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相关概念视频

Functions of Thyroid Hormones01:18

Functions of Thyroid Hormones

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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...
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Nature and Nurture01:10

Nature and Nurture

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Many human characteristics, like height, are shaped by both nature—in other words, by our genes—and by nurture, or our environment. For example, chronic stress during childhood inhibits the production of growth hormones and consequently reduces bone growth and height. Scientists estimate that 70-90% of variation in height is due to genetic differences among individuals, and 10-30% of variation in height is due to differences in the environments that individuals experience,...
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Study Designs in Epidemiology01:20

Study Designs in Epidemiology

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Epidemiological study designs are fundamental tools for investigating the distribution, determinants, and control of health conditions in populations. They help researchers understand the relationships between exposures and outcomes, and they broadly fall into two categories: "observational" and "experimental" studies.
Observational studies are those where the researcher does not intervene but rather observes natural variations. They include cross-sectional, cohort, and...
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Hormones and Bone Tissue01:17

Hormones and Bone Tissue

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The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is formed, and remodel it.
Hormones That Influence Osteoblasts and/or Maintain the Matrix
Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...
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Pleiotropy01:33

Pleiotropy

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Pleiotropy is the phenomenon in which a single gene impacts multiple, seemingly unrelated phenotypic traits. For example, defects in the SOX10 gene cause Waardenburg Syndrome Type 4, or WS4, which can cause defects in pigmentation, hearing impairments, and an absence of intestinal contractions necessary for elimination. This diversity of phenotypes results from the expression pattern of SOX10 in early embryonic and fetal development. SOX10 is found in neural crest cells that form melanocytes,...
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Regression Toward the Mean01:52

Regression Toward the Mean

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Regression toward the mean (“RTM”) is a phenomenon in which extremely high or low values—for example, and individual’s blood pressure at a particular moment—appear closer to a group’s average upon remeasuring. Although this statistical peculiarity is the result of random error and chance, it has been problematic across various medical, scientific, financial and psychological applications. In particular, RTM, if not taken into account, can interfere when...
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相关实验视频

Updated: May 8, 2025

The Creation of a Rat Model for Osteosarcopenia via Ovariectomy
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甲状腺功能和与皮症相关的特征之间的因果关联:孟德尔的随机化研究.

Ting Sun1, Jialu Wu2, Zhe Yan3

  • 1Department of Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, People's Republic of China.

Hormones (Athens, Greece)
|April 25, 2025
PubMed
概括

甲状腺激素因果关系地影响肉症,自由三甲状腺素 (FT3) 和FT3与FT4的比率是关键指标. 这项门德尔随机化研究提供了有关年龄的肌肉损失和甲状腺功能的见解.

关键词:
在FT3中,FT3是FT3的类型.FT3与FT4的比率是什么肌肉质量 肌肉质量 肌肉质量萨尔科佩尼亚是什么意思 萨尔科佩尼亚甲状腺功能 甲状腺功能

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科学领域:

  • 内分泌学和新陈代谢学
  • 老年学和老年病学 在老年学和老年病学.
  • 人类遗传学 人类遗传学

背景情况:

  • 标志着身体功能受损的萨科佩尼亚,随着全球人口老龄化而增加.
  • 甲状腺功能障碍与萨科佩尼亚的发病有关.

研究的目的:

  • 为了确定甲状腺激素 (TH) 和肉症之间的因果关系.
  • 用两个样本的门德尔随机化 (MR) 分析来研究这种关系.

主要方法:

  • 使用全基因组关联研究 (GWAS) 总结数据进行了两样 MR 研究.
  • 分析了来自甲状腺学联盟 (甲状腺刺激激素[TSH],自由甲状腺素[FT4],自由三甲状腺素[FT3],FT3/FT4比率) 和英国生物银行 (肉类症特征:瘦体,握力,步行节奏) 的数据.
  • 使用逆方差加权 (IVW) 方法和灵敏度分析来评估因果关系.

主要成果:

  • 确定了垂体瘦质 (ALM) 和TSH,FT4,FT3和FT3/FT4比率之间的相关性.
  • 全身瘦肉量 (WBLM) 和TSH水平 (包括低和高TSH) 之间确立的因果关系.
  • 发现了步行节奏与低TSH之间的关联,以及与TSH (包括低TSH) 的握力. 高TSH和FT3水平与右握力有关.

结论:

  • 证实了甲状腺功能和肉症之间的因果关系.
  • 作为重要指标,突出显示了自由三甲氨酸 (FT3) 和FT3与FT4的比率.
  • 建议总三甲氨酸 (TT3) 作为未来研究的潜在领域.