1
|
Verma N, Raghuvanshi DS, Singh RV. Recent advances in the chemistry and biology of oleanolic acid and its derivatives. Eur J Med Chem 2024; 276:116619. [PMID: 38981335 DOI: 10.1016/j.ejmech.2024.116619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 06/01/2024] [Accepted: 06/22/2024] [Indexed: 07/11/2024]
Abstract
The pentacyclic triterpenes represent a significant class of plant bioactives with a variety of structures and a wide array of biological activities. These are biosynthetically produced via the mevalonate pathway although occasionally mixed pathways may also occur to introduce structural divergence. Oleanolic acid is one of the most explored bioactive from this class of compounds and possesses a broad spectrum of pharmacological and biological activities including liver protection, anti-cancer, atherosclerosis, anti-inflammation, antibacterial, anti-HIV, anti-oxidative, anti-diabetic etc. This review provides an overview of the latest research findings, highlighting the versatile medicinal and biological potential of oleanolic and its future prospects.
Collapse
Affiliation(s)
- Narsingh Verma
- R&D, Technology, and Innovation, Merck-Life Science, Jigani, Bangalore, 560100, India
| | | | - Ravindra Vikram Singh
- R&D, Technology, and Innovation, Merck-Life Science, Jigani, Bangalore, 560100, India.
| |
Collapse
|
2
|
Pereira CFDA, Melo MNDO, de Campos VEB, Pereira IP, Oliveira AP, Rocha MS, Batista JVDC, Paes de Almeida V, Monchak IT, Ricci-Júnior E, Garrett R, Carvalho AGA, Manfron J, Baumgartner S, Holandino C. Self-Nanoemulsifying Drug Delivery System (SNEDDS) Using Lipophilic Extract of Viscum album subsp. austriacum (Wiesb.) Vollm. Int J Nanomedicine 2024; 19:5953-5972. [PMID: 38895147 PMCID: PMC11185262 DOI: 10.2147/ijn.s464508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Accepted: 05/25/2024] [Indexed: 06/21/2024] Open
Abstract
Background and Purpose Natural products are potential sources of anticancer components. Among various species, the lipophilic extract of the Viscum album subsp. austriacum (Wiesb.) Vollm. (VALE) has shown promising therapeutic potential. The present work aimed to qualify the plant source and characterize the extract's chemical profile. In addition, a self-nanoemulsifying drug delivery system (SNEDDS) containing VALE (SNEDDS-VALE) was developed. Methods V. album subsp. austriacum histochemistry was performed, and the chemical profile of VALE was analyzed by GC-MS. After the SNEEDS-VALE development, its morphology was visualized by transmission electron microscopy (TEM), while its stability was evaluated by the average droplet size, polydispersity index (PdI) and pH. Lastly, SNEDDS-VALE chemical stability was evaluated by LC-DAD-MS. Results The histochemical analysis showed the presence of lipophilic compounds in the leaves and stems. The major compound in the VALE was oleanolic acid, followed by lupeol acetate and ursolic acid. SNEDDS was composed of medium chain triglyceride and Kolliphor® RH 40 (PEG-40 hydrogenated castor oil). A homogeneous, isotropic and stable nanoemulsion was obtained, with an average size of 36.87 ± 1.04 nm and PdI of 0.14 ± 0.02, for 14 weeks. Conclusion This is the first histochemistry analysis of V. album subsp. austriacum growing on Pinus sylvestris L. which provided detailed information regarding its lipophilic compounds. A homogeneous, isotropic and stable SNEDDS-VALE was obtained to improve the low water solubility of VALE. Further, in vitro and in vivo experiments should be performed, in order to evaluate the antitumoral potential of SNEDDS-VALE.
Collapse
Affiliation(s)
- Camila Faria de Amorim Pereira
- Multidisciplinary Laboratory of Pharmaceutical Sciences, Faculty of Pharmacy, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Michelle Nonato de Oliveira Melo
- Multidisciplinary Laboratory of Pharmaceutical Sciences, Faculty of Pharmacy, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Ivania Paiva Pereira
- Multidisciplinary Laboratory of Pharmaceutical Sciences, Faculty of Pharmacy, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Adriana Passos Oliveira
- Multidisciplinary Laboratory of Pharmaceutical Sciences, Faculty of Pharmacy, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Mariana Souza Rocha
- Multidisciplinary Laboratory of Pharmaceutical Sciences, Faculty of Pharmacy, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - João Vitor da Costa Batista
- Society for Cancer Research, Hiscia Institute, Arlesheim, Switzerland
- Department of Pharmaceutical Sciences, Division of Pharmaceutical Technology, University of Basel, Basel, Switzerland
| | - Valter Paes de Almeida
- Postgraduate Program in Pharmaceutical Sciences, Universidade Estadual de Ponta Grossa, Ponta Grossa, Paraná, Brazil
| | - Irailson Thierry Monchak
- Postgraduate Program in Pharmaceutical Sciences, Universidade Estadual de Ponta Grossa, Ponta Grossa, Paraná, Brazil
| | - Eduardo Ricci-Júnior
- Galenic Development Laboratory (LADEG), Department of Drugs and Medicines, Faculty of Pharmacy, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Rafael Garrett
- Metabolomics Laboratory, Chemistry Institute, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Jane Manfron
- Postgraduate Program in Pharmaceutical Sciences, Universidade Estadual de Ponta Grossa, Ponta Grossa, Paraná, Brazil
| | - Stephan Baumgartner
- Society for Cancer Research, Hiscia Institute, Arlesheim, Switzerland
- Institute of Integrative Medicine, University of Witten/Herdecke, Herdecke, Germany
- Institute of Complementary and Integrative Medicine, University of Bern, Bern, Switzerland
| | - Carla Holandino
- Multidisciplinary Laboratory of Pharmaceutical Sciences, Faculty of Pharmacy, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Society for Cancer Research, Hiscia Institute, Arlesheim, Switzerland
| |
Collapse
|
3
|
Luo Q, Wei Y, Lv X, Chen W, Yang D, Tuo Q. The Effect and Mechanism of Oleanolic Acid in the Treatment of Metabolic Syndrome and Related Cardiovascular Diseases. Molecules 2024; 29:758. [PMID: 38398510 PMCID: PMC10892503 DOI: 10.3390/molecules29040758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 01/31/2024] [Accepted: 02/04/2024] [Indexed: 02/25/2024] Open
Abstract
Metabolic syndromes (MetS) and related cardiovascular diseases (CVDs) pose a serious threat to human health. MetS are metabolic disorders characterized by obesity, dyslipidemia, and hypertension, which increase the risk of CVDs' initiation and development. Although there are many availabile drugs for treating MetS and related CVDs, some side effects also occur. Considering the low-level side effects, many natural products have been tried to treat MetS and CVDs. A five-cyclic triterpenoid natural product, oleanolic acid (OA), has been reported to have many pharmacologic actions such as anti-hypertension, anti-hyperlipidemia, and liver protection. OA has specific advantages in the treatment of MetS and CVDs. OA achieves therapeutic effects through a variety of pathways, attracting great interest and playing a vital role in the treatment of MetS and CVDs. Consequently, in this article, we aim to review the pharmacological actions and potential mechanisms of OA in treating MetS and related CVDs.
Collapse
Affiliation(s)
- Quanye Luo
- Key Laboratory of Vascular Biology and Translational Medicine, Medical School, Hunan University of Chinese Medicine, Changsha 410208, China; (Q.L.); (Y.W.); (W.C.)
| | - Yu Wei
- Key Laboratory of Vascular Biology and Translational Medicine, Medical School, Hunan University of Chinese Medicine, Changsha 410208, China; (Q.L.); (Y.W.); (W.C.)
| | - Xuzhen Lv
- Key Laboratory for Quality Evaluation of Bulk Herbs of Hunan Province, The School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China;
| | - Wen Chen
- Key Laboratory of Vascular Biology and Translational Medicine, Medical School, Hunan University of Chinese Medicine, Changsha 410208, China; (Q.L.); (Y.W.); (W.C.)
| | - Dongmei Yang
- Key Laboratory of Vascular Biology and Translational Medicine, Medical School, Hunan University of Chinese Medicine, Changsha 410208, China; (Q.L.); (Y.W.); (W.C.)
| | - Qinhui Tuo
- Key Laboratory of Vascular Biology and Translational Medicine, Medical School, Hunan University of Chinese Medicine, Changsha 410208, China; (Q.L.); (Y.W.); (W.C.)
| |
Collapse
|
4
|
Poulios E, Koukounari S, Psara E, Vasios GK, Sakarikou C, Giaginis C. Anti-obesity Properties of Phytochemicals: Highlighting their Molecular Mechanisms against Obesity. Curr Med Chem 2024; 31:25-61. [PMID: 37198988 DOI: 10.2174/0929867330666230517124033] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 04/03/2023] [Accepted: 04/10/2023] [Indexed: 05/19/2023]
Abstract
Obesity is a complex, chronic and inflammatory disease that affects more than one-third of the world's population, leading to a higher incidence of diabetes, dyslipidemia, metabolic syndrome, cardiovascular diseases, and some types of cancer. Several phytochemicals are used as flavoring and aromatic compounds, also exerting many benefits for public health. This study aims to summarize and scrutinize the beneficial effects of the most important phytochemicals against obesity. Systematic research of the current international literature was carried out in the most accurate scientific databases, e.g., Pubmed, Scopus, Web of Science and Google Scholar, using a set of critical and representative keywords, such as phytochemicals, obesity, metabolism, metabolic syndrome, etc. Several studies unraveled the potential positive effects of phytochemicals such as berberine, carvacrol, curcumin, quercetin, resveratrol, thymol, etc., against obesity and metabolic disorders. Mechanisms of action include inhibition of adipocyte differentiation, browning of the white adipose tissue, inhibition of enzymes such as lipase and amylase, suppression of inflammation, improvement of the gut microbiota, and downregulation of obesity-inducing genes. In conclusion, multiple bioactive compounds-phytochemicals exert many beneficial effects against obesity. Future molecular and clinical studies must be performed to unravel the multiple molecular mechanisms and anti-obesity activities of these naturally occurring bioactive compounds.
