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Myostatin and carbohydrate disturbances
Yavor S Assyov1, Tsvetelina V Velikova2, Zdravko A Kamenov1
1a Clinic of Endocrinology , University Hospital "Alexandrovska", Medical University , Sofia , Bulgaria.
Endocrine Research
|June 30, 2016
Summary
Serum myostatin levels increase with worsening carbohydrate tolerance, indicating a role in type 2 diabetes development. Higher myostatin is linked to poorer metabolic health markers.
Area of Science:
- Endocrinology
- Metabolic Research
- Biochemistry
Background:
- Myostatin, a myokine, inhibits muscle growth and negatively impacts metabolism.
- Understanding myostatin's role in carbohydrate metabolism disturbances is crucial.
Purpose of the Study:
- To compare serum myostatin levels across the spectrum of carbohydrate tolerance, from normal glucose tolerance to type 2 diabetes.
- To investigate the association of myostatin with metabolic risk factors.
Main Methods:
- 159 participants were stratified into normal glucose tolerance (NGT), prediabetes (PreDM), and type 2 diabetes mellitus (T2D).
- Oral glucose tolerance testing assessed glucose tolerance.
- Serum myostatin quantified via ELISA.
Main Results:
- Serum myostatin levels were significantly elevated in T2D, followed by PreDM, and lowest in NGT (p < 0.05).
- Myostatin positively correlated with fasting plasma glucose, HOMA-IR, hepatic enzymes, uric acid, and FINDRISC scores.
- Receiver operating characteristic (ROC) analysis confirmed myostatin's utility in differentiating T2D.
Conclusions:
- Serum myostatin levels rise with declining carbohydrate tolerance.
- Myostatin is associated with established markers of poor metabolic health.
- These findings support myostatin's involvement in type 2 diabetes pathogenesis.
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