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Kalyoncu D. Platelet indices in overweight and obese children. Eur J Pediatr 2023; 182:3989-3995. [PMID: 37386192 DOI: 10.1007/s00431-023-05082-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/21/2023] [Accepted: 06/22/2023] [Indexed: 07/01/2023]
Abstract
The aim of the study was to determine the association between platelet indices and obesity in children. A total of 190 overweight or obese children (mean age: 13.29 ± 2.54, M/F: 0.74) and 100 normal-weight children (mean age: 12.72 ± 2.23, M/F:1.04) were enrolled in the study. Platelet count (PLT), platelet indices, and ratios were determined. No significant difference was observed in terms of mean platelet volume (MPV) and platelet distribution width (PDW) levels and MPV/plateletcrit (PCT) and PDW/PCT ratios between overweight, obese, and normal-weight groups, whereas significant differences were observed in terms of PLT, PCT, MPV/PLT, and PDW/PLT ratios between each group. PLT and PCT levels were significantly higher in the obese group than in the overweight and normal-weight groups (P = 0.003, P = 0.002, respectively). Children with obesity had lower MPV/PLT and PDW/PLT ratios than the other groups (P = 0.001, P = 0.02, respectively). Overweight and obese children with insulin resistance (IR) had higher PLT and lower MPV/PLT, and PDW/PLT ratios than the children without IR (P = 0.034, P = 0.04, P = 0.013, respectively). CONCLUSION Significant differences were observed in terms of PLT, PCT, MPV/PLT, and PDW/PLT between overweight, obese, and normal-weight children. WHAT IS KNOWN • Obesity is associated with a chronic low-grade systemic inflammation. • Platelets play a crucial role in coagulation, hemostasis, thrombosis, immunomodulatory processes, inflammation, and atherothrombosis. WHAT IS NEW • Significant differences were observed in terms of PLT, PCT, MPV/PLT, and PDW/PLT between overweight, obese, and normal-weight children. • Overweight and obese children with insulin resistance had higher PLT and lower MPV/PLT and PDW/PLT ratios than the children without insülin resistance.
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Affiliation(s)
- Derya Kalyoncu
- Istinye State Hospital, Istinye Street No. 98, Sariyer, Istanbul, Turkey.
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Nkambule BB, Mxinwa V, Nyambuya TM, Dludla PV. The mean platelet volume and atherosclerotic cardiovascular-risk factors in adults with obesity: a systematic review and meta-analysis of observational studies. BMC Nutr 2022; 8:47. [PMID: 35578358 PMCID: PMC9109381 DOI: 10.1186/s40795-022-00541-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Accepted: 04/26/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Obesity is a major risk factor for atherosclerotic cardiovascular disease (ASCVD) and is associated with altered platelet function. The mean platelet volume (MPV) is a rapid measure of platelet activation and a prognostic marker in patients with cardiovascular disease. However, no meta-analysis on the association between MPV and obesity has been conducted, and the value of monitoring the MPV in patients with obesity remains unclear. OBJECTIVE To provide cumulative evidence on whether the mean platelet volume (MPV) is increased in individuals with obesity and to describe associations between the ASCVD-risk factors and the MPV in individuals with obesity. METHODS This meta-analysis was prepared following the Meta-analysis Of Observational Studies (MOOSE) guidelines. We searched the PubMed and Embase database from inception until the 31st of March 2021. Studies were included when they reported the mean platelet volume in individuals with obesity and provided a suitable non-obese comparator group. The risk of bias was independently assessed by two reviewers using the Newcastle-Ottawa scale. The primary outcome of the meta-analysis was the MPV, while we considered the atherosclerotic risk profiles as a secondary outcome. RESULTS We identified 178 citations through the PUBMED and 255 citations through EMBASE database search. In all, 13 studies met the inclusion criteria. Firstly, we report an increased mean platelet volume in individuals with obesity compared to non-obese individuals (MD 0.79; [95%CI: 0.42 to 1.16], I2 = 93.4%). Moreover, the reported increase in the MPV was inversely associated with the body mass index (Coefficient: -0.57, standard error (SE): 0.18, p < 0.001) and directly related to changes in triglyceride levels (Coefficient: 4.99, standard error (SE): 1.14, p < 0.001). CONCLUSION This meta-analysis and meta-regression showed an increased MPV in nondiabetic individuals living with obesity. Moreover, the MPV was associated with hypertriglyceridemia, an independent predictor of atherosclerotic cardiovascular disease. Overall, the findings suggest that MPV may be a valuable rapid marker for the monitoring and risk-stratification of individuals with obesity who may be at risk of developing cardiovascular disease.
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Affiliation(s)
- Bongani Brian Nkambule
- School of Laboratory Medicine and Medical Sciences (SLMMS), College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban, 4000 South Africa
| | - Vuyolwethu Mxinwa
- School of Laboratory Medicine and Medical Sciences (SLMMS), College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban, 4000 South Africa
| | - Tawanda Maurice Nyambuya
- School of Laboratory Medicine and Medical Sciences (SLMMS), College of Health Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban, 4000 South Africa
- Department of Health Sciences, Faculty of Health and Applied Sciences, Namibia University of Science and Technology, Windhoek, Namibia
| | - Phiwayinkosi Vusi Dludla
- Biomedical Research and Innovation Platform (BRIP), Medical Research Council (MRC), Tygerberg, Cape Town, South Africa
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Ogresta D, Mrzljak A, Cigrovski Berkovic M, Bilic-Curcic I, Stojsavljevic-Shapeski S, Virovic-Jukic L. Coagulation and Endothelial Dysfunction Associated with NAFLD: Current Status and Therapeutic Implications. J Clin Transl Hepatol 2022; 10:339-355. [PMID: 35528987 PMCID: PMC9039716 DOI: 10.14218/jcth.2021.00268] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 09/24/2021] [Accepted: 10/08/2021] [Indexed: 02/07/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is closely related to insulin resistance, type 2 diabetes mellitus and obesity. It is considered a multisystem disease and there is a strong association with cardiovascular disease and arterial hypertension, which interfere with changes in the coagulation system. Coagulation disorders are common in patients with hepatic impairment and are dependent on the degree of liver damage. Through a review of the literature, we consider and discuss possible disorders in the coagulation cascade and fibrinolysis, endothelial dysfunction and platelet abnormalities in patients with NAFLD.