Collapse
Affiliation(s)
- Efthymios Poulios
- Department of Food Science and Nutrition, School of the Environment, University of the Aegean, Myrina, Lemnos, Greece
| | - Stergia Koukounari
- Department of Food Science and Nutrition, School of the Environment, University of the Aegean, Myrina, Lemnos, Greece
| | - Evmorfia Psara
- Department of Food Science and Nutrition, School of the Environment, University of the Aegean, Myrina, Lemnos, Greece
| | - Georgios K Vasios
- Department of Food Science and Nutrition, School of the Environment, University of the Aegean, Myrina, Lemnos, Greece
| | - Christina Sakarikou
- Department of Food Science and Nutrition, School of the Environment, University of the Aegean, Myrina, Lemnos, Greece
| | - Constantinos Giaginis
- Department of Food Science and Nutrition, School of the Environment, University of the Aegean, Myrina, Lemnos, Greece
| |
Collapse
|
5
|
Pérez-Beltrán YE, González-Becerra K, Rivera-Iñiguez I, Martínez-López E, Ramos-Lopez O, Alcaraz-Mejía M, Rodríguez-Echevarría R, Sáyago-Ayerdi SG, Mendivil EJ. A Nutrigenetic Strategy for Reducing Blood Lipids and Low-Grade Inflammation in Adults with Obesity and Overweight. Nutrients 2023; 15:4324. [PMID: 37892400 PMCID: PMC10609523 DOI: 10.3390/nu15204324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 10/06/2023] [Accepted: 10/08/2023] [Indexed: 10/29/2023] Open
Abstract
The pathogenesis of obesity and dyslipidemia involves genetic factors, such as polymorphisms related to lipid metabolism alterations predisposing their development. This study aimed to evaluate the effect of a nutrigenetic intervention on the blood lipid levels, body composition, and inflammation markers of adults with obesity and overweight. Eleven genetic variants associated with dyslipidemias in Mexicans were selected, and specific nutrigenetic recommendations for these polymorphisms were found. One hundred and one adults were recruited and assigned to follow either a standard or nutrigenetic diet for eight weeks. Anthropometric, biochemical, body composition, and inflammation markers were evaluated through standardized methods. Weighted genetic risk scores (wGRSs) were computed using the study polymorphisms. After intervention, both diets significantly decreased the anthropometric parameters and body composition (p < 0.05). Only the nutrigenetic diet group showed significant reductions in VLDL-c (p = 0.001), triglycerides (p = 0.002), TG:HDL (p = 0.002), IL-6 (p = 0.002), and TNF-α (p = 0.04). wGRSs had a high impact on the ΔTGs and ΔVLDL-c of both groups (standard diet: ΔTGs: Adj R2 = 0.69, p = 0.03; ΔVLDL-c: Adj R2 = 0.71, p = 0.02; nutrigenetic diet: ΔTGs: Adj R2 = 0.49, p = 0.03 and ΔVLDL-c: R2 = 0.29, p = 0.04). This nutrigenetic intervention improved lipid abnormalities in patients with excessive body weight. Hence, nutrigenetic strategies could be coadjuvant tools and enhance the standard dietary treatment for cardiometabolic diseases.
Collapse
Affiliation(s)
- Yolanda E. Pérez-Beltrán
- Laboratorio Integral de Investigación en Alimentos, Tecnológico Nacional de México/Instituto Tecnológico de Tepic, Tepic 63175, Nayarit, Mexico;
| | - Karina González-Becerra
- Departamento de Ciencias Médicas y de la Vida, Centro Universitario de la Ciénega, Instituto de Investigación en Genética Molecular, Universidad de Guadalajara, Ocotlán 47820, Jalisco, Mexico;
| | - Ingrid Rivera-Iñiguez
- Department of Pediatrics, University of California, UCSD Center for Healthy Eating and Activity Research (CHEAR), San Diego, CA 92037, USA;
| | - Erika Martínez-López
- Instituto de Nutrigenética y Nutrigenómica Traslacional, Departamento de Biología Molecular y Genómica, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Jalisco, Mexico; (E.M.-L.); (R.R.-E.)
| | - Omar Ramos-Lopez
- Facultad de Medicina y Psicología, Universidad Autónoma de Baja California, Tijuana 22390, Baja California, Mexico;
| | - Mildreth Alcaraz-Mejía
- Departamento de Electrónica, Sistemas e Informática, ITESO, Unioversidad Jesuita de Guadalajara, Tlaquepaque 45604, Jalisco, Mexico;
| | - Roberto Rodríguez-Echevarría
- Instituto de Nutrigenética y Nutrigenómica Traslacional, Departamento de Biología Molecular y Genómica, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Jalisco, Mexico; (E.M.-L.); (R.R.-E.)
| | - Sonia G. Sáyago-Ayerdi
- Laboratorio Integral de Investigación en Alimentos, Tecnológico Nacional de México/Instituto Tecnológico de Tepic, Tepic 63175, Nayarit, Mexico;
| | - Edgar J. Mendivil
- Departamento de Salud, Universidad Iberoamericana, Ciudad de Mexico 01219, Mexico
| |
Collapse
|
6
|
Takanezawa Y, Nakamura R, Ohshiro Y, Uraguchi S, Kiyono M. Gadolinium-based contrast agents suppress adipocyte differentiation in 3T3-L1 cells. Toxicol Lett 2023; 383:S0378-4274(23)00218-7. [PMID: 37437671 DOI: 10.1016/j.toxlet.2023.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 06/28/2023] [Accepted: 07/09/2023] [Indexed: 07/14/2023]
Abstract
Gadolinium-based contrast agents (GBCAs) are widely used in magnetic resonance imaging (MRI) to improve the sensitivity and enhance diagnostic performance. GBCAs are mostly eliminated from the body through the kidney after administration; however small amounts of gadolinium are retained in the brain and other tissues. Although there is increasing concern about the adverse health effects of gadolinium, the cellular effects of GBCAs remains poorly understood. Here, we elucidated the potential cytotoxicity of the GBCAs Omniscan and Gadovist in 12 different cell lines, especially 3T3-L1 adipocyte cell line. Omniscan and Gadovist treatments significantly increased intracellular gadolinium levels in 3T3-L1 cells in a time- and dose-dependent manner. Additionally, Omniscan and Gadovist treatments downregulated the expression of adipocyte differentiation markers, including peroxisome proliferator-activated receptor γ (PPARG), adiponectin (ADIPOQ), and fatty acid-binding protein (FABP4), in 3T3-L1 cells, especially during early differentiation (day 0-2). Moreover, histological analysis using Oil red O staining showed that gadolinium chloride (GdCl3) treatment suppressed lipid droplet accumulation and the expression of adipocyte differentiation markers. Overall, the results showed that Omniscan and Gadovist treatment suppressed adipocyte differentiation in 3T3-L1 cells, contributing to the understanding of the potential toxic effects of GBCA exposure.
Collapse
Affiliation(s)
- Yasukazu Takanezawa
- Department of Public Health, School of Pharmacy, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan
| | - Ryosuke Nakamura
- Department of Public Health, School of Pharmacy, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan
| | - Yuka Ohshiro
- Department of Public Health, School of Pharmacy, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan
| | - Shimpei Uraguchi
- Department of Public Health, School of Pharmacy, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan
| | - Masako Kiyono
- Department of Public Health, School of Pharmacy, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan.
| |
Collapse
|
7
|
Claro-Cala CM, Jiménez-Altayó F, Zagmutt S, Rodriguez-Rodriguez R. Molecular Mechanisms Underlying the Effects of Olive Oil Triterpenic Acids in Obesity and Related Diseases. Nutrients 2022; 14:nu14081606. [PMID: 35458168 PMCID: PMC9024864 DOI: 10.3390/nu14081606] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 04/07/2022] [Accepted: 04/11/2022] [Indexed: 12/16/2022] Open
Abstract
Dietary components exert protective effects against obesity and related metabolic and cardiovascular disturbances by interfering with the molecular pathways leading to these pathologies. Dietary biomolecules are currently promising strategies to help in the management of obesity and metabolic syndrome, which are still unmet medical issues. Olive oil, a key component of the Mediterranean diet, provides an exceptional lipid matrix highly rich in bioactive molecules. Among them, the pentacyclic triterpenic acids (i.e., oleanolic acid) have gained clinical relevance in the last decade due to their wide range of biological actions, particularly in terms of vascular function, obesity and insulin resistance. Considering the promising effects of these triterpenic compounds as nutraceuticals and components of functional foods against obesity and associated complications, the aim of our review is to decipher and discuss the main molecular mechanisms underlying these effects driven by olive oil triterpenes, in particular by oleanolic acid. Special attention is paid to their signaling and targets related to glucose and insulin homeostasis, lipid metabolism, adiposity and cardiovascular dysfunction in obesity. Our study is aimed at providing a better understanding of the impact of dietary components of olive oil in the long-term management of obesity and metabolic syndrome in humans.
Collapse
Affiliation(s)
- Carmen M. Claro-Cala
- Departament of Pharmacology, Pediatríc y Radiology, Faculty of Medicine, University of Seville, 41009 Seville, Spain;
| | - Francesc Jiménez-Altayó
- Departament de Farmacologia, de Terapèutica i de Toxicologia, Facultat de Medicina, Institut de Neurociències, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain;
| | - Sebastián Zagmutt
- Basic Sciences Department, Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya, 08195 Sant Cugat del Valles, Spain;
| | - Rosalia Rodriguez-Rodriguez
- Basic Sciences Department, Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya, 08195 Sant Cugat del Valles, Spain;
- Correspondence: ; Tel.: +34-935-042-002
| |
Collapse
|
8
|
Vasanth K, Minakshi GC, Velu K, Priya T, Kumar RM, Kaliappan I, Dubey GP. Anti‐adipogenic β‐sitosterol and lupeol from
Moringa oleifera
suppress adipocyte differentiation through regulation of cell cycle progression. J Food Biochem 2022; 46:e14170. [DOI: 10.1111/jfbc.14170] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 02/22/2022] [Accepted: 03/22/2022] [Indexed: 12/22/2022]
Affiliation(s)
- Karunamoorthy Vasanth
- Division of Molecular Biology Interdisciplinary Institute of Indian System of Medicine (IIISM), SRM Institute of Science and Technology Kattankulathur India
| | - Guha Chowdhury Minakshi
- Division of Molecular Biology Interdisciplinary Institute of Indian System of Medicine (IIISM), SRM Institute of Science and Technology Kattankulathur India
| | - Karthick Velu
- Centre for Ocean Research Sathyabama Institute of Science and Technology Chennai India
| | - Tanu Priya
- Division of Molecular Biology Interdisciplinary Institute of Indian System of Medicine (IIISM), SRM Institute of Science and Technology Kattankulathur India
| | - R. Mohan Kumar
- Division of Phytochemistry Interdisciplinary Institute of Indian System of Medicine (IIISM), SRM Institute of Science and Technology Kattankulathur India
| | - Ilango Kaliappan
- Department of Pharmaceutical Chemistry, SRM College of Pharmacy SRM Institute of Science and Technology Kattankulathur India
| | - Govind Prasad Dubey
- National Facility for Tribal and Herbal Medicine Institute of Medical Sciences, Banaras Hindu University Varanasi India
| |
Collapse
|
9
|
Oleanolic Acid: Extraction, Characterization and Biological Activity. Nutrients 2022; 14:nu14030623. [PMID: 35276982 PMCID: PMC8838233 DOI: 10.3390/nu14030623] [Citation(s) in RCA: 74] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/18/2022] [Accepted: 01/25/2022] [Indexed: 11/28/2022] Open
Abstract
Oleanolic acid, a pentacyclic triterpenoid ubiquitously present in the plant kingdom, is receiving outstanding attention from the scientific community due to its biological activity against multiple diseases. Oleanolic acid is endowed with a wide range of biological activities with therapeutic potential by means of complex and multifactorial mechanisms. There is evidence suggesting that oleanolic acid might be effective against dyslipidemia, diabetes and metabolic syndrome, through enhancing insulin response, preserving the functionality and survival of β-cells and protecting against diabetes complications. In addition, several other functions have been proposed, including antiviral, anti-HIV, antibacterial, antifungal, anticarcinogenic, anti-inflammatory, hepatoprotective, gastroprotective, hypolipidemic and anti-atherosclerotic activities, as well as interfering in several stages of the development of different types of cancer; however, due to its hydrophobic nature, oleanolic acid is almost insoluble in water, which has led to a number of approaches to enhance its biopharmaceutical properties. In this scenario, the present review aimed to summarize the current knowledge and the research progress made in the last years on the extraction and characterization of oleanolic acid and its biological activities and the underlying mechanisms of action.
