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相关概念视频

Role of Vitamins in Maintaining Bone Health01:25

Role of Vitamins in Maintaining Bone Health

5.0K
The growth and maintenance of bone are regulated by a combination of nutritional factors, including vitamins, such as vitamin A, B12, C, D, and K.
Vitamin A
Vitamin A is involved in the process of bone remodeling. Retinoic acid, the active metabolite of Vitamin A, has nuclear receptors in osteoblasts and osteoclasts, which are involved in bone remodeling.
Vitamin B12
Vitamin B12 acts as a cofactor during the formation of osteoblast-related proteins, such as osteocalcin. Vitamin B12 plays a role...
5.0K
Skeleton and Calcium Homeostasis01:21

Skeleton and Calcium Homeostasis

5.7K
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.
5.7K
Roles of Electrolytes: Calcium and Phosphate01:27

Roles of Electrolytes: Calcium and Phosphate

1.1K
Calcium and phosphate are essential electrolytes in the human body, with calcium being the most abundant mineral. Around 99% of the body's calcium is stored in the skeleton and teeth, forming a crystal lattice of mineral salts in combination with phosphates. Calcium plays crucial roles in various bodily functions such as blood clotting, neurotransmitter release, muscle tone maintenance, and nervous and muscle tissue excitability.
The calcium concentration in blood plasma is primarily...
1.1K
Essential Minerals for Bone Health01:31

Essential Minerals for Bone Health

5.9K
The minerals contained in all of the food we consume are essential for our organ systems. However, certain essential minerals, such as calcium, phosphorus, magnesium, manganese, and fluoride, largely affect bone health.
Calcium and Phosphorus
Calcium is a critical component of bones, especially in the form of calcium phosphate and calcium carbonate. Since the body cannot make calcium, it must be obtained from the diet. However, calcium cannot be absorbed from the small intestine without...
5.9K
Synthesis and Functions of Calcitonin00:51

Synthesis and Functions of Calcitonin

4.1K
Calcitonin, a vital polypeptide hormone, regulates calcium levels within body fluids. It is released by the parafollicular cells, also known as C cells, situated in the follicular epithelium of the thyroid gland. Calcitonin responds to fluctuations in blood calcium levels and the influence of gastrointestinal hormones like gastrin and cholecystokinin.
The exact mechanisms by which calcitonin operates in calcium homeostasis remain elusive, but its significance is evident in several vital...
4.1K
Hormones and Bone Tissue01:17

Hormones and Bone Tissue

3.7K
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...
3.7K

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相关实验视频

Updated: Jan 13, 2026

Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation
08:43

Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation

Published on: May 31, 2016

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血管化中的铁:支持化剂还是保护调节器?

Enikő Balogh1, Andrea Tóth1, Viktória Jeney1

  • 1Vascular Pathophysiology Research Group, Research Centre for Molecular Medicine, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary.

International journal of molecular sciences
|October 29, 2025
PubMed
概括

铁代谢障碍会影响血管化,这是心血管疾病的关键因素. 这篇评论探讨了铁的研究.

科学领域:

  • 心血管生物学 心血管生物学
  • 矿物质的新陈代谢.
  • 血管生物学 血管生物学

背景情况:

  • 血管化有助于心血管疾病,特别是慢性病 (CKD) 和糖尿病.
  • 这是一个活跃的,细胞介导的过程,类似于骨的形成.
  • 铁代谢是新发现的血管化的调节器.

研究的目的:

  • 审查铁在血管化中的双重作用.
  • 要总结体外和体内对铁对血管细胞化的影响的研究.
  • 探索临床证据,将铁代谢与冠状动脉化在CKD中联系起来.

主要方法:

  • 在体外和体内研究的文献综述.
  • 对铁的作用的机械洞察的分析.
  • 关于慢性结核病中铁代谢和血管化的临床数据的汇编.

主要成果:

  • 铁在血管化中具有复杂的,剂量依赖的作用.
  • 研究表明,铁可以促进和抑制血管细胞化.
  • 临床数据将改变的铁代谢与增加的冠状动脉化和CKD死亡率联系在一起.

结论:

关键词:
慢性脏疾病 慢性脏疾病铁是铁的,铁是铁的骨质混凝土的分化是不同的.门化的化门间歇细胞的间歇细胞血管化 血管化血管光滑肌肉细胞细胞

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A Semi-Automated and Reproducible Biological-Based Method to Quantify Calcium Deposition In Vitro
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  • 铁代谢是血管化的一个关键因素.
  • 了解铁的双重作用对于控制CKD患者心血管风险至关重要.
  • 需要进一步的研究来阐明铁在血管化的精确机制.