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Unhealthy Phenotype as Indicated by Salivary Biomarkers: Glucose, Insulin, VEGF-A, and IL-12p70 in Obese Kuwaiti Adolescents

Objective. Here, we investigated the relationships between obesity and the salivary concentrations of insulin, glucose, and 20 metabolic biomarkers in Kuwaiti adolescents. Previously, we have shown that certain salivary metabolic markers can act as surrogates for blood concentrations. Methods. Saliv...

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Main Authors: Mor-Li Hartman (Author), J. Max Goodson (Author), Ping Shi (Author), Jorel Vargas (Author), Tina Yaskell (Author), Danielle Stephens (Author), Maryann Cugini (Author), Hatice Hasturk (Author), Roula Barake (Author), Osama Alsmadi (Author), Sabiha Al-Mutawa (Author), Jitendra Ariga (Author), Pramod Soparkar (Author), Jawad Behbehani (Author), Kazem Behbehani (Author), Francine Welty (Author)
Format: Book
Published: Hindawi Limited, 2016-01-01T00:00:00Z.
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Summary:Objective. Here, we investigated the relationships between obesity and the salivary concentrations of insulin, glucose, and 20 metabolic biomarkers in Kuwaiti adolescents. Previously, we have shown that certain salivary metabolic markers can act as surrogates for blood concentrations. Methods. Salivary samples of whole saliva were collected from 8,317 adolescents. Salivary glucose concentration was measured by a high-sensitivity glucose oxidase method implemented on a robotic chemical analyzer. The concentration of salivary insulin and 20 other metabolic biomarkers was assayed in 744 randomly selected saliva samples by multiplexed bead-based immunoassay. Results. Obesity was seen in 26.5% of the adolescents. Salivary insulin predicting hyperinsulinemia occurred in 4.3% of normal-weight adolescents, 8.3% of overweight adolescents, and 25.7% of obese adolescents (p<0.0001). Salivary glucose predicting hyperglycemia was found in only 3% of obese children and was not predictive (p=0.89). Elevated salivary glucose and insulin occurring together was associated with elevated vascular endothelial growth factor and reduced salivary interleukin-12. Conclusion. Considering the surrogate nature of salivary insulin and glucose, this study suggests that elevated insulin may be a dominant sign of metabolic disease in adolescent populations. It also appears that a proangiogenic environment may accompany elevated glucose in obese adolescents.
Item Description:2090-0708
2090-0716
10.1155/2016/6860240

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