Collapse
|
10
|
Fu H, Shan D, Li J, Swallah MS, Yang X, Ji L, Wang S, Gong H, Lyu B, Yu H. Potential functionality of β-conglycinin with subunit deficiencies: soy protein may regulate glucose and lipid metabolism. Food Funct 2022; 13:12291-12302. [DOI: 10.1039/d2fo02869g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
3T3-L1 pre-adipocytes were used to reveal the impact of subunit-deficient β-conglycinin on cell proliferation, cell adipogenesis, and proteomic expression, and to gain insight into the potential of subunit-deficient β-conglycinin's functional characteristics.
Collapse
Affiliation(s)
- Hongling Fu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
- Division of Soybean Processing, Soybean Research & Development Center, Chinese Agricultural Research System, Changchun 130118, China
| | - Dandan Shan
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
- Division of Soybean Processing, Soybean Research & Development Center, Chinese Agricultural Research System, Changchun 130118, China
| | - Jiaxin Li
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
- Division of Soybean Processing, Soybean Research & Development Center, Chinese Agricultural Research System, Changchun 130118, China
| | - Mohammed Sharif Swallah
- Science Island Branch of Graduate School, University of Science and Technology of China, Hefei 230026, China
| | - Xiaoqing Yang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
- Division of Soybean Processing, Soybean Research & Development Center, Chinese Agricultural Research System, Changchun 130118, China
| | - Lei Ji
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
- Division of Soybean Processing, Soybean Research & Development Center, Chinese Agricultural Research System, Changchun 130118, China
| | - Sainan Wang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
- Division of Soybean Processing, Soybean Research & Development Center, Chinese Agricultural Research System, Changchun 130118, China
| | - Hao Gong
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
- Division of Soybean Processing, Soybean Research & Development Center, Chinese Agricultural Research System, Changchun 130118, China
| | - Bo Lyu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
- Division of Soybean Processing, Soybean Research & Development Center, Chinese Agricultural Research System, Changchun 130118, China
| | - Hansong Yu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China
- Division of Soybean Processing, Soybean Research & Development Center, Chinese Agricultural Research System, Changchun 130118, China
| |
Collapse
|
11
|
Acín S, Muñoz DL, Guillen A, Soscue D, Castaño A, Echeverri F, Balcazar N. Triterpene-enriched fractions from Eucalyptus tereticornis ameliorate metabolic alterations in a mouse model of diet-induced obesity. JOURNAL OF ETHNOPHARMACOLOGY 2021; 265:113298. [PMID: 32860892 DOI: 10.1016/j.jep.2020.113298] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 08/11/2020] [Accepted: 08/16/2020] [Indexed: 06/11/2023]
Abstract
ETNOPHARMACOLOGICAL RELEVANCE Eucalyptus tereticornis Sm. (Eu) is a plant species used in traditional medicine to treat diabetes mellitus. Eu leaf extracts have been shown to regulate immuno-metabolic activities that are associated with obesity and insulin resistance. OBE100 and OBE104 are two natural Eu extracts that are rich in pentacyclic triterpenes. The major compounds identified in OBE100 are ursolic acid (UA), oleanolic acid (OA), and ursolic acid lactone (UAL), and the major compounds identified in OBE104 are UA and OA. AIM OF THE STUDY This study aimed to investigate the effects of two extracts from Eu leaves with different triterpene composition in a nutritional animal model of prediabetes. METHODS A mouse model of diet-induced obesity was used to analyze the effects of the OBE100 and OBE104 treatments on metabolic markers and gene expression in liver and visceral adipose tissue. RESULTS Treating the prediabetic mouse model with OBE100 and OBE104 increased glucose tolerance. However, only the Eu extract that contained three triterpenes reduced mouse body weight, hepatic and adipose fat content, and plasma lipid levels. OBE100 treatment also led to decreased hepatic mRNA levels of PPARA, CPT1A, and SERBP1. In visceral adipose tissue, OBE100 treatment reduced expression of PPARA and ACACA and increased UCP1 expression. CONCLUSIONS These results suggest that developing a new multitargeting bioactive compound from the natural extract from Eu may help combat obesity and diabetes. Treatment with OBE100 had better effects than OBE104 in a diet-induced obesity mouse model, suggesting that the OBE100 extract, which contains three triterpenes, may be beneficial in combating obesity.
Collapse
Affiliation(s)
- Sergio Acín
- Molecular Genetics Group, Universidad de Antioquia, Calle 70, N° 52-21, A.A, 1226, Medellin, Colombia; Department of Physiology and Biochemistry, School of Medicine, Universidad de Antioquia, Calle 70, N° 52-21, A.A, 1226, Medellin, Colombia
| | - Diana Lorena Muñoz
- Department of Physiology and Biochemistry, School of Medicine, Universidad de Antioquia, Calle 70, N° 52-21, A.A, 1226, Medellin, Colombia
| | - Alis Guillen
- Molecular Genetics Group, Universidad de Antioquia, Calle 70, N° 52-21, A.A, 1226, Medellin, Colombia
| | - Duberney Soscue
- Molecular Genetics Group, Universidad de Antioquia, Calle 70, N° 52-21, A.A, 1226, Medellin, Colombia
| | - Adriana Castaño
- Group of Organic Natural Product Chemistry, Faculty of Natural and Exact Sciences, Universidad de Antioquia, Calle 70, N° 52-21, A.A, 1226, Medellin, Colombia
| | - Fernando Echeverri
- Group of Organic Natural Product Chemistry, Faculty of Natural and Exact Sciences, Universidad de Antioquia, Calle 70, N° 52-21, A.A, 1226, Medellin, Colombia
| | - Norman Balcazar
- Molecular Genetics Group, Universidad de Antioquia, Calle 70, N° 52-21, A.A, 1226, Medellin, Colombia; Department of Physiology and Biochemistry, School of Medicine, Universidad de Antioquia, Calle 70, N° 52-21, A.A, 1226, Medellin, Colombia.
| |
Collapse
|
12
|
Ito Y, Morishita K, Nagasawa T. Oleanolic acid induces lipolysis and antioxidative activity in 3T3-L1 adipocytes. FOOD SCIENCE AND TECHNOLOGY RESEARCH 2021. [DOI: 10.3136/fstr.27.511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Yoshiaki Ito
- Biological Chemistry and Food Science, Faculty of Agriculture, Iwate University
| | - Kouki Morishita
- Biological Chemistry and Food Science, Faculty of Agriculture, Iwate University
| | - Takashi Nagasawa
- Biological Chemistry and Food Science, Faculty of Agriculture, Iwate University
| |
Collapse
|
13
|
Chae SI, Yi SA, Nam KH, Park KJ, Yun J, Kim KH, Lee J, Han JW. Morolic Acid 3- O-Caffeate Inhibits Adipogenesis by Regulating Epigenetic Gene Expression. Molecules 2020; 25:molecules25245910. [PMID: 33322233 PMCID: PMC7764869 DOI: 10.3390/molecules25245910] [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: 11/28/2020] [Revised: 12/09/2020] [Accepted: 12/11/2020] [Indexed: 11/16/2022] Open
Abstract
Obesity causes a wide range of metabolic diseases including diabetes, cardiovascular disease, and kidney disease. Thus, plenty of studies have attempted to discover naturally derived compounds displaying anti-obesity effects. In this study, we evaluated the inhibitory effects of morolic acid 3-O-caffeate (MAOC), extracted from Betula schmidtii, on adipogenesis. Treatment of 3T3-L1 cells with MAOC during adipogenesis significantly reduced lipid accumulation and decreased the expression of adiponectin, a marker of mature adipocytes. Moreover, the treatment with MAOC only during the early phase (day 0-2) sufficiently inhibited adipogenesis, comparable with the inhibitory effects observed following MAOC treatment during the whole processes of adipogenesis. In the early phase of adipogenesis, the expression level of Wnt6, which inhibits adipogenesis, increased by MAOC treatment in 3T3-L1 cells. To identify the gene regulatory mechanism, we assessed alterations in histone modifications upon MAOC treatment. Both global and local levels on the Wnt6 promoter region of histone H3 lysine 4 trimethylation, an active transcriptional histone marker, increased markedly by MAOC treatment in 3T3-L1 cells. Our findings identified an epigenetic event associated with inhibition of adipocyte generation by MAOC, suggesting its potential as an efficient therapeutic compound to cure obesity and metabolic diseases.
Collapse
Affiliation(s)
- Sook In Chae
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Korea; (S.I.C.); (S.A.Y.); (K.H.N.); (K.J.P.); (J.Y.); (K.H.K.); (J.L.)
| | - Sang Ah Yi
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Korea; (S.I.C.); (S.A.Y.); (K.H.N.); (K.J.P.); (J.Y.); (K.H.K.); (J.L.)
| | - Ki Hong Nam
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Korea; (S.I.C.); (S.A.Y.); (K.H.N.); (K.J.P.); (J.Y.); (K.H.K.); (J.L.)
| | - Kyoung Jin Park
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Korea; (S.I.C.); (S.A.Y.); (K.H.N.); (K.J.P.); (J.Y.); (K.H.K.); (J.L.)
| | - Jihye Yun
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Korea; (S.I.C.); (S.A.Y.); (K.H.N.); (K.J.P.); (J.Y.); (K.H.K.); (J.L.)
| | - Ki Hyun Kim
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Korea; (S.I.C.); (S.A.Y.); (K.H.N.); (K.J.P.); (J.Y.); (K.H.K.); (J.L.)
| | - Jaecheol Lee
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Korea; (S.I.C.); (S.A.Y.); (K.H.N.); (K.J.P.); (J.Y.); (K.H.K.); (J.L.)
- Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Korea
- Imnewrun Biosciences Inc., Suwon 16419, Korea
| | - Jeung-Whan Han
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Korea; (S.I.C.); (S.A.Y.); (K.H.N.); (K.J.P.); (J.Y.); (K.H.K.); (J.L.)
