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Muniroh M, Nindita Y, Karlowee V, Purwoko Y, Rahmah ND, Widyowati R, Suryono S. Effect of Garcinia mangostana pericarp extract on glial NF-κB levels and expression of serum inflammation markers in an obese-type 2 diabetes mellitus animal model. Biomed Rep 2021; 15:63. [PMID: 34113445 PMCID: PMC8188163 DOI: 10.3892/br.2021.1439] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 05/17/2021] [Indexed: 12/16/2022] Open
Abstract
Type 2 diabetes mellitus (T2DM) is an age-related disease associated with cerebral inflammation and Alzheimer's disease. Garcinia mangostana pericarp (GMP) possesses antihyperglycemic, antidiabetic and anti-inflammatory effects. The aim of the present study was to evaluate the effect of GMP extract on cerebral inflammation in Wistar rats with T2DM by examining the expression levels of glial nuclear factor-κB (NF-κB), interleukin (IL)-6, tumor necrosis factor-α (TNF-α) and superoxide dismutase (SOD). A total of 36 8-10-week-old male Wistar rats were randomly divided into six groups and provided a standard diet (normal control; C1), high-fat diet (HFD) with 200 g/kg GMP extract BW/day (GMP control; C2), HFD with streptozotocin-nicotinamide (diabetic control; C3), and HFD with 100 (M1), 200 (M2) or 400 g/kg body weight (BW)/day (M3) GMP extract for Wistar rats with diabetes. GMP extract was administered for 8 weeks after induction of T2DM was confirmed. Glial NF-κB activity was assessed by immunohistochemical staining, and by measuring IL-6 levels, TNF-α levels and SOD activity in the serum using ELISA. BW significantly increased following HFD treatment. After 7 weeks, the BW remained significantly higher compared with the normal control and GMP extract-treated groups, but decreased continuously in the T2DM groups. Glial NF-κB immunoreaction in the hippocampal region was significantly higher in the diabetic Wistar rats compared with the normal control Wistar rats, and 200 g/kg BW/day GMP significantly reduced its activity. The T2DM Wistar rats showed significantly higher expression levels of serum IL-6 and TNF-α and lower activity of SOD compared with the normal control Wistar rats. Meanwhile, rats in GMP groups M1, M2 and M3 exhibited significant reductions in the levels of IL-6 and TNF-α expression, and increases in SOD activity. GMP extract treatment effectively reduced hippocampal NF-κB, IL-6 and TNF-α levels and increased antioxidant SOD activity. These results suggest that GMP extract prevents cerebral inflammation in T2DM Wistar rats.
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Affiliation(s)
- Muflihatul Muniroh
- Department of Physiology, Faculty of Medicine Diponegoro University, Semarang, Java 50275, Indonesia
| | - Yora Nindita
- Department of Pharmacology and Therapeutics, Faculty of Medicine Diponegoro University, Semarang, Java 50275, Indonesia
| | - Vega Karlowee
- Department of Anatomical Pathology, Faculty of Medicine Diponegoro University, Semarang, Java 50275, Indonesia
| | - Yosef Purwoko
- Department of Physiology, Faculty of Medicine Diponegoro University, Semarang, Java 50275, Indonesia.,Department of Internal Medicine, Faculty of Medicine Diponegoro University, Semarang, Java 50275, Indonesia
| | - Nadya Diena Rahmah
- Department of Nutrition Science, Faculty of Medicine Diponegoro University, Semarang, Java 50275, Indonesia
| | - Retno Widyowati
- Department of Pharmaceutical Science, Faculty of Pharmacy Airlangga University, Surabaya, East Java 60115, Indonesia
| | - Suryono Suryono
- Department of Physics, Faculty of Science and Mathematics Diponegoro University, Semarang, Java 50275, Indonesia
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Kumboyono K, Chomsy IN, Nurwidyaningtyas W, Cesa FY, Tjahjono CT, Wihastuti TA. Differences in senescence of late Endothelial Progenitor Cells in non-smokers and smokers. Tob Induc Dis 2021; 19:10. [PMID: 34131419 PMCID: PMC8171388 DOI: 10.18332/tid/135320] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 01/30/2021] [Accepted: 03/31/2021] [Indexed: 02/04/2023] Open
Abstract
INTRODUCTION Endothelial Progenitor Cells (EPCs) are part of hematopoietic stem cells that differentiate into endothelial cells during their blood vessels' maturation process. The role of EPCs is widely known to contribute to repair of the vascular wall when endothelial dysfunction occurs. However, various risk factors for cardiovascular disease (CVD) influence EPC performance, leading to endothelial dysfunction. One EPC dysfunction is decreased amount of EPC mobilization to the injured tissue. EPC dysfunction reduces the angiogenetic function of EPCs. The vital maturation process that the EPCs must pass is the late phase. The dysfunction of late EPCs is known as senescence. This study aimed to identify and compare senescence of late EPCs, through CD62E and CD41 markers, in non-smokers and smokers as a risk factor for CVD. METHODS EPC collection was from peripheral mononuclear cells (PBMCs) in non-smokers (n=30) and smokers (n=31). The EPCs were then marked by CD62E/CD41 and senescence β-galactosidase assay using FACS. Identification of senescence cells was based on fluorescence with DAPI. RESULTS Positive percentage of late EPCs in non-smokers was not significantly different from that in smokers (p=0.014). The number of senescent late EPCs in smokers was higher than in non-smokers (p<0.0001). CONCLUSIONS Endothelial progenitor cells that experienced senescence in the smokers showed EPC dysfunction, which resulted in decreased cell angiogenic function. Further research is needed to explain the mechanism of re-endothelialization failure in EPC dysfunction due to smoking.