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Affiliation(s)
- Doris Ogresta
- Department of Gastroenterology and Hepatology, Sestre Milosrdnice University Hospital Center, Zagreb, Croatia
| | - Anna Mrzljak
- Department of Gastroenterology and Hepatology, University Hospital Center Zagreb, Zagreb, Croatia
- Department of Medicine, University of Zagreb, School of Medicine, Zagreb, Croatia
| | - Maja Cigrovski Berkovic
- Department for Endocrinology, Diabetes and Pharmacology, University Hospital Dubrava, Zagreb, Croatia
- Department of Kinesiological Anthropology and Methodology, Faculty of Kinesiology, University of Zagreb
- Department of Pharmacology, Faculty of Medicine, University of JJ Strossmayer, Osijek, Croatia
| | - Ines Bilic-Curcic
- Department of Pharmacology, Faculty of Medicine, University of JJ Strossmayer, Osijek, Croatia
- Department of Diabetes, Endocrinology and Metabolism Disorders, University Hospital Osijek, Osijek, Croatia
| | | | - Lucija Virovic-Jukic
- Department of Gastroenterology and Hepatology, Sestre Milosrdnice University Hospital Center, Zagreb, Croatia
- Department of Medicine, University of Zagreb, School of Medicine, Zagreb, Croatia
- Correspondence to: Lucija Virović-Jukić, University of Zagreb School of Medicine, Department of Medicine; Department of Gastroenterology and Hepatology, Sestre Milosrdnice University Hospital Center, Vinogradska cesta 29, Zagreb 10000, Croatia. ORCID: https://orcid.org/0000-0002-6350-317X. Tel: +385-1-3787178, Fax: +385-1-3787448, E-mail:
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Tao X, Chen L, Zhao Y, Liu Y, Shi R, Jiang B, Mi Y, Xu L. A Novel Noninvasive Diagnostic Model of HBV-Related Inflammation in Chronic Hepatitis B Virus Infection Patients With Concurrent Nonalcoholic Fatty Liver Disease. Front Med (Lausanne) 2022; 9:862879. [PMID: 35402467 PMCID: PMC8984271 DOI: 10.3389/fmed.2022.862879] [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: 01/26/2022] [Accepted: 02/14/2022] [Indexed: 11/13/2022] Open
Abstract
Background and AimsPatients with chronic hepatitis B virus infection (CBI) with concurrent nonalcoholic fatty liver disease (NAFLD) is becoming increasingly common in clinical practice, and it is quite important to identify the etiology when hepatitis occurs. A noninvasive diagnostic model was constructed to identify patients who need antihepatitis B virus (HBV) therapies [histologic activity index (HAI) ≥ 4] in patients with CBI with concurrent NAFLD by analyzing clinical routine parameters.Approach and ResultsIn total, 303 out of 502 patients with CBI with concurrent NAFLD proven by liver biopsy from January 2017 to December 2020 in the Tianjin Second People's Hospital were enrolled and they were divided into the HBV-related inflammation (HBV-I) group (HAI ≥ 4,176 cases) and the non-HBV-I group (HAI < 4,127 cases) according to hepatic pathology. The univariate analysis and multivariate logistic regression analysis were performed on the two groups of patients, and then the HBV-I model of patients with CBI with concurrent NAFLD was constructed. The areas under receiver operating characteristic curves (AUROCs) were used to evaluate the parameters of the regression formula. Another 115 patients with CBI with concurrent NAFLD proven by liver biopsy from January 2021 to January 2022 were enrolled as the validation group. There were some statistical differences in demographic data, biochemical indicators, immune function, thyroid function, virology indicator, and blood routine indicators between the two groups (P < 0.05) and liver stiffness measurement (LSM) in the HBV-I group was significantly higher than those in the non-HBV-I group (P < 0.05). While controlled attenuation parameters (CAP) in the HBV-I group were lower than those in the non-HBV-I group (P < 0.05); (2) We developed a novel model by logistic regression analysis: HBV-I = −0.020 × CAP + 0.424 × LSM + 0.376 × lg (HBV DNA) + 0.049 × aspartate aminotransferase (AST) and the accuracy rate was 82.5%. The area under the receiver operating characteristic (AUROC) is 0.907, the cutoff value is 0.671, the sensitivity is 89.30%, the specificity is 77.80%, the positive predictive value is 90.34%, and the negative predictive value is 81.89%; (3) The AUROC of HBV-I in the validation group was 0.871 and the overall accuracy rate is 86.96%.ConclusionOur novel model HBV-I [combining CAP, LSM, lg (HBV DNA), and AST] shows promising utility for predicting HBV-I in patients with CBI with concurrent NAFLD with high sensitivity, accuracy, and repeatability, which may contribute to clinical application.
