甲状腺機能低下症の甲状腺ホルモン感受性における閉塞性睡眠時無呼吸と性別特異的関連
Beini Zhou1, Yixuan Wang1, Yuhan Wang1
1Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, 238 Jiefang Street, 430060, Wuhan, China.
Biology of sex differences
|January 8, 2026
まとめ
閉塞性睡眠時無呼吸(OSA)は、甲状腺機能低下症の女性において甲状腺ホルモン感受性の低下と関連しているが、男性では関連していない。これは、影響を受けた女性における甲状腺軸機能の潜在的な亜臨床的異常を示唆している。
科学分野:
- 内分泌学
- 睡眠医学
- 代謝性疾患
背景:
- 閉塞性睡眠時無呼吸(OSA)と甲状腺ホルモン感受性の間の相互作用はよく理解されていない。
- 甲状腺ホルモン感受性指標は、標準的なホルモンレベルの評価を超えて、亜臨床的な視床下部-下垂体-甲状腺(HPT)軸機能障害の洞察を提供する可能性がある。
研究 の 目的:
- 閉塞性睡眠時無呼吸(OSA)の重症度と様々な甲状腺ホルモン感受性指標との関連を調査すること。
- OSAと甲状腺ホルモン感受性の関係における潜在的な性別特異的差異を検討すること。
主な方法:
- 一晩の睡眠モニタリングを受けた718人の甲状腺機能正常成人を対象とした分析。
- TSHI、TFQI、PTFQI、TT4RI、TT3RI、およびFT3/FT4比などの指標を用いた中枢および末梢甲状腺ホルモン感受性の評価。
- 性別層別化モデルおよび年齢とBMIを調整した共分散分析(ANCOVA)および多変量線形回帰を含む統計分析。
主要な成果:
- 女性では、OSAは非OSA個人と比較して、FT4の上昇、TFQI、PTFQI、TSHI、TT4RIの増加、およびFT3/FT4比の低下と関連していた。
- 女性では、TFQIおよびTT4RIは、OSA重症度の増加と正の相関を示した。
- OSAは、女性におけるTFQI、PTFQI、TSHI、およびTT4RIの上昇と独立して関連していた。
- 無呼吸低呼吸指数(AHI)および酸素飽和度低下指数(ODI)はTT4RIと相関していた。
- 男性では有意な関連は見られなかった。
結論:
- 閉塞性睡眠時無呼吸は、甲状腺機能正常女性における中枢および末梢甲状腺ホルモン感受性の低下と関連していた。
- これらの所見は甲状腺機能正常男性では観察されず、性別特異的な関係を示唆していた。
関連する概念動画
Sleep Apnea
469
Sleep apnea is a condition where breathing stops intermittently during sleep, often leading to significant health issues. Each episode can last from 10 to 20 seconds or more and is frequently accompanied by a brief arousal from sleep. This disturbance, largely unnoticed by the individual, can lead to severe daytime fatigue. Commonly, individuals seek help after being informed by their partners about loud snoring and noticeable breathing pauses during sleep.
The condition is more prevalent among...
The condition is more prevalent among...
469
Synthesis and Regulation of Thyroid Hormones
7.1K
Low blood levels of the thyroid hormones — triiodothyronine (T3) and thyroxine (T4) — signal the hypothalamus to release the thyrotropin-releasing hormone (TRH). TRH then reaches the pituitary gland and stimulates the release of thyroid-stimulating hormone(TSH) into the bloodstream.
Upon reaching the thyroid gland, TSH stimulates the follicular cells' active uptake of iodide ions from the blood. The ions diffuse to the apical surface of the cells and are oxidized to iodine. The...
Upon reaching the thyroid gland, TSH stimulates the follicular cells' active uptake of iodide ions from the blood. The ions diffuse to the apical surface of the cells and are oxidized to iodine. The...
7.1K
Functions of Thyroid Hormones
5.0K
The thyroid hormone (TH) plays a pivotal role in the intricate orchestration of physiological processes, exerting profound effects on development, metabolism, and homeostasis throughout different life stages.
TH is indispensable for the normal development and maturation of the skeletal, muscular, and nervous systems during fetal and childhood growth. It facilitates bone mineral turnover and regulates protein synthesis in developing tissues, contributing significantly to overall growth and...
TH is indispensable for the normal development and maturation of the skeletal, muscular, and nervous systems during fetal and childhood growth. It facilitates bone mineral turnover and regulates protein synthesis in developing tissues, contributing significantly to overall growth and...
5.0K
Major Hormones and Their Functions
1.7K
Hormones, the biochemical messengers produced by endocrine glands, are pivotal in regulating bodily functions and maintaining homeostasis. Each hormone's balance is crucial; imbalances can lead to significant physiological disruptions. Major hormones include oxytocin, cortisol, epinephrine, estrogen, testosterone, thyroxine, growth hormone, insulin, and glucagon.
Oxytocin, produced in the hypothalamus and released by the pituitary gland, plays a role in social bonding, childbirth, and...
Oxytocin, produced in the hypothalamus and released by the pituitary gland, plays a role in social bonding, childbirth, and...
1.7K
Other Pulmonary Disorders
1.5K
Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.
1.5K
The Thyroid Gland
6.6K
The thyroid gland is a small, butterfly-shaped gland located in the neck and covers the anterior surface of the trachea. The gland has two lateral lobes connected by a thin tissue mass called the isthmus. Internally, each lobe comprises many small spherical structures known as thyroid follicles, surrounded by a network of blood vessels.
The follicles have a central cavity lined by simple cuboidal to squamous epithelial cells called follicular cells. These cells produce the glycoprotein...
The follicles have a central cavity lined by simple cuboidal to squamous epithelial cells called follicular cells. These cells produce the glycoprotein...
6.6K


