The International Journal of Romanian Society of Endocrinology / Registered in 1938

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October - December 2011, Volume 7, Issue 4
General Endocrinology

Eizadi M, Afsharmand Z, Behbudi L, Sohaili S

Serum Ghrelin, Insulin and Glucose Levels are Correlated in Patients with Type 2 Diabetes Mellitus

Acta Endo (Buc) 2011, 7 (4): 441-450
doi: 10.4183/aeb.2011.441

Background. The research evidence have suggested that ghrelin, a neuropeptide containing 28 amino acids, plays an\r\nimportant role in glucose homeostasis and its concentration is increased in diabetes.\r\nObjective. To investigate the relationship between the serum levels of ghrelin, insulin, fasting glucose and glycated hemoglobin in patients with type 2 diabetes mellitus.\r\nMaterials and Methods. Fasting glucose, insulin, ghrelin and glycated hemoglobin were measured after a 12-14 hours overnight fasting in 48 adult males with type 2 diabeties. Pearson correlations were used to establish the relationship\r\nbetween ghrelin concentration and other variables. P-value of less than 0.05 was considered statistically significant.\r\nResults. There were no correlations between serum ghrelin and Systolic and diastole blood pressure and body mass index (p<0.05). Serum ghrelin is weakly associated with glycated hemoglobin (p=0.076, R=0.19). Serum ghrelin concentrations were positively correlated with fasting glucose (p=0.005, R=0.40). In addition, ghrelin correlated negatively with\r\nserum insulin (p=0.013, r=-0.36).\r\nConclusion. Our data demonstrate that high ghrelin concentration is accompanied with increase in blood glucose\r\nin type 2 diabetic patients, and support this hypothesis that this neuropeptide plays a pathophysiological role in this disease.

Keywords: Glucose, Insulin, Ghrelin, Diabeties mellitus

Correspondence: Eizadi Mojtaba, Department of Physical Education and Sport Science, Eslamshahr Branch, Islamic Azad University, Eslamshahr, Iran, Tel: +989193551960, Email: