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Impact of low-carbohydrate diet on serum levels of leptin and adiponectin levels: a systematic review and meta-analysis in adult. J Diabetes Metab Disord 2022; 21:979-990. [PMID: 35673497 PMCID: PMC9167343 DOI: 10.1007/s40200-021-00952-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Accepted: 12/02/2021] [Indexed: 01/13/2023]
Abstract
Background Various studies have evaluated the effects of low-carbohydrate diet (LCD) on serum concentrations of adipokines. Although the association between LCD and serum levels of leptin and adiponectin has been studied extensively, the results were not consistent. Objective The purpose of this study was to systematically evaluate the effect of LCD on serum levels of leptin and adiponectin. Design Electronic databases were retrieved in PubMed, Embase, Scopus and Web of Science to search relevant publications. Pooled standard mean difference (SMD) with 95% confidence interval (CI) was calculated by the random-effect model. Cochrane Q test and I2 statistic were used to test heterogeneity. Subgroup analysis and meta-regression were applied to assess possible sources of heterogeneity. Results A total of thirty-five articles were included in final analysis. Meta-analysis results revealed no statistical association between LCD and adiponectin concentration (WMD: 0.32 ng/ml, 95% CI: - 0.02, 0.66, p=0.062). Subgroup analysis showed that LCD increased adiponectin concentration in subjects under 45 years old and in studies with long term duration intervention. Also, did not observe a significant effect from the LCD on serum concentration of leptin (WMD: - 0.77 ng/ml, 95% CI: -3.15, 1.61, P=0.409). Subgroup analysis did not show any new information. The results of this study did not support the evidence for the positive effects of LCD on serum leptin and adiponectin levels.
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Blees NR, Wolfswinkel J, Kooistra HS, Corbee RJ. Influence of macronutrient composition of commercial diets on circulating leptin and adiponectin concentrations in overweight dogs. J Anim Physiol Anim Nutr (Berl) 2019; 104:698-706. [PMID: 31880032 PMCID: PMC7078794 DOI: 10.1111/jpn.13285] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 10/11/2019] [Accepted: 11/14/2019] [Indexed: 02/06/2023]
Abstract
Leptin and adiponectin play important roles in obesity‐related inflammation and comorbidities. Previous research suggests that alterations in dietary macronutrient composition can modify circulating leptin and adiponectin concentrations in people, but limited research on this subject has been performed in dogs. This study investigated the effects of commercial high protein (HP), high fat (HF) and high carbohydrate medium protein (HCMP) diets on baseline (T−1) concentrations, post‐prandial peak concentrations and total release in a ten‐hour time span of leptin and adiponectin in dogs, when compared to a maintenance high carbohydrate low protein (HCLP) diet. Thirty‐six overweight dogs were fed the HCLP diet in a one‐week control period, after which the animals were assigned to one of three groups. In three four‐week periods, each group was fed all test diets in a different sequence. At the last day of each period, blood was sampled at one hour before feeding (T−1) and at three (T3), six (T6) and nine (T9) hours after feeding. Feeding caused peak leptin concentrations at T6 and T9 (p < .001). No significant post‐prandial change in adiponectin concentrations was found (p = .056). The HP diet resulted in lower leptin peak concentrations (p = .004) and AUCT−1–T9 (p = .01), but none of the diets influenced baseline leptin concentrations (p = .273). Baseline adiponectin concentrations were lower for the HF diet (p = .018) and HCMP (p < .001), and the HP, HF and HCMP AUCT−1–T9 (p < .001) were lower compared with the HCLP diet. Female dogs had lower adiponectin baseline concentrations (p = .041) and AUCT−1–T9 (p = .023) than male dogs. In conclusion, the HP diet was associated with the lowest post‐prandial peak leptin concentration and the least decrease in adiponectin release, suggesting that a HP diet may improve immune‐metabolic health and post‐prandial satiety in overweight dogs.
