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Glycated albumin is low in obese, non-diabetic children
Rimei Nishimura1, Akira Kanda, Hironari Sano
1Division of Diabetes, Metabolism and Endocrinology, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishishimbashi, Minato-ku, Tokyo 105-8461, Japan. rimei@jikei.ac.jp
Insights
Obese children show higher HbA1c, glucose, and insulin levels but lower glycated albumin (GA). This study is the first to report lower GA in obese, non-diabetic children, necessitating further research.
Area of Science:
- Pediatrics
- Endocrinology
- Metabolic Health
Background:
- Assessing glucose control indices in non-diabetic children is crucial for early detection of metabolic alterations.
- Obesity is a growing concern in pediatric populations, potentially impacting glucose metabolism.
- Understanding variations in glycated albumin (GA), hemoglobin A1c (HbA1c), plasma glucose (PG), and immuno-reactive insulin (IRI) is vital.
Purpose of the Study:
- To evaluate glucose control indices (GA, HbA1c, PG, IRI) in non-diabetic children.
- To compare these indices between obese and non-obese children within a population-based cohort.
- To investigate potential differences in glucose control markers associated with childhood obesity.
Main Methods:
- A population-based cohort study was conducted in Ina town, Saitama Prefecture (2002-2003).
- Glucose control indices including glycated albumin (GA), hemoglobin A1c (HbA1c), plasma glucose (PG), and immuno-reactive insulin (IRI) were measured.
- Data from obese children (n=209) were compared with non-obese children (n=1060).
Main Results:
- Obese children exhibited statistically higher levels of HbA1c, PG, and IRI compared to non-obese children.
- Conversely, obese children showed statistically lower median and interquartile range (IQR) for glycated albumin (GA) (13.6%: 12.6-14.7) than non-obese children (14.3%: 13.5-15.4).
- Lower GA in obese children was attributed to lower absolute GA values, not higher albumin levels.
Conclusions:
- This study is the first to report significantly lower glycated albumin (GA) levels in obese, non-diabetic children.
- Elevated HbA1c, PG, and IRI in obese children suggest altered glucose metabolism.
- Further research, including data collection and experimental approaches, is required to elucidate the mechanisms behind reduced GA in this population.
Abstract:
The current study evaluates the indices of glucose control for diabetics (i.e., glycated albumin (GA), hemoglobin A1c (HbA1c), plasma glucose (PG) and immuno-reactive insulin (IRI)) in non-diabetic children from a population-based cohort, and compares those values according to the presence of obesity to examine any differences in these indices. GA, HbA1c, casual PG and casual IRI in obese children (n = 209) were compared to those of non-obese children (n = 1060) in Ina town, Saitama Prefecture, in 2002-2003. In obese children, the levels of HbA1c, PG and IRI were statistically higher when compared to those of non-obese children. In contrast, the median and intra-quartile range (IQR) of GA of obese children (13.6%: 12.6-14.7) was statistically lower when compared to that of non-obese children (14.3%: 13.5-15.4, p < 0.001). The low GA (%) in obese children is mainly due to the low absolute value of GA (g/dl) rather than a higher albumin value (g/dl). This is the first report to reveal that GA levels are low in obese, non-diabetic children. Additional data collection and an experimental approach are necessary to reveal the reasons behind lower GA levels in obese children.
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