scholarly journals High molecular weight adiponectin levels are inversely associated with adiposity in pediatric brain tumor survivors

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Rebecca Ronsley ◽  
Shahrad Rod Rassekh ◽  
Adam Fleming ◽  
Brianna Empringham ◽  
William Jennings ◽  
...  
Keyword(s):  
Molecular Weight ◽  
High Molecular Weight ◽  
Cardiometabolic Risk ◽  
Active Form ◽  
Pediatric Brain Tumor ◽  
Biologically Active ◽  
Central Adiposity ◽  
High Molecular Weight Adiponectin ◽  
Hmw Adiponectin ◽  
Partial Correlations

Abstract While children with brain tumors are surviving at record rates, survivors are at risk of cardiovascular disease and type 2 diabetes mellitus; these conditions may be driven by excess body fat. Adiponectin in an adipokine that is inversely associated with the fat mass, and has been linked to cardiometabolic risk stratification in the general population. However, adiponectin’s profile and determinants in SCBT have not been established. We tested the hypothesis that high molecular weight (HMW) adiponectin levels, the more biologically active form of adiponectin, were associated with adiposity in SCBT similarly to non-cancer controls. Seventy-four SCBT (n = 32 female) and 126 controls (n = 59 female) who were 5–17 years old were included. Partial correlations and multivariable regression analyses assessed the relationship between HMW adiponectin and adiposity. HMW adiponectin was inversely associated with total and central adiposity (FM%: β − 0.21, 95% CI − 0.15, − 0.08; p value < 0.0001; WHR: β − 0.14, 95% CI − 0.02, − 0.01; p value < 0.0001 ;WHtR: β − 0.21, 95% CI − 0.05, − 0.03; p value < 0.0001). In conclusion, HMW adiponectin is inversely correlated with adiposity in SCBT. Adiponectin may serve as a biomarker of cardiometabolic risk and response to interventions to prevent and manage obesity and its comorbidities in SCBT.

scholarly journals Circulating high-molecular-weight adiponectin is upregulated in preeclampsia and is related to insulin sensitivity and renal function

2008 ◽  
Vol 158 (2) ◽  
pp. 197-201 ◽  
Author(s):  
Mathias Fasshauer ◽  
Theresa Waldeyer ◽  
Jeannette Seeger ◽  
Susanne Schrey ◽  
Thomas Ebert ◽  
...  
Keyword(s):  
Molecular Weight ◽  
Renal Function ◽  
Insulin Sensitivity ◽  
High Molecular Weight ◽  
Active Form ◽  
Biologically Active ◽  
Serum Concentrations ◽  
High Molecular Weight Adiponectin ◽  
Hmw Adiponectin ◽  
Total Adiponectin

ObjectivePreeclampsia (PE) is a serious cardiovascular complication in pregnancy which is associated with an increased future metabolic and cardiovascular risk for mother and newborn. Recently, a paradoxical upregulation of the insulin-sensitizing and anti-atherogenic adipokine adiponectin has been shown in PE. Furthermore, high-molecular-weight (HMW) adiponectin has been suggested as the biologically active form of this adipokine.Design and methodsHMW adiponectin and total adiponectin serum concentrations were quantified by ELISA in PE (n=16) patients and pregnant control women without PE (n=20). Furthermore, HMW adiponectin and total adiponectin were correlated to clinical and biochemical measures of renal function, glucose, and lipid metabolism, as well as inflammation.ResultsMedian maternal HMW adiponectin and total adiponectin levels were significantly and independently upregulated almost twofold in PE when compared with controls. HMW adiponectin and total adiponectin correlated positively with creatinine and negatively with fasting insulin in univariate and multivariate analyses.ConclusionsWe show that maternal HMW adiponectin and total adiponectin serum concentrations are significantly increased in PE and are positively associated with markers of insulin sensitivity and renal dysfunction. Adiponectin might be part of a physiological feedback mechanism improving insulin sensitivity and cardiovascular health in PE.

