Jingwi and colleagues conducted an association study on 446 AA men from the AA Sporadic PCa study (AAPCA) and the vitamin D and PCa Risk in AA Men study including participants aged 35-93 years from the metropolitan area in Washington D.C. Data revealed VDR SNPs, rs731236 and rs7975232, to be significantly associated with PCa risk. The gene discussed is VDR; the disease is posterior cortical atrophy.