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Xia X, Chen S, Tian X, Xu Q, Zhang Y, Zhang X, Li J, Wu S, Wang A. Association of triglyceride-glucose index and its related parameters with atherosclerotic cardiovascular disease: evidence from a 15-year follow-up of Kailuan cohort. Cardiovasc Diabetol 2024; 23:208. [PMID: 38898520 PMCID: PMC11188278 DOI: 10.1186/s12933-024-02290-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2024] [Accepted: 05/28/2024] [Indexed: 06/21/2024] Open
Abstract
BACKGROUND Triglyceride glucose (TyG) index and its related parameters have been introduced as cost-effective surrogate indicators of insulin resistance, while prospective evidence of their effects on atherosclerotic cardiovascular disease (ASCVD) remained scattered and inconsistent. We aimed to evaluate the association of TyG and its related parameters with new-onset ASCVD, and the predictive capacity were further compared. METHOD A total of 95,342 ASCVD-free participants were enrolled from the Kailuan study. TyG and its related parameters were defined by fasting blood glucose, triglyceride, body mass index (BMI), waist circumstance (WC) and waist-to-height ratio (WHtR). The primary outcome was incident ASCVD, comprising myocardial infarction (MI) and ischemic stroke (IS). Cox proportional hazard models and restricted cubic spline (RCS) analyses were adopted to investigate the association between each index and ASCVD. The C-index, integrated discrimination improvement (IDI), and net reclassification improvement (NRI) were used for comparison of their predictive value for ASCVD. RESULTS During a median follow-up of 15.0 years, 8,031 new cases of ASCVD were identified. The incidence rate of ASCVD increased along with elevated levels of each index, and the relationships were found to be nonlinear in the RCS analyses. The hazard ratio (HR) and 95% confidence interval (95% CI) for ASCVD was 1.39 (1.35, 1.43), 1.46 (1.41, 1.50), 1.50 (1.46, 1.55), and 1.52 (1.48, 1.57) per 1 IQR increase of baseline TyG, TyG-BMI, TyG-WC, and TyG-WHtR, respectively, and the association were more pronounced for females and younger individuals aged < 60 years (Pfor interaction<0.05). Using the updated mean or time-varying measurements instead of baseline indicators did not significantly alter the primary findings. Additionally, TyG-WC and TyG-WHtR showed better performance in predicting risk of ASCVD than TyG, with the IDI (95% CI) of 0.004 (0.001, 0.004) and 0.004 (0.001, 0.004) and the category-free NRI (95% CI) of 0.120 (0.025, 0.138) and 0.143 (0.032, 0.166), respectively. Similar findings were observed for MI and IS. CONCLUSIONS Both the TyG index and its related parameters were significantly and positively associated with ASCVD. TyG-WC and TyG-WHtR had better performance in predicting incident ASCVD than TyG, which might be more suitable indices for risk stratification and enhance the primary prevention of ASCVD.
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Affiliation(s)
- Xue Xia
- Department of Epidemiology, Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Department of Clinical Epidemiology and Clinical Trial, Capital Medical University, Beijing, China
| | - Shuohua Chen
- Department of Cardiology, Kailuan General Hospital, North China University of Science and Technology, Tangshan, Hebei, China
| | - Xue Tian
- Department of Epidemiology, Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Department of Clinical Epidemiology and Clinical Trial, Capital Medical University, Beijing, China
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China
| | - Qin Xu
- Department of Epidemiology, Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Department of Clinical Epidemiology and Clinical Trial, Capital Medical University, Beijing, China
| | - Yijun Zhang
- Department of Epidemiology, Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Department of Clinical Epidemiology and Clinical Trial, Capital Medical University, Beijing, China
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China
| | - Xiaoli Zhang
- Department of Epidemiology, Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Jing Li
- Department of Epidemiology, Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Shouling Wu
- Department of Cardiology, Kailuan General Hospital, North China University of Science and Technology, Tangshan, Hebei, China.
| | - Anxin Wang
- Department of Epidemiology, Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
- China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
- Department of Clinical Epidemiology and Clinical Trial, Capital Medical University, Beijing, China.
- Department of Epidemiology, Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, No. 119 South Fourth Ring West Road, 100070, Beijing, China.
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Shin SK, Kwon EY. Kaempferol ameliorates metabolic syndrome by inhibiting inflammation and oxidative stress in high-fat diet-induced obese mice. Nutr Res Pract 2024; 18:325-344. [PMID: 38854471 PMCID: PMC11156765 DOI: 10.4162/nrp.2024.18.3.325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 04/06/2024] [Accepted: 04/11/2024] [Indexed: 06/11/2024] Open
Abstract
BACKGROUND/OBJECTIVES Kaempferol (Ka) is one of the most widely occurring flavonoids found in large amounts in various plants. Ka has anti-obesity, antioxidant, and anti-inflammatory effects. Despite the numerous papers documenting the efficacy of Ka, some controversy remains. Therefore, this study examined the impact of Ka using 3T3-L1 and high-fat diet-induced obese mice. MATERIALS/METHODS 3T3-L1 cells were treated with 50 μM Ka from the initiation of 3T3-L1 differentiation at D0 until the completion of differentiation on D8. Thirty male mice (C57BL/6J, 4 weeks old) were divided into 3 groups: normal diet (ND), high-fat diet (HFD), and HFD + 0.02% (w/w) Ka (Ka) group. All mice were fed their respective diets ad libitum for 16 weeks. The mice were sacriced, and the plasma and hepatic lipid levels, white adipose tissue weight, hepatic glucose level, lipid level, and antioxidant enzyme activities were analyzed, and immunohistochemistry staining was performed. RESULTS Ka suppressed the hypertrophy of 3T3-L1 cells, and the Ka-supplemented mice showed a significant decrease in perirenal, retroperitoneal, mesenteric, and subcutaneous fat compared to the HFD group. Ka supplementation in high-fat diet-induced obese mice also improved the overall blood lipid concentration (total cholesterol, non-high-density lipoprotein-cholesterol, phospholipids, and apolipoprotein B). Ka supplementation in high-fat-induced obesity mice reduced hepatic steatosis and insulin resistance by modulating the hepatic lipid (glucose-6-phosphate dehydrogenase, fatty acid synthase, malic enzyme, phosphatidate phosphohydrolase, and β-oxidation) activities and glucose (glucokinase, phosphoenolpyruvate carboxykinase, and G6pase)-regulating enzymes. Ka supplementation ameliorated the erythrocyte and hepatic mitochondrial H2O2 and inflammation levels (plasma tumor necrosis factor-alpha, monocyte chemoattractant protein-1, interleukin-6, and interferon-gamma and fibrosis of liver and epididymal fat). CONCLUSION Ka may be beneficial for preventing diet-induced obesity, inflammation, oxidative stress, and diabetes.
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Affiliation(s)
- Su-Kyung Shin
- Department of Food Science and Nutrition, Kyungpook National University, Daegu 41566, Korea
- Center for Food and Nutritional Genomics Research, Kyungpook National University, Daegu 41566, Korea
| | - Eun-Young Kwon
- Department of Food Science and Nutrition, Kyungpook National University, Daegu 41566, Korea
- Center for Food and Nutritional Genomics Research, Kyungpook National University, Daegu 41566, Korea
- Center for Beautiful Aging, Kyungpook National University, Daegu 41566, Korea
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Yang C, Song Y, Wang X, Yang Y, Zhou Y, Wang D, Hou J, Wang P. Association of hypertension with the triglyceride-glucose index and its associated indices in the Chinese population: A 6-year prospective cohort study. J Clin Hypertens (Greenwich) 2024; 26:53-62. [PMID: 38133535 PMCID: PMC10795092 DOI: 10.1111/jch.14758] [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: 10/24/2023] [Revised: 12/05/2023] [Accepted: 12/07/2023] [Indexed: 12/23/2023]
Abstract
The authors aim to assess the correlation between hypertension and the triglyceride-glucose (TyG) index and its associated indices, and to compare their abilities to identify hypertension. Four thousand eight hundred and sixty-six non-hypertensive participants were enrolled from the China National Health Survey in 2009. The data on new-onset hypertension were gathered in both 2011 and 2015. The TyG index and its associated indices were derived from the fasting triglyceride, blood glucose levels, and anthropometric parameters. Multivariate logistic regression analyses and receiver operating characteristic curve analysis were used. The adjusted odds ratio (OR) and 95% confidence interval (CI) for the new-onset hypertension for the TyG-waist-to-height ratio (TyG-WHtR), TyG-waist circumference (TyG-WC), TyG-waist-to-hip ratio (TyG-WHR), TyG-body mass index (TyG-BMI), and TyG index were 1.379 (1.230-1.546), 1.002 (1.001-1.003), 1.156 (1.069-1.251), 1.007 (1.005-1.009), and 1.187 (1.051-1.341), respectively. In addition, comparing the lowest quartile (Q1) group with the highest quartile (Q4), the adjusted OR and 95% CI for the new-onset hypertension were found to be 1.86 (1.48-2.35), 1.93 (1.53-2.43), 1.71 (1.36-2.16), 2.00 (1.60-2.50), and 1.49 (1.19-1.88) for TyG-WHtR, TyG-WC, TyG-WHR, TyG-BMI, and TyG index, respectively, among all participants. The TyG-WHtR had the largest area under the curve (AUC) for hypertension (AUC, 0.628; 95% CI, 0.614-0.641) in all participants. Stratified analysis also indicated that the TyG-WHtR exhibited the greatest AUC in both males (AUC, 0.608; 95% CI, 0.587-0.629) and females (AUC, 0.648; 95% CI, 0.629-0.666). In conclusions, the TyG index and its associated indices were positively associated with hypertension. Among these indices, TyG-WHtR was the most valuable indicator for predicting hypertension.
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Affiliation(s)
- Changqiang Yang
- Department of Cardiologythe First Affiliated Hospital, Chengdu Medical CollegeChengduSichuanChina
- Sichuan Clinical Research Center for Geriatricsthe First Affiliated Hospital of Chengdu Medical CollegeChengduSichuanChina
- Key Laboratory of Aging and Vascular Homeostasis of Sichuan Higher Education InstitutesChengduSichuanChina
| | - Yue Song
- Department of Pediatricsthe First Affiliated Hospital, Chengdu Medical CollegeChengduSichuanChina
| | - Xinquan Wang
- Department of Cardiologythe First Affiliated Hospital, Chengdu Medical CollegeChengduSichuanChina
- Sichuan Clinical Research Center for Geriatricsthe First Affiliated Hospital of Chengdu Medical CollegeChengduSichuanChina
- Key Laboratory of Aging and Vascular Homeostasis of Sichuan Higher Education InstitutesChengduSichuanChina
| | - Yi Yang
- Department of Cardiologythe First Affiliated Hospital, Chengdu Medical CollegeChengduSichuanChina
- Sichuan Clinical Research Center for Geriatricsthe First Affiliated Hospital of Chengdu Medical CollegeChengduSichuanChina
- Key Laboratory of Aging and Vascular Homeostasis of Sichuan Higher Education InstitutesChengduSichuanChina
| | - Yaqiong Zhou
- Department of Cardiologythe First Affiliated Hospital, Chengdu Medical CollegeChengduSichuanChina
- Sichuan Clinical Research Center for Geriatricsthe First Affiliated Hospital of Chengdu Medical CollegeChengduSichuanChina
- Key Laboratory of Aging and Vascular Homeostasis of Sichuan Higher Education InstitutesChengduSichuanChina
| | - Dan Wang
- Department of Cardiologythe First Affiliated Hospital, Chengdu Medical CollegeChengduSichuanChina
- Sichuan Clinical Research Center for Geriatricsthe First Affiliated Hospital of Chengdu Medical CollegeChengduSichuanChina
- Key Laboratory of Aging and Vascular Homeostasis of Sichuan Higher Education InstitutesChengduSichuanChina
| | - Jixin Hou
- Department of Cardiologythe First Affiliated Hospital, Chengdu Medical CollegeChengduSichuanChina
- Sichuan Clinical Research Center for Geriatricsthe First Affiliated Hospital of Chengdu Medical CollegeChengduSichuanChina
- Key Laboratory of Aging and Vascular Homeostasis of Sichuan Higher Education InstitutesChengduSichuanChina
| | - Peijian Wang
- Department of Cardiologythe First Affiliated Hospital, Chengdu Medical CollegeChengduSichuanChina
- Sichuan Clinical Research Center for Geriatricsthe First Affiliated Hospital of Chengdu Medical CollegeChengduSichuanChina
- Key Laboratory of Aging and Vascular Homeostasis of Sichuan Higher Education InstitutesChengduSichuanChina
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Bacchetti T, Morresi C, Ferretti G, Larsson A, Åkerfeldt T, Svensson M. Effects of Seven Weeks of Combined Physical Training on High-Density Lipoprotein Functionality in Overweight/Obese Subjects. Metabolites 2023; 13:1068. [PMID: 37887393 PMCID: PMC10609075 DOI: 10.3390/metabo13101068] [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: 09/02/2023] [Revised: 09/28/2023] [Accepted: 10/06/2023] [Indexed: 10/28/2023] Open
Abstract
Our study aimed to investigate the effects of exercise on HDL composition and functional properties in overweight/obese subjects. Eighteen overweight/obese subjects (nine F and nine M, BMI = 30.3 ± 3 kg/m2) attended supervised training for 7 weeks. The protocol included combined resistance and conditioning training four to five times each week. The activity of the antioxidant enzyme paraoxonase-1 (PON1) associated with HDL was evaluated in all subjects before and after the training intervention. Moreover, myeloperoxidase (MPO) levels and oxidative stress markers (ox-LDLs and total antioxidant capacity) were studied in the serums of the subjects. At the end of the intervention, the activity of PON1 was increased (p < 0.0001), and MPO levels and the MPO/PON1 ratio were decreased (p < 0.0001). In addition, a significant improvement in muscle strength and maximal oxygen uptake (VO2max) (p < 0.0001) and a significant reduction in total and visceral adipose tissue mass (p < 0.001) and waist circumference (p < 0.008), without any significant decrease in body weight, were observed. A significant correlation was established between serum MPO/PON ratios, HDL redox activity and ox-LDLs. In conclusion, our results demonstrate that exercise training, without modifications of dietary habits, improved HDL functionality in overweight/obese adults, without any significant reduction in BMI or modifications of glucose and lipid biochemical parameters.
