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Kitikiew S, Chieng ZX, Li CY, Kuo HW, Cheng W. Injection administration of mangosteen, Garcinia mangostana, husk extract enhances physiological and immune-neuroendocrinological regulation of Macrobrachiumrosenbergii. FISH & SHELLFISH IMMUNOLOGY 2023; 141:109019. [PMID: 37634755 DOI: 10.1016/j.fsi.2023.109019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 08/18/2023] [Accepted: 08/18/2023] [Indexed: 08/29/2023]
Abstract
The study aimed to investigate the effects of injecting mangosteen husk hot-water extracts (MHE) on immune and physiological factors in Macrobrachium rosenbergii. Different doses of MHE (10, 20, and 40 μg prawn-1) were injected into the prawns, and various immune and physiological parameters were evaluated. The results revealed that higher doses of MHE (20 and 40 μg prawn-1) led to significant increases in immune parameters, improved phagocytic activity, and clearance efficiency. However, certain parameters, such as phenoloxidase activity per granulocyte, plasma glucose, and lactate levels were decreased after injection. Moreover, prawns injected with MHE and subjected to hypothermal stress exhibited changes in haemolymph dopamine and norepinephrine. Prawns injected with MHE for 7 days showed increased survival rates when challenged with Lactococcus garvieae. The relative survival percentages were 11.8%, 46.6%, and 47.1% for MHE doses of 10, 20, and 40 μg prawn-1 injection, respectively, indicating enhanced resistance to the pathogen. In conclusion, injecting MHE can act as an immunostimulant and physiological and neuroendocrine regulator for prawns, enhancing their resistance to L. garvieae.
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Affiliation(s)
- Suwaree Kitikiew
- Department of Animal Production Technology and Fisheries, Faculty of Agricultural Technology, King Mongkut's Institute of Technology Ladkrabang, Bangkok, 10520, Thailand
| | - Zheng-Xiang Chieng
- Department of Aquaculture, National Pingtung University of Science and Technology, Pingtung, 91201, Taiwan, ROC
| | - Cheng-Ying Li
- Department of Aquaculture, National Pingtung University of Science and Technology, Pingtung, 91201, Taiwan, ROC
| | - Hsin-Wei Kuo
- Department of Aquaculture, National Pingtung University of Science and Technology, Pingtung, 91201, Taiwan, ROC; General Research Service Center, National Pingtung University of Science and Technology, Pingtung, 91201, Taiwan, ROC
| | - Winton Cheng
- Department of Aquaculture, National Pingtung University of Science and Technology, Pingtung, 91201, Taiwan, ROC.
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Liao YJ, Lee CY, Twu YC, Suk FM, Lai TC, Chang YC, Lai YC, Yuan JW, Jhuang HM, Jian HR, Huang LC, Chen KP, Hsu MH. Isolation and Biological Evaluation of Alfa-Mangostin as Potential Therapeutic Agents against Liver Fibrosis. Bioengineering (Basel) 2023; 10:1075. [PMID: 37760177 PMCID: PMC10526009 DOI: 10.3390/bioengineering10091075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 08/18/2023] [Accepted: 08/28/2023] [Indexed: 09/29/2023] Open
Abstract
The increased proliferation and activation of hepatic stellate cells (HSCs) are associated with liver fibrosis development. To date, there are no FDA-approved drugs for the treatment of liver cirrhosis. Augmentation of HSCs apoptosis is one of the resolutions for liver fibrosis. In this study, we extracted α-mangostin (1,3,6-trihydroxy-7-methoxy-2,8-bis(3-methyl-2-butenyl)-9H-xanthen-9-one) from the fruit waste components of mangosteen pericarp. The isolated α-mangostin structure was determined and characterized with nuclear magnetic resonance (NMR) and high-resolution mass spectrometry (HRMS) and compared with those known compounds. The intracellular signaling pathway activities of α-mangostin on Transforming growth factors-beta 1 (TGF-β1) or Platelet-derived growth factor subunit B (PDGF-BB) induced HSCs activation and were analyzed via Western blot and Real-time Quantitative Polymerase Chain Reaction (Q-PCR). α-Mangostin-induced mitochondrial dysfunction and apoptosis in HSCs were measured by seahorse assay and caspase-dependent cleavage. The in vivo anti-fibrotic effect of α-mangostin was assessed by carbon tetrachloride (CCl4) treatment mouse model. The data showed that α-mangostin treatment inhibited TGF-β1-induced Smad2/3 phosphorylation and