcho
- Department of Medicinal Chemistry, Novosibirsk Institute of Organic Chemistry of the Russian Academy of Sciences, 9 Lavrentiev Av., 630090 Novosibirsk, Russia; (K.V.); (N.S.)
| | - Nariman Salakhutdinov
- Department of Medicinal Chemistry, Novosibirsk Institute of Organic Chemistry of the Russian Academy of Sciences, 9 Lavrentiev Av., 630090 Novosibirsk, Russia; (K.V.); (N.S.)
| | - Reni Kalfin
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Block 23, 1113 Sofia, Bulgaria;
- Department of Healthcare, South-West University, 66 Ivan Mihailov St., 2700 Blagoevgrad, Bulgaria
| | - Lyubka Tancheva
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Block 23, 1113 Sofia, Bulgaria;
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Ning C, Jiao Y, Wang J, Li W, Zhou J, Lee YC, Ma DL, Leung CH, Zhu R, David Wang HM. Recent advances in the managements of type 2 diabetes mellitus and natural hypoglycemic substances. FOOD SCIENCE AND HUMAN WELLNESS 2022. [DOI: 10.1016/j.fshw.2022.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Anti-atherosclerotic Effects of Myrtenal in High-Fat Diet-Induced Atherosclerosis in Rats. Appl Biochem Biotechnol 2022; 194:5717-5733. [PMID: 35804285 DOI: 10.1007/s12010-022-04044-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/26/2022] [Indexed: 11/02/2022]
Abstract
The major cause of death worldwide is atherosclerosis-related cardiovascular disease (ACD). Myrtenal was studied to determine control rats were given standard diets and a high-fat diet was given to AS model groups. Atherosclerosis-related cardiovascular disease (ACD) is globally attributed to being a predominant cause of mortality. While the beneficial effects of Myrtenal, the monoterpene from natural compounds, are increasingly being acknowledged, its anti-atherosclerotic activity has not been demonstrated clearly. The present study is proposed to determine the anti-atherosclerotic activity of Myrtenal in high-fat diet-induced atherosclerosis (AS) rat models. Control groups were maintained with standard diets, the AS model rats were provided a high-fat diet, two of the experimental groups fed with a high-fat diet were treated with Myrtenal (50 mg/kg and 100 mg/kg), and one experimental group on high-fat diet was treated with simvastatin (10 mg/kg) for 30 days. The levels of inflammatory cytokines were analyzed using kits. The lipoproteins and the lipid profile were estimated using an auto-analyzer. The atherogenic index and marker enzyme activities were also determined. Serum concentrations of 6-keto-prostaglandin F1α (6-keto-PGF1α), thromboxaneB2 (TXB2), endothelin (ET), and nitric oxide (NO) were measured. The AS model groups indicated altered lipid profile, lipoprotein content, atherogenic index, calcium levels, HMG-CoA reductase activity, collagen level, and mild mineralization indicating atherosclerosis, while the AS-induced Myrtenal-treated groups demonstrated anti-atherogenic activity. The Myrtenal-treated groups exhibited a decreased TC, TG, and LDLc levels; increased HDLc levels; and a decline in the inflammatory cytokines such as CRP, IL-1β, IL-8, and IL-18 when compared to the untreated AS rats. Furthermore, Myrtenal decreased ET, TXB2, and 6-keto-PGF1α levels indicating its anti-atherosclerotic activity. The study results thus indicate that Myrtenal modulates the lipid metabolic pathway to exert its anti-atherosclerotic activity.
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Lee D, Kim JY, Kwon HC, Kwon J, Jang DS, Kang KS. Dual Beneficial Effects of α-Spinasterol Isolated from Aster pseudoglehnii on Glucose Uptake in Skeletal Muscle Cells and Glucose-Stimulated Insulin Secretion in Pancreatic β-Cells. PLANTS (BASEL, SWITZERLAND) 2022; 11:plants11050658. [PMID: 35270128 PMCID: PMC8912510 DOI: 10.3390/plants11050658] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 02/25/2022] [Accepted: 02/25/2022] [Indexed: 05/14/2023]
Abstract
Herein, we determined whether α-Spinasterol, a stigmastane-type phytosterol isolated from Aster pseudoglehnii, potentially impacts glucose uptake and glucose-stimulated insulin secretion in skeletal muscle cells and pancreatic β-cells, respectively. We observed that A. pseudoglehnii and its fractions enhanced glucose uptake, with no toxic effects on C2C12 cells, with the n-hexane fraction exhibiting the most potent effect. α-Spinasterol, isolated from the n-hexane fraction, enhanced glucose uptake with no toxic effects on C2C12 cells. Additionally, α-Spinasterol increased the expression of associated proteins, including insulin receptor substrate-1, AMP-activated protein kinase, and glucose transporter type 4, as determined by Western blotting. Furthermore, α-Spinasterol enhanced insulin secretion in response to high glucose concentrations, with no toxic effects on INS-1 cells; this effect was superior to that demonstrated by gliclazide (positive control), commonly prescribed to treat type 2 diabetes (T2D). α-Spinasterol enhanced the expression of associated proteins, including insulin receptor substrate-2, peroxisome proliferator-activated receptor γ, and pancreatic and duodenal homeobox 1, as determined using Western blotting. The insulin secretory effect of α-Spinasterol was enhanced by a K+ channel blocker and L-type Ca2+ channel agonist and was suppressed by a K+ channel activator and L-type Ca2+ channel blocker. α-Spinasterol isolated from A. pseudoglehnii may improve hyperglycemia by improving glucose uptake into skeletal muscle cells and enhancing insulin secretion in pancreatic β-cells. Accordingly, α-Spinasterol could be a potential candidate for anti-T2D therapy.
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Affiliation(s)
- Dahae Lee
- Cooperative-Center of Natural Product Central Bank for Biological Evaluation, College of Korean Medicine, Gachon University, Seongnam 13120, Korea;
| | - Ji-Young Kim
- Department of Biomedical and Pharmaceutical Sciences, Graduate School, Kyung Hee University, Seoul 02447, Korea;
| | - Hak Cheol Kwon
- KIST Gangneung Institute of Natural Products, Korea Institute of Science and Technology (KIST), Gangneung 25451, Korea; (H.C.K.); (J.K.)
| | - Jaeyoung Kwon
- KIST Gangneung Institute of Natural Products, Korea Institute of Science and Technology (KIST), Gangneung 25451, Korea; (H.C.K.); (J.K.)
| | - Dae Sik Jang
- Department of Biomedical and Pharmaceutical Sciences, Graduate School, Kyung Hee University, Seoul 02447, Korea;
- Correspondence: (D.S.J.); (K.S.K.); Tel.: +82-2-961-0719 (D.S.J.); +82-31-750-5402 (K.S.K.)
| | - Ki Sung Kang
- Cooperative-Center of Natural Product Central Bank for Biological Evaluation, College of Korean Medicine, Gachon University, Seongnam 13120, Korea;
- Correspondence: (D.S.J.); (K.S.K.); Tel.: +82-2-961-0719 (D.S.J.); +82-31-750-5402 (K.S.K.)
