Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:2.7.10.2 (focal adhesion kinase)
 44,029 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The granulocyte colony-stimulating factor receptor (G-CSFR) regulates the proliferation, differentiation and survival of neutrophilic progenitor cells. In these studies, we introduced mutant G-CSFRs with cytoplasmic domains truncated approximately every 30 amino acids from the C-terminus into interleukin-3 (IL-3)-dependent myeloid LGM-1 cells. The G-CSFR membrane proximal region containing the Box 2 homology sequence was determined to be critical for proliferative signaling, as well as for activation of Janus kinase (JAK2) and p44/42 mitogen-activated protein kinase (MAPK) following G-CSF stimulation. In the presence of increasing concentrations of JAK2 or p44/42 MAPK inhibitors, LGM-1 cells expressing the full-length G-CSFR exhibited a decreased capacity to proliferate in response to G-CSF. These results demonstrate that JAK2 and p44/42 MAPK activation is involved in proliferative signaling through the G-CSFR membrane proximal region containing the Box 2 homology sequence.
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PMID:Distinct region of the granulocyte colony-stimulating factor receptor mediates proliferative signaling through activation of Janus kinase 2 and p44/42 mitogen-activated protein kinase. 1181 52