相关实验视频

Updated: Jun 17, 2025

Detecting Migration and Infiltration of Neutrophils in Mice

Detecting Migration and Infiltration of Neutrophils in Mice

Published on: February 6, 2020

塞尔A3N通过抑制巨细胞衍生的白细胞弹性酶来限制骨关节炎中软骨的破坏

Augustin Latourte^1,2, Sarah Jaulerry^3,2, Alice Combier³

¹Inserm UMR-S 1132, Université Paris Cité, Paris, France augustin.latourte@aphp.fr.

Annals of the rheumatic diseases

|August 12, 2024

概括

血清蛋白酶抑制剂SerpinA3N通过抑制巨细胞衍生因素来保护软骨免受骨关节炎 (OA) 损伤. 向SerpinA3N和白细胞弹性酶 (LE) 可能提供新的OA疗法.

科学领域:

生物化学生物化学
免疫学免疫学免疫学
整形外科整形外科整形外科

背景情况:

介质素6 (IL-6) 在骨关节炎 (OA) 期间驱动软骨细胞中的代谢反应.
血清蛋白酶抑制剂SerpinA3N是IL-6的下游标,与OA病变发生有关.
了解SerpinA3N的作用对于开发新型OA治疗至关重要.

研究的目的:

调查SerpinA3N在OA引起的软骨损伤中的作用.
探索SerpinA3N作为OA的潜在治疗标.

主要方法:

RNA测序确定了SerpinA3N作为一种IL-6点基因.
缺少软骨特异性Serpina3n的小鼠接受了脑膜切除术 (MNX) 或假手术.
在MNX后进行了SerpinA3N或sivelestat (白细胞弹性酶抑制剂) 的关节内注射.

主要成果:

在OA软骨中,SerpinA3N表达升高.
丢失SerpinA3N加剧了OA,而其管理限制了关节损伤.
巨细胞,而不是红细胞,产生LE;sivelestat减轻了巨细胞诱导的软骨代谢,并在MNX模型中保护OA.

结论:

塞尔宾A3N 赋予软骨保护,防止巨细胞衍生的因素,包括LE.
塞尔宾A3N和LE是缓解OA软骨破坏的有希望的治疗点.

关键词:

冠状细胞 (chondrocytes) 是一种细胞.炎症炎症是一种炎症.骨关节炎是一种骨关节炎.

更多相关视频

Software-Assisted Quantitative Measurement of Osteoarthritic Subchondral Bone Thickness

Software-Assisted Quantitative Measurement of Osteoarthritic Subchondral Bone Thickness

Published on: March 18, 2022

Flow Cytometry Analysis of Immune Cell Subsets within the Murine Spleen, Bone Marrow, Lymph Nodes and Synovial Tissue in an Osteoarthritis Model

Flow Cytometry Analysis of Immune Cell Subsets within the Murine Spleen, Bone Marrow, Lymph Nodes and Synovial Tissue in an Osteoarthritis Model

Published on: April 24, 2020

相关概念视频

Role of Matrix Metalloproteases in Degradation of ECM

Role of Matrix Metalloproteases in Degradation of ECM

Matrix metalloproteases (MMPs) are enzymes involved in the hydrolysis of proteins and glycoproteins of the extracellular matrix. MMPs are essential for the migration and proliferation of cells through the dense matrix network, throughout embryonic development, and throughout morphogenesis. The first MMP activity discovered was a collagenase in a tadpole's tail undergoing metamorphosis. The active collagen deposition and modifications lead to the morphogenesis of tadpoles into the adult...