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Rathinam A, Pari L, Venkatesan M, Munusamy S. Myrtenal attenuates oxidative stress and inflammation in a rat model of streptozotocin-induced diabetes. Arch Physiol Biochem 2022; 128:175-183. [PMID: 31564173 DOI: 10.1080/13813455.2019.1670212] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The present study was aimed to investigate the effect of myrtenal on diabetes-associated oxidative stress, lipid peroxidation (LPO), and inflammation using a rat model of streptozotocin (STZ)-induced diabetes. Following the induction of diabetes in male Wistar rats using STZ (40 mg/kg body weight), myrtenal (80 mg/kg body weight) was administered orally to diabetic rats for four weeks and then sacrificed to harvest tissues. We measured the levels of antioxidants, LPO, and proinflammatory cytokines such as tumor necrosis factor-α (TNF-α) and interleukin 6 (IL-6), and the p65 subunit of nuclear factor-kappa B (NF-kB p65). Diabetic rats revealed increased levels of LPO, proinflammatory cytokines, and NF-kB p65, and decreased levels of antioxidants in the liver and pancreas. Supplementation with myrtenal significantly attenuated the diabetes-induced changes in the liver and pancreas of diabetic rats. Our findings suggest that myrtenal may serve as an antioxidant and anti-inflammatory agent against diabetes-associated oxidative stress and inflammation.HighlightsOral administration of myrtenal improved the antioxidant status in the liver and pancreas of diabetic rats.Myrtenal treatment diminished inflammation in the liver and pancreas of diabetic rats.Myrtenal supplementation averts oxidative stress and inflammation in diabetic rats.Myrtenal could serve as a potent antioxidant and anti-inflammatory agent in the management of diabetes.
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Affiliation(s)
- Ayyasamy Rathinam
- Department of Biochemistry and Biotechnology, Phytopharmacology and Molecular Biology Research Laboratory, Annamalai University, Annamalainagar, India
- Department of Animal Science, Bharathidasan University, Tiruchirappalli, India
| | - Leelavinothan Pari
- Department of Biochemistry and Biotechnology, Phytopharmacology and Molecular Biology Research Laboratory, Annamalai University, Annamalainagar, India
| | - Manigandan Venkatesan
- Department of Medical Biotechnology, Faculty of Allied Health Sciences, Chettinad Academy of Research and Education (CARE), Chennai, India
| | - Shankar Munusamy
- Department of Pharmaceutical and Administrative Sciences, College of Pharmacy and Health Sciences, Drake University, Des Moines, IA, USA
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In Vitro and In Vivo Antidiabetic Potential of Monoterpenoids: An Update. MOLECULES (BASEL, SWITZERLAND) 2021; 27:molecules27010182. [PMID: 35011414 PMCID: PMC8746715 DOI: 10.3390/molecules27010182] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 12/20/2021] [Accepted: 12/25/2021] [Indexed: 12/11/2022]
Abstract
Diabetes mellitus (DM) is a chronic metabolic condition characterized by persistent hyperglycemia due to insufficient insulin levels or insulin resistance. Despite the availability of several oral and injectable hypoglycemic agents, their use is associated with a wide range of side effects. Monoterpenes are compounds extracted from different plants including herbs, vegetables, and fruits and they contribute to their aroma and flavor. Based on their chemical structure, monoterpenes are classified into acyclic, monocyclic, and bicyclic monoterpenes. They have been found to exhibit numerous biological and medicinal effects such as antipruritic, antioxidant, anti-inflammatory, and analgesic activities. Therefore, monoterpenes emerged as promising molecules that can be used therapeutically to treat a vast range of diseases. Additionally, monoterpenes were found to modulate enzymes and proteins that contribute to insulin resistance and other pathological events caused by DM. In this review, we highlight the different mechanisms by which monoterpenes can be used in the pharmacological intervention of DM via the alteration of certain enzymes, proteins, and pathways involved in the pathophysiology of DM. Based on the fact that monoterpenes have multiple mechanisms of action on different targets in in vitro and in vivo studies, they can be considered as lead compounds for developing effective hypoglycemic agents. Incorporating these compounds in clinical trials is needed to investigate their actions in diabetic patients in order to confirm their ability in controlling hyperglycemia.
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Moroccan antidiabetic medicinal plants: Ethnobotanical studies, phytochemical bioactive compounds, preclinical investigations, toxicological validations and clinical evidences; challenges, guidance and perspectives for future management of diabetes worldwide. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.03.032] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Hegazi NM, Saad HH, Marzouk MM, Abdel Rahman MF, El Bishbishy MH, Zayed A, Ulber R, Ezzat SM. Molecular Networking Leveraging the Secondary Metabolomes Space of Halophila stipulaceae (Forsk.) Aschers. and Thalassia hemprichii (Ehrenb. ex Solms) Asch. in Tandem with Their Chemosystematics and Antidiabetic Potentials. Mar Drugs 2021; 19:279. [PMID: 34069768 PMCID: PMC8157295 DOI: 10.3390/md19050279] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 05/08/2021] [Accepted: 05/12/2021] [Indexed: 12/11/2022] Open
Abstract
The Red Sea is one of the most biodiverse aquatic ecosystems. Notably, seagrasses possess a crucial ecological significance. Among them are the two taxa Halophila stipulacea (Forsk.) Aschers., and Thalassia hemprichii (Ehrenb. ex Solms) Asch., which were formally ranked together with the genus Enhalus in three separate families. Nevertheless, they have been recently classified as three subfamilies within Hydrocharitaceae. The interest of this study is to explore their metabolic profiles through ultra-high-performance liquid chromatography-high-resolution mass spectrometry (UPLC-HRMS/MS) analysis in synergism with molecular networking and to assess their chemosystematics relationship. A total of 144 metabolites were annotated, encompassing phenolic acids, flavonoids, terpenoids, and lipids. Furthermore, three new phenolic acids; methoxy benzoic acid-O-sulphate (16), O-caffeoyl-O-hydroxyl dimethoxy benzoyl tartaric acid (26), dimethoxy benzoic acid-O-sulphate (30), a new flavanone glycoside; hexahydroxy-monomethoxy flavanone-O-glucoside (28), and a new steviol glycoside; rebaudioside-O-acetate (96) were tentatively described. Additionally, the evaluation of the antidiabetic potential of both taxa displayed an inherited higher activity of H. stipulaceae in alleviating the oxidative stress and dyslipidemia associated with diabetes. Hence, the current research significantly suggested Halophila, Thalassia, and Enhalus categorization in three different taxonomic ranks based on their intergeneric and interspecific relationship among them and supported the consideration of seagrasses in natural antidiabetic studies.
