Recombinant Mouse CCL1 protein (Fc Chimera)

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The CCL1 protein also known as I-309 protein is a cytokine that plays a significant role in the immune system. Its molecular mass is approximately 10 kDa. CCL1 is secreted by activated T cells and is found extensively in the thymus. It binds to the CCR8 receptor which suggests its involvement in immune signaling. This protein belongs to the CC chemokine family which is characterized by the presence of two adjacent cysteines near the amino terminus.

Biological function summary

CCL1 influences immune cell trafficking and activation. It attracts monocytes T lymphocytes and some types of dendritic cells to sites of inflammation. Although it is not part of a large protein complex CCL1 works with other chemokines to modulate the immune response contributing to both innate and adaptive immune mechanisms. Its expression may increase or decrease depending on the immune needs of the body.

Pathways

Studies show that CCL1 participates in the chemokine signaling pathway and the effector T-cell pathway. Within the chemokine signaling pathway CCL1 interacts with other chemokines like CCL17 and proteins involved in T-cell migration. This pathway helps coordinate the movement of immune cells to sites of inflammation or injury ensuring an effective immune response.

Research links CCL1 to conditions such as asthma and rheumatoid arthritis. In asthma CCL1 levels influence the recruitment of immune cells to the lungs contributing to inflammation and airway hyper-responsiveness. Similarly in rheumatoid arthritis its interaction with CCR8 has been associated with synovial inflammation. These diseases indicate that CCL1’s role in immune cell migration can have pathological consequences when dysregulated.