. "brain-derived neurotrophic factor (BDNF) [hgnc:1033]" . . . "brain-derived neurotrophic factor (BDNF)" . "hgnc:1033" . "BDNF" . "http://www.genenames.org/data/hgnc_data.php?hgnc_id=HGNC:1033" . . . "brain-derived neurotrophic factor" . "Approved" . "gene with protein product" . . "1991-01-15" . "2008-02-05" . . "Standard" . . . . . . . . . . . . "AB038670" . . "'neurotrophin'" .