Vimentin Polyclonal Antibody
Affinity’s Vimentin Polyclonal Antibody is the base level of our Vimentin antibody family. The purity of IgG is typically 90% and is provided in a solution of HEPES buffered saline containing 50% glycerol (v/v). The titre is essentially the same as the starting antiserum and each vial typically contains the amount of IgG recovered from one milliliter of antiserum. This Vimentin Polyclonal Antibody is generally intended for use in applications such as immuno-precipitation, immuno-electrophoresis, immuno-depletion and activity neutralization assays.
Product Code: SAVM-IG
Retail Product Size: 10mg vial
Host Animal: Sheep Anti-Human Vimentin Polyclonal Antibody
Species Cross Reactivity: View Chart
Product Datasheet: Vimentin Polyclonal Antibody, purified anti-human sheep IgG
Description of Vimentin (VM)
Intermediate filaments (IFs), along with microfilaments and microtubules are the three major filament systems that form the architectural basis of most eukaryotic cells. Vimentin, with a molecular weight of 58 kDa, is a Type III intermediate filament found in cells of mesenchymal origin including endothelial cells, megakaryocytes and platelets as well as in most cultured cell lines. As with other IFs, vimentin provides a physical linkage between the plasma membrane and the nuclear envelope. The carboxy-terminus of vimentin associates with the lamin B of the nuclear envelope whereas the amino-terminus associates with the plasma membrane either directly or indirectly. In general, it is believed that IFs, including vimentin, provide a network onto which various enzyme systems, intracellular structures and organelles are spatially arranged within the cytoplasm. IFs may also play an active role in the re-organization of intracellular components in response to extracellular signals via their disassembly and reassembly. In normal vascular endothelium, vimentin, along with other cytoskeletal proteins, are typically not exposed to extracellular plasma proteins. However, with damage to endothelial cells, exposure of these cytoskeletal components may play a role in thrombogenesis or inflammatory responses. For example, it has been demonstrated that vimentin can bind complement components as wells as immunoglobulins. Vimetin has also been shown to bind vitronectin and vitronectin/PAI-1 complexes in LPS-damaged endothelial cells.1-3
References and Reviews
- Steinert, P.M. and Roop, D.R. Molecular and cellular biology of intermediate filaments. Ann. Rev. Biochem. 57:593-625, 1988.
- Albrect, D.L., Mills, J.W. and Noelle, R.J. Membrane Ig-Cytoskeletal interatctions: receptor cross-linking results in the formation of extensive filamentous arrays of vimentin. J. Immunol. 144:3251-3256, 1990.
- Podor, T.J. and Loskutoff, D.J. Binding of PAI-1/vitronectin complexes to the intermediate filament cytoskeleton of endotoxin injured endothelial cells. Fibrinolysis (suppl.), 4:263a, 1990.