Polycystic ovary syndrome (PCOS) is a common endocrine and metabolic disorder in adolescents and women of reproductive age and is frequently associated with insulin resistance and an increased risk of metabolic complications. The mechanisms underlying these metabolic abnormalities are not fully understood. Betatrophin (angiopoietin-like protein 8, ANGPTL8) is a liver- and adipose tissue-derived protein involved in lipid and glucose metabolism and has been suggested to be associated with insulin resistance and metabolic stress. This study aims to evaluate serum betatrophin levels in adolescents with PCOS compared with age-matched healthy controls. Adolescents with PCOS will also be categorized according to body mass index (BMI) as normal-weight or overweight to investigate the potential influence of body weight. Additionally, the relationships between betatrophin levels and anthropometric parameters, hormonal profiles, and markers of insulin resistance will be examined.
Study Type
OBSERVATIONAL
Enrollment
90
Measurement of venous blood serum level of betatrophin by ELISA method. These measurements were performed in all groups (Overweight PCOS, Normal-weight PCOS, and Healthy Controls).
Ankara Bilkent City Hospital
Ankara, Not Valid, Turkey (Türkiye)
Serum betatrophin levels
picogram/milliliter
Time frame: Single measurement at baseline
Body mass index
kg/m²
Time frame: Single measurement at baseline
Homeostatic Model Assessment for Insulin Resistance
HOMA-IR was calculated using the formula: (Fasting insulin \[µIU/mL\] × Fasting glucose \[mg/dL\]) / 405 to assess insulin resistance.
Time frame: Single measurement at baseline
Fasting glucose
mg/dL
Time frame: Single measurement at baseline
Fasting insulin
µIU/mL
Time frame: Single measurement at baseline
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