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Carrera-Bastos P, Fontes-Villalba M, Ahrén B, Lindblad U, Råstam L, Frostegård J, Åkerfeldt T, Granfeldt Y, Sundquist K, Jönsson T. Total adiponectin in indigenous Melanesians on Kitava. Am J Hum Biol 2024:e24134. [PMID: 38989782 DOI: 10.1002/ajhb.24134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 07/01/2024] [Accepted: 07/02/2024] [Indexed: 07/12/2024] Open
Abstract
OBJECTIVES Experimental and small human studies have indicated that high total adiponectin levels have beneficial cardiometabolic effects. In contrast, however, high total adiponectin levels are also associated with higher all-cause and cardiovascular mortality in thoroughly adjusted epidemiological studies. To gain further insight into these seemingly contradictory results, we report results on total adiponectin from the indigenous Melanesian population of Kitava, Trobriand Islands, Papua New Guinea, where an apparent absence of cardiometabolic disease has been previously reported. METHODS Fasting levels of serum total adiponectin were measured cross-sectionally in ≥40-year-old Kitavans (n = 102) and Swedish controls matched for age and sex (n = 108). Multivariable linear regression was used for the analysis of associations with total adiponectin when controlled for group, sex, smoking, hypertension and/or type 2 diabetes, age, and body mass index. RESULTS Total adiponectin was lower for Kitavans compared to Swedish controls (Median [Mdn] 4.6 μg/mL, range 1.0-206 μg/mL and Mdn 9.7 μg/mL, range 3.1-104 μg/mL, respectively, r = .64, p < .001). Lower total adiponectin was associated with Kitavan group, male sex (only in Swedish controls), smoking (only in Kitavans and Swedish controls combined), younger age (not in Swedish controls), higher BMI, lower total, low-density lipoprotein, high-density lipoprotein (HDL) (only in Kitavans and Swedish controls combined), and non-HDL cholesterol, and higher anti-PC IgG (only in Kitavans and Swedish controls combined). CONCLUSION Total adiponectin in Kitavans was significantly lower than in Swedish controls.
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Affiliation(s)
- Pedro Carrera-Bastos
- Center for Primary Health Care Research, Department of Clinical Sciences, Malmö, Lund University, Lund, Sweden
| | - Maelán Fontes-Villalba
- Center for Primary Health Care Research, Department of Clinical Sciences, Malmö, Lund University, Lund, Sweden
| | - Bo Ahrén
- Department of Clinical Sciences, Lund, Lund University, Lund, Sweden
| | - Ulf Lindblad
- School of Public Health and Community Medicine, University of Gothenburg, Göteborg, Sweden
| | - Lennart Råstam
- Department of Clinical Sciences, Malmö, Lund University, Lund, Sweden
| | - Johan Frostegård
- IMM, Karolinska Institute, Unit of Immunology and chronic disease, Stockholm, Sweden
| | - Torbjörn Åkerfeldt
- Department of Medical Sciences, Uppsala University, Uppsala, Sweden
- Uppsala University Hospital, Uppsala, Sweden
| | - Yvonne Granfeldt
- Department of Food Technology, Engineering and Nutrition, Lund, Lund University, Sweden
| | - Kristina Sundquist
- Center for Primary Health Care Research, Department of Clinical Sciences, Malmö, Lund University, Lund, Sweden
- University Clinic Primary Care Skåne, Region Skåne, Sweden
| | - Tommy Jönsson
- Center for Primary Health Care Research, Department of Clinical Sciences, Malmö, Lund University, Lund, Sweden
- University Clinic Primary Care Skåne, Region Skåne, Sweden
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Mallardo M, Daniele A, Musumeci G, Nigro E. A Narrative Review on Adipose Tissue and Overtraining: Shedding Light on the Interplay among Adipokines, Exercise and Overtraining. Int J Mol Sci 2024; 25:4089. [PMID: 38612899 PMCID: PMC11012884 DOI: 10.3390/ijms25074089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 03/30/2024] [Accepted: 04/01/2024] [Indexed: 04/14/2024] Open
Abstract
Lifestyle factors, particularly physical inactivity, are closely linked to the onset of numerous metabolic diseases. Adipose tissue (AT) has been extensively studied for various metabolic diseases such as obesity, type 2 diabetes, and immune system dysregulation due to its role in energy metabolism and regulation of inflammation. Physical activity is increasingly recognized as a powerful non-pharmacological tool for the treatment of various disorders, as it helps to improve metabolic, immune, and inflammatory functions. However, chronic excessive training has been associated with increased inflammatory markers and oxidative stress, so much so that excessive training overload, combined with inadequate recovery, can lead to the development of overtraining syndrome (OTS). OTS negatively impacts an athlete's performance capabilities and significantly affects both physical health and mental well-being. However, diagnosing OTS remains challenging as the contributing factors, signs/symptoms, and underlying maladaptive mechanisms are individualized, sport-specific, and unclear. Therefore, identifying potential biomarkers that could assist in preventing and/or diagnosing OTS is an important objective. In this review, we focus on the possibility that the endocrine functions of AT may have significant implications in the etiopathogenesis of OTS. During physical exercise, AT responds dynamically, undergoing remodeling of endocrine functions that influence the production of adipokines involved in regulating major energy and inflammatory processes. In this scenario, we will discuss exercise about its effects on AT activity and metabolism and its relevance to the prevention and/or development of OTS. Furthermore, we will highlight adipokines as potential markers for diagnosing OTS.
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Affiliation(s)
- Marta Mallardo
- Department of Molecular and Biotechnological Medicine, University of Naples “Federico II”, 80131 Naples, Italy;
- CEINGE-Biotechnologies Advances S.c.a r.l., Via G. Salvatore 486, 80145 Naples, Italy;
| | - Aurora Daniele
- Department of Molecular and Biotechnological Medicine, University of Naples “Federico II”, 80131 Naples, Italy;
- CEINGE-Biotechnologies Advances S.c.a r.l., Via G. Salvatore 486, 80145 Naples, Italy;
| | - Giuseppe Musumeci
- Department of Biomedical and Biotechnological Sciences, Anatomy, Histology and Movement Sciences Section, School of Medicine, University of Catania, Via S. Sofia 87, 95123 Catania, Italy
- Research Center on Motor Activities (CRAM), University of Catania, 95123 Catania, Italy
| | - Ersilia Nigro
- CEINGE-Biotechnologies Advances S.c.a r.l., Via G. Salvatore 486, 80145 Naples, Italy;
- Department of Pharmaceutical, Biological, Environmental Sciences and Technologies, University of Campania “Luigi Vanvitelli”, Via G. Vivaldi 42, 81100 Caserta, Italy
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Hussein M, Saif A, Amin M, Khalafallah O, Hussien A, Aboulsoud S, Mousa S. Plasma Adiponectin and Its Correlation with Carotid Intima-Media Thickness in Obesity and in Type 2 Diabetes and Nonalcoholic Fatty Liver Disease. J Nutr Metab 2023; 2023:6661585. [PMID: 37692464 PMCID: PMC10484655 DOI: 10.1155/2023/6661585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 11/13/2022] [Accepted: 08/05/2023] [Indexed: 09/12/2023] Open
Abstract
Methods and Results The study included 200 Egyptian subjects. They were divided into four equal groups: group 1: obese patients with NAFLD and T2DM (O+/NAFLD+/DM+), group 2: nonobese patients with NAFLD and T2DM (O-/NAFLD+/DM+), group 3: obese nondiabetic patients with NAFLD (O+/NAFLD+/DM-), and group 4: nonobese healthy control subjects. Plasma adiponectin was measured using ELISA (enzyme-linked immunosorbent assay) technique. Ultrasonography was used to diagnose NAFLD. CIMT was assessed using Doppler ultrasonography. Plasma adiponectin was significantly lower and CIMT was significantly higher in O+/NAFLD+/DM+, as compared with O-/NAFLD+/DM+, O+/NAFLD+/DM-, and control subjects (p < 0.001 for all). A significant negative correlation was found between adiponectin and CIMT in obese patients with NAFLD (p < 0.05), but not in patients with NAFLD and T2DM. The significant independent predictors of CIMT were diabetes duration, BMI (body mass index), albumin/creatinine ratio, and cholesterol. Conclusion Plasma adiponectin is inversely correlated with CIMT in obese patients with NAFLD, but not in patients with NAFLD and T2DM. Hypoadiponectinemia could be a good indicator of cardiovascular risk in obese patients with NAFLD, with or without T2DM, but not in nonobese patients with NAFLD.
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Affiliation(s)
- Maha Hussein
- Internal Medicine Department, Cairo University, Giza, Egypt
| | - Aasem Saif
- Internal Medicine Department, Cairo University, Giza, Egypt
| | - Mona Amin
- Internal Medicine Department, Cairo University, Giza, Egypt
| | - Osama Khalafallah
- Clinical and Chemical Pathology Department, Cairo University, Giza, Egypt
| | - Ahmed Hussien
- Internal Medicine Department, Cairo University, Giza, Egypt
| | | | - Shrook Mousa
- Internal Medicine Department, Cairo University, Giza, Egypt
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4
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Than WH, Chan GCK, Kwan BCH, Lai KB, Chan RCK, Teoh JYC, Ng JKC, Fung WWS, Chow KM, Cheng PMS, Law MC, Li PKT, Szeto CC. Circulating and Adipose Tissue Adiponectin Level and Outcomes in Incident Peritoneal Dialysis Patients. Kidney Med 2022; 5:100589. [PMID: 36793851 PMCID: PMC9922972 DOI: 10.1016/j.xkme.2022.100589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Rationale & Objective Cardiovascular disease is the major cause of mortality and morbidity in peritoneal dialysis (PD) patients. Adiponectin, a key adipokine, is related to obesity and insulin resistance. We determined the clinical and prognostic value of plasma adiponectin level and its adipose tissue messenger RNA (mRNA) expression in new PD patients. Study Design Retrospective analysis of a prospective observational study. Setting & Participants 152 new PD patients from a single center; 6 adults undergoing abdominal surgeries without kidney disease served as controls. Predictors Plasma adiponectin level and its adipose tissue mRNA expression. Outcomes Body build and composition, patient and technique survival. Analytical Approach Adiponectin level and mRNA expression were grouped in quartiles for correlation analysis for body build and Cox regression for survival analysis. Results The median plasma adiponectin level was 31.98 μg/mL (IQR, 16.81-49.49 μg/mL), and adiponectin mRNA expression in adipose tissue was 1.65 times higher than in controls (IQR, 0.98-2.63). There was a modest but statistically significant correlation between plasma adiponectin and its adipose tissue mRNA expression (r = 0.40, P < 0.001). Plasma adiponectin level inversely correlated with body mass index, waist-hip ratio, mid-arm circumference, adipose tissue mass, plasma triglyceride (r = -0.39, -0.38, -0.41, -0.38, and -0.30, respectively; P < 0.001 for all), as well as serum insulin level (r = -0.24, P = 0.005). Similar correlations were present but less marked with adipose tissue adiponectin mRNA level. Neither plasma adiponectin level nor adipose tissue adiponectin mRNA level predicted patient or technique survival. Limitations Observational study, single center, single baseline measurement. Conclusions Plasma adiponectin level correlated with the degree of adiposity in new PD patients. However, neither plasma adiponectin level nor its adipose tissue mRNA expression was an independent prognostic indicator in kidney failure patients newly started on PD.