Measurement of high-molecular-weight adiponectin is not useful in assessing coronary stenosis

2012 ◽  
Vol 50 (4) ◽  
Author(s):  
Takuya Imatoh ◽  
Motonobu Miyazaki ◽  
Ken Kadowaki ◽  
Shinichi Tanihara ◽  
Chinami Akashi ◽  
...  
Keyword(s):  
Molecular Weight ◽  
High Molecular Weight ◽  
Coronary Stenosis ◽  
Active Form ◽  
Surrogate Marker ◽  
Area Under The Curve ◽  
High Molecular Weight Adiponectin ◽  
Cross Sectional ◽  
Hmw Adiponectin ◽  
Total Adiponectin

AbstractIn many studies, high-molecular-weight (HMW) adiponectin has been considered the active form of adiponectin. However, whether HMW adiponectin is a good surrogate marker for coronary artery disease still needs to be elucidated.We conducted a hospital-based cross-sectional study to examine the relationship between total, HMW or non-HMW adiponectin concentrations and coronary stenosis in 83 male patients and 138 male controls.Patients with coronary stenosis had significantly lower total adiponectin concentrations compared with controls. Non-HMW adiponectin concentrations in cases were significantly lower than the controls. However, there were no significant differences between cases and controls in HMW adiponectin concentrations. From the receiver operating characteristic (ROC) analysis, the area under the curve (AUC) for total and non-HMW adiponectin was significantly larger than that for HMW adiponectin concentrations. Of the three models, that for non-HMW adiponectin showed the largest AUC (total adiponectin 0.74, HMW adiponectin 0.54, and non-HMW adiponectin 0.79).Despite associations between total adiponectin levels and coronary stenosis, our data go against any apparent association between HMW adiponectin concentrations and coronary stenosis.

scholarly journals Elevated Levels of High-Molecular-Weight Adiponectin in Type 1 Diabetes

2008 ◽  
Vol 93 (8) ◽  
pp. 3186-3191 ◽  
Author(s):  
Henrik Leth ◽  
Kristian K. Andersen ◽  
Jan Frystyk ◽  
Lise Tarnow ◽  
Peter Rossing ◽  
...  
Keyword(s):  
Molecular Weight ◽  
Type 1 Diabetes ◽  
High Molecular Weight ◽  
Active Form ◽  
Biologically Active ◽  
Diabetic Patients ◽  
High Molecular Weight Adiponectin ◽  
Total Adiponectin ◽  
Type 1 Diabetic Patients

Abstract Background: Several studies have shown that type 1 diabetic patients have elevated total levels of the adipocyte-derived adipocytokine adiponectin. However, adiponectin circulates in three different subforms, and the high-molecular-weight (HMW) subform is believed to be the primary biologically active form. The effects of the medium-molecular-weight (MMW) subform and the low-molecular-weight (LMW) subform are still unresolved. Purpose: The objective of the study was to investigate the distribution of the three molecular subforms of adiponectin in well-characterized groups of type 1 diabetics with varying degrees of nephropathy as well as in healthy control subjects. Study Population: Two hundred seven individuals were included: 58 type 1 diabetics with normoalbuminuria, 46 with microalbuminuria, 46 with macroalbuminuria, and 57 matched controls. Methods: The HMW, MMW, and LMW subforms were measured using a validated in-house time-resolved immunoflourometric assay after separation by fast protein liquid chromatography. Results: The absolute concentrations of total adiponectin and all subforms were higher in type 1 diabetic patients than healthy controls. However, the relative HMW fraction was up-regulated in type 1 diabetes (P &lt; 0.001), whereas the MMW (P &lt; 0.001) and LMW fractions (P &lt; 0.05) were down-regulated, compared with controls. Accordingly, the increase in concentration of total adiponectin was primarily caused by a major increase of the HMW subform. Levels of total adiponectin and the HMW subform (absolute and relative) were generally unaffected by nephropathy status defined by urinary albumin excretion rate. Conclusion: Type 1 diabetes per se is associated with higher adiponectin levels than healthy subjects. This increase is mainly explained by an elevation in the HMW subform. The elevation is unaffected by gender and diabetic kidney disease.

scholarly journals Linoleic Acid–Rich Oil Supplementation Increases Total and High-Molecular-Weight Adiponectin and Alters Plasma Oxylipins in Postmenopausal Women with Metabolic Syndrome

2020 ◽  
Vol 4 (9) ◽  
Author(s):  
Rachel M Cole ◽  
Sarah Puchala ◽  
Jia-Yu Ke ◽  
Mahmoud Abdel-Rasoul ◽  
Kristin Harlow ◽  
...  
Keyword(s):  
Metabolic Syndrome ◽  
Molecular Weight ◽  
Linoleic Acid ◽  
High Molecular Weight ◽  
Oil Consumption ◽  
Open Label ◽  
High Molecular Weight Adiponectin ◽  
Markers Of Inflammation ◽  
Hmw Adiponectin ◽  
Total Adiponectin

