Human Sphingosine Kinase 1/SPHK1 Antibody

Catalog # Availability Size / Price Qty
MAB55361-100
MAB55361-SP
Sphingosine Kinase 1/SPHK1  in HepG2 and U266 Human Cell Lines.
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Human Sphingosine Kinase 1/SPHK1 Antibody Summary

Species Reactivity
Human
Specificity
Detects human Sphingosine Kinase 1/SPHK1 in direct ELISAs.
Source
Monoclonal Mouse IgG2B Clone # 647705
Purification
Protein A or G purified from cell culture supernatant
Immunogen
S. frugiperda insect ovarian cell line Sf 21-derived recombinant human Sphingosine Kinase 1/SPHK1
Asp2-Leu398
Accession # Q9NYA1
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Immunocytochemistry
8-25 µg/mL
See below

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Data Example

Immunocytochemistry Sphingosine Kinase 1/SPHK1  in HepG2 and U266 Human Cell Lines. View Larger

Sphingosine Kinase 1/SPHK1 in HepG2 and U266 Human Cell Lines. Sphingosine Kinase 1/SPHK1 was detected in immersion fixed HepG2 human hepatocellular carcinoma cell line (positive stain) and U266 human myeloma cell line (negative stain) using Mouse Anti-Human Sphingosine Kinase 1/SPHK1 Monoclonal Antibody (Catalog # MAB55361) at 8 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Mouse IgG Secondary Antibody (red; Catalog # NL007) and counterstained with DAPI (blue). Specific staining was localized to nuclei and cytoplasm. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Preparation and Storage

Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Availability
Size / Price
Qty
RB01
Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: Sphingosine Kinase 1/SPHK1

Sphingosine kinases are cytosolic or membrane‑associated enzymes that catalyze the phosphorylation of sphingosine to sphingosine‑1‑phosphate (S1P). Two types of sphingosine kinases, SPHK1 and SPHK2, are known to be expressed in human cells. The two enzymes share considerable amino acid sequence similarity, but differ in their N‑terminal and central regions (1). The two proteins also differ in tissue distribution and some kinetic properties (1). S1P is a lipid messenger that regulates diverse physiological processes including cell proliferation, migration, apoptosis, inflammation, calcium homeostasis and cytoskeletal structure (2, 3). The level of S1P is tightly controlled by SPHKs and S1P degrading enzymes. SPHK1 and its activation can be stimulated by several growth factors such as tumor necrosis factor-alpha, epidermal growth factor and transforming growth factor-beta (3, 4). Expression of SPHK1 has been found to increase in many human solid tumors and overexpression of SPHK1 is associated with tumor angiogenesis (5). Such studies have implicated SPHK1 as a new target for cancer treatment.

References
  1. Liu, H. et al. (2000) J. Biol. Chem. 275:19513.
  2. Spiegel, S. (1999) J. Leukocyte Biol. 65:341.
  3. Alemany, R. et al. (2007) Naunyn-Schmiedegerg’s Arch. Pharmacol. 374:413.
  4. Pederson, L. et al. (2008) Proc. Natl. Acad. Scis USA. 105:20764.
  5. Shida, D. et al. (2008) Curr. Drug Targets. 9:662.
Entrez Gene IDs
8877 (Human); 20698 (Mouse); 170897 (Rat)
Alternate Names
EC 2.7.1.91; SK1; sphingosine kinase 1; SPHK1; SPHKSK 1; SPK 1; SPK; SPK1

Product Datasheets

FAQs

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Cell and Tissue Staining Kits

Isotype Controls

Reconstitution Buffers

Secondary Antibodies

Mouse IgG2B Antibody

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