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Affiliation(s)
- Win Hlaing Than
- Carol & Richard Yu Peritoneal Dialysis Research Centre, Department of Medicine & Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, China,Li Ka Shing Institute of Health Sciences (LiHS), Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Gordon Chun-Kau Chan
- Carol & Richard Yu Peritoneal Dialysis Research Centre, Department of Medicine & Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Bonnie Ching-Ha Kwan
- Carol & Richard Yu Peritoneal Dialysis Research Centre, Department of Medicine & Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Ka-Bik Lai
- Carol & Richard Yu Peritoneal Dialysis Research Centre, Department of Medicine & Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Ronald Cheong-Kin Chan
- Department of Anatomical & Cellular Pathology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Jeromy Yuen Chun Teoh
- Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Jack Kit-Chung Ng
- Carol & Richard Yu Peritoneal Dialysis Research Centre, Department of Medicine & Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Winston Wing-Shing Fung
- Carol & Richard Yu Peritoneal Dialysis Research Centre, Department of Medicine & Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Kai-Ming Chow
- Carol & Richard Yu Peritoneal Dialysis Research Centre, Department of Medicine & Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Phyllis Mei-Shan Cheng
- Carol & Richard Yu Peritoneal Dialysis Research Centre, Department of Medicine & Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Man-Ching Law
- Carol & Richard Yu Peritoneal Dialysis Research Centre, Department of Medicine & Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Philip Kam-Tao Li
- Carol & Richard Yu Peritoneal Dialysis Research Centre, Department of Medicine & Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Cheuk-Chun Szeto
- Carol & Richard Yu Peritoneal Dialysis Research Centre, Department of Medicine & Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, China,Li Ka Shing Institute of Health Sciences (LiHS), Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, China,Address for Correspondence: Cheuk-Chun Szeto, Department of Medicine & Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China.
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Alkaabi J, Sharma C, Yasin J, Afandi B, Beshyah SA, Almazrouei R, Alkaabi A, Al Hamad S, Ahmed LA, Beiram R, Aburawi EH. Relationship between lipid profile, inflammatory and endothelial dysfunction biomarkers, and type 1 diabetes mellitus: a case-control study. Am J Transl Res 2022; 14:4838-4847. [PMID: 35958469 PMCID: PMC9360849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 02/07/2022] [Indexed: 06/15/2023]
Abstract
OBJECTIVE Inflammation is a major factor in endothelial dysfunction (ED) which is the earliest predictor of cardiovascular disease and premature mortality in type 1 diabetes mellitus (T1DM) patients. This study aimed to describe the possible relationship between plasma lipids and inflammatory and ED biomarkers in young Emirati patients with and without T1DM. METHODS This case-control study included 158 patients with T1DM and 157 healthy controls from the local population of the United Arab Emirates (UAE). Anthropometric data, clinical variables, lipid profiles, liver enzymes, HbA1c, inflammatory, and ED biomarkers were measured for all participants using sophisticated techniques and assays. RESULTS The mean ages ± SD of patients with T1DM and healthy controls was 19.3 ± 6.4 years (59.5% females) and 9.2 ± 6.8 years (61.5% females), respectively. The mean duration of T1DM was 9.3 ± 5.7 years, with HbA1c of 8.9 ± 2.1%. BMI, WC, SBP, and DBP significantly differed between the two groups. The mean lipid profiles (HDL, TG, TC, ApoA, and ApoB), liver enzymes (GGT, ALT), inflammatory (IL-6, adiponectin, TNF-α, hs-CRP), and ED biomarker levels (ICAM-1, VCAM-1, selectin, and ET-1) were also significantly different between patients and controls. Based on Spearman's rank and logistic regression analysis, there was a significant association between elevated lipid profile, liver enzymes, inflammatory markers, and ED markers in T1DM patients compared to controls. Among the biomarkers studied, ApoA, ApoB, and TC were significantly increased in T1DM patients compared to controls. CONCLUSION This study revealed a strong association between an elevated lipid profile and inflammatory and ED markers with T1DM, which could lead to cardiovascular events in the UAE population.
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Affiliation(s)
- Juma Alkaabi
- Department of Internal Medicine, College of Medicine and Health Sciences, United Arab Emirates UniversityAl Ain, PO 17666, United Arab Emirates
| | - Charu Sharma
- Department of Internal Medicine, College of Medicine and Health Sciences, United Arab Emirates UniversityAl Ain, PO 17666, United Arab Emirates
| | - Javed Yasin
- Department of Internal Medicine, College of Medicine and Health Sciences, United Arab Emirates UniversityAl Ain, PO 17666, United Arab Emirates
| | - Bachar Afandi
- Department of Endocrinology, Tawam HospitalUnited Arab Emirates
| | - Salem A Beshyah
- Department of Medicine, Dubai Medical CollegeDubai, United Arab Emirates
| | - Raya Almazrouei
- Department of Endocrinology, Tawam HospitalUnited Arab Emirates
| | - Ahmed Alkaabi
- College of Medicine and Health Sciences, United Arab Emirates UniversityAl Ain, PO 17666, United Arab Emirates
| | - Sania Al Hamad
- Department of Pediatrics, College of Medicine and Health Sciences, United Arab Emirates UniversityUnited Arab Emirates
| | - Luai A Ahmed
- Institute of Public Health, College of Medicine and Health Sciences, United Arab Emirates UniversityUnited Arab Emirates
| | - Rami Beiram
- Department of Pharmacology, College of Medicine and Health Sciences, United Arab Emirates UniversityUnited Arab Emirates
| | - Elhadi H Aburawi
- Department of Pediatrics, College of Medicine and Health Sciences, United Arab Emirates UniversityUnited Arab Emirates
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Mamtani M, Jaisinghani MT, Jaiswal SG, Pipal KV, Patel AA, Kulkarni H. Genetic association of anthropometric traits with type 2 diabetes in ethnically endogamous Sindhi families. PLoS One 2021; 16:e0257390. [PMID: 34506595 PMCID: PMC8432747 DOI: 10.1371/journal.pone.0257390] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Accepted: 08/31/2021] [Indexed: 12/20/2022] Open
Abstract
Background Ethnically endogamous populations can shed light on the genetics of type 2 diabetes. Such studies are lacking in India. We conducted this study to determine the genetic and environmental contributions of anthropometric traits to type 2 diabetes risk in the Sindhi families in central India. Methods We conducted a family study in Indian Sindhi families with at least one case of type 2 diabetes. Variance components methods were used to quantify the genetic association of 18 anthropometric traits with eight type 2 diabetes related traits. Univariate and bivariate polygenic models were used to determine the heritability, genetic and environmental correlation of anthropometric traits with type 2 diabetes related traits. Results We included 1,152 individuals from 112 phenotyped families. The ascertainment-bias corrected prevalence of type 2 diabetes was 35%. Waist circumference, hip circumference and the biceps, triceps, subscapular and medial calf skinfold thicknesses were polygenically and significantly associated with type 2 diabetes. The range of heritability of the anthropometric traits and type 2 diabetes related traits was 0.27–0.73 and 0.00–0.39, respectively. Heritability of type 2 diabetes as a discrete trait was 0.35. Heritability curves demonstrated a substantial local influence of type 2 diabetes related traits. Bivariate trait analyses showed that biceps and abdominal skinfold thickness and all waist-containing indexes were strongly genetically correlated with type 2 diabetes. Conclusions In this first study of Sindhi families, we found evidence for genetic and environmental concordance of anthropometric traits with type 2 diabetes. Future studies need to probe into the genetics of type 2 diabetes in this population.
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Affiliation(s)
- Manju Mamtani
- Lata Medical Research Foundation, Nagpur, India
- M&H Research, LLC, San Antonio, Texas, United States of America
- * E-mail:
| | | | | | | | | | - Hemant Kulkarni
- Lata Medical Research Foundation, Nagpur, India
- M&H Research, LLC, San Antonio, Texas, United States of America
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Hwang SY, Seon MJ, Lee JH, Kim OY. Relationship between Adipose Tissue Derived Hormones and Cardiometabolic Risk according to Obesity Status. Clin Nutr Res 2021; 10:206-218. [PMID: 34386440 PMCID: PMC8331290 DOI: 10.7762/cnr.2021.10.3.206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Accepted: 07/22/2021] [Indexed: 11/19/2022] Open
Abstract
Adiponectin, and leptin are adipose tissue derived hormones affecting metabolic status. This study aimed to investigate the relationship between circulating adiponectin and leptin levels, and cardiometabolic parameters by obesity status among healthy women without metabolic disease. Finally 141 participants were included in the analyses and categorized into three groups by their body mass index (kg/m2) (normal weight: 18.5 ≤ body mass index [BMI] < 23.0, n=65; overweight: 23.0 ≤ BMI < 25.0, n=26; obesity: 25.0 ≤ BMI, n=50). Overweight and obesity groups were older, and had significantly higher levels of adiposity, blood pressure, fasting glucose, triglyceride, and high sensitivity C-reactive protein (hs-CRP), and lower levels of high density lipoprotein (HDL)-cholesterol than normal weight group. Circulating leptin levels, and leptin to adiponectin ratio were highest in obesity group, but circulating adiponectin levels were not statistically different among the three groups. Circulating leptin levels were negatively correlated with adiponectin levels, and leptin to adiponectin ratio. In addition, leptin levels were positively correlated with waist circumference, systolic blood pressure, insulin resistance, and hs-CRP, and negatively with HDL-cholesterol. However, circulating adiponectin levels were negatively correlated only with waist circumference, and hs-CRP. These patterns were retained after adjusted for confounding factors such as age, smoking and drinking habits, menopausal status and total calorie intake. In conclusion, circulating adiponectin and leptin levels according to obesity status were differently observed among healthy women, and circulating leptin levels may be a more sensitive parameter for cardiometabolic risk in healthy women.
