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  1. 学位論文
  2. 博士論文（医学）
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Oxytocin-induced increase in N,N-dimethylglycine and time course of changes in oxytocin efficacy for autism social core symptoms

http://hdl.handle.net/10271/00004202
http://hdl.handle.net/10271/00004202
ca41379f-0fe9-40f9-87ba-1bb6124dc882
名前 / ファイル ライセンス アクション
DT_885ronbun.pdf 論文本文 (1.3 MB)
Item type 学位論文 / Thesis or Dissertation(1)
公開日 2022-11-18
タイトル
タイトル Oxytocin-induced increase in N,N-dimethylglycine and time course of changes in oxytocin efficacy for autism social core symptoms
言語 en
言語
言語 eng
キーワード
主題 Asperger
キーワード
主題 Autism
キーワード
主題 Clinical trial
キーワード
主題 Developmental disorders
キーワード
主題 Facial expression
キーワード
主題 Metabolomics
キーワード
主題 Neuropeptide
キーワード
主題 N,N-Dimethylglycine
キーワード
主題 Oxytocin
キーワード
主題 Plasticity
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_db06
資源タイプ doctoral thesis
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
その他のタイトル
その他のタイトル オキシトシンに誘発されたN,Nジメチルグリシンの上昇と自閉スペクトラム症の社会的中核症状に対するオキシトシンの有効性の経時変化
著者 加藤, 康彦

× 加藤, 康彦

ja 加藤, 康彦
Search repository
書誌情報 en : Molecular Autism

巻 12, p. 15, 発行日 2021-02-23
出版者
出版者 Springer Nature
言語 en
権利
言語 en
権利情報 Copyright The Author(s) 2021.
権利
言語 en
権利情報 This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creat iveco mmons .org/licen ses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creat ivecommons .org/publi cdoma in/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.
抄録
内容記述タイプ Abstract
内容記述 Background: Oxytocin is expected as a novel therapeutic agent for autism spectrum disorder (ASD) core symptoms. However, previous results on the efficacy of repeated administrations of oxytocin are controversial. Recently, we reported time-course changes in the efficacy of the neuropeptide underlying the controversial effects of repeated administration; however, the underlying mechanisms remained unknown.
Methods: The current study explored metabolites representing the molecular mechanisms of oxytocin’s efficacy using high-throughput metabolomics analysis on plasma collected before and after 6-week repeated intranasal administration of oxytocin (48 IU/day) or placebo in adult males with ASD (N=106) who participated in a multicenter, parallel-group, double-blind, placebo-controlled, randomized controlled trial.
Results: Among the 35 metabolites measured, a significant increase in N,N-dimethylglycine was detected in the subjects administered oxytocin compared with those given placebo at a medium effect size (false discovery rate (FDR) corrected P=0.043, d=0.74, N=83). Furthermore, subgroup analyses of the participants displaying a prominent time-course change in oxytocin efficacy revealed a significant effect of oxytocin on N,N-dimethylglycine levels with a large effect size (PFDR=0.004, d=1.13, N=60). The increase in N,N-dimethylglycine was significantly correlated with oxytocin-induced clinical changes, assessed as changes in quantifiable characteristics of autistic facial expression, including both of improvements between baseline and 2 weeks (PFDR=0.006, r=?0.485, N=43) and deteriorations between 2 and 4 weeks (PFDR=0.032, r=0.415, N=37).
Limitations: The metabolites changes caused by oxytocin administration were quantified using peripheral blood and therefore may not directly reflect central nervous system changes.
Conclusion: Our findings demonstrate an association of N,N-dimethylglycine upregulation with the time-course change in the efficacy of oxytocin on autistic social deficits. Furthermore, the current findings support the involvement of the N-methyl-D-aspartate receptor and neural plasticity to the time-course change in oxytocin’s efficacy.
言語 en
学位名
学位名 博士（医学）
学位の区分
内容記述 doctoral
学位の分野
内容記述 医学系研究科
学位授与機関
学位授与機関識別子Scheme kakenhi
学位授与機関識別子 13802
学位授与機関名 浜松医科大学
学位授与年月日
学位授与年月日 2021-09-17
学位授与番号
学位授与番号 甲第885号
EISSN
収録物識別子タイプ EISSN
収録物識別子 2040-2392
PubMed番号
識別子タイプ PMID
関連識別子 33622389
出版社DOI
識別子タイプ DOI
関連識別子 https://doi.org/10.1186/s13229-021-00423-z
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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