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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク PDE4B ： ウィキペディア英語版 PDE4B cAMP-specific 3',5'-cyclic phosphodiesterase 4B is an enzyme that in humans is encoded by the ''PDE4B'' gene.〔(【引用サイトリンク】 url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=5142 )〕 This gene is a member of the type IV, cyclic AMP (cAMP)-specific, cyclic nucleotide phosphodiesterase (PDE) family. Cyclic nucleotides are important second messengers that regulate and mediate a number of cellular responses to extracellular signals, such as hormones, light, and neurotransmitters. The cyclic nucleotide phosphodiesterases (PDEs) regulate the cellular concentrations of cyclic nucleotides and thereby play a role in signal transduction. This gene encodes a protein that specifically hydrolyzes cAMP. Alternate transcriptional splice variants, encoding different isoforms, have been characterized.〔 ==Clinical relevance== Altered activity of this protein has been associated with schizophrenia and bipolar disorder.〔 PDE4B is believed to be the PDE4 subtype involved in the antipsychotic effects of PDE4 inhibitors such as rolipram. PDE4B is involved in dopamine-associated and stress-related behaviours. It has also recently been implicated in Alzheimer's disease.〔http://newsdaily.com/2015/08/scientists-researching-brain-disorders-create-super-clever-mice/〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「PDE4B」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.