Human C-Reactive Protein (CRP)
Native whole molecule
Produktdetails
Synonyms
CRP
Description of Human C-Reactive Protein (CRP)
C-reactive protein (CRP), an acute-phase reactant, belongs to the pentraxin family characterized by calcium-dependent ligand binding. Each 24 kDa subunit contains a phosphocholine (PC)-binding site on its recognition face, enabling opsonization of pathogens and apoptotic cells via exposed PC moieties on bacterial membranes or oxidized low-density lipoprotein (OxLDL). CRP activates the classical complement pathway by binding C1q and Fcγ receptors, enhancing phagocytosis and inflammatory cytokine release. Under inflammatory conditions, pentameric CRP (pCRP) dissociates into pro-inflammatory monomers (mCRP) at sites of endothelial activation, amplifying leukocyte adhesion and vascular permeability. Clinically, CRP serves as a biomarker for systemic inflammation, with plasma levels rising from <5 mg/L in healthy individuals to >200 mg/L in severe sepsis or trauma. Elevated baseline high-sensitivity CRP (hs-CRP >3 mg/L) predicts cardiovascular events, correlating with atherosclerosis progression and endothelial dysfunction. In oncology, CRP >10 mg/dL portends poor prognosis in pancreatic cancer, reflecting tumor-associated inflammation. CRP also links metabolic dysregulation, with levels >2.9 mg/L increasing type 2 diabetes risk via IL-6-mediated insulin resistance6. Autoimmune disorders like rheumatoid arthritis show CRP elevation proportional to disease activity, while Alzheimer’s disease involves CRP binding amyloid-β plaques to modulate neuroinflammation.
Source
Plasma shown to be non-reactive for HBsAg, anti-HCV, anti-HBc, and negative for anti-HIV 1 & 2 by FDA-required tests.
Storage
For long term, store Human C-Reactive Protein (CRP) at ≤ -80°C.
Applications
In Vitro Diagnostics, Inflammation, Complement System, Cardiovascular Disease, Rheumatoid Arthritis, Cancer, Alzheimer's.
Citations/Publications
NCBI: https://www.ncbi.nlm.nih.gov/protein/P02741
Shipped with dry ice
Gel Scan of Human C-Reactive Protein (CRP)
Fig. 1: SDS-PAGE Gel |
Usage: For research use only. Not for use in diagnostic or therapeutic procedures. Not for human use.
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