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Updated: Sep 9, 2025

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Developing a Rat Model for Bipolar Disorder
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第一次性双極性障害におけるチロトロピン濃度と臨床的現象型との関連: 系統的レビューとメタ解析
Elisa Gatta1,2, Virginia Maltese1, Francesco Dondi3
1Department of Clinical and Experimental Sciences, SSD Endocrinologia, University of Brescia, ASST Spedali Civili, Brescia, Italy.
Frontiers in endocrinology
|September 2, 2025
まとめ
甲状腺刺激ホルモン (TSH) レベルは,前回の薬物使用未経験の双極性障害 (BD) の患者では,対照群と比較して低い. 鬱病のフェノタイプは,躁病のフェノタイプよりも高いTSHレベルを示します.
科学分野:
- 神経内分泌学
- 精神科
- 生物化学
背景:
- 甲状腺ホルモンは脳の機能に不可欠です.
- 甲状腺刺激ホルモン (TSH) と双極性障害 (BD) の間の特定の関係については,さらなる解明が必要である.
- この関連性を理解すると,BDの病理生理学と治療に関する洞察が得られます.
研究 の 目的:
- BDにおけるTSHレベルに関する既存の文献を体系的にレビューし,合成する.
- TSHレベルとBD現象型 (躁病とうつ病) の関連性を調査する.
- 双極性障害の重度における TSH の役割を明らかにする.
主な方法:
- PubMed/MEDLINE,Scopus,Web of Scienceで広範な文献検索が行われました.
- 研究はPICOの基準に基づいて選択され,第一エピソード,薬物ナビBD患者のTSHレベルと対照群および躁鬱症とうつ病のフェノタイプの違いに焦点を当てた.
- 1946人のBD患者と400人の対照群を対象とした17の研究が含まれており,QUADAS-2を用いて品質を評価した.
主要な成果:
- 最初のエピソードでは,薬剤未使用のBD患者は,健康な対照群と比較して血清のTSH濃度が有意に低かった (SMD = - 0. 395 mIU/ L).
- BDコホートの中で,うつ病性フェノタイプ (n=494) を有する患者は,躁病性フェノタイプ (SMD=0. 575 mIU/ L) を有する患者よりも高いTSHレベルを示した.
結論:
- 血清のTSHレベルは双極性障害の発症と臨床表現に影響するようです.
- TSH調節を標的としたさらなる介入研究,特にBDを有するEuthyroid個体において,推奨される.
- TSH調節は双極性障害の管理のための新しい治療法を表すかもしれません.
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