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Affiliation(s)
- Nesrine M. Hegazi
- Department of Phytochemistry and Plant Systematics, Division of Pharmaceutical Industries, National Research Centre, Dokki, Cairo 12622, Egypt; (N.M.H.); (M.M.M.)
| | - Hamada H. Saad
- Department of Phytochemistry and Plant Systematics, Division of Pharmaceutical Industries, National Research Centre, Dokki, Cairo 12622, Egypt; (N.M.H.); (M.M.M.)
- Department of Pharmaceutical Biology, Pharmaceutical Institute, Eberhard Karls University of Tübingen, 72074 Tübingen, Germany
| | - Mona M. Marzouk
- Department of Phytochemistry and Plant Systematics, Division of Pharmaceutical Industries, National Research Centre, Dokki, Cairo 12622, Egypt; (N.M.H.); (M.M.M.)
| | - Mohamed F. Abdel Rahman
- Department of Biology and Biochemistry, School of Life and Medical Sciences, University of Hertfordshire Hosted by Global Academic Foundation, Cairo 72074, Egypt;
| | - Mahitab H. El Bishbishy
- Department of Pharmacognosy, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), Giza 12451, Egypt;
| | - Ahmed Zayed
- Institute of Bioprocess Engineering, Technical University of Kaiserslautern, Gottlieb-Daimler-Straße 49, 67663 Kaiserslautern, Germany;
- Department of Pharmacognosy, College of Pharmacy, Tanta University, El-Guish Street (Medical Campus), Tanta 31527, Egypt
| | - Roland Ulber
- Institute of Bioprocess Engineering, Technical University of Kaiserslautern, Gottlieb-Daimler-Straße 49, 67663 Kaiserslautern, Germany;
| | - Shahira M. Ezzat
- Department of Pharmacognosy, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), Giza 12451, Egypt;
- Department of Pharmacognosy, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo 11562, Egypt
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Li H, Zhang J, Fu Y, Zhang Y, Zhang C, Sun X, Wu F, He J. Antidiabetic compounds 8a, 8b, 8k, and 9h enhance insulin secretion: activity and mechanism. Endocrine 2021; 71:365-377. [PMID: 33219494 DOI: 10.1007/s12020-020-02537-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 10/01/2020] [Indexed: 12/18/2022]
Abstract
PURPOSE This study primarily investigated the effects of hypoglycemic compounds (Imeglimin derivatives) on insulin secretion in type 2 diabetes mellitus (T2DM), and further explored the possible mechanism underlying these effects. METHODS Firstly, Metformin was used as the initiating compound to synthesize three sets of derivatives which contained Imeglimin structure core. At the cellular level, we screened compounds with better effect on the activity of insulin receptor tyrosine protein kinase (IFcTPK) after the islet β cells were treated with the compounds of different concentrations. The insulin secretion was assessed using radioimmunoassay and the cytotoxicity to islet β cells was evaluated by means of MTT assay following treatment with the compounds. The Ca2+-related mechanism by which these compounds promote insulin secretion was elucidated with whole cell recordings from current-clamp mode. RESULTS Totally, 48 synthesized compounds were generated, wherein 10 compounds could increase the activity of IFcTPK in HIT-T15 cells better among these compounds. The modified Imeglimin, especially in the structure of hydrophilic hydroxyl or piperidine rings, could improve the activity of the compound to promote insulin secretion. Furthermore, the compounds 8a, 8b, 8k, and 9h revealed high insulin secretion-promoting activity. These compounds enhanced insulin secretion in islet β cells by repressing the ATP-sensitive K(+) and voltage-gated K+ pathway. CONCLUSIONS Our findings indicate that the hypoglycemic compounds 8a, 8b, 8k, and 9h confer better promotive effect on insulin secretion, which provides a reference for the development of drugs with better hypoglycemic activity.
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Affiliation(s)
- Hui Li
- Department of Endocrinology, The Second Affiliated Hospital of Qiqihar Medical University, Qiqihar, 161000, PR China
| | - Jian Zhang
- Department of Endocrinology, The Second Affiliated Hospital of Qiqihar Medical University, Qiqihar, 161000, PR China
| | - Yongli Fu
- Department of Endocrinology, The Second Affiliated Hospital of Qiqihar Medical University, Qiqihar, 161000, PR China
| | - Yixin Zhang
- Department of Endocrinology, The Second Affiliated Hospital of Qiqihar Medical University, Qiqihar, 161000, PR China
| | - Chunhui Zhang
- Department of Endocrinology, The Second Affiliated Hospital of Qiqihar Medical University, Qiqihar, 161000, PR China
| | - Xiaozhu Sun
- Department of Endocrinology, The Second Affiliated Hospital of Qiqihar Medical University, Qiqihar, 161000, PR China
| | - Fang Wu
- Department of Hepatology, The Seventh Hospital of Qiqihar, Qiqihar, 161000, PR China
| | - Jing He
- Department of Endocrinology, The Second Affiliated Hospital of Qiqihar Medical University, Qiqihar, 161000, PR China.
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Mohammadi E, Behnam B, Mohammadinejad R, Guest PC, Simental-Mendía LE, Sahebkar A. Antidiabetic Properties of Curcumin: Insights on New Mechanisms. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1291:151-164. [PMID: 34331689 DOI: 10.1007/978-3-030-56153-6_9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Plant extracts have been used to treat a wide range of human diseases. Curcumin, a bioactive polyphenol derived from Curcuma longa L., exhibits therapeutic effects against diabetes while only negligible adverse effects have been observed. Antioxidant and anti-inflammatory properties of curcumin are the main and well-recognized pharmacological effects that might explain its antidiabetic effects. Additionally, curcumin may regulate novel signaling molecules and enzymes involved in the pathophysiology of diabetes, including glucagon-like peptide-1, dipeptidyl peptidase-4, glucose transporters, alpha-glycosidase, alpha-amylase, and peroxisome proliferator-activated receptor gamma (PPARγ). Recent findings from in vitro and in vivo studies on novel signaling pathways involved in the potential beneficial effects of curcumin for the treatment of diabetes are discussed in this review.