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Affiliation(s)
- Xuemei Tao
- Clinical School of the Second People's Hospital, Tianjin Medical University, Tianjin, China
- Department of Hepatology, Tianjin Second People's Hospital, Tianjin, China
| | - Lin Chen
- Clinical School of the Second People's Hospital, Tianjin Medical University, Tianjin, China
- Department of Hepatology, Tianjin Second People's Hospital, Tianjin, China
| | - Youfei Zhao
- Clinical School of the Second People's Hospital, Tianjin Medical University, Tianjin, China
- Department of Hepatology, Tianjin Second People's Hospital, Tianjin, China
| | - Yonggang Liu
- Tianjin Research Institute of Liver Diseases, Tianjin, China
| | - Ruifang Shi
- Tianjin Research Institute of Liver Diseases, Tianjin, China
| | - Bei Jiang
- Tianjin Research Institute of Liver Diseases, Tianjin, China
| | - Yuqiang Mi
- Clinical School of the Second People's Hospital, Tianjin Medical University, Tianjin, China
- Department of Hepatology, Tianjin Second People's Hospital, Tianjin, China
- *Correspondence: Yuqiang Mi
| | - Liang Xu
- Clinical School of the Second People's Hospital, Tianjin Medical University, Tianjin, China
- Department of Hepatology, Tianjin Second People's Hospital, Tianjin, China
- Liang Xu
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Yin H, Shi A, Wu J. Platelet-Activating Factor Promotes the Development of Non-Alcoholic Fatty Liver Disease. Diabetes Metab Syndr Obes 2022; 15:2003-2030. [PMID: 35837578 PMCID: PMC9275506 DOI: 10.2147/dmso.s367483] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 06/28/2022] [Indexed: 11/23/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is a multifaceted clinicopathological syndrome characterised by excessive hepatic lipid accumulation that causes steatosis, excluding alcoholic factors. Platelet-activating factor (PAF), a biologically active lipid transmitter, induces platelet activation upon binding to the PAF receptor. Recent studies have found that PAF is associated with gamma-glutamyl transferase, which is an indicator of liver disease. Moreover, PAF can stimulate hepatic lipid synthesis and cause hypertriglyceridaemia. Furthermore, the knockdown of the PAF receptor gene in the animal models of NAFLD helped reduce the inflammatory response, improve glucose homeostasis and delay the development of NAFLD. These findings suggest that PAF is associated with NAFLD development. According to reports, patients with NAFLD or animal models have marked platelet activation abnormalities, mainly manifested as enhanced platelet adhesion and aggregation and altered blood rheology. Pharmacological interventions were accompanied by remission of abnormal platelet activation and significant improvement in liver function and lipids in the animal model of NAFLD. These confirm that platelet activation may accompany a critical importance in NAFLD development and progression. However, how PAFs are involved in the NAFLD signalling pathway needs further investigation. In this paper, we review the relevant literature in recent years and discuss the role played by PAF in NAFLD development. It is important to elucidate the pathogenesis of NAFLD and to find effective interventions for treatment.
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Affiliation(s)
- Hang Yin
- Key Laboratory of Microcosmic Syndrome Differentiation, Yunnan University of Chinese Medicine, Kunming, People’s Republic of China
| | - Anhua Shi
- Key Laboratory of Microcosmic Syndrome Differentiation, Yunnan University of Chinese Medicine, Kunming, People’s Republic of China
| | - Junzi Wu
- Key Laboratory of Microcosmic Syndrome Differentiation, Yunnan University of Chinese Medicine, Kunming, People’s Republic of China
- Correspondence: Junzi Wu; Anhua Shi, Key Laboratory of Microcosmic Syndrome Differentiation, Yunnan University of Chinese Medicine, Kunming, People’s Republic of China, Tel/Fax +86 187 8855 7524; +86 138 8885 0813, Email ;
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Abeles RD, Mullish BH, Forlano R, Kimhofer T, Adler M, Tzallas A, Giannakeas N, Yee M, Mayet J, Goldin RD, Thursz MR, Manousou P. Derivation and validation of a cardiovascular risk score for prediction of major acute cardiovascular events in non-alcoholic fatty liver disease; the importance of an elevated mean platelet volume. Aliment Pharmacol Ther 2019; 49:1077-1085. [PMID: 30836450 PMCID: PMC6519040 DOI: 10.1111/apt.15192] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 10/24/2018] [Accepted: 01/23/2019] [Indexed: 12/12/2022]
Abstract
BACKGROUND Atherosclerotic cardiovascular disease is a key cause of morbidity in non-alcoholic fatty liver disease (NAFLD) but appropriate means to predict major acute cardiovascular events (MACE) are lacking. AIM To design a bespoke cardiovascular risk score in NAFLD. METHODS A retrospective derivation (2008-2016, 356 patients) and a prospective validation (2016- 2017, 111 patients) NAFLD cohort study was performed. Clinical and biochemical data were recorded at enrolment and mean platelet volume (MPV), Qrisk2 and Framingham scores were recorded one year prior to MACE (Cardiovascular death, acute coronary syndrome, stroke and transient ischaemic attack). RESULTS The derivation and validation cohorts were well-matched, with MACE prevalence 12.6% and 12%, respectively. On univariate analysis, age, diabetes, advanced fibrosis, collagen proportionate area >5%, MPV and liver stiffness were associated with MACE. After multivariate analysis, age, diabetes and MPV remained independently predictive of MACE. The "NAFLD CV-risk score" was generated using binary logistic regression: 0.06*(Age) + 0.963*(MPV) + 0.26*(DM1 ) - 16.44; 1 Diabetes mellitus: 1: present; 2: absent. (AUROC 0.84). A cut-off of -3.98 gave a sensitivity 97%, specificity 27%, PPV 16%, and NPV 99%. An MPV alone of >10.05 gave a sensitivity 97%, specificity 59%, PPV 24% and NPV 97% (AUROC 0.83). Validation cohort AUROCs were comparable at 0.77 (NAFLD CV-risk) and 0.72 (MPV). In the full cohort, the NAFLD CV-risk score and MPV outperformed both Qrisk2 and Framingham scores. CONCLUSIONS The NAFLD CV risk score and MPV accurately predict 1-year risk of MACE, thereby allowing better identification of patients that require optimisation of their cardiovascular risk profile.