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Affiliation(s)
- Tiziana Bacchetti
- Department of Life and Environmental Sciences, Marche Polytechnic University, Via Brecce Bianche, 60131 Ancona, Italy;
| | - Camilla Morresi
- Department of Life and Environmental Sciences, Marche Polytechnic University, Via Brecce Bianche, 60131 Ancona, Italy;
| | - Gianna Ferretti
- Department of Clinical Science and Odontostomatology, Marche Polytechnic University, Via Brecce Bianche, 60131 Ancona, Italy;
- Center for Health Promotion, Marche Polytechnic University, Via Brecce Bianche, 60131 Ancona, Italy
| | - Anders Larsson
- Department of Medical Sciences, Clinical Chemistry, Uppsala University, 751 85 Uppsala, Sweden; (A.L.); (T.Å.)
| | - Torbjörn Åkerfeldt
- Department of Medical Sciences, Clinical Chemistry, Uppsala University, 751 85 Uppsala, Sweden; (A.L.); (T.Å.)
| | - Michael Svensson
- Section of Sports Medicine, Department of Community Medicine and Rehabilitation, Umeå University, 90 187 Umeå, Sweden;
- Umeå School of Sport Sciences, Umeå University, 90 187 Umeå, Sweden
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Esparham A, Shoar S, Mehri A, Modukuru VR. Bariatric Surgery and Cardiovascular Disease Risk in Patients with Pulmonary Hypertension: A Propensity Score Matched Analysis of US National Inpatient Sample. Obes Surg 2023; 33:3230-3236. [PMID: 37639208 DOI: 10.1007/s11695-023-06799-6] [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: 06/16/2023] [Revised: 08/14/2023] [Accepted: 08/18/2023] [Indexed: 08/29/2023]
Abstract
PURPOSE Previous research has suggested the ameliorating effect of bariatric surgery (BaS) on patients with pulmonary hypertension (PH), but there is a lack of data on the effect of bariatric surgery on the odds of cardiovascular diseases in PH patients. The current study aims to evaluate the association of BaS and coronary artery diseases (CAD), heart failure with reduced ejection fraction (HFrEF), heart failure with preserved ejection fraction (HFpEF), cardiac valve diseases, cardiac rhythm disorders, acute pulmonary embolism, and in-hospital mortality in patients with PH. METHODS The national inpatient sample (NIS) data from 2016 to 2019 were analyzed by using ICD-10 codes. A propensity score matching in a 3:1 ratio was performed to match the BaS and non-BaS groups. RESULTS A total of 3605 patients with a history of BaS and 501419 patients without a history of BaS were included. After propensity matching, BaS was independently associated with a lower CAD hospital admission and a lower rate of in-hospital mortality. On the contrary, BaS was associated with a higher prevalence of atrial fibrillation (AF) and acute pulmonary embolism in patients with PH. HFpEF, HFrEF, other cardiac rhythm disorders, complete heart block, cardiac valve diseases, and ischemic stroke were not significantly different between the two groups in patients with PH. CONCLUSION BaS is independently associated with a reduced rate of in-hospital mortality and CAD hospital admission in patients with PH. However, the risk of atrial fibrillation and acute pulmonary embolism was higher in these patients.
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Affiliation(s)
- Ali Esparham
- Student Research Committee, College of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Saeed Shoar
- Department of Clinical Research, ScientificWriting Corp, Houston, TX, USA
| | - Ali Mehri
- Endoscopic and Minimally Invasive Surgery Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Venkat R Modukuru
- Bariatric and Metabolic Surgery Program, Newark Beth Israel Medical Center, RWJ Barnabas Health, Rutgers NJ Medical School, Newark, NJ, USA
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Wu Z, Zhu L, Nie X, Liu Y, Zhang X, Qi Y. Inhibition of fatty acid synthase protects obese mice from acute lung injury via ameliorating lung endothelial dysfunction. Respir Res 2023; 24:81. [PMID: 36922854 PMCID: PMC10018982 DOI: 10.1186/s12931-023-02382-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Accepted: 03/06/2023] [Indexed: 03/17/2023] Open
Abstract
BACKGROUND Obesity has been identified as a risk factor for acute lung injury/acute respiratory distress syndrome (ALI/ARDS). However, the underlying mechanisms remain elusive. This study aimed to investigate the role of fatty acid synthase (FASN) in lipopolysaccharide (LPS)-induced ALI under obesity. METHODS A high-fat diet-induced obese (DIO) mouse model was established and lean mice fed with regular chow diet were served as controls. LPS was intratracheally instilled to reproduce ALI in mice. In vitro, primary mouse lung endothelial cells (MLECs), treated by palmitic acid (PA) or co-cultured with 3T3-L1 adipocytes, were exposed to LPS. Chemical inhibitor C75 or shRNA targeting FASN was used for in vivo and in vitro loss-of-function studies for FASN. RESULTS After LPS instillation, the protein levels of FASN in freshly isolated lung endothelial cells from DIO mice were significantly higher than those from lean mice. MLECs undergoing metabolic stress exhibited increased levels of FASN, decreased levels of VE-cadherin with increased p38 MAPK phosphorylation and NLRP3 expression, mitochondrial dysfunction, and impaired endothelial barrier compared with the control MLECs when exposed to LPS. However, these effects were attenuated by FASN inhibition with C75 or corresponding shRNA. In vivo, LPS-induced ALI, C75 pretreatment remarkably alleviated LPS-induced overproduction of lung inflammatory cytokines TNF-α, IL-6, and IL-1β, and lung vascular hyperpermeability in DIO mice as evidenced by increased VE-cadherin expression in lung endothelial cells and decreased lung vascular leakage. CONCLUSIONS Taken together, FASN inhibition alleviated the exacerbation of LPS-induced lung injury under obesity via rescuing lung endothelial dysfunction. Therefore, targeting FASN may be a potential therapeutic target for ameliorating LPS-induced ALI in obese individuals.
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Affiliation(s)
- Zhuhua Wu
- grid.414011.10000 0004 1808 090XDepartment of Pulmonary and Critical Care Medicine, Zhengzhou University People’s Hospital, Henan Provincial People’s Hospital, Zhengzhou, Henan China
| | - Li Zhu
- grid.414011.10000 0004 1808 090XDepartment of Pulmonary and Critical Care Medicine, Zhengzhou University People’s Hospital, Henan Provincial People’s Hospital, Zhengzhou, Henan China
| | - Xinran Nie
- grid.414011.10000 0004 1808 090XDepartment of Pulmonary and Critical Care Medicine, Zhengzhou University People’s Hospital, Henan Provincial People’s Hospital, Zhengzhou, Henan China
| | - Yingli Liu
- grid.414011.10000 0004 1808 090XDepartment of Pulmonary and Critical Care Medicine, Zhengzhou University People’s Hospital, Henan Provincial People’s Hospital, Zhengzhou, Henan China
| | - Xiaoju Zhang
- grid.414011.10000 0004 1808 090XDepartment of Pulmonary and Critical Care Medicine, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, No. 7, Weiwu Road, Zhengzhou, Henan China
| | - Yong Qi
- grid.414011.10000 0004 1808 090XDepartment of Pulmonary and Critical Care Medicine, Henan Provincial People’s Hospital, Zhengzhou University People’s Hospital, No. 7, Weiwu Road, Zhengzhou, Henan China
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Pellikaan K, van Weijen PMH, Rosenberg AGW, Hoekstra FME, Vermaak M, Oomen PHN, van der Lely AJ, Cuypers JAAE, de Graaff LCG. What endocrinologists can do to prevent cardiovascular complications in adults with Prader-Willi syndrome: Lessons from a case series. Front Endocrinol (Lausanne) 2023; 14:1145066. [PMID: 37033248 PMCID: PMC10080071 DOI: 10.3389/fendo.2023.1145066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 03/06/2023] [Indexed: 04/11/2023] Open
Abstract
CONTEXT Prader-Willi syndrome (PWS) is a complex rare genetic syndrome. Mortality in patients with PWS is 3% per year. In nearly half of the patients, the cause of death is of cardiopulmonary origin. Prevention, diagnosis and treatment of cardiovascular (CV) disease in PWS adults is complicated by the behavioral phenotype, reduced ability to express physical complaints, high pain threshold and obesity. OBJECTIVE To describe the challenges in prevention, diagnosis and treatment of CV disease in PWS adults, in order to increase awareness and improve medical care. METHODS Retrospective study of medical records of adults visiting the Dutch PWS reference center. RESULTS We describe the challenges encountered during diagnosis and treatment of four PWS adults with heart failure. All had pre-existent peripheral edema. CV risk factors in these patients were obesity (n=4), type 2 diabetes mellitus (n=2), hypertension (n=2), hypogonadism (n=3) and sleep apnea (n=2). Remarkably, all patients were younger than 40 years during their first cardiac decompensation. All patients presented with progressive shortness of breath and/or orthopnea and progressive pitting edema. In 117 controls with PWS without CV problems, 31% had leg edema. CONCLUSION Diagnosing CV problems in PWS adults is challenging. Peripheral edema is common in PWS adults without CV morbidity, which makes edema in general a poor marker for heart failure. However, when edema is of the pitting kind and progressive, this is a strong predictor of cardiac decompensation. We provide practical recommendations for diagnosing and treating CV problems in this vulnerable patient population.
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Affiliation(s)
- Karlijn Pellikaan
- Department of Internal Medicine, Division of Endocrinology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
- Center for Adults with Rare Genetic Syndromes, Department of Internal Medicine, Division of Endocrinology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
- Dutch Center of Reference for Prader-Willi Syndrome, Rotterdam, Netherlands
- Academic Centre for Growth Disorders, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Paula M. H. van Weijen
- Department of Internal Medicine, Division of Endocrinology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Anna G. W. Rosenberg
- Department of Internal Medicine, Division of Endocrinology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
- Center for Adults with Rare Genetic Syndromes, Department of Internal Medicine, Division of Endocrinology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
- Dutch Center of Reference for Prader-Willi Syndrome, Rotterdam, Netherlands
- Academic Centre for Growth Disorders, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
| | | | | | - Peter H. N. Oomen
- Department of Internal Medicine, Medical Center Leeuwarden, Leeuwarden, Netherlands
| | - Aart J. van der Lely
- Department of Internal Medicine, Division of Endocrinology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Judith A. A. E. Cuypers
- Department of Cardiology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Laura C. G. de Graaff
- Department of Internal Medicine, Division of Endocrinology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
- Center for Adults with Rare Genetic Syndromes, Department of Internal Medicine, Division of Endocrinology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
- Dutch Center of Reference for Prader-Willi Syndrome, Rotterdam, Netherlands
- Academic Centre for Growth Disorders, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
- *Correspondence: Laura C. G. de Graaff,
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Zhang Z, Wang J, Lin Y, Chen J, Liu J, Zhang X. Nutritional activities of luteolin in obesity and associated metabolic diseases: an eye on adipose tissues. Crit Rev Food Sci Nutr 2022; 64:4016-4030. [PMID: 36300856 DOI: 10.1080/10408398.2022.2138257] [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] [Indexed: 11/03/2022]
Abstract
Obesity is characterized by excessive body fat accumulation and is a high-risk factor for metabolic comorbidities, including type 2 diabetes, nonalcoholic fatty liver disease, and cardiovascular disease. In lean individuals, adipose tissue (AT) is not only an important regulatory organ for energy storage and metabolism, but also an indispensable immune and endocrine organ. The sustained energy imbalance induces adipocyte hypotrophy and hyperplasia as well as AT remodeling, accompanied by chronic low-grade inflammation and adipocytes dysfunction in AT, ultimately leading to systemic insulin resistance and ectopic lipid deposition. Luteolin is a natural flavonoid widely distributed in fruits and vegetables and possesses multifold biological activities, such as antioxidant, anticancer, and anti-inflammatory activities. Diet supplementation of this flavonoid has been reported to inhibit AT lipogenesis and inflammation as well as the ectopic lipid deposition, increase AT thermogenesis and systemic energy expenditure, and finally improve obesity and associated metabolic diseases. The purpose of this review is to reveal the nutritional activities of luteolin in obesity and its complications with emphasis on its action on AT energy metabolism, immunoregulation, and endocrine intervention.
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Affiliation(s)
- Zhixin Zhang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, China
| | - Jiahui Wang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, China
| | - Yan Lin
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, China
| | - Juan Chen
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, China
| | - Jian Liu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, China
- Engineering Research Center of Bioprocess, Ministry of Education, Hefei University of Technology, Hefei, Anhui, China
| | - Xian Zhang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, China
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Yin H, Huang J, Hu M. Moderate-Intensity Exercise Improves Endothelial Function by Altering Gut Microbiome Composition in Rats Fed a High-Fat Diet. J NIPPON MED SCH 2022; 89:316-327. [PMID: 35768269 DOI: 10.1272/jnms.jnms.2022_89-307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
BACKGROUND Obesity changes gut microbial ecology and is related to endothelial dysfunction. Although the correlation between gut microbial ecology and endothelial dysfunction has been studied in obese persons, the underlying mechanisms by which exercise enhances endothelial function in this group remain unclear. This study investigated whether exercise improves endothelial function and alters gut microbiome composition in rats fed a high-fat diet (HFD). METHODS Obesity was induced by an HFD for 11 weeks. Whole-body composition and endothelium-dependent relaxation of mesenteric arteries were measured. Blood biochemical tests were performed, and gut microbiomes were characterized by 16S rRNA gene sequencing on an Illumina HiSeq platform. RESULTS Exercise training for 8 weeks improved body composition in HFD-fed rats. Furthermore, compared with the untrained/HFD group, aerobic exercise significantly increased acetylcholine-induced, endothelium-dependent relaxation in mesenteric arteries (P < 0.05) and circulating vascular endothelial growth factor levels (P < 0.01) and decreased circulating C-reactive protein levels (P < 0.05). In addition, exercise and HFD resulted in alterations in the composition of the gut microbiome; exercise reduced the relative abundance of Clostridiales and Romboutsia. Moreover, 12 species of bacteria, including Romboutsia, were significantly associated with parameters of endothelial function in the overall sample. CONCLUSIONS These results suggest that aerobic exercise enhances endothelial function in HFD-fed rats by altering the composition of the gut microbiota. These findings provide new insights on the application of physical exercise for improving endothelial function in obese persons.
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Affiliation(s)
- Honggang Yin
- School of Kinesiology, Shanghai University of Sport.,Guangdong Provincial Key Laboratory of Sports and Health Promotion, Scientific Research Center, Guangzhou Sport University
| | - Junhao Huang
- Guangdong Provincial Key Laboratory of Sports and Health Promotion, Scientific Research Center, Guangzhou Sport University
| | - Min Hu
- School of Kinesiology, Shanghai University of Sport.,Department of Sports and Health, Guangzhou Sport University
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10
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Maj C, Salvi E, Citterio L, Borisov O, Simonini M, Glorioso V, Barlassina C, Glorioso N, Thijs L, Kuznetsova T, Cappuccio FP, Zhang ZY, Staessen JA, Cusi D, Lanzani C, Manunta P. Dissecting the Polygenic Basis of Primary Hypertension: Identification of Key Pathway-Specific Components. Front Cardiovasc Med 2022; 9:814502. [PMID: 35252394 PMCID: PMC8888857 DOI: 10.3389/fcvm.2022.814502] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Accepted: 01/19/2022] [Indexed: 12/11/2022] Open
Abstract
Introduction and Objectives Genome-wide association studies have identified a high number of genetic loci associated with hypertension suggesting the presence of an underlying polygenic architecture. In this study, we aimed to dissect the polygenic component of primary hypertension searching also for pathway-specific components. Methods The polygenic risk score (PRS) models, based on the UK biobank genetic signals for hypertension status, were obtained on a target Italian case/control cohort including 561 cases and 731 hyper-normal controls from HYPERGENES, and were then applied to an independent validation cohort composed by multi-countries European-based samples including 1,284 cases and 960 hyper-normal controls. Results The resulting genome-wide PRS was capable of stratifying the individuals for hypertension risk by comparing between individuals in the last PRS decile and the median decile: we observed an odds ratio (OR) of 3.62, CI = [2.01, 6.32] (P = 9.01E-07) and 3.22, 95% CI = [2.06, 5.10] (P = 6.47E-08) in the target and validation cohorts, respectively. The relatively high case/control ORs across PRS quantiles corroborates the presence of strong polygenic components which could be driven by an enrichment of risk alleles within the cases but also by potential enrichment of protective alleles in the old normotensive controls. Moreover, novel pathway-specific PRS revealed an enrichment of the polygenic signal attributable to specific biological pathways. Among those the most significantly associated with hypertension status was the calcium signaling pathway together with other mainly related such as the phosphatidylinositol/inositol phosphate pathways. Conclusions The development of pathway-specific PRS could prioritize biological mechanisms, according to their contribution to the genetic susceptibility, whose regulations might be a potential pharmacological preventive target.