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Affiliation(s)
- Elahe Mohammadi
- Student Research Committee, School of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
| | - Behzad Behnam
- Herbal and Traditional Medicines Research Center, Kerman University of Medical Sciences, Kerman, Iran. .,Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran. .,Pharmaceutical Sciences and Cosmetic Products Research Center, Kerman University of Medical Sciences, Kerman, Iran.
| | - Reza Mohammadinejad
- Herbal and Traditional Medicines Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Paul C Guest
- Laboratory of Neuroproteomics, Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas (UNICAMP), Campinas, Brazil
| | | | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran. .,Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran. .,Polish Mother's Memorial Hospital Research Institute (PMMHRI), Lodz, Poland. .,Halal Research Center of IRI, FDA, Tehran, Iran.
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13
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The effects of endurance training and estrogen-related receptor α disruption on mitofusin 1 and 2, GLUT2, PPARβ/δ and SCD1 expression in the liver of diabetic rats. UKRAINIAN BIOCHEMICAL JOURNAL 2020. [DOI: 10.15407/ubj92.06.095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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14
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Saadeldeen FS, Niu Y, Wang H, Zhou L, Meng L, Chen S, Sun-Waterhouse D, Waterhouse GIN, Liu Z, Kang W. Natural products: Regulating glucose metabolism and improving insulin resistance. FOOD SCIENCE AND HUMAN WELLNESS 2020. [DOI: 10.1016/j.fshw.2020.04.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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15
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Anti-Inflammatory and Antioxidant Effects of Carpesium cernuum L. Methanolic Extract in LPS-Stimulated RAW 264.7 Macrophages. Mediators Inflamm 2020; 2020:3164239. [PMID: 32848508 PMCID: PMC7439783 DOI: 10.1155/2020/3164239] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 06/20/2020] [Accepted: 06/30/2020] [Indexed: 02/07/2023] Open
Abstract
A hypernomic reaction or an abnormal inflammatory process could cause a series of diseases, such as cardiovascular disease, neurodegeneration, and cancer. Additionally, oxidative stress has been identified to induce severe tissue injury and inflammation. Carpesium cernuum L. (C. cernuum) is a Chinese folk medicine used for its anti-inflammatory, analgesic, and detoxifying properties. However, the underlying molecular mechanism of C. cernuum in inflammatory and oxidative stress conditions remains largely unknown. The aim of this study was to examine the effects of a methanolic extract of C. cernuum (CLME) on lipopolysaccharide- (LPS-) induced RAW 264.7 mouse macrophages and a sepsis mouse model. The data presented in this study indicated that CLME inhibited LPS-induced production of proinflammatory mediators such as nitric oxide (NO) and prostaglandin E2 (PGE2) in RAW 264.7 cells. CLME treatment also reduced reactive oxygen species (ROS) generation and enhanced the expression of heme oxygenase-1 (HO-1) protein in a dose-dependent manner in the LPS-stimulated RAW 264.7 cells. Moreover, CLME treatment abolished the nuclear translocation of nuclear factor-κB (NF-κB), enhanced the activation of nuclear factor-erythroid 2 p45-related factor 2 (Nrf2), and reduced the expression of extracellular signal-related kinase (ERK) and ERK kinase (MEK) phosphorylation in LPS-stimulated RAW 264.7 cells. These outcomes implied that CLME could be a potential antioxidant and anti-inflammatory agent.
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Effects of a combined fucoidan and traditional Chinese medicine formula on hyperglycaemia and diabetic nephropathy in a type II diabetes mellitus rat model. Int J Biol Macromol 2020; 147:408-419. [DOI: 10.1016/j.ijbiomac.2019.12.201] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 12/14/2019] [Accepted: 12/22/2019] [Indexed: 12/13/2022]
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17
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Liu Z, Xu L, Xing M, Xu X, Wei J, Wang J, Kang W. Trelagliptin succinate: DPP-4 inhibitor to improve insulin resistance in adipocytes. Biomed Pharmacother 2020; 125:109952. [PMID: 32036216 DOI: 10.1016/j.biopha.2020.109952] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2019] [Revised: 01/18/2020] [Accepted: 01/23/2020] [Indexed: 02/07/2023] Open
Abstract
Trelagliptin inhibits the enzyme dipeptidyl-4 (DPP-4) to treat type 2 diabetes and it may possess the potential to improve insulin resistance. However, the molecular mechanism is not known. In this study, the effect of trelagliptin succinate in improving insulin resistance was investigated. The differentiation system of 3T3-L1 mouse preadipocytes was used to determine the content of adipokines and the content of GLUT4 in the outer membrane. The expression of AKT, P-AKT, IRS-1 and P-IRS-1 in differentiated 3T3-L1 adipocytes was determined by western blotting. Our results demonstrated that trelagliptin succinate increased the expression of AKT, P-AKT, IRS-1 and P-IRS-1 in the PI-3K/AKT insulin signaling pathway. These events promote the trans-membrane function of GLUT4 and concomitant glucose intake in adipocytes. In addition, the secretion of free fatty acids and resistin were decreased. In conclusion, our study suggested that trelagliptin succinate improved insulin resistance in adipocytes via regulation of PI-3K/AKT/GLUT4 insulin signaling pathway.
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Affiliation(s)
- Zhenhua Liu
- National R & D Center for Edible Fungus Processing Technology, Henan University, Kaifeng 475004, China; Joint International Research Laboratory of Food & Medicine Resource Function, Henan Province, Kaifeng 475004, China
| | - Lanting Xu
- National R & D Center for Edible Fungus Processing Technology, Henan University, Kaifeng 475004, China; Joint International Research Laboratory of Food & Medicine Resource Function, Henan Province, Kaifeng 475004, China
| | - Meimei Xing
- National R & D Center for Edible Fungus Processing Technology, Henan University, Kaifeng 475004, China; Joint International Research Laboratory of Food & Medicine Resource Function, Henan Province, Kaifeng 475004, China
| | - Xiaojie Xu
- Zhengzhou Mingze Pharmaceutical Technology Co., Ltd. Zhengzhou, 450000, China
| | - Jinfeng Wei
- National R & D Center for Edible Fungus Processing Technology, Henan University, Kaifeng 475004, China; Joint International Research Laboratory of Food & Medicine Resource Function, Henan Province, Kaifeng 475004, China
| | - Jinmei Wang
- National R & D Center for Edible Fungus Processing Technology, Henan University, Kaifeng 475004, China; Joint International Research Laboratory of Food & Medicine Resource Function, Henan Province, Kaifeng 475004, China.
| | - Wenyi Kang
- National R & D Center for Edible Fungus Processing Technology, Henan University, Kaifeng 475004, China; Joint International Research Laboratory of Food & Medicine Resource Function, Henan Province, Kaifeng 475004, China.