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Affiliation(s)
- Robin D. Abeles
- Liver Unit/ Division of Integrative Systems Medicine and Digestive Disease, Department of Surgery and CancerSt Mary’s Hospital Campus, Imperial College LondonLondonUK
| | - Benjamin H. Mullish
- Liver Unit/ Division of Integrative Systems Medicine and Digestive Disease, Department of Surgery and CancerSt Mary’s Hospital Campus, Imperial College LondonLondonUK
| | - Roberta Forlano
- Liver Unit/ Division of Integrative Systems Medicine and Digestive Disease, Department of Surgery and CancerSt Mary’s Hospital Campus, Imperial College LondonLondonUK
| | - Torben Kimhofer
- Department of Surgery and CancerCentre for Computational and System Medicine, Imperial College LondonLondonUK
| | - Maciej Adler
- Liver Unit/ Division of Integrative Systems Medicine and Digestive Disease, Department of Surgery and CancerSt Mary’s Hospital Campus, Imperial College LondonLondonUK
| | - Alexandros Tzallas
- Department of Computer Engineering, School of Applied TechnologyTechnological Educational Institute of EpirusArtaGreece
| | - Nikolaos Giannakeas
- Department of Computer Engineering, School of Applied TechnologyTechnological Educational Institute of EpirusArtaGreece
| | - Michael Yee
- Department of EndocrinologySt Mary’s Hospital, Imperial College Healthcare NHS TrustLondonUK
| | - Jamil Mayet
- National Heart and Lung Institute, Hammersmith Hospital, Imperial College LondonLondonUK
| | - Robert D. Goldin
- Department of Cellular PathologySt Mary’s Hospital, Imperial College Healthcare NHS TrustLondonUK
| | - Mark R. Thursz
- Liver Unit/ Division of Integrative Systems Medicine and Digestive Disease, Department of Surgery and CancerSt Mary’s Hospital Campus, Imperial College LondonLondonUK
| | - Pinelopi Manousou
- Liver Unit/ Division of Integrative Systems Medicine and Digestive Disease, Department of Surgery and CancerSt Mary’s Hospital Campus, Imperial College LondonLondonUK
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Erdem MG, Çil EÖ, Tükek T, Helvacı ŞA. Evaluation of platelet and mean platelet volume levels in patients with liver cirrhosis. ARCHIVES OF CLINICAL AND EXPERIMENTAL MEDICINE 2018. [DOI: 10.25000/acem.390029] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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8
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Morange PE, Alessi MC. Thrombosis in central obesity and metabolic syndrome: Mechanisms and epidemiology. Thromb Haemost 2017; 110:669-80. [DOI: 10.1160/th13-01-0075] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2013] [Accepted: 04/20/2013] [Indexed: 12/19/2022]
Abstract
summaryCentral obesity is a key feature of the metabolic syndrome (metS), a multiplex risk factor for subsequent development of type 2 diabetes and cardiovascular disease. Many metabolic alterations closely related to this condition exert effects on platelets and vascular cells. A procoagulant and hypofibrinolytic state has been identified, mainly underlain by inflammation, oxidative stress, dyslipidaemia, and ectopic fat that accompany central obesity. In support of these data, central obesity independently predisposes not only to atherothrombosis but also to venous thrombosis.
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Comparison of atherogenic risk factors among poorly controlled and well-controlled adolescent phenylketonuria patients. Cardiol Young 2016; 26:901-8. [PMID: 26278115 DOI: 10.1017/s104795111500150x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
BACKGROUND Previous studies investigating the known risk factors of atherosclerosis in phenylketonuria patients have shown conflicting results. The primary aim of our study was to investigate the serum atherogenic markers in adolescent classical phenylketonuria patients and compare these parameters with healthy peers. The secondary aim was to compare these atherogenic markers in well-controlled and poorly controlled patients. METHODS A total of 59 patients (median age: 12.6 years, range: 11-17 years) and 44 healthy controls (median age: 12.0 years, range: 11-15 years) were enrolled in our study. Phenylketonuria patients were divided into two groups: well-controlled (serum phenylalanine levels below 360 µmol/L; 24 patients) and poorly controlled patients (serum phenylalanine levels higher than 360 µmol/L). RESULTS The mean high-density lipoprotein cholesterol levels of well-controlled patients (1.0±0.2 mmol/L) were significantly lower compared with poorly controlled patients and controls (1.1±0.2 mmol/L, p=0.011 and 1.4±0.2 mmol/L, p<0.001, respectively). Poorly controlled patients had lower high-density lipoprotein cholesterol levels than healthy controls (p=0.003). Homocysteine levels of both well-controlled (9.8±6.4 µmol/L) and poorly controlled (9.2±5.6 µmol/L) patients were higher compared with controls (5.8±1.8 µmol/L, p<0.01). The mean platelet volume of well-controlled patients (9.5±1.1 fL) was higher than that of poorly controlled patients and controls (8.9±0.8 fL, p=0.024 and 7.7±0.6 fL, p<0.001, respectively). CONCLUSION Lower high-density lipoprotein cholesterol and higher homocysteine and mean platelet volume levels were detected in phenylketonuria patients. In particular, these changes were more prominent in well-controlled patients. We conclude that phenylketonuria patients might be at risk for atherosclerosis, and therefore screening for atherosclerotic risk factors should be included in the phenylketonuria therapy and follow-up in addition to other parameters.