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Affiliation(s)
- Kumboyono Kumboyono
- School of Nursing, Faculty of Medicine, University of Brawijaya, Malang, Indonesia
| | | | | | | | - Cholid Tri Tjahjono
- Department of Cardiology, Faculty of Medicine, University of Brawijaya, Malang, Indonesia
| | - Titin Andri Wihastuti
- Department of Basic Nursing Science, Faculty of Medicine, University of Brawijaya, Malang, Indonesia
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Cunha LF, Ongaratto MA, Endres M, Barschak AG. Modelling hypercholesterolaemia in rats using high cholesterol diet. Int J Exp Pathol 2021; 102:74-79. [PMID: 33710712 PMCID: PMC7981591 DOI: 10.1111/iep.12387] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 12/02/2020] [Accepted: 12/19/2020] [Indexed: 12/12/2022] Open
Abstract
Hypercholesterolaemia is a complex condition with multiple causes, including both lifestyle and genetic aspects. It is also a risk factor for cardiovascular diseases (CVDs), which are responsible for 172 million deaths/year. Although the reasons for hypercholesterolaemia are known, there are many critical questions that remain to be answered so that new therapeutics can be developed. In order to elucidate the pathobiology of this condition, animal models can mimic the pathology of human hypercholesterolaemia. One example of an animal model is induced by the hypercholesterolaemic diet in Wistar rats. The present review first summarizes the current understanding of the metabolic profile involved in hypercholesterolaemia in humans. Next it comments about the lack of consensus as to which hypercholesterolaemia induction protocol should be used. The present work aimed to review experimental studies that induced hypercholesterolaemia in Wistar rats it was not intended to judge the "best" model, since they all achieved the goal of inducing an increase in serum cholesterol.
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Affiliation(s)
- Luiza Ferracini Cunha
- Programa de Pós‐Graduação em Ciências da SaúdeUniversidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA)Porto AlegreBrazil
| | | | - Marcelo Endres
- Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA)Porto AlegreBrazil
| | - Alethea Gatto Barschak
- Programa de Pós‐Graduação em Ciências da SaúdeUniversidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA)Porto AlegreBrazil
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Garcinia mangostana extract and curcumin ameliorate oxidative stress, dyslipidemia, and hyperglycemia in high fat diet-induced obese Wistar albino rats. Sci Rep 2021; 11:7278. [PMID: 33790313 PMCID: PMC8012579 DOI: 10.1038/s41598-021-86545-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Accepted: 03/08/2021] [Indexed: 12/15/2022] Open
Abstract
The aim of this study was to explore the effects of Garcinia mangostana (mangosteen) and Curcuma longa independently and synergistically in modulating oxidative stress, dyslipidemia, and hyperglycemia commonly observed in high-fat diet-induced obesity in rodent models. Male albino Wistar rats were divided into eight experimental groups, fed on a normal diet or high-fat diet (HFD), then given mangosteen extract (400 mg /kg /day) and/or curcumin (80 mg/kg /day) for 6 weeks. Oxidative stress markers, glucose, and lipid fractions were measured in the sera. Mangosteen pericarp extract (MPE) induced a remarkable decrease in BMI (from 0.86 to 0.81 gm/cm2), while curcuma either alone or in combination was more effective, as treated rats recorded BMIs of 0.78 and 0.79 gm/cm2, respectively. Regarding the antioxidant effects, MPE induced a significant increase of GSH in obese rats (123.86 ± 15.53 μg/ml vs 288.72 ± 121.37 μg/ml). As anti-atherogenic agents MPE demonstrate significant effect recorded higher level of HDL-C in treated animals, but ineefective as anti-dyslipidemic agent. Curcumin was more effective in reducing LDL-C levels in obese rats. Both extracts effectively reduced blood glucose. The present study demonstrated that MPE and curcumin were independently and synergistically effective in treating obesity-induced atherogenesis.
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Heriansyah T, Chomsy IN, Kumboyono K, Pratiwi PA, Wihastuti TA. Expression of Hypoxia-Inducible Factor-1α (HIF1A) and Lp-PLA2 in Low, Intermediate, and High Cardiovascular Disease Risk Population. Vasc Health Risk Manag 2020; 16:507-513. [PMID: 33299319 PMCID: PMC7720284 DOI: 10.2147/vhrm.s283367] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 11/19/2020] [Indexed: 11/23/2022] Open
Abstract
Background The pathomechanism of CVD is a complex and multifactorial process. The primary mechanism of CVD is atherosclerosis. Inflammation in atherogenesis raises the risk of hypoxia, which will activate hypoxia-inducible factor-1α (HIF1A). Also, together with lipoprotein-associated phospholipase A2 (Lp-PLA2), an inflammatory mediator for atherogenesis. Purpose This study aims to measure the hypoxia-inducible factor-1α (HIF1A) expression and its correlation to Lp-PLA2 expression at low-risk, intermediate, and high-risk CVD populations. Patients and Methods The study used a correlational analysis method with a total sampling technique in 160 individuals in the risk population. The atherosclerosis risk group was analyzed using the Framingham Risk Score and categorized into low, intermediate, and high-risk groups. Venous blood samples taken from respondents were measured using the ELISA method with Lp-PLA2 and HIF-1α as parameters. Data were analyzed using normality test, homogeneity test, one-way ANOVA, post hoc-Tukey HSD, and Pearson correlation. Results The concentration of HIF1A had a very strong correlation with Lp-PLA2 expression, both in the low-risk group (r = 0.512), intermediate (r = 0.512), and high (r = 0.715) (P <0.05). However, the concentrations of Lp-PLA2 did not match the FRS. Conclusion HIF1A expression increased with increasing risk, while Lp-PLA2 expression decreased with increasing risk of atherosclerosis based on the FRS category. There is a significant correlation between HIF1A expression and Lp-PLA2 expression based on FRS.
