Submitted: 12 Mar 2016
Revised: 19 Aug 2016
Accepted: 29 Aug 2016
First published online: 26 Sep 2016
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J Cardiovasc Thorac Res. 2016;8(3):107-112.
doi: 10.15171/jcvtr.2016.23
PMID: 27777695
PMCID: PMC5075358
  Abstract View: 620
  PDF Download: 809

Original Article

Association of ghrelin with cardiometabolic risk factors in Iranian adolescents: the CASPIAN-III study

Ramin Heshmat 1, Gita Shafiee 1, Mostafa Qorbani 2,3 * , Fatemeh Azizi-Soleiman 4, Shirin Djalalinia 5, Mohammad Esmaeil Motlagh 6, Gelayol Ardalan 4, Zeinab Ahadi 1, Omid Safari 7, Saeid Safiri 8, Roya Kelishadi 4 *

1 Chronic Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
2 Department of Community Medicine, Alborz University of Medical Sciences, Karaj, Iran
3 Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
4 Department of Pediatrics, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
5 Development of Research & Technology Center, Deputy of Research and Technology, Ministry of Health and Medical Education, Tehran, Iran
6 Department of Pediatrics, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
7 Department of Pediatrics, Alborz University of Medical Sciences, Karaj, Iran
8 Managerial Epidemiology Research Center, Department of Public Health, School of Nursing and Midwifery, Maragheh University of Medical Sciences, Maragheh, Iran

Abstract

Introduction: Current evidence suggests that ghrelin could contribute to the development of metabolic syndrome (MetS) in adults, but limited experience exists in adolescents. This study aims to explore the association of ghrelin levels with the MetS components among Iranian adolescents.
Methods: In this case-control study, 32 adolescents with MetS and 148 healthy controls were selected randomly from the childhood and Adolescence Surveillance and Prevention of Adult Non communicable disease (CASPIAN-III) study. MetS was defined according to the Adult Treatment Panel III (ATP III) criteria modified for children and adolescents. Anthropometric measures (including body mass index [BMI], waist circumference [WC] and waist to height ratio [WHtR]), blood pressure (BP) and biochemical data (including fasting blood sugar [FBS], triglyceride [TG], high-density lipoprotein cholesterol [HDL-C], low-density lipoprotein cholesterol [LDL-C], total cholesterol [TC] and gerlin) were measured.
Results: Total ghrelin level was significantly higher in students without MetS compared to those with MetS (748.89 ± 85.04 vs. 728.72 ± 90.36 [pg/mL]; P < 0.001). Significant negative correlations were seen between ghrelin levels and BMI, WC, WHtR, TG, and TC. Ghrelin had also relatively strong inverse correlations with FBS (r = −0.59, P < 0.001), LDL-C (r = −0.56, P < 0.001), and positive correlation with HDL-C (r = 0.60, P < 0.001). Compared with the children with MetS, in those without MetS, ghrelin was significantly associated with HDL-C and LDL-C. A decreasing trend was observed in the mean ghrelin level across increasing number of MetS components (P for trend <0.001).
Conclusion: We observed a relationship between ghrelin concentration and MetS components in adolescents.
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