alpha-smooth muscle actin (α-SMA) expression in HSCs in a dose-dependent manner. Regarding the PDGF-BB-induced HSCs proliferation signaling pathways, α-mangostin pretreatment suppressed the phosphorylation of extracellular-signal-regulated kinase (ERK) and p38. The activation of caspase-dependent apoptosis and dysfunction of mitochondrial respiration (such as oxygen consumption rate, ATP production, and maximal respiratory capacity) were observed in α-mangostin-treated HSCs. The CCl4-induced liver fibrosis mouse model showed that the administration of α-mangostin significantly decreased the expression of the fibrosis markers (α-SMA, collagen-a2 (col1a2), desmin and matrix metalloproteinase-2 (MMP-2)) as well as attenuated hepatic collagen deposition and liver damage. In conclusion, this study demonstrates that α-mangostin attenuates the progression of liver fibrosis through inhibiting the proliferation of HSCs and triggering apoptosis signals. Thus, α-mangostin may be used as a potential novel therapeutic agent against liver fibrosis.
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Affiliation(s)
- Yi-Jen Liao
- School of Medical Laboratory Science and Biotechnology, College of Medical Science and Technology, Taipei Medical University, Taipei 110, Taiwan; (Y.-J.L.)
| | - Chun-Ya Lee
- School of Medical Laboratory Science and Biotechnology, College of Medical Science and Technology, Taipei Medical University, Taipei 110, Taiwan; (Y.-J.L.)
| | - Yuh-Ching Twu
- Department of Biotechnology and Laboratory Science in Medicine, School of Biomedical Science and Engineering, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
| | - Fat-Moon Suk
- Division of Gastroenterology, Department of Internal Medicine, Wan Fang Hospital, Taipei Medical University, Taipei 116, Taiwan
- Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan
| | - Tzu-Chieh Lai
- Department of Chemistry, National Changhua University of Education, Changhua 500, Taiwan
| | - Ya-Ching Chang
- Department of Chemistry, National Changhua University of Education, Changhua 500, Taiwan
| | - Yi-Cheng Lai
- Department of Chemistry, National Changhua University of Education, Changhua 500, Taiwan
| | - Jing-Wei Yuan
- Department of Chemistry, National Changhua University of Education, Changhua 500, Taiwan
| | - Hong-Ming Jhuang
- Department of Chemistry, National Changhua University of Education, Changhua 500, Taiwan
| | - Huei-Ruei Jian
- Department of Chemistry, National Changhua University of Education, Changhua 500, Taiwan
| | - Li-Chia Huang
- Department of Chemistry, National Changhua University of Education, Changhua 500, Taiwan
| | - Kuang-Po Chen
- Department of Chemistry, Chinese Culture University, Taipei 111, Taiwan
| | - Ming-Hua Hsu
- Department of Chemistry, National Changhua University of Education, Changhua 500, Taiwan
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John OD, du Preez R, Panchal SK, Brown L. Tropical foods as functional foods for metabolic syndrome. Food Funct 2021; 11:6946-6960. [PMID: 32692322 DOI: 10.1039/d0fo01133a] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Tropical foods are an integral part of the traditional diet and form part of traditional medicine in many countries. This review examines the potential of tropical foods to treat signs of metabolic syndrome, defined as a chronic low-grade inflammation leading to obesity, hypertension, impaired glucose tolerance, insulin resistance, dyslipidaemia and fatty liver. It is a major risk factor for cardiovascular and metabolic disease as well as osteoarthritis and some cancers. Tropical foods such as seaweeds and tropical fruits including indigenous fruits such as Davidson's plums are effective in reducing these signs of metabolic syndrome in rats, as well as reducing degeneration of bone cartilage and altering gut microbiome. Further, waste products from tropical fruits including mangosteen rind, coffee pulp and spent coffee grounds provide further options to reduce metabolic syndrome. Production of local tropical foods and local recovery of food waste from these foods could allow the development of commercial, sustainable and cost-effective functional foods in tropical countries. The aim is to develop these functional foods to reduce the incidence of metabolic syndrome and decrease the risk of costly chronic cardiovascular and metabolic disorders locally and globally.
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Affiliation(s)
- Oliver D John
- Functional Foods Research Group, University of Southern Queensland, Toowoomba, QLD 4350, Australia.
| | - Ryan du Preez
- Functional Foods Research Group, University of Southern Queensland, Toowoomba, QLD 4350, Australia. and School of Health, Medical and Applied Sciences, Central Queensland University, Rockhampton, QLD 4701, Australia
| | - Sunil K Panchal
- Functional Foods Research Group, University of Southern Queensland, Toowoomba, QLD 4350, Australia. and School of Science, Western Sydney University, Richmond, NSW 2753, Australia
| | - Lindsay Brown
- Functional Foods Research Group, University of Southern Queensland, Toowoomba, QLD 4350, Australia. and School of Health and Wellbeing, University of Southern Queensland, Ipswich, QLD 4305, Australia
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John OD, Mouatt P, Panchal SK, Brown L. Rind from Purple Mangosteen ( Garcinia mangostana) Attenuates Diet-Induced Physiological and Metabolic Changes in Obese Rats. Nutrients 2021; 13:319. [PMID: 33499382 PMCID: PMC7912346 DOI: 10.3390/nu13020319] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/11/2021] [Accepted: 01/14/2021] [Indexed: 12/15/2022] Open
Abstract
The pulp of the purple mangosteen, Garcinia mangostana, is a popular tropical fruit but the rind containing xanthones such as α-mangostin together with procyanidins and anthocyanidins is usually discarded as waste. However, this rind has been used in South-East Asia for diarrhoea, dysentery, skin infections and wounds. As xanthones have reported anti-inflammatory and antioxidant responses, this study has determined the bioactive compounds and evaluated the effects of G. mangostana rind on physiological, metabolic, liver and cardiovascular parameters in rats with diet-induced metabolic syndrome. Rats fed a diet with increased simple sugars and saturated fats developed obesity, hypertension, increased left ventricular stiffness, dyslipidaemia and fatty liver. Administration of G. mangostana rind as 5% of the food to rats with diet-induced metabolic syndrome gave a dose of 168 mg/kg/day α-mangostin, 355 mg/kg/day procyanidins, 3.9 mg/kg/day anthocyanins and 11.8 mg/kg/day hydroxycitric acid for 8 weeks which reduced body weight and attenuated physiological and metabolic changes in rats including decreased abdominal fat deposition, decreased abdominal circumference and whole-body fat mass, improved liver structure and function and improved cardiovascular parameters such as systolic blood pressure, left ventricular stiffness and endothelial function. These responses were associated with decreased infiltration of inflammatory cells, decreased deposition of collagen in both heart and liver and decreased mean adipocyte size in retroperitoneal adipose tissues. We conclude that, in rats with diet-induced metabolic syndrome, chronic intake of G. mangostana rind decreased infiltration of inflammatory cells which decreased physiological, metabolic, liver and cardiovascular symptoms.
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Affiliation(s)
- Oliver D. John
- Functional Foods Research Group, University of Southern Queensland, Toowoomba, QLD 4350, Australia; (O.D.J.); (S.K.P.)
| | - Peter Mouatt
- Southern Cross Plant Science, Southern Cross University, Lismore, NSW 2480, Australia;
| | - Sunil K. Panchal
- Functional Foods Research Group, University of Southern Queensland, Toowoomba, QLD 4350, Australia; (O.D.J.); (S.K.P.)
| | - Lindsay Brown
- Functional Foods Research Group, University of Southern Queensland, Toowoomba, QLD 4350, Australia; (O.D.J.); (S.K.P.)