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Li L, Xie W, Zheng XL, Yin WD, Tang CK. A novel peptide adropin in cardiovascular diseases. Clin Chim Acta 2016; 453:107-13. [DOI: 10.1016/j.cca.2015.12.010] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Revised: 12/05/2015] [Accepted: 12/08/2015] [Indexed: 12/16/2022]
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Neutrophil/lymphocyte ratio in obese adolescents. North Clin Istanb 2015; 2:87-91. [PMID: 28058347 PMCID: PMC5175101 DOI: 10.14744/nci.2015.25238] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2014] [Accepted: 05/18/2015] [Indexed: 12/24/2022] Open
Abstract
OBJECTIVE Obesity is a growing health problem in most of the developed countries. It is associated with many chronic diseases, affecting particularly endocrine and cardiovascular systems. Inflammation plays a key role in pathophysiology of obesity. In this study, we aimed to investigate the inflammation status in obese children using neutrophil/lymphocyte ratio. METHODS In this study 130 obese and 57 healthy children were assessed retrospectively. According to Centers for Disease Control 2000 (CDC) BMI percentiles for childhood and adulthood, 85-95 percentile was considered as overweight and >95 percentile as obese. RESULTS Lymphocyte/neutrophil ratios in the obese group were significantly higher compared to those in healthy controls (p=0.03 and p=0.045, respectively). Neutrophil/lymphocyte ratio and CRP level in the obese group were significantly higher compared to those in healthy controls (p=0.02 and p=0.00, respectively). Thrombocyte/lymphocyte ratios were not significantly different between two groups (p=0.156). CONCLUSION It is possible that childhood obesity which has been increasingly prevalent recently triggers the pathogenesis of atherosclerosis during the early years of life. Increased neutrophil/lymphocyte ratio might be associated with the severity of inflammation which plays a role in the early stages of atherosclerosis. Therefore, taking childhood obesity under control using diet and other treatment methods will prevent mortality and morbidity in the elderly.
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12
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Kei A, Elisaf M. Nicotinic acid/laropiprant reduces platelet count but increases mean platelet volume in patients with primary dyslipidemia. Arch Med Sci 2014; 10:439-44. [PMID: 25097572 PMCID: PMC4107250 DOI: 10.5114/aoms.2014.43738] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2011] [Revised: 09/14/2011] [Accepted: 09/25/2011] [Indexed: 12/15/2022] Open
Abstract
INTRODUCTION Nicotinic acid (NA) has been associated with reduced cardiovascular morbidity and mortality. Of note, beyond its lipid-modifying actions, NA possesses a number of not yet thoroughly defined pleiotropic actions including anti-inflammatory and antithrombotic effects. As a growing body of evidence points towards mean platelet volume (MPV) and platelet distribution width (PDW) as independent risk factors for cardiovascular disease, it would be interesting to evaluate the effect of NA on these platelet indices. MATERIAL AND METHODS We recruited 50 consecutive patients with dyslipidemia who were treated with a conventional statin dose (10-40 mg simvastatin or 10-20 mg atorvastatin or 5-20 mg rosuvastatin) and had not achieved the low-density lipoprotein cholesterol (LDL-C) or non-high-density lipoprotein cholesterol (non-HDL-C) goal. Add-on-statin treatment with extended release (ER) NA/laropiprant (1,000/20 mg/day for the first 4 weeks followed by 2,000/40 mg/day for the next 8 weeks) was given to all patients for 3 months. RESULTS The ER-NA/laropiprant resulted in a 20% reduction in platelet count (from 277,150/µl (min: 163,000/µl - max: 223,400/µl) to 220,480/µl (min: 141,000/µl - max: 319,000/µl), p < 0.001), while it increased MPV by 3.5% (from 11.4 fl (min: 9.2 fl - max: 13.6 fl) to 11.8 fl (min: 9.5 fl - max: 14.1 fl), p = 0.01), without affecting PDW significantly (from 14.6 fl (min: 10.5 fl - max: 19.3 fl) to 14.5 fl (min: 11 fl - max: 21.1 fl), p = NS). CONCLUSIONS The NA is associated with reduced platelet count but with increased MPV, thereby raising questions regarding NA's antithrombotic and vasculoprotective properties.
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Affiliation(s)
- Anastazia Kei
- Department of Internal Medicine, School of Medicine, University of Ioannina, Ioannina, Greece
| | - Moses Elisaf
- Department of Internal Medicine, School of Medicine, University of Ioannina, Ioannina, Greece
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Sayın O, Tokgöz Y, Arslan N. Investigation of adropin and leptin levels in pediatric obesity-related nonalcoholic fatty liver disease. J Pediatr Endocrinol Metab 2014; 27:479-84. [PMID: 24468600 DOI: 10.1515/jpem-2013-0296] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2013] [Accepted: 12/16/2013] [Indexed: 11/15/2022]
Abstract
AIM Nonalcoholic fatty liver disease (NAFLD) is the accumulation of excess fat in the liver in the absence of alcohol consumption, which is commonly associated with obesity and increased risk of atherosclerosis as well as insulin resistance. Adropin is a recently identified protein encoded by the gene related with energy homeostasis, which is expressed in the liver and the brain and has a role in preventing insulin resistance and obesity. The aim of this study was to investigate the serum adropin and leptin levels in obese adolescents and compare the patients with, and without, NAFLD and with healthy controls. METHODS Sixty-four obese adolescents (30 with NAFLD, 34 without NAFLD) and 36 healthy controls were enrolled in the study. Serum adropin and leptin levels were evaluated by sandwich enzyme-linked immunosorbent assay. RESULTS Serum adropin levels were significantly lower in obese children than healthy controls (3.2±1.0 and 9.2±1.2 ng/mL, respectively, p=0.001). Serum leptin levels were significantly higher in patients than in controls (12.4±1.1 and 4.1±3.1 pg/mL, respectively; p=0.000). Serum adropin levels of patients with NAFLD were significantly lower than in patients without NAFLD (2.9±0.5 and 3.5±1.2 ng/mL, respectively; p=0.023) and healthy controls (p=0.000). Logistic regression analysis showed that a decrease in adropin levels was the only independent factor for fatty liver disease in obese adolescents (odds ratio: 3.07, 95% confidence interval 1.14-8.2, p=0.026). Leptin, relative weight and HOMA-IR of the patients were not independent risk factors for NAFLD. CONCLUSIONS In this study, serum adropin levels were significantly lower in obese adolescents with fatty liver disease compared to patients without fatty liver disease and healthy controls. Lower adropin level was an independent risk factor for NAFLD in obese adolescents in logistic regression analysis. Assessment of serum adropin concentrations may provide a reliable indicator of fatty liver disease in obese adolescents.
