LEP and breast carcinoma: In a different study, of 114 breast carcinoma samples, a slight overexpression of leptin was observed in 79.8% and ObR-b in 85.1%; a strong positive expression was seen in 21.1% (leptin) and 11.4% (ObR-b) of the samples, independently of age, menopausal condition, pathological type, and ER or PR status.