Effect of zinc on biochemical parameters and changes in related gene expression assessed by cDNA microarrays in pituitary of growing rats.

Objective: The present study simultaneously investigated the effects of different zinc (Zn) levels on the growth performance and relative biochemical parameters in growing rats and analyzed the molecular mechanism of zinc influencing food intake.

Methods: Three diets with different Zn levels--Zn adequate (ZA; 35.94 mg/kg, control), Zn deficient (ZD; 3.

[The therapeutic efficacy for ED patients treated with low dosage of PGE1].

Objectives: To evaluate the efficacy of intrameatal application of low dosage alprostadil (PGE1) cream (300 mcg) for the treatment of erectile dysfunction (ED).

Methods: A total of 43 ED patients were selected in the study based on the inclusion criteria. All of the patients signed informed consent forms and entered a 4-week open-label clinical study.