- Correspondence: ; Tel.: +82-31-290-7716
| |
Collapse
|
14
|
Development and Evaluation of Oleanolic Acid Dosage Forms and Its Derivatives. BIOMED RESEARCH INTERNATIONAL 2020; 2020:1308749. [PMID: 33299854 PMCID: PMC7710427 DOI: 10.1155/2020/1308749] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 08/18/2020] [Accepted: 11/03/2020] [Indexed: 12/11/2022]
Abstract
Oleanolic acid is a pentacyclic triterpenoid compound that exists widely in medicinal herbs and other plants. Because of the extensive pharmacological activity, oleanolic acid has attracted more and more attention. However, the structural characteristics of oleanolic acid prevent it from being directly made into new drugs, which limits the application of oleanolic acid. Through the application of modern preparation techniques and methods, different oleanolic acid dosage forms and derivatives have been designed and synthesized. These techniques can improve the water solubility and bioavailability of oleanolic acid and lay a foundation for the new drug development. In this review, the recent progress in understanding the oleanolic acid dosage forms and its derivatives are discussed. Furthermore, these products were evaluated comprehensively from the perspective of characterization and pharmacokinetics, and this work may provide ideas and references for the development of oleanolic acid preparations.
Collapse
|
15
|
Guru A, Issac PK, Velayutham M, Saraswathi NT, Arshad A, Arockiaraj J. Molecular mechanism of down-regulating adipogenic transcription factors in 3T3-L1 adipocyte cells by bioactive anti-adipogenic compounds. Mol Biol Rep 2020; 48:743-761. [PMID: 33275195 DOI: 10.1007/s11033-020-06036-8] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 11/25/2020] [Indexed: 12/24/2022]
Abstract
Obesity is growing at an alarming rate, which is characterized by increased adipose tissue. It increases the probability of many health complications, such as diabetes, arthritis, cardiac disease, and cancer. In modern society, with a growing population of obese patients, several individuals have increased insulin resistance. Herbal medicines are known as the oldest method of health care treatment for obesity-related secondary health issues. Several traditional medicinal plants and their effective phytoconstituents have shown anti-diabetic and anti-adipogenic activity. Adipose tissue is a major site for lipid accumulation as well as the whole-body insulin sensitivity region. 3T3-L1 cell line model can achieve adipogenesis. Adipocyte characteristics features such as expression of adipocyte markers and aggregation of lipids are chemically induced in the 3T3-L1 fibroblast cell line. Differentiation of 3T3-L1 is an efficient and convenient way to obtain adipocyte like cells in experimental studies. Peroxisome proliferation activated receptor γ (PPARγ) and Cytosine-Cytosine-Adenosine-Adenosine-Thymidine/Enhancer-binding protein α (CCAAT/Enhancer-binding protein α or C/EBPα) are considered to be regulating adipogenesis at the early stage, while adiponectin and fatty acid synthase (FAS) is responsible for the mature adipocyte formation. Excess accumulation of these adipose tissues and lipids leads to obesity. Thus, investigating adipose tissue development and the underlying molecular mechanism is important in the therapeutical approach. This review describes the cellular mechanism of 3T3-L1 fibroblast cells on potential anti-adipogenic herbal bioactive compounds.
Collapse
Affiliation(s)
- Ajay Guru
- SRM Research Institute, SRM Institute of Science and Technology, Kattankulathur, Chennai, Tamil Nadu, 603203, India
| | - Praveen Kumar Issac
- SRM Research Institute, SRM Institute of Science and Technology, Kattankulathur, Chennai, Tamil Nadu, 603203, India
| | - Manikandan Velayutham
- SRM Research Institute, SRM Institute of Science and Technology, Kattankulathur, Chennai, Tamil Nadu, 603203, India
| | - N T Saraswathi
- Molecular Biophysics Lab, School of Chemical and Biotechnology, SASTRA Deemed to be University, Thanjavur, Tamil Nadu, 613401, India
| | - Aziz Arshad
- International Institute of Aquaculture and Aquatic Sciences (I-AQUAS), Universiti Putra Malaysia, 71050, Port Dickson, Negeri Sembilan, Malaysia
- Department of Aquaculture, Faculty of Agriculture, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Jesu Arockiaraj
- SRM Research Institute, SRM Institute of Science and Technology, Kattankulathur, Chennai, Tamil Nadu, 603203, India.
| |
Collapse
|
16
|
Castellano JM, Espinosa JM, Perona JS. Modulation of Lipid Transport and Adipose Tissue Deposition by Small Lipophilic Compounds. Front Cell Dev Biol 2020; 8:555359. [PMID: 33163484 PMCID: PMC7591460 DOI: 10.3389/fcell.2020.555359] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 09/01/2020] [Indexed: 12/14/2022] Open
Abstract
Small lipophilic molecules present in foods of plant origin have relevant biological activities at rather low concentrations. Evidence suggests that phytosterols, carotenoids, terpenoids, and tocopherols can interact with different metabolic pathways, exerting beneficial effects against a number of metabolic diseases. These small molecules can modulate triacylglycerol absorption in the intestine and the biosynthesis of chylomicrons, the lipid carriers in the blood. Once in the bloodstream, they can impact lipoprotein clearance from blood, thereby affecting fatty acid release, incorporation into adipocytes and triglyceride reassembling and deposit. Consequently, some of these molecules can regulate pathophysiological processes associated to obesity and its related conditions, such as insulin resistance, metabolic syndrome and type-2 diabetes. The protective capacity of some lipophilic small molecules on oxidative and chemotoxic stress, can modify the expression of key genes in the adaptive cellular response, such as transcription factors, contributing to prevent the inflammatory status of adipose tissue. These small lipophilic compounds can be incorporated into diet as natural parts of food but they can also be employed to supplement other dietary and pharmacologic products as nutraceuticals, exerting protective effects against the development of metabolic diseases in which inflammation is involved. The aim of this review is to summarize the current knowledge of the influence of dietary lipophilic small biomolecules (phytosterols, carotenoids, tocopherols, and triterpenes) on lipid transport, as well as on the effects they may have on pathophysiological metabolic states, related to obesity, insulin resistance and inflammation, providing an evidence-based summary of their main beneficial effects on human health.
Collapse
Affiliation(s)
- José M Castellano
- Group of Bioactive Compounds, Nutrition and Health, Department of Food and Health, Instituto de la Grasa-Consejo Superior de Investigaciones Científicas, Seville, Spain
| | - Juan M Espinosa
- Group of Bioactive Compounds, Nutrition and Health, Department of Food and Health, Instituto de la Grasa-Consejo Superior de Investigaciones Científicas, Seville, Spain
| | - Javier S Perona
- Group of Bioactive Compounds, Nutrition and Health, Department of Food and Health, Instituto de la Grasa-Consejo Superior de Investigaciones Científicas, Seville, Spain
| |
Collapse
|
17
|
Oleanolic acid induces a dual agonist action on PPARγ/α and GLUT4 translocation: A pentacyclic triterpene for dyslipidemia and type 2 diabetes. Eur J Pharmacol 2020; 883:173252. [DOI: 10.1016/j.ejphar.2020.173252] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 05/21/2020] [Accepted: 06/05/2020] [Indexed: 12/25/2022]
|
18
|
Claro-Cala CM, Quintela JC, Pérez-Montero M, Miñano J, Alvarez de Sotomayor M, Herrera MD, Rodríguez-Rodríguez R. Pomace Olive Oil Concentrated in Triterpenic Acids Restores Vascular Function, Glucose Tolerance and Obesity Progression in Mice. Nutrients 2020; 12:nu12020323. [PMID: 31991894 PMCID: PMC7071211 DOI: 10.3390/nu12020323] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 01/16/2020] [Accepted: 01/22/2020] [Indexed: 02/06/2023] Open
Abstract
Pomace olive oil, an olive oil sub-product, is a promising source of bioactive triterpenoids such as oleanolic acid and maslinic acid. Considering the vascular actions of pomace olive oil and the potential effects of the isolated oleanolic acid on metabolic complications of obesity, this study investigates for the first time the dietary intervention with a pomace olive oil with high concentrations of the triterpenic acids (POCTA), oleanolic and maslinic acid, during diet-induced obesity in mice. The results demonstrate that obese mice, when switched to a POCTA-diet for 10 weeks, show a substantial reduction of body weight, insulin resistance, adipose tissue inflammation, and particularly, improvement of vascular function despite high caloric intake. This study reveals the potential of a functional food based on pomace olive oil and its triterpenic fraction against obesity progression. Our data also contribute to understanding the health-promoting effects attributable to the Mediterranean diet.
Collapse
Affiliation(s)
- Carmen Maria Claro-Cala
- Department of Pharmacology, Pediatric and Radiology, Faculty of Medicine, University of Sevilla, E-41009 Sevilla, Spain;
- Correspondence: (C.M.C.-C.); (R.R.-R.); Tel.: +34-954-550-988 (C.M.C.-C.); +34-935-042-002 (R.R.-R.)
| | | | - Marta Pérez-Montero
- Basic Sciences Department, Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya, E-08195 Sant Cugat del Vallès, Spain;
| | - Javier Miñano
- Department of Pharmacology, Pediatric and Radiology, Faculty of Medicine, University of Sevilla, E-41009 Sevilla, Spain;
| | - María Alvarez de Sotomayor
- Departamento de Farmacología, Facultad de Farmacia, Universidad de Sevilla, E-41012 Sevilla, Spain; (M.A.d.S.); (M.D.H.)
| | - María Dolores Herrera
- Departamento de Farmacología, Facultad de Farmacia, Universidad de Sevilla, E-41012 Sevilla, Spain; (M.A.d.S.); (M.D.H.)
| | - Rosalía Rodríguez-Rodríguez
- Basic Sciences Department, Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya, E-08195 Sant Cugat del Vallès, Spain;
- Correspondence: (C.M.C.-C.); (R.R.-R.); Tel.: +34-954-550-988 (C.M.C.-C.); +34-935-042-002 (R.R.-R.)
| |
Collapse
|
19
|
Casado-Díaz A, Dorado G, Quesada-Gómez JM. Influence of olive oil and its components on mesenchymal stem cell biology. World J Stem Cells 2019; 11:1045-1064. [PMID: 31875868 PMCID: PMC6904865 DOI: 10.4252/wjsc.v11.i12.1045] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 08/29/2019] [Accepted: 11/04/2019] [Indexed: 02/06/2023] Open
Abstract
Extra virgin olive oil is characterized by its high content of unsaturated fatty acid residues in triglycerides, mainly oleic acid, and the presence of bioactive and antioxidant compounds. Its consumption is associated with lower risk of suffering chronic diseases and unwanted processes linked to aging, due to the antioxidant capacity and capability of its components to modulate cellular signaling pathways. Consumption of olive oil can alter the physiology of mesenchymal stem cells (MSCs). This may explain part of the healthy effects of olive oil consumption, such as prevention of unwanted aging processes. To date, there are no specific studies on the action of olive oil on MSCs, but effects of many components of such food on cell viability and differentiation have been evaluated. The objective of this article is to review existing literature on how different compounds of extra virgin olive oil, including residues of fatty acids, vitamins, squalene, triterpenes, pigments and phenols, affect MSC maintenance and differentiation, in order to provide a better understanding of the healthy effects of this food. Interestingly, most studies have shown a positive effect of these compounds on MSCs. The collective findings support the hypothesis that at least part of the beneficial effects of extra virgin olive oil consumption on health may be mediated by its effects on MSCs.
