软骨细胞中编程细胞死亡之间的交叉声 - - 骨关节炎的一个分子机制
Kun Zhang1, Lianlin Zeng1, Huiqin Min2
1Department of Rehabilitation Medicine, Suining Central Hospital, Suining, Sichuan Province, China.
Tissue & cell
|September 30, 2025
概括
编程细胞死亡 (PCD) 途径在骨关节炎 (OA) 中失调,影响软骨和关节健康. 了解这些机制,包括亡,亡和铁亡,对于开发新的OA治疗非常重要.
科学领域:
- 生物医学科学 生物医学科学
- 类风湿病学 类风湿病学
- 细胞生物学 细胞生物学
背景情况:
- 骨关节炎 (OA) 是一种慢性炎症性疾病,其特点是软骨退化和关节功能障碍.
- 目前的OA治疗具有局限性和显著的不良影响,需要新的治疗点.
- 编程细胞死亡 (PCD) 越来越多地被认为是OA病变发生的关键因素,特别是在软质细胞和协同细胞中.
研究的目的:
- 分析骨关节炎发病和进展背后的机制.
- 概述OA中各种编程细胞死亡 (PCD) 类型的调控作用.
- 为OA治疗确定新的治疗点.
主要方法:
- 文献综述和现有PCD在OA的研究综合.
- 在OA中分析了亡,亡,自,NETosis,pyroptosis,ferroptosis和cuproptosis在OA中的作用.
- 讨论PCD机制在冠状细胞,突细胞和其他相关细胞.
主要成果:
- 编程细胞死亡 (PCD) 途径在骨关节炎 (OA) 中显著失调.
- 特定的PCD类型,包括亡,亡,自,NETosis,pyroptosis,ferroptosis和cuproptosis,在OA中发挥着不同的调节作用.
- 这些PCD过程涉及到软体细胞,协同细胞和其他联合居住细胞的病理学.
结论:
- 不调节的编程细胞死亡 (PCD) 是骨关节炎 (OA) 发病的关键组成部分.
- 了解不同PCD路径的多方面的作用为改善OA治疗提供了重要的理论基础.
- 针对特定的PCD机制为开发新型OA疗法提供了一个有希望的途径.
相关概念视频
01:30Apoptosis
14.1K
Apoptosis is a combination of two Greek words, 'apo' and 'ptosis,' meaning separation and falling off, respectively. Hippocrates used this word to describe gangrene, which was caused due to bandaging of fractured bones. Apoptosis was distinguished from necrosis in 1970 when John Kerr reported observations of morphological changes occurring during apoptosis. During one experiment, he observed that the disruption of blood supply to the liver tissue resulted in a size...
14.1K
01:31Osteoclasts in Bone Remodeling
3.9K
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...
3.9K
01:27Growth of Cartilage and Bone Tissue
4.0K
Chondrocytes form a temporary cartilaginous model by dividing and secreting a thick gel-like extracellular matrix. Once the chondrocytes undergo programmed cell death, osteoblasts enter the site of the cartilaginous model. The process of replacing the temporary cartilaginous model with bone in an ordered manner is called endochondral ossification. In endochondral ossification, not all of the cartilage is replaced by bone tissue. Some cartilage that performs a protective and supportive function...
4.0K
01:24Bone Formation by Endochondral Ossification
8.4K
Bone formation, or ossification, begins around the sixth to seventh week of embryonic development. Most bones develop from a cartilaginous template through the process of endochondral ossification. Cartilage formation begins when clusters of mesenchymal cells differentiate into chondrocytes. These chondrocytes proliferate rapidly and secrete an extracellular matrix that becomes encased in a membrane called the perichondrium. The resulting cartilage model provides a template that resembles the...
8.4K
01:30Overview of Cell Death
9.4K
Cell death is an essential process where the body gets rid of old or damaged cells. Cell proliferation and death need to be balanced, as an imbalance between the two may lead to cancer or autoimmune diseases.
Cell death was observed in the early 19th century, but there was no experimental evidence to prove it. In 1842, Carl Vogt first discovered cell death in a metamorphic toad; however, it was not termed ‘cell death.’ Scientists discovered different cell death pathways only in the...
Cell death was observed in the early 19th century, but there was no experimental evidence to prove it. In 1842, Carl Vogt first discovered cell death in a metamorphic toad; however, it was not termed ‘cell death.’ Scientists discovered different cell death pathways only in the...
9.4K
01:40Bone Remodeling
40.3K
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.
40.3K