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18
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Abdel-Rahman RF, Ezzat SM, Ogaly HA, Abd-Elsalam RM, Hessin AF, Fekry MI, Mansour DF, Mohamed SO. Ficus deltoidea extract down-regulates protein tyrosine phosphatase 1B expression in a rat model of type 2 diabetes mellitus: a new insight into its antidiabetic mechanism. J Nutr Sci 2020; 9:e2. [PMID: 32042410 PMCID: PMC6984126 DOI: 10.1017/jns.2019.40] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 11/29/2019] [Accepted: 12/03/2019] [Indexed: 12/14/2022] Open
Abstract
Ficus deltoidea var. deltoidea Jack (FD) is a well-known plant used in Malay folklore medicine to lower blood glucose in diabetic patients. For further research of the antihyperglycemic mechanisms, the protein tyrosine phosphatase 1B (PTP1B)-inhibitory effect of FD was analysed both in vitro and in vivo. To optimise a method for FD extraction, water, 50, 70, 80, 90 and 95 % ethanol extracts were prepared and determined for their total phenolic and triterpene contents, and PTP1B-inhibition capacity. Among the tested extracts, 70 % ethanol FD extract showed a significant PTP1B inhibition (92·0 % inhibition at 200 µg/ml) and high phenolic and triterpene contents. A bioassay-guided fractionation of the 70 % ethanol extract led to the isolation of a new triterpene (3β,11β-dihydroxyolean-12-en-23-oic acid; F3) along with six known compounds. In vivo, 4 weeks' administration of 70 % ethanol FD extract (125, 250 and 500 mg/kg/d) to streptozotocin-nicotinamide-induced type 2 diabetic rats reversed the abnormal changes of blood glucose, insulin, total Hb, GLUT2, lipid profile, and oxidative stress in liver and pancreas. Moreover, FD reduced the mRNA expression of the key gluconeogenic enzymes (phosphoenolpyruvate carboxykinase and glucose 6-phosphatase) and restored insulin receptor and GLUT2 encoding gene (Slc2a2) expression. In addition, FD significantly down-regulated the hepatic PTP1B gene expression. These results revealed that FD could potentially improve insulin sensitivity, suppress hepatic glucose output and enhance glucose uptake in type 2 diabetes mellitus through down-regulation of PTP1B. Together, our findings give scientific evidence for the traditional use of FD as an antidiabetic agent.
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Key Words
- CAT, catalase
- Dihydroxyolean-12-en-23-oic acid
- FBG, fasting blood glucose
- FD, Ficus deltoidea var. deltoidea Jack
- Ficus deltoidea
- G6Pase, glucose 6-phosphatase
- GPx, glutathione peroxidase
- GSH, reduced glutathione
- Glucose 6-phosphatase
- Glucose transporter-2
- MDA, malondialdehyde
- MET, metformin
- NA, nicotinamide
- PEPCK, phosphoenolpyruvate carboxykinase
- PTP, protein tyrosine phosphatase
- Phosphoenolpyruvate carboxykinase
- Protein tyrosine phosphatase 1B
- SOD, superoxide dismutase
- STZ, streptozotocin
- Slc2a2, GLUT2 gene
- T2DM, type 2 diabetes mellitus
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Affiliation(s)
| | - Shahira M. Ezzat
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Kasr El-Einy Street, Cairo11562, Egypt
- Pharmacognosy Department, Faculty of Pharmacy, October University for Modern Sciences and Arts, 6th October Campus, 12566, Egypt
| | - Hanan A. Ogaly
- Chemistry Department, College of Science, King Khalid University, Abha, Saudi Arabia
- Biochemistry Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Reham M. Abd-Elsalam
- Pathology Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Alyaa F. Hessin
- Pharmacology Department, National Research Centre, Giza, Egypt
- Microbiology and Immunology Department, College of Medicine, University of Illinois, Chicago, IL, USA
| | - Mostafa I. Fekry
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Kasr El-Einy Street, Cairo11562, Egypt
| | - Dina F. Mansour
- Pharmacology Department, National Research Centre, Giza, Egypt
| | - Shanaz O. Mohamed
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Pulau Pinang, Malaysia
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19
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Tu J, Yang Y, Zhang J, Lu G, Ke L, Tong Z, Kasimu M, Hu D, Xu Q, Li W. Regulatory effect of chemerin and therapeutic efficacy of chemerin‑9 in pancreatogenic diabetes mellitus. Mol Med Rep 2020; 21:981-988. [PMID: 31922216 PMCID: PMC7002998 DOI: 10.3892/mmr.2020.10915] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 10/02/2019] [Indexed: 12/13/2022] Open
Abstract
Chemerin is a novel adipokine that regulates immune responses, adipocyte differentiation, and glucose metabolism. However, the role of chemerin in pancreatogenic diabetes mellitus (PDM) remains unknown. PDM is recognized as DM occurring secondary to chronic pancreatitis or pancreatic resection due to the loss of the loss of islet cell mass. The aim of the present study was to investigate the role of chemerin in PDM by collecting blooding samples from DM patients and establishing in vivo PDM model. The present study demonstrated that chemerin levels are decreased in the serum of patients with PDM and are negatively associated with the insulin resistance (IR) status. Chemerin levels also decreased during the development of PDM in C57BL/6 mice, together with increasing serum levels of interleukin-1 and tumor necrosis factor-α and decreasing mRNA expression levels of glucose transporter 2 (GLUT2) and pancreatic and duodenal homeobox 1 (PDX1). Treatment of PDM model mice with chemerin chemokine-like receptor 1 (CMKLR1) agonist, chemerin-9, elevated the serum levels of chemerin and mRNA expression levels of GLUT2 and PDX1, leading to the alleviation of glucose intolerance and IR in these animals. Together, the accumulated data indicated that chemerin may exert a protective function in PDM, perhaps by regulating perhaps by regulating GLUT2 and PDX1 expression, and that the restoration of the chemerin/CMKLR1 pathway may represent a novel therapeutic strategy for PDM.