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Affiliation(s)
- So Yoon Hwang
- Department of Health Sciences, Graduate School of Dong-A University, Busan 49315, Korea
| | - Min Joo Seon
- Department of Health Sciences, Graduate School of Dong-A University, Busan 49315, Korea
| | - Jong Hwa Lee
- Department of Rehabilitation Medicine, Dong-A University Hospital, Busan 49201, Korea
| | - Oh Yoen Kim
- Department of Health Sciences, Graduate School of Dong-A University, Busan 49315, Korea.,Department of Food Science and Nutrition, Dong-A University, Busan 49315, Korea
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Abstract
Type 2 diabetes mellitus (T2DM), which is characterized by insulin resistance and relative insulin insufficiency, has become the most common chronic metabolic disease threatening global health. The preferred therapies for T2DM include lifestyle interventions and the use of anti-diabetic drugs. However, considering their adverse reactions, it is important to find a low-toxicity and effective functional food or drug for diabetes prevention and treatment. Astaxanthin is a potent antioxidant carotenoid found in marine organisms has been reported to prevent diet-induced insulin resistance and hepatic steatosis. To investigate the anti-diabetic effects of astaxanthin, male Wistar rats were fed a high-energy diet for 4 weeks, followed by a low dose streptozotocin (STZ) injection to induce the diabetes model, and the rats were then fed an astaxanthin-containing diet for another 3 weeks. Astaxanthin significantly decreased blood glucose and total cholesterol (TC) levels, and increased blood levels of high density lipoprotein cholesterol (HDL-C) in STZ-induced diabetic rats in a dose dependent manner. These results were associated with increased expression of insulin sensitivity related genes (adiponectin, adipoR1, and adipoR2) in vivo, thereby attenuating STZ-induced diabetes. In addition, we also compared the anti-diabetic effects of astaxanthin and monacolin K, which has been reported to downregulate hyperlipidemia and hyperglycemia. The results revealed that astaxanthin and monacolin K showed similar anti-diabetic effects in STZ-induced diabetic rats. Therefore, astaxanthin may be developed as an anti-diabetic agent in the future.
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Affiliation(s)
- Fen Zhuge
- Institute of Translational Medicine, The Affiliated Hospital of Hangzhou Normal University, 310015, China
| | - Yinhua Ni
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, 310014, China
| | - Chunyan Wan
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, 310014, China
| | - Fen Liu
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, 310014, China
| | - Zhengwei Fu
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, 310014, China
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Song SO, Han SJ, Kahn SE, Leonetti DL, Fujimoto WY, Boyko EJ. Leptin and Adiponectin Concentrations Independently Predict Future Accumulation of Visceral Fat in Nondiabetic Japanese Americans. Obesity (Silver Spring) 2021; 29:233-239. [PMID: 33269547 DOI: 10.1002/oby.23035] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 08/27/2020] [Accepted: 08/28/2020] [Indexed: 12/30/2022]
Abstract
OBJECTIVE Whether leptin and adiponectin are independently associated with regional body fat distribution was investigated in a prospective study of Japanese Americans. METHODS Nondiabetic participants 39 to 79 years of age were followed for 5 years to assess change in body composition. Leptin and adiponectin concentrations were evaluated at baseline and by single-slice computed tomography measurements of intra-abdominal fat (IAF), abdominal subcutaneous fat (SCF), and thigh SCF cross-sectional areas at baseline and at 5 years. RESULTS Ninety-six men and ninety-five women without diabetes had the following baseline mean (SD) values: age 45.7 (3.5) years and 46.4 (3.9) years, IAF 78.7 (38.6) cm2 and 62.1 (39.0) cm2 , leptin concentration 4.5 (2.3) μg/L and 10.2 (5.2) μg/L, and adiponectin concentration 7.4 (3.2) μg/mL and 10.8 (4.7) μg/mL, respectively. Baseline leptin (β = 1.7722, P = 0.014) and adiponectin concentrations (β = -0.4162, P < 0.001) were significantly associated with IAF change over 5 years in multivariable models adjusting for age, sex, diabetes family history, weight change over 5 years, and baseline measurements of BMI, IAF, abdominal SCF, waist circumference, thigh fat, and homeostatic model assessment of insulin resistance. CONCLUSIONS In nondiabetic Japanese Americans, a higher concentration of leptin was associated with greater accumulation of IAF and a higher concentration of adiponectin with lesser accumulation of IAF over 5 years.
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Affiliation(s)
- Sun Ok Song
- Epidemiologic Research and Information Center, VA Puget Sound Health Care System, Seattle, Washington, USA
- Department of Medicine, University of Washington School of Medicine, Seattle, Washington, USA
- Division of Endocrinology and Metabolism, Department of Internal Medicine, National Health Insurance Service Ilsan Hospital, Goyang, Republic of Korea
| | - Seung Jin Han
- Department of Endocrinology and Metabolism, Ajou University School of Medicine, Suwon, Korea
| | - Steven E Kahn
- Hospital and Specialty Medicine Service, VA Puget Sound Health Care System, Seattle, Washington, USA
- Division of Metabolism, Endocrinology and Nutrition, Department of Medicine, University of Washington School of Medicine, Seattle, Washington, USA
| | - Donna L Leonetti
- Department of Anthropology, University of Washington, Seattle, Washington, USA
| | - Wilfred Y Fujimoto
- Division of Metabolism, Endocrinology and Nutrition, Department of Medicine, University of Washington School of Medicine, Seattle, Washington, USA
| | - Edward J Boyko
- Epidemiologic Research and Information Center, VA Puget Sound Health Care System, Seattle, Washington, USA
- Department of Medicine, University of Washington School of Medicine, Seattle, Washington, USA
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10
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Deer EM, Welch B, Hernandez LL, Seeley RJ, Grayson BE. Nutrient and hormone composition of milk is altered in rodent dams post-bariatric surgery. J Dev Orig Health Dis 2020; 11:71-77. [PMID: 31397254 PMCID: PMC6934892 DOI: 10.1017/s2040174419000424] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Although bariatric surgery is approved for a woman of child-bearing age with an interest in subsequent pregnancy, reports of in utero growth issues during pregnancy have garnered a closer look at the impact of maternal surgical weight loss on the pre- and postpartum periods. Offspring of dams having received vertical sleeve gastrectomy (VSG) are born small-for-gestational age and have increased risk for metabolic syndrome later in life. Here, we aimed to determine whether the postnatal catch-up growth trajectory of bariatric offspring may be affected by milk composition. Milk samples were collected at postnatal day 15/16 from dams having received VSG surgery and fed a high-fat diet (HFD) (H-VSG), Sham surgery and fed chow (C-Sham), or Sham surgery and fed HFD (H-Sham). Milk obtained from H-VSG dams had elevated glucose (P < 0.05) and significantly reduced triglyceride content (P < 0.01). Milk from H-Sham dams had the lowest amount of milk protein (P < 0.05). Fatty acid composition measured by fractionation was largely not affected by surgery but rather maternal diet. No difference was observed in milk leptin levels; however, insulin, adiponectin, and growth hormone levels were significantly increased in milk from H-VSG animals. H-Sham had the lowest level of immunoglobulin (Ig)A, whereas IgG was significantly reduced in H-VSG. Taken together, the quality of milk from H-VSG dams suggests that milk composition could be a factor in reducing the rate of growth during the lactation period.
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Affiliation(s)
- Evangeline M. Deer
- Department of Neurobiology and Anatomical Sciences, University of Mississippi Medical Center, Jackson, MS
| | - Bradley Welch
- Department of Neurobiology and Anatomical Sciences, University of Mississippi Medical Center, Jackson, MS
| | - Laura L. Hernandez
- Department of Dairy Science, University of Wisconsin-Madison, Madison, WI
| | - Randy J. Seeley
- Department of Surgery, University of Michigan, Ann Arbor, MI
| | - Bernadette E. Grayson
- Department of Neurobiology and Anatomical Sciences, University of Mississippi Medical Center, Jackson, MS
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11
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Ristić M, Đelić M. Correlation between level of adipocytokines with body composition and heart rate recovery indices. MEDICINSKI PODMLADAK 2020. [DOI: 10.5937/mp71-22633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Abstract
Introduction: Adipose tissue as an endocrine organ primarily regulates metabolism of carbohydrates and lipids. Anorexigenic hormone leptin increases sympathetic activity and decreases insulin secretion, thereby reducing energy depots, while adiponectin elevates tissue sensitivity to insulin, which role visfatin imitates. Heart rate recovery index (DHRR), linked with insulin resistance syndrome, reflects parasympathetic function. Our goal was to analyze correlation between adipocytokines with body composition and DHRR in athletes and sedentary controls. Material and methods: Research included 19 volleyball and water polo national team members (mean age 19.26 ± 1.94 years) and 13 physically inactive male students (mean age 20.46 ± 1.13 years). Anthropometric data were measured and blood samples for hormone analysis were taken: at the beginning, the end and 30 minutes after finishing ergospirometry. Statistical evaluation was performed using: Student's t-test, Mann-Whitney, Wilcoxon's and Spearman's rank correlation test. Results: Adiponectin levels between dependent and independent variables didn't show statistical significance. Leptin level, noteworthy lower in athletes, at the beginning and the end of the test (p < 0.001 and p = 0.001, respectively), was declining in students in every before-after study aspect (p < 0.001 in each case). Visfatin was higher in sportsmen at the end of the test and 30 minutes later (p < 0.001 in both cases), but their levels decreased comparing the beginning and 30 minutes after the test (p = 0.02). Body height, VO2 max and DHRR3 were considerably higher in athletes, just as BMI, BF% and HR in the third minute of recovery were in controls (p < 0.05). Sportsmen had moderately strong negative correlation of visfatin with BF% (p = 0.002, RS = -0.674), whilst leptin showed moderately strong positive correlation with BMI and BF% (p = 0.002, RS = -0.657 and p = 0.011, RS = 0.567), respectively. Controls demonstrated strong and moderately strong positive correlation between leptin with DHRR1 (p = 0.008, RS = 0.702) and DHRR3 (p = 0.018, RS = 0.641), respectively. Conclusion: Research showed positive correlation between visfatin with BF% and leptin with BMI and BF% in athletes, considering small number of participants.