ABSTRACT Background The onset of menopause increases the risk of metabolic syndrome (MetS). Adiponectin is an adipokine associated with insulin sensitivity that is lower in people with MetS. Supplementing diets with linoleic acid (LA)-rich oil increased adiponectin concentrations and improved glucose control in women with type 2 diabetes. The effect of LA on adipokines, especially total and the bioactive form of adiponectin, high-molecular-weight (HMW) adiponectin, in women with MetS is unknown. Objectives The aim of this study was to explore the effect of supplementation of the diet with an oil rich in LA on adipokines in women with MetS. The effect of the LA-rich oil (LA-oil) on oxylipins, key metabolites that may influence inflammation and metabolism, was also explored. Methods In this open-label single-arm pilot study, 18 postmenopausal nondiabetic women with MetS enrolled in a 2-phase study were instructed to consume LA-rich vegetable oil (10 mL/d) as part of their habitual diets. Women consumed an oleic acid–rich oil (OA-oil) for 4 wk followed by an LA-oil for 16 wk. Fasting concentrations of adipokines, fatty acids, oxylipins, and markers of glycemia and inflammation were measured. Results After 4 wk of OA-oil consumption, fasting glucose and total adiponectin concentrations decreased whereas fasting C-reactive protein increased. After 16 wk of LA-oil supplementation total and HMW adiponectin and plasma oxylipins increased. Markers of inflammation and glycemia were unchanged after LA-oil consumption. Conclusions Supplementation with LA-oil increased total and HMW adiponectin concentrations and altered plasma oxylipin profiles. Larger studies are needed to elucidate the links between these changes and MetS. This trial was registered at clinicaltrials.gov as NCT02063165.

scholarly journals Collagen beta (1-O) galactosyltransferase 1 (GLT25D1) is required for the secretion of high molecular weight adiponectin and affects lipid accumulation

2017 ◽  
Vol 37 (3) ◽  
Author(s):  
Julie A. Webster ◽  
Zhe Yang ◽  
Yu-Hee Kim ◽  
Dorothy Loo ◽  
Rasha M. Mosa ◽  
...  
Keyword(s):  
Molecular Weight ◽  
High Molecular Weight ◽  
Lipid Accumulation ◽  
Post Translational Modification ◽  
High Fat ◽  
High Molecular Weight Adiponectin ◽  
Human Embryonic Kidney Cells ◽  
Hmw Adiponectin ◽  
Hek Cells ◽  
Sgbs Cells

Secretion of high molecular weight (HMW) adiponectin is dependent on post-translational modification (PTM) of conserved lysines in the collagenous domain. The present study aims to characterize the enzymes responsible for the PTM of conserved lysines which leads to HMW adiponectin secretion, and to define its significance in relation to obesity. Collagen beta (1-O) galactosyltransferase 1 (GLT25D1) was knocked down in HEK cells modified for the stable expression of adiponectin (adiponectin expressing human embryonic kidney cells, Adipo-HEK) as well as in Simpson Golabi-Behmel-Syndrome (SGBS) adipocytes. Knockdown of GLT25D1 caused a significant decrease in HMW adiponectin in Adipo-HEK cells with no change in total adiponectin. Knockdown in the SGBS cells caused an increase in lipid accumulation yet inhibited adipogenesis. Co-immunoprecipitation with adiponectin and mass spectrometry showed that adiponectin formed a protein complex with lysyl hydroxylase 3 (LH3) and GLT25D1. Transient overexpression of GLT25D1 showed that the intracellular retention of LH3 was dependent on GLT25D1. To determine whether changes in GLT25D1 were significant in obesity, mice were fed a standard chow or high-fat diet (HFD) for 5 weeks. GLT25D1 was significantly decreased in mice fed HFD which coincided with a decrease in HMW adiponectin. We conclude that GLT25D1 regulates HMW adiponectin secretion and lipid accumulation, consistent with changes in mice after high-fat feeding. These results suggest a novel function of GLT25D1 leading to decreased HMW adiponectin secretion in early obesity.

scholarly journals Correlation of High-Molecular-Weight Adiponectin and Leptin Concentrations with Anthropometric Parameters and Insulin Sensitivity in Newborns