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Affiliation(s)
- Carlo Maj
- Institute for Genomic Statistics and Bioinformatics, Medical Faculty, University of Bonn, Bonn, Germany
- *Correspondence: Carlo Maj
| | - Erika Salvi
- Neuroalgology Unit, Fondazione IRCCS Istituto Neurologico “Carlo Besta”, Milan, Italy
| | - Lorena Citterio
- Genomics of Renal Diseases and Hypertension Unit, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy
| | - Oleg Borisov
- Institute for Genomic Statistics and Bioinformatics, Medical Faculty, University of Bonn, Bonn, Germany
| | - Marco Simonini
- Genomics of Renal Diseases and Hypertension Unit, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy
| | - Valeria Glorioso
- Department of Statistics and Quantitative Methods, University of Milano-Bicocca, Milan, Italy
| | | | - Nicola Glorioso
- Department of Clinical and Experimental Medicine, Hypertension and Related Diseases Centre, University of Sassari, Sassari, Italy
| | - Lutgarde Thijs
- Research Unit Hypertension and Cardiovascular Epidemiology, KU Leuven Department of Cardiovascular Sciences, University of Leuven, Leuven, Belgium
| | - Tatiana Kuznetsova
- Research Unit Hypertension and Cardiovascular Epidemiology, KU Leuven Department of Cardiovascular Sciences, University of Leuven, Leuven, Belgium
| | - Francesco P. Cappuccio
- Warwick Medical School, and UHCW NHS Trust, University of Warwick, Coventry, United Kingdom
| | - Zhen-Yu Zhang
- Research Unit Hypertension and Cardiovascular Epidemiology, KU Leuven Department of Cardiovascular Sciences, University of Leuven, Leuven, Belgium
| | - Jan A. Staessen
- Research Institute Alliance for the Promotion of Preventive Medicine (APPREMED), Mechelen, Belgium
- Biomedical Science Group, Faculty of Medicine, University of Leuven, Leuven, Belgium
| | - Daniele Cusi
- Institute of Biomedical Technologies Milano National Research Council of Italy (CNR), Milano, Italy
- Bio4Dreams Scientific Unit, Bio4Dreams-Business Nursery for Life Sciences, Milano, Italy
| | - Chiara Lanzani
- Genomics of Renal Diseases and Hypertension Unit, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy
| | - Paolo Manunta
- Genomics of Renal Diseases and Hypertension Unit, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy
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11
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The Functional Interplay between Gut Microbiota, Protein Hydrolysates/Bioactive Peptides, and Obesity: A Critical Review on the Study Advances. Antioxidants (Basel) 2022; 11:antiox11020333. [PMID: 35204214 PMCID: PMC8868115 DOI: 10.3390/antiox11020333] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 02/04/2022] [Accepted: 02/06/2022] [Indexed: 02/05/2023] Open
Abstract
Diet is an essential factor determining the ratio of pathogenic and beneficial gut microbiota. Hydrolysates and bioactive peptides have been described as crucial ingredients from food protein that potentially impact human health beyond their roles as nutrients. These compounds can exert benefits in the body, including modulation of the gut microbiota, and thus, they can reduce metabolic disorders. This review summarized studies on the interaction between hydrolysates/peptides, gut microbes, and obesity, focusing on how hydrolysates/peptides influence gut microbiota composition and function that improve body weight. Findings revealed that gut microbes could exert anti-obesity effects by controlling the host’s energy balance and food intake. They also exhibit activity against obesity-induced inflammation by changing the expression of inflammatory-related transcription factors. Protein hydrolysates/peptides can suppress the growth of pro-obesity gut bacteria but facilitate the proliferation of those with anti-obesity effects. The compounds provide growth factors to the beneficial gut bacteria and also improve their resistance against extreme pH. Hydrolysates/peptides are good candidates to target obesity and obesity-related complications. Thus, they can allow the development of novel strategies to fight incidences of obesity. Future studies are needed to understand absorption fate, utilization by gut microbes, and stability of hydrolysates/peptides in the gut under obesity.
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12
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Reho JJ, Guo DF, Beyer AM, Wegman-Points L, Pierce GL, Rahmouni K. Vascular effects of disrupting endothelial mTORC1 signaling in obesity. Am J Physiol Regul Integr Comp Physiol 2021; 321:R228-R237. [PMID: 34189960 PMCID: PMC8409911 DOI: 10.1152/ajpregu.00113.2021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 06/11/2021] [Accepted: 06/28/2021] [Indexed: 11/22/2022]
Abstract
The mechanistic target of rapamycin complex 1 (mTORC1) signaling complex is emerging as a critical regulator of cardiovascular function with alterations in this pathway implicated in cardiovascular diseases. In this study, we used animal models and human tissues to examine the role of vascular mTORC1 signaling in the endothelial dysfunction associated with obesity. In mice, obesity induced by high-fat/high-sucrose diet feeding for ∼2 mo resulted in aortic endothelial dysfunction without appreciable changes in vascular mTORC1 signaling. On the other hand, chronic high-fat diet feeding (45% or 60% kcal: ∼9 mo) in mice resulted in endothelial dysfunction associated with elevated vascular mTORC1 signaling. Endothelial cells and visceral adipose vessels isolated from obese humans display a trend toward elevated mTORC1 signaling. Surprisingly, genetic disruption of endothelial mTORC1 signaling through constitutive or tamoxifen inducible deletion of endothelial Raptor (critical subunit of mTORC1) did not prevent or rescue the endothelial dysfunction associated with high-fat diet feeding in mice. Endothelial mTORC1 deficiency also failed to reverse the endothelial dysfunction evoked by a high-fat/high-sucrose diet in mice. Taken together, these data show increased vascular mTORC1 signaling in obesity, but this vascular mTORC1 activation appears not to be required for the development of endothelial impairment in obesity.
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Affiliation(s)
- John J Reho
- Department of Neuroscience and Pharmacology, University of Iowa, Iowa City, Iowa
| | - Deng-Fu Guo
- Department of Neuroscience and Pharmacology, University of Iowa, Iowa City, Iowa
- Obesity Research and Education Initiative, University of Iowa, Iowa City, Iowa
| | - Andreas M Beyer
- Department of Internal Medicine, University of Iowa, Iowa City, Iowa
| | | | - Gary L Pierce
- Department of Internal Medicine, University of Iowa, Iowa City, Iowa
- Department of Health and Human Physiology, University of Iowa, Iowa City, Iowa
- Fraternal Order of Eagles Diabetes Research Center, University of Iowa, Iowa City, Iowa
| | - Kamal Rahmouni
- Department of Neuroscience and Pharmacology, University of Iowa, Iowa City, Iowa
- Department of Internal Medicine, University of Iowa, Iowa City, Iowa
- Fraternal Order of Eagles Diabetes Research Center, University of Iowa, Iowa City, Iowa
- Obesity Research and Education Initiative, University of Iowa, Iowa City, Iowa
- Iowa City Veterans Affairs Health Care System, Iowa City, Iowa
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13
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Gerardi G, Cavia-Saiz M, Muñiz P. From winery by-product to healthy product: bioavailability, redox signaling and oxidative stress modulation by wine pomace product. Crit Rev Food Sci Nutr 2021; 62:7427-7448. [PMID: 33951976 DOI: 10.1080/10408398.2021.1914542] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The wine pomace is the main winery by-products that suppose an economic and environmental problem and their use as a functional ingredient are being increasingly recognized as a good and inexpensive source of bioactive compounds. In this sense, it is known the potential health properties of wine pomace products in the prevention of disorders associated with oxidative stress and inflammation such as endothelial dysfunction, hypertension, hyperglycemia, diabetes, obesity. Those effects are due to the bioactive compounds of wine pomace and the mechanisms concern especially modulation of antioxidant/prooxidant activity, improvement of nitric oxide bioavailability, reduction of pro-inflammatory cytokines and modulation of antioxidant/inflammatory signal pathways. This review mainly summarizes the mechanisms of wine pomace products as modulators of oxidative status involved in cell pathologies as well as their potential therapeutic use for cardiovascular diseases. For this purpose, the review provides an overview of the findings related to the wine pomace bioactive compounds profile, their bioavailability and the action mechanisms for maintaining the redox cell balance involved in health benefits. The review suggests an important role for wine pomace product in cardiovascular diseases prevention and their regular food intake may attenuate the development and progression of comorbidities associated with cardiovascular diseases.
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Affiliation(s)
- Gisela Gerardi
- Department of Biotechnology and Food Science, Faculty of Sciences, University of Burgos, Burgos, Spain
| | - Mónica Cavia-Saiz
- Department of Biotechnology and Food Science, Faculty of Sciences, University of Burgos, Burgos, Spain
| | - Pilar Muñiz
- Department of Biotechnology and Food Science, Faculty of Sciences, University of Burgos, Burgos, Spain
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14
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Wang XL, Zeng S, Li XX, Zhao Y, Wang XH, Li T, Liu S. The Protective Effects of Butorphanol on Pulmonary Function of Patients with Obesity Undergoing Laparoscopic Bariatric Surgery: a Double-Blind Randomized Controlled Trial. Obes Surg 2021; 30:3919-3929. [PMID: 32535786 DOI: 10.1007/s11695-020-04755-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND Obesity is a risk factor for postoperative pulmonary complications (PPCs). Recent studies have reported the pulmonary protective role of the kappa opioid receptor (KOR). Butorphanol is a narcotic with strong KOR agonist action, and the role in pulmonary protection is uncertain. Here, we hypothesized that butorphanol exerts protective effects on pulmonary function in patients with obesity undergoing laparoscopic bariatric surgery. METHODS Patients with a body mass index ≥ 30 kg/m2 scheduled for laparoscopic bariatric surgery were randomized to receive butorphanol or normal saline. Butorphanol was administered as an initial loading dose of 10 μg/kg at 5 min before induction followed by 5 μg/(kg h) during surgery. The primary outcome was arterial-alveolar oxygen tension ratio (a/A ratio). Secondary outcomes included other pulmonary variables, biomarkers reflecting pulmonary injury, and incidence of PPCs within 7 days after surgery. RESULTS Patients in the butorphanol group had a significantly higher a/A ratio at 1 h after the operation began (68 ± 7 vs. 55 ± 8, P < 0.001), end of the operation (73 ± 8 vs. 59 ± 7, P < 0.001), and 1 h after extubation (83 ± 9 vs. 70 ± 5, P < 0.001) compared with those in the control group. In addition, in the butorphanol group, dead space to tidal volume ratios were significantly lower than those in the control group at the same time points (all P < 0.001). In the control group, the levels of biomarkers reflecting pulmonary injury were significantly higher than those in the butorphanol group at 3 h, 6 h, 12 h, and 24 h postoperatively (P < 0.001). The incidence of PPCs was similar in both groups. CONCLUSION Butorphanol administration protected pulmonary function by improving oxygenation and reducing dead space ventilation in patients with obesity undergoing laparoscopic bariatric surgery. Butorphanol may therefore provide clinical benefits in patients with obesity.
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Affiliation(s)
- Xiu-Li Wang
- Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Si Zeng
- Department of Anesthesiology, Sichuan Academy of Medical Science & Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - Xiao-Xiao Li
- Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Ye Zhao
- Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Xing-He Wang
- Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Tong Li
- Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Su Liu
- Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China.
- Department of Anesthesiology, The Affiliated Hospital of Xuzhou Medical University, 99 Huaihai West Road, Xuzhou, 221000, Jiangsu, China.
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15
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Huang YC, Huang JC, Lin CI, Chien HH, Lin YY, Wang CL, Liang FW, Dai CY, Chuang HY. Comparison of Innovative and Traditional Cardiometabolic Indices in Estimating Atherosclerotic Cardiovascular Disease Risk in Adults. Diagnostics (Basel) 2021; 11:diagnostics11040603. [PMID: 33800660 PMCID: PMC8067018 DOI: 10.3390/diagnostics11040603] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 03/16/2021] [Accepted: 03/24/2021] [Indexed: 12/22/2022] Open
Abstract
This study aimed to investigate the performance of innovative and traditional cardiometabolic indices, including body mass index (BMI), waist circumference (WC), Chinese visceral adiposity index (CVAI), visceral adiposity index, lipid accumulation product, a body shape index (ABSI), body roundness index, conicity index (CI), triglyceride-glucose (TyG) index, TyG-BMI, and TyG-WC, in estimating atherosclerotic cardiovascular disease (ASCVD) risk in 3143 Taiwanese adults aged 20–79 years. Elevated 10-year ASCVD risk was defined as ≥7.5% using the Pooled Cohort Equations. The performance of different indices in estimating elevated ASCVD risk was assessed by receiver operating characteristic (ROC) curves. In multivariate-adjusted logistic regression analyses, all cardiometabolic indices (p-value < 0.001) were significantly associated with elevated ASCVD risk in both genders, except for ABSI and CI in women. In particular, CVAI had the largest area under the curve (AUC) in men (0.721) and women (0.883) in the ROC analyses. BMI had the lowest AUC in men (0.617), while ABSI had the lowest AUC in women (0.613). The optimal cut-off value for CVAI was 83.7 in men and 70.8 in women. CVAI performed best among various cardiometabolic indices in estimating elevated ASCVD risk. CVAI may be a reliable index for identifying people at increased risk of ASCVD.
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Affiliation(s)
- Ya-Chin Huang
- Department of Preventive Medicine, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung 801, Taiwan; (Y.-C.H.); (C.-I.L.); (H.-H.C.)
- Department of Occupational & Environmental Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (Y.-Y.L.); (C.-L.W.); (H.-Y.C.)
- Master Program of Public Health, Department of Public Health, College of Heath Sciences, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Jiun-Chi Huang
- Department of Internal Medicine, Kaohsiung Municipal Siaogang Hospital, Kaohsiung Medical University, Kaohsiung 812, Taiwan;
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Chia-I Lin
- Department of Preventive Medicine, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung 801, Taiwan; (Y.-C.H.); (C.-I.L.); (H.-H.C.)
- Department of Occupational & Environmental Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (Y.-Y.L.); (C.-L.W.); (H.-Y.C.)
| | - Hsu-Han Chien
- Department of Preventive Medicine, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung 801, Taiwan; (Y.-C.H.); (C.-I.L.); (H.-H.C.)
| | - Yu-Yin Lin
- Department of Occupational & Environmental Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (Y.-Y.L.); (C.-L.W.); (H.-Y.C.)
| | - Chao-Ling Wang
- Department of Occupational & Environmental Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (Y.-Y.L.); (C.-L.W.); (H.-Y.C.)
| | - Fu-Wen Liang
- Department of Public Health, College of Health Science, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Correspondence: (F.-W.L.); (C.-Y.D.)
| | - Chia-Yen Dai
- Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Hepatobiliary Division, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Correspondence: (F.-W.L.); (C.-Y.D.)
| | - Hung-Yi Chuang
- Department of Occupational & Environmental Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (Y.-Y.L.); (C.-L.W.); (H.-Y.C.)
- Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
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16
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Tricot GK, Novelli FII, Cambri LT. Obesity does not Impair Ambulatory Cardiovascular and Autonomic Responses Post-exercise. Int J Sports Med 2021; 42:1083-1091. [PMID: 33772502 DOI: 10.1055/a-1393-6184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
This study aimed to assess whether obesity and/or maximal exercise can change 24 h cardiac autonomic modulation and blood pressure in young men. Thirty-nine men (n: 20; 21.9±1.8 kg·m-2, and n: 19; 32.9±2.4 kg·m-2) were randomly assigned to perform a control (non-exercise) and an experimental day exercise (after maximal incremental test). Cardiac autonomic modulation was evaluated through frequency domain heart rate variability (HRV). Obesity did not impair the ambulatory HRV (p>0.05), however higher diastolic blood pressure during asleep time (p=0.02; group main effect) was observed. The 24 h and awake heart rate was higher on the experimental day (p<0.05; day main effect), regardless of obesity. Hypotension on the experimental day, compared to control day, was observed (p<0.05). Obesity indicators were significantly correlated with heart rate during asleep time (Rho=0.34 to 0.36) and with ambulatory blood pressure(r/Rho=0.32 to 0.53). Furthermore, the HRV threshold workload was significantly correlated with ambulatory heart rate (r/Rho=- 0.38 to-0.52). Finally, ambulatory HRV in obese young men was preserved; however, diastolic blood pressure was increased during asleep time. Maximal exercise caused heart rate increase and 24h hypotension, with decreased cardiac autonomic modulation in the first hour, regardless of obesity.
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17
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Reho JJ, Guo DF, Morgan DA, Rahmouni K. mTORC1 (Mechanistic Target of Rapamycin Complex 1) Signaling in Endothelial and Smooth Muscle Cells Is Required for Vascular Function. Hypertension 2020; 77:594-604. [PMID: 33356400 DOI: 10.1161/hypertensionaha.120.14708] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
mTORC1 (Mechanistic target of rapamycin complex 1) serves as a molecular hub and intracellular energy sensor that regulate various cellular processes. Emerging evidence points to mTORC1 signaling as a critical regulator of cardiovascular function with implications for cardiovascular disease. Here, we show that selective disruption of mTORC1, through conditional Raptor gene deletion, in endothelial or smooth muscle cells alter vascular function. Endothelial cell-specific Raptor deletion results in reduced relaxation responses evoked by acetylcholine in the aorta but not in the mesenteric artery. Of note, endothelial-specific Raptor deletion did not affect endothelial-independent vasorelaxation nor the contractile responses of the aorta or mesenteric artery. Interestingly, endothelial Raptor haploinsufficiency did not alter vascular endothelial function but attenuated the endothelial dysfunction evoked by angiotensin II. Smooth muscle cell-specific conditional deletion of Raptor reduces both endothelial- and smooth muscle-dependent relaxation responses as well as receptor-dependent and -independent contractility in the aorta. This was associated with activation of autophagy signaling. Notably, the changes in vascular function evoked by endothelial and smooth muscle Raptor deletion were independent of changes in blood pressure and heart rate. Together, these data suggest that vascular mTORC1 signaling is a critical regulator of vascular endothelial and smooth muscle function. mTORC1 signaling may represent a potential target for the treatment of vascular diseases associated with altered mTORC1 activity.
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Affiliation(s)
- John J Reho
- From the Department of Neuroscience and Pharmacology (J.J.R., D.-F.G., D.A.M., K.R.), University of Iowa Carver College of Medicine
| | - Deng-Fu Guo
- From the Department of Neuroscience and Pharmacology (J.J.R., D.-F.G., D.A.M., K.R.), University of Iowa Carver College of Medicine.,Veterans Affairs Health Care System, Iowa City, Iowa (D.-F.G., D.A.M., K.R.)
| | - Donald A Morgan
- From the Department of Neuroscience and Pharmacology (J.J.R., D.-F.G., D.A.M., K.R.), University of Iowa Carver College of Medicine.,Veterans Affairs Health Care System, Iowa City, Iowa (D.-F.G., D.A.M., K.R.)
| | - Kamal Rahmouni
- From the Department of Neuroscience and Pharmacology (J.J.R., D.-F.G., D.A.M., K.R.), University of Iowa Carver College of Medicine.,Department of Internal Medicine (K.R.), University of Iowa Carver College of Medicine.,Obesity Research and Education Initiative (K.R.), University of Iowa Carver College of Medicine.,Fraternal Order of Eagles Diabetes Research Center (K.R.), University of Iowa Carver College of Medicine.,Veterans Affairs Health Care System, Iowa City, Iowa (D.-F.G., D.A.M., K.R.)
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18
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Mi J, Song J, Zhao Y, Wu X. Association of hemoglobin glycation index and its interaction with obesity/family history of hypertension on hypertension risk: a community-based cross-sectional survey. BMC Cardiovasc Disord 2020; 20:477. [PMID: 33148181 PMCID: PMC7640660 DOI: 10.1186/s12872-020-01762-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 10/29/2020] [Indexed: 01/12/2023] Open
Abstract
Background Hemoglobin glycation index (HGI) is considered to be a convenient measurable indicator to assess the inter-individual variation of HbA1c. In the present study, we tested the relationship between HGI and risk of hypertension, and further explored the possible interacting influences of HGI with other such factors on hypertension risk among Chinese individuals. Methods The eligible subjects were chosen from a community-based cross-sectional survey in China. We collected relevant data and clinical indicators for each participant. HGI was calculated as “measured HbA1c-predicted HbA1c” and divided into four categories according to quartile. The following indicators were used to assess interactive effects: (1) relative excess risk due to interaction (RERI); (2) attributable proportion due to interaction (AP); and (3) synergy index (SI). Statistical analysis was performed using R software. Results Specifically, 1777 eligible participants were selected in this cross-sectional survey. There were 433 subjects who were identified to have hypertension (24.4%). A significant increase in the prevalence of hypertension from Q1 to Q4 of HGI was observed (p < 0.001). Multivariable logistic model demonstrated that subjects at the highest HGI group had a substantially increased risk of being hypertensive than subjects in the first quartile of HGI, as indicated by the OR value of 1.87 (95% CI 1.26–2.78). Moreover, a significant interaction between family history of hypertension and HGI on hypertension risk was detected (RERI: 1.36, 95% CI 0.11–2.63; AP: 0.43, 95% CI 0.17–0.69; and SI:2.68, 95% CI 1.10–6.48). The interactive effect between HGI and abdominal obesity was also found to be significant, as estimated by the value of RERI (1.04, 95% CI 0.24–1.85), AP (0.33, 95% CI 0.11–0.56) and SI (1.96, 95% CI 1.01–3.79). However, in the analysis of the interaction between HGI and general obesity, only the AP value (0.28, 95% CI 0.01–0.54) was observed to be significant. Conclusion High HGI was independently associated with the risk of hypertension. Moreover, HGI significantly shared interactions with obesity and family history of hypertension that influenced the risk of hypertension.
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Affiliation(s)
- Jing Mi
- School of Public Health, Bengbu Medical College, 2600 Donghai road, Bengbu, 233000, Anhui Province, China
| | - Jian Song
- School of Public Health, Bengbu Medical College, 2600 Donghai road, Bengbu, 233000, Anhui Province, China
| | - Yingying Zhao
- Bengbu Health Board, 568 Nanhu road, Bengbu, 233000, Anhui Province, China
| | - Xuesen Wu
- School of Public Health, Bengbu Medical College, 2600 Donghai road, Bengbu, 233000, Anhui Province, China.
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19
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Reho JJ, Guo DF, Rahmouni K. Mechanistic Target of Rapamycin Complex 1 Signaling Modulates Vascular Endothelial Function Through Reactive Oxygen Species. J Am Heart Assoc 2020; 8:e010662. [PMID: 31020916 PMCID: PMC6512105 DOI: 10.1161/jaha.118.010662] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Background The mechanistic target of rapamycin complex 1 (mTORC1) is an important intracellular energy sensor that regulates gene expression and protein synthesis through its downstream signaling components, the S6‐kinase and the ribosomal S6 protein. Recently, signaling arising from mTORC1 has been implicated in regulation of the cardiovascular system with implications for disease. Here, we examined the contribution of mTORC1 signaling to the regulation of vascular function. Methods and Results Activation of mTORC1 pathway in aortic rings with leucine or an adenoviral vector expressing a constitutively active S6‐kinase reduces endothelial‐dependent vasorelaxation in an mTORC1‐dependent manner without affecting smooth muscle relaxation responses. Moreover, activation of mTORC1 signaling in endothelial cells increases reactive oxygen species (ROS) generation and ROS gene expression resulting in a pro‐oxidant gene environment. Blockade of ROS signaling with Tempol restores endothelial function in vascular rings with increased mTORC1 activity indicating a crucial interaction between mTORC1 and ROS signaling. We then tested the role of nuclear factor‐κB transcriptional complex in connecting mTORC1 and ROS signaling in endothelial cells. Blockade of inhibitor of nuclear factor κ‐B kinase subunit β activity with BMS‐345541 prevented the increased ROS generation associated with increased mTORC1 activity in endothelial cells but did not improve vascular endothelial function in aortic rings with increased mTORC1 and ROS signaling. Conclusions These results implicate mTORC1 as a critical molecular signaling hub in the vascular endothelium in mediating vascular endothelial function through modulation of ROS signaling.
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Affiliation(s)
- John J Reho
- 1 Department of Pharmacology University of Iowa Carver College of Medicine Iowa City IA
| | - Deng-Fu Guo
- 1 Department of Pharmacology University of Iowa Carver College of Medicine Iowa City IA
| | - Kamal Rahmouni
- 1 Department of Pharmacology University of Iowa Carver College of Medicine Iowa City IA.,2 Department of Internal Medicine University of Iowa Carver College of Medicine Iowa City IA.,3 Fraternal Order of Eagles Diabetes Research Center University of Iowa Iowa City IA
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20
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Abad-Jiménez Z, López-Domènech S, Gómez-Abril SÁ, Periañez-Gómez D, de Marañón AM, Bañuls C, Morillas C, Víctor VM, Rocha M. Effect of Roux-en-Y Bariatric Bypass Surgery on Subclinical Atherosclerosis and Oxidative Stress Markers in Leukocytes of Obese Patients: A One-Year Follow-Up Study. Antioxidants (Basel) 2020; 9:antiox9080734. [PMID: 32796678 PMCID: PMC7464524 DOI: 10.3390/antiox9080734] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 08/06/2020] [Accepted: 08/08/2020] [Indexed: 12/31/2022] Open
Abstract
Little is known about the mechanisms underlying the cardioprotective effect of Roux en-Y gastric bypass (RYGB) surgery. Therefore, the aim of the present study was to investigate whether weight loss associated with RYGB improves the oxidative status of leukocytes and ameliorates subclinical atherosclerotic markers. This is an interventional study of 57 obese subjects who underwent RYGB surgery. We determined biochemical parameters and qualitative analysis of cholesterol, leukocyte and systemic oxidative stress markers —superoxide production, glutathione peroxidase 1 (GPX1), superoxide dismutase (SOD) activity and protein carbonylation—, soluble cellular adhesion molecules —sICAM-1 and sP-selectin—, myeloperoxidase (MPO) and leukocyte-endothelium cell interactions—rolling flux, velocity and adhesion. RYGB induced an improvement in metabolic parameters, including hsCRP and leukocyte count (p < 0.001, for both). This was associated with an amelioration in oxidative stress, since superoxide production and protein carbonylation were reduced (p < 0.05 and p < 0.01, respectively) and antioxidant systems were enhanced (GPX1; p < 0.05 and SOD; p < 0.01). In addition, a significant reduction of the following parameters was observed one year after RYGB: MPO and sICAM (p < 0.05, for both), sPselectin and pattern B of LDL particles (p < 0.001, for both), and rolling flux and adhesion of leukocytes (p < 0.05 and p < 0.01, respectively). Our results suggest that patients undergoing RYGB benefit from an amelioration of the prooxidant status of leukocytes, metabolic outcomes, and subclinical markers of atherosclerosis.
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Affiliation(s)
- Zaida Abad-Jiménez
- Department of Endocrinology and Nutrition, University Hospital Doctor Peset, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), 46017 Valencia, Spain; (Z.A.-J.); (S.L.-D.); (A.M.d.M.); (C.B.); (C.M.)
| | - Sandra López-Domènech
- Department of Endocrinology and Nutrition, University Hospital Doctor Peset, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), 46017 Valencia, Spain; (Z.A.-J.); (S.L.-D.); (A.M.d.M.); (C.B.); (C.M.)
| | - Segundo Ángel Gómez-Abril
- Department of General and Digestive System Surgery, University Hospital Doctor Peset, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), 46017 Valencia, Spain; (S.Á.G.-A.); (D.P.-G.)
- Department of Surgery, Faculty of Medicine and Dentistry, University of Valencia, Av Blasco Ibáñez 13, 46010 Valencia, Spain
| | - Dolores Periañez-Gómez
- Department of General and Digestive System Surgery, University Hospital Doctor Peset, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), 46017 Valencia, Spain; (S.Á.G.-A.); (D.P.-G.)
| | - Aranzazu M. de Marañón
- Department of Endocrinology and Nutrition, University Hospital Doctor Peset, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), 46017 Valencia, Spain; (Z.A.-J.); (S.L.-D.); (A.M.d.M.); (C.B.); (C.M.)
| | - Celia Bañuls
- Department of Endocrinology and Nutrition, University Hospital Doctor Peset, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), 46017 Valencia, Spain; (Z.A.-J.); (S.L.-D.); (A.M.d.M.); (C.B.); (C.M.)
| | - Carlos Morillas
- Department of Endocrinology and Nutrition, University Hospital Doctor Peset, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), 46017 Valencia, Spain; (Z.A.-J.); (S.L.-D.); (A.M.d.M.); (C.B.); (C.M.)
| | - Víctor M. Víctor
- Department of Endocrinology and Nutrition, University Hospital Doctor Peset, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), 46017 Valencia, Spain; (Z.A.-J.); (S.L.-D.); (A.M.d.M.); (C.B.); (C.M.)
- CIBERehd-Department of Pharmacology, University of Valencia, Av Blasco Ibáñez 13, 46010 Valencia, Spain
- Department of Physiology, Faculty of Medicine and Dentistry, University of Valencia, 46010 Valencia, Spain
- Correspondence: (V.M.V.); (M.R.)
| | - Milagros Rocha
- Department of Endocrinology and Nutrition, University Hospital Doctor Peset, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), 46017 Valencia, Spain; (Z.A.-J.); (S.L.-D.); (A.M.d.M.); (C.B.); (C.M.)
- CIBERehd-Department of Pharmacology, University of Valencia, Av Blasco Ibáñez 13, 46010 Valencia, Spain
- Correspondence: (V.M.V.); (M.R.)
