Recombinant rat GM-CSF protein

Supplementary information

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

GM-CSF also known as Granulocyte-Macrophage Colony-Stimulating Factor is a glycoprotein with a mass of approximately 23 kDa. This protein plays a mechanical role in stimulating the differentiation and proliferation of hematopoietic progenitor cells into granulocytes and macrophages. Its expression occurs in various cell types including macrophages T cells endothelial cells and fibroblasts. GM-CSF interacts with its specific receptor known as CSF2 receptor to exert its effects.

Biological function summary

GM-CSF influences the immune system by enhancing the functional capacity of mature neutrophils macrophages and eosinophils. GM-CSF protein acts alone and not as part of a larger protein complex. It is important in regulating immune responses and inflammation. Due to its role in promoting the survival and activation of these immune cells GM-CSF is important for mounting an effective immune defense in response to infections and other challenges.

Pathways

GM-CSF signaling is integral to the JAK-STAT pathway. This pathway is essential for transmitting signals from surface receptors like GM-CSF receptors into the nucleus thereby inducing gene expression that leads to cell survival and proliferation. GM-CSF also intersects with the ERK1/ERK2 MAPK pathway which is involved in regulating cellular processes such as division and differentiation. The GM-CSF receptor shares similarities with other cytokine receptors involved in these pathways making it related to various cytokines through its downstream signaling effects.

GM-CSF has a well-established connection to diseases like rheumatoid arthritis and multiple sclerosis. In rheumatoid arthritis overproduction of GM-CSF is linked to chronic inflammation and joint damage. In multiple sclerosis GM-CSF might contribute to the pathological immune responses against the central nervous system. Antibodies targeting GM-CSF or its receptor represent a therapeutic strategy for these autoimmune diseases. By modulating GM-CSF activity therapeutic approaches aim to reduce inflammation and autoimmunity highlighting the protein's importance in disease progression.