二醇:作用机制的作用机制
Simone Donati1, Gaia Palmini1, Cinzia Aurilia1
1Department of Experimental and Clinical Biomedical Sciences, University of Florence, 50139 Florence, Italy.
Nutrients
|October 28, 2023
概括
类固醇激素calcitriol及其前体calcifediol通过基因组和非基因组机制调节和的平衡. 了解这些维生素D代谢物的作用为缺乏相关疾病提供了新的治疗点.
科学领域:
- 内分泌学 在内分泌学.
- 分子生物学分子生物学
- 生物化学 生物化学
背景情况:
- 酸是一种对和酸盐平衡至关重要的二类激素.
- 类固醇激素如酸通过基因组和非基因组途径发挥作用.
- 维生素D受体 (VDR) 通过通过维生素D响应元素 (VDRE) 调节基因转录来调节传统的基因组效应.
研究的目的:
- 为了提供calcifediol的作用机制的概述.
- 阐明二醇在维生素D内分泌系统中的作用.
- 确定与维生素D缺乏相关的疾病的潜在治疗点.
主要方法:
- 审查有关酸和酸的现有文献.
- 对维生素D代谢物的基因组和非基因组机制的分析.
- 专注于VDR相互作用,包括膜相关VDR (mVDR) 和Pdia3.
主要成果:
- 二醇 (calcifediol) 是二醇的前体,与二醇相比,VDR的结合力较低,影响基因调节.
- 二醇通过膜VDR相互作用触发快速的非基因组反应.
- mVDR和Pdia3是快速维生素D代谢物反应的关键媒介.
结论:
- 二醇表现出基因调节和快速非基因组效应.
- 对于维生素D内分泌系统来说,了解二醇的多样化作用至关重要.
- 研究这些维生素D缺乏机制可能会产生新的治疗策略.
关键词:
石灰二醇是一种酸.酸醇是一种酸.基因组行动 基因组行动对类固醇的膜相关的快速反应.非基因组行动是非基因组行动.维生素D是维生素D的重要组成部分.维生素D缺乏症 维生素D缺乏症维生素D受体是维生素D的受体.更多相关视频
相关概念视频
Synthesis and Functions of Calcitonin
1.9K
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...
The exact mechanisms by which calcitonin operates in calcium homeostasis remain elusive, but its significance is evident in several vital...
1.9K
Hormones and Bone Tissue
2.7K
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...
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...
2.7K
Skeleton and Calcium Homeostasis
4.6K
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.
4.6K
Calmodulin-dependent Signaling
5.2K
Calmodulin (CaM) is a calcium-binding protein in eukaryotes that controls various calcium-regulated cellular processes. It has four calcium-binding sites that bind calcium to form the calcium-calmodulin ( Ca2+-CaM) complex. GPCR stimulation increases the calcium levels in the cells that bind to CaM and induces a conformational change.
The Ca2+-CaM complex does not have enzymatic activity by itself. Instead, the complex binds downstream target proteins, including membrane proteins or enzymes,...
The Ca2+-CaM complex does not have enzymatic activity by itself. Instead, the complex binds downstream target proteins, including membrane proteins or enzymes,...
5.2K
Role of Skin in Vitamin D Synthesis
5.2K
The skin plays a crucial role in the synthesis of vitamin D, a vital nutrient for various physiological processes in the body. Vitamin D is unique because it can be synthesized in the skin through a series of chemical reactions triggered by exposure to ultraviolet B (UVB) radiation from sunlight.
The solar UV B rays (290-315 nm) are absorbed by the skin, and 7-dehydrocholesterol (provitamin D3) photolyzes it to previtamin D3, which undergoes a rapid transformation to vitamin...
The solar UV B rays (290-315 nm) are absorbed by the skin, and 7-dehydrocholesterol (provitamin D3) photolyzes it to previtamin D3, which undergoes a rapid transformation to vitamin...
5.2K
Role of Vitamins in Maintaining Bone Health
3.4K
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...
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...
3.4K