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Yorbik O, Mutlu C, Tanju IA, Celik D, Ozcan O. Mean platelet volume in children with attention deficit hyperactivity disorder. Med Hypotheses 2014; 82:341-5. [DOI: 10.1016/j.mehy.2014.01.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2013] [Revised: 12/15/2013] [Accepted: 01/03/2014] [Indexed: 12/22/2022]
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Arslan N, Makay B, Hızlı Ş, Koçyiğit A, Demircioğlu F, Tuncel AS, Çakmakçı H. Assessment of atherosclerosis in obese adolescents: positive correlation of mean platelet volume and carotid intima media thickness. J Paediatr Child Health 2013; 49:963-968. [PMID: 23782071 DOI: 10.1111/jpc.12301] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/28/2013] [Indexed: 01/21/2023]
Abstract
AIMS This study aims to assess the correlation of mean platelet volume (MPV) and common carotid artery (CCA) thickness in a population of obese adolescents. METHODS Sixty-eight patients and 23 controls were enrolled. Anthropometric measurements, triglyceride, total cholesterol, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, alanine aminotransferase, aspartate aminotransferase, γ-glutamyl transpeptidase, hemoglobin, white blood cell count, platelet count, MPV and insulin resistance by homeostasis model of assessment of insulin resistance were investigated. Furthermore, CCA thickness was measured by high-resolution ultrasound. RESULTS MPV and the left CCA thickness were significantly higher in obese adolescents than the healthy controls. The association between MPV and left CCA was checked by linear regression analysis. MPV explained 19% of the variation in left CCA (P < 0.001). At multiple regression analysis, MPV maintained a positive association with the left CCA thickness (P = 0.002) independently of fatty liver grade, relative weight, total cholesterol and homeostasis model of assessment of insulin resistance. CONCLUSION MPV is significantly correlated with CCA thickness in obese adolescents.
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Affiliation(s)
- Nur Arslan
- Department of Pediatrics, Dokuz Eylul University Hospital, Izmir, Turkey
| | - Balahan Makay
- Department of Pediatrics, Dokuz Eylul University Hospital, Izmir, Turkey
| | - Şamil Hızlı
- Department of Pediatrics, Dokuz Eylul University Hospital, Izmir, Turkey
| | - Ali Koçyiğit
- Department of Radiology, Dokuz Eylul University Hospital, Izmir, Turkey
| | - Fatih Demircioğlu
- Department of Pediatrics, Dokuz Eylul University Hospital, Izmir, Turkey
| | | | - Handan Çakmakçı
- Department of Radiology, Dokuz Eylul University Hospital, Izmir, Turkey
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Yolcu S, Beceren GN, Tomruk Ö, Doguç DK, Balbaloglu O. Can mean platelet volume levels of trauma patients predict severity of trauma? Platelets 2013; 25:279-84. [PMID: 23855431 DOI: 10.3109/09537104.2013.809410] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract In this study, we aimed to evaluate the mean platelet voulme (MPV) levels of trauma patients who were admitted to our emergency department. Of the total 232 trauma patients, 40 females and 192 males over the age of 18 years were included in this study. Of them, 102 patients were mild trauma [Glasgow Coma Scale (GCS) 15-13)], 40 patients were moderate (GCS 12-9) and 90 patients were severe trauma (GCS 8-3) patients. We also calculated the Revised Trauma Score (RTS) of the patients. MPV levels were evaluated with GCS and RTS values. The control group was constituted of 100 healthy adults. Mean initial MPV value of GCS 15-13 patients was 8.25 fL, 8.25 fL in GCS 12-9 patients and 8.47 fL, in GCS 8-3 patients. Trauma severity was significantly related with initial MPV (iMPV) levels (p<0.05), initial Hb (iHb) levels (p<0.05), initial white blood count (iWBC) (p<0.05) and initial platelet (iPlt) levels (p<0.05). Severity of trauma was related with control MPV (kMPV) levels (p<0.05), control Hb (kHb) (p<0.05), control WBC (kWBC) (p<0.05), control Plt (kPlt) levels (p<0.05). MPV levels (p<0.05), Hb levels (p<0.05), WBC levels (p<0.05), Plt levels (p<0.05) were significantly different between trauma group and healthy group. IMPV and control kMPV levels were not related (p=0.149). But kHb - iHb levels (p<0.05), kWBC - iWBC levels (p<0.05), kPlt - iPlt levels (p<0.05), kGCS - iiGCS (p<0.05) were related to each other. We found a correlation between iMPV and iWBC levels (p<0.05, r=-0.342). Similarly, there was a correlation between severity of trauma and iMPV level (p<0.05, r=-0.224). We determined a significant correlation between iMPV and iPlt levels (p<0.05, r=-0.246). There was not a correlation between kMPV and kWBC (p>0.05, r=0.124). kMPV and kPlt levels (p<0.05, r=-0.174) were correlated. RTS was statistically related with GCS (p<0.05). Similarly, RTS was related with iMPV (p<0.05), iWBC(p<0.05) and iPlt (p<0.05) values, but there was not a relation with iHb (p>0.05). We found correlations between iMPV- trauma severity (p<0.05, r=-0.224), iMPV - RTS (p<0.05, r=0.134), iMPV - iWBC (p<0.05 r=-0.342), iMPV - iPlt (p<0.05, r=-0.246). Control RTS (seventh day of hospitalization) values were not related to kMPV (p>0.05), kHB (p>0.05), kWBC (p>0.05) and kPlt(p>0.05). There was a correlation between kRTS and kMPV (p<0.05, r=-0.169). Similarly, kMPV - kHb (p<0.05, r=-0.141), kMPV - kPlt (p<0.05, r=-0.174) were correlated. KMPV and kPlt were not correlated (p<0.05, r=0.124). Initial RTS and seventh day RTS values were significantly different (p<0.05). MPV may be helpful for emergency physicians for predicting the severity of trauma.
