Concentrations of leptin, adiponectin and other metabolic parameters in non-obese children with Down syndrome
-
Nikhil Tenneti
,
Sheetal Sharda
Abstract
Background:
Recent data indicates that adults with Down syndrome (DS) are at increased risk for cardiovascular disease (CVD) that significantly contributes to their morbidity and mortality. Although identification of cardiometabolic risk factors during childhood is desirable to design preventive interventions, the data on such risk factors in children with DS is scarce. The aim of this study was to study the cardiometabolic risk factors such as insulin resistance (IR), leptin and adiponectin concentrations, lipid abnormalities and leptin resistance in non-obese children with DS.
Methods:
This cross-sectional case control study included karyotype confirmed trisomy-21 DS children aged 2–12 years and their matched healthy controls. After detailed anthropometry, weight, height and body mass index (BMI) standard deviation scores (SDSs) were calculated with reference data. Laboratory evaluation included determination of fasting lipid parameters, insulin, glucose, leptin and adiponectin concentrations. The homeostasis model assessment method (HOMA-IR) was used to assess IR and the ratio of leptin to BMI was used as an index of leptin resistance.
Results:
Seventy-seven children (39 with DS and 38 controls) comprised the study cohort. The anthropometric parameters were similar in the two groups. Children with DS showed significantly higher mean leptin concentrations (2.098±1.68 ng/mL vs. 1.44±0.52 ng/mL, p-value: 0.00) and higher indices of leptin resistance (0.127±0.085 vs. 0.09±0.03, p-value: 0.001) as compared to controls. Fasting adiponectin concentrations were lower (20.64±19.87 ng/mL vs. 32.58±34.25 ng/mL, p-value: 0.21) and fasting glucose higher (89.25±8.12 mg/dL vs. 85.71±5.52 mg/dL, p-value: 0.06) in the DS group as compared to the controls but the differences did not reach statistical significance. The concentrations of insulin, various lipid parameters and calculated HOMA-IR values were similar in the two groups. In the DS group, five children were identified to have high (>75th centile) leptin levels and four as impaired fasting glucose as compared to none in the controls.
Conclusions:
Alterations of several cardiometabolic risk factors, in particular, leptin concentrations and leptin resistance are present in children with DS. The presence of hyperleptinemia without hyperinsulinemia suggests a probable inherent genetic basis for increased leptin resistance in patients with DS. There is a need for larger studies to further understand increased leptin resistance in DS that may contribute to increased CVD related morbidity and mortality in these patients.
Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None declared.
Employment or leadership: None declared.
Honorarium: None declared.
Competing interests: The funding organization(s) played no role in the study design; in the collection, analysis, and interpretation of data; in the writing of the report; or in the decision to submit the report for publication.
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©2017 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Editorial
- Endocrine aspects in cystic fibrosis
- Original Articles
- A retrospective analysis of longitudinal changes in bone mineral content in cystic fibrosis
- Cystic-fibrosis related-diabetes (CFRD) is preceded by and associated with growth failure and deteriorating lung function
- Partial clinical remission in type 1 diabetes: a comparison of the accuracy of total daily dose of insulin of <0.3 units/kg/day to the gold standard insulin-dose adjusted hemoglobin A1c of ≤9 for the detection of partial clinical remission
- Concentrations of leptin, adiponectin and other metabolic parameters in non-obese children with Down syndrome
- Parent reported nutritional risk and laboratory indices of cardiometabolic risk and in preschool-aged children
- Multinodular goiter in children: treatment controversies
- Atopy as a risk factor for subclinical hypothyroidism development in children
- Mutation analysis of the NKX2.5 gene in Iranian pediatric patients with congenital hypothyroidism
- Health-related quality of life among children with Turner syndrome: controlled cross-sectional study
- Growth and pubertal patterns in young survivors of childhood acute lymphoblastic leukemia
- Clinical features and genotyping of patients with primary carnitine deficiency identified by newborn screening
- Letter to the Editor
- Sensitivity and specificity of cystic fibrosis-related diabetes screening methods: which test should be the reference method?
- Case Reports
- Type 1 rhizomelic chondrodysplasia punctata with a homozygous PEX7 mutation
- Severe hypertriglyceridemia at new onset type 1 diabetes mellitus
- 45,X/46,XY ovotesticular disorder of sex development revisited: undifferentiated gonadal tissue may be mistaken as ovarian tissue
- MRI in medium-chain acyl-coenzyme a dehydrogenase deficiency: neuroimaging during the first month
Artikel in diesem Heft
- Frontmatter
- Editorial
- Endocrine aspects in cystic fibrosis
- Original Articles
- A retrospective analysis of longitudinal changes in bone mineral content in cystic fibrosis
- Cystic-fibrosis related-diabetes (CFRD) is preceded by and associated with growth failure and deteriorating lung function
- Partial clinical remission in type 1 diabetes: a comparison of the accuracy of total daily dose of insulin of <0.3 units/kg/day to the gold standard insulin-dose adjusted hemoglobin A1c of ≤9 for the detection of partial clinical remission
- Concentrations of leptin, adiponectin and other metabolic parameters in non-obese children with Down syndrome
- Parent reported nutritional risk and laboratory indices of cardiometabolic risk and in preschool-aged children
- Multinodular goiter in children: treatment controversies
- Atopy as a risk factor for subclinical hypothyroidism development in children
- Mutation analysis of the NKX2.5 gene in Iranian pediatric patients with congenital hypothyroidism
- Health-related quality of life among children with Turner syndrome: controlled cross-sectional study
- Growth and pubertal patterns in young survivors of childhood acute lymphoblastic leukemia
- Clinical features and genotyping of patients with primary carnitine deficiency identified by newborn screening
- Letter to the Editor
- Sensitivity and specificity of cystic fibrosis-related diabetes screening methods: which test should be the reference method?
- Case Reports
- Type 1 rhizomelic chondrodysplasia punctata with a homozygous PEX7 mutation
- Severe hypertriglyceridemia at new onset type 1 diabetes mellitus
- 45,X/46,XY ovotesticular disorder of sex development revisited: undifferentiated gonadal tissue may be mistaken as ovarian tissue
- MRI in medium-chain acyl-coenzyme a dehydrogenase deficiency: neuroimaging during the first month