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21
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Sahraoui A, Dewachter C, Vegh G, Mc Entee K, Naeije R, Bouguerra SA, Dewachter L. High fat diet altered cardiac metabolic gene profile in Psammomys obesus gerbils. Lipids Health Dis 2020; 19:123. [PMID: 32493392 PMCID: PMC7271448 DOI: 10.1186/s12944-020-01301-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2019] [Accepted: 05/22/2020] [Indexed: 01/18/2023] Open
Abstract
Background In metabolic disorders, myocardial fatty infiltration is critically associated with lipotoxic cardiomyopathy. Methods Twenty Psammomys obesus gerbils were randomly assigned to normal plant or high fat diet. Sixteen weeks later, myocardium was sampled for pathobiological evaluation. Results A sixteen-week high fat diet resulted in myocardial structure disorganization, with collagen deposits, lipid accumulation, cardiomyocyte apoptosis and inflammatory cell infiltration. Myocardial expressions of glucose transporter GLUT1 and pyruvate dehydrogenase (PDH) inhibitor, PDH kinase (PDK)4 increased, while insulin-regulated GLUT4 expression remained unchanged. Myocardial expressions of molecules regulating fatty acid transport, CD36 and fatty acid binding protein (FABP)3, were increased, while expression of rate-controlling fatty acid β-oxidation, carnitine palmitoyl transferase (CPT)1B decreased. Myocardial expression of AMP-activated protein kinase (AMPK), decreased, while expression of peroxisome proliferator activated receptors (PPAR)-α and -γ did not change. Conclusion In high fat diet fed Psammomys obesus, an original experimental model of nutritionally induced metabolic syndrome mixing genetic predisposition and environment interactions, a short period of high fat feeding was sufficient to induce myocardial structural alterations, associated with altered myocardial metabolic gene expression in favor of lipid accumulation.
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Affiliation(s)
- Abdelhamid Sahraoui
- Laboratory of Physiology and Pharmacology, Faculty of Medicine, Université Libre de Bruxelles, 808, Lennik Road, 1070, Brussels, Belgium.,Team of Cellular and Molecular Physiopathology, Faculty of Biological Sciences, Houari Boumediene University of Sciences and Technology, El Alia, Algiers, Algeria.,Faculté des Sciences de la Nature et de la Vie & des Sciences de la Terre, University Djilali Bounaama of Khemis Miliana, 44225, Khemis Miliana, Algeria
| | - Céline Dewachter
- Laboratory of Physiology and Pharmacology, Faculty of Medicine, Université Libre de Bruxelles, 808, Lennik Road, 1070, Brussels, Belgium.,Department of Cardiology, Cliniques Universitaires de Bruxelles, Hôpital Académique Erasme, Bruxelles, Belgium
| | - Grégory Vegh
- Laboratory of Physiology and Pharmacology, Faculty of Medicine, Université Libre de Bruxelles, 808, Lennik Road, 1070, Brussels, Belgium
| | - Kathleen Mc Entee
- Laboratory of Physiology and Pharmacology, Faculty of Medicine, Université Libre de Bruxelles, 808, Lennik Road, 1070, Brussels, Belgium
| | - Robert Naeije
- Laboratory of Physiology and Pharmacology, Faculty of Medicine, Université Libre de Bruxelles, 808, Lennik Road, 1070, Brussels, Belgium
| | - Souhila Aouichat Bouguerra
- Team of Cellular and Molecular Physiopathology, Faculty of Biological Sciences, Houari Boumediene University of Sciences and Technology, El Alia, Algiers, Algeria
| | - Laurence Dewachter
- Laboratory of Physiology and Pharmacology, Faculty of Medicine, Université Libre de Bruxelles, 808, Lennik Road, 1070, Brussels, Belgium.
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22
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Aktas H, Yılmaz OE, Ertugrul G, Terzi E. Intramuscular diclofenac is a cause of Nicolau syndrome in obese women: An observational study of consecutive ten patients. Dermatol Ther 2020; 33:e13392. [PMID: 32268452 DOI: 10.1111/dth.13392] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 04/03/2020] [Accepted: 04/04/2020] [Indexed: 11/29/2022]
Abstract
Nicolau syndrome is a skin and underlying tissue necrosis resulting from vascular occlusion after various injections of certain drugs. Intramuscular injections are the most common cause but it may occur after other types of parenteral interventions. There are many medications reported as causative factors inducing Nicolau syndrome including penicillin, nonsteroidal anti-inflammatory drugs, corticosteroids, local anesthetics, and several others. We present an observational study of diclofenac induced Nicolau syndrome.
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Affiliation(s)
- Habibullah Aktas
- Faculty of Medicine, Department of Dermatology, Karabuk University, Karabuk, Turkey
| | - Onur Evren Yılmaz
- Department of Plastic and Reconstructive Surgery, Izmir Medicalpark Hospital, Izmir, Turkey
| | - Goksen Ertugrul
- Faculty of Medicine, Department of Plastic and Reconstructive Surgery, Karabuk University, Turkey
| | - Erdinc Terzi
- Department of Dermatology, Private Yalova Hospital, Yalova, Turkey
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23
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Rashad NM, Ashour WMR, Samir GM, Abomandour HG. Serum salusin-β levels as predictors of coronary artery disease in obese Egyptian women. THE EGYPTIAN JOURNAL OF INTERNAL MEDICINE 2019. [DOI: 10.4103/ejim.ejim_123_18] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
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24
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El-Baz FK, Aly HF, Abd-Alla HI. The ameliorating effect of carotenoid rich fraction extracted from Dunaliella salina microalga against inflammation- associated cardiac dysfunction in obese rats. Toxicol Rep 2019; 7:118-124. [PMID: 31938688 PMCID: PMC6953768 DOI: 10.1016/j.toxrep.2019.12.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 12/25/2019] [Accepted: 12/29/2019] [Indexed: 12/17/2022] Open
Abstract
The carotenoid-rich fraction of Dunaliella salina improves serum inflammatory markers. The fraction has the ability to improve various disorders associated cardiac dysfunction in the high-fat diet treated rats. The fraction attenuates fibrotic cardiac tissue and congestion of myocardial blood vessels. The mentioned promising activities may be related to that fraction acts as an antioxidant and anti-inflammatory agent.
The carotenoid rich fraction of microalgae Dunaliella salina (crf-DS) have been receiving great attention, due to they abilities to protect and improve various disorders. The objective of this study is to explore the therapeutic efficiency of crf-DS on obesity-assciated cardiac dysfunction in the high-fat diet (HFD) treated rats. These rats were orally administered with crf-DS (150 mg /kg body weight), for six consecutive weeks in comparison with reference drug(orlistat). Specific cardiac biomarkers were examined including; adiponectin, plasminogen activator inhibitor (PAI-1), glucagon, troponin-I (cTnI). The cell adhesion molecules (VCAM and ICAM), C-reactive protein (CRP), collagen type II (Col II), collagen alpha-1 (III) chain (Col3A1), lipoxygenase activity (LOX), as well as histopathological examination of cardiac tissue were investigated. Results indicated a significant reduction(P ≤ 0.05) in adiponectin and glucagon levels in serum of obese rats. However, cTnI, PAI-1, cell adhesion molecules, CRP, Col II, and Col3A1 and LOX levels declared marked increase. Histopathological examination of cardiac tissue showed fibrosis with severe congestion in the myocardial blood vessels. On the other hand, rats medicated with a crf-DS demonstrated noticeable ameliorating effect in all the measured parameters. Beside, myocardial tissue of obese rats showed no alteration. Hence, It could be concluded that, oral supplementation with crf-DS is able to attenuate cardiac dysfunction in obese rats. Further extended work is needed to exploit, the possible application of D. salina as nutraceuticals and food additives.
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Affiliation(s)
- Farouk K El-Baz
- Plant Biochemistry Department, National Research Centre (NRC), 33 El Bohouth St. (Former El-Tahrir St.), 12622 Dokki, Giza, Egypt
| | - Hanan F Aly
- Therapeutic Chemistry Department, National Research Centre (NRC), 33 El Bohouth St. (Former El- Tahrir St.), 12622 Dokki, Giza, Egypt
| | - Howaida I Abd-Alla
- Chemistry of Natural Compounds Department, National Research Centre (NRC), 33 El Bohouth St. (Former El-Tahrir St.), 12622 Dokki, Giza, Egypt
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25
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Johnson SA, Litwin NS, Seals DR. Age-Related Vascular Dysfunction: What Registered Dietitian Nutritionists Need to Know. J Acad Nutr Diet 2019; 119:1785-1796. [DOI: 10.1016/j.jand.2019.03.016] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 03/13/2019] [Accepted: 03/22/2019] [Indexed: 12/11/2022]
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26
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Le Y, Hu X, Zhu J, Wang C, Yang Z, Lu D. Ambient fine particulate matter induces inflammatory responses of vascular endothelial cells through activating TLR-mediated pathway. Toxicol Ind Health 2019; 35:670-678. [PMID: 31601156 DOI: 10.1177/0748233719871778] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
This study aims to investigate the role of Toll-like receptors (TLRs) on fine particulate matter (PM2.5)-induced inflammatory responses of vascular endothelial cells. Inflammatory factors and TLRs were examined in the aorta of mice after nonsurgical intratracheal instillation of PM2.5 as well as in the human umbilical vein endothelial cells (HUVECs) treated with PM2.5. In addition, the effects of TLR2 and TLR4 inhibitors in the secretion of interleukin 6 (IL-6) and IL-1β and the expression of TLRs were determined in the HUVECs. The results showed that PM2.5 could increase the expression of IL-1β, IL-6, TLR2, and TLR4 in vitro and in vivo. Anti-TLR2 IgG or TAK242, an inhibitor of TLR4, decreased the secretion of IL-1β and IL-6 by HUVECs and reduced the expression of corresponding TLRs. In conclusion, we demonstrate that both TLR2 and TLR4 are involved in PM2.5-induced inflammatory responses of vascular endothelial cells. Inhibition of TLR2 and TLR4 expression has the potential to prevent PM2.5-induced cardiovascular diseases.
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Affiliation(s)
- Yifei Le
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - Xiao Hu
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - Ji Zhu
- Clinical Laboratory, The Third Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, China
| | - Cui Wang
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - Zhen Yang
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - Dezhao Lu
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, China
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27
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Ionica M, Aburel OM, Vaduva A, Petrus A, Rațiu S, Olariu S, Sturza A, Muntean DM. Vitamin D alleviates oxidative stress in adipose tissue and mesenteric vessels from obese patients with subclinical inflammation. Can J Physiol Pharmacol 2019; 98:85-92. [PMID: 31545914 DOI: 10.1139/cjpp-2019-0340] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Obesity is an age-independent, lifestyle-triggered, pandemic disease associated with both endothelial and visceral adipose tissue (VAT) dysfunction leading to cardiometabolic complications mediated via increased oxidative stress and persistent chronic inflammation. The purpose of the present study was to assess the oxidative stress in VAT and vascular samples and the effect of in vitro administration of vitamin D. VAT and mesenteric artery branches were harvested during abdominal surgery performed on patients referred for general surgery (n = 30) that were randomized into two subgroups: nonobese and obese. Serum levels of C-reactive protein (CRP) and vitamin D were measured. Tissue samples were treated or not with the active form of vitamin D: 1,25(OH)2D3 (100 nmol/L, 12 h). The main findings are that in obese patients, (i) a low vitamin D status was associated with increased inflammatory markers and reactive oxygen species generation in VAT and vascular samples and (ii) in vitro incubation with vitamin D alleviated oxidative stress in VAT and vascular preparations and also improved the vascular function. We report here that the serum level of vitamin D is inversely correlated with the magnitude of oxidative stress in the adipose tissue. Ex vivo treatment with active vitamin D mitigated obesity-related oxidative stress.
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Affiliation(s)
- Mihaela Ionica
- Department of Functional Sciences-Pathophysiology, University of Medicine and Pharmacy of Timi̦soara, Timi̦soara, Romania
| | - Oana M Aburel
- Department of Functional Sciences-Pathophysiology, University of Medicine and Pharmacy of Timi̦soara, Timi̦soara, Romania.,Center for Translational Research and Systems Medicine, Faculty of Medicine, University of Medicine and Pharmacy of Timi̦soara, Timi̦soara, Romania
| | - Adrian Vaduva
- Department of Anatomy, Physiology and Pathophysiology, Faculty of Pharmacy, University of Medicine and Pharmacy of Timi̦soara, Timi̦soara, Romania
| | - Alexandra Petrus
- Department of Microscopic Morphology-Morphopathology, University of Medicine and Pharmacy of Timi̦soara, Timi̦soara, Romania
| | - Sonia Rațiu
- Department of Surgery II, 1st Clinic of Surgery, Faculty of Medicine, University of Medicine and Pharmacy of Timi̦soara, Timi̦soara, Romania
| | - Sorin Olariu
- Department of Surgery II, 1st Clinic of Surgery, Faculty of Medicine, University of Medicine and Pharmacy of Timi̦soara, Timi̦soara, Romania
| | - Adrian Sturza
- Department of Functional Sciences-Pathophysiology, University of Medicine and Pharmacy of Timi̦soara, Timi̦soara, Romania.,Center for Translational Research and Systems Medicine, Faculty of Medicine, University of Medicine and Pharmacy of Timi̦soara, Timi̦soara, Romania
| | - Danina M Muntean
- Department of Functional Sciences-Pathophysiology, University of Medicine and Pharmacy of Timi̦soara, Timi̦soara, Romania.,Center for Translational Research and Systems Medicine, Faculty of Medicine, University of Medicine and Pharmacy of Timi̦soara, Timi̦soara, Romania
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Lian Y, Xie L, Liu Y, Tang F. Metabolic-related markers and inflammatory factors as predictors of dyslipidemia among urban Han Chinese adults. Lipids Health Dis 2019; 18:167. [PMID: 31472689 PMCID: PMC6717639 DOI: 10.1186/s12944-019-1109-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 08/22/2019] [Indexed: 12/22/2022] Open
Abstract
Background Metabolic-related markers and inflammatory factors have been proved to be associated with increased risk of dyslipidemia. Elucidating the mechanisms underlying these associations might provide an important perspective for the prevention of dyslipidemia. In the present study, we aimed to explore the effect of metabolic-related markers on dyslipidemia, and to assess what extent inflammation mediating these associations. Methods A total of 25,130 participants without dyslipidemia at baseline were included in the present study during 2010–2015. A partial least squares path model was used to explore possible pathways from metabolic-related markers to dyslipidemia, and the mediation role of inflammation. Results Lipid metabolism factor, blood pressure factor, obesity condition factor, glucose metabolism factor, renal function factor and lifestyle factor had diverse impact on development of dyslipidemia, directly and (or) indirectly. Partial least squares path analysis revealed that the determination coefficient of the model (R2) was 0.52. Lipid metabolism factor, obesity condition factor, and glucose metabolism factor had both direct and indirect effect on dyslipidemia through inflammatory factor. Lipid metabolism factor was the most important risk factor (β = 0.68) in the prediction of dyslipidemia, followed by obesity condition factor (β = 0.06) and glucose metabolism factor (β = 0.03). Conclusions Metabolic-related markers are strong risk factors for dyslipidemia. Inflammatory factors have significant mediating effect on these relationships. These findings suggested that comprehensive intervention strategies on metabolic biomarkers and inflammatory factors should be taken into consideration in prevention and treatment of dyslipidemia.
