- CITATIONS: 27
|Application ||WB, IHC-P, E|
|Reactivity||Human, Mouse, Rat|
|Calculated MW||42518 Da|
|Antigen Region||286-315 aa|
|Other Names||Sphingosine kinase 1, SK 1, SPK 1, SPHK1, SPHK, SPK|
|Target/Specificity||This SPHK1 antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 286-315 amino acids from the Central region of human SPHK1.|
|Format||Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein A column, followed by peptide affinity purification.|
|Storage||Maintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.|
|Precautions||SPHK1 Antibody (Center) is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Catalyzes the phosphorylation of sphingosine to form sphingosine 1-phosphate (SPP), a lipid mediator with both intra- and extracellular functions. Also acts on D-erythro- sphingosine and to a lesser extent sphinganine, but not other lipids, such as D,L-threo-dihydrosphingosine, N,N- dimethylsphingosine, diacylglycerol, ceramide, or phosphatidylinositol.|
|Cellular Location||Cytoplasm. Nucleus. Cell membrane. Note=Translocated from the cytoplasm to the plasma membrane in a CIB1-dependent manner|
|Tissue Location||Widely expressed with highest levels in adult liver, kidney, heart and skeletal muscle|
Provided below are standard protocols that you may find useful for product applications.
Sphingosine Kinase (SphK) catalyzes the phosphorylation of the lipid sphingosine, creating the bioactive lipid sphingosine-1-phosphate (S1P). S1P subsequently signals through cell surface G protein-coupled receptors, as well as intracellularly, to modulate cell proliferation, survival, motility and differentiation. SphK is an important signaling enzyme which is activated by diverse agents, including growth factors that signal through receptor tyrosine kinases, agents activating G protein-coupled receptors, and immunoglobulin receptors. Two SphK isotypes, SphK-1 and SphK-2, have been cloned, and both isotypes are ubiquitously expressed. SphK-1 has been shown to mediate cell growth, prevention of apoptosis, and cellular transformation, and is upregulated in a variety of human tumors. In contrast, SphK-2 increases apoptosis, and may be responsible for phosphorylating and activating the immunosuppressive drug FTY720.
Ota, T., et al., Nat. Genet. 36(1):40-45 (2004). Nava, V.E., et al., FEBS Lett. 473(1):81-84 (2000). Melendez, A.J., et al., Gene 251(1):19-26 (2000). Pitson, S.M., et al., Biochem. J. 350 Pt 2, 429-441 (2000).
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