Collapse
Affiliation(s)
- Antonio Casado-Díaz
- CIBER de Fragilidad y Envejecimiento Saludable (CIBERFES), Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario Reina Sofía, Córdoba 14004, Spain
| | - Gabriel Dorado
- Departement Bioquímica y Biología Molecular, Campus Rabanales C6-1-E17, Campus de Excelencia Internacional Agroalimentario (ceiA3), Universidad de Córdoba, CIBERFES, Córdoba 14071, Spain
| | - José Manuel Quesada-Gómez
- Unidad de Gestión Clínica de Endocrinología y Nutrición, CIBER de Fragilidad y Envejecimiento Saludable (CIBERFES), Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario Reina Sofía, Córdoba 14004, Spain.
| |
Collapse
|
20
|
Abstract
Olive-pomace oil is rich in oleic acid, and thus it can be an interesting dietary fat alternative as it can allow reaching the recommendation of consuming 20% of total diet energy in the form of monounsaturated fatty acids. In addition, olive-pomace oil also contains a wide range of minor components that may contribute to its healthy properties. The major components identified with healthy properties are triterpenic dialcohols and acids, squalene, tocopherols, sterols, fatty alcohols and phenolic compounds. The refining process, that the crude pomace-oil must undergo for commercial purposes, significantly reduces the content of phenolic compounds, while the other minor components remain at concentrations which can induce positive health effects, especially on cardiovascular health, outstanding pentacyclic triterpenes and aliphatic fatty alcohols in olive-pomace oil. Numerous in vitro and preclinical studies support that mainly the pure compounds, or extracts isolated from plant sources, play an important role in preventing cardiovascular disease and risk factors. Likewise, tocopherols, squalene and phytosterols, in addition to the minor fraction of phenolic compounds, have shown high biological activity with particular association to the cardiovascular function. In the light of the foregoing, and taking into consideration the absence of clinical studies with olive-pomace oil, it would be of great interest to develop randomized, crossover, controlled, double-blind studies to extend the knowledge and understanding on the health effects of olive-pomace olive.
Collapse
Affiliation(s)
- Raquel Mateos
- Department of Metabolism and Nutrition, Institute of Food Science, Technology and Nutrition (ICTAN), CSIC, Madrid, Spain
| | - Beatriz Sarria
- Department of Metabolism and Nutrition, Institute of Food Science, Technology and Nutrition (ICTAN), CSIC, Madrid, Spain
| | - Laura Bravo
- Department of Metabolism and Nutrition, Institute of Food Science, Technology and Nutrition (ICTAN), CSIC, Madrid, Spain
| |
Collapse
|
21
|
Santos-Lozano JM, Rada M, Lapetra J, Guinda Á, Jiménez-Rodríguez MC, Cayuela JA, Ángel-Lugo A, Vilches-Arenas Á, Gómez-Martín AM, Ortega-Calvo M, Castellano JM. Prevention of type 2 diabetes in prediabetic patients by using functional olive oil enriched in oleanolic acid: The PREDIABOLE study, a randomized controlled trial. Diabetes Obes Metab 2019; 21:2526-2534. [PMID: 31364228 DOI: 10.1111/dom.13838] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 07/12/2019] [Accepted: 07/25/2019] [Indexed: 12/13/2022]
Abstract
AIM To assess whether the regular intake of an oleanolic acid (OA)-enriched olive oil is effective in the prevention of diabetes. METHODS In the PREDIABOLE study, prediabetic individuals (impaired fasting glucose and impaired glucose tolerance) of both sexes (176 patients, aged 30-80 years) were randomized to receive 55 mL/day of OA-enriched olive oil (equivalent dose 30 mg OA/day) [intervention group (IG)] or the same oil not enriched [control group (CG)]. The main outcome was the incidence of new-onset type 2 diabetes in both groups. RESULTS Forty-eight new diabetes cases occurred, 31 in the CG and 17 in the IG. The multivariate-adjusted hazard ratio was 0.45 (95% CI, 0.24-0.83) for the IG compared with the CG. Intervention-related adverse effects were not reported. CONCLUSIONS The intake of OA-enriched olive oil reduces the risk of developing diabetes in prediabetic patients. The results of the PREDIABOLE study promote the use of OA in new functional foods and drugs for the prevention of diabetes in individuals at risk of developing it.
Collapse
Affiliation(s)
- José M Santos-Lozano
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
- Department of Family Medicine, Primary Health District Seville, Seville, Spain
- Department of Medicine, Faculty of Medicine, University of Seville, Seville, Spain
| | - Mirela Rada
- Department of Food and Health, Instituto de la Grasa, Spanish National Research Council (CSIC), Seville, Spain
| | - José Lapetra
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
- Andalusian Public Foundation for the Management of Health Research in Seville (FISEVI), Seville, Spain
| | - Ángeles Guinda
- Department of Food and Health, Instituto de la Grasa, Spanish National Research Council (CSIC), Seville, Spain
| | - María C Jiménez-Rodríguez
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - José A Cayuela
- Department of Food and Health, Instituto de la Grasa, Spanish National Research Council (CSIC), Seville, Spain
| | - Antonio Ángel-Lugo
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Ángel Vilches-Arenas
- Department of Preventive Medicine and Public Health, Faculty of Medicine, University of Seville, Seville, Spain
| | - Ana M Gómez-Martín
- Department of Family Medicine, Primary Health District Seville, Seville, Spain
| | - Manuel Ortega-Calvo
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - José M Castellano
- Department of Food and Health, Instituto de la Grasa, Spanish National Research Council (CSIC), Seville, Spain
| |
Collapse
|
22
|
de Melo KM, de Oliveira FTB, Costa Silva RA, Gomes Quinderé AL, Marinho Filho JDB, Araújo AJ, Barros Pereira ED, Carvalho AA, Chaves MH, Rao VS, Santos FA. α, β-Amyrin, a pentacyclic triterpenoid from Protium heptaphyllum suppresses adipocyte differentiation accompanied by down regulation of PPARγ and C/EBPα in 3T3-L1 cells. Biomed Pharmacother 2018; 109:1860-1866. [PMID: 30551441 DOI: 10.1016/j.biopha.2018.11.027] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 11/03/2018] [Accepted: 11/06/2018] [Indexed: 12/27/2022] Open
Abstract
Previous studies have reported the anti-obesity effects of α, β-Amyrin in high fat-fed mice. This study aimed to evaluate whether α, β-Amyrin has an anti-adipogenic effect in 3T3-L1 murine adipocytes and to explore the possible underlying mechanisms. 3T3-L1 pre-adipocytes were differentiated in a medium containing insulin, dexamethasone, and 1-methyl-3-isobutylxanthine. Cytotoxicity of α, β-Amyrin was assessed by MTT assay. Lipid content in adipocytes was determined by Oil-Red O staining. In addition, the protein expression levels of peroxisome proliferator-activated receptor gamma (PPARγ), CCAAT/enhancer binding proteins alpha (C/EBPα), beta (C/EBPβ), and delta (C/EBPδ) and glucose transporter 4 (GLUT4) were determined by qRT-PCR and western blot analysis. Oil-Red O staining revealed markedly reduced fat accumulation by α, β-Amyrin (6.25-50 μg/mL) without affecting cell viability. Furthermore, our results indicate that α, β-Amyrin can significantly suppress the adipocyte differentiation by downregulating the expression levels of adipogenesis-related key transcription factors such as PPARγ and C/EBPα, but not C/EBPβ or C/EPBδ. In addition, the protein expression of membrane GLUT4 in 3T3- L1 adipocytes treated with α, β-Amyrin was significantly higher than in control cells, indicating that α, β-Amyrin augments glucose uptake. These findings suggest that α, β-Amyrin exerts an anti-adipogenic effect principally via modulation of lipid and carbohydrate metabolism in 3T3-L1cells. The present in vitro findings, taken together with our earlier observation of the anti-obesity effect in vivo, suggest that α, β-Amyrin can be developed as a new therapeutic agent for treatment and prevention of obesity.
Collapse
Affiliation(s)
- Karina Moura de Melo
- Postgraduate Program in Pharmacology, Faculty of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | | | - Rose Anny Costa Silva
- Postgraduate Program in Medical Sciences, Faculty of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Ana Luiza Gomes Quinderé
- Postgraduate Program in Medical Sciences, Faculty of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | | | - Ana Jérsia Araújo
- Research Center on Biodiversity and Biotechnology, Federal University of Piauí, Parnaíba, Piauí, Brazil
| | - Eanes Delgado Barros Pereira
- Postgraduate Program in Medical Sciences, Faculty of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | | | - Mariana Helena Chaves
- Department of Organic Chemistry, Federal University of Piauí, Teresina, Piauí, Brazil
| | - Vietla Satyanarayana Rao
- Department of Physiology and Pharmacology, Natural Products Laboratory, Faculty of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Flávia Almeida Santos
- Department of Physiology and Pharmacology, Natural Products Laboratory, Faculty of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil.
| |
Collapse
|
23
|
Sharma H, Kumar P, Deshmukh RR, Bishayee A, Kumar S. Pentacyclic triterpenes: New tools to fight metabolic syndrome. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2018; 50:166-177. [PMID: 30466975 DOI: 10.1016/j.phymed.2018.09.011] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 06/25/2018] [Accepted: 09/03/2018] [Indexed: 06/09/2023]
Abstract
BACKGROUND Metabolic syndrome is a combination of dysregulated cardiometabolic risk factors characterized by dyslipidemia, impaired glucose tolerance, insulin resistance, inflammation, obesity as well as hypertension. These factors are tied to the increased risk for type-II diabetes and cardiovascular diseases including myocardial infarction in patients with metabolic syndrome. PURPOSE To review the proposed molecular mechanisms of pentacyclic triterpenes for their potential use in the metabolic syndrome. METHODS PubMed, Science Direct, and Google Scholar database were searched from commencement to April 2018. Following keywords were searched in the databases with varying combinations: "metabolic syndrome", "pentacyclic triterpenes", "transcription factors", "protein kinase", "lipogenesis", "adipogenesis", "lipolysis", "fatty acids", "gluconeogenesis", "cardiovascular", "mitochondria", "oxidative stress", "pancreas", "hepatic cells", "skeletal muscle", "3T3-L1", "C2C12", "obesity", "inflammation", "insulin resistance", "glucose uptake", "clinical studies" and "bioavailability". RESULTS Pentacyclic triterpenes, such as asiatic acid, ursolic acid, oleanolic acid, 18β-glycyrrhetinic acid, α,β-amyrin, celastrol, carbenoxolone, corosolic acid, maslinic acid, bardoxolone methyl and lupeol downregulate several metabolic syndrome components by regulating transcription factors, protein kinases and enzyme involved in the adipogenesis, lipolysis, fatty acid oxidation, insulin resistance, mitochondria biogenesis, gluconeogenesis, oxidative stress and inflammation. CONCLUSION In vitro and in vivo studies suggests that pentacyclic triterpenes effectively downregulate various factors related to metabolic syndrome. These phytochemicals may serve as promising candidates for clinical trials for the management of metabolic syndrome.