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Affiliation(s)
- Teuku Heriansyah
- Department of Cardiology and Vascular Medicine, Syiah Kuala University, Banda Aceh 23111, Indonesia
| | - Indah Nur Chomsy
- Master Program in Biomedical Science, Faculty of Medicine, Brawijaya University, Malang 65145, Indonesia
| | - Kumboyono Kumboyono
- Nursing Department, Faculty of Medicine, University of Brawijaya, Malang 65145, Indonesia
| | | | - Titin Andri Wihastuti
- Department of Biomedicine, Faculty of Medicine, Brawijaya University, Malang 65145, Indonesia
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Arozal W, Louisa M, Soetikno V. Selected Indonesian Medicinal Plants for the Management of Metabolic Syndrome: Molecular Basis and Recent Studies. Front Cardiovasc Med 2020; 7:82. [PMID: 32435657 PMCID: PMC7218133 DOI: 10.3389/fcvm.2020.00082] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Accepted: 04/16/2020] [Indexed: 12/12/2022] Open
Abstract
Increased prevalence of metabolic syndrome (MetS) in the world influences quality of health in all respective countries, including Indonesia. Data from Indonesian Family Life Survey reported in 2019 showed that the prevalence of MetS in Indonesia currently is 21.66%, estimated with the provincial incidence ranging up to 50%; additionally, the most common components of MetS discovered in Indonesia were poor high-density lipoprotein (HDL) cholesterol and hypertension. Management treatment of MetS involves a combination of lifestyle changes and pharmacological interventions to decrease cerebrovascular disease. Various natural substances have been shown to govern any cardiovascular or metabolic disorders through different mechanisms, such as triggering anti-inflammation, lipid profile correction, sensitization of insulin reception, or blood glucose control. In Indonesia, the utilization of natural compounds is part of the nation's culture. The community widely uses them; even though in general, their effectiveness and safety have not been thoroughly assessed by rigorous clinical trials. Scientific evidence suggested that cinnamon, mangosteen, and curcumin, as well as their derived components possess a broad spectrum of pharmacological activity. In this review, an enormous potential of cinnamon, mangosteen, and curcumin, which originated and are commonly used in Indonesia, could be treated against MetS, such as diabetes, hyperlipidemia, hypertension, and obesity. The findings suggested that cinnamon, mangosteen, curcumin and their derivatives may reflect areas of promise in the management of MetS.
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Affiliation(s)
- Wawaimuli Arozal
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Melva Louisa
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Vivian Soetikno
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
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Wihastuti TA, Aini FN, Tjahjono CT, Sulfia YH, Sholichah Z, Heriansyah T. Lp-PLA 2 Selective Inhibitor (Darapladib) Effect In Lowering The Expression Level Of IL-1B And IL-6 In The Renal At Type 2 Diabetes Mellitus. Vasc Health Risk Manag 2019; 15:503-508. [PMID: 31802883 PMCID: PMC6830380 DOI: 10.2147/vhrm.s217904] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 10/11/2019] [Indexed: 12/21/2022] Open
Abstract
PURPOSE The aim of this study is to prove that type 2 diabetes mellitus can induce increasing inflammation marker in renal and that the provision of darapladib as Lp-LA2 Inhibitor agents can inhibit inflammation that were measured from the expression of IL-1B and IL-6- type cytokine in renal. This study also discusses the correlation between IL-1B and IL-6- type cytokine expression in renal. METHODS Thirty Sprague-Dawley (SD) rats were divided into three main groups; those are negative control group (NC), Type 2 Diabetes Mellitus group (T2DM) given high fat diet (HFD) with streptozotocin intraperitoneal injection (35mg/kg BW) and diabetes mellitus + darapladib group (DM + DP). Each group was treated within two serial treatment time: 8 weeks and 16 weeks. Expressions of IL-1B and IL-6- type cytokine in renal were the markers that we measured by immunofluorosense method. RESULTS The administration of darapladib can significantly decrease the expression of IL-1B- type cytokine (p ANOVA = 0.029, p < 0.005) measured in rats' renal both at weeks 8 and 16 in the T2DM group. The Expression of IL-6- type cytokine also showed a significant difference after treated with darapladib both at weeks 8 and 16 in T2DM group with p-value of ANOVA = 0.033, p < 0.005. The Pearson correlation showed a strong correlation (linear regression value was r2 = 0.743). CONCLUSION Our results show that atherosclerosis caused by inflammation in renal T2DM SD rats could be inhibited by the administration of darapladib.