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Affiliation(s)
- Ying Lian
- Center for Data Science in Health and Medicine, Shandong Provincial Qianfoshan Hospital, The First Affiliated Hospital of Shandong First Medical University, Jingshi Road 16766, Jinan, 250014, China.,Shandong Provincial Qianfoshan Hospital Affiliated to Shandong University, Jinan, China
| | - Lingling Xie
- Department of Endocrinology, Zhangqiu District Hospital of Traditional Chinese Medicine, Jinan, China
| | - Yafei Liu
- Center for Data Science in Health and Medicine, Shandong Provincial Qianfoshan Hospital, The First Affiliated Hospital of Shandong First Medical University, Jingshi Road 16766, Jinan, 250014, China.,Shandong Provincial Qianfoshan Hospital Affiliated to Shandong University, Jinan, China
| | - Fang Tang
- Center for Data Science in Health and Medicine, Shandong Provincial Qianfoshan Hospital, The First Affiliated Hospital of Shandong First Medical University, Jingshi Road 16766, Jinan, 250014, China. .,Shandong Provincial Qianfoshan Hospital Affiliated to Shandong University, Jinan, China.
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29
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Reho JJ, Guo DF, Morgan DA, Rahmouni K. Smooth Muscle Cell-Specific Disruption of the BBSome Causes Vascular Dysfunction. Hypertension 2019; 74:817-825. [PMID: 31422694 DOI: 10.1161/hypertensionaha.119.13382] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The BBSome-a complex consisting of 8 Bardet-Biedl syndrome proteins-is involved in the regulation of various cellular processes. Recently, the BBSome complex has emerged as an important regulator of cardiovascular function with implications for disease. In this study, we examined the role of the BBSome in vascular smooth muscle and its effects on the regulation of cardiovascular function. Smooth muscle-specific disruption of the BBSome through tamoxifen-inducible deletion of Bbs1 gene-a critical component of the BBSome complex-reduces relaxation and enhances contractility of vascular rings and increases aortic stiffness independent of changes in arterial blood pressure. Mechanistically, we demonstrate that smooth muscle Bbs1 gene deletion increases vascular angiotensinogen gene expression implicating the renin-angiotensin system in these altered cardiovascular responses. Additionally, we report that smooth muscle-specific Bbs1 knockout mice demonstrate enhanced ET-1 (endothelin-1)-induced contractility of mesenteric arteries-an effect reversed by blockade of the AT1 (angiotensin type 1 receptor) with losartan. These findings highlight the importance of the smooth muscle BBSome in the control of vascular function and arterial stiffness through modulation of renin-angiotensin system signaling.
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Affiliation(s)
- John J Reho
- From the Department of Pharmacology (J.J.R., D.-F.G., D.A.M., K.R.), University of Iowa Carver College of Medicine
| | - Deng-Fu Guo
- From the Department of Pharmacology (J.J.R., D.-F.G., D.A.M., K.R.), University of Iowa Carver College of Medicine
| | - Donald A Morgan
- From the Department of Pharmacology (J.J.R., D.-F.G., D.A.M., K.R.), University of Iowa Carver College of Medicine
| | - Kamal Rahmouni
- From the Department of Pharmacology (J.J.R., D.-F.G., D.A.M., K.R.), University of Iowa Carver College of Medicine.,Department of Internal Medicine (K.R.), University of Iowa Carver College of Medicine.,Obesity Education and Research Initiative (K.R.), University of Iowa Carver College of Medicine.,Fraternal Order of Eagles Diabetes Research Center (K.R.), University of Iowa Carver College of Medicine.,Veterans Affairs Health Care System, Iowa City, IA (K.R.)
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30
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Baranowska-Bik A, Bik W. Vascular Dysfunction and Insulin Resistance in Aging. Curr Vasc Pharmacol 2019; 17:465-475. [DOI: 10.2174/1570161117666181129113611] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 09/10/2018] [Accepted: 11/13/2018] [Indexed: 12/17/2022]
Abstract
:
Insulin was discovered in 1922 by Banting and Best. Since that time, extensive research on
the mechanisms of insulin activity and action has continued. Currently, it is known that the role of insulin
is much greater than simply regulating carbohydrate metabolism. Insulin in physiological concentration
is also necessary to maintain normal vascular function.
:
Insulin resistance is defined as a pathological condition characterized by reduced sensitivity of skeletal
muscles, liver, and adipose tissue, to insulin and its downstream metabolic effects under normal serum
glucose concentrations. There are also selective forms of insulin resistance with unique features, including
vascular insulin resistance. Insulin resistance, both classical and vascular, contributes to vascular
impairment resulting in increased risk of cardiovascular disease. Furthermore, in the elderly population,
additional factors including redistribution of fat concentrations, low-grade inflammation, and decreased
self-repair capacity [or cell senescence] amplify the vascular abnormalities related to insulin resistance.
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Affiliation(s)
| | - Wojciech Bik
- Department of Neuroendocrinology, Centre of Postgraduate Medical Education, Warsaw, Poland
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Bacchetti T, Morresi C, Vignini A, Tiano L, Orlando P, Montik N, Ciavattini A, Ferretti G. HDL functionality in follicular fluid in normal-weight and obese women undergoing assisted reproductive treatment. J Assist Reprod Genet 2019; 36:1657-1664. [PMID: 31338723 PMCID: PMC6708027 DOI: 10.1007/s10815-019-01523-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Accepted: 07/08/2019] [Indexed: 11/28/2022] Open
Abstract
OBJECTIVE High-density lipoproteins (HDL) exert pleiotropic roles in follicular fluid (FF). Previous studies have reported a relationship between obesity, infertility, and systemic oxidative stress. The aim of our study was to investigate for the first time the HDL functional properties in FF in obesity. METHODS In this observational study, overweight/obese (n = 20) and normal-weight women (n = 38) undergoing assisted reproductive technology were included. Compositional properties and biochemical marker of functionality (HDL oxidation rate), HDL-associated antioxidants (paraoxonase-1 activities and CoQ10 content), and lipid hydroperoxide levels were evaluated in FF from normal-weight and overweight/obese women. Correlations between biochemical parameters and indices for oocyte and embryo quality were studied. RESULTS FF-HDL obtained from overweight/obese women are characterized by high intrinsic ability to be oxidized compared with FF-HDL from normal-weight women. These alterations are associated with lower activities of paraoxonase-1 (PON1), higher levels of lipid peroxidation, and a lower total antioxidant capacity in FF. Moreover, an association between PON1 activity and FF-HDL oxidation and clinical parameter of oocyte quality was observed. CONCLUSION Our data suggest that the quality of FF-HDL is important determinant for oocyte quality. Therefore, targeting FF-HDL functionality, in addition to FF-HDL-C levels, may represent a promising and interesting biomarker for reproductive outcomes.
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Affiliation(s)
- Tiziana Bacchetti
- Department of Life and Environmental Sciences, Polytechnic University of Marche, Ancona, Italy.
| | - Camilla Morresi
- Department of Life and Environmental Sciences, Polytechnic University of Marche, Ancona, Italy
| | - Arianna Vignini
- Department of Clinical Sciences, Section of Biochemistry, Biology and Physics, Polytechnic University of Marche, Ancona, Italy
| | - Luca Tiano
- Department of Life and Environmental Sciences, Polytechnic University of Marche, Ancona, Italy
| | - Patrick Orlando
- Department of Life and Environmental Sciences, Polytechnic University of Marche, Ancona, Italy
| | - Nina Montik
- Woman's Health Sciences Department, Gynecologic Section, Polytechnic University of Marche, Ancona, Italy
| | - Andrea Ciavattini
- Woman's Health Sciences Department, Gynecologic Section, Polytechnic University of Marche, Ancona, Italy
| | - Gianna Ferretti
- Department of Clinical Sciences, Section of Biochemistry, Biology and Physics, Polytechnic University of Marche, Ancona, Italy
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Kwak SH, Kim YH. Zaluzanin C Inhibits Differentiation of 3T3-L1 Preadipocytes into Mature Adipocytes. J Obes Metab Syndr 2019; 28:105-111. [PMID: 31294342 PMCID: PMC6604843 DOI: 10.7570/jomes.2019.28.2.105] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2019] [Revised: 04/11/2019] [Accepted: 06/19/2019] [Indexed: 01/15/2023] Open
Abstract
Background An excess storage of body fat causes obesity. Since obesity increases risk of chronic diseases, it is important to inhibit excessive storage of fat. Zaluzanin C is a sesquiterpene lactone isolated from Ainsliaea acerifolia. The aim of this study was to demonstrate the effect of zaluzanin C on differentiation of 3T3-L1 preadipocytes into mature adipocytes. Methods The cytotoxicity of zaluzanin C and its effect on cell proliferation was determined. For the induction of adipocyte differentiation, 3T3-L1 preadipocytes were treated with differentiating medium containing 10 μg/mL insulin, 115 μg/mL methylisobutylxanthine, and 1 μM dexamethasone. Differentiated 3T3-L1 cells were subjected to Oil red O solution or used for Western blot analysis. Zaluzanin C was added to the cell culture medium at concentrations of 0, 1, 2.5, 5, and 10 μM. Results Zaluzanin C did not inhibit cell proliferation and showed no cytotoxicity at 10 μM concentration in 3T3-L1 cells. Therefore, concentration range of 0–10 μM zaluzanin C was used for subsequent experiments. Zaluzanin C inhibited accumulation of lipid droplets in 3T3-L1 adipocytes. To understand the underlying mechanism of zaluzanin C, expression of adipogenesis regulators was determined by Western blot analysis. Zaluzanin C suppressed peroxisome proliferator-activated receptor gamma (PPARγ) expression, an adipogenesis related transcription factor, and inhibited aP2/fatty acid-binding protein-4 expression, a target gene of PPARγ. However, it did not affect expression of CCAAT/enhancer-binding protein alpha related with acquisition of insulin sensitivity. Conclusion These data suggest that inhibitory effect of zaluzanin C on adipogenesis of 3T3-L1 adipocytes could be partially caused by suppressing PPARγ.
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Affiliation(s)
- Sang Hee Kwak
- Department of Food and Nutrition, Daegu University, Gyeongsan, Korea
| | - Yoon Hee Kim
- Department of Food and Nutrition, Daegu University, Gyeongsan, Korea.,Research Institute of Anti-Aging, Daegu University, Gyeongsan, Korea.,Institute of Industrial and Technology, Daegu University, Gyeongsan, Korea
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Cholinergic drugs ameliorate endothelial dysfunction by decreasing O-GlcNAcylation via M3 AChR-AMPK-ER stress signaling. Life Sci 2019; 222:1-12. [PMID: 30786250 DOI: 10.1016/j.lfs.2019.02.036] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 02/15/2019] [Accepted: 02/17/2019] [Indexed: 01/22/2023]
Abstract
AIMS Obesity is associated with increased cardiovascular morbidity and mortality. It is accompanied by augmented O-linked β-N-acetylglucosamine (O-GlcNAc) modification of proteins via increasing hexosamine biosynthetic pathway (HBP) flux. However, the changes and regulation of the O-GlcNAc levels induced by obesity are unclear. MAIN METHODS High fat diet (HFD) model was induced obesity in mice with or without the cholinergic drug pyridostigmine (PYR, 3 mg/kg/d) for 22 weeks and in vitro human umbilical vein endothelial cells (HUVECs) was treated with high glucose (HG, 30 mM) with or without acetylcholine (ACh). KEY FINDINGS PYR significantly reduced body weight, blood glucose, and O-GlcNAcylation levels and attenuated vascular endothelial cells detachment in HFD-fed mice. HG addition induced endoplasmic reticulum (ER) stress and increased O-GlcNAcylation levels and apoptosis in HUVECs in a time-dependent manner. Additionally, HG decreased levels of phosphorylated AMP-activated protein kinase (AMPK). Interestingly, ACh significantly blocked damage to HUVECs induced by HG. Furthermore, the effects of ACh on HG-induced ER stress, O-GlcNAcylation, and apoptosis were prevented by treating HUVECs with 4-diphenylacetoxy-N-methylpiperidine methiodide (4-DAMP, a selective M3 AChR antagonist) or compound C (Comp C, an AMPK inhibitor). Treatment with 5-aminoimidazole-4-carboxamide ribose (AICAR, an AMPK activator), 4-phenyl butyric acid (4-PBA, an ER stress inhibitor), and 6-diazo-5-oxonorleucine (DON, a GFAT antagonist) reproduced a similar effect with ACh. SIGNIFICANCE Activation of cholinergic signaling ameliorated endothelium damage, reduced levels of ER stress, O-GlcNAcylation, and apoptosis in mice and HUVECs under obese conditions, which may function through M3 AChR-AMPK signaling.
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The Impact of Cardiac Lipotoxicity on Cardiac Function and Mirnas Signature in Obese and Non-Obese Rats with Myocardial Infarction. Sci Rep 2019; 9:444. [PMID: 30679580 PMCID: PMC6345821 DOI: 10.1038/s41598-018-36914-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 11/27/2018] [Indexed: 02/08/2023] Open
Abstract
Cardiac lipotoxicity is involved in the cardiac functional consequences associated with obesity. Therefore, the aim of this study was to explore whether changes in the mitochondrial lipid cardiac profile could reflect differences in cardiac function and structure in obese and non-obese rats with myocardial infarction (MI). Whether these changes can also be reflected in a specific plasma miRNA signature as markers of cardiac damage was also evaluated. Rats were fed with either standard (3.5% fat) or high fat diet (35% fat) for 6 weeks before the induction of MI and sacrificed 4 weeks later. MI showed cardiac lipotoxicity independently of the presence of obesity, although obese and non-obese rats did not present the same cardiac lipid profile at mitochondrial level. Several cardiac lipid species in mitochondria, including cardiolipins and triglycerides, were associated with myocardial fibrosis, with mitochondrial triglyceride levels being independently associated with it; this supports that lipotoxicity can affect cardiac function. MI down-regulated plasma levels of miRNA 15b-5p and 194-5p in obese and non-obese animals, which were associated with cardiac function, mitochondrial lipids and myocardial fibrosis, with miRNA 15b-5p levels being independently associated with cardiac fibrosis. This could support that lipotoxicity could affect heart function by modulating plasma miRNAs.
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Lin H, Yuan Y, Tian S, Han J, Huang R, Guo D, Wang J, An K, Wang S. In Addition to Poor Glycemic Control, a High Level of Irisin in the Plasma Portends Early Cognitive Deficits Clinically in Chinese Patients With Type 2 Diabetes Mellitus. Front Endocrinol (Lausanne) 2019; 10:634. [PMID: 31572306 PMCID: PMC6753617 DOI: 10.3389/fendo.2019.00634] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Accepted: 08/30/2019] [Indexed: 11/13/2022] Open
Abstract
Background and Objectives: Irisin plays an important role in the metabolism and homeostasis of energy balance, which is involved in cognitive impairment. This study aimed to investigate the role of irisin in mild cognitive impairment (MCI) among Chinese patients with type 2 diabetes mellitus (T2DM). Methods: We recruited 133 Chinese patients with T2DM, and divided them according to the Montreal Cognitive Assessment score. Demographic data were collected and the level of irisin in the plasma was determined. In addition, the results of neuropsychological testing were examined. The concentration of irisin in the plasma was measured using an enzyme immunoassay. Results: A total of 59 patients were diagnosed with MCI and 74 patients were included as healthy-cognition controls. The level of irisin in the plasma (p = 0.043) and homeostasis model of assessment for insulin resistance (p = 0.032) in diabetic patients with MCI were higher than those observed in the healthy controls. A higher level of irisin in the plasma was associated with impaired overall cognition, specifically executive function. Linear regression analysis suggested that irisin (p = 0.017) and glycosylated hemoglobin (p = 0.036) were independent factors of diabetic MCI. Conclusions: The level of irisin in the plasma correlated with cognitive impairment in T2DM patients, particularly with executive function. These results further suggest that, in addition to poor glycemic control, a high level of irisin in the plasma portends early cognitive deficits clinically in Chinese patients with T2DM.
