Recombinant Human CXCL1/GRO alpha protein

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

CXCL1 also known as GRO alpha or KC in certain species is a chemokine with a molecular mass of around 7.8 kDa. This protein is primarily secreted by macrophages neutrophils and endothelial cells. It plays a critical role in the recruitment of neutrophils during inflammation and acts by binding to the CXCR2 receptor. CXCL1 is expressed in many tissues including lungs liver and skin where it regulates the immune response and facilitates tissue repair.

Biological function summary

CXCL1 functions as a significant mediator in inflammatory processes. It does not form a complex but acts independently to exert its effects. By attracting neutrophils to sites of injury or infection CXCL1 supports the body's defense mechanisms. This chemokine also influences angiogenesis contributing to the formation of new blood vessels which is essential in wound healing and tissue regeneration.

Pathways

CXCL1 plays a role in both the NF-kB signaling and MAPK signaling pathways. These pathways are pivotal for the regulation of immune and inflammatory responses. CXCL1 acts alongside proteins such as IL-8 another chemokine that also binds to the CXCR2 receptor. Through these pathways CXCL1 influences the activation and migration of immune cells facilitating a rapid response to inflammatory stimuli.

CXCL1 has a significant association with conditions such as chronic obstructive pulmonary disease (COPD) and rheumatoid arthritis. In COPD elevated levels of CXCL1 contribute to persistent inflammation and neutrophil infiltration. In rheumatoid arthritis CXCL1 participates in joint inflammation and damage interacting with proteins like TNF-alpha which amplifies inflammatory responses. Understanding the role of CXCL1 in these conditions could help guide the development of targeted therapies to mitigate inflammation and tissue damage.