努西费林通过抑制糖解代谢编程和ROS生产来抑制骨质细胞形成
Wen-Hui Guo1, Guan-Qi Zhen1, Feng Wu1
1Department of Orthopedics, The Second Affiliated Hospital of Harbin Medical University, Harbin, China.
The Kaohsiung journal of medical sciences
|November 16, 2024
概括
努西费林 (NCF) 通过抑制糖解和活性氧物种 (ROS) 生产来抑制骨质细胞形成. 莲花叶中的这种生物活性化合物通过向细胞代谢,为骨质疏松症提供了潜在的治疗策略.
科学领域:
- 生物化学 生物化学
- 细胞生物学 细胞生物学
- 药理学 药理学是指药理学的学科.
背景情况:
- 莲花叶的化合物努西费林 (NCF) 曾经在预防骨质细胞形成和骨质疏松症方面表现出潜力.
- 通过NCF发挥其抗骨质疏松作用的确切机制尚不清楚.
研究的目的:
- 阐明NCF对骨质细胞形成的抑制作用的潜在机制.
- 研究NCF对细胞代谢的影响,特别是糖解和反应性氧物种 (ROS) 生产.
主要方法:
- 在含有或不含NCF的Raw264.7细胞中诱导骨质细胞分化.
- 试验包括CCK-8,Edu,TRAP染色,骨质再吸收,RT-PCR,西斑,海马,乳酸度,葡萄糖消耗,以及DCFH-DA光探针.
- 对骨质细胞相关基因,糖解标志物和ROS水平的研究影响.
主要成果:
- NCF (30μM) 没有影响细胞活力或增殖,但显著抑制了骨质细胞分化和骨再吸收.
- NCF降低了细胞外酸的产生和增加了氧气消耗,表明细胞代谢发生了改变.
- NCF降低了关键的糖分解基因 (hexokinase2,pyruvate kinase 2,乳酸脱酶A) 的调节,并降低了乳酸水平.
- 此外,NCF还抑制了活性氧物种 (ROS) 的产生,而糖解激活剂则促进了骨质细胞生成.
结论:
- NCF抑制骨质细胞形成和骨再吸收.
- 该机制涉及抑制糖解代谢和减少ROS产生的机制.
- 通过调节细胞能量路径和氧化应激,NCF为骨质疏松症提供了一个有前途的治疗剂.
相关概念视频
Osteoclasts in Bone Remodeling
2.8K
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...
2.8K
The Nucleolus
8.7K
The nucleolus is the most prominent substructure of the nucleus. When it was first discovered, it was considered to be an isolated organelle that forms fibrils and granules. In 1931, the relationship between the nucleolus and chromosomes was first described by Heitz. He observed that the appearance and size of nucleolus varies depending on the stage of the cell cycle. He also noticed constricted regions on different chromosomes clustered together at definite cell cycle stages. These regions,...
8.7K
Transducer Mechanism: Nuclear Receptors
1.3K
Nuclear receptors, or NRs, are unique transcription factors that regulate gene transcription and affect the cellular pathways involved in reproduction, development, or metabolism. Their ability to be stimulated by small lipophilic ligands and control vital cellular processes makes them ideal drug targets. Nearly 10-15% of currently prescribed drugs target these receptors.
About 48 different soluble family members of nuclear receptors are identified that can be divided into two main classes:
About 48 different soluble family members of nuclear receptors are identified that can be divided into two main classes:
1.3K
Acid Suppressive Drugs for Peptic Ulcer Disease: Proton Pump Inhibitors
358
Peptic ulcers, often induced by H. pylori infections or NSAID usage, arise from disruptions in the delicate balance of gastric acid production. Peptic ulcers stem from heightened gastric acid levels due to H. pylori infections or NSAID use. The protective mucus layer diminishes in the presence of these factors, allowing gastric acid to erode the stomach lining and form ulcers.
Gastric acid, a potent cocktail of hydrogen and chloride ions, is produced in specialized parietal cells within the...
Gastric acid, a potent cocktail of hydrogen and chloride ions, is produced in specialized parietal cells within the...
358
Hormones and Bone Tissue
2.6K
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...
2.6K
Inhibition of Cdk Activity
4.7K
The orderly progression of the cell cycle depends on the activation of Cdk protein by binding to its cyclin partner. However, the cell cycle must be restricted when undergoing abnormal changes. Most cancers correlate to the deregulated cell cycle, and since Cdks are a central component of the cell cycle, Cdk inhibitors are extensively studied to develop anticancer agents. For instance, cyclin D associates with several Cdks, such as Cdk 4/6, to form an active complex. The cyclin D-Cdk4/6 complex...
4.7K