- School of Health and Wellbeing, University of Southern Queensland, Ipswich, QLD 4305, Australia
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John OD, Mouatt P, Majzoub ME, Thomas T, Panchal SK, Brown L. Physiological and Metabolic Effects of Yellow Mangosteen ( Garcinia dulcis) Rind in Rats with Diet-Induced Metabolic Syndrome. Int J Mol Sci 2019; 21:E272. [PMID: 31906096 PMCID: PMC6981489 DOI: 10.3390/ijms21010272] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 12/06/2019] [Accepted: 12/27/2019] [Indexed: 12/13/2022] Open
Abstract
Metabolic syndrome is a cluster of disorders that increase the risk of cardiovascular disease and diabetes. This study has investigated the responses to rind of yellow mangosteen (Garcinia dulcis), usually discarded as waste, in a rat model of human metabolic syndrome. The rind contains higher concentrations of phytochemicals (such as garcinol, morelloflavone and citric acid) than the pulp. Male Wistar rats aged 8-9 weeks were fed either corn starch diet or high-carbohydrate, high-fat diet for 16 weeks, which were supplemented with 5% freeze-dried G. dulcis fruit rind powder during the last 8 weeks. We characterised metabolic, cardiovascular, liver and gut microbiota parameters. High-carbohydrate, high-fat diet-fed rats developed abdominal obesity, hypertension, increased left ventricular diastolic stiffness, decreased glucose tolerance, fatty liver and reduced Bacteroidia with increased Clostridia in the colonic microbiota. G. dulcis fruit rind powder attenuated these changes, improved cardiovascular and liver structure and function, and attenuated changes in colonic microbiota. G. dulcis fruit rind powder may be effective in metabolic syndrome by appetite suppression, inhibition of inflammatory processes and increased fat metabolism, possibly related to changes in the colonic microbiota. Hence, we propose the use of G. dulcis fruit rind as a functional food to ameliorate symptoms of metabolic syndrome.
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Affiliation(s)
- Oliver D. John
- Functional Foods Research Group, University of Southern Queensland, Toowoomba, QLD 4350, Australia; (O.D.J.); (S.K.P.)
- School of Health and Wellbeing, University of Southern Queensland, Toowoomba, QLD 4350, Australia
| | - Peter Mouatt
- Southern Cross Plant Science, Southern Cross University, Lismore, NSW 2480, Australia;
| | - Marwan E. Majzoub
- Centre for Marine Science and Innovation & School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, NSW 2052, Australia; (M.E.M.); (T.T.)
| | - Torsten Thomas
- Centre for Marine Science and Innovation & School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, NSW 2052, Australia; (M.E.M.); (T.T.)
| | - Sunil K. Panchal
- Functional Foods Research Group, University of Southern Queensland, Toowoomba, QLD 4350, Australia; (O.D.J.); (S.K.P.)
| | - Lindsay Brown
- Functional Foods Research Group, University of Southern Queensland, Toowoomba, QLD 4350, Australia; (O.D.J.); (S.K.P.)
- School of Health and Wellbeing, University of Southern Queensland, Toowoomba, QLD 4350, Australia
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Sharma S, Aware KS, Hatware K, Patil K. Chemistry, Analysis, Pharmacokinetics and Pharmacodynamics Aspects of Lorcaserin, a Selective Serotonin 5-HT2C Receptor Agonist: An Update. Mini Rev Med Chem 2019; 20:768-778. [PMID: 30961494 DOI: 10.2174/1389557519666190408154443] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 02/20/2019] [Accepted: 04/02/2019] [Indexed: 11/22/2022]
Abstract
This review refers to the all-inclusive details of Lorcaserin Hydrochloride on comprehensive information about the synthesis, analytical methods, pharmacodynamics, pharmacokinetics, drug interactions and adverse effects. Lorcaserin Hydrochloride is chemically (R)-8-Chloro-1-methyl-2,3,4,5- tetrahydro-1H-3-benzazepine hydrochloride. Lorcaserin HCl is a novel, synthetic, centrally-acting selective serotonin C (5-HT2c) receptor, l agonist, which results in increased satiety and decreased food consumption in patients. Headache, dizziness and nausea are the most common side effects associated with this drug. Lorcaserin HCl has two major metabolites, one conjugated with glucuronide called N-carbamoyl glucuronide which is excreted in urine and the second Lorcaserin N-sulfamate, which is circulated in the blood. Lorcaserin HCl is synthesized using four different schemes of which a six-step method that resulted in 92.3% yield with 99.8% of purity is employed for scale-up production. It is analyzed quantitatively in the plasma and brain tissue matrix of rats by Ultra Performance Liquid chromatographic (UPLC) method using MS-MS (Mass Spectrometric) detection.