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Association between Sleep Quality and Body Composition in Sedentary Middle-Aged Adults. ACTA ACUST UNITED AC 2018; 54:medicina54050091. [PMID: 30463242 PMCID: PMC6262283 DOI: 10.3390/medicina54050091] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 11/14/2018] [Accepted: 11/14/2018] [Indexed: 12/13/2022]
Abstract
Background: Ageing is associated with sleep pattern changes and body composition changes, which are related to several diseases. Purpose: This study aimed to analyse the association between sleep quality and an extensive set of body composition parameters (waist-hip ratio, body mass index, bone mineral content, bone mineral density, lean mass, lean mass index, fat mass, fat mass percentage, fat mass index, visceral adipose tissue) and sleep quality in sedentary middle-aged adults. We also aimed to evaluate whether the possible associations accord between subjective and objective measurements of sleep quality. Methods: 74 (39 women) middle-aged sedentary adults (40–65 years old) participated in the present study. The sleep quality was assessed using the Pittsburgh sleep quality index (PSQI) scale and accelerometers. A PSQI global score more than 5 indicates poor sleep quality. Weight, height, waist and hip circumferences were measured, and body mass index and waist-hip ratio were also calculated. Body composition was assessed with a dual-energy X-ray absorptiometry scanner. Results: The PSQI global score was negatively associated with bone mineral content, bone mineral density, lean mass, lean mass index and positively associated with fat mass percentage. No association was found between accelerometer parameters and body composition variables. Conclusion: We showed that a subjective poor sleep quality was negatively associated with bone mineral content (BMC), bone mineral density (BMD), lean mass and lean mass index (LMI) whereas was positively associated with fat mass percentage in middle-aged adults. We also observed that these associations did not accord with objective sleep quality measurements.
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Jafarirad S, Ayoobi N, Karandish M, Jalali MT, Haghighizadeh MH, Jahanshahi A. Dark Chocolate Effect on Serum Adiponectin, Biochemical and Inflammatory Parameters in Diabetic Patients: A Randomized Clinical Trial. Int J Prev Med 2018; 9:86. [PMID: 30450169 PMCID: PMC6202779 DOI: 10.4103/ijpvm.ijpvm_339_17] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Accepted: 10/30/2017] [Indexed: 12/11/2022] Open
Abstract
Background: An appropriate snack for patients with diabetes mellitus should be considered to help them in their treatment due to their hard administrative diet. This study was conducted to evaluate the effect of dark chocolate on inflammatory markers, serum adiponectin, and certain biochemical factors in patients with type 2 diabetes (T2D). Methods: This study was a randomized parallel clinical trial. Thirty grams of 84% dark chocolate, along with therapeutic lifestyle changes (TLCs) guidelines, were administrated to patients with T2D. Control group received only TLC guidelines. The intervention period was 8 weeks. Twenty-one subjects in dark chocolate and 23 subjects in control group completed the study. Fasting blood samples were collected before and after the intervention period and inflammatory markers, biochemical factors, and adiponectin levels were assessed. Results: Fasting blood sugar, hemoglobin A1C, low-density lipoprotein and triglyceride levels declined significantly in the dark chocolate group and this decrease was significant between the intervention and control groups. Tumor necrosis factor-alpha, interleukin-6, and high sensitive C-reactive protein were significantly decreased in the dark chocolate group. Adiponectin levels were not significantly different between the two groups. Conclusions: In this study subjects who received dark chocolate along with TLC guidelines had lower levels of inflammatory markers such as hs-CRP, TNF-α, and IL-6, compared with the subjects who were devoid of dark chocolate and followed only the TLC guidelines. Other studies should be conducted to evaluate the most effective and administrative dosage of dark chocolate as a snack along with the common treatment of diabetes.
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Affiliation(s)
- Sima Jafarirad
- Nutrition and Metabolic Disease Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.,Department of Nutrition, School of Paramedicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Nina Ayoobi
- Nutrition and Metabolic Disease Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.,Department of Nutrition, School of Paramedicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Majid Karandish
- Nutrition and Metabolic Disease Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.,Department of Nutrition, School of Paramedicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mohammad-Taha Jalali
- Hyperlipidemia Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | | | - Alireza Jahanshahi
- Health Research Institute, Diabetes Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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14
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Emerging Role of Adipocytokines in Type 2 Diabetes as Mediators of Insulin Resistance and Cardiovascular Disease. Can J Diabetes 2018; 42:446-456.e1. [PMID: 29229313 DOI: 10.1016/j.jcjd.2017.10.040] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Revised: 10/06/2017] [Accepted: 10/06/2017] [Indexed: 12/13/2022]
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15
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Alfaqih MA, Khader YS, Al-Dwairi AN, Alzoubi A, Al-Shboul O, Hatim A. Lower Levels of Serum Adiponectin and the T Allele of rs1501299 of the ADIPOQ Gene Are Protective against Polycystic Ovarian Syndrome in Jordan. Korean J Fam Med 2018; 39:108-113. [PMID: 29629043 PMCID: PMC5876045 DOI: 10.4082/kjfm.2018.39.2.108] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Revised: 11/18/2017] [Accepted: 11/28/2017] [Indexed: 12/17/2022] Open
Abstract
Background Polycystic ovary syndrome (PCOS) is a common reproductive disorder. Obesity, which is linked with lower adiponectin levels, increases a woman's risk of developing PCOS; however, the association between adiponectin and PCOS is controversial. Adiponectin levels could be affected by single nucleotide polymorphisms (SNPs) in the ADIPOQ gene. This study aimed to test the relationship between serum adiponectin and PCOS in Jordan and the association between the rs2241766, rs1501299, and rs266729 SNPs in the ADIPOQ gene and PCOS. Methods One hundred and fifty-four women with PCOS and 149 age- and body mass index-matched normally menstruating controls were recruited. Serum adiponectin levels were measured using enzyme-linked immunosorbent assay. Genotyping was performed using polymerase chain reaction-restriction fragment length polymorphism analysis. Results Serum adiponectin levels were significantly lower (P=0.0064) in PCOS women and rs1501299 (+276 G/T) genotype distributions were significantly different (P=0.01) between them and normally menstruating women. Multivariate analysis revealed that adiponectin levels remained significantly lower in PCOS women (P=0.001; odds ratio [OR], 0.9; 95% confidence interval [CI], 0.84-0.96). The GT genotype of rs1501299 increased the risk of PCOS (P<0.001; OR, 5.46; 95% CI, 2.42-12.33) and increased the risk of PCOS by three-fold (P<0.001; OR, 3.00; 95% CI, 1.36-6.60) relative to the TT genotype. The GG genotype increased the risk of PCOS as well (P<0.001; OR, 3:00; 95% CI, 1.36-6.60). Conclusion PCOS is associated with lower serum adiponectin levels independent of age and body mass index. The T allele of the rs1501299 (+276 G/T) SNP of the ADIPOQ gene protects against PCOS.
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Affiliation(s)
- Mahmoud A Alfaqih
- Department of Physiology and Biochemistry, School of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Yousef S Khader
- Department of Physiology and Biochemistry, School of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Ahmed N Al-Dwairi
- Department of Physiology and Biochemistry, School of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Abdallah Alzoubi
- Department of Physiology and Biochemistry, School of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Othman Al-Shboul
- Department of Physiology and Biochemistry, School of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Amanie Hatim
- Department of Physiology and Biochemistry, School of Medicine, Jordan University of Science and Technology, Irbid, Jordan
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16
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Adiponectin: A potential therapeutic target for metabolic syndrome. Cytokine Growth Factor Rev 2018; 39:151-158. [PMID: 29395659 DOI: 10.1016/j.cytogfr.2018.01.004] [Citation(s) in RCA: 112] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2018] [Accepted: 01/11/2018] [Indexed: 12/20/2022]
Abstract
Adiponectin is an important adipocytokine secreted chiefly by fat containing adipocytes, and plays a crucial role in glucose and lipid metabolism, inflammation and oxidative stress. Alterations in adiponectin levels have been shown to directly affect lipid and glucose metabolism that further increase the synthesis of lipids, free fatty acids and inflammatory cytokines. Changes in adiponectin levels also contribute to insulin resistance, obesity, cardiovascular diseases and type 2 diabetes. In the present review, we provide a comprehensive evaluation of the role of adiponectin and its molecular mechanisms in metabolic syndrome. Clinical improvement in adiponectin levels have been shown to positively modulate lipid and glucose metabolism, thus further substantiating its role in regulation of lipid and glucose metabolism. Currently adiponectin is being investigated as a potential therapeutic target for metabolic syndrome, although more research is required to understand the underlying mechanisms controlling adiponectin levels, including dietary and lifestyle interventions, that may target adiponectin as a therapeutic intervention in metabolic syndrome.
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Abdalla MMI, Soon SC. Salivary adiponectin concentration in healthy adult males in relation to anthropometric measures and fat distribution. Endocr Regul 2017; 51:185-192. [DOI: 10.1515/enr-2017-0019] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Abstract
Objectives. Body fat content, fat distribution, and adiponectin level are important variables in the development of obesity related complications. Anthropometric indices may provide an economic and faster method in measuring the risk for complications through their predictive effect of fat distribution and adiponectin concentration. We aimed to determine, which of the waist circumference (WC), waist-to-hip ratio (WHR), and body mass index (BMI) may be the best predictor for the total fat percentage (WF), visceral fat level (VF), and subcutaneous whole-body fat (SCWBF). We aimed also to investigate the potential use of the anthropometric measures and fat distribution as predictors for the salivary adiponectin level in the healthy adult males. Subjects. A total of 88 adult males aged between 18−25 years with a wide range of BMI were studied. Anthropometric indices were measured using standardized methods and salivary adiponectin level was assessed using an enzyme-linked immunosorbent assay. Results. In path analysis of the Structural Equation Model (SEM) using IBM@SPSS AMOS, version22, BMI and WC, but not WHR, were strong predictors for WF and SCWBF (p<0.05). BMI but not WC was a strong predictor for VF (p<0.001). WF was strong predictor for SCWBF (p<0.001), but not for VF. BMI, WC, WHR, WF, VF, and SCWBF were poor predictors of the salivary adiponectin level. Conclusion. BMI is the best predictor for the total body fat and fat distribution. However, WHR seems to be of a little value and the salivary adiponectin level independent of BMI and body fat in healthy adult Malay males.