Collapse
Affiliation(s)
- Hitender Sharma
- Institute of Pharmaceutical Sciences, Kurukshetra University, Kurukshetra, 136 119 Haryana, India
| | - Pushpander Kumar
- Institute of Pharmaceutical Sciences, Kurukshetra University, Kurukshetra, 136 119 Haryana, India
| | - Rahul R Deshmukh
- School of Pharmacy, Lake Erie College of Osteopathic Medicine, Bradenton, FL 34211, USA
| | - Anupam Bishayee
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, FL 34211, USA
| | - Sunil Kumar
- Institute of Pharmaceutical Sciences, Kurukshetra University, Kurukshetra, 136 119 Haryana, India.
| |
Collapse
|
24
|
Ayeleso TB, Matumba MG, Mukwevho E. Oleanolic Acid and Its Derivatives: Biological Activities and Therapeutic Potential in Chronic Diseases. Molecules 2017; 22:molecules22111915. [PMID: 29137205 PMCID: PMC6150249 DOI: 10.3390/molecules22111915] [Citation(s) in RCA: 177] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 10/31/2017] [Indexed: 12/13/2022] Open
Abstract
The increasing demand for natural products as an alternative therapy for chronic diseases has encouraged research into the pharmacological importance of bioactive compounds from plants. Recently, there has been a surge of interest in the therapeutic potential of oleanolic acid (OA) in the prevention and management of chronic diseases. Oleanolic acid is a pentacyclic triterpenoid widely found in plants, including fruits and vegetables with different techniques and chromatography platforms being employed in its extraction and isolation. Several studies have demonstrated the potential therapeutic effects of OA on different diseases and their symptoms. Furthermore, oleanolic acid also serves as a framework for the development of novel semi-synthetic triterpenoids that could prove vital in finding therapeutic modalities for various ailments. There are recent advances in the design and synthesis of chemical derivatives of OA to enhance its solubility, bioavailability and potency. Some of these derivatives have also been therapeutic candidates in a number of clinical trials. This review consolidates and expands on recent reports on the biological effects of oleanolic acid from different plant sources and its synthetic derivatives as well as their mechanisms of action in in vitro and in vivo study models. This review suggests that oleanolic acid and its derivatives are important candidates in the search for alternative therapy in the treatment and management of chronic diseases.
Collapse
Affiliation(s)
- Taiwo Betty Ayeleso
- Department of Biochemistry, North West University, Private Bag X2046, Mmabatho 2735, South Africa.
| | - Mashudu Given Matumba
- Department of Biochemistry, North West University, Private Bag X2046, Mmabatho 2735, South Africa.
| | - Emmanuel Mukwevho
- Department of Biochemistry, North West University, Private Bag X2046, Mmabatho 2735, South Africa.
| |
Collapse
|
25
|
Silva FSG, Oliveira PJ, Duarte MF. Oleanolic, Ursolic, and Betulinic Acids as Food Supplements or Pharmaceutical Agents for Type 2 Diabetes: Promise or Illusion? JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:2991-3008. [PMID: 27012451 DOI: 10.1021/acs.jafc.5b06021] [Citation(s) in RCA: 93] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Oleanolic (OA), ursolic (UA), and betulinic (BA) acids are three triterpenic acids (TAs) with potential effects for treatment of type 2 diabetes (T2DM). Mechanistic studies showed that these TAs act as hypoglycemic and antiobesity agents mainly through (i) reducing the absorption of glucose; (ii) decreasing endogenous glucose production; (iii) increasing insulin sensitivity; (iv) improving lipid homeostasis; and (v) promoting body weight regulation. Besides these promising beneficial effects, it is believed that OA, UA, and BA protect against diabetes-related comorbidities due to their antiatherogenic, anti-inflammatory, and antioxidant properties. We also highlight the protective effect of OA, UA, and BA against oxidative damage, which may be very relevant for the treatment and/or prevention of T2DM. In the present review, we provide an integrative description of the antidiabetic properties of OA, UA, and BA, evaluating the potential use of these TAs as food supplements or pharmaceutical agents to prevent and/or treat T2DM.
Collapse
Affiliation(s)
- Filomena S G Silva
- Centro de Biotecnologia Agrı́cola e Agro-Alimentar do Alentejo (CEBAL)/Instituto Politécnico de Beja (IPBeja) , Apartado 6158, 7801-908 Beja, Portugal
| | - Paulo J Oliveira
- CNC, Center for Neuroscience and Cellular Biology, UC-Biotech Building, Biocant Park, University of Coimbra , 3060-107 Cantanhede, Portugal
| | - Maria F Duarte
- Centro de Biotecnologia Agrı́cola e Agro-Alimentar do Alentejo (CEBAL)/Instituto Politécnico de Beja (IPBeja) , Apartado 6158, 7801-908 Beja, Portugal
| |
Collapse
|
26
|
Sato H, Funaki A, Kimura Y, Sumitomo M, Yoshida H, Fukata H, Ueno K. Ethanol extract of Cyclolepis genistoides D. Don (palo azul) induces formation of myotubes, which involves differentiation of C2C12 myoblast cells. Nutr Res 2016; 36:731-41. [PMID: 27262535 DOI: 10.1016/j.nutres.2016.02.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Revised: 02/12/2016] [Accepted: 02/25/2016] [Indexed: 01/08/2023]
Abstract
In this study, we examined the cell differentiation effect of an ethanol extract of Cyclolepis genistoides D. Don, a herbaceous perennial belonging to the family Asteraceae (vernacular name: palo azul). Palo azul has numerous physiological effects that contribute to the prevention of metabolic syndromes, although the mechanism remains unclear. We previously suggested that palo azul has antidiabetic activity via an adipose differentiation effect. Here, we focused on whether palo azul promoted the differentiation of myoblasts. The mouse muscle myoblast cell line C2C12 was cultured and differentiated using horse serum with or without an ethanol extract of palo azul (12.5-200 μg/mL). Quantitative real-time polymerase chain reaction was performed to evaluate differentiation markers, including insulin-like growth factor-1 and myogenin. To evaluate myotube formation, myosin heavy-chain (MHC) expression and localization were detected by immunohistochemistry. Palo azul increased the expression of the differentiation markers. Furthermore, immunohistochemistry analysis revealed increased formation of MHC myotubes after palo azul treatment along with increased diameter and fusion indices of the myotubes. The expression level of MHC was also increased. In conclusion, palo azul may increase muscle mass in the body and improve insulin resistance conditions by facilitating the formation of myotubes by promoting myocyte differentiation.
Collapse
Affiliation(s)
- Hiromi Sato
- Department of Clinical Pharmacology and Pharmacometrics, Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuou-ku, Chiba-shi, Chiba 260-8675, Japan.
| | - Asami Funaki
- Department of Clinical Pharmacology and Pharmacometrics, Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuou-ku, Chiba-shi, Chiba 260-8675, Japan
| | - Yuki Kimura
- Department of Clinical Pharmacology and Pharmacometrics, Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuou-ku, Chiba-shi, Chiba 260-8675, Japan
| | - Mai Sumitomo
- Department of Clinical Pharmacology and Pharmacometrics, Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuou-ku, Chiba-shi, Chiba 260-8675, Japan
| | - Hiroya Yoshida
- IHM Inc, 7-22-17, Nishigotanda, Shinagawa-ku, Tokyo 141-0031, Japan
| | - Hideki Fukata
- JPD Co. Ltd, 7-98, Kitaitami, Itami-shi, Hyogo 664-0831, Japan
| | - Koichi Ueno
- Center of Preventive Medical Science, Chiba University, 1-8-1 Inohana, Chuou-ku, Chiba-shi, Chiba 260-8675, Japan
| |
Collapse
|
27
|
Bakillah A, Hussain MM. Mice subjected to aP2-Cre mediated ablation of microsomal triglyceride transfer protein are resistant to high fat diet induced obesity. Nutr Metab (Lond) 2016; 13:1. [PMID: 26752997 PMCID: PMC4706691 DOI: 10.1186/s12986-016-0061-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2015] [Accepted: 01/03/2016] [Indexed: 02/06/2023] Open
Abstract
Background Microsomal triglyceride transfer protein (MTP) is essential for the assembly of lipoproteins. MTP has been shown on the surface of lipid droplets of adipocytes; however its function in adipose tissue is not well defined. We hypothesized that MTP may play critical role in adipose lipid droplet formation and expansion. Methods Plasmids mediated overexpression and siRNA mediated knockdown of Mttp gene were performed in 3T3-L1 pre-adipocytes to evaluate the effects of MTP on cell differentiation and triglyceride accumulation. Adipose-specific knockdown of MTP was achieved in mice bybreeding MTP floxed (Mttpfl/fl) mice with aP2-Cre recombinase transgenic mice. Adipose-specific MTP deficient (A-Mttp-/-) mice were fed 60 % high-fat diet (HFD), and the effects of MTP knockdown on body weight, body fat composition, plasma and tissues lipid composition, glucose metabolism, lipogenesis and intestinal absorption was studied. Lipids were measured in total fasting plasma and size fractionated plasma using colorimetric assays. Gene expression was investigated by Real-Time quantitative PCR. All data was assessed using t-test, ANOVA. Results MTP expression increased during early differentiation in 3T3-L1 cells, and declined later. The increases in MTP expression preceded PPARγ expression. MTP overexpression enhanced lipid droplets formation, and knockdown attenuated cellular lipid accumulation. These studies indicated that MTP positively affects adipogenesis. The ablation of the Mttp gene using aP2-Cre (A-Mttp-/-) in mice resulted in a lean phenotype when fed a HFD. These mice had reduced white adipose tissue compared with wild-type Mttpfl/fl mice. The adipose tissue of A-Mttp-/- mice had increased number of smaller size adipocytes and less macrophage infiltration. Further, these mice were protected from HFD-induced fatty liver. The A-Mttp-/- mice had moderate increase in plasma triglyceride, but normal cholesterol, glucose and insulin levels. Gene expression analysis showed that the adipose tissue of the A-Mttp-/- mice had significantly lower mRNA levels of PPARγ and its downstream targets. Conclusion These data suggest that MTP might modulate adipogenesis by influencing PPARγ expression, and play a role in the accretion of lipids to form larger lipid droplets. Thus, agents that inactivate adipose MTP may be useful anti-obesity drugs.