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Affiliation(s)
- Sanjay Sharma
- Quality Assurance, School of Pharmacy and Technology Management, NMIMS, Shirpur, India
| | - Komal S Aware
- Quality Assurance, School of Pharmacy and Technology Management, NMIMS, Shirpur, India
| | - Ketan Hatware
- Pharmacology, School of Pharmacy and Technology Management, NMIMS, Shirpur, India
| | - Kiran Patil
- Pharmaceutics, School of Pharmacy and Technology Management, NMIMS, Shirpur, India
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Cheok CY, Mohd Adzahan N, Abdul Rahman R, Zainal Abedin NH, Hussain N, Sulaiman R, Chong GH. Current trends of tropical fruit waste utilization. Crit Rev Food Sci Nutr 2017; 58:335-361. [PMID: 27246698 DOI: 10.1080/10408398.2016.1176009] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Recent rapid growth of the world's population has increased food demands. This phenomenon poses a great challenge for food manufacturers in maximizing the existing food or plant resources. Nowadays, the recovery of health benefit bioactive compounds from fruit wastes is a research trend not only to help minimize the waste burden, but also to meet the intensive demand from the public for phenolic compounds which are believed to have protective effects against chronic diseases. This review is focused on polyphenolic compounds recovery from tropical fruit wastes and its current trend of utilization. The tropical fruit wastes include in discussion are durian (Durio zibethinus), mangosteen (Garcinia mangostana L.), rambutan (Nephelium lappaceum), mango (Mangifera indica L.), jackfruit (Artocarpus heterophyllus), papaya (Carica papaya), passion fruit (Passiflora edulis), dragon fruit (Hylocereus spp), and pineapple (Ananas comosus). Highlights of bioactive compounds in different parts of a tropical fruit are targeted primarily for food industries as pragmatic references to create novel innovative health enhancement food products. This information is intended to inspire further research ideas in areas that are still under-explored and for food processing manufacturers who would like to minimize wastes as the norm of present day industry (design) objective.
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Affiliation(s)
- Choon Yoong Cheok
- a Department of Chemical and Petroleum Engineering, Faculty of Engineering , UCSI University , KL Campus (South Wing), Kuala Lumpur , Malaysia
| | - Noranizan Mohd Adzahan
- b Faculty of Food Science and Technology, Department of Food Technology , Universiti Putra Malaysia , Selangor Darul Ehsan , Malaysia
| | - Russly Abdul Rahman
- c Faculty of Food Science and Technology, Department of Food Technology , Universiti Putra Malaysia , Selangor Darul Ehsan , Malaysia
| | - Nur Hanani Zainal Abedin
- c Faculty of Food Science and Technology, Department of Food Technology , Universiti Putra Malaysia , Selangor Darul Ehsan , Malaysia
| | - Norhayati Hussain
- b Faculty of Food Science and Technology, Department of Food Technology , Universiti Putra Malaysia , Selangor Darul Ehsan , Malaysia
| | - Rabiha Sulaiman
- b Faculty of Food Science and Technology, Department of Food Technology , Universiti Putra Malaysia , Selangor Darul Ehsan , Malaysia
| | - Gun Hean Chong
- b Faculty of Food Science and Technology, Department of Food Technology , Universiti Putra Malaysia , Selangor Darul Ehsan , Malaysia
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de Las Heras N, Valero-Muñoz M, Martín-Fernández B, Ballesteros S, López-Farré A, Ruiz-Roso B, Lahera V. Molecular factors involved in the hypolipidemic- and insulin-sensitizing effects of a ginger (Zingiber officinale Roscoe) extract in rats fed a high-fat diet. Appl Physiol Nutr Metab 2017; 42:209-215. [PMID: 28125276 DOI: 10.1139/apnm-2016-0374] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2023]
Abstract
