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CSF1R, the protein encoded by the CSF1R gene is a tyrosine kinase transmembrane receptor and member of the CSF1/PDGF receptor family of tyrosine-protein kinases. CSF1R has 972 amino acids, is predicted to have a molecular weight of 107.984 kilo daltons , and is composed of an extracellular and a cytoplasmic domain .
Additionally, high levels of CSF-1 expression are observed in the endometrial epithelium of the pregnant uterus as well as high levels of its receptor CSF1R in the placental trophoblast. Studies have shown that activation of trophoblastic CSF1R by local high levels of CSF-1 is essential for normal embryonic implantation and placental development.
The CSF1 receptor protein primarily functions in regulation, survival, proliferation, and differentiation of microglial cells. [5] The mechanism of microglial dysfunction due to mutations in CSF1R to the myelin loss and axonal spheroid formation remains unknown. Further research is needed to better understand disease pathogenesis.
The granulocyte-macrophage colony-stimulating factor receptor is a heterodimer composed of at least two different subunits; an α chain, and a β chain which is also present in the receptors for IL-3 and IL-5. The α subunit contains a binding site for granulocyte macrophage colony-stimulating factor, but associates with the ligand only with ...
Imatinib is a small molecule inhibitor targeting multiple tyrosine kinases such as CSF1R, ... C-kit receptors ... The last pathway that Bcr-Abl affects is the JAK ...
Emactuzumab [1] (RG-7155) is a humanized monoclonal antibody directed against colony stimulating factor 1 receptor (CSF-1R) expressed on macrophages [2] [3] and has demonstrated a profound antitumor effect through interference with the CSF-1/CSF-1R axis, along with a manageable safety profile in patients with diffuse-type tenosynovial giant cell tumors (d-TGCT).
FLT1 is a member of VEGF receptor gene family. It encodes a receptor tyrosine kinase which is activated by VEGF-A, VEGF-B, and placental growth factor.The sequence structure of the FLT1 gene resembles that of the FMS (now CSF1R) gene; hence, Yoshida et al. (1987) proposed the name FLT as an acronym for FMS-like tyrosine kinase.
G protein-coupled receptors are involved in many diseases, and thus are the targets of many modern medicinal drugs. [16] There are two principal signal transduction pathways involving the G-protein coupled receptors: the cAMP signaling pathway and the phosphatidylinositol signaling pathway. [17] Both are mediated via G protein activation. The G ...