Producto del catálogo Hycult Biotech. Referencia del fabricante: HK3017.
C3d, a critical fragment of complement protein C3, significantly impacts innate and adaptive immunity. This system, encompassing a diverse array of proteins and receptors in the body’s fluids and tissues, activates through three pathways: classical, lectin, and alternative. Each pathway generates a C3 convertase, splitting C3 into C3b and the anaphylatoxin C3a. C3b’s further breakdown on cell surfaces kickstarts the terminal complement pathway, creating C3d.
As the most abundant complement system protein, C3 has a molecular weight around 185kDa. C3d, at 38.9 KDa and non-glycosylated, emerges from C3b’s continual cleavage. It’s crucial in immune regulation, especially via interactions with complement receptor 2 (CR2). This role is essential in conditions like transplant rejection, kidney diseases, AMD, and various inflammatory diseases. C3d’s diagnostic value lies in its ability to indicate active complement activation, offering a more precise reflection than C3 and C4 levels. Despite the challenge that most antibodies can’t differentiate between C3d’s active and native states, its importance in the immune system and as a disease marker remains clear.
- Reactividad / especie: Human
- Aplicaciones: The Human C3d ELISA kit is to be used for the in vitro quantitative determination of C3d in plasma and serum samples.
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