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Merck
모든 사진(2)

주요 문서

C1740

Sigma-Aldrich

Complement component C1q from human serum

≥95% (SDS-PAGE)

동의어(들):

C1q from human serum

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About This Item

CAS Number:
MDL number:
UNSPSC 코드:
12352202
NACRES:
NA.61

생물학적 소스

human

Quality Level

분석

≥95% (SDS-PAGE)

형태

liquid

기술

activity assay: suitable

UniProt 수납 번호

배송 상태

dry ice

저장 온도

−70°C

유전자 정보

유사한 제품을 찾으십니까? 방문 제품 비교 안내

일반 설명

C1q, together with C1r and C1s, in the ratio of 1:2:2, form the C1 complex which is the first component of the classical complement pathway. C1q is composed of 18 polypeptide chains (six A, six B, six C) (MW 460 kDa). All contain an 81-aa collagen-like region composed of (Gly-Xaa-Yaa) repeating sequences close to the N-terminus. Three chains (A1B1C1) form a triple helix with the C-terminus forming the globular heads which may be structurally and functionally distinct domains.

애플리케이션

Complement component C1q is an important regulator factor for platelet activation. This has been a topic for research, as platelet-leukocyte aggregates play an important role in inflammatory conditions such as coronary heart disease. In particular, C1q has been shown to inhibit collagen induced aggregation and enhance production of reactive oxygen species (ROS).

생화학적/생리학적 작용

C1q deficiency, either because of rare homozygous genetic defect, or transcriptional/translational defects, is almost certainly a cause of systemic lupus erythematosus (SLE). The three C1q subunits are expressed through a novel mechanism of transcriptional synchronization.

물리적 형태

Supplied as a solution in 10 mM HEPES, 300 mM NaCl, pH 7.2

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable


시험 성적서(COA)

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문서 라이브러리 방문

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
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
Christian S Lobsiger et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(46), E4385-E4392 (2013-10-31)
Accumulating evidence from mice expressing ALS-causing mutations in superoxide dismutase (SOD1) has implicated pathological immune responses in motor neuron degeneration. This includes microglial activation, lymphocyte infiltration, and the induction of C1q, the initiating component of the classic complement system that
Brian D Tait et al.
Transplantation, 95(1), 19-47 (2012-12-15)
The introduction of solid-phase immunoassay (SPI) technology for the detection and characterization of human leukocyte antigen (HLA) antibodies in transplantation while providing greater sensitivity than was obtainable by complement-dependent lymphocytotoxicity (CDC) assays has resulted in a new paradigm with respect

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