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相关概念视频

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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The Parathyroid Glands00:59

The Parathyroid Glands

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The two pairs of parathyroid glands embedded within the posterior surface of the thyroid gland are restricted by a dense capsule around them. These glands comprise two distinct cell populations—parathyroid oxyphil and parathyroid principal cells- pivotal in calcium homeostasis.
Oxyphil cells, whose functions remain elusive, emerge during late puberty, adding a layer of complexity to the parathyroid gland's intricacies. In contrast, principal parathyroid cells undertake a vital role by...
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Bone Disorders01:29

Bone Disorders

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Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
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Bone Remodeling01:40

Bone Remodeling

40.2K
Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
40.2K
Skeleton and Calcium Homeostasis01:21

Skeleton and Calcium Homeostasis

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Calcium is not only the most abundant mineral in bone but also the most abundant mineral in the human body. Calcium ions are needed for bone mineralization, tooth health, heart rate regulation and strength of contraction, blood coagulation, the contraction of smooth and skeletal muscle cells, and the regulation of nerve impulse conduction. The average calcium level in the blood is about 10 mg/dL. When the body cannot maintain this level, a person will experience hypo or hypercalcemia.
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What is the Skeletal System?01:02

What is the Skeletal System?

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Overview
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相关实验视频

Updated: Jan 9, 2026

Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy
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Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy

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在一次性副甲状腺功能障碍症中发生的骨疾病.

Efthymia Karlafti1, Irene Lambrinoudaki2, Ioannis Vlamis3

  • 1Laboratory for Research of the Musculoskeletal System 'Th. Garofalidis', Medical School, National and Kapodistrian University of Athens, KAT General Hospital, Kifissia, Athens, Greece.

Journal of musculoskeletal & neuronal interactions
|December 1, 2025
PubMed
概括
此摘要是机器生成的。

初级甲状腺功能障碍症 (PHPT) 破坏骨微型结构,增加骨折风险,即使骨密度正常. 需要新的诊断工具来评估PHPT患者的骨脆弱性.

关键词:
骨疾病 骨疾病骨折风险 骨折风险 骨折风险 骨折风险主要的副甲状腺功能障碍症.

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Two Techniques to Create Hypoparathyroid Mice: Parathyroidectomy Using GFP Glands and Diphtheria-Toxin-Mediated Parathyroid Ablation
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Two Techniques to Create Hypoparathyroid Mice: Parathyroidectomy Using GFP Glands and Diphtheria-Toxin-Mediated Parathyroid Ablation

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Establishment of a Simple and Effective Rat Model for Intraoperative Parathyroid Gland Imaging
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Establishment of a Simple and Effective Rat Model for Intraoperative Parathyroid Gland Imaging

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相关实验视频

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Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy
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Two Techniques to Create Hypoparathyroid Mice: Parathyroidectomy Using GFP Glands and Diphtheria-Toxin-Mediated Parathyroid Ablation
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Two Techniques to Create Hypoparathyroid Mice: Parathyroidectomy Using GFP Glands and Diphtheria-Toxin-Mediated Parathyroid Ablation

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科学领域:

  • 内分泌学 在内分泌学.
  • 骨的新陈代谢 骨的新陈代谢
  • 骨疾病 骨疾病

背景情况:

  • 原发性副甲状腺炎症 (PHPT) 是一种内分泌疾病,由于过多的副甲状腺激素 (PTH) 导致高血症.
  • 在PHPT中,骨矿物质密度 (BMD) 可能看起来正常,特别是在腰椎.
  • 在PHPT中,微妙但显著的骨微型结构变化发生,影响皮层和椎骨.

研究的目的:

  • 为了突出PHPT对骨微型架构的代谢效应.
  • 为了解决骨质量测量与PHPT中骨折风险增加之间的差异.
  • 在PHPT中强调需要先进的诊断方法来诊断骨脆弱性.

主要方法:

  • 使用外围定量计算断层扫描 (pQCT) 和高分辨率pQCT (HR-pQCT) 的研究的综述.
  • 对PHPT患者骨折风险的流行病学数据的分析.
  • 检查PHPT目前的治疗策略.

主要成果:

  • PHPT导致骨微架构的破坏,影响皮质和椎骨,即使在无症状的情况下.
  • 在PHPT患者中,骨折风险较高,无论他们的BMDT分数 (正常或骨质疏松范围).
  • 在PHPT中,标准的BMD评估和实际的骨脆弱性之间存在分离.

结论:

  • PHPT对骨质质量有不利影响,远远超过BMD测量所表明的.
  • 当前的诊断方法可能低估了PHPT中的骨脆弱性.
  • 在PHPT中对骨脆弱性的新诊断方法进行进一步的研究是有必要的.