Administration of exogenous colony stimulating factors stimulates the stem cells in the bone marrow to produce more of the particular white blood cells. Granulocyte colonystimulating factor attenuates neuronal death. Colony stimulating factors are glycoproteins that promote production of white blood cells mainly granulocytes such as neutrophils, in response to infection. The four factors are interleukin3 il3, stem cell factor scf or kit ligand, granulocyte colony stimulating factor gcsf, and granulocytemacrophage colony stimulating factor gmcsf. These include growth factors, cytokines and peptides, which have the. These factors are released from activated tlymphocytes, monocytes, and endothelial cells at the site of infection to stimulate granulopoiesis.
Colonystimulating factors csfs are secreted glycoproteins that bind to receptor proteins on the surfaces of hemopoietic stem cells, thereby activating intracellular signaling pathways that can cause the cells to proliferate and differentiate into a specific kind of blood cell usually white blood cells. Granulocytecolony stimulating factor gcsf for stroke. Pdf we have determined the threedimensional structure of recombinant human granulocytecolonystimulating factor by xray crystallography. Gcsf in blood ranges from 20 to 100 pgml inhealthy individuals. Neutropenia is a severe drop in infectionfighting white blood cells neutrophils.
Colony stimulating factors coverage determination for provider use only other questions. Colony stimulating factors are used to regulate the proliferation, differentiation, survival and activation of myeloid cells. Patient risk factors for the development of febrile neutropenia include but are not limited to nccn guidelines version 1. Colony stimulating factors csfs prior approval criteria. Effects of combination with colonystimulating factors. Paralogs of common carp granulocyte colonystimulating factor. Please contact aetna better health of michigan at 18663163784 with questions regarding the prior authorization process. The new white blood cells migrate into the blood and fight the infection. Colony stimulating factor an overview sciencedirect topics. Colony stimulating factors in myelodysplastic syndromes.
Mammalian granulocyte colonystimulating factor gcsf. Direct proliferative actions of stem cell factor on murine bone marrow cells in vitro. Colony stimulating factors are used in patients who are undergoing cancer treatment that causes low white blood cell counts neutropenia and puts the patient at risk of infections. Colonystimulating factor 1 receptor csf1r regulates microglia. Fax signed forms to aetna better health of michigan at 18557992551. Colony stimulating factors csfs prior approval criteria august 2017 overview colony stimulating factors csfs are biosynthetic products that stimulate the development of white blood cells such as neutrophils and macrophages infectionfighting blood cells. Is the request for an inpatient that is awaiting discharge. It regulates the production, maturation, andfunction of the neutrophil lineage. Colony stimulating factors this fax machine is located in a secure location as required by hipaa regulations. Poor performance status eastern cooperative oncology group 3 or 4 or hiv infection in particular, those with low cd4 counts.
In this context, their receptors were unexpectedly found on painsensing nerves and were observed to be functionally linked to nociceptive. Granulocyte colonystimulating factor gcsf is a protein that stimulates. Previously we showed that granulocyte colonystimulating factor. Pdf the structure of granulocytecolony stimulating factor gcsf.