相关实验视频
Updated: Jul 2, 2025
08:56
Estrogen-Like Effect of Bazi Bushen Capsule in Ovariectomized Rats
Published on: April 7, 2023
878
嘉醇通过NRF2-抗氧化剂信号传递来防止氧化应激诱导的骨损失和BMSCs的功能障碍
Jilong Zou1, Hongjun Chen1, Xinming Fan1
1Department of Orthopaedics, the First Affiliated Hospital of Harbin Medical University, Harbin, China.
Cell death discovery
|February 16, 2024
概括
作为一种抗氧化剂的加西诺,可以保护骨髓中介质干细胞 (BMSC) 和骨组织免受氧化应激. 这种化合物可能通过激活NRF2-抗氧化剂信号通路,为骨质疏松症提供治疗效益.
科学领域:
- 生物医学科学 生物医学科学
- 细胞生物学 细胞生物学
- 骨生物学 骨生物学 骨生物学
背景情况:
- 过度的氧化压力与骨质流失和骨质疏松症 (OP) 等退行性骨疾病有关.
- 氨酸是一种已知的抗氧化剂,但其对骨健康和氧化应激的影响尚未完全理解.
研究的目的:
- 研究Garcinol对氧化应激诱导的骨髓介质干细胞 (BMSCs) 损伤的保护作用.
- 在骨质疏松症小鼠模型中评估Garcinol在改善骨质损失和BMSC功能障碍方面的疗效.
主要方法:
- 评估Garcinol在BMSC中对过氧化 (H2O2) 诱导的氧化应激的保护功能.
- 在骨质疏松症小鼠中检查Garcinol对骨质和BMSC血统承诺的影响.
- 调查核因子红色素2相关因子2 (NRF2) 在调解Garcinol效果中的作用.
主要成果:
- 氨酸在BMSCs中显示出对H2O2诱导的氧化应激和功能障碍有显著的保护作用.
- 嘉醇通过抑制氧化应激改善了骨质减少,并通过抑制氧化应激,在骨质疏松症小鼠中纠正了异常的BMSC血统承诺.
- NRF2被确定为一个关键的调节器,Garcinol的保护功能由NRF2-抗氧化剂信号传递中介.
结论:
- 氨酸通过NRF2抗氧化剂信号传递来防止与氧化压力相关的BMSC损伤和骨损失.
- 加西诺醇在治疗骨质疏松症和其他与氧化压力相关的骨疾病方面显示出有前途的治疗潜力.
相关概念视频
01:25Role of Vitamins in Maintaining Bone Health
3.3K
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...
3.3K
01:29Bone Disorders
3.5K
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...
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...
3.5K
01:40Bone Remodeling
38.3K
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.
38.3K
01:31Osteoclasts in Bone Remodeling
2.9K
Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during...
2.9K