C-Reactive Protein (CRP) (174-185)

C-Reactive Protein (CRP) (174-185) is a synthetic peptide fragment derived from the C-terminal region of the human C-reactive protein, a well-known acute-phase reactant in inflammatory processes. This peptide segment has garnered significant attention in the fields of immunology and biochemical research due to its unique sequence and its ability to mimic certain functional aspects of the native protein. With its defined structure and high degree of specificity, CRP (174-185) serves as a valuable molecular tool for probing the intricate mechanisms underlying inflammation, immune response modulation, and protein-protein interactions. Researchers utilize this compound to dissect the roles of specific CRP domains, facilitating a deeper understanding of how this protein contributes to various physiological and pathological states.

Immunological Mechanism Studies: CRP (174-185) peptide is widely employed in immunological research to elucidate the precise mechanisms through which C-reactive protein mediates immune responses. By isolating this specific sequence, scientists can investigate how the peptide interacts with immune cell receptors, such as Fcγ receptors, and examine its influence on phagocytosis, cytokine production, and complement activation. These studies are instrumental in dissecting the domain-specific activities of CRP, providing insights into how discrete regions of the protein contribute to its overall immunomodulatory functions. Utilizing this fragment allows for controlled experiments that distinguish the biological effects of the C-terminal region from the full-length protein, advancing the understanding of immune regulation and inflammation.

Protein-Protein Interaction Assays: The CRP (174-185) fragment is frequently used in biochemical assays designed to map protein-protein interactions. Researchers leverage this peptide to identify binding partners that specifically recognize the C-terminal domain of CRP, which can play a critical role in mediating downstream signaling events. By incorporating the peptide into pull-down assays, surface plasmon resonance studies, or fluorescence polarization experiments, investigators can characterize the affinity and specificity of molecular interactions. Such work is essential for delineating the structural basis of CRP's involvement in cellular signaling pathways and for identifying novel regulatory proteins that may interact with this region.

Epitope Mapping and Antibody Development: The defined sequence of CRP (174-185) makes it an ideal candidate for epitope mapping studies and the development of monoclonal or polyclonal antibodies. By synthesizing this peptide and using it as an immunogen or as a target in screening assays, scientists can generate antibodies that selectively recognize the C-terminal region of CRP. These antibodies are invaluable tools for both basic research and diagnostic applications, enabling the detection, quantification, or localization of CRP in diverse biological samples. Furthermore, epitope mapping using this peptide fragment helps clarify the antigenic determinants of CRP, which is crucial for understanding immune recognition and for designing targeted immunoassays.

Inflammation Pathway Analysis: The CRP (174-185) peptide is also utilized in studies aimed at unraveling the molecular pathways involved in inflammatory responses. By applying this fragment to cultured cells or tissue models, researchers can monitor changes in gene expression, signal transduction, and cellular behavior in response to CRP-derived stimuli. These experiments help clarify how specific CRP domains modulate inflammation, and they provide valuable data for the identification of potential therapeutic targets within inflammatory cascades. The use of this peptide in pathway analysis contributes to a more nuanced view of inflammation, supporting the development of novel anti-inflammatory strategies.

Biomarker Validation and Quantification: In the context of biomarker research, the CRP (174-185) fragment serves as a reference standard or calibration tool in quantitative assays designed to measure CRP levels in biological fluids. By incorporating the peptide into ELISA, mass spectrometry, or immunoassay platforms, laboratories can enhance the accuracy and reproducibility of CRP quantification. This application is particularly relevant in studies investigating the correlation between CRP levels and disease states, as it ensures reliable detection and measurement of the protein's presence. The use of this well-characterized peptide thus underpins robust biomarker validation efforts, supporting translational research in inflammation and immune monitoring.

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