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.
Buffer
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.
Preservative
No Preservative
Concentration
LYOPH
Reconstitution Instructions
Reconstitute at 0.2 mg/mL in sterile PBS.
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for Insulysin/IDE Antibody
Abeta-degrading protease
EC 3.4.24
EC 3.4.24.56
FLJ35968
IDE
INSDEGM
Insulin protease
Insulinase
insulin-degrading enzyme
Insulysin
Background
Insulysin, or insulin-degrading enzyme (IDE), is a zinc metallopeptidase of the inverzincin family. IDE is primarily located in the cytosol, but has been detected as a secreted enzyme and associated with the plasma membrane as well (1). The enzyme is expressed in many tissues, with the highest levels in liver, kidney, brain, and testis (2). IDE hydrolyzes a variety of regulatory peptides, including insulin, glucagon, atrial natriuretic factor, and transforming growth factor-alpha in vitro (1). In addition, IDE has been shown to degrade the amyloid beta (A beta ) peptide, which polymerizes into the plaques associated with Alzheimer's disease (3). Deficiencies in IDE activity may contribute to the pathogenesis of type 2 diabetes mellitus (DM2) and Alzheimer's disease. The IDE region of human chromosome 10q has been genetically linked to DM2 (4). When the IDE gene was specifically disrupted in mice, IDE -/- animals developed hyperinsulinemia and glucose intolerance, characteristics of DM2 (5). The IDE -/- mice were also shown to have a significant decrease in A beta degradation in the brain, resulting in increased cerebral accumulation of A beta peptide. This in vivo evidence is consistent with the hypotheses that IDE is important for the degradation of insulin in cells and for the clearance of A beta peptide in the brain.
Affholter, J. A. et al. (1988) Science 242:1415.
Duckworth, W.C. et al. (1998) Endocr. Rev. 19:608.
Akiyama, H. et al. (1990) Biochem. Biophys. Res. Commun. 170:1325.
Selkoe, D.J. (2001) Neuron 32:177.
Ghosh, S. et al. (2000) Am. J. Hum. Genet. 67:1174.
Farris, W. et al. (2003) Proc. Natl. Acad. Sci. USA 100:4162.
Limitations
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.
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