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Affiliation(s)
- Niels Roderick Blees
- Department of Clinical Sciences of Companion Animals, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Jeannette Wolfswinkel
- Department of Clinical Sciences of Companion Animals, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Hans Sjoerd Kooistra
- Department of Clinical Sciences of Companion Animals, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Ronald Jan Corbee
- Department of Clinical Sciences of Companion Animals, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
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Dąbrowski R, Wdowiak A, Contreras-Aguilar MD, Franco-Martinez L, Muñoz-Prieto A, Szczubiał M, Martinez-Subiela S, Ceron JJ, Tvarijonaviciute A. Serum and salivary adiponectin dynamics in septic and non-septic systemic inflammation in a canine model. Vet Immunol Immunopathol 2019; 219:109961. [PMID: 31710908 DOI: 10.1016/j.vetimm.2019.109961] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 10/17/2019] [Accepted: 10/22/2019] [Indexed: 11/28/2022]
Abstract
Adiponectin is a 30 kDa protein hormone that has anti-atherogenic properties, being an insulin-sensitizing and anti-inflammatory molecule. Salivary adiponectin concentrations correlate positively with serum, thus, saliva was indicated as appropriate biofluid for its measurement in different clinical situations. However, inflammation was indicated as main confounding factor when evaluating the usefulness and the reliability of determination of salivary adiponectin. The aim of the present report was to evaluate the dynamics of salivary and serum adiponectin in systemic non-septic and septic inflammation using a dogs as a model. Forty bitches were enrolled. Seventeen dogs were healthy (group I, non-septic) and 23 bitches were diagnosed with pyometra (group II, septic). Ovariohysterectomy was performed for all animals. Saliva and blood samples were collected before (D0) and 3 (D3) and 10 (D10) days after ovariohysterectomy. At D0, Group I showed higher serum and salivary adiponectin than group II, although statistical significance was only detected in salivary adiponectin between the two groups at D0 (P = 0.001). In serum, adiponectin was higher on D0 than on D3 and tended to reach pre-surgery values on D10 in both groups. Salivary adiponectin showed similar behaviour to serum in Group I, while in group II salivary adiponectin concentrations were lowest on D0 and tended to increase on D3 and D10. The data obtained in present study describe for the first time the comparative behavior of salivary adiponectin in non-septic and septic inflammation. Salivary, and not serum, adiponectin seemed to mimic better the inflammatory and general health status.
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Affiliation(s)
- Roman Dąbrowski
- Department and Clinic of Animal Reproduction, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, 30 Gleboka St., 20-612, Lublin, Poland.
| | - Anna Wdowiak
- Department and Clinic of Animal Reproduction, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, 30 Gleboka St., 20-612, Lublin, Poland
| | - Maria D Contreras-Aguilar
- Interdisciplinary Laboratory of Clinical Pathology, Iterlab-UMU, Campus of Excellence Mare Nostrum, University of Murcia, 30100, Espinardo, Murcia, Spain
| | - Lorena Franco-Martinez
- Interdisciplinary Laboratory of Clinical Pathology, Iterlab-UMU, Campus of Excellence Mare Nostrum, University of Murcia, 30100, Espinardo, Murcia, Spain
| | - Alberto Muñoz-Prieto
- Interdisciplinary Laboratory of Clinical Pathology, Iterlab-UMU, Campus of Excellence Mare Nostrum, University of Murcia, 30100, Espinardo, Murcia, Spain
| | - Marek Szczubiał
- Department and Clinic of Animal Reproduction, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, 30 Gleboka St., 20-612, Lublin, Poland
| | - Silvia Martinez-Subiela
- Interdisciplinary Laboratory of Clinical Pathology, Iterlab-UMU, Campus of Excellence Mare Nostrum, University of Murcia, 30100, Espinardo, Murcia, Spain
| | - Jose J Ceron
- Interdisciplinary Laboratory of Clinical Pathology, Iterlab-UMU, Campus of Excellence Mare Nostrum, University of Murcia, 30100, Espinardo, Murcia, Spain
