相关实验视频
Updated: Jul 11, 2026

07:53
Proteomic Profiling of Macrophages by 2D Electrophoresis
Published on: November 4, 2014
13.3K
巨细胞中棕化蛋白质的全蛋白质分析揭示了对早期免疫信号的新见解
Hyojung Kim1,2, Jiraphorn Issara-Amphorn1, Sung Hwan Yoon1
1Functional Cellular Networks Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA.
Proteomics
|December 29, 2025
概括
这项研究揭示了LPS刺激后巨细胞中的动态蛋白S-palmitoylation变化,揭示了免疫反应调节的新目标.
科学领域:
- 生物化学 生物化学
- 免疫学 免疫学 免疫学
- 蛋白质组学是指蛋白质组学.
背景情况:
- 蛋白质S-palmitoylation是一种可逆的脂质修饰,对蛋白质功能和局部化至关重要.
- 它在早期免疫反应中快速重编程巨细胞中的作用尚未完全理解.
研究的目的:
- 为了研究早期脂多糖糖 (LPS) 刺激期间巨细胞中棕基瘤的动态.
- 确定新的S-palmitoylated蛋白质,并了解它们在先天免疫激活中的调节.
主要方法:
- 利用了与多蛋白酶消化 (trypsin,AspN, chymotrypsin,GluC) 结合的乙-生物素交换 (ABE) 蛋白质组学,以增强棕化蛋白质组覆盖.
- 在不朽化骨髓衍生巨细胞 (iBMDMs) 中,用和不用LPS治疗,量化比较了棕细胞化概况.
主要成果:
- 确定了2502种假定S-palmitoylated蛋白质,包括527种新的小鼠蛋白质和1378种新的免疫细胞蛋白质.
- 在LPS刺激时发现了648种差异丰富的蛋白质,这表明了手掌细胞的动态调节.
- 功能分析将动态蛋白与免疫信号,感染,代谢和运输途径联系起来.
结论:
- 这项研究提供了巨棕瘤及其在早期免疫激活期间的动态重塑的全面资源.
- 发现的新型S-palmitoylated蛋白质为研究巨细胞功能和天生的免疫调节提供了潜在的新目标.
相关概念视频
Cells of the Innate Immune Response
The innate immune response is an immediate and non-specific response against pathogens, acting swiftly to prevent the spread of infections. The primary cells involved in this response are phagocytes and natural killer (NK) cells.
Phagocytes
Phagocytes police the peripheral tissues by removing cellular debris and responding to the invasion of foreign substances or pathogens. Many phagocytes attack and remove microorganisms even before lymphocytes detect them. The human body has two general...
Phagocytes
Phagocytes police the peripheral tissues by removing cellular debris and responding to the invasion of foreign substances or pathogens. Many phagocytes attack and remove microorganisms even before lymphocytes detect them. The human body has two general...
Immune Surveillance by NK Cells and Phagocytes
Immune surveillance is an integral part of the innate immune system, involving the continuous monitoring of peripheral tissues to detect and respond to pathogens, infected cells, or cancerous cells. This surveillance is conducted primarily by natural killer (NK) cells and phagocytes, which employ distinct but complementary mechanisms to identify and eliminate threats.
Natural Killer Cells: The Fast Responders
NK cells are large granular lymphocytes found in the blood and lymphatic system. These...
Natural Killer Cells: The Fast Responders
NK cells are large granular lymphocytes found in the blood and lymphatic system. These...
Cytotoxic T Cells-mediated Immune Response
Cytotoxic T cells are a vital component of the immune system. They have the remarkable ability to identify and target antigens on infected or abnormal cells. These antigens often originate from intracellular pathogens such as viruses or abnormal proteins cancer cells produce.
Immunological surveillance is the ability of immune cells to monitor and eliminate infected cells with intracellular pathogens, neoplastically transformed cells, and cells with non-self antigens. Cytotoxic T cells and NK...
Immunological surveillance is the ability of immune cells to monitor and eliminate infected cells with intracellular pathogens, neoplastically transformed cells, and cells with non-self antigens. Cytotoxic T cells and NK...