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Affiliation(s)
- Titin Andri Wihastuti
- Department of Basic Science in Nursing, Faculty of Medicine, University of Brawijaya, Malang, East Java, Indonesia
| | - Fitria Nugraha Aini
- Faculty of Medicine, University of Islam Malang, Malang, East Java, Indonesia
- Master Programme of Biomedicine, Faculty of Medicine, Brawijaya University, Malang, East Java, Indonesia
| | - Cholid Tri Tjahjono
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, Brawijaya University, Malang, East Java, Indonesia
| | - Yuni Hendrati Sulfia
- Master Programme of Biomedicine, Faculty of Medicine, Brawijaya University, Malang, East Java, Indonesia
| | - Zuhrotus Sholichah
- Master Programme of Biomedicine, Faculty of Medicine, Brawijaya University, Malang, East Java, Indonesia
| | - Teuku Heriansyah
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, University of Syiah Kuala, Banda Aceh, Aceh, Indonesia
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Wihastuti TA, Aini FN, Tjahjono CT, Heriansyah T. Dietary Ethanolic Extract of Mangosteen pericarp Reduces VCAM-1, Perivascular Adipose Tissue and Aortic Intimal Medial Thickness in Hypercholesterolemic Rat Model. Open Access Maced J Med Sci 2019; 7:3158-3163. [PMID: 31949509 PMCID: PMC6953934 DOI: 10.3889/oamjms.2019.717] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 09/21/2019] [Accepted: 09/22/2019] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND: High-fat diet (HFD) is associated with dyslipidemia which is a risk factor for atherosclerosis. Dyslipidemia causes oxidative stress which induces vascular cell adhesion molecule-1 (VCAM-1). Oxidative stress also triggers the thickening of tunica intima-media (IMT) and Perivascular Adipose Tissue (PVAT). Xanthone compound in ethanolic extract of Mangosteen pericarp (EEMP) has an antioxidant property to overcome the oxidative stress. AIM: The objective of this study is to investigate the effect of dietary EEMP administration on the expression of VCAM-1 and thickness of PVAT and IMT in atherosclerotic rat model fed with HFD. METHODS: This experimental laboratory study uses 25 Wistar strain Rattus norvegicus which were divided into 5 study groups. Negative Control group (GT1) was given a normal diet, Positive Control group (GT2) was treated with HFD, and three treatment groups were each treated with HFD with Mangosteen pericarp extract of 200 mg/kg BW (GT3), 400 mg/kg BW (GT4), and 800 mg/kg BW (GT5). Measurements of VCAM-1 expression were performed using immunofluorescence. PVAT and IMT measurements were performed on rat aortic preparations. RESULTS: One-way ANOVA test showed the addition of dietary EEMP significantly (p < 0.05) decreased the expression of VCAM-1 and decreased the thickness of PVAT and IMT in treatment groups as compared with both negative and positive controls. Tukey HSD test showed a dose of 800 mg/kg BW was the most effective dose for decreasing VCAM-1 level, PVAT and IMT. CONCLUSION: Dietary EEMP significantly decreases the expression of VCAM-1, as well as the thickness of PVAT and IMT in Wistar strain Rattus norvegicus treated with HFD.
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Affiliation(s)
- Titin Andri Wihastuti
- Department of Basic Science in Nursing, Faculty of Medicine, University of Brawijaya, Malang, Indonesia
| | - Fitria Nugraha Aini
- Departement of Biomedicine, Faculty of Medicine, University of Brawijaya, Malang, Indonesia.,Faculty of Medicine, University of Islam Malang, Malang, Indonesia
| | - Cholid Tri Tjahjono
- Department of Cardiology, Faculty of Medicine, Brawijaya University, Malang, Indonesia
| | - Teuku Heriansyah
- Department of Cardiology, Faculty of Medicine, University of Syiah Kuala, Banda Aceh, Aceh, Indonesia
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Heriansyah T, Nurwidyaningtyas W, Sargowo D, Tjahjono CT, Wihastuti TA. Polysaccharide peptide (PsP) G anoderma lucidum: a potential inducer for vascular repair in type 2 diabetes mellitus model. Vasc Health Risk Manag 2019; 15:419-427. [PMID: 31632046 PMCID: PMC6781740 DOI: 10.2147/vhrm.s205996] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Accepted: 08/29/2019] [Indexed: 01/09/2023] Open
Abstract
Introduction The increasing blood glucose level due to insulin resistance which occurs in diabetes mellitus (DM) may cause vascular damage. This study aims to prove the effect of the polysaccharide peptide (PsP) Ganoderma lucidum on improving vascular damage through an increase of circulating endothelial cells and circulating endothelial cells (CEC) ratio, decreased H2O2, triglyceride (TG), total cholesterol (TC) and insulin resistance in type 2 DM. Methods Our study is a true experimental study with randomized posttest control group design that used 35 Wistar rats divided into five groups: normal, control (+) and three groups of different variant PsP doses 50, 150 and 300 mg/kg BW (n=7). Results By using one-way ANOVA and post-hoc Duncan test, the results show a significant increase of endothelial progenitor cell (EPC) concentration (p=0.000) and ratio EPC:CEC (0.000) by dose-dependent fashion and also reduced CEC concentration (p=0.001), H2O2 (p=0.03), TG (p=0.001), TC (p=0.01) and insulin resistance (p=0.003). Conclusion In this study, PsP induced endothelial repairing process and reduced the risk factor with 300 mg/kg BW as optimum dose. However, further research on EPC and CEC detection markers is important. Further research on PsP and clinical trial for commercial uses is also needed.
