Experimental diabetes research · 2012
Correlation between blood activin levels and clinical parameters of type 2 diabetes.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Wu Hui, Wu Michael, Chen Yi, Allan Carolyn A, Phillips David J, Hedger Mark P
Аннотация
AIMS: Activins A and B, and their binding protein, follistatin, regulate glucose metabolism and inflammation. Consequently, their role in type 2 diabetes (T2D) was examined.
METHODS: Blood was taken from fasted participants (34 males; 58 females; 50-75 years) with diabetes or during an oral glucose tolerance test (OGTT). Clinical parameters were assessed, and blood assayed for activins, follistatin, and C-reactive protein.
RESULTS: Serum levels of activin A (93.3 ± 27.0 pg/mL, mean ± SD), B (81.8 ± 30.8 pg/mL), or follistatin (6.52 ± 3.15 ng/mL) were not different (P > 0.05) between subjects with normal OGTT (n = 39), impaired glucose tolerance and/or fasting glucose (n = 17), or T2D (n = 36). However, activin A and/or activin B were positively correlated with parameters of insulin resistance and T2D, including fasting glucose (P < 0.001), fasting insulin (P = 0.02), glycated hemoglobin (P = 0.003), and homeostasis model assessment of insulin resistance (HOMA-IR; P < 0.001). Follistatin was positively correlated with HOMA-IR alone (P = 0.01).
CONCLUSIONS: These data indicate that serum measurements of activin A, B, or follistatin cannot discriminate risk for T2D in individual patients, but the activins display a positive relationship with clinical parameters of the disease.
METHODS: Blood was taken from fasted participants (34 males; 58 females; 50-75 years) with diabetes or during an oral glucose tolerance test (OGTT). Clinical parameters were assessed, and blood assayed for activins, follistatin, and C-reactive protein.
RESULTS: Serum levels of activin A (93.3 ± 27.0 pg/mL, mean ± SD), B (81.8 ± 30.8 pg/mL), or follistatin (6.52 ± 3.15 ng/mL) were not different (P > 0.05) between subjects with normal OGTT (n = 39), impaired glucose tolerance and/or fasting glucose (n = 17), or T2D (n = 36). However, activin A and/or activin B were positively correlated with parameters of insulin resistance and T2D, including fasting glucose (P < 0.001), fasting insulin (P = 0.02), glycated hemoglobin (P = 0.003), and homeostasis model assessment of insulin resistance (HOMA-IR; P < 0.001). Follistatin was positively correlated with HOMA-IR alone (P = 0.01).
CONCLUSIONS: These data indicate that serum measurements of activin A, B, or follistatin cannot discriminate risk for T2D in individual patients, but the activins display a positive relationship with clinical parameters of the disease.