Relationship between leptin expression and tumor

Leptin, a protein product encoded by the obese gene, has relationship with the regulation of the metabolism. This compound has been implicated for the regulation of energy balance, fat metabolism and has an important part in neural endocrinology and reproductive system and hematogenous system. Leptin has relations with many tumors diseases. It implies that leptin will be acted as a new tumor marker has an important role in early diagnoses of the tumors.