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Affiliation(s)
- Jianfeng Tu
- Department of General Surgery, Akesu First People's Hospital, Akesu, Xinjiang 843000, P.R. China
| | - Yue Yang
- Hangzhou Medical College, Hangzhou, Zhejiang 310053, P.R. China
| | - Jingzhu Zhang
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210002, P.R. China
| | - Guotao Lu
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210002, P.R. China
| | - Lu Ke
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210002, P.R. China
| | - Zhihui Tong
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210002, P.R. China
| | - Maimaitijiang Kasimu
- Department of General Surgery, Akesu First People's Hospital, Akesu, Xinjiang 843000, P.R. China
| | - Dejun Hu
- Department of General Surgery, Akesu First People's Hospital, Akesu, Xinjiang 843000, P.R. China
| | - Qiuran Xu
- Department of Emergency Medicine, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, Zhejiang 310014, P.R. China
| | - Weiqin Li
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu 210002, P.R. China
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Li L, Yao Y, Zhao J, Cao J, Ma H. Dehydroepiandrosterone protects against hepatic glycolipid metabolic disorder and insulin resistance induced by high fat via activation of AMPK-PGC-1α-NRF-1 and IRS1-AKT-GLUT2 signaling pathways. Int J Obes (Lond) 2020; 44:1075-1086. [PMID: 31911660 DOI: 10.1038/s41366-019-0508-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 11/13/2019] [Accepted: 12/11/2019] [Indexed: 12/21/2022]
Abstract
BACKGROUND/OBJECTIVES Mitochondrial dysfunction, oxidative stress, or fatty liver are the key pathophysiological features for insulin resistance and obesity. Dehydroepiandrosterone (DHEA) can ameliorate obesity and insulin resistance; however, the mechanisms of these actions are poorly understood. The present study aimed to investigate the effect and possible mechanism of DHEA against glycolipid metabolic disorder and insulin resistance. SUBJECTS/METHODS Rats fed a high-fat diet (HFD) and palmitic acid (PA)-induced BRL-3A cells were employed to analyze the effect of DHEA on factors related to metabolic disorder and insulin resistance in vivo and in vitro. RESULTS DHEA prevented lipid metabolism disorders by enhancing phospho (p)-protein kinase AMP-activated catalytic subunit alpha (AMPKα) (Thr172) protein level and its downstream lipid metabolism-related factors in liver of rats fed an HFD or in PA-induced BRL-3A cells. Meanwhile, DHEA ameliorated mitochondrial dysfunction through activation of the AMPK-peroxisome proliferator-activated receptor gamma coactivator 1 alpha (PGC-1α)-nuclear respiratory factor-1 (NRF-1) pathway, which represented as the enhancing of the mtDNA copy number, ATP level, and membrane potential, and decreasing of reactive oxygen species production. Moreover, DHEA alleviated insulin resistance via increasing the phosphorylated insulin receptor substrate 1 (p-IRS1) (Tyr612) level and decreasing that of p-IRS1 (Ser307) level in liver of rats fed an HFD or in PA-induced BRL-3A cells, which subsequently enhanced p-protein kinase B (AKT) (Ser473) and membrane glucose transporter type 2 (GLUT2) expression levels. CONCLUSIONS The protective effect of DHEA on high-fat-induced hepatic glycolipid metabolic disorder and insulin resistance are achieved through activation of the AMPK-PGC-1α-NRF-1 and IRS1-AKT-GLUT2 signaling pathways. The results provide compelling evidence for the mechanism by which DHEA prevents glycolipid metabolic disorder, and suggest its potential applications for controlling diabetes and obesity in animals and humans.
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Affiliation(s)
- Longlong Li
- Key Laboratory of Animal Physiology and Biochemistry, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China.,MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China
| | - Yao Yao
- Key Laboratory of Animal Physiology and Biochemistry, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China.,MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China
| | - Jinlong Zhao
- Key Laboratory of Animal Physiology and Biochemistry, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China.,MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China
| | - Ji Cao
- Key Laboratory of Animal Physiology and Biochemistry, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China.,MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China
| | - Haitian Ma
- Key Laboratory of Animal Physiology and Biochemistry, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China. .,MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China.
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21
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Đorđević M, Grdović N, Mihailović M, Arambašić Jovanović J, Uskoković A, Rajić J, Sinadinović M, Tolić A, Mišić D, Šiler B, Poznanović G, Vidaković M, Dinić S. Centaurium erythraea extract improves survival and functionality of pancreatic beta-cells in diabetes through multiple routes of action. JOURNAL OF ETHNOPHARMACOLOGY 2019; 242:112043. [PMID: 31252092 DOI: 10.1016/j.jep.2019.112043] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 06/24/2019] [Accepted: 06/24/2019] [Indexed: 06/09/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Centaurium erythraea Rafn (CE) is used as a traditional medicinal plant in Serbia to treat different ailments due to its antidiabetic, antipyretic, antiflatulent and detoxification effects. AIM OF THE STUDY Elucidation of the mechanisms that underlie the antioxidant and pro-survival effects of the CE extract (CEE) in beta-cells and pancreatic islets from streptozotocin (STZ)-treated diabetic rats. MATERIAL AND METHODS Diabetes was induced in rats by multiple applications of low doses of STZ (40 mg/kg intraperitoneally (i.p.), for five consecutive days). CEE (100 mg/kg) was administered orally, in the pre-treated group for two weeks before diabetes induction, during the treatments with STZ and for four weeks after diabetes onset, and in the post-treatment group for four weeks after diabetes induction. The impact of CEE on diabetic islets was estimated by histological and immunohistochemical examination of the pancreas. Molecular mechanisms of the effects of CEE were also analyzed in insulinoma Rin-5F cells treated with STZ (12 mM) and CEE (0.25 mg/mL). Oxidative stress was evaluated by assessing the levels of DNA damage, lipid peroxidation, protein S-glutathionylation and enzymatic activities and expression of CAT, MnSOD, CuZnSOD, GPx and GR in beta-cells. The presence and activities of the redox-sensitive and islet-enriched regulatory proteins were also analyzed. RESULTS Treatment with CEE ameliorated the insulin level and glycemic control in STZ-induced diabetic rats by improving the structural and functional properties of pancreatic islets through multiple routes of action. The disturbance of islet morphology and islet cell contents in diabetes was reduced by the CEE treatment and was associated with a protective effect of CEE on the levels of insulin, GLUT-2 and p-Akt in diabetic islets. The antioxidant effect of CEE on STZ-treated beta-cells was displayed as reduced DNA damage, lipid peroxidation, protein S-glutathionylation and alleviation of STZ-induced disruption in MnSOD, CuZnSOD and CAT enzyme activities. The oxidative stress-induced disturbance of the transcriptional regulation of CAT, MnSOD, CuZnSOD, GPx and GR enzymes in beta-cells was improved after the CEE treatment, and was observed as readjustment of the presence and activities of redox-sensitive NFκB-p65, FOXO3A, Sp1 and Nrf-2 transcription factors. The observed CEE-mediated induction of proliferative and pro-survival pathways and insulin expression/secretion after STZ-induced oxidative stress in beta-cells could be partially attributed to a fine-tuned modulation of the activities of pro-survival Akt, ERK and p38 kinases and islet-enriched Pdx-1 and MafA regulatory factors. CONCLUSIONS The results of this study provide evidence that CEE improves the structural and functional properties of pancreatic beta-cells by correcting the endogenous antioxidant regulatory mechanisms and by promoting proliferative and pro-survival pathways in beta-cells.
