Western blot shows Human/Mouse/Rat PTEN Monoclonal Antibody (Catalog # MAB847) immunopreciptate of MRC‑5 human embryonic lung fibroblast cell line, mouse and rat brain tissue untreated (-) or treated (+) with 300 U/mL ...read more
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.
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.
Immunogen affinity purified
Reconstitute at 0.2 mg/mL in sterile PBS.
This product is covered under US Pat. Nos. 6,262,242 and 6,482,795 and other pending patent applications.
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for PTEN [p Ser380] Antibody
MMAC1 phosphatase and tensin homolog deleted on chromosome 10
Mutated in multiple advanced cancers 1
phosphatase and tensin homologDEC
phosphatidylinositol-34,5-trisphosphate 3-phosphatase and dual-specificityprotein phosphatase PTEN
The tumor suppressor gene PTEN (phosphatase and tensin homolog deleted on chromosome 10), also known as MMAC1 (mutated in multiple advanced cancers 1), encodes a phosphatase that contains the catalytic signature motif (HCXXGXXRS/T) found in all members of the protein tyrosine phosphatase family. In vitro, the recombinant PTEN has both lipid phosphatase and protein phosphatase activities (1, 2). Interestingly, accumulating evidence has shown that the tumor suppressor activity of PTEN relies on its ability to dephosphorylate phosphatidylinositol (3, 4, 5)-triphosphate specifically at position 3 of the inositol ring (3). This activity reduces the levels of phosphatidylinositol (3, 4, 5)-triphosphate which is specifically produced from phosphatidylinositol (4, 5)-diphosphate by PI 3-kinase upon activation by a variety of stimuli. Therefore, PTEN antagonizes PI 3-kinase-induced downstream signaling events and cellular processes including cell growth, apoptosis and cell motility. In vivo, the importance of PTEN catalytic activity in its tumor suppressor functions is underscored by the fact that the majority of PTEN missense mutations detected in tumor specimens target the phosphatase domain and cause a loss in PTEN phosphatase activity (4).
Maehama, T. and J. Dixon (1998) J. Biol. Chem. 273:13375.
Das, S. et al. (2003) Proc. Natl. Acad. Sci. USA 100:7491.
Myers, M. et al. (1998) Proc. Natl. Acad. Sci. USA 95:13513.
Waite, K. and C. Eng (2002) Am. J. Hum. Genet. 70:829.
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.
Getting SHIP-shape Over Tumour Suppression PTEN antibodies have shown PTEN to be an important tumor suppressor and, in mutated form, a factor in cancer development. However, a recent study, led by Robert Rickert, shows that the SHIP gene may also be an important tumor suppressor in B-cell lymp... Read full blog post.
PTEN Antibodies and Cancer Research Phosphatase and tensin homologue (PTEN) antibodies are important tools for cancer research. PTEN is an important tumor suppressor but, in mutated form, is also expressed in a high number of cancers. We at Novus Biologicals have a wide PTEN antibody da... Read full blog post.
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