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Affiliation(s)
- Hongyan Lin
- Department of Endocrinology, Affiliated Zhongda Hospital, Southeast University, Nanjing, China
- School of Medicine, Southeast University, Nanjing, China
| | - Yang Yuan
- Department of Endocrinology, Affiliated Zhongda Hospital, Southeast University, Nanjing, China
- School of Medicine, Southeast University, Nanjing, China
| | - Sai Tian
- Department of Endocrinology, Affiliated Zhongda Hospital, Southeast University, Nanjing, China
- School of Medicine, Southeast University, Nanjing, China
| | - Jing Han
- Department of Endocrinology, Affiliated Zhongda Hospital, Southeast University, Nanjing, China
| | - Rong Huang
- Department of Endocrinology, Affiliated Zhongda Hospital, Southeast University, Nanjing, China
- School of Medicine, Southeast University, Nanjing, China
| | - Dan Guo
- Department of Endocrinology, Affiliated Zhongda Hospital, Southeast University, Nanjing, China
- School of Medicine, Southeast University, Nanjing, China
| | - Jiaqi Wang
- Department of Endocrinology, Affiliated Zhongda Hospital, Southeast University, Nanjing, China
- School of Medicine, Southeast University, Nanjing, China
| | - Ke An
- Department of Endocrinology, Affiliated Zhongda Hospital, Southeast University, Nanjing, China
- School of Medicine, Southeast University, Nanjing, China
| | - Shaohua Wang
- Department of Endocrinology, Affiliated Zhongda Hospital, Southeast University, Nanjing, China
- *Correspondence: Shaohua Wang
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Naseri R, Farzaei F, Haratipour P, Nabavi SF, Habtemariam S, Farzaei MH, Khodarahmi R, Tewari D, Momtaz S. Anthocyanins in the Management of Metabolic Syndrome: A Pharmacological and Biopharmaceutical Review. Front Pharmacol 2018; 9:1310. [PMID: 30564116 PMCID: PMC6288909 DOI: 10.3389/fphar.2018.01310] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Accepted: 10/26/2018] [Indexed: 12/14/2022] Open
Abstract
The term "metabolic syndrome" (MetS) refers to a combination of diabetes, high blood pressure, and obesity. The origin of MetS includes a combination of multiple factors, such as sedentary lifestyle, unhealthy diet choice, and genetic factors. MetS is highly prevalent and adversely affects the general population by elevating risk of cardiovascular complications, organ failure, and much other pathology associated with late-stage diabetes. Anthocyanins (ANTs) are health-promoting bioactive compounds belonging to the flavonoids subclass of polyphenols. Numerous studies have reported the potential therapeutic benefits on MetS syndrome and diabetes from fruits rich in ANTs. This review summarizes the role of several dietary ANTs on preventing and managing MetS as well as the pharmacological mechanisms and biopharmaceutical features of their action. We also discuss potential nanoformulation and encapsulation approaches that may enhance the bioefficacy of ANTs in MetS. Experiments have demonstrated that ANTs may attenuate the symptoms of MetS via improving insulin resistance, impaired glucose tolerance, dyslipidaemia, cholesterol levels, hypertension, blood glucose, protecting β cells, and preventing free radical production. In brief, the intake of ANT-rich supplements should be considered due to their plausible ability for prevention and management of MetS. Additionally, randomized double-blind clinical trials are obligatory for evaluating the bioefficacy and pharmacological mechanisms of ANTs and their pharmaceutical formulations in patients with MetS.
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Affiliation(s)
- Rozita Naseri
- Internal Medicine Department, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Fatemeh Farzaei
- Pharmaceutical Sciences Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Pouya Haratipour
- Department of Chemistry, Sharif University of Technology, Tehran, Iran
- Phyto Pharmacology Interest Group, Universal Scientific Education and Research Network, Los Angeles, CA, United States
| | - Seyed Fazel Nabavi
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Solomon Habtemariam
- Pharmacognosy Research Laboratories, Medway School of Science, University of Greenwich, Kent, United Kingdom
| | - Mohammad Hosein Farzaei
- Pharmaceutical Sciences Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Reza Khodarahmi
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Devesh Tewari
- Department of Pharmaceutical Sciences, Faculty of Technology, Kumaun University, Nainital, India
| | - Saeideh Momtaz
- Medicinal Plants Research Center, Institute of Medicinal Plants, ACECR, Karaj, Iran
- Toxicology and Diseases Group, The Institute of Pharmaceutical Sciences, Tehran University of Medical Sciences, Tehran, Iran
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Boix-Castejón M, Herranz-López M, Pérez Gago A, Olivares-Vicente M, Caturla N, Roche E, Micol V. Hibiscus and lemon verbena polyphenols modulate appetite-related biomarkers in overweight subjects: a randomized controlled trial. Food Funct 2018; 9:3173-3184. [PMID: 29862395 DOI: 10.1039/c8fo00367j] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
TRIAL DESIGN Plant-derived polyphenols have shown potential to alleviate obesity-related pathologies by a multi-targeted mechanism in animal models and human intervention studies. A dietary supplement based on a combination of Lippia citriodora (LC) and Hibiscus sabdariffa (HS) polyphenolic extracts was assayed in a double blind and placebo-controlled intervention study with 54 overweight subjects. METHODS Blood pressure, body weight, height, triceps, biceps and abdominal skinfold thickness, and arm and abdominal circumferences were taken at the baseline, 30 and 60 days of the intervention period. The validated Visual Analogue Scale used to record hunger and satiety-related sensations was passed at the beginning and at 15, 30, 45 and 60 days of the intervention. Subjective health status was assessed through the validated SF-36 questionnaire at the beginning and end of the study. Finally, plasma from fasting blood samples was obtained at the beginning, 30 and 60 days of the study. RESULTS The results showed an improvement of anthropometric measurements, decreased blood pressure and heart rate and a more positive perception in the overall health status. We also observed that plant polyphenols increased anorexigenic hormones (glucagon-like peptide-1) and decreased orexigenic hormones (ghrelin). CONCLUSIONS Based on previous evidence we postulate that AMP-activated protein kinase may have a role in such effects through its capability to modulate energy homeostasis, total daily energy expenditure and lipid management. Although further research may be required, we propose that this polyphenolic combination may be used for weight management by increasing long-term weight loss maintenance through the modulation of appetite biomarkers. This may help to avoid the undesired weight regain typical of calorie restriction diets.
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Affiliation(s)
- Marina Boix-Castejón
- Department of Applied Biology-Nutrition, Miguel Hernández University, Alicante Institute for Health and Biomedical Research (ISABIAL-FISABIO Foundation), Alicante, Spain
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Gentile D, Fornai M, Pellegrini C, Colucci R, Benvenuti L, Duranti E, Masi S, Carpi S, Nieri P, Nericcio A, Garelli F, Virdis A, Pistelli L, Blandizzi C, Antonioli L. Luteolin Prevents Cardiometabolic Alterations and Vascular Dysfunction in Mice With HFD-Induced Obesity. Front Pharmacol 2018; 9:1094. [PMID: 30319424 PMCID: PMC6167518 DOI: 10.3389/fphar.2018.01094] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Accepted: 09/07/2018] [Indexed: 12/25/2022] Open
Abstract
Purpose: Luteolin exerts beneficial effects against obesity-associated comorbidities, although its influence on vascular dysfunction remains undetermined. We examined the effects of luteolin on endothelial dysfunction in a mouse model of diet-induced obesity. Methods: Standard diet (SD) or high-fat diet (HFD)-fed mice were treated daily with luteolin intragastrically. After 8 weeks, body and epididymal fat weight, as well as blood cholesterol, glucose, and triglycerides were evaluated. Endothelium-dependent relaxations of resistance mesenteric vessels was assessed by a concentration-response curve to acetylcholine, repeated upon Nw-nitro-L-arginine methylester (L-NAME) or ascorbic acid infusion to investigate the influence of nitric oxide (NO) availability and reactive oxygen species (ROS) on endothelial function, respectively. Intravascular ROS production and TNF levels were measured by dihydroethidium dye and ELISA, respectively. Endothelial NO synthase (eNOS) and superoxide dismutase 1 (SOD1), as well as microRNA-214-3p expression were examined by Western blot and RT-PCR assays, respectively. Results: HFD animals displayed elevated body weight, epididymal fat weight and metabolic indexes. Endothelium-dependent relaxation was resistant to L-NAME and enhanced by ascorbic acid, which restored also the inhibitory effect of L-NAME, suggesting a ROS-dependent reduction of NO availability in HFD vessels. Moreover, media-lumen ratio, intravascular superoxide anion and TNF levels were increased, while vascular eNOS, SOD1, and microRNA-214-3p expression were decreased. In HFD mice, luteolin counteracted the increase in body and epididymal fat weight, and metabolic alterations. Luteolin restored vascular endothelial NO availability, normalized the media-lumen ratio, decreased ROS and TNF levels, and normalized eNOS, SOD1 and microRNA-214-3p expression. Conclusion: Luteolin prevents systemic metabolic alterations and vascular dysfunction associated with obesity, likely through antioxidant and anti-inflammatory mechanisms.
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Affiliation(s)
- Daniela Gentile
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Matteo Fornai
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Carolina Pellegrini
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Rocchina Colucci
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | - Laura Benvenuti
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Emiliano Duranti
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Stefano Masi
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Sara Carpi
- Department of Pharmacy, University of Pisa, Pisa, Italy
| | - Paola Nieri
- Department of Pharmacy, University of Pisa, Pisa, Italy.,Interdepartmental Research Center "Nutraceuticals and Food for Health", University of Pisa, Pisa, Italy
| | - Anna Nericcio
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | - Francesca Garelli
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | - Agostino Virdis
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Laura Pistelli
- Interdepartmental Research Center "Nutraceuticals and Food for Health", University of Pisa, Pisa, Italy.,Department of Agriculture, Food and Environment, University of Pisa, Pisa, Italy
| | - Corrado Blandizzi
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Luca Antonioli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
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Sanchis-Chordà J, Del Pulgar EMG, Carrasco-Luna J, Benítez-Páez A, Sanz Y, Codoñer-Franch P. Bifidobacterium pseudocatenulatum CECT 7765 supplementation improves inflammatory status in insulin-resistant obese children. Eur J Nutr 2018; 58:2789-2800. [PMID: 30251018 DOI: 10.1007/s00394-018-1828-5] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Accepted: 09/18/2018] [Indexed: 01/28/2023]
Abstract
PURPOSE The relationships between gut microbiota and obesity-related co-morbidities have been increasingly recognized. Low-grade inflammation may be the main factor in the pathogenesis of such disorders. We investigated the effect of the potential probiotic Bifidobacterium pseudocatenulatum CECT 7765 on cardiometabolic risk factors, inflammatory cytokines and gut microbiota composition in obese children with insulin resistance. METHODS The study included 48 obese children (10-15 years old) with insulin resistance. They received dietary advice and were assigned to take the capsules with or without probiotic (109-10 CFU) daily for 13 weeks. Clinical, biochemical and gut microbiome measurements were made at baseline and at the end of the intervention. RESULTS There was a significant improvement in body mass index in all children after the intervention, suggesting that weight changes are related to the dietary advice. A significant decrease in circulating high-sensitive C-reactive protein (P = 0.026) and monocyte chemoattractant protein-1 (P = 0.032) and an increase in high-density lipoprotein cholesterol (P = 0.035) and omentin-1 (P = 0.023) in children receiving probiotic supplementation were observed compared to the control group. Regarding gut microbiota, probiotic administration significantly increased the proportion of the Rikenellaceae family members, particularly of the Alistipes genus. CONCLUSIONS The beneficial effects of the intervention on inflammatory markers and lipid profile suggest that B. pseudocatenulatum CECT 7765 intake together with dietary recommendations can improve inflammatory status in children with obesity and insulin resistance. These effects are parallel to increases in bacterial groups associated with a lean phenotype. The modulation of gut microbiota with probiotic supplementation can be considered an effective tool to ameliorate some obesity-related disorders in children.
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Affiliation(s)
- Jesús Sanchis-Chordà
- Department of Pediatrics, Obstetrics and Gynecology, University of Valencia, Avenida de Blasco Ibañez, no 15, 46010, Valencia, Spain
| | - Eva M Gómez Del Pulgar
- Microbial Ecology, Nutrition and Health Research Group, Institute of Agrochemistry and Food Technology (IATA), National Research Council (CSIC), C/Médico Agustín Escardino, no 7, Paterna, 46980, Valencia, Spain
| | - Joaquín Carrasco-Luna
- Department of Pediatrics, Obstetrics and Gynecology, University of Valencia, Avenida de Blasco Ibañez, no 15, 46010, Valencia, Spain.,Department of Experimental Sciences, Universidad Católica de Valencia, C/Quevedo, no 2, 46001, Valencia, Spain
| | - Alfonso Benítez-Páez
- Microbial Ecology, Nutrition and Health Research Group, Institute of Agrochemistry and Food Technology (IATA), National Research Council (CSIC), C/Médico Agustín Escardino, no 7, Paterna, 46980, Valencia, Spain
| | - Yolanda Sanz
- Microbial Ecology, Nutrition and Health Research Group, Institute of Agrochemistry and Food Technology (IATA), National Research Council (CSIC), C/Médico Agustín Escardino, no 7, Paterna, 46980, Valencia, Spain
| | - Pilar Codoñer-Franch
- Department of Pediatrics, Obstetrics and Gynecology, University of Valencia, Avenida de Blasco Ibañez, no 15, 46010, Valencia, Spain. .,Department of Pediatrics, Dr. Peset University Hospital, Avenida Gaspar Aguilar, no 90, 46017, Valencia, Spain.
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Nunes KP, de Oliveira AA, Mowry FE, Biancardi VC. Targeting toll-like receptor 4 signalling pathways: can therapeutics pay the toll for hypertension? Br J Pharmacol 2018; 176:1864-1879. [PMID: 29981161 DOI: 10.1111/bph.14438] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 06/09/2018] [Accepted: 06/24/2018] [Indexed: 02/06/2023] Open
Abstract
The immune system plays a prominent role in the initiation and maintenance of hypertension. The innate immune system, via toll-like receptors (TLRs), identifies distinct signatures of invading microbes and damage-associated molecular patterns and triggers a chain of downstream signalling cascades, leading to secretion of pro-inflammatory cytokines and shaping the adaptive immune response. Over the past decade, a dysfunctional TLR-mediated response, particularly via TLR4, has been suggested to support a chronic inflammatory state in hypertension, inducing deleterious local and systemic effects in host cells and tissues and contributing to disease progression. While the underlying mechanisms triggering TLR4 need further research, evidence suggests that sustained elevations in BP disrupt homeostasis, releasing endogenous TLR4 ligands in hypertension. In this review, we discuss the emerging role of TLR4 in the pathogenesis of hypertension and whether targeting this receptor and its signalling pathways could offer a therapeutic strategy for management of this multifaceted disease. LINKED ARTICLES: This article is part of a themed section on Immune Targets in Hypertension. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v176.12/issuetoc.
