The fms-like tyrosine kinase (Flt) is a transmembrane receptor in the tyrosine kinase family. It shares similar features with two other flt-family encoded proteins KDR/Flk-1 and Flt-4 and has been recently identified as a receptor for vascular endothelial growth factor (VEGF). It encodes for a 180 kD glycoprotein, binds VEGF with high affinity and undergoes autophosphorylation. It regulates cell migration through modulating actin reorganization, which is essential for cell motility. It also plays a key role in vascular development, regulation of vascular permeability and induction of proliferation of vascular endothelial cells. It is specifically expressed in most of the vascular endothelial cells, and also expressed in peripheral blood monocytes. The Human frt sequence was found to be conserved in a wide variety of vertebrates. It is located on chromosome 13q12. Alternatively spliced transcript variants encoding two isoforms, Flt1 and sFlt1 have been described, with the isoform sFlt1 having an inhibitory role in angiogenesis.
Applications:
Suitable for use in Immunohistochemistry. Other applications not tested.
Recommended Dilution:
Immunohistochemistry (paraffin): 1:50-1:100
Optimal dilutions to be determined by the researcher.
Positive Control:
Angiosarcoma
Cellular Localization:
Cytoplasmic
Storage and Stability:
May be stored at 4 degrees C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Aliquots are stable for 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.