Introduction: Evidence from various epidemiological and clinical studies suggests that iron overload is proinflammatory and proatherosclerotic. Excess body iron has been positively associated with insulin resistance, type 2 diabetes and obesity.
Aim of the study: To study the relationship of body iron stores with type 2 diabetes and obesity in middle aged North Indian population.
Materials and methods: The participant population consisted of four groups of randomly selected participants (between 40 and 65 years of age and postmenopausal women); Group A: Normal individuals (controls), Group B: Obese nondiabetic individuals, Group C: Lean diabetic patients, Group D: Obese diabetic patients. Blood was examined for hematological, biochemical estimations, C-reactive protein, and serum ferritin (SF).
Observation and results: A total of 197 participants were enrolled. The mean SF levels (ng/ml) among males were: Group A (n = 18) 148.56 ± 119.90; Group B (n = 25) 129.11 ± 94.77; Group C (n = 27) 127.96 ± 109.65 and Group D (n = 22) 148.36 ± 104.94. The mean SF levels (ng/ml) among females were: Group A (n = 23) 67.44 ± 37.59; Group B (n = 25) 59.62 ± 43.56; Group C (n = 24) 77.97 ± 91.46 and Group D (n = 33) 66.46 ± 86.05. No statistical difference was found among the groups in both the sexes.
Conclusions: Our observation is in sharp contrast to the earlier studies published from the West stressing that iron stores are increased in obesity and diabetes. We conclude that SF may not be a strong risk factor in the pathogenesis of obesity and diabetes in middle aged North Indians.
Keywords: Diabetes; obesity; serum ferritin.