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Affiliation(s)
- Sadiye Yolcu
- Department of Emergency Medicine, Bozok University , Yozgat , Turkey
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Balbaloglu O, Korkmaz M, Yolcu S, Karaaslan F, Beceren NGÇ. Evaluation of mean platelet volume (MPV) levels in patients with synovitis associated with knee osteoarthritis. Platelets 2013; 25:81-5. [DOI: 10.3109/09537104.2013.776162] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Arslan N, Tokgoz Y, Kume T, Bulbul M, Sayın O, Harmancı D, Akdogan GG. Evaluation of serum neopterin levels and its relationship with adipokines in pediatric obesity-related nonalcoholic fatty liver disease and healthy adolescents. J Pediatr Endocrinol Metab 2013; 26:1141-7. [PMID: 23740679 DOI: 10.1515/jpem-2013-0029] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2013] [Accepted: 05/03/2013] [Indexed: 12/11/2022]
Abstract
AIM Nonalcoholic fatty liver disease (NAFLD) is associated with inflammation and increased risk of atherosclerosis. Neopterin is regarded as a biochemical marker of cell-mediated immunity, which is secreted by monocytes and macrophages, mainly in response to interferon-gamma. The aim of the present study was to investigate the serum neopterin levels in obese adolescents and compare the neopterin levels in patients with and without NAFLD and also with healthy controls. The second aim of the study was to research the possible relationship between neopterin levels and adipokines (leptin, adiponectin, resistin, and ghrelin). METHODS Ninety-three obese adolescents (39 with NAFLD, 54 without NAFLD) and 55 healthy controls were enrolled in the study. Serum levels of neopterin and adipokines were measured with high-performance liquid chromatography and sandwich enzyme-linked immunosorbent assay, respectively. RESULTS Serum neopterin levels were significantly higher in patients with NAFLD (3.20 ± 0.09 nmol/L) than in their healthy peers (2.91 ± 0.08 nmol/L) (p=0.020). Neopterin levels were positively correlated with leptin levels in obese patients (r=0.380, p<0.001) and in the group comprising all individuals (r=0.206, p<0.05). There was no correlation between neopterin concentrations and relative weight, alanin aminotransferase, adiponectin, resistin, and ghrelin levels. CONCLUSION The serum neopterin levels were significantly higher in obese adolescents with fatty liver disease compared to controls, and this may be related to increased cell-mediated immunity in fatty liver disease.
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Cho SY, Yang JJ, You E, Kim BH, Shim J, Lee HJ, Lee WI, Suh JT, Park TS. Mean platelet volume/platelet count ratio in hepatocellular carcinoma. Platelets 2012; 24:375-7. [PMID: 22835043 DOI: 10.3109/09537104.2012.701028] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Mean platelet volume (MPV) has been actively investigated in liver disease such as steatosis, cirrhosis and hepatitis. Recently, MPV/platelet count (PC) ratio has been proposed as a predictor of long-term mortality after myocardial infarction. As PC is known to be decreased in various liver diseases such as cirrhosis, hepatosplenomegaly and malignancy, we planned to evaluate MPV/PC ratio in patients with hepatocellular carcinoma (HCC) in this study. Mean of MPV levels showed significant difference, which were 8.69 fl (range 6.7-12.2 fl) in patients group and 8.02 fl in control group (range 6.7-11.0 fl). In receiver operating characteristic (ROC) curve analysis, the MPV/PC ratio (fl/(10(9)/l)) presented 74.5% of sensitivity and 96.5% of specificity at the criterion > 0.0491 (area under the curve (AUC) = 0.884), while MPV alone showed 57.4% of sensitivity and 81.4% of specificity at the criterion > 8.4 fl. Further studies should evaluate underlying pathogenic mechanisms of MPV/PC ratio difference and various possibilities of this ratio as an indicator of presence of a tumor in HCC.