2014 ◽  
Vol 2014 ◽  
pp. 1-6 ◽  
Author(s):  
Jia Zheng ◽  
Xinhua Xiao ◽  
Qian Zhang ◽  
Lili Mao ◽  
Ming Li ◽  
...  
Keyword(s):  
Molecular Weight ◽  
Insulin Sensitivity ◽  
Cord Blood ◽  
High Molecular Weight ◽  
Linear Regression Analysis ◽  
Anthropometric Measurements ◽  
Multivariate Linear Regression Analysis ◽  
High Molecular Weight Adiponectin ◽  
College Hospital ◽  
Hmw Adiponectin

Objective. High-molecular-weight adiponectin (HMW-adiponectin) and leptin are two important adipokines. The aim of this study was to examine the association between the two adipokines and anthropometric measurements of neonates at birth. Furthermore, we would like to explore whether HMW-adiponectin and leptin correlate with insulin sensitivity in neonates.Methods. Venous cord blood samples were obtained from 266 full-term healthy neonates consecutively born at Peking Union Medical College Hospital. HMW-adiponectin, leptin, blood glucose, and insulin concentrations were measured.Results. HMW-adiponectin and leptin were significantly higher in females compared with males (P=0.031andP=0.000, resp.). Univariate correlation analysis showed that leptin concentrations in cord blood were positively associated with gestational age, birth weight, body length, ponderal index, placenta weight, insulin, and insulin sensitivity (allP<0.001). However, there was no correlation between cord blood HMW-adiponectin levels and foetal anthropometric measurements or foetal insulin sensitivity indicators (allP>0.05). Multivariate linear regression analysis indicated that leptin (B=-0.126,P=0.045) in cord blood was independently associated with insulin sensitivity.Conclusions. Leptin concentrations, but not HMW-adiponectin, were positively associated with foetal anthropometric measurements. Leptin concentrations are significantly associated with foetal insulin sensitivity, and there were no significant correlations between HMW-adiponectin levels and foetal insulin sensitivity.

scholarly journals Total and High Molecular Weight Adiponectin Levels and Prediction of Cardiovascular Risk in Diabetic Patients

2015 ◽  
Vol 2015 ◽  
pp. 1-6 ◽  
Author(s):  
Dagmar Horáková ◽  
Kateřina Azeem ◽  
Radka Benešová ◽  
Dalibor Pastucha ◽  
Vladimír Horák ◽  
...  
Keyword(s):  
Molecular Weight ◽  
Cardiovascular Risk ◽  
High Molecular Weight ◽  
Binary Logistic Regression ◽  
Binary Logistic Regression Analysis ◽  
Diabetic Patients ◽  
High Molecular Weight Adiponectin ◽  
Hmw Adiponectin ◽  
Total Adiponectin ◽  
Metabolically Healthy

The study aimed at assessing the potential use of lower total and HMW adiponectin levels for predicting cardiovascular risk in patients with type 2 diabetes mellitus (T2DM). Concentrations of total adiponectin or high molecular weight (HMW) adiponectin decrease in association with the development of metabolic dysfunction such as obesity, insulin resistance, or T2DM. Increased adiponectin levels are associated with a lower risk for coronary heart disease. A total of 551 individuals were assessed. The first group comprised metabolically healthy participants (143 females, and 126 males) and the second group were T2DM patients (164 females, and 118 males). Both total adiponectin and HMW adiponectin in diabetic patients were significantly lower when compared with the group of metabolically healthy individuals. There was a weak monotonic correlation between HMW adiponectin levels and triglycerides levels. Binary logistic regression analysis, gender adjusted, showed a higher cardiovascular risk in diabetic persons when both total adiponectin (OR = 1.700) and HMW adiponectin (OR = 2.785) levels were decreased. A decrease in total adiponectin levels as well as a decrease in its HMW adiponectin is associated with a higher cardiovascular risk in individuals with T2DM. This association suggests that adiponectin levels may be potentially used as an epidemiological marker for cardiovascular risk in diabetic patients.

scholarly journals Gender differences in serum high-molecular-weight adiponectin levels in metabolic syndrome

2013 ◽  
Vol 168 (3) ◽  
pp. 385-391 ◽  
Author(s):  
Triin Eglit ◽  
Margus Lember ◽  
Inge Ringmets ◽  
Tarvo Rajasalu
Keyword(s):  
Metabolic Syndrome ◽  
Molecular Weight ◽  
High Molecular Weight ◽  
Adult Population ◽  
Population Based ◽  
Model Assessment ◽  
High Molecular Weight Adiponectin ◽  
Cross Sectional ◽  
Hmw Adiponectin ◽  
Adjusted Logistic Regression