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Affiliation(s)
- Teuku Heriansyah
- Department of Cardiology, Faculty of Medicine, Syah Kuala University, Banda Aceh, Indonesia
| | | | - Djanggan Sargowo
- Department of Cardiology, Faculty of Medicine, Brawijaya University, Malang, Indonesia
| | - Cholid Tri Tjahjono
- Department of Cardiology, Faculty of Medicine, Brawijaya University, Malang, Indonesia
| | - Titin Andri Wihastuti
- Department of Biomedical Nursing Science, Faculty of Medicine, Brawijaya University, Malang, Indonesia
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Krishnamachary B, Subramaniam D, Dandawate P, Ponnurangam S, Srinivasan P, Ramamoorthy P, Umar S, Thomas SM, Dhar A, Septer S, Weir SJ, Attard T, Anant S. Targeting transcription factor TCF4 by γ-Mangostin, a natural xanthone. Oncotarget 2019; 10:5576-5591. [PMID: 31608135 PMCID: PMC6771460 DOI: 10.18632/oncotarget.27159] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 07/17/2019] [Indexed: 01/29/2023] Open
Abstract
Given that colon cancer is the third most common cancer in incidence and cause of death in the United States, and current treatment modalities are insufficient, there is a need to develop novel agents. Towards this, here we focus on γ-Mangostin, a bioactive compound present in the Mangosteen (Garcinia mangostana) fruit. γ-Mangostin suppressed proliferation and colony formation, and induced cell cycle arrest and apoptosis of colon cancer cell lines. Further, γ-Mangostin inhibited colonosphere formation. Molecular docking and CETSA (Cellular thermal shift assay) binding assays demonstrated that γ-Mangostin interacts with transcription factor TCF4 (T-Cell Factor 4) at the β-catenin binding domain with the binding energy of -5.5 Kcal/mol. Moreover, γ-Mangostin treatment decreased TCF4 expression and reduced TCF reporter activity. The compound also suppressed the expression of Wnt signaling target proteins cyclin D1 and c-Myc, and stem cell markers such as LGR5, DCLK1 and CD44. To determine the effect of γ-Mangostin on tumor growth in vivo, we administered nude mice harboring HCT116 tumor xenografts with 5 mg/Kg of γ-Mangostin intraperitoneally for 21 days. γ-Mangostin treatment significantly suppressed tumor growth, with notably lowered tumor volume and weight. In addition, western blot analysis revealed a significant decrease in the expression of TCF4 and its downstream targets such as cyclin D1 and c-Myc. Together, these data suggest that γ-Mangostin inhibits colon cancer growth through targeting TCF4. γ-Mangostin may be a potential therapeutic agent for colon cancer.
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Affiliation(s)
- Balaji Krishnamachary
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS, USA
| | | | - Prasad Dandawate
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS, USA
| | - Sivapriya Ponnurangam
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS, USA
| | | | - Prabhu Ramamoorthy
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS, USA
| | - Shahid Umar
- Department of General Surgery, University of Kansas Medical Center, Kansas City, KS, USA
| | - Sufi Mary Thomas
- Department of Otolaryngology, University of Kansas Medical Center, Kansas City, KS, USA
| | - Animesh Dhar
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS, USA
| | - Seth Septer
- Department of Pediatrics, Division of Gastroenterology, Hepatology and Nutrition, University of Colorado, Aurora, CO, USA
| | - Scott J Weir
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS, USA
| | - Thomas Attard
- Department of Pediatrics, Division of Gastroenterology, Children's Mercy Hospital, Kansas City, KS, USA
| | - Shrikant Anant
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, KS, USA
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Ashton MM, Dean OM, Walker AJ, Bortolasci CC, Ng CH, Hopwood M, Harvey BH, Möller M, McGrath JJ, Marx W, Turner A, Dodd S, Scott JG, Khoo JP, Walder K, Sarris J, Berk M. The Therapeutic Potential of Mangosteen Pericarp as an Adjunctive Therapy for Bipolar Disorder and Schizophrenia. Front Psychiatry 2019; 10:115. [PMID: 30918489 PMCID: PMC6424889 DOI: 10.3389/fpsyt.2019.00115] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Accepted: 02/15/2019] [Indexed: 12/29/2022] Open
Abstract
New treatments are urgently needed for serious mental illnesses including bipolar disorder and schizophrenia. This review proposes that Garcinia mangostana Linn. (mangosteen) pericarp is a possible adjunctive therapeutic agent for these disorders. Research to date demonstrates that neurobiological properties of the mangosteen pericarp are well aligned with the current understanding of the pathophysiology of bipolar disorder and schizophrenia. Mangosteen pericarp has antioxidant, putative neuroprotective, anti-inflammatory, and putative mitochondrial enhancing properties, with animal studies demonstrating favorable pharmacotherapeutic benefits with respect to these disorders. This review summarizes evidence of its properties and supports the case for future studies to assess the utility of mangosteen pericarp as an adjunctive treatment option for mood and psychotic disorders.
