BDNF Polymorphism: A Review of Its Diagnostic and Clinical Relevance in Neurodegenerative Disorders Shen Ting 1 ;You Yuyi 1 ;Joseph Chitra 1 ;Mirzaei Mehdi 2 ;Klistorner Alexander 1, 3 ;L. Graham Stuart 1, 3 ;Gupta Vivek 1 ; 1 Faculty of Medicine and Health Sciences, Macquarie University, Australia ; 2 Faculty of Science and Engineering, Macquarie University, Australia ; 3 Save Sight Institute, Sydney University, Sydney, Australia ; Figure 1. Changes in Brain-derived neurotrophic factor BDNF protein levels and BDNF Val66Met polymorphism as modifiers of neurodegenerative disorders and psychiatric disorders. null,null,0(0),null-null. Doi:10.14336/AD.2017.0717