ObjectiveThe objective of this study was to estimate gender-specific associations between metabolic syndrome (MS) and high-molecular-weight (HMW) adiponectin in an Estonian adult population.MethodsPlasma HMW adiponectin was measured in 458 subjects (191 men) who participated in a population-based cross-sectional multicenter study (n=495) on the prevalence of metabolic disorders in Estonia. MS was defined according to National Cholesterol Education Program Adult Treatment Panel III criteria.ResultsMedian HMW adiponectin levels (μg/ml) were significantly lower among all subjects with MS compared with subjects without MS: 2.1 vs 2.8 in men (P=0.002) and 3.1 vs 5.1 in women (P<0.001). In a fully adjusted, logistic regression model containing HMW adiponectin, homeostasis model assessment of insulin resistance (HOMA-IR), BMI, and age, HMW adiponectin was significantly associated with MS only in women. Comparison of HMW adiponectin and HOMA-IR as markers for MS indicated that HOMA-IR predicted MS better than did HMW adiponectin in both genders. However, after adjusting for age and BMI, HOMA-IR was a significantly better predictor only in men. HMW adiponectin and HOMA-IR predicted the presence of MS at the same level in women. Areas under the receiver operating characteristic curves for HMW adiponectin and HOMA-IR were 0.833 vs 0.88 in men (P=0.02) and 0.897 vs 0.907 in women (P=0.5).ConclusionsThese data suggest that the association between low HMW adiponectin levels and presence of MS might be stronger in women compared with men.

scholarly journals Associations between Maternal and Fetal Levels of Total Adiponectin, High Molecular Weight Adiponectin, Selected Somatomedins, and Birth Weight of Infants of Smoking and Non-Smoking Mothers

2020 ◽  
Vol 17 (13) ◽  
pp. 4781 ◽  
Author(s):  
Magdalena Chełchowska ◽  
Joanna Gajewska ◽  
Tomasz M. Maciejewski ◽  
Joanna Mazur ◽  
Mariusz Ołtarzewski ◽  
...  
Keyword(s):  
Molecular Weight ◽  
Birth Weight ◽  
Growth Factor ◽  
Cord Blood ◽  
High Molecular Weight ◽  
Umbilical Cord Blood ◽  
High Molecular Weight Adiponectin ◽  
Hmw Adiponectin ◽  
Total Adiponectin ◽  
Igf I

The aim of the study was to determine the relationships between maternal smoking, total adiponectin, high molecular weight adiponectin (HMW adiponectin), selected somatomedins, and the birth weight of newborns. A total of 78 women with a healthy, singleton pregnancy, 41 active smokers and 37 non-smokers, and their offspring were studied. Total and HMW adiponectin, insulin-like growth factor I (IGF-I), and insulin-like growth factor binding protein-1 (IGFBP-1) and 2 (IGFBP-2) were determined in maternal and cord blood by enzyme-link immunosorbent assay. Serum levels of total and HMW adiponectin were lower in smokers compared to the tobacco abstinent in both the mothers (p = 0.013; p = 0.006) and the infants (p = 0.001; p = 0.047). In smoking women and their children, serum concentrations of IGF-I were significantly lower (p = 0.014; p = 0.042), IGFBP-1 significantly higher (p = 0.009; p = 0.039), and IGFBP-2 did not differ from that observed in the non-smoking group. In multivariate analysis performed on the whole group of mothers, the highest impact of serum cotinine and IGFBP-2 levels were indicated for adiponectin and cotinine and the number of cigarettes/day for HMW adiponectin concentration. In correlation analysis estimated separately for smokers and non-smokers, neonatal birth weight was positively associated with total and HMW adiponectin concentrations in umbilical cord blood. Birth weight was also inversely associated with IGFBP-1 and positively correlated with IGF-I levels in maternal serum as well as in cord blood (r = −0.317, p = 0.005; r = −0.294, p = 0.004; r = 0.245, p = 0.031; r = 0.271, p = 0.009, respectively). The present study showed the levels of total and HMW adiponectin in umbilical cord blood may have a significant effect on fetal development. Both IGF-I and IGFBP-1 concentrations also play an essential role in fetal growth, which is an important predictor of birth weight. Cigarette smoking during pregnancy negatively affected adiponectin and the insulin growth factor profile in the serum of women and the cord blood and may be the reason for the lower birth weight of the smokers newborns compared with the nonsmokers offspring.

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