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Affiliation(s)
- Sun Young Cho
- Department of Laboratory Medicine, School of Medicine, Kyung Hee University, Seoul, Korea
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Roupakias S, Mitsakou P. Surgical morbidity in obese children. Asian J Surg 2012; 35:99-103. [DOI: 10.1016/j.asjsur.2012.06.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2011] [Revised: 04/18/2012] [Accepted: 05/31/2012] [Indexed: 12/22/2022] Open
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Kang SJ, Park BJ, Shim JY, Lee HR, Hong JM, Lee YJ. Mean platelet volume (MPV) is associated with leukoaraiosis in the apparently healthy elderly. Arch Gerontol Geriatr 2012; 54:e118-21. [DOI: 10.1016/j.archger.2011.10.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2011] [Revised: 10/19/2011] [Accepted: 10/20/2011] [Indexed: 10/15/2022]
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Abstract
Obesity is associated with increased cardiovascular disease. Metabolic syndrome (MS) identifies substantial additional cardiovascular risk beyond the individual risk factors, and is a powerful predictor of cardiovascular events even regardless of body mass index, thus suggesting a common downstream pathway conferring increased cardiovascular risk. Platelet hyper-reactivity/activation plays a central role to accelerate atherothrombosis and is the result of the interaction among the features clustering in obesity and MS: insulin resistance, inflammation, oxidative stress, endothelial dysfunction. Interestingly, the same pathogenic events largely account for the less-than-expected response to antiplatelet agents, namely low-dose aspirin. The proposed explanations for this phenomenon, besides underdosing of drug and/or reduced bioavailability, subsequent to excess of adipose tissue, include enhanced platelet turnover, leading to unacetylated COX-1 and COX-2 in newly formed platelets as a source of aspirin-escaping thromboxane formation; extraplatelet sources of thromboxane, driven by inflammatory triggers; and enhanced lipid peroxidation, activating platelets with a mechanism bypassing COX-1 acetylation or limiting COX-isozyme acetylation by aspirin. This review will address the complex interactions between platelets and the pathogenic events occurring in obesity and MS, trying to translate this body of mechanistic information into a clinically relevant read-out, in order to establish novel strategies in the prevention/treatment of atherothrombosis.
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Affiliation(s)
- F Santilli
- Internal Medicine and Center of Excellence on Aging, G. D'Annunzio University of Chieti, Chieti, Italy
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Pini M, Rhodes DH, Fantuzzi G. Hematological and acute-phase responses to diet-induced obesity in IL-6 KO mice. Cytokine 2011; 56:708-16. [PMID: 21996012 DOI: 10.1016/j.cyto.2011.09.015] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2011] [Revised: 09/06/2011] [Accepted: 09/19/2011] [Indexed: 02/08/2023]
Abstract
Obesity is associated with chronic inflammation and elevated levels of IL-6. The role of IL-6 in induction of acute-phase proteins and modulation of hematological responses has been demonstrated in models of inflammation and aging, but not in obesity. We hypothesized that IL-6 is necessary to regulate the acute-phase response and hematological changes associated with diet-induced obesity (DIO) in mice. Feeding a 60%kcal/fat diet for 13 weeks to C57BL6 WT male mice induced a significant increase in IL-6 expression in visceral adipose tissue (VAT), but not liver, compared to mice fed chow diet. Significantly elevated IL-6 levels were present in the peritoneal lavage fluid, but not plasma, of DIO compared to lean mice. A comparable degree of obesity, hepatomegaly, hyperleptinemia, VAT inflammation and insulin resistance was observed in DIO WT and IL-6 KO mice compared to WT and KO mice fed chow diet. Significant leukocytosis was observed in DIO WT but not DIO KO mice compared to lean groups. A significant reduction in platelet counts, without alterations in platelet size, percentage of circulating reticulated platelets and number of bone marrow megakaryocytes, was present in DIO KO mice compared to each other group. Hepatic expression of thrombopoietin was comparable in each group, with DIO WT and KO mice having reduced VAT expression compared to lean mice. Lean KO mice had significantly elevated plasma levels of thrombopoietin compared to each other group, whereas liver-associated thrombopoietin levels were comparable in each group. Deficiency of IL-6 resulted in blunted hepatic induction of the acute-phase protein serum amyloid A-1, whereas expression of hepcidin-1 and -2, LPS-binding protein, ceruloplasmin, plasminogen activator inhibitor-1 and thrombospondin-1 was IL-6-independent. In conclusion, in the absence of overt metabolic alterations, IL-6 modulates leukocytosis, thrombopoiesis and induction of SAA-1, but not other acute-phase proteins in obese mice.
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Affiliation(s)
- Maria Pini
- Department of Kinesiology and Nutrition, University of Illinois at Chicago, Chicago, IL 60612, United States
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Alkhouri N, Carter-Kent C, Elias M, Feldstein AE. Atherogenic dyslipidemia and cardiovascular risk in children with nonalcoholic fatty liver disease. CLINICAL LIPIDOLOGY 2011; 6:305-314. [PMID: 22162978 PMCID: PMC3234131 DOI: 10.2217/clp.11.19] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Nonalcoholic fatty liver disease is now regarded as the most common form of chronic liver disease in adults and children. The close association between nonalcoholic fatty liver disease (NAFLD) and the metabolic syndrome has been extensively described. Moreover, a growing body of evidence suggest that NAFLD by itself confers a substantial cardiovascular risk independent of the other components of the metabolic syndrome. Given the significant potential for morbidity and mortality in these patients, and the large proportion of both pediatric and adult population affected, it is important that we clearly define the overall risk, identify early predictors for cardiovascular disease progression, and establish management strategies. In this article, we will focus on current data linking NAFLD and the severity of liver damage present in children with cardiovascular risk.
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Affiliation(s)
- Naim Alkhouri
- Pediatric Gastroenterology, Lerner Research Institute Cleveland Clinic College of Medicine of CWRU, OH, USA
- Department of Pediatric Gastroenterology, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Christine Carter-Kent
- Pediatric Gastroenterology, Lerner Research Institute Cleveland Clinic College of Medicine of CWRU, OH, USA
| | - Michael Elias
- Pediatric Gastroenterology, Lerner Research Institute Cleveland Clinic College of Medicine of CWRU, OH, USA
| | - Ariel E Feldstein
- Pediatric Gastroenterology, Lerner Research Institute Cleveland Clinic College of Medicine of CWRU, OH, USA
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