Human Sphingosine Kinase 1/SPHK1 Antibody

R&D Systems, part of Bio-Techne | Catalog # MAB55361

R&D Systems, part of Bio-Techne
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MAB55361-100
MAB55361-SP
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Key Product Details

Species Reactivity

Human

Applications

Immunocytochemistry

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG2B Clone # 647705

View all Sphingosine Kinase 1/SPHK1 Antibodies »

Product Specifications

Immunogen

S. frugiperda insect ovarian cell line Sf 21-derived recombinant human Sphingosine Kinase 1/SPHK1
Asp2-Leu398
Accession # Q9NYA1

Specificity

Detects human Sphingosine Kinase 1/SPHK1 in direct ELISAs.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG2B

Scientific Data Images for Human Sphingosine Kinase 1/SPHK1 Antibody

Sphingosine Kinase 1/SPHK1 antibody in HepG2 and U266 Human Cell Lines by Immunocytochemistry (ICC).

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.

Applications for Human Sphingosine Kinase 1/SPHK1 Antibody

Application
Recommended Usage

Immunocytochemistry

8-25 µg/mL
Sample: Immersion fixed HepG2 human hepatocellular carcinoma cell line

Formulation, Preparation, and Storage

Purification

Protein A or G purified from cell culture supernatant

Reconstitution

Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Reconstitution Buffer Available:
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Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

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.

Alternate Names

SK1, SPK1

Entrez Gene IDs

8877 (Human); 20698 (Mouse); 170897 (Rat)

Gene Symbol

SPHK1

UniProt

Q9NYA1

Additional Sphingosine Kinase 1/SPHK1 Products

Product Documents for Human Sphingosine Kinase 1/SPHK1 Antibody

Product Datasheets

Certificate of Analysis

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Product Specific Notices for Human Sphingosine Kinase 1/SPHK1 Antibody

For research use only

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