Collapse
Affiliation(s)
- Ahmed Bakillah
- Department of Cell Biology, SUNY Downstate Medical Center, 450 Clarkson Avenue, Brooklyn, NY 11203 USA ; Department of Pediatrics, SUNY Downstate Medical Center, 450 Clarkson Avenue, Brooklyn, NY 11203 USA
| | - M Mahmood Hussain
- Department of Cell Biology, SUNY Downstate Medical Center, 450 Clarkson Avenue, Brooklyn, NY 11203 USA ; Department of Pediatrics, SUNY Downstate Medical Center, 450 Clarkson Avenue, Brooklyn, NY 11203 USA ; VA New York Harbor Healthcare System, Brooklyn, NY 11209 USA
| |
Collapse
|
28
|
Wang X, Hai C. Redox modulation of adipocyte differentiation: hypothesis of "Redox Chain" and novel insights into intervention of adipogenesis and obesity. Free Radic Biol Med 2015; 89:99-125. [PMID: 26187871 DOI: 10.1016/j.freeradbiomed.2015.07.012] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Revised: 06/19/2015] [Accepted: 07/08/2015] [Indexed: 02/08/2023]
Abstract
In view of the global prevalence of obesity and obesity-associated disorders, it is important to clearly understand how adipose tissue forms. Accumulating data from various laboratories implicate that redox status is closely associated with energy metabolism. Thus, biochemical regulation of the redox system may be an attractive alternative for the treatment of obesity-related disorders. In this work, we will review the current data detailing the role of the redox system in adipocyte differentiation, as well as identifying areas for further research. The redox system affects adipogenic differentiation in an extensive way. We propose that there is a complex and interactive "redox chain," consisting of a "ROS-generating enzyme chain," "combined antioxidant chain," and "transcription factor chain," which contributes to fine-tune the regulation of ROS level and subsequent biological consequences. The roles of the redox system in adipocyte differentiation are paradoxical. The redox system exerts a "tridimensional" mechanism in the regulation of adipocyte differentiation, including transcriptional, epigenetic, and posttranslational modulations. We suggest that redoxomic techniques should be extensively applied to understand the biological effects of redox alterations in a more integrated way. A stable and standardized "redox index" is urgently needed for the evaluation of the general redox status. Therefore, more effort should be made to establish and maintain a general redox balance rather than to conduct simple prooxidant or antioxidant interventions, which have comprehensive implications.
Collapse
Affiliation(s)
- Xin Wang
- Department of Toxicology, Shaanxi Key Lab of Free Radical Biology and Medicine, the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Fourth Military Medical University, Xi'an, 710032, China.
| | - Chunxu Hai
- Department of Toxicology, Shaanxi Key Lab of Free Radical Biology and Medicine, the Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Fourth Military Medical University, Xi'an, 710032, China.
| |
Collapse
|
29
|
Topical Anti-inflammatory Activity of New Hybrid Molecules of Terpenes and Synthetic Drugs. Molecules 2015; 20:11219-35. [PMID: 26096431 PMCID: PMC6272242 DOI: 10.3390/molecules200611219] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Revised: 05/28/2015] [Accepted: 06/11/2015] [Indexed: 02/01/2023] Open
Abstract
The aim of the study was to assess changes in the activity of anti-inflammatory terpenes from Chilean medicinal plants after the formation of derivatives incorporating synthetic anti-inflammatory agents. Ten new hybrid molecules were synthesized combining terpenes (ferruginol (1), imbricatolic acid (2) and oleanolic acid (3)) with ibuprofen (4) or naproxen (5). The topical anti-inflammatory activity of the compounds was assessed in mice by the arachidonic acid (AA) and 12-O-tetradecanoyl phorbol 13-acetate (TPA) induced ear edema assays. Basal cytotoxicity was determined towards human lung fibroblasts, gastric epithelial cells and hepatocytes. At 1.4 µmol/mouse, a strong anti-inflammatory effect in the TPA assay was observed for oleanoyl ibuprofenate 12 (79.9%) and oleanoyl ibuprofenate methyl ester 15 (80.0%). In the AA assay, the best activity was observed for 12 at 3.2 µmol/mouse, with 56.8% reduction of inflammation, in the same range as nimesulide (48.9%). All the terpenyl-synthetic anti-inflammatory hybrids showed better effects in the TPA assay, with best activity for 6, 12 and 15. The cytotoxicity of the compounds 8 and 10 with a free COOH, was higher than that of 2. The derivatives from 3 were less toxic than the triterpene. Several of the new compounds presented better anti-inflammatory effect and lower cytotoxicity than the parent terpenes.
Collapse
|
30
|
The study of oleanolic acid on the estrodiol production and the fat production of mouse preadipocyte 3T3-L1 in vitro. Hum Cell 2014; 28:5-13. [DOI: 10.1007/s13577-014-0097-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2014] [Accepted: 06/13/2014] [Indexed: 01/19/2023]
|
31
|
Zhang L, Jia X, Dong J, Chen D, Liu J, Zhang L, Wen X. Synthesis and evaluation of novel oleanolic acid derivatives as potential antidiabetic agents. Chem Biol Drug Des 2014; 83:297-305. [PMID: 24119242 DOI: 10.1111/cbdd.12241] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2013] [Revised: 08/28/2013] [Accepted: 09/24/2013] [Indexed: 10/26/2022]
Abstract
Antidiabetic agents simultaneously inhibiting hepatic glucose production and stimulating hepatic glucose consumption could apply a better control over hyperglycemia. A series of oleanolic acid derivatives with bulky substituents at C-3 position were designed and synthesized in order to search for this kind of agents. All of the compounds were evaluated biologically in vitro using glycogen phosphorylase and HepG2 cells. The results indicated that several derivatives exhibited moderate-to-good inhibitory activities against glycogen phosphorylase. Compound 8g showed the best inhibition with an IC50 value of 5.4 μm. Moreover, most of the derivatives were found to increase the glucose consumption in HepG2 cells in a dose-dependent manner. The possible binding mode of compound 8g with glycogen phosphorylase was also explored by docking study. 8g was found to have hydrogen bonding interactions with Arg193, Arg310, and Arg60 of the allosteric site.
Collapse
Affiliation(s)
- Liying Zhang
- Key Laboratory of Traditional Chinese Medicine Research and Development of Hebei Province, Institute of Traditional Chinese Medicine, Chengde Medical University, Chengde, 067000, China
| | | | | | | | | | | | | |
Collapse
|
32
|
Kim HS, Han SY, Sung HY, Park SH, Kang MK, Han SJ, Kang YH. Blockade of visfatin induction by oleanolic acid via disturbing IL-6-TRAF6-NF-κB signaling of adipocytes. Exp Biol Med (Maywood) 2014; 239:284-92. [PMID: 24459190 DOI: 10.1177/1535370213514511] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Oleanolic acid is a pentacyclic triterpenoid naturally present in foods and medicinal plants with anticancer, antioxidant, and antiaging properties. The current study elucidated that oleanolic acid inhibited the production of insulin-mimetic and inflammatory adipokine of visfatin during adipogenic differentiation of 3T3-L1 adipocytes. Adipocytes were cultured in an adipogenic media with and without 1-25 µM oleanolic acid up to 8 days for differentiation. The cellular expression and secretion of visfatin was markedly enhanced in differentiating adipocytes, which was dose-dependently attenuated by 1-25 µM oleanolic acid. Secretion of interleukin (IL)-6 and macrophage inflammatory protein (MIP)-2 was highly elevated during differentiation, which was much earlier than visfatin production of adipocytes. The visfatin production was secondary to inflammatory IL-6 and MIP-2. This study further elucidated that nuclear factor-κB (NF-κB) signaling was responsible for cellular production of visfatin. NF-κB was activated by translocating into the nucleus with increased phosphorylation of inhibitory κB (IκB), which was disturbed by oleanolic acid. Cellular expression of tumor necrosis factor receptor associated factor 6 (TRAF6), a NF-κB upstream, was upregulated in parallel with transactivation with NF-κB. The TRAF6 induction required the auto-stimulation of inflammatory IL-6 and MIP-2. These results demonstrate that oleanolic acid inhibited visfatin and its inflammatory response during adipocyte differentiation through blocking IL-6-TRAF6-NF-κB signaling. Therefore, oleanolic acid may be a potent therapeutic agent targeting against adipogenesis and visfatin-linked inflammation.
Collapse
Affiliation(s)
- Hyun-Sung Kim
- Department of Food Science and Nutrition, Hallym University, Chuncheon 200-702, Korea
| | | | | | | | | | | | | |
Collapse
|
33
|
Cyclolepis genistoides D. Don (palo azul) promotes differentiation of adipocytes and regulates adipokine expression. Nutr Res 2013; 33:922-31. [DOI: 10.1016/j.nutres.2013.07.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2013] [Revised: 07/12/2013] [Accepted: 07/15/2013] [Indexed: 02/05/2023]
|
34
|
The Korean Mistletoe (Viscum album coloratum) Extract Has an Antiobesity Effect and Protects against Hepatic Steatosis in Mice with High-Fat Diet-Induced Obesity. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2013; 2013:168207. [PMID: 23935653 PMCID: PMC3725881 DOI: 10.1155/2013/168207] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/05/2013] [Accepted: 04/14/2013] [Indexed: 01/07/2023]
Abstract
This study investigates the inhibitory effects of Korean mistletoe extract (KME) on adipogenic factors in 3T3-L1 cells and obesity and nonalcoholic fatty liver disease (NAFLD) in mice fed a high-fat diet. Male C57Bl/6 mice fed a high-fat diet were treated with KME (3 g/kg/day) for 15 weeks for the antiobesity and NAFLD experiments. Body weight and daily food intake were measured regularly during the experimental period. The epididymal pad was measured and liver histology was observed. The effects of KME on thermogenesis and endurance capacity were measured. The effects of KME on adipogenic factors were examined in 3T3-L1 cells. Body and epididymal fat pad weights were reduced in KME-treated mice, and histological examination showed an amelioration of fatty liver in KME-treated mice, without an effect on food consumption. KME potently induces mitochondrial activity by activating thermogenesis and improving endurance capacity. KME also inhibited adipogenic factors in vitro. These results demonstrate the inhibitory effects of KME on obesity and NAFLD in mice fed a high-fat diet. The effects appear to be mediated through an enhanced mitochondrial activity. Therefore, KME may be an effective therapeutic candidate for treating obesity and fatty liver caused by a high-fat diet.
Collapse
|
35
|
Castellano JM, Guinda A, Delgado T, Rada M, Cayuela JA. Biochemical basis of the antidiabetic activity of oleanolic acid and related pentacyclic triterpenes. Diabetes 2013; 62:1791-9. [PMID: 23704520 PMCID: PMC3661625 DOI: 10.2337/db12-1215] [Citation(s) in RCA: 157] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Oleanolic acid (OA), a natural component of many plant food and medicinal herbs, is endowed with a wide range of pharmacological properties whose therapeutic potential has only partly been exploited until now. Throughout complex and multifactorial mechanisms, OA exerts beneficial effects against diabetes and metabolic syndrome. It improves insulin response, preserves functionality and survival of β-cells, and protects against diabetes complications. OA may directly modulate enzymes connected to insulin biosynthesis, secretion, and signaling. However, its major contributions appear to be derived from the interaction with important transduction pathways, and many of its effects are consistently related to activation of the transcription factor Nrf2. Doing that, OA induces the expression of antioxidant enzymes and phase II response genes, blocks NF-κB, and represses the polyol pathway, AGEs production, and hyperlipidemia. The management of type 2 diabetes requires an integrated approach, which includes the early intervention to prevent or delay the disease progression, and the use of therapies to control glycemia and lipidemia in its late stages. In this sense, the use of functional foods or drugs containing OA is, undoubtedly, an interesting path.