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Affiliation(s)
- Mona Mohamed Ibrahim Abdalla
- Physiology Department, Faculty of Medicine, MAHSA University, Kuala Lumpur , Malaysia
- Physiology Department, Faculty of Medicine, Minia University, Minia , Egypt
| | - S. C. Soon
- Physiology Department, Faculty of Medicine, MAHSA University, Kuala Lumpur , Malaysia
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18
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Insulin resistance, an unmasked culprit in depressive disorders: Promises for interventions. Neuropharmacology 2017; 136:327-334. [PMID: 29180223 DOI: 10.1016/j.neuropharm.2017.11.038] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Revised: 11/22/2017] [Accepted: 11/23/2017] [Indexed: 12/12/2022]
Abstract
Depressive disorders constitute a set of debilitating diseases with psychological, societal, economic and humanitarian consequences for millions of people worldwide. Scientists are beginning to understand the reciprocal communication between the brain and the rest of the body in the etiology of these diseases. In particular, scientists have noted a connection between depressive disorders, which are primarily seen as brain-based, and, insulin resistance (IR), a modifiable metabolic inflammatory state that is typically seen as peripheral. We highlight evidence showing how treating IR, with drugs or behavioral interventions, may ameliorate or possibly prevent, depressive disorders and their long-term consequences at various stages of the life course. This article is part of the Special Issue entitled 'Metabolic Impairment as Risk Factors for Neurodegenerative Disorders.'
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Abraham PA, Attipoe S, Kazman JB, Zeno SA, Poth M, Deuster PA. Role of plasma adiponectin /C-reactive protein ratio in obesity and type 2 diabetes among African Americans. Afr Health Sci 2017; 17:99-107. [PMID: 29026382 DOI: 10.4314/ahs.v17i1.13] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND Obesity is a modifiable risk factor for hypertension and T2D. Objective(s): We examined relations between fasting plasma adiponectin (ADIP), C-reactive protein (CRP) concentrations and markers of T2D in African Americans (AA). METHODS Fasting plasma ADIP, CRP, Insulin (IN), HOMA-IR, lipid profiles, body fat percent (%BF), waist circumference (WC), body mass index (BMI) and blood pressure measures were determined in AA women (W: n=77) and men (M: n=34). Participants were classified into: 1) Normal fasting glucose (FG) and Normal %BF; 2) Normal FG and High %BF; and 3) High FG. RESULTS Compared to men, women had significantly higher mean ADIP (W: 31.4±2.9 vs. M: 18.0±4.4 ng/L), CRP (W: 3.2±0.3 vs. M: 2.0±0.5 mg/L), %BF (W: 41.2±0.9 vs. M: 27.2±1.3), and BMI (W: 32.3±0.7 vs. M: 29.2±1.1 kg/m2). Women with normal FG and %BF had significantly higher ADIP (64.0±6.0) and lower CRP (1.3±0.6) concentrations than normal FG/ high %BF (ADIP: 37.0±5.0 and CRP: 3.1 ±0.5) and high FG (ADIP: 15.1±4.1 and CRP: 4.0 ± 0.5) groups. Women with high ADIP to CRP ratio had favorable metabolic and anthropometric profiles. CONCLUSION Low ADIP and high CRP are associated with excessive %BF and FG in AA women. ADIP/CRP, may be useful for detecting metabolic dysregulation.
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Affiliation(s)
- Preetha Anna Abraham
- Department of Military and Emergency Medicine (MEM) Uniformed Services University of Health Sciences (USUHS) 4301 Jones Bridge Rd, Bethesda, MD 20814 (PA, SA, JK, SZ, PD)
| | - Selasi Attipoe
- Department of Military and Emergency Medicine (MEM) Uniformed Services University of Health Sciences (USUHS) 4301 Jones Bridge Rd, Bethesda, MD 20814 (PA, SA, JK, SZ, PD)
| | - Josh B Kazman
- Department of Military and Emergency Medicine (MEM) Uniformed Services University of Health Sciences (USUHS) 4301 Jones Bridge Rd, Bethesda, MD 20814 (PA, SA, JK, SZ, PD)
| | - Stacey Anne Zeno
- Department of Military and Emergency Medicine (MEM) Uniformed Services University of Health Sciences (USUHS) 4301 Jones Bridge Rd, Bethesda, MD 20814 (PA, SA, JK, SZ, PD)
| | - Merrily Poth
- Department of Military and Emergency Medicine (MEM) Uniformed Services University of Health Sciences (USUHS) 4301 Jones Bridge Rd, Bethesda, MD 20814 (PA, SA, JK, SZ, PD)
| | - Patricia Anne Deuster
- Department of Military and Emergency Medicine (MEM) Uniformed Services University of Health Sciences (USUHS) 4301 Jones Bridge Rd, Bethesda, MD 20814 (PA, SA, JK, SZ, PD)
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Grenier A, Brassard P, Bertrand OF, Després JP, Costerousse O, Alméras N, Poirier EP. Rosiglitazone influences adipose tissue distribution without deleterious impact on heart rate variability in coronary heart disease patients with type 2 diabetes. Clin Auton Res 2016; 26:407-414. [PMID: 27498095 DOI: 10.1007/s10286-016-0373-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Accepted: 07/26/2016] [Indexed: 12/28/2022]
Abstract
INTRODUCTION Obesity is associated with decreased heart rate variability (HRV). Rosiglitazone, a PPARγ agonist, is generally associated with increases in body mass. PURPOSE To assess whether the gain in body mass and adiposity expected from rosiglitazone treatment has an influence on HRV in patients with type 2 diabetes and coronary artery disease. METHODS One hundred and twenty-five patients with type 2 diabetes and coronary artery disease aged between 40 and 75 years were studied. Anthropometric measurements: (1) body mass index (BMI), (2) waist circumference (WC), (3) abdominal computed tomography (CT) scan, and HRV (using a 24 h Holter) were measured at baseline and after 12 months of treatment. Patients were randomized to rosiglitazone or placebo regimen. RESULTS In the rosiglitazone vs. placebo group, there were significant increases in body mass [3.5 (2.6;4.4); mean (95 % CI) vs. 0.2 (-0.4;0.8)] kg), BMI [1.3 (1.0;1.6) vs. 0.1 (-0.1;0.3) kg/m2], WC [2.1 (0.9;3.3) vs. 0.4 (-0.4;1.2) cm, all p ≤ 0.001] and subcutaneous adipose tissue [253 (187;319) vs. 6 (-24;36) cm3, p ≤ 0.001] without statistically significant changes in visceral adipose tissue [-22 (-91;47) vs. 57 (43;71) cm3, p = 0.546], respectively. There was no change in HRV in either group after 12 months. There were no correlations between changes in HRV variables and fat distribution. CONCLUSION Our results suggest that changes in adiposity indices observed after 12 months of rosiglitazone therapy have no deleterious influence on HRV in patients with type 2 diabetes and coronary artery disease.
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Affiliation(s)
- Audrey Grenier
- Institut universitaire de cardiologie et de pneumologie de Québec, Quebec City, QC, Canada
- Faculty of pharmacy, Laval University, Quebec City, QC, Canada
| | - Patrice Brassard
- Institut universitaire de cardiologie et de pneumologie de Québec, Quebec City, QC, Canada
- Department of Kinesiology, Faculty of Medicine, Laval University, Quebec City, QC, Canada
| | - Olivier F Bertrand
- Institut universitaire de cardiologie et de pneumologie de Québec, Quebec City, QC, Canada
| | - Jean-Pierre Després
- Institut universitaire de cardiologie et de pneumologie de Québec, Quebec City, QC, Canada
- Department of Kinesiology, Faculty of Medicine, Laval University, Quebec City, QC, Canada
| | - Olivier Costerousse
- Institut universitaire de cardiologie et de pneumologie de Québec, Quebec City, QC, Canada
| | - Natalie Alméras
- Institut universitaire de cardiologie et de pneumologie de Québec, Quebec City, QC, Canada
| | - Et Paul Poirier
- Institut universitaire de cardiologie et de pneumologie de Québec, Quebec City, QC, Canada.
- Faculty of pharmacy, Laval University, Quebec City, QC, Canada.
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Hashim AA, Ali SA, Emara IA, El-Hefnawy MH. CTX Correlation to Disease Duration and Adiponectin in Egyptian Children with T1DM. J Med Biochem 2016; 35:34-42. [PMID: 28356862 PMCID: PMC5346799 DOI: 10.1515/jomb-2015-0011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2015] [Accepted: 06/16/2015] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND In this study, we investigated the relationship of adiponectin with bone marker changes in Egyptian children and adolescents with T1DM and the effect of disease duration on these markers, as well as the possible correlations between adiponectin and bone markers in these patients. METHODS Sixty Egyptian children and adolescent patients with T1DM were studied. Serum adiponectin and collagen breakdown products (cross-linked C-terminal telopeptide of collagen type l »CTX«) were measured and compared to the results of 20 age-matched healthy controls. RESULTS After adjustment for age, BMI, Tanner stage and gender; (total) adiponectin was significantly higher in all T1DM patients. Serum level of CTX and 25(OH)D showed a marked decrease in diabetics with disease duration > 5 years. Serum level of (total) calcium and inorganic phosphorus (Pi) did not show significant difference from control. CTX was inversely correlated to FBG and T1DM duration. Pi was inversely, while 25(OH)D was directly correlated to FBG. Total calcium showed an inverse correlation with HbA1c. FBG, TC, TAG, LDL-C were independent predictors of CTX in T1DM. CONCLUSIONS Adiponectin showed no correlation with either CTX or bone homeostatic indices. FBG, TC, TAG, LDL-C were independent predictors of CTX in T1DM. We recommend further investigation of adiponectin isoforms in a population-based study, to establish a good age- and sex-related reference.
