. . . . . . . "[Certain polymorphisms in the neuronal nitric oxide synthase gene (NOS1) are associated MDD.Furthermore, state variations (e.g. decreased levels of essential co-factor, 5,6,7,8-tetrahydrobiopterin [BH4], enhanced microglial cell activity) in the NO signaling pathway are associated with an increased risk of developing MDD.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2017-02-19"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2017-10-17T13:15:01+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .