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Complement System

Complement System

The complement system, which is made up of more than 30 serum and cell surface components, works with the innate and acquired immune systems to recognize and get rid of pathogens. Following the activation of the complement system, a series of events involving proteolysis and assembly lead to the cleavage of the third complement component (C3). The activation pathway refers to the cascade that leads to C3 cleavage. The classical, lectin, and alternative pathways are the three types of activation.

The complement cascade is a double-edged sword that causes phagocytosis and inflammation while also providing defense against viral and bacterial invasion. If complement is not properly controlled, it can cause significant pathological damage to erythrocytes (hemolysis), kidney basement membrane and attached endothelial and epithelial cells (nephritis), joint synovium (arthritis), and blood vessels (vasculitis).

Complement System related products

Structure Cat No. Product Name CAS No. Product Description
3-O-(2'E,4'Z-Decadienoyl)ingenol (3-O-(2'E,4'Z-Decadienoyl) ingenol) V74793 3-O-(2'E,4'Z-Decadienoyl)ingenol (3-O-(2'E,4'Z-Decadienoyl) ingenol) 84680-59-1 3-O-(2'E,4'Z-Decadienoyl)ingenol is a naturally occurring diterpene with significant anti-complement activity with IC50 of 89.5 μM.
3-Phenoxybenzaldehyde (m-Phenoxybenzaldehyde) V74774 3-Phenoxybenzaldehyde (m-Phenoxybenzaldehyde) 39515-51-0 3-Phenoxybenzaldehyde has weak inhibitory activities on the classical pathway of complement and hemolytic activity.
[DArg10, Aib20] TLQP-21 V109031 [DArg10, Aib20] TLQP-21 [DArg10, Aib20] TLQP-21 is an analogue of TLQP-21 and is a partial agonist and antagonist of C3aR (recruited via β-arrestin, EC50 of 854 nM).
[DArg10, DAla20] TLQP-21 V109154 [DArg10, DAla20] TLQP-21 [DArg10, DAla20] TLQP-21 is an analogue of TLQP-21, a C3aR agonist (EC50 value of β-arrestin recruitment is 87 nM).
A7RC V127991 A7RC 632358-46-4 A7RC is a multifunctional peptide for targeted cancer therapy, with a cysteine residue added to its C-terminus (sequence: ATWLPPR).
ACT-1014-6470 V114441 ACT-1014-6470 2363082-87-3 ACT-1014-6470 is an orally effective, reversible, selective C5aR1 antagonist.
ADH-503 [(Z)-Leukadherin-1 choline] V37572 ADH-503 [(Z)-Leukadherin-1 choline] 2055362-74-6 ADH-503[(Z)-Leukadherin-1 choline] is a novel, potent, selective, orally bioactive and allosteric agonist of the integrin CD11b to mitigate myeloid cell immunosuppression.
ADH-503 free base V40131 ADH-503 free base 2055362-72-4 ADH-503 free base [(Z)-Leukadherin-1]is a novel, potent, selective,orally bioactive and allostericagonist of the integrin CD11b to mitigate myeloid cell immunosuppression.
Agazisiran V116777 Agazisiran 2985646-78-2 Agazisiran is a siRNA that inhibits the synthesis of complement factor B.
Agazisiran sodium V116779 Agazisiran sodium Sodium agazisiran is a siRNA that inhibits the synthesis of complement factor B.
Agazisiran sodium scrambled negative control V128392 Agazisiran sodium scrambled negative control The Agazisiran sodium scrambled negative control is a negative control with the sequence of Agazisiran sodium scrambled.
AKIR001 V128438 AKIR001 AKIR001 is a high-affinity human IgG1 antibody that targets CD44v6.
ANX-M1 (Human IgG1) V129207 ANX-M1 (Human IgG1) ANX-M1 (Human IgG1) is an anti-C1q antibody that can cross the blood-brain barrier.
ARC186 V77244 ARC186 ARC 186 is a nucleic acid aptamer and a potent complement inhibitor that works by blocking C5 activation catalyzed by invertase.
ARC186 sodium V86833 ARC186 sodium ARC186 (sodium) is a PEGylated nucleic acid aptamer.
Ascuprubart V129491 Ascuprubart 3056020-15-3 Ascuprubart is an anti-human monoclonal antibody that targets complement C5.
ASP-1948 V129511 ASP-1948 ASP-1948 is a human monoclonal antibody (mAb) that targets NRP1/VEGF165R/CD34.
ATR-IN-27 V129630 ATR-IN-27 1613196-89-6 ATR-IN-27 is an ATR inhibitor with a Ki value greater than 0.01 μM but less than 1 μM.
ATWLPPR Peptide TFA V77228 ATWLPPR Peptide TFA ATWLPPR Peptide TFA is a selective neuropilin-1 (NRP-1) inhibitor that can inhibit the binding of VEGF165 to NRP-1 and can be used for angiogenesis research.
Avacincaptad pegol V74790 Avacincaptad pegol 1613641-69-2 Avacincaptad pegol (Izervay) is a nucleic acid aptamer that works as a C5 complement inhibitor to reduce inflammation-related retinal pigment epithelial (RPE) damage.
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