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Affiliation(s)
- Kenia Pedrosa Nunes
- Department of Biological Sciences, Florida Institute of Technology, Melbourne, FL, USA
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Baldo MP, Zaniqueli DA, Mill JG. Commentary: Peripheral and Central Aortic Pressure, Wave-Derived Reflection Parameters, Local and Regional Arterial Stiffness and Structural Parameters in Children and Adolescents: Impact of Body Mass Index Variations. High Blood Press Cardiovasc Prev 2018; 25:281-282. [PMID: 29987535 DOI: 10.1007/s40292-018-0270-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 07/01/2018] [Indexed: 11/25/2022] Open
Affiliation(s)
- Marcelo Perim Baldo
- Department of Pathophysiology, Montes Claros State University - UNIMONTES, Av Dr Rui Braga, S/N, Vila Mauriceia, 39401-089, Montes Claros, MG, Brazil.
| | - Divanei A Zaniqueli
- Department of Physiological Sciences, Federal University of Espírito Santo, Vitoria, Brazil
| | - José G Mill
- Department of Physiological Sciences, Federal University of Espírito Santo, Vitoria, Brazil
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Multimorbidity Trends in United States Adults, 1988-2014. J Am Board Fam Med 2018; 31:503-513. [PMID: 29986975 PMCID: PMC6368177 DOI: 10.3122/jabfm.2018.04.180008] [Citation(s) in RCA: 128] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Revised: 04/03/2018] [Accepted: 04/03/2018] [Indexed: 12/15/2022] Open
Abstract
IMPORTANCE The simultaneous presence of multiple conditions in one patient (multi-morbidity) is a key challenge facing primary care. OBJECTIVE The purpose of this study was to determine the prevalence of multi-morbidity and to document changes in prevalence during the last 25 years. DESIGN/SETTING Cross-sectional study using multiple years (1988-2014) of the National Health and Nutrition Examination Survey (NHANES) were analyzed. SETTING Multiple years (1988 to 2014) of the National Health and Nutrition Examination Survey (NHANES) from the United States were analyzed. PARTICIPANTS Noninstitutionalized adults. MAIN OUTCOMES AND MEASURES Number of chronic conditions per individual analyzed by age, race, gender, and socioeconomic factors. RESULTS A total of 57,303 individuals were surveyed regarding the presence of multi-morbidity in separate surveys spanning 1988-2014. The overall current prevalence in 2013-2014 of >2 morbidities was 59.6% (95% CI 58.1%-61.1%), 38.5% had 3 or more, and 22.7% had 4 or more morbidities, which was significantly higher than in 1988 (45.7%, 95% CI 43.5%-47.8%, with >2 morbidities). Among individuals with 2 or more morbidities, 54.1% have obesity compared to 41.9% in 1988. Among adults age >65, prevalence was 91.8% for 2 or more morbidities. Whites and Blacks had significantly higher prevalence (59.2% and 60.1%) than Hispanic or "other" race (45.0%, P < .0001). Women (58.4%) had more current multi-morbidities (>2) than men (55.9%, P = .01). CONCLUSIONS AND RELEVANCE Multimorbidity is common and has been increasing over the last 25 years. This finding has implications for public health policy and anticipated health costs for the coming years.
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The inflammatory state of adipose tissue is not affected by the anti-inflammatory response of the A2a-adenosine system and miR-221/PTEN. Int J Biochem Cell Biol 2018; 100:42-48. [DOI: 10.1016/j.biocel.2018.04.020] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Revised: 04/26/2018] [Accepted: 04/30/2018] [Indexed: 12/22/2022]
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Morais SRD, Viana ACC, Daltro AFCS, Mendonça PDS. Cardiovascular risk and use of conicity index in patients submitted to autologous hematopoietic stem cell transplantation. ACTA ACUST UNITED AC 2018; 16:eAO4253. [PMID: 29898091 PMCID: PMC5995550 DOI: 10.1590/s1679-45082018ao4253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2017] [Accepted: 01/09/2018] [Indexed: 11/22/2022]
Abstract
Objective To analyze the prevalence of overweight and the use of conicity index for cardiovascular risk assessment in individuals submitted to autologous hematopoietic stem cell transplantation. Methods The sample comprised 91 patients of both sexes, who underwent autologous hematopoietic stem cell transplantation from September 2008 to December 2013, aged 18 years or over. To determine the nutritional profile, we collected anthropometric data on weight, height, waist circumference upon hospital admission. The body mass index and the conicity index were calculated. Results A total of 91 patients diagnosed with multiple myeloma, Hodgkin's lymphoma, non-Hodgkin's lymphoma and other conditions were evaluated. The mean age was 43.5 (14.2) years, 63.7% were male. We verified that according to the body mass index, 63.7% were overweight and, according to waist circumference, 74.7% had a higher risk for cardiovascular diseases. According to the calculation of the conicity index, 92.3% of patients presented increased cardiovascular risk. Patients with multiple myeloma had a higher conicity index when compared to other patients (p<0.01). Conclusion This study revealed a high prevalence of overweight and cardiovascular risk. It should be noted that the conicity index was a good method to evaluate cardiovascular risk and that new studies using this index should be performed.
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Dietary flavonoids as a potential intervention to improve redox balance in obesity and related co-morbidities: a review. Nutr Res Rev 2018; 31:239-247. [PMID: 29871706 DOI: 10.1017/s0954422418000082] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Obesity represents one of major health problems strongly linked to other co-morbidities, such as type 2 diabetes, CVD, gastrointestinal disorders and cognitive impairment. In this context, nutritional stress, such as an excess of fat intake, promotes a systemic oxidative stress, characterised by hyperproduction of reactive oxygen species, leading to cellular alterations that include impaired energy metabolism, altered cell signalling and cell cycle control, impaired cell transport mechanisms and overall dysfunctional biological activity. Flavonoids, dietary components of plant foods, are endowed with a wide spectrum of biological activities, including antioxidant activity, and have been proposed to reduce the risk of major chronic diseases. The present review intends to highlight and critically discuss the current scientific evidence on the possible effects of flavonoids in counteracting obesity and related co-morbidities (i.e. type 2 diabetes mellitus, CVD, gastrointestinal disorders and cognitive impairment) through a decrease in oxidative stress and related inflammatory conditions.
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Zhong Q, Lin R, Nong Q. Adiposity and Serum Selenium in U.S. Adults. Nutrients 2018; 10:nu10060727. [PMID: 29874857 PMCID: PMC6024359 DOI: 10.3390/nu10060727] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Accepted: 05/31/2018] [Indexed: 02/04/2023] Open
Abstract
Requirements for selenium and other antioxidant nutrients are increased in pro-oxidant and pro-inflammatory conditions such as excess adiposity. Data concerning the association of excess general and central adiposity with circulating selenium concentrations, however, are limited. We examined the cross-sectional associations of body mass index (BMI), percent body fat (%BF), and waist circumference (WC) with serum selenium concentrations in 6440 men and 6849 women aged ≥20 years who participated in the U.S. Third National Health and Nutrition Examination Survey. In multivariable analyses, the average difference (95% confidence interval (CI)) in serum selenium comparing the highest with the lowest quartiles of BMI was -4.0 (-5.5, -1.6) ng/mL in both men and women. These inverse associations were evident after further adjustment for WC. For %BF, the average differences (95% CI) in serum selenium between the highest and the lowest quartiles of %BF were -1.7 (-4.2, 0.7) ng/mL in men and -4.5 (-7.0, -1.9) ng/mL in women. The inverse association in women persisted after adjusting for WC. For WC, the average differences (95% CI) in serum selenium between the highest and the lowest quartiles were -1.9 (-3.8, -0.1) ng/mL in men and -3.9 (-5.8, -2.0) ng/mL in women. After further adjustment for BMI, the inverse association became positive in men and null in women. Our findings suggest that general and central adiposity have different associations with serum selenium levels and that these associations may depend on gender.
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Affiliation(s)
- Qiuan Zhong
- Guangxi Medical University, School of Public Health, Department of Epidemiology, Nanning 530021, China.
- Guangxi Colleges and Universities Key Laboratory of Prevention and Control of Highly Prevalent Diseases, Guangxi Medical University School of Public Health, Nanning 530021, China.
| | - Ruoxi Lin
- Johns Hopkins Bloomberg School of Public Health, Departments of Epidemiology and Welch Center for Prevention Epidemiology and Clinical Research, Baltimore, MD 21205, USA.
| | - Qingjiao Nong
- Guangxi Medical University, School of Public Health, Department of Epidemiology, Nanning 530021, China.
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Association of Ischemic Cardiovascular Disease with Inadequacy of Liver Store of Retinol in Elderly Individuals. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:9785231. [PMID: 29805732 PMCID: PMC5901952 DOI: 10.1155/2018/9785231] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Revised: 01/08/2018] [Accepted: 02/19/2018] [Indexed: 12/31/2022]
Abstract
Objective Vitamin A antioxidant role has an important relationship with the metabolic processes of aging and cardiovascular disease (CVD). This study aimed at assessing the liver store of retinol in elderly individuals who died from cardiovascular disease and its relationship with liver weight and body weight. Methods and Results This is a cross-sectional study conducted in necropsied individuals, aged 60 years or over, until 48 hours postmortem. The study assessed 65 elderly individuals who died from ischemic heart diseases (G1), cerebrovascular diseases (G2), other forms of heart disease (G3), or infectious heart diseases (G4). Twenty percent had inadequate liver store of retinol. G1 showed lower median of liver store of retinol when compared to G3 (p < 0.001), and G3 showed the highest median when compared to G2 (p = 0.007). A significant association was observed between inadequate liver store of retinol and death by ischemic CVD (G1) (p = 0.001) with an odds ratio of 10.38. It was observed that individuals with higher body weight and liver weight showed lower liver store of retinol with significant differences (p = 0.027 and p = 0.026). Conclusion Ischemic CVD and increased body weight and liver weight are related to a greater impairment of the liver store of retinol.
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Zhao B, Liu L, Leng Y, Yuan Q, Hou J, Wu Y, Gao W. The role of histone deacetylase inhibitors in regulation of Akt/GSK-3β signaling pathway in mice following transient focal cerebral ischemia. Acta Cir Bras 2018; 32:862-872. [PMID: 29160373 DOI: 10.1590/s0102-865020170100000008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Accepted: 09/18/2017] [Indexed: 11/21/2022] Open
Abstract
PURPOSE To investigate whether the neuroprotective effect of TSA on cerebral ischemia reperfusion injury is mediated by the activation of Akt/GSK-3β signaling pathway. METHODS Mice were randomly divided into four groups (n=15): sham group (S); ischemia reperfusion group (IR); ischemia reperfusion and pretreated with TSA group (IR+T); ischemia reperfusion and pretreated with TSA and LY294002 group (IR+T+L). The model of cerebral ischemia reperfusion was established by 1h of MCAO following 24h of reperfusion. TSA (5mg/kg) was intraperitoneally given for 3 days before MCAO, Akt inhibitor, LY294002 (15 nmol/kg) was injected by tail vein 30 min before the MCAO. RESULTS TSA significantly increased the expression of p-Akt, p-GSK-3β proteins and the levels of SOD, Bcl-2, reduced the infarct volume and the levels of MDA, ROS, TNF-α, IL-1β, Bax, Caspase-3, TUNEL and attenuated neurological deficit in mice with transient MCAO, LY294002 weakened such effect of TSA dramatically. CONCLUSIONS TSA could significantly decrease the neurological deficit and reduce the cerebral infarct volume, oxidative stress, inflammation, as well as apoptosis during cerebral ischemia reperfusion injury, which was achieved by activation of the Akt/GSK-3β signaling pathway.
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Affiliation(s)
- Bo Zhao
- Doctor of Medicine, Department of Anesthesiology, Renmin Hospital, Wuhan University, China. Acquisition and interpretation of data, manuscript writing
| | - Lian Liu
- Master of Medicine, Department of Anesthesiology, Renmin Hospital, Wuhan University, China. Acquisition and interpretation of data, critical revision
| | - Yan Leng
- Doctor of Medicine, Department of Anesthesiology, Renmin Hospital, Wuhan University, China. Acquisition and interpretation of data
| | - Quan Yuan
- Master of Medicine, Department of Anesthesiology, Renmin Hospital, Wuhan University, China. Acquisition and interpretation of data
| | - Jiabao Hou
- Master of Medicine, Department of Anesthesiology, Renmin Hospital, Wuhan University, China. Acquisition and interpretation of data
| | - Yang Wu
- Doctor of Medicine, Department of Anesthesiology, Renmin Hospital, Wuhan University, China. Acquisition and interpretation of data
| | - Wenwei Gao
- Doctor of Medicine, Department of Critical Care Medicine, Renmin Hospital, Wuhan University, China. Design and supervised all phases of the study
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Calcaterra V, De Giuseppe R, Biino G, Mantelli M, Marchini S, Bendotti G, Madè A, Avanzini MA, Montalbano C, Cossellu G, Larizza D, Cena H. Relation between circulating oxidized-LDL and metabolic syndrome in children with obesity: the role of hypertriglyceridemic waist phenotype. J Pediatr Endocrinol Metab 2017; 30:1257-1263. [PMID: 29127769 DOI: 10.1515/jpem-2017-0239] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2017] [Accepted: 10/04/2017] [Indexed: 11/15/2022]
Abstract
BACKGROUND The association between oxidative stress (OS) and metabolic syndrome (MetS) has been reported in adults. We analyzed the relation between circulating oxidized low-density lipoproteins (Ox-LDL) and MetS in pediatric ages in order to define whether plasma Ox-LDL levels are correlated to obesity and whether oxidative damage, using serum Ox-LDL levels as a proxy, are associated with MetS. METHODS We enrolled 178 children (11.8±2.6 years). On the basis of a body mass index (BMI) threshold, the subjects were classified as: normal weight BMI <75th percentile; overweight BMI 75-97th percentile; obese BMI >97th percentile. Patients were classified as having MetS if they met three or more of the following criteria for age and sex: BMI >97th percentile, triglyceride levels >95th percentile, high-density lipoprotein (HDL) cholesterol level <5th percentile, systolic blood pressure (SBP) and/or diastolic blood pressure (DBP) >95th percentile and impaired glucose tolerance. RESULTS Obese children showed increased MetS prevalence (p=0.001) and higher Ox-LDL levels compared to normal- and overweight subjects (p<0.05), with a limited relation between Ox-LDL and MetS (p=0.06). Waist-to-height ratio (W/HtR) (p=0.02), triglycerides (TG) (p=0.001) and LDL-cholesterol (p<0.001) resulted independent predictors of increased plasma Ox-LDL levels. CONCLUSIONS Oxidative damage was correlated with a hypertriglyceridemic waist phenotype and can be a precocious marker of MetS and cardiometabolic risk in obese children.
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