complement protein


Also found in: Acronyms.

complement protein

n.
A substance that is produced by a predecessor protein or in response to the presence of foreign material in the body and that triggers or participates in a complement reaction.
References in periodicals archive ?
Thats why the researchers also investigated whether the elevated complement protein levels that would be predicted by their study show up in patients cerebrospinal fluid (CSF) the fluid collected by a spinal tap.
The system is "activated" either by the interaction of complement proteins with antibody-antigen complexes (classical pathway) or by interaction with the unusual carbohydrate found on the surface of pathogenic (non-self) organisms (lectin and alternative pathways).
Elevated levels of serum complement proteins, C3c and C4, were detected in patients with CE compared to healthy controls.
Pointing to recent findings that show Clq, a key complement protein, increasingly collects at the synapses with age, Barres says immune signaling may be at play in such diseases as well.
Structure and biology of complement protein C3, a connecting link between innate and acquired immunity.
In a normal immune response, some complement proteins activate neutrophils to combat bacteria.
About 90 percent of people who lack the complement protein C1q, for example, have systemic lupus erythematosus, an autoimmune disease.
The first complement molecule, which is called C1Q, recognizes the attached antibody and activates the next complement protein - and so on down the line.
Complement proteins and microglia are known to be active in late-stage Alzheimer's, when the inflamed brain is packed with sticky gobs of A-beta.
coated) with complement proteins, weakening or rupturing (i.
Initial PE can aid by removing activated complement proteins and clearing potential anti-complement antibodies.

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