Modulation of the immune system is one of the principal roles of Vitamin D, for which the effects are exerted via the vitamin D receptor (VDR). Importantly, variants in the VDR gene have been susceptible in the past to raise the risk of asthma in several populations. These effects of VDR allelic markers remain speculative in the Chinese Han population.
Key Laboratory for Experimental Teratology of the Ministry of Education, Department of Medical Genetics, Shandong University School of Medicine, Jinan, Shandong, PR China. ahlem_sa@hotmail.com
