2von Sobbe HU, Koebnick C, Jenne L, et al. Leptin concentrations in semen are correlated with serum leptin and elevated in hypergonadotrophic hypogonadism. Andrologia 2003; 35(4): 233-237.
3Glander H J, Lammert A, Paasch U, et al. Leptin exists in tubuli seminiferi and in seminal plasma. Andrologia 2002; 34(4): 227-233.
4Mounzih K, Lu R, Chehab FF. Leptin treatment rescues the sterility of genetically obese ob/ob males. Endocrinology 1997; 138(3): 1190-1193.
5Turner TT. The study of varicocele through the use of animal models. Hum Reprod Update 2001; 7(1): 78-84.
6Bado A, Levasseur S, Attoub S, et al. The stomach is a source of leptin. Nature 1998; 394(6695): 790-793.
7Naughton CK, Nangia AK, Agarwal A.Pathophysiology of varicoceles in male infertility. Hum Reprod Update 2001 ; 7(5): 473-481.
8Gat Y, Zukerman Z, Chakraborty J, et al. Varicocele,hypoxia and male infertility. Fluid Mechanics analysis of the impaired testicular venous drainage system. Hum Reprod 2005; 20(9): 2614-2619.
9Grosfeld A, Andre J, Hauguel-De Mouzon S, et al. Hypoxia-inducible factor 1 transactivates the human leptin gene promoter. J Biol Chem 2002; 277(45): 42953-42957.
10Kilinc F, Kayaselcuk F, Aygun C, et al. Experimental varicocele induces hypoxia inducible factor-1 alpha, vascular endothelial growth factor expression and angiogenesis in the rat testis. J Uro12004; 172(3): 1188-1191.