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Affiliation(s)
- Melanie M. Ashton
- IMPACT Strategic Research Centre, School of Medicine, Barwon Health, Deakin University, Geelong, VIC, Australia
- Florey Institute for Neuroscience and Mental Health, University of Melbourne, Parkville, VIC, Australia
- Professorial Unit, The Melbourne Clinic, Department of Psychiatry, University of Melbourne, Richmond, VIC, Australia
| | - Olivia M. Dean
- IMPACT Strategic Research Centre, School of Medicine, Barwon Health, Deakin University, Geelong, VIC, Australia
- Florey Institute for Neuroscience and Mental Health, University of Melbourne, Parkville, VIC, Australia
- Department of Psychiatry, Royal Melbourne Hospital, University of Melbourne, Parkville, VIC, Australia
| | - Adam J. Walker
- IMPACT Strategic Research Centre, School of Medicine, Barwon Health, Deakin University, Geelong, VIC, Australia
| | - Chiara C. Bortolasci
- Centre for Molecular and Medical Research, School of Medicine, Deakin University, Geelong, VIC, Australia
| | - Chee H. Ng
- Professorial Unit, The Melbourne Clinic, Department of Psychiatry, University of Melbourne, Richmond, VIC, Australia
| | - Malcolm Hopwood
- Professorial Psychiatry Unit, Albert Road Clinic, University of Melbourne, Melbourne, VIC, Australia
| | - Brian H. Harvey
- Centre of Excellence for Pharmaceutical Sciences, School of Pharmacy (Pharmacology), North West University, Potchefstroom, South Africa
| | - Marisa Möller
- Centre of Excellence for Pharmaceutical Sciences, School of Pharmacy (Pharmacology), North West University, Potchefstroom, South Africa
| | - John J. McGrath
- Queensland Centre for Mental Health Research, The Park Centre for Mental Health, Wacol, QLD, Australia
- Queensland Brain Institute, University of Queensland, St. Lucia, QLD, Australia
- National Centre for Register-Based Research, Aarhus University, Aarhus, Denmark
| | - Wolfgang Marx
- IMPACT Strategic Research Centre, School of Medicine, Barwon Health, Deakin University, Geelong, VIC, Australia
| | - Alyna Turner
- IMPACT Strategic Research Centre, School of Medicine, Barwon Health, Deakin University, Geelong, VIC, Australia
- Department of Psychiatry, Royal Melbourne Hospital, University of Melbourne, Parkville, VIC, Australia
| | - Seetal Dodd
- IMPACT Strategic Research Centre, School of Medicine, Barwon Health, Deakin University, Geelong, VIC, Australia
- Department of Psychiatry, Royal Melbourne Hospital, University of Melbourne, Parkville, VIC, Australia
- Centre of Youth Mental Health, University of Melbourne, Parkville, VIC, Australia
| | - James G. Scott
- Queensland Centre for Mental Health Research, The Park Centre for Mental Health, Wacol, QLD, Australia
- Faculty of Medicine, The University of Queensland, Herston, QLD, Australia
- Metro North Mental Health, Royal Brisbane and Women's Hospital, Brisbane, QLD, Australia
| | - Jon-Paul Khoo
- IMPACT Strategic Research Centre, School of Medicine, Barwon Health, Deakin University, Geelong, VIC, Australia
- Faculty of Medicine, The University of Queensland, Herston, QLD, Australia
| | - Ken Walder
- Centre for Molecular and Medical Research, School of Medicine, Deakin University, Geelong, VIC, Australia
| | - Jerome Sarris
- Professorial Unit, The Melbourne Clinic, Department of Psychiatry, University of Melbourne, Richmond, VIC, Australia
- NICM Health Research Institute, Western Sydney University, Westmead, NSW, Australia
| | - Michael Berk
- IMPACT Strategic Research Centre, School of Medicine, Barwon Health, Deakin University, Geelong, VIC, Australia
- Florey Institute for Neuroscience and Mental Health, University of Melbourne, Parkville, VIC, Australia
- Department of Psychiatry, Royal Melbourne Hospital, University of Melbourne, Parkville, VIC, Australia
- Centre of Youth Mental Health, University of Melbourne, Parkville, VIC, Australia
- Orygen Youth Health Research Centre, Parkville, VIC, Australia
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12
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Ma L, Dai J, Chen J, Cai HW, Li JY, Li XY, Chen SJ, Mao W. Research Progress of Angiogenesis in Atherosclerotic Plaque in Chinese Medicine and Western Medicine. Chin J Integr Med 2018; 24:950-955. [PMID: 30178090 DOI: 10.1007/s11655-018-2569-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/21/2018] [Indexed: 10/28/2022]
Abstract
Angiogenesis in atherosclerotic plaque plays a critical role in the mechanism of atherosclerotic physiopathology. Present consensus shows that angiogenesis in atherosclerotic plaque is mainly resulted in hypoxia, inflammation and some pro-angiogenic factors. The homeostasis in plaque, which is hypoxic and infiltrated by inflammatory cells, may lead to angiogenesis, increase the plaque instability and the incidence rate of vascular events. This article reviews the progression of pathogenetic mechanism, physiopathological significance, relevant detecting technique and corresponding therapeutic methods of Chinese and Western medicine of angiogenesis in atherosclerotic plaque, so as to provide more theoretical basis for atherosclerotic clinical treatment.
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Affiliation(s)
- Lan Ma
- The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Jin Dai
- The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Jie Chen
- The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Hong-Wen Cai
- The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Jia-Ying Li
- The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Xin-Yao Li
- The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Shen-Jie Chen
- The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Wei Mao
- The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, 310053, China.
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13
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Darapladib inhibits atherosclerosis development in type 2 diabetes mellitus Sprague-Dawley rat model. Endocr Regul 2018; 52:69-75. [DOI: 10.2478/enr-2018-0008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Abstract
Objective. Increase in the low-density lipoprotein (LDL) level in diabetes mellitus and atherosclerosis is related to lipoprotein associated phospholipase A2 (Lp-PLA2). Lp-PLA2 is an enzyme that produces lysophosphatidylcholine (LysoPC) and oxidized nonesterified fatty acids (oxNEFA). LysoPC regulates inflammation mediators, including intra-cellular adhesion molecule-1 (ICAM-1). Darapladib is known as a Lp-PLA2 specific inhibitor. The aim of this study was to reveal the effect of darapladib on the foam cell number, inducible nitric oxide synthase (iNOS), and ICAM-1 expression in aorta at early stages of the atherosclerosis in type 2 diabetes mellitus Sprague-Dawley rat model.
Methods. Thirty Sprague-Dawley male rats were divided into 3 main groups: control, rats with type 2 diabetes mellitus (T2DM), and T2DM rats treated with darapladib (T2DM-DP). Each group was divided into 2 subgroups according the time of treatment: 8-week and 16-week treatment group. Fasting blood glucose, insulin resistance, and lipid profile were measured and analyzed to ensure T2DM model. The foam cells number were detected using hematoxylin-eosin (HE) staining and the expression of iNOS and ICAM-1 was analyzed using double immunofluorescence staining.
Results. Induction of T2DM in male Sprague-Dawley rats after high fat diet and streptozotocin injection was confirmed by elevated levels of total cholesterol and LDL and increased fasting glucose and insulin levels compared to controls after both times of treatment. Moreover, T2DM in rats induced a significant increase (p<0.05) in the foam cells number and iNOS and ICAM-1 expression in aorta compared to controls after both treatment times. Darapladib treatment significantly reduced (p<0.05) foam cells number as well as iNOS expression in aorta in rats with T2DM after both treatment times. A significant decrease (p<0.05) in ICAM-1 expression in aorta was observed after darapladib treatment in rats with T2DM only after 8 weeks of treatment.
Conclusion. Our data indicate that darapladib can decrease the foam cells number, iNOS, and ICAM-1 expression in aorta at the early stages of atherosclerosis in T2DM rat model.
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Chen G, Li Y, Wang W, Deng L. Bioactivity and pharmacological properties of α-mangostin from the mangosteen fruit: a review. Expert Opin Ther Pat 2018; 28:415-427. [PMID: 29558225 DOI: 10.1080/13543776.2018.1455829] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
INTRODUCTION α-Mangostin (α-MG) is the most representative xanthone isolated from the pericarp of mangosteen, possessing extensive biological activities and pharmacological properties, considered as an antineoplastic agent, antioxidant, anti-proliferation and induces apoptosis. AREAS COVERED The bioactivity and pharmacological properties of α-MG are being actively investigated by various industrial and academic institutions. The bioactivities of α-MG have been summarized in several previous reviews, which were worthy of high compliment. However, recently, many new literatures about the bioactivities of α-MG have been further reported from 2016 to 2017. Herein, the activities of α-MG are supplemented and summarized in this text. EXPERT OPINION As previously said, α-MG possesses good bioactivities pharmacological properties. More recently, it found that α-MG has the effect of maintaining cardiovascular system and gastrointestinal health and controlling free radical oxidation. Furthermore, α-MG has more applications in cosmetics, with the effects of anti-aging, anti-wrinkle, acne treatment, maintenance of skin lubrication. The application of α-MG in treating rheumatoid arthritis has been disclosed and the MG-loaded self-micro emulsion (MG-SME) was designed to improve its pharmacokinetic deficiencies. As mentioned above, α-MG can be a promising drug, also worthy of developing, and further research is crucial for the future application of α-MG.
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Affiliation(s)
- Guoqing Chen
- a Department of Chemistry and Chemical Engineering , Shaoxing University , Shaoxing , P.R.China
| | - Yong Li
- a Department of Chemistry and Chemical Engineering , Shaoxing University , Shaoxing , P.R.China
| | - Wei Wang
- b Shaoxing University Yuanpei College , Shaoxing University , Shaoxing , P.R.China
| | - Liping Deng
- a Department of Chemistry and Chemical Engineering , Shaoxing University , Shaoxing , P.R.China.,b Shaoxing University Yuanpei College , Shaoxing University , Shaoxing , P.R.China
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Chae HS, You BH, Song J, Ko HW, Choi YH, Chin YW. Mangosteen Extract Prevents Dextran Sulfate Sodium-Induced Colitis in Mice by Suppressing NF-κB Activation and Inflammation. J Med Food 2017; 20:727-733. [DOI: 10.1089/jmf.2017.3944] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Affiliation(s)
- Hee-Sung Chae
- College of Pharmacy and Integrated Research Institute for Drug Development, Dongguk University-Seoul, Goyang, South Korea
| | - Byoung Hoon You
- College of Pharmacy and Integrated Research Institute for Drug Development, Dongguk University-Seoul, Goyang, South Korea
| | - Jieun Song
- College of Pharmacy and Integrated Research Institute for Drug Development, Dongguk University-Seoul, Goyang, South Korea
| | - Hyuk Wan Ko
- College of Pharmacy and Integrated Research Institute for Drug Development, Dongguk University-Seoul, Goyang, South Korea
| | - Young Hee Choi
- College of Pharmacy and Integrated Research Institute for Drug Development, Dongguk University-Seoul, Goyang, South Korea
| | - Young-Won Chin
- College of Pharmacy and Integrated Research Institute for Drug Development, Dongguk University-Seoul, Goyang, South Korea
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Tousian Shandiz H, Razavi BM, Hosseinzadeh H. Review of Garcinia mangostana and its Xanthones in Metabolic Syndrome and Related Complications. Phytother Res 2017; 31:1173-1182. [PMID: 28656594 DOI: 10.1002/ptr.5862] [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] [Received: 04/21/2017] [Revised: 06/07/2017] [Accepted: 06/09/2017] [Indexed: 12/31/2022]
Abstract
Metabolic syndrome is coexistence of abdominal obesity, hyperglycemia, hyperlipidemia and hypertension that causes cardiovascular diseases, diabetes and their complications, low quality and short lifespan. Garcinia mangostana and its xanthones such as α-mangostin have been shown desirable effects such as anti-obesity, anti-hyperglycemic, anti-dyslipidemia, anti-diabetic and antiinflammatory effects in experimental studies. Various databases such as PubMed, Scopus and Web of Science with keywords of 'Garcinia mangostana', 'mangosteen', 'α-mangostin', 'metabolic syndrome', 'hypoglycemic', 'antihyperglicemic', 'antidiabetic', 'hypotensive', 'antihypertensive', 'atherosclerosis', 'arteriosclerosis' and 'hyperlipidemia' have been investigated in this search without publication time limitation. This study reviewed all pharmacological effects and molecular pathways of G. mangostana and its xanthones in the management of metabolic syndrome and its complications in in-vitro and in-vivo studies. Based on these studies, mangosteen and its xanthones have good potential to design human studies for controlling and modification of metabolic syndrome and its related disorders such as obesity, disrupted lipid profile, diabetes and its complications. Copyright © 2017 John Wiley & Sons, Ltd.
