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一般描述
C1q与C1r、C1s以1:2:2的比例形成C1复合物，它是经典补体途径的第一组分。C1q由18条多肽链（六个A、六个B、六个C）组成（MW 460 kDa）。它们都含有一个由靠近N-末端的(Gly-Xaa-Yaa)重复序列组成的81-aa胶原样区域。三条链（A1B1C1）形成一个三螺旋，C端形成球状头部，其在结构和功能上可能是不同的结构域。
应用
补体成分C1q是血小板活化的重要调节因子。这一直是一个研究课题，因为血小板白细胞聚集在炎性疾病（如冠心病）中发挥着重要作用。特别是，C1q可抑制胶原蛋白诱导的聚集，提高活性氧（ROS）的产生。
生化/生理作用
无论是由于罕见的纯合子遗传缺陷还是转录/翻译缺陷，C1q缺乏几乎可以肯定是系统性红斑狼疮（SLE）的病因。这三个C1q亚基是通过一种新的转录同步机制表达的。
外形
是10 mM HEPES、300 mM NaCl、pH 7.2的溶液
储存分类代码
10 - Combustible liquids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
常规特殊物品
从最新的版本中选择一种：
分析证书(COA)
Lot/Batch Number
Consol Farrera et al.
Journal of immunology (Baltimore, Md. : 1950), 191(5), 2647-2656 (2013-08-02)
Neutrophil extracellular traps (NETs) facilitate the extracellular killing of pathogens. However, in recent years, excessive NET formation has been implicated in several pathological conditions. Indeed, NETs that are not removed from tissues or from the circulation might serve to trigger
Andrew D Greenhalgh et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 34(18), 6316-6322 (2014-05-03)
Macrophages in the injured spinal cord arise from resident microglia and infiltrating, peripherally derived monocytes. It is still not clear if macrophages derived from these two populations differ in their roles after CNS injury. The aims of this study are
Anti-SARS-CoV-2 antibodies elicited by COVID-19 mRNA vaccine exhibit a unique glycosylation pattern.
Inbal Farkash et al.
Cell reports, 37(11), 110114-110114 (2021-12-10)
Messenger RNA-based vaccines against COVID-19 induce a robust anti-SARS-CoV-2 antibody response with potent viral neutralization activity. Antibody effector functions are determined by their constant region subclasses and by their glycosylation patterns, but their role in vaccine efficacy is unclear. Moreover
Maria Del Pilar Martinez Viedma et al.
Viruses, 13(7) (2021-08-11)
Zika virus (ZIKV) is a mosquito-borne Flavivirus with a positive-sense RNA genome, which are generally transmitted through the bite of an infected Aedes mosquito. ZIKV infections could be associated with neurological sequelae that, and otherwise produces similar clinical symptoms as
Zaida G Ramirez-Ortiz et al.
Nature immunology, 14(9), 917-926 (2013-07-31)
The clearance of apoptotic cells is critical for the control of tissue homeostasis; however, the full range of receptors on phagocytes responsible for the recognition of apoptotic cells remains to be identified. Here we found that dendritic cells (DCs), macrophages
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