Evaluation of adipokines in children with cystic fibrosis
Edyta Machura1, Maria Szczepańska, Elżbieta Świętochowska
1Chair and Department of Pediatrics, Medical University of Silesia, School of Medicine with the Division of Dentistry, Poland, ul.3 Maja, 41-800 Zabrze, Poland. machurae@poczta.fm.
Insights
Children with cystic fibrosis (CF) show higher resistin levels and lower adiponectin levels, indicating resistin may be a marker for inflammation and poorer lung function in CF patients.
Area of Science:
- Biochemistry
- Pediatrics
- Pulmonology
Background:
- Cystic Fibrosis (CF) is associated with malnutrition, metabolic disturbances, and chronic inflammation.
- These conditions may influence adipokine concentrations.
Purpose of the Study:
- To investigate serum levels of resistin, apelin, and adiponectin in children with CF.
- To assess the potential of these adipokines as inflammatory markers in CF.
Main Methods:
- Comparison of serum adipokine levels (resistin, apelin, adiponectin) between children with CF and healthy controls.
- Analysis of adipokine ratios (e.g., resistin/BMI, resistin/adiponectin) and their correlation with clinical parameters.
Main Results:
- Children with CF had significantly higher resistin and lower adiponectin levels compared to controls.
- Elevated resistin/BMI and resistin/adiponectin ratios were observed in CF patients.
- Resistin levels and ratios correlated negatively with spirometric parameters like FEV1 and FVC.
Conclusions:
- Increased resistin concentration and related ratios in CF children suggest its involvement in the inflammatory process.
- Resistin may serve as a potential biomarker for airway obstruction severity in cystic fibrosis.
Introduction:
Patients with CF present numerous pathological conditions such as malnutrition, depletion of fat-free mass, metabolic disturbances (abnormal glucose metabolism, increased insulin resistance, chronic energy deficit, local and chronic inflammation), which could affect or be associated with altered adipokines concentration Material and Methods: We aimed in this study to investigate the levels of selected adipokines such as resistin, apelin, adiponectin to demonstrate their application as possible markers of inflammation.
Results:
Serum level of resistin was higher (p < 0.001) and adiponectin - lower (p=0.02) in CF children than in healthy children. There was no difference in serum apelin level between two examined groups. However, values of adiponectin/BMI and apelin/BMI ratios in CF did not differ significantly from controls. Higher values of resistin/BMI ratio in CF in comparison to controls were observed Serum resistin/adiponectin ratio was significantly higher in CF patients than in controls (p < 0.0001). Resistin/BMI ratio correlated negatively with FEV1 (R:-48,p < 0.043). Serum resistin/adiponectin ratio correlated negatively with FEV1/FVC (R:-49, p=0.04), Adipokines showed no correlation with BMI and BMI-SDS, glucose, total cholesterol, and LDL-, HDL-cholesterol, triglyceride serum levels. Spirometric parameters FEV1, FVC, VC correlated negatively with serum glucose levels (R: -0.55, p < 0.018; R: -0.65 p < 0.0025; R:-0.76, p < 0.0008 respectively). FEV1 and FVC correlated positively with BMI-SDS (R:0.58, p < 0.01; R:0.5, p < 0.036, respectively).
Conclusions:
A significant increase in resistin concentration expressed also as resistin/BMI, and resistin/adiponectin ratios, observed in children with CF may suggests that this adipokine is involved in the inflammatory process underlying the disease and is related to worse spirometric parameters describing airways obstruction.
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