在多聚炎中补充C1q的临床影响和机制
1Department of Neurology, Affiliated Zhongda Hospital, Neuropsychiatric Institute, School of Medicine, Southeast University, No. 87, Dingjiaqiao, Gulou District, Nanjing, 210003, Jiangsu, China.
Applied biochemistry and biotechnology
|August 25, 2023
概括
补充C1q在多质神炎 (PM) 中升高,并与其病理学有关. 抑制C1q受体 (gC1qR) 降低了PM小鼠的炎症,这表明治疗点.
科学领域:
- 免疫学 免疫学 免疫学
- 神经学 神经学
- 生物化学 生物化学
背景情况:
- 多性肌炎 (PM) 是一种常见的自身免疫性肌肉疾病,其机制尚不清楚.
- 了解PM病原体对于开发新的诊断和治疗策略至关重要.
研究的目的:
- 为了研究补充C1q在多质神炎中的临床意义和机制.
- 评估C1q及其受体 (gC1qR) 作为PM的潜在生物标志物和治疗点.
主要方法:
- 在115名PM患者和120名对照组中测量了血清C1q和肌酸激酶 (CK).
- 使用PM的小鼠模型,包括使用CG1qR单克隆抗体进行干预.
- 在Cg1qR沉默后分析了炎症因素,肌肉组织病理学和巨细胞行为.
主要成果:
- 与对照组相比,PM患者的血清C1q和CK水平显著更高.
- C1q和CK水平与特定的自身抗体 (RNP,Jo-1,ANCA) 有不同的相关性.
- 在PM小鼠中抑制Cg1qR减少了炎症细胞的透,改善了肌肉病理.
结论:
- 升高的C1q与多质神炎的病理过程密切相关.
- gC1qR在PM病变发生过程中发挥作用,其抑制通过减少炎症显示出治疗潜力.
更多相关视频
相关概念视频
Myocarditis I: Introduction
9
Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
9
Myocarditis II: Clinical Features and Diagnostic Tests
12
Myocarditis is an inflammation of the heart muscle. The symptoms vary widely, encompassing asymptomatic presentations to severe, acute manifestations.Clinical PresentationAsymptomatic cases: In some instances, myocarditis may be asymptomatic, with the infection resolving without intervention. These cases often go undetected unless discovered incidentally through diagnostic imaging or tests conducted for other reasons.General Early Symptoms: Early symptoms of myocarditis are non-specific and can...
12
Myasthenia Gravis: Overview and Treatment
1.6K
Myasthenia gravis is a neuromuscular transmission disorder characterized by weakness and increased fatigability of skeletal muscles. It is an autoimmune disease affecting approximately one in 2000 people, where antibodies against the α1 subunit of nicotinic acetylcholine receptors are produced.
These antibodies interfere with the function of the nicotinic receptors in three ways: by binding to the receptor and disrupting acetylcholine binding; by causing cross-linking of receptors which...
These antibodies interfere with the function of the nicotinic receptors in three ways: by binding to the receptor and disrupting acetylcholine binding; by causing cross-linking of receptors which...
1.6K
Complement System
2.4K
The complement system is a group of approximately 20 plasma proteins that strengthen the body's defenses against infections through opsonization, inflammation, and cell lysis. Opsonization involves coating pathogens with complement proteins, making them more recognizable and facilitating phagocyte engulfment. Certain complement proteins induce inflammation that attracts immune cells to the site of infection. Cell lysis involves the destruction of pathogens through the formation of a...
2.4K
Myasthenia Gravis: Diagnostic Tests
1.0K
Myasthenia gravis is an autoimmune condition affecting neuromuscular transmission, causing generalized weakness in skeletal muscles. Initial diagnoses rely on patients' signs, symptoms, and medical history. The challenge lies in distinguishing myasthenia from other muscular dystrophies. An important diagnostic feature is the significant improvement of symptoms after administering anticholinesterase inhibitors.
The edrophonium test is a diagnostic tool for myasthenia gravis. It involves...
The edrophonium test is a diagnostic tool for myasthenia gravis. It involves...
1.0K
Myocarditis III: Medical Management
9
Myocarditis: Comprehensive Medical ManagementMyocarditis, the heart muscle inflammation, requires a comprehensive medical management strategy that addresses the underlying cause, provides supportive care, manages symptoms, and reduces cardiac workload.Infections and Autoimmune CausesAdminister appropriate antimicrobial therapy when an infectious agent causes myocarditis. For instance, penicillin treats infections caused by Group A Streptococcus. In cases where autoimmune processes are...
9


