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Increased C-reactive protein and decreased Interleukin-2 content in serum from obese individuals with or without insulin resistance: Associations with leukocyte count and insulin and adiponectin content.
Diabetes & Metabolic Syndrome 2016 January
AIMS: Chronic inflammation in obesity is associated with co-morbidities such as, hyperglycemia, hypertension and hyperlipidemia. Leukocytes play an important role in this inflammation and C-reactive protein (CRP) and Interleukin-2 (IL-2) can be important effectors during the immune response in obesity; however, the initial inflammatory events in obesity remain unclear. The aim of this study was to determine the circulating levels of CRP, IL-2, insulin and adiponectin, their association and the association with leukocyte count in obese individuals without co-morbidities and with or without insulin resistance (IR).
MATERIALS AND METHODS: Nineteen obese non-diabetic and 9 lean subjects were studied for serum levels of CRP, IL-2, insulin, adiponectin, lipids, glycated hemoglobin, glycemia, for homeostasis model assessment of insulin resistance (HOMA-IR), arterial pressure and anthropometric parameters, and for leukocyte counts. Neutrophil/lymphocyte ratio (N/L) was calculated using the loge of leukocyte counts. Associations were determined by Pearson's correlation.
RESULTS: None of the studied groups presented co-morbidities and two groups of obese individuals with normal or high levels of insulin (IR) were found. Increased CRP concentration and decreased IL-2 and adiponectin concentrations in obese were observed. Positive correlation between leukocyte type counts with CRP in obese with IR was found; however, no correlations with IL-2 in obese were observed. Insulin in obese were positively correlated with CRP and negatively correlated with IL-2 in IR obese individuals. Adiponectin in obese was negatively correlated with CRP.
CONCLUSION: CRP and IL-2 may represent two important effectors in the early inflammatory events in obese individuals without co-morbidities. Adiponectin and insulin may be involved in anti-inflammatory events.
MATERIALS AND METHODS: Nineteen obese non-diabetic and 9 lean subjects were studied for serum levels of CRP, IL-2, insulin, adiponectin, lipids, glycated hemoglobin, glycemia, for homeostasis model assessment of insulin resistance (HOMA-IR), arterial pressure and anthropometric parameters, and for leukocyte counts. Neutrophil/lymphocyte ratio (N/L) was calculated using the loge of leukocyte counts. Associations were determined by Pearson's correlation.
RESULTS: None of the studied groups presented co-morbidities and two groups of obese individuals with normal or high levels of insulin (IR) were found. Increased CRP concentration and decreased IL-2 and adiponectin concentrations in obese were observed. Positive correlation between leukocyte type counts with CRP in obese with IR was found; however, no correlations with IL-2 in obese were observed. Insulin in obese were positively correlated with CRP and negatively correlated with IL-2 in IR obese individuals. Adiponectin in obese was negatively correlated with CRP.
CONCLUSION: CRP and IL-2 may represent two important effectors in the early inflammatory events in obese individuals without co-morbidities. Adiponectin and insulin may be involved in anti-inflammatory events.
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