Aim: To evaluate effects of Danhong Huayu Koufuye (DHK, a Chinese medicinal formulae) alone or combined with metformin on diabetic retinopathy (DR) in Zucker diabetic fatty (ZDF) rats, an animal model of obese type-2 diabetes, and then to investigate the mechanisms.
Methods: ZDF (fa/fa) rats were administered with vehicle (distilled water), metformin, DHK, and DHK plus metformin. Electrophysiological and histological analysis were applied to evaluated effects of DHK alone or combined with metformin on DR.
Objective: To investigate effects of Danhong Huayu Koufuye (DHK), insulin and their combination on diabetic cardiomyopathy (DC) in streptozotocin (STZ, 50 mg/kg, ip)-induced diabetic rats.
Methods: Rats were divided into five groups: normal control, diabetic treated with vehicle, insulin, DHK, and DHK plus insulin. The animals were treated once daily for 15 weeks starting one week after STZ injection.