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Affiliation(s)
- Amel A Hashim
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Cairo, Egypt
| | - Sahar A Ali
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Cairo, Egypt
| | - Ibrahim A Emara
- Biochemistry and Pediatric Departments, National Institute of Diabetes and Endocrinology (NIDE), Cairo, Egypt
| | - Mohamed H El-Hefnawy
- Biochemistry and Pediatric Departments, National Institute of Diabetes and Endocrinology (NIDE), Cairo, Egypt
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Sofer S, Eliraz A, Madar Z, Froy O. Concentrating carbohydrates before sleep improves feeding regulation and metabolic and inflammatory parameters in mice. Mol Cell Endocrinol 2015. [PMID: 26206716 DOI: 10.1016/j.mce.2015.06.032] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
New evidance highlights the importance of food timing. Recently, we showed that a low-calorie diet with carbohydrates eaten mostly at dinner changed diurnal hormone secretion and led to greater weight loss and improved metabolic status in obese people. Herein, we set out to test whether concentrated-carbohydrates diet (CCD), in which carbohydrates are fed only before sleep, leads to an improved metabolic status in mouse hypothalamus and peripheral tissues. Diet-induced obese mice were given concentrated or distributed carbohydrate diet for 6 weeks. Obese mice fed CCD ate 8.3% less, were 9.3% leaner and had 39.7% less fat mass. Leptin, ghrelin and adiponectin displayed altered secretion. In addition, these mice exhibited an improved biochemical and inflammatory status. In the hypothalamus, anorexigenic signals were up-regulated and orexigenic signals were down-regulated. In peripheral tissues, CCD promoted adiponectin signaling, repressed gluconeogenesis, enhanced lipid oxidation and lowered inflammation, thus ameliorating the major risk factors of obesity.
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Affiliation(s)
- Sigal Sofer
- Institute of Biochemistry, Food Science and Nutrition, Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot 76100, Israel; Meuhedet Medical Services, Diet and Nutrition Department, Tel Aviv, Israel
| | - Abraham Eliraz
- Institute of Biochemistry, Food Science and Nutrition, Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot 76100, Israel
| | - Zecharia Madar
- Institute of Biochemistry, Food Science and Nutrition, Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot 76100, Israel.
| | - Oren Froy
- Institute of Biochemistry, Food Science and Nutrition, Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot 76100, Israel.
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Lubkowska A, Radecka A, Bryczkowska I, Rotter I, Laszczyńska M, Dudzińska W. Serum Adiponectin and Leptin Concentrations in Relation to Body Fat Distribution, Hematological Indices and Lipid Profile in Humans. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2015; 12:11528-48. [PMID: 26389928 PMCID: PMC4586689 DOI: 10.3390/ijerph120911528] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/12/2015] [Revised: 08/11/2015] [Accepted: 08/19/2015] [Indexed: 12/21/2022]
Abstract
The purpose of the study was to evaluate the relationship between serum adiponectin and leptin concentrations and body composition, hematological indices and lipid profile parameters in adults. The study involved 95 volunteers (BMI from 23.3 to 53 kg/m2). Anthropometric parameters were measured: body weight and height, waist and hip circumference, waist-to-hip ratio, body fat mass (BMF), subcutaneous and visceral fat mass (SFM, VFM), lean body mass (LBM), skeletal muscle mass (SMM). In serum we determined adiponectin and leptin concentrations, extracellular hemoglobin, total bilirubin, as well as lipid metabolism (TCh, HDL-Ch, LDL-Ch, TG). Mean adipokine levels were significantly higher in women (p ≤ 0.01), adiponectin significantly negatively correlated with body height and weight, systolic blood pressure and absolute LBM and SMM values. The same relation was observed for erythroid system indicators and lipid indicators. A positive correlation was exceptionally found between adiponectin and HDL-Ch. LEP negatively correlated with some percentage rates (%LBM, %SMM). Only in women, we observed a positive correlation between LEP and body weight, BMI and WHR. Studies on ADPN and the ADPN/LEP ratio as a valuable complementary diagnostic element in the prediction and prevention of cardiovascular diseases need to be continued.
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Affiliation(s)
- Anna Lubkowska
- Department of Functional Diagnostics and Physical Medicine, Faculty of Health Sciences, Pomeranian Medical University in Szczecin.
| | - Aleksandra Radecka
- Department of Functional Diagnostics and Physical Medicine, Faculty of Health Sciences, Pomeranian Medical University in Szczecin.
| | - Iwona Bryczkowska
- Department of Functional Diagnostics and Physical Medicine, Faculty of Health Sciences, Pomeranian Medical University in Szczecin.
| | - Iwona Rotter
- Department of Medical Rehabilitation, Faculty of Health Sciences, Pomeranian Medical University in Szczecin.
| | - Maria Laszczyńska
- Department of Histology and Developmental Biology, Faculty of Health Sciences, Pomeranian Medical University in Szczecin.
| | - Wioleta Dudzińska
- Department of Physiology, Faculty of Biology, Szczecin University, ul. Felczaka 3c, 71-412 Szczecin, Poland.
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Body Composition, Lipid Profile, Adipokine Concentration, and Antioxidant Capacity Changes during Interventions to Treat Overweight with Exercise Programme and Whole-Body Cryostimulation. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2015; 2015:803197. [PMID: 26171117 PMCID: PMC4485500 DOI: 10.1155/2015/803197] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/01/2015] [Revised: 04/22/2015] [Accepted: 05/10/2015] [Indexed: 10/31/2022]
Abstract
The aim of this study was to determine the effect of six-month-long physical exercise programme with a two-time exposure to whole-body cryostimulation (WBC) in 20 sessions on antioxidant enzyme activities, lipid profile, and body composition changes in obese people (30 adult subjects; BMI = 30.39 ± 4.31 kg/m(2)). Blood samples were taken before the programme, one month following the exercise programme, before and after the first WBC treatment, six months following the exercise programme, after the second WBC treatment, and finally one month after the intervention. Six months of moderate aerobic activity combined with WBC did not change body mass or fat and lean body mass percentages, or circulating adiponectin, leptin, and resistin concentrations. In response to intervention a significant decrease in the level of low-density lipoprotein and triglycerides was observed, with a slight increase in high-density lipoprotein concentration. The nature of changes in the activity of respective antioxidant enzymes was not identical. After one month of increased physical activity, a significant decrease in superoxide dismutase, catalase, and glutathione reductase activities was observed (13%, 8%, and 70%, resp.). The SOD activity increased significantly after successive whole-body cryostimulation sessions. As regards catalase, a significant progressive decrease in its activity was observed.
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Vaughan LK, Wiener HW, Aslibekyan S, Allison DB, Havel PJ, Stanhope KL, O'Brien DM, Hopkins SE, Lemas DJ, Boyer BB, Tiwari HK. Linkage and association analysis of obesity traits reveals novel loci and interactions with dietary n-3 fatty acids in an Alaska Native (Yup'ik) population. Metabolism 2015; 64:689-97. [PMID: 25772781 PMCID: PMC4408244 DOI: 10.1016/j.metabol.2015.02.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Revised: 01/30/2015] [Accepted: 02/28/2015] [Indexed: 12/25/2022]
Abstract
OBJECTIVE To identify novel genetic markers of obesity-related traits and to identify gene-diet interactions with n-3 polyunsaturated fatty acid (n-3 PUFA) intake in Yup'ik people. MATERIAL AND METHODS We measured body composition, plasma adipokines and ghrelin in 982 participants enrolled in the Center for Alaska Native Health Research (CANHR) Study. We conducted a genome-wide SNP linkage scan and targeted association analysis, fitting additional models to investigate putative gene-diet interactions. Finally, we performed bioinformatic analysis to uncover likely candidate genes within the identified linkage peaks. RESULTS We observed evidence of linkage for all obesity-related traits, replicating previous results and identifying novel regions of interest for adiponectin (10q26.13-2) and thigh circumference (8q21.11-13). Bioinformatic analysis revealed DOCK1, PTPRE (10q26.13-2) and FABP4 (8q21.11-13) as putative candidate genes in the newly identified regions. Targeted SNP analysis under the linkage peaks identified associations between three SNPs and obesity-related traits: rs1007750 on chromosome 8 and thigh circumference (P=0.0005), rs878953 on chromosome 5 and thigh skinfold (P=0.0004), and rs1596854 on chromosome 11 for waist circumference (P=0.0003). Finally, we showed that n-3 PUFA modified the association between obesity related traits and two additional variants (rs2048417 on chromosome 3 for adiponectin, P for interaction=0.0006 and rs730414 on chromosome 11 for percentage body fat, P for interaction=0.0004). CONCLUSIONS This study presents evidence of novel genomic regions and gene-diet interactions that may contribute to the pathophysiology of obesity-related traits among Yup'ik people.
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Affiliation(s)
- Laura Kelly Vaughan
- Department of Biology, King University, 1350 King College Rd, Bristol, TN 37620, USA.
| | - Howard W Wiener
- Department of Epidemiology, University of Alabama at Birmingham, 1665 University Blvd, Birmingham, AL 35294, USA.
| | - Stella Aslibekyan
- Department of Epidemiology, University of Alabama at Birmingham, 1665 University Blvd, Birmingham, AL 35294, USA.
| | - David B Allison
- Section on Statistical Genetics, Department of Biostatistics, University of Alabama at Birmingham, 1665 University Blvd, Birmingham, AL 35294, USA.
| | - Peter J Havel
- Departments of Nutrition and Molecular Biosciences, University of California at Davis, 1 Shields Ave, Davis, CA 95616, USA.
| | - Kimber L Stanhope
- Departments of Nutrition and Molecular Biosciences, University of California at Davis, 1 Shields Ave, Davis, CA 95616, USA.
| | - Diane M O'Brien
- USACenter for Alaska Native Health Research, Institute of Arctic Biology, 311 Irving I Building, University of Alaska Fairbanks, Fairbanks, AK 99775, USA.
| | - Scarlett E Hopkins
- USACenter for Alaska Native Health Research, Institute of Arctic Biology, 311 Irving I Building, University of Alaska Fairbanks, Fairbanks, AK 99775, USA.
| | - Dominick J Lemas
- Department of Pediatrics, Section of Neonatology, University of Colorado Anschutz Medical Campus, 13123 East 16th Ave, Aurora, CO 80045, USA.
| | - Bert B Boyer
- USACenter for Alaska Native Health Research, Institute of Arctic Biology, 311 Irving I Building, University of Alaska Fairbanks, Fairbanks, AK 99775, USA.
| | - Hemant K Tiwari
- Section on Statistical Genetics, Department of Biostatistics, University of Alabama at Birmingham, 1665 University Blvd, Birmingham, AL 35294, USA.