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Affiliation(s)
- Miloš Đorđević
- Department of Molecular Biology, Institute for Biological Research "Siniša Stanković", University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia.
| | - Nevena Grdović
- Department of Molecular Biology, Institute for Biological Research "Siniša Stanković", University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia.
| | - Mirjana Mihailović
- Department of Molecular Biology, Institute for Biological Research "Siniša Stanković", University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia.
| | - Jelena Arambašić Jovanović
- Department of Molecular Biology, Institute for Biological Research "Siniša Stanković", University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia.
| | - Aleksandra Uskoković
- Department of Molecular Biology, Institute for Biological Research "Siniša Stanković", University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia.
| | - Jovana Rajić
- Department of Molecular Biology, Institute for Biological Research "Siniša Stanković", University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia.
| | - Marija Sinadinović
- Department of Molecular Biology, Institute for Biological Research "Siniša Stanković", University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia.
| | - Anja Tolić
- Department of Molecular Biology, Institute for Biological Research "Siniša Stanković", University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia.
| | - Danijela Mišić
- Department of Plant Physiology, Institute for Biological Research "Siniša Stanković", University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia.
| | - Branislav Šiler
- Department of Plant Physiology, Institute for Biological Research "Siniša Stanković", University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia.
| | - Goran Poznanović
- Department of Molecular Biology, Institute for Biological Research "Siniša Stanković", University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia.
| | - Melita Vidaković
- Department of Molecular Biology, Institute for Biological Research "Siniša Stanković", University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia.
| | - Svetlana Dinić
- Department of Molecular Biology, Institute for Biological Research "Siniša Stanković", University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia.
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Xiong XY, Liang J, Xu YQ, Liu Y. The Tilapia collagen peptide mixture TY001 protects against LPS-induced inflammation, disruption of glucose metabolism, and aberrant expression of circadian clock genes in mice. Chronobiol Int 2019; 36:1013-1023. [PMID: 31060384 DOI: 10.1080/07420528.2019.1606821] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2019] [Revised: 03/20/2019] [Accepted: 04/09/2019] [Indexed: 10/26/2022]
Abstract
The Tilapia collagen peptide mixture TY001 has been shown to accelerate wound healing in streptozotocin-induced diabetic mice and to protect against streptozotocin-induced inflammation and elevation in blood glucose. The goals of the present study are to further study TY001 effects on lipopolysaccharide (LPS)-induced inflammation and metabolic syndrome. LPS is known to disrupt circadian clock to produce toxic effects, the effects of TY001 on rhythmic alterations of serum cytokines and hepatic clock gene expressions were examined. Mice were given TY001 (30 g/L, ≈ 40 g/kg) through the drinking water for 30 days, and on the 21st day of TY001 supplementation, LPS (0.25 mg/kg, ip, daily) was given for 9 days to establish the inflammation model. Repeated LPS injections produced inflammation, impaired glucose metabolism, and suppressed the expression of circadian clock core genes Bmal1 and Clock; clock feedback gene Cry1, Cry2, Per1, and Per2; clock target gene Rev-erbα and RORα. TY001 prevented LPS-induced elevations of TNFα, IL-1β, IL-6, and IL-10 in the liver, along with improved histopathology. TY001 reduced LPS-elevated fasting blood glucose and increased LPS-reduced serum insulin levels, probably via increased glucose transporter GLUT2, enhanced insulin signaling p-Akt and p-IRS-1Try612. Importantly, LPS-induced circadian elevations of serum TNFα and IL-1β and aberrant expression of circadian clock genes in the liver were ameliorated by TY001. Immunohistochemistry revealed that the LPS decreased Bmal1 and Clock protein in the liver, which was recovered by TY001. Taken together, TY001 is effective against LPS-induced inflammation, disruption of glucose metabolism and disruption of circadian clock gene expressions. Abbreviations: TY001: Tilapia collagen peptide mixture; LPS: Lipopolysaccharide; TNFα: Tumor necrosis factor-α; IL-1β: Interleukin-1β; GLUT2: Glucose transporter 2.
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Affiliation(s)
- Xiao-Yun Xiong
- a Yabao Institute of Health Sciences , Yabao Pharmaceutical Group Co., Ltd , Fenglingdu , Shanxi , China
| | - Jun Liang
- b Yabao Production Center , Yabao Pharmaceutical Group Co., Ltd , Fenglingdu, Shanxi , China
| | - Yi-Qiao Xu
- c R&D department , Hunter Biotechnology, Inc , Hangzhou , Zhejiang , China
| | - Yi Liu
- d The Center for Disease Control and Prevention of Shaanxi Province , Xi'an , Shaanxi , China
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23
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Xiao C, Wu Q, Xie Y, Tan J, Ding Y, Bai L. Hypoglycemic mechanisms of Ganoderma lucidum polysaccharides F31 in db/db mice via RNA-seq and iTRAQ. Food Funct 2018; 9:6495-6507. [DOI: 10.1039/c8fo01656a] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
This study provides insight into the system-level hypoglycemic mechanisms of Ganoderma lucidum polysaccharides F31 by the integrative analysis of transcriptomics and proteomics data.