Collapse
Affiliation(s)
- Jose M Castellano
- Instituto de la Grasa, Consejo Superior de Investigaciones Cientificas, Seville, Spain.
| | | | | | | | | |
Collapse
|
36
|
Kim HS, Sung HY, Kim MS, Kim JL, Kang MK, Gong JH, Park HS, Kang YH. Oleanolic acid suppresses resistin induction in adipocytes by modulating Tyk-STAT signaling. Nutr Res 2013; 33:144-53. [PMID: 23399665 DOI: 10.1016/j.nutres.2012.12.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2012] [Revised: 12/15/2012] [Accepted: 12/27/2012] [Indexed: 01/08/2023]
Abstract
Oleanolic acid, a naturally occurring triterpenoid widely distributed in foods and medicinal plants, has anticancer, antioxidant, and antiaging properties. We hypothesized that oleanolic acid would suppress the production of the inflammatory adipokine resistin during adipogenic differentiation of 3T3-L1 adipocytes. 3T3-L1 adipocytes were cultured in adipogenic media with and without 1 to 25 μM oleanolic acid for up to 8 days to stimulate adipocyte differentiation. Adipocyte production of resistin was markedly enhanced during differentiation and was dose dependently attenuated by 1 to 25 μM oleanolic acid. This study further investigated whether Tyk2-Stat1/3 signaling was responsible for cellular production of resistin. Signal transducer and activator of transcription factor (STAT) 1 and STAT3 were activated during differentiation in a disparate temporal fashion; STAT1 was maximally phosphorylated on day 5 after initiating differentiation, whereas STAT3 was rapidly activated within 1 day of differentiation. When oleanolic acid was supplied to differentiating adipocytes, STAT1 and STAT3 phosphorylation was substantially suppressed. Upstream Tyk2 was rapidly activated in a manner similar to STAT3 and reactivated on days 3 to 5 after initiating differentiation, which was attenuated by incubating adipocytes with oleanolic acid. In addition, cellular expression of suppressor of cytokine signaling 3 (SOCS3), which inhibits Tyk2 activity, was markedly promoted from day 5 of adipocyte differentiation. Oleanolic acid attenuated SOCS3 expression, which was highly enhanced during the late phase of differentiation. Taken together, oleanolic acid suppressed adipocyte differentiation-associated resistin and adipogenesis production by disturbing the Tyk2-STAT1/3 signaling pathway and promoting SOCS3 expression. Therefore, oleanolic acid may be a possible bioactive agent that blunts adipogenesis and adipokine inflammation.
Collapse
Affiliation(s)
- Hyun-Sung Kim
- Department of Food Science and Nutrition, Hallym University, Chuncheon 200-702, Republic of Korea
| | | | | | | | | | | | | | | |
Collapse
|
37
|
Xu J, Kulkarni SR, Donepudi AC, More VR, Slitt AL. Enhanced Nrf2 activity worsens insulin resistance, impairs lipid accumulation in adipose tissue, and increases hepatic steatosis in leptin-deficient mice. Diabetes 2012; 61:3208-18. [PMID: 22936178 PMCID: PMC3501889 DOI: 10.2337/db11-1716] [Citation(s) in RCA: 128] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
The study herein determined the role of nuclear factor erythoid 2-related factor 2 (Nrf2) in the pathogenesis of hepatic steatosis, insulin resistance, obesity, and type 2 diabetes. Lep(ob/ob)-Keap1-knockdown (KD) mice, which have increased Nrf2 activity, were generated. Markers of obesity and type 2 diabetes were measured in C57Bl/6J, Keap1-KD, Lep(ob/ob), and Lep(ob/ob)-Keap1-KD mice. Lep(ob/ob)-Keap1-KD mice exhibited less lipid accumulation, smaller adipocytes, decreased food intake, and reduced lipogenic gene expression. Enhanced Nrf2 activity impaired insulin signaling, prolonged hyperglycemia in response to glucose challenge, and induced insulin resistance in Lep(ob/ob) background. Nrf2 augmented hepatic steatosis and increased lipid deposition in liver. Next, C57Bl/6J and Keap1-KD mice were fed a high-fat diet (HFD) to determine whether Keap1 and Nrf2 impact HFD-induced obesity. HFD-induced obesity and lipid accumulation in white adipose tissue was decreased in Keap1-KD mice. Nrf2 activation via Keap1-KD or sulforaphane suppressed hormone-induced differentiation and decreased peroxisome proliferator-activated receptor-γ, CCAAT/enhancer-binding protein α, and fatty acid-binding protein 4 expression in mouse embryonic fibroblasts. Constitutive Nrf2 activation inhibited lipid accumulation in white adipose tissue, suppressed adipogenesis, induced insulin resistance and glucose intolerance, and increased hepatic steatosis in Lep(ob/ob) mice.
Collapse
|
38
|
Tsai SC, Liang YH, Chiang JH, Liu FC, Lin WH, Chang SJ, Lin WY, Wu CH, Weng JR. Anti-inflammatory effects of Calophyllum inophyllum L. in RAW264.7 cells. Oncol Rep 2012; 28:1096-102. [PMID: 22735972 DOI: 10.3892/or.2012.1873] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2012] [Accepted: 05/21/2012] [Indexed: 11/06/2022] Open
Abstract
Calophyllum inophyllum L. has been used as folk medicine in the treatment of ocular burn and it has demonstrated potential to be an anti-inflammatory agent. The aim of this study was to explore the anti-inflammatory activities of an acetone extract of C. inophyllum L. leaves (CIL). The CIL extract was tested on lipopolysaccharide (LPS)-induced RAW 264.7 cells to evaluate the effect of CIL extract on the expression of nitric oxide (NO) and inducible nitric oxide synthase (iNOS). Results showed that the CIL extract markedly suppressed the LPS-induced production of nitric oxide, as well as the expression of iNOS, cyclooxygenase (COX)-2 and nuclear factor-kappaB (NF-κB) in a dose-dependent manner. LPS-induced microRNA (miR)-146a expression was inhibited by CIL extract, while miR-155 and miR-424 expression was not affected as demonstrated using quantitative RT-PCR analysis. Taken together, these observations show that CIL extract has anti-inflammatory effect, which extends the potential application for prevention of inflammatory diseases, and its mechanism may be partially associated with blocking COX-2 and iNOS of RAW 264.7 cells.
Collapse
Affiliation(s)
- Shih-Chang Tsai
- Department of Biological Science and Technology, School of Pharmacy, China Medical University, Taichung 40402, Taiwan, ROC
| | | | | | | | | | | | | | | | | |
Collapse
|
39
|
Madlala HP, Masola B, Singh M, Musabayane CT. The effects of Syzygium aromaticum-derived oleanolic acid on kidney function of male Sprague-Dawley rats and on kidney and liver cell lines. Ren Fail 2012; 34:767-76. [PMID: 22512664 DOI: 10.3109/0886022x.2012.678172] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Studies indicate that Syzygium spp-derived oleanolic acid (OA) enhances renal function of streptozotocin (STZ)-induced diabetic rats as evidenced by its reversal of the previously reported inability of the kidney to excrete Na(+) in these animals. We postulated that OA influences Na(+) excretion in the proximal tubule, the site where two-thirds of filtered NaCl is reabsorbed through a process mediated by transport proteins. Therefore, the study investigated the effects of OA on proximal tubular Na(+) handling in male Sprague-Dawley rats using renal lithium clearance (C(Li)). Renal C(Li) has been used widely in animal and clinical studies to assess proximal tubular function. Sub-chronic doses of OA were administered to rats twice every third day for 5 weeks. Rats treated with deionized water served as control animals. Cytotoxicity of OA on kidney and liver cell lines was assessed by the MTT and comet assays. OA increased Na(+) excretion of conscious male Sprague-Dawley rats from week 3 to week 5. By the end of the 5-week experimental period, OA treatment significantly reduced (p < 0.05) plasma creatinine concentration of STZ-induced diabetic rats with a concomitant elevation in glomerular filtration rate (GFR). Acute OA infusion was also associated with increases in fractional excretion of sodium (FE(Na)) and lithium (FE(Li)) in anesthetized rats in the absence of significant changes in GFR. The MTT assay studies demonstrated that OA increased the metabolic activity of kidney and liver cell lines. Taken together with previous observations, this study implicates the proximal tubule in OA-evoked increases in urinary Na(+) output.
Collapse
Affiliation(s)
- Hlengiwe P Madlala
- Discipline of Human Physiology, Faculty of Medicine, University of KwaZulu-Natal, Durban, South Africa
| | | | | | | |
Collapse
|
40
|
Ghosh C, Chung HY, Nandre RM, Lee JH, Jeon TI, Kim IS, Yang SH, Hwang SG. An active extract of Ulmus pumila inhibits adipogenesis through regulation of cell cycle progression in 3T3-L1 cells. Food Chem Toxicol 2012; 50:2009-15. [PMID: 22445738 DOI: 10.1016/j.fct.2012.03.056] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2011] [Revised: 03/07/2012] [Accepted: 03/14/2012] [Indexed: 01/25/2023]
Abstract
Obesity and its associated metabolic disorders has become a major obstacle in improving the average life span. In this regard therapeutic approach using natural compounds are currently receiving much attention. Herbal compounds rich in triterpenes are well known to regulate glucose and lipid metabolism. Here, we have found that Ulmus pumila (UP) contained at least four different triterpenoids and inhibited adipogenesis of 3T3-L1 cells. The cell viability was dose dependently decreased by UP showing the increase of cell accumulation in G1 phase while reducing in S and G2/M phase of cell cycle. UP treatment also significantly decreased the GPDH activity and intracellular lipid accumulation. In addition, UP inhibited the mRNA levels of adipogenic transcription factors and lipogenic genes such as PPARγ, C/EBPα, SREBP1c and FAS while showing no effects on C/EBP-β and C/EBP-δ. Importantly enough, treatment of cells with UP suppressed the TNF-α induced activation of NF-κB signaling. Collectively, our results indicate that UP extract effectively attenuated adipogenesis by controlling cell cycle progression and down regulating adipogenic gene expression.
Collapse
Affiliation(s)
- Chiranjit Ghosh
- Department of Animal Life and Environmental Science, Hankyong National University, Gyeonggi-do 456-749, Republic of Korea
| | | | | | | | | | | | | | | |
Collapse
|