In the recent years immunotherapy has gained important role in cancer management. Immunostimulating effects of thymus-derived peptides on carcinogenesis have been actively studied in both animals and humans. Gc protein derived macrophage-activating factor (GcMAF) was found to have potent effect on macrophage phagocytic activity. Immunostimulating effects of GcMAF and peptides of thymus can be e...

Background and Objectives: Day-shift taxi drivers have a long duration of direct sun exposure. However, the efficiency of this occupational exposure in vitamin D synthesis has not been addressed yet. The aim of this study was to assess the vitamin D status of taxi drivers in Tehran, and examine vitamin D status association with some anthropometric and circulating biomarkers. Materials and Meth...

Peter Baer Galvin is the Chief Technologist for Corporate Technologies, a premier systems integrator and VAR (www.cptech.com). Before that, Peter was the systems manager for Brown University’s Computer Science Department. He has written articles and columns for many publications and is coauthor of the Operating Systems Concepts and Applied Operating Systems Concepts textbooks. As a consultant a...

Background and Objectives: Vitamin D deficiency/insufficiency is a global health problem. The importance of this problem is doubled in growing children because of their increased need for skeletal growth. This investigation was performed firstly to assess vitamin D status, and secondly to examine its possible relationship with sex, residing area and duration of sun exposure in 9-12 years old ch...