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Affiliation(s)
- Chun Xiao
- State Key Laboratory of Applied Microbiology Southern China
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application
- Guangdong Open Laboratory of Applied Microbiology
- Guangdong Institute of Microbiology
- Guangzhou 510070
| | - Qingping Wu
- State Key Laboratory of Applied Microbiology Southern China
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application
- Guangdong Open Laboratory of Applied Microbiology
- Guangdong Institute of Microbiology
- Guangzhou 510070
| | - Yizhen Xie
- State Key Laboratory of Applied Microbiology Southern China
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application
- Guangdong Open Laboratory of Applied Microbiology
- Guangdong Institute of Microbiology
- Guangzhou 510070
| | - Jianbin Tan
- Department of Toxicology
- Center for Disease Control and Prevention of Guangdong Province
- Guangzhou 510020
- China
| | - YinRun Ding
- State Key Laboratory of Applied Microbiology Southern China
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application
- Guangdong Open Laboratory of Applied Microbiology
- Guangdong Institute of Microbiology
- Guangzhou 510070
| | - Lijuan Bai
- State Key Laboratory of Applied Microbiology Southern China
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application
- Guangdong Open Laboratory of Applied Microbiology
- Guangdong Institute of Microbiology
- Guangzhou 510070
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24
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Habtemariam S. Antidiabetic Potential of Monoterpenes: A Case of Small Molecules Punching above Their Weight. Int J Mol Sci 2017; 19:ijms19010004. [PMID: 29267214 PMCID: PMC5795956 DOI: 10.3390/ijms19010004] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Revised: 12/06/2017] [Accepted: 12/18/2017] [Indexed: 12/19/2022] Open
Abstract
Monoterpenes belong to the terpenoids class of natural products and are bio-synthesized through the mevalonic acid pathway. Their small molecular weight coupled with high non-polar nature make them the most abundant components of essential oils which are often considered to have some general antioxidant and antimicrobial effects at fairly high concentrations. These compounds are however reported to have antidiabetic effects in recent years. Thanks to the ingenious biosynthetic machinery of nature, they also display a fair degree of structural complexity/diversity for further consideration in structure-activity studies. In the present communication, the merit of monoterpenes as antidiabetic agents is scrutinized by assessing recent in vitro and in vivo studies reported in the scientific literature. Both the aglycones and glycosides of these compounds of rather small structural size appear to display antidiabetic along with antiobesity and lipid lowering effects. The diversity of these effects vis-à-vis their structures and mechanisms of actions are discussed. Some key pharmacological targets include the insulin signaling pathways and/or the associated PI3K-AKT (protein kinase B), peroxisome proliferator activated receptor-γ (PPARγ), glucose transporter-4 (GLUT4) and adenosine monophosphate-activated protein kinase (AMPK) pathways; proinflammatory cytokines and the NF-κB pathway; glycogenolysis and gluconeogenesis in the liver; glucagon-like-1 receptor (GLP-1R); among others.
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Affiliation(s)
- Solomon Habtemariam
- Pharmacognosy Research Laboratories & Herbal Analysis Services, University of Greenwich, Central Avenue, Chatham-Maritime, Kent ME4 4TB, UK.
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25
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Knezovic A, Loncar A, Homolak J, Smailovic U, Osmanovic Barilar J, Ganoci L, Bozina N, Riederer P, Salkovic-Petrisic M. Rat brain glucose transporter-2, insulin receptor and glial expression are acute targets of intracerebroventricular streptozotocin: risk factors for sporadic Alzheimer's disease? J Neural Transm (Vienna) 2017; 124:695-708. [PMID: 28470423 DOI: 10.1007/s00702-017-1727-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2016] [Accepted: 04/18/2017] [Indexed: 12/12/2022]
Abstract
Accumulated evidence suggests that the insulin-resistant brain state and cerebral glucose hypometabolism might be the cause, rather than the consequence, of the neurodegeneration found in a sporadic Alzheimer's disease (sAD). We have explored whether the insulin receptor (IR) and the glucose transporter-2 (GLUT2), used here as their markers, are the early targets of intracerebroventricularly (icv) administered streptozotocin (STZ) in an STZ-icv rat model of sAD, and whether their changes are associated with the STZ-induced neuroinflammation. The expression of IR, GLUT2 and glial fibrillary acidic protein (GFAP) was measured by immunofluorescence and western blot analysis in the parietal (PC) and the temporal (TC) cortex, in the hippocampus (HPC) and the hypothalamus. One hour after the STZ-icv administration (1.5 mg/kg), the GFAP immunoreactivity was significantly increased in all four regions, thus indicating the wide spread neuroinflammation, pronounced in the PC and the HPC. Changes in the GLUT2 (increment) and the IR (decrement) expression were mild in the areas close to the site of the STZ injection/release but pronounced in the ependymal lining cells of the third ventricle, thus indicating the possible metabolic implications. These results, together with the finding of the GLUT2-IR co-expression, and also the neuronal IR expression in PC, TC and HPC, indicate that the cerebral GLUT2 and IR should be further explored as the possible sAD etiopathogenic factors. It should be further clarified whether their alterations are the effect of a direct STZ-icv toxicity or they are triggered in a response to STZ-icv induced neuroinflammation.
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Affiliation(s)
- A Knezovic
- Department of Pharmacology and Croatian Institute for Brain Research, University of Zagreb School of Medicine, Salata 11, 10 000, Zagreb, Croatia
| | - A Loncar
- Department of Pharmacology and Croatian Institute for Brain Research, University of Zagreb School of Medicine, Salata 11, 10 000, Zagreb, Croatia.,Department of Neurology, General Hospital Karlovac, Karlovac, Croatia
| | - J Homolak
- Department of Pharmacology and Croatian Institute for Brain Research, University of Zagreb School of Medicine, Salata 11, 10 000, Zagreb, Croatia
| | - U Smailovic
- Department of Pharmacology and Croatian Institute for Brain Research, University of Zagreb School of Medicine, Salata 11, 10 000, Zagreb, Croatia.,Department of Neurobiology, Care Sciences and Society, Division of Clinical Geriatrics, Karolinska Institute, Stockholm, Sweden
| | - J Osmanovic Barilar
- Department of Pharmacology and Croatian Institute for Brain Research, University of Zagreb School of Medicine, Salata 11, 10 000, Zagreb, Croatia
| | - L Ganoci
- Department of Laboratory Diagnostics, University Hospital Centre Zagreb, Zagreb, Croatia
| | - N Bozina
- Department of Pharmacology and Croatian Institute for Brain Research, University of Zagreb School of Medicine, Salata 11, 10 000, Zagreb, Croatia.,Department of Laboratory Diagnostics, University Hospital Centre Zagreb, Zagreb, Croatia
| | - P Riederer
- Centre of Mental Health, Department of Psychiatry, Psychosomatics, and Psychotherapy, University Hospital of Würzburg, Würzburg, Germany
| | - Melita Salkovic-Petrisic
- Department of Pharmacology and Croatian Institute for Brain Research, University of Zagreb School of Medicine, Salata 11, 10 000, Zagreb, Croatia.
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