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Affiliation(s)
| | - Bibi Marjan Razavi
- Targeted Drug Delivery Research Center, Department of Pharmacodynamy and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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The inhibitory effects of polysaccharide peptides (PsP) of Ganoderma lucidum against atherosclerosis in rats with dyslipidemia. Heart Int 2017; 12:e1-e7. [PMID: 29114382 PMCID: PMC5460693 DOI: 10.5301/heartint.5000234] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/13/2017] [Indexed: 01/01/2023] Open
Abstract
Background Atherosclerosis occurs as a result of low-density lipoprotein (LDL) deposits oxidation. Endothelial dysfunction is an early process of atherosclerosis. Restoring endothelial lining back to normal by endothelial progenitor cells (EPCs) is critical for slowing or reversing vascular disease progression. Oxidative stress from hydrogen peroxide (H2O2) is increased in dyslipidemia so that antioxidant agent is required to prevent destruction of blood vessels. Objectives This study aims to report Ganoderma lucidum polysaccharide peptide (PsP) effects in atherogenic process by measuring H2O2 level, IL-10 level, and EPC number in blood serum, and also intima-media thickness of aorta in dyslipidemia Wistar rat model by giving them a hypercholesterol diet (HCD). Materials and methods The study was an experimental in vivo post-test with control group design. Thirty-five Wistar rats (Rattus norwegicus) were divided into five groups (normal diet group, HCD group, and hypercholesterol groups that received 50 mg/kg, 150 mg/kg, and 300 mg/kg bodyweight PsP). Results Each treatment group showed significant results for the administration of PsP using the one-way analysis of variance test (p<0.050) for the reduction of H2O2 (p = 0.003), levels of IL-10 (p = 0.027), number of EPC in the blood serum (p = 0.011), and the intima-media thickness of the aorta (p = 0.000). PsP from G. lucidum is a potent antioxidant and may prevent atherogenesis process in patients with dyslipidemia. Conclusions The optimum doses of PsP in this study is 300 mg/kg bodyweight. Further studies are required to determine the antioxidant effects of PsP G. lucidum and its benefits in the management of dyslipidemia.
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Abstract
Mangosteen (Garcinia mangostana Linn.) is a well-known tropical tree indigenous to Southeast Asia. Its fruit's pericarp abounds with a class of isoprenylated xanthones which are referred as mangostins. Numerous in vitro and in vivo studies have shown that mangostins and their derivatives possess diverse pharmacological activities, such as antibacterial, antifungal, antimalarial, anticarcinogenic, antiatherogenic activities as well as neuroprotective properties in Alzheimer's disease (AD). This review article provides a comprehensive review of the pharmacological activities of mangostins and their derivatives to reveal their promising utilities in the treatment of certain important diseases, mainly focusing on the discussions of the underlying molecular targets/pathways, modes of action, and relevant structure-activity relationships (SARs). Meanwhile, the pharmacokinetics (PK) profile and recent toxicological studies of mangostins are also described for further druggability exploration in the future.
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Camaré C, Pucelle M, Nègre-Salvayre A, Salvayre R. Angiogenesis in the atherosclerotic plaque. Redox Biol 2017; 12:18-34. [PMID: 28212521 PMCID: PMC5312547 DOI: 10.1016/j.redox.2017.01.007] [Citation(s) in RCA: 255] [Impact Index Per Article: 36.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Revised: 01/04/2017] [Accepted: 01/05/2017] [Indexed: 12/12/2022] Open
Abstract
Atherosclerosis is a multifocal alteration of the vascular wall of medium and large arteries characterized by a local accumulation of cholesterol and non-resolving inflammation. Atherothrombotic complications are the leading cause of disability and mortality in western countries. Neovascularization in atherosclerotic lesions plays a major role in plaque growth and instability. The angiogenic process is mediated by classical angiogenic factors and by additional factors specific to atherosclerotic angiogenesis. In addition to its role in plaque progression, neovascularization may take part in plaque destabilization and thromboembolic events. Anti-angiogenic agents are effective to reduce atherosclerosis progression in various animal models. However, clinical trials with anti-angiogenic drugs, mainly anti-VEGF/VEGFR, used in anti-cancer therapy show cardiovascular adverse effects, and require additional investigations.
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Affiliation(s)
- Caroline Camaré
- INSERM - I2MC, U-1048, 1 avenue Jean Poulhès, BP 84225, 31432 Toulouse cedex 4, France; Université Paul Sabatier Toulouse III, Faculty of Medicine, Biochemistry Departement, Toulouse, France; CHU Toulouse, Rangueil, 1 avenue Jean Poulhès, TSA 50032, 31059 Toulouse Cedex 9, France
| | - Mélanie Pucelle
- INSERM - I2MC, U-1048, 1 avenue Jean Poulhès, BP 84225, 31432 Toulouse cedex 4, France
| | - Anne Nègre-Salvayre
- INSERM - I2MC, U-1048, 1 avenue Jean Poulhès, BP 84225, 31432 Toulouse cedex 4, France.
| | - Robert Salvayre
- INSERM - I2MC, U-1048, 1 avenue Jean Poulhès, BP 84225, 31432 Toulouse cedex 4, France; Université Paul Sabatier Toulouse III, Faculty of Medicine, Biochemistry Departement, Toulouse, France; CHU Toulouse, Rangueil, 1 avenue Jean Poulhès, TSA 50032, 31059 Toulouse Cedex 9, France.
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