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GM-CSF is a monomeric glycoprotein that functions as a cytokine—it is a white blood cell growth factor. [6] GM-CSF stimulates stem cells to produce granulocytes (neutrophils, eosinophils, and basophils) and monocytes. Monocytes exit the circulation and migrate into tissue, whereupon they mature into macrophages and dendritic cells.
In addition, after stimulation of β subunit mRNA levels coding α chain decrease and on the contrary expression of soluble α subunit is upregulated. Soluble GM-CSFRα then clutches free ligands with similar affinity as membrane receptor and prevents binding of GM-CSF to the cell surface. GM-CSFRα can be also cleaved off of the membrane receptor.
The GM-CSF and IL-3 both work together to stimulate production of all lines. When erythropoietin (EPO) is present, red blood cell production from the CFU-GEMM will be activated. G-CSF, M-CSF, IL-5, IL-4, and IL-3 stimulate the production of neutrophils, monocytes, eosinophils, basophils, and platelets, respectively.
The name "colony-stimulating factors" comes from the method by which they were discovered. Hematopoietic stem cells were cultured (see cell culture) on a so-called semisolid matrix, which prevents cells from moving around, so that, if a single cell starts proliferating, all of the cells derived from it will remain clustered around the spot in the matrix where the first cell was originally located.
GM-CSF: granulocyte macrophage colony-stimulating factor: GMP: guanosine monophosphate: GN: glomerulonephritis: GNRH: gonadotropin-releasing hormone: GOAT: Galveston Orientation and Amnesia Test: GOC: Goals of care GOD: glucose oxidase: GOMER: get outta my emergency room GORD: gastro-oesophageal reflux disease: GOT: glutamic-oxalacetic ...
Filgrastim (Neupogen) and PEG-filgrastim (Neulasta) are two commercially available forms of rhG-CSF. The PEG (polyethylene glycol) form has a much longer half-life, reducing the necessity of daily injections. Another form of rhG-CSF called lenograstim is synthesised in Chinese hamster ovary cells (CHO cells). As this is a mammalian cell ...
General Motors said on Tuesday it had completed the full acquisition of its Cruise business to focus on developing the autonomous technology for personal vehicles not robotaxis. The Detroit ...
CFU-GM (Colony Forming Unit–Granulocyte–Macrophage [a]), also known as granulocyte–macrophage progenitor (GMP), is a colony forming unit. It is derived from CFU-GEMM. It is the precursor for monoblasts and myeloblasts. Production is stimulated by granulocyte macrophage colony-stimulating factor (GM-CSF).