Detection of Human/Mouse PON1 by Western Blot. Western blot shows lysates of mouse liver tissue, human liver tissue and an enriched HDL/LDL fraction of human plasma obtained from ultracentrifugation. PVDF membrane was probed with 0.5 µg/mL of Human/Mouse PON1 Monoclonal Antibody (Catalog # MAB4926) followed by HRP-conjugated Anti-Rat IgG Secondary Antibody (Catalog # HAF005). A specific band was detected for PON1 at approximately 43 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 2.
Preparation and Storage
Reconstitute at 0.5 mg/mL in sterile PBS.
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.
The paraoxonase (PON) gene family of antioxidant enzymes includes three known members located adjacent to each other on chromosome 7. Paraoxonase/arylesterase 1 (PON1, also known as serum paraoxonase) is a 355 amino acid, 43 kDa glycoprotein that is expressed in liver and is secreted into the bloodstream where it associates with high-density lipoproteins (HDL). Serum PON1 concentrations vary widely among normal individuals, in part due to differential expression of some polymorphisms. Sequence polymorphisms in this gene may be associated with coronary heart disease and a number of phenotypes related to diabetes. PON1 is primarily a lactonase (EC 126.96.36.199) that is thought to attenuate the oxidation of low-density lipoproteins (LDL). This may slow the initiation and progression of atherosclerosis. Human PON1 shares 83% and 81% aa identity with mouse and rat PON1, respectively.
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