The complement system, also known as complement cascade, is a part of the humoral, innate immune system and enhances (complements) the ability of antibodies...

Two's complement is the most common method of representing signed (positive, negative, and zero) integers on computers, and more generally, fixed point...

specific computer represents numbers. A ones' complement system or ones' complement arithmetic is a system in which negative numbers are represented by...

include phagocytosis, antimicrobial peptides called defensins, and the complement system. Jawed vertebrates, including humans, have even more sophisticated...

classical complement pathway is one of three pathways which activate the complement system, which is part of the immune system. The classical complement pathway...

immunity that is mediated by macromolecules – including secreted antibodies, complement proteins, and certain antimicrobial peptides – located in extracellular...

pathway is a type of cascade reaction of the complement system and is a component of the innate immune system, a natural defense against infections. The...

Complement component 4 (C4), in humans, is a protein involved in the intricate complement system, originating from the human leukocyte antigen (HLA) system...

A complement receptor is a membrane-bound receptor belonging to the complement system, which is part of the innate immune system. Complement receptors...

Complement component 3, often simply called C3, is a protein of the immune system that is found primarily in the blood. It plays a central role in the...

involved organs/tissues. The complement system is a biochemical cascade of the immune system that helps, or "complements", the ability of antibodies to...

Complement deficiency is an immunodeficiency of absent or suboptimal functioning of one of the complement system proteins. Because of redundancies in the...

the activation of the host's complement system, and as such is an effector of the immune system. Antibody-mediated complement activation leads to MAC deposition...

inflammatory function (C3a desarginine). C3a is an effector of the complement system with a range of functions including T cell activation and survival...

Aggregate complementation, the separation of pitch-class collections into complementary sets Complementary color, in the visual arts Complement system (immunology)...

The complement component 1q (or simply C1q) is a protein complex involved in the complement system, which is part of the innate immune system. C1q together...

Complement control proteins are proteins that interact with components of the complement system. The complement system is tightly regulated by a network...

characterized. In primates, CR1 serves as the main system for processing and clearance of complement opsonized immune complexes. It has been shown that...

formation of a membrane attack complex (MAC) and target cell lysis. Complement system is efficiently activated by human IgG1, IgG3 and IgM antibodies, weakly...

the complement system, acting as a multi-domain serine protease. Deficiency of C2 has been associated with certain autoimmune diseases. The Complement system...

dying cells (and some types of bacteria) in order to activate the complement system via C1q. CRP is synthesized by the liver in response to factors released...

Anaphylatoxins, or complement peptides, are fragments (C3a, C4a and C5a) that are produced as part of the activation of the complement system. Complement components...

Total complement activity (TCA) refers to a series of tests that determine the functioning of the complement system in an individual. A variety of tests...

recognize multiple distinct (unrelated) antigens. These can work with the complement system in the earliest phases of an immune response to help facilitate clearance...

Complement component 5 is a protein that in humans is encoded by the C5 gene. Complement component 5 is involved in the complement system. It is cleaved...

attack, kidney failure, and death. The complement system activation may be due to mutations in the complement regulatory proteins (factor H, factor I...

complement system. It binds to iC3b (inactive derivative of C3b), C3dg, or C3d. B cells express CR2 on their surfaces, allowing the complement system...

DNA-based methods of pathogen detection, particularly PCR. The complement system is a system of serum proteins that react with antigen-antibody complexes...

serine proteases and is necessary in innate immunity as a part of the complement system which eventuate in opsonisation of particles, release of inflammatory...

Complement factor B is a protein that in humans is encoded by the CFB gene. This gene encodes complement factor B, a component of the alternative pathway...