| | - Asta Tvarijonaviciute
- Interdisciplinary Laboratory of Clinical Pathology, Iterlab-UMU, Campus of Excellence Mare Nostrum, University of Murcia, 30100, Espinardo, Murcia, Spain
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Damoiseaux C, Merveille AC, Krafft E, Da Costa AM, Gomart S, Jespers P, Michaux C, Clercx C, Verhoeven C, Mc Entee K. Effect of physiological determinants and cardiac disease on plasma adiponectin concentrations in dogs. J Vet Intern Med 2014; 28:1738-45. [PMID: 25311942 PMCID: PMC4895643 DOI: 10.1111/jvim.12433] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2014] [Revised: 06/10/2014] [Accepted: 07/14/2014] [Indexed: 11/27/2022] Open
Abstract
Background In humans, a high concentration of adiponectin is associated with a favorable cardiovascular risk profile whereas, in patients with heart failure (HF), a high concentration of adiponectin is associated with a less favorable prognosis. Hypothesis/Objectives To evaluate the physiological determinants of plasma adiponectin concentration in dogs and the influence of heart disease, myxomatous mitral valve disease (MMVD), and dilated cardiomyopathy (DCM). Animals One hundred and fourteen client‐owned dogs and 9 Beagles from the research colony of the Clinical Veterinary Unit of the University of Liège. Methods We prospectively measured circulating adiponectin concentration in healthy control dogs (n = 77), dogs with MMVD (n = 22) and dogs with DCM (n = 15) of various degrees of severity. Diagnosis was confirmed by Doppler echocardiography. Plasma adiponectin concentration was measured by a canine‐specific sandwich ELISA kit. Results An analysis of covariance showed an association between adiponectin concentration and age, neuter status, and heart disease. No association between adiponectin concentration and class of HF, sex, body condition score, body weight, circadian rhythm, or feeding was found. Plasma adiponectin concentration was negatively correlated with age (P = .001). Adiponectin was lower in neutered (P = .008) compared to intact dogs. Circulating adiponectin concentration was increased in dogs with DCM compared to healthy dogs (P = .018) and to dogs with MMVD (P = .014). Conclusions and Clinical Importance Age and neutering negatively influence circulating adiponectin concentration. Plasma adiponectin concentration increased in dogs with DCM. Additional research is required to investigate if this hormone is implicated in the pathophysiology of DCM and associated with clinical outcome.
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Affiliation(s)
- C Damoiseaux
- Department of Small Animal Clinical Sciences, Faculty of Veterinary Medicine, Université de Liège, Liège, Belgium
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Tvarijonaviciute A, Carrillo-Sanchez JD, García-Martinez JD, Tecles F, Martinez-Subiela S, German AJ, Ceron JJ. Measurement of salivary adiponectin concentrations in dogs. Vet Clin Pathol 2014; 43:416-21. [DOI: 10.1111/vcp.12169] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Asta Tvarijonaviciute
- Departament de Medicina i Cirurgia Animals; Universitat Autònoma de Barcelona; Barcelona Spain
| | - Juana D. Carrillo-Sanchez
- Interdisciplinary Laboratory of Clinical Pathology; Iterlab-UMU; Campus of Excellence Mare Nostrum; University of Murcia; Murcia Spain
| | - Juan D. García-Martinez
- Interdisciplinary Laboratory of Clinical Pathology; Iterlab-UMU; Campus of Excellence Mare Nostrum; University of Murcia; Murcia Spain
| | - Fernando Tecles
- Interdisciplinary Laboratory of Clinical Pathology; Iterlab-UMU; Campus of Excellence Mare Nostrum; University of Murcia; Murcia Spain
| | - Silvia Martinez-Subiela
- Interdisciplinary Laboratory of Clinical Pathology; Iterlab-UMU; Campus of Excellence Mare Nostrum; University of Murcia; Murcia Spain
| | - Alexander J. German
- Department of Obesity and Endocrinology; University of Liverpool; Leahurst Campus; Neston UK
| | - Jose J. Ceron
- Interdisciplinary Laboratory of Clinical Pathology; Iterlab-UMU; Campus of Excellence Mare Nostrum; University of Murcia; Murcia Spain
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