Hypolipidemic and hypoglycemic properties of ginger in animal models have been reported. However, information related to the mechanisms and factors involved in the metabolic effects of ginger at a hepatic level are limited. The aim of the present study was to investigate molecular factors involved in the hypoglycemic and hypolipidemic effects of a hydroethanolic ginger extract (GE) in the liver of rats fed a high-fat diet (HFD). The study was conducted in male Wistar rats divided into the following 3 groups: (i) Rats fed a standard diet (3.5% fat), the control group; (ii) rats fed an HFD (33.5% fat); and (iii) rats fed an HFD treated with GE (250 mg·kg-1·day-1) for 5 weeks (HFD+GE). Plasma levels of glucose, insulin, lipid profile, leptin, and adiponectin were measured. Liver expression of glycerol phosphate acyltransferase (GPAT), cholesterol 7 alpha-hydroxylase, peroxisome proliferator-activated receptors (PPAR), PPARα and PPARγ, glucose transporter 2 (GLUT-2), liver X receptor, sterol regulatory element-binding protein (SREBP1c), connective tissue growth factor (CTGF), and collagen I was measured. Data were analyzed using a 1-way ANOVA, followed by a Newman-Keuls test if differences were noted. The study showed that GE improved lipid profile and attenuated the increase of plasma levels of glucose, insulin, and leptin in HFD rats. This effect was associated with a higher liver expression of PPARα, PPARγ, and GLUT-2 and an enhancement of plasma adiponectin levels. Furthermore, GE reduced liver expression of GPAT, SREBP1c, CTGF, and collagen I. The results suggest that GE might be considered as an alternative therapeutic strategy in the management of overweight and hepatic and metabolic-related alterations.
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Affiliation(s)
- Natalia de Las Heras
- a Department of Physiology, Complutense University, School of Medicine, Madrid - 28040, Spain
| | - María Valero-Muñoz
- a Department of Physiology, Complutense University, School of Medicine, Madrid - 28040, Spain
| | | | - Sandra Ballesteros
- a Department of Physiology, Complutense University, School of Medicine, Madrid - 28040, Spain
| | - Antonio López-Farré
- b Department of Medicine, Complutense University, School of Medicine, Madrid - 28040, Spain
| | - Baltasar Ruiz-Roso
- c Department of Nutrition, Complutense University, School of Pharmacy, Madrid - 28040, Spain
| | - Vicente Lahera
- a Department of Physiology, Complutense University, School of Medicine, Madrid - 28040, Spain
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Rashid AM, Lu K, Yip YM, Zhang D. Averrhoa carambola L. peel extract suppresses adipocyte differentiation in 3T3-L1 cells. Food Funct 2016; 7:881-92. [PMID: 26679488 DOI: 10.1039/c5fo01208b] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Obesity is associated with an increased risk of many chronic diseases. Recently, a growing body of evidence has shown that phytochemicals may inhibit adipogenesis and obesity. In this study, we report for the first time, the ability of Averrhoa carambola L. peel extract commonly known as star fruit (SFP) to effectively suppress adipocyte differentiation in 3T3-L1 preadipocytes and therefore, address it as a potential candidate to treat obesity and its related diseases. (-)-Epicatechin was identified as a bioactive compound likely responsible for this suppression. As the genetic expression studies revealed that the adipogenic activity of SFP extract was due to the simultaneous downregulation of the C/EBPα and PPARγ as well as the upregulation of PPARα receptor genes, a detailed computational docking study was also elucidated to reveal the likely binding mode of (-)-epicatechin to the receptor of interest, accounting for the likely mechanism that results in the overall suppression of adipocyte differentiation.
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Affiliation(s)
- Asyifah Mohamed Rashid
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore.
| | - Kaihui Lu
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore.
| | - Yew Mun Yip
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore.
| | - Dawei Zhang
- School of Physics and Engineering, Henan University of Science and Technology, Luoyang 471023, P. R. China and Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore.
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