1. Everett BM, Bansal S, Rifai N, Buring JE, Ridker PM. Interleukin-18 and the risk of future cardiovascular disease among initially healthy women. Atherosclerosis 2009; 202(1): 282-8.

2. Freitas Lima LC, Braga VA, do Socorro de França Silva M, Cruz JC, Sousa Santos SH, de Oliveira Monteiro MM, et al. Adipokines, diabetes and atherosclerosis: an inflammatory association. Front Physiol 2015; 6: 304.

3. Kadoglou NP, Vrabas IS, Kapelouzou A, Angelopoulou N. The association of physical activity with novel adipokines in patients with type 2 diabetes. Eur J Intern Med 2012; 23(2): 137-42.

4. Reinehr T, Woelfle J, Roth CL. Lack of association between apelin, insulin resistance, cardiovascular risk factors, and obesity in children: a longitudinal analysis. Metabolism 2011; 60(9): 1349-54.

5. Gualillo O, González-Juanatey JR, Lago F. The emerging role of adipokines as mediators of cardiovascular function: physiologic and clinical perspectives. Trends Cardiovasc Med 2007; 17(8): 275-83.

6. Lee DK, Cheng R, Nguyen T, Fan T, Kariyawasam AP, Liu Y, et al. Characterization of apelin, the ligand for the APJ receptor. J Neurochem 2000; 74(1): 34-41.

7. Castan-Laurell I, Vítkova M, Daviaud D, Dray C, Kováčiková M, Kovacova Z , et al. Effect of hypocaloric diet-induced weight loss in obese women on plasma apelin and adipose tissue expression of apelin and APJ. Eur J Endocrinol 2008; 158(6): 905-10.

8. Kadoglou NP, Tsanikidis H, Kapelouzou A, Vrabas I, Vitta I, Karayannacos PE, et al. Effects of rosiglitazone and metformin treatment on apelin, visfatin, and ghrelin levels in patients with type 2 diabetes mellitus. Metabolism 2010; 59(3): 373-9.

9. Szczepanska-Sadowska E, Cudnoch-Jedrz‌ej‌e‌wska A, Ufnal M, Zera T. Brain and cardio‌vascular diseases: common neurogenic background of cardiovascular, metabolic and inflammatory diseases. J Physiol Pharmacol 2010; 61(5): 509-21.

10. Pedersen BK, Febbraio MA. Muscles, exercise and obesity: skeletal muscle as a sec‌retory organ. Nat Rev Endocrinol 2012; 8(8): 457-65.

11. Beavers KM, Brinkley TE, Nicklas BJ. Effect of exercise training on chronic inflammation. Clin Chim Acta 2010; 411(11-12): 785-93.

12. Nikseresht M, Rajabi H, Nikseresht A. The effects of nonlinear resistance and aerobic interval training on serum levels of apelin and insulin resistance in middle-aged obese men. Tehran Univ Med J 2015; 73(5): 375-83.

13. Heyward VH, Gibson A. Advanced fitness assessment and exercise prescription. 7th ed. Human kinetics; 2014.

14. Jackson AS, Blair SN, Mahar MT, Wier LT, Ross RM, Stuteville JE. Prediction of functional aerobic capacity without exercise testing. Med Sci Sports Exerc 1990; 22(6): 863-70.

15. Matthews CE, Heil DP, Freedson PS, Pastides H. Classification of cardiorespiratory fitness without exercise testing. Med Sci Sports Exerc 1999; 31(3): 486-93.

16. Nikseresht M, Hafezi Ahmadi MR, Hedayati M. Detraining-induced alterations in adipokines and cardiometabolic risk factors after nonlinear periodized resistance and aerobic interval training in obese men. Appl Physiol Nutr Metab 2016; 41(10): 1018-25.

17. Boucher J, Masri B, Daviaud D, Gesta S, Guigné C, Mazzucotelli A, et al. Apelin, a newly identified adipokine up-regulated by insulin and obesity. Endocrinology 2005; 146(4): 1764-71.

18. Daviaud D, Boucher J, Gesta S, Dray C, Guigne C, Quilliot D, et al. TNFα up-regulates apelin expression in human and mouse adipose tissue. FASEB J 2006; 20(9): 1528-30.

19. Heinonen MV, Laaksonen DE, Karhu T, Karhunen L, Laitinen T, Kainulainen S, et al. Effect of diet-induced weight loss on plasma apelin and cytokine levels in individuals with the metabolic syndrome. Nutr Metab Cardiovasc Dis 2009; 19(9): 626-33.

20. Heinonen MV, Purhonen AK, Miettinen P, Pääkkönen M, Pirinen E, Alhava E, et al. Apelin, orexin-A and leptin plasma levels in morbid obesity and effect of gastric banding. Regul Pept 2005; 130(1): 7-13.

21. Soriguer F, Garrido-Sanchez L, Garcia-Serrano S, Garcia-Almeida JM, Garcia-Arnes J, Tinahones FJ, et al. Apelin levels are increased in morbidly obese subjects with type 2 diabetes mellitus. Obes Surg 2009; 19(11): 1574-80.

22. Radovanović S, Kocić S, Gajović G, Radević S, Milosavljević M, Nićiforović J. The impact of body weight on aerobic capacity. Med Glas (Zenica) 2014; 11(1): 204-9.