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Sofer S, Stark AH, Madar Z. Nutrition targeting by food timing: time-related dietary approaches to combat obesity and metabolic syndrome. Adv Nutr 2015; 6:214-23. [PMID: 25770260 PMCID: PMC4352180 DOI: 10.3945/an.114.007518] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Effective nutritional guidelines for reducing abdominal obesity and metabolic syndrome are urgently needed. Over the years, many different dietary regimens have been studied as possible treatment alternatives. The efficacy of low-calorie diets, diets with different proportions of fat, protein, and carbohydrates, traditional healthy eating patterns, and evidence-based dietary approaches were evaluated. Reviewing literature published in the last 5 y reveals that these diets may improve risk factors associated with obesity and metabolic syndrome. However, each diet has limitations ranging from high dropout rates to maintenance difficulties. In addition, most of these dietary regimens have the ability to attenuate some, but not all, of the components involved in this complicated multifactorial condition. Recently, interest has arisen in the time of day foods are consumed (food timing). Studies have examined the implications of eating at the right or wrong time, restricting eating hours, time allocation for meals, and timing of macronutrient consumption during the day. In this paper we review new insights into well-known dietary therapies as well as innovative time-associated dietary approaches for treating obesity and metabolic syndrome. We discuss results from systematic meta-analyses, clinical interventions, and animal models.
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Affiliation(s)
- Sigal Sofer
- Robert H Smith Faculty of Agriculture, Food, and Environment, Institute of Biochemistry, Food Science, and Nutrition, Hebrew University of Jerusalem, Rehovot, Israel; and,Diet and Nutrition Department, Meuhedet Medical Services, Tel Aviv, Israel
| | - Aliza H Stark
- Robert H Smith Faculty of Agriculture, Food, and Environment, Institute of Biochemistry, Food Science, and Nutrition, Hebrew University of Jerusalem, Rehovot, Israel; and
| | - Zecharia Madar
- Robert H Smith Faculty of Agriculture, Food, and Environment, Institute of Biochemistry, Food Science, and Nutrition, Hebrew University of Jerusalem, Rehovot, Israel; and
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O’Brien DM, Kristal AR, Nash SH, Hopkins SE, Luick BR, Stanhope KL, Havel PJ, Boyer BB. A stable isotope biomarker of marine food intake captures associations between n-3 fatty acid intake and chronic disease risk in a Yup'ik study population, and detects new associations with blood pressure and adiponectin. J Nutr 2014; 144:706-13. [PMID: 24598880 PMCID: PMC3985827 DOI: 10.3945/jn.113.189381] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
The nitrogen isotope ratio (δ(15)N) of RBCs has been proposed as a biomarker of marine food intake in Yup'ik people based on strong associations with RBC eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). However, EPA and DHA derive from marine fats, whereas elevated δ(15)N derives from marine protein, and these dietary components may have different biologic effects. Whether δ(15)N is similarly associated with chronic disease risk factors compared with RBC EPA and DHA is not known. We used covariate-adjusted linear models to describe biomarker associations with chronic disease risk factors in Yup'ik people, first in a smaller (n = 363) cross-sectional study population using RBC EPA, DHA, and δ(15)N, and then in a larger (n = 772) cross-sectional study population using δ(15)N only. In the smaller sample, associations of RBC EPA, DHA, and δ(15)N with obesity and chronic disease risk factors were similar in direction and significance: δ(15)N was positively associated with total, HDL, and LDL cholesterol, apolipoprotein A-I, and insulin-like growth factor binding protein-3 (IGFBP-3), and inversely associated with triglycerides. Based on comparisons between covariate-adjusted β-coefficients, EPA was more strongly associated with circulating lipids and lipoproteins, whereas δ(15)N was more strongly associated with adipokines, the inflammatory marker interleukin-6, and IGFBP-3. In the larger sample there were new findings for this population: δ(15)N was inversely associated with blood pressure and there was a significant association (with inverse linear and positive quadratic terms) with adiponectin. In conclusion, δ(15)N is a valid measure for evaluating associations between EPA and DHA intake and chronic disease risk in Yup'ik people and may be used in larger studies. By measuring δ(15)N, we report beneficial associations of marine food intake with blood pressure and adiponectin, which may contribute to a lower incidence of some chronic diseases in Yup'ik people.
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Affiliation(s)
- Diane M. O’Brien
- Center for Alaska Native Health Research, Institute of Arctic Biology, and,Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, AK,To whom correspondence should be addressed: E-mail:
| | - Alan R. Kristal
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA; and
| | - Sarah H. Nash
- Center for Alaska Native Health Research, Institute of Arctic Biology, and,Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, AK
| | | | - Bret R. Luick
- Center for Alaska Native Health Research, Institute of Arctic Biology, and
| | - Kimber L. Stanhope
- Department of Molecular Biosciences, School of Veterinary Medicine, and,Department of Nutrition, University of California, Davis, Davis, CA
| | - Peter J. Havel
- Department of Molecular Biosciences, School of Veterinary Medicine, and,Department of Nutrition, University of California, Davis, Davis, CA
| | - Bert B. Boyer
- Center for Alaska Native Health Research, Institute of Arctic Biology, and
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Differences in the metabolic status of healthy adults with and without active brown adipose tissue. Wien Klin Wochenschr 2013; 125:687-95. [PMID: 24146327 DOI: 10.1007/s00508-013-0431-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2013] [Accepted: 09/13/2013] [Indexed: 12/29/2022]
Abstract
BACKGROUND Previous studies have proven the existence of active brown adipose tissue (BAT) in adults; however, its effect on systematic metabolism remains unclear. AIM The current study was designed to investigate the differences in the metabolic profiles of healthy adults with and without active BAT using positron emission tomography-computed tomography (PET-CT) scans in the un-stimulated state. METHODS A cross-sectional analysis was performed to assess the health of adults using PET-CT whole-body scans at Huashan Hospital Medical Centre between November 2009 and May 2010. A total of 62 healthy adults with active BAT were enrolled in the BAT-positive group. For each positive subject, a same-gender individual who underwent PET-CT the same day and who had no detectable BAT was chosen as the negative control. Body composition was measured, and blood samples were collected for assays of metabolic profiles and other biomarkers. RESULTS In both the male and female groups, BAT-positive individuals were younger and had lower body mass indexes, fasting insulin, insulin resistance, and leptin, but a greater level of high-density lipoprotein cholesterol compared with the negative controls. In the male group, body fat content and levels of tumor necrosis factor-α were significantly lower in the BAT-positive than in the negative control group. CONCLUSIONS The healthy adults with active BAT in an un-stimulated state had favorable metabolic profiles suggesting that active BAT may be a potential target for preventing and treating obesity and other metabolic disorders.
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Sofer S, Eliraz A, Kaplan S, Voet H, Fink G, Kima T, Madar Z. Changes in daily leptin, ghrelin and adiponectin profiles following a diet with carbohydrates eaten at dinner in obese subjects. Nutr Metab Cardiovasc Dis 2013; 23:744-750. [PMID: 22901843 DOI: 10.1016/j.numecd.2012.04.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2011] [Revised: 04/05/2012] [Accepted: 04/19/2012] [Indexed: 01/03/2023]
Abstract
BACKGROUND AND AIMS Our recently published randomised clinical trial evaluated the effect of a low-calorie diet with carbohydrates eaten at dinner. This dietary pattern led to lower hunger scores, and better anthropometric, biochemical and inflammatory outcomes compared to a standard low-calorie diet. In the same study, changes in diurnal secretion patterns of leptin, ghrelin and adiponectin were investigated. METHODS AND RESULTS Seventy-eight police officers (body mass index (BMI) > 30) were randomly allocated to experimental (carbohydrates at dinner) or control weight loss diets for 6 months. Sixty-three subjects finished the programme. On days 0, 7, 90 and 180 blood samples and hunger scores were collected every 4 h from 8:00 to 20:00. Hormonal profiles were available for 39. The dietary manipulation led to changes in daylight hormonal profiles in the experimental group. Leptin's secretion curve became convex, with a nadir later in the day (significant difference compared to baseline at morning and evening, p = 0.023, p = 0.021, respectively). Ghrelin's secretion curve became concave, peaking only in the evening hours. Adiponectin's curve was elevated only after the experimental diet (significant difference compared to baseline at afternoon, p = 0.044). CONCLUSIONS We propose that a low-calorie diet with carbohydrates eaten at dinner can modulate daytime hormonal profiles. Taken together with our earlier results, we believe this diet regime may prevent mid-day hunger, better support weight loss and improve metabolic outcomes compared to conventional weight loss diets. The trial is registered at controlled-trials.com, ISRCTN37829376, December 2009.
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Affiliation(s)
- S Sofer
- The Robert H Smith Faculty of Agriculture, Food and Environment, Institute of Biochemistry and Food Science, The Hebrew University of Jerusalem, PO Box 12, Rehovot 76100, Israel
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Causal relationship between adiponectin and metabolic traits: a Mendelian randomization study in a multiethnic population. PLoS One 2013; 8:e66808. [PMID: 23826141 PMCID: PMC3691277 DOI: 10.1371/journal.pone.0066808] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2013] [Accepted: 05/13/2013] [Indexed: 12/21/2022] Open
Abstract
Background Adiponectin, a secretagogue exclusively produced by adipocytes, has been associated with metabolic features, but its role in the development of the metabolic syndrome remains unclear. Objectives We investigated the association between serum adiponectin level and metabolic traits, using both observational and genetic epidemiologic approaches in a multiethnic population assembled in Canada. Methods Clinical data and serum adiponectin level were collected in 1,157 participants of the SHARE/SHARE-AP studies. Participants were genotyped for the functional rs266729 and rs1260326 SNPs in ADIPOQ and GCKR genes. Results Adiponectin level was positively associated with HDL cholesterol and negatively associated with body mass index, waist-to-hip ratio, triglycerides, fasting glucose, fasting insulin, systolic and diastolic pressure (all P<0.002). The rs266729 minor G allele was associated with lower adiponectin and higher HOMA-IR (P = 0.004 and 0.003, respectively). The association between rs266729 SNP and HOMA-IR was no longer significant after adjustment for adiponectin concentration (P = 0.10). The rs266729 SNP was associated with HOMA-IR to an extent that exceeded its effect on adiponectin level (0.15 SD 95% C.I. [0.06, 0.24], P<0.001). There was no significant interaction between rs266729 SNP and ethnicity on adiponectin or HOMA-IR. In contrast, the SNP rs1260326 in GCKR was associated with HOMA-IR (P<0.001), but not with adiponectin level (P = 0.67). Conclusion The association of the functional promoter polymorphism rs266729 with lower serum adiponectin and increased insulin resistance in diverse ethnic groups may suggest a causal relationship between adiponectin level and insulin resistance.
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Aguilar MJ, González-Jiménez E, Antelo A, Perona JS. Insulin resistance and inflammation markers: correlations in obese adolescents. J Clin Nurs 2012; 22:2002-10. [PMID: 23216620 DOI: 10.1111/jocn.12034] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/11/2012] [Indexed: 12/12/2022]
Abstract
AIMS AND OBJECTIVES To ascertain whether inflammation markers also correlate with parameters related to insulin resistance and the metabolic syndrome in a group of adolescents. BACKGROUND Obesity is now considered a chronic low-grade inflammatory process, characterised by alterations in the systemic concentrations of some inflammation markers. Adiponectin, leptin and other inflammatory proteins have been shown to correlate with insulin resistance and the metabolic syndrome in adults. DESIGN Cross-sectional study in two groups of obese and normal weight adolescents. METHODS Serum levels of adiponectin, leptin, ceruloplasmin and insulin levels were determined and correlated among them and with anthropometric parameters, blood pressure body mass index and body mass index z-score. RESULTS Waist circumference, body mass index and blood pressure values correlated significantly with both homoeostasis model assessment for insulin resistance and insulin levels. Ceruloplasmin also correlated with both parameters with a high level of significance. However, leptin levels did not correlate with either homoeostasis model assessment for insulin resistance or insulin, and adiponectin correlated with homoeostasis model assessment for insulin resistance but not insulin. All inflammation markers studied correlated with the body mass index z-score. These correlations were stronger in the group of obese individuals compared to lean ones. CONCLUSIONS We found a relationship between insulin resistance and some inflammation in adolescents, which was particularly strong in obese individuals and was associated with the development of metabolic syndrome. Among the inflammation markers studied, ceruloplasmin revealed as a potential string marker of insulin resistance in obese adolescents. RELEVANCE TO CLINICAL PRACTICE The results obtained in this study imply a significant advance in the field of clinical practice of nursing. The adequate understanding by nursing personnel of the inflammatory processes inherent to obesity constitutes a key factor for the prevention of the disease and its complications in adolescents.
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Affiliation(s)
- María J Aguilar
- Department of Nursing, Faculty of Health Science, University of Granada, Granada, Spain
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Sofer S, Eliraz A, Kaplan S, Voet H, Fink G, Kima T, Madar Z. Greater weight loss and hormonal changes after 6 months diet with carbohydrates eaten mostly at dinner. Obesity (Silver Spring) 2011; 19:2006-14. [PMID: 21475137 DOI: 10.1038/oby.2011.48] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
This study was designed to investigate the effect of a low-calorie diet with carbohydrates eaten mostly at dinner on anthropometric, hunger/satiety, biochemical, and inflammatory parameters. Hormonal secretions were also evaluated. Seventy-eight police officers (BMI >30) were randomly assigned to experimental (carbohydrates eaten mostly at dinner) or control weight loss diets for 6 months. On day 0, 7, 90, and 180 blood samples and hunger scores were collected every 4 h from 0800 to 2000 hours. Anthropometric measurements were collected throughout the study. Greater weight loss, abdominal circumference, and body fat mass reductions were observed in the experimental diet in comparison to controls. Hunger scores were lower and greater improvements in fasting glucose, average daily insulin concentrations, and homeostasis model assessment for insulin resistance (HOMA(IR)), T-cholesterol, low-density lipoprotein (LDL) cholesterol, high-density lipoprotein (HDL) cholesterol, C-reactive protein (CRP), tumor necrosis factor-α (TNF-α), and interleukin-6 (IL-6) levels were observed in comparison to controls. The experimental diet modified daily leptin and adiponectin concentrations compared to those observed at baseline and to a control diet. A simple dietary manipulation of carbohydrate distribution appears to have additional benefits when compared to a conventional weight loss diet in individuals suffering from obesity. It might also be beneficial for individuals suffering from insulin resistance and the metabolic syndrome. Further research is required to confirm and clarify the mechanisms by which this relatively simple diet approach enhances satiety, leads to better anthropometric outcomes, and achieves improved metabolic response, compared to a more conventional dietary approach.
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Affiliation(s)
- Sigal Sofer
- The Robert H. Smith Faculty of Agriculture, Food and Environment, Institute of Biochemistry and Food Science, The Hebrew University of Jerusalem, Rehovot, Israel
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Riestra P, García-Anguita A, Lasunción MA, Cano B, de Oya M, Garcés C. Relationship of adiponectin with metabolic syndrome components in pubertal children. Atherosclerosis 2011; 216:467-70. [DOI: 10.1016/j.atherosclerosis.2011.02.031] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2010] [Revised: 01/05/2011] [Accepted: 02/20/2011] [Indexed: 12/20/2022]
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Jürimäe T, Jürimäe J, Leppik A, Tafeit E, Kums T. Relationships between adiponectin, leptin, and blood lipids in physically active postmenopausal females. Am J Hum Biol 2010; 22:609-12. [DOI: 10.1002/ajhb.21052] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
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Mente A, Razak F, Blankenberg S, Vuksan V, Davis AD, Miller R, Teo K, Gerstein H, Sharma AM, Yusuf S, Anand SS. Ethnic variation in adiponectin and leptin levels and their association with adiposity and insulin resistance. Diabetes Care 2010; 33:1629-34. [PMID: 20413520 PMCID: PMC2890372 DOI: 10.2337/dc09-1392] [Citation(s) in RCA: 135] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
OBJECTIVE To investigate ethnic differences in adiponectin and leptin concentration and to determine whether these adipokines and a high-glycemic index diet account for ethnic variation in insulin resistance. RESEARCH DESIGN AND METHODS In 1,176 South Asian, Chinese, Aboriginal, and European Canadians, fasting blood samples were drawn, and clinical history and dietary habits including glycemic index/glycemic load were recorded using standardized questionnaires. Insulin resistance was defined using homeostasis model assessment-insulin resistance (HOMA-IR). RESULTS Adiponectin concentrations were significantly higher in Europeans (adjusted mean 12.94 [95% CI 2.27-13.64]) and Aboriginal people (11.87 [11.19-12.59]) than in South Asians (9.35 [8.82-9.92]) and Chinese (8.52 [8.03-9.03]) (overall P < 0.001). Serum leptin was significantly higher in South Asians (11.82 [10.72-13.04]) and Aboriginal people (11.13 [10.13-12.23]) than in Europeans (9.21 [8.38-10.12]) and Chinese (8.25 [7.48-9.10]). BMI and waist circumference were inversely associated with adiponectin in every group except the South Asians (P < 0.001 for interaction). Adiponectin was inversely and leptin was positively associated with HOMA-IR (P < 0.001). The increase in HOMA-IR for each given decrease in adiponectin was larger among South Asians (P = 0.01) and Aboriginal people (P < 0.001) than among Europeans. A high glycemic index was associated with a larger decrease in adiponectin among South Asians (P = 0.03) and Aboriginal people (P < 0.001) and a larger increase in HOMA-IR among South Asians (P < 0.05) relative to that in other groups. CONCLUSIONS South Asians have the least favorable adipokine profile and, like the Aboriginal people, display a greater increase in insulin resistance with decreasing levels of adiponectin. Differences in adipokines and responses to glycemic foods parallel the ethnic differences in insulin resistance.
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Affiliation(s)
- Andrew Mente
- Population Health Research Institute, Hamilton Health Sciences, McMaster University, Hamilton, Ontario, Canada
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Schoppen S, Riestra P, García-Anguita A, López-Simón L, Cano B, de Oya I, de Oya M, Garcés C. Leptin and adiponectin levels in pubertal children: relationship with anthropometric variables and body composition. Clin Chem Lab Med 2010; 48:707-11. [DOI: 10.1515/cclm.2010.142] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Gotoh N, Nagao K, Onoda S, Shirouchi B, Furuya K, Nagai T, Mizobe H, Ichioka K, Watanabe H, Yanagita T, Wada S. Effects of three different highly purified n-3 series highly unsaturated fatty acids on lipid metabolism in C57BL/KsJ-db/db mice. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2009; 57:11047-11054. [PMID: 19848389 DOI: 10.1021/jf9026553] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Triglycerides (TG) consisting of highly purified (>97%) n-3 series highly unsaturated fatty acids, eicosapentaenoic acid (EPA), docosapentaenoic acid (DPA), and docosahexaenoic acid (DHA), were administered to C57BL/KsJ-db/db mice for 4 weeks by pair-feeding to compare their effects on lipid metabolism and to evaluate the effects of DPA on lipid metabolism. The hepatic TG level and total amount was decreased by treatment with DHA and DPA compared to the control. The efficacy of DPA was greater than that of EPA, but less than that of DHA. In contrast, EPA had the greatest serum TG reducing effect. The hepatic cytosol fraction of the DHA-treated group contained the lowest fatty acid synthase (FAS) and malic enzyme (ME) activity levels. Furthermore, the DHA-treated group contained the highest serum adiponectin concentrations. These findings indicate that the strong hepatic TG-lowering effect of DHA is due to the suppression of TG synthesis. The same tendencies were observed in DPA-treated mice, and the effect was stronger than that observed in EPA-treated mice, but equivalent to that observed in DHA-treated mice. Based on these results, DPA possesses lipid metabolism-improving effects. The beneficial effects of DPA for lipid metabolism were not superior to those of EPA and DHA, and the effect was always intermediate between those of EPA and DHA.
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Affiliation(s)
- Naohiro Gotoh
- Department of Food Science and Technology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato-ku, Tokyo 108-8477, Japan
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