Leptin, Recombinant, Mouse (LEP, Ob, Obesity Factor)

Catalog No : USB-L1670-10E
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Product name Leptin, Recombinant, Mouse (LEP, Ob, Obesity Factor)
Catalog No USB-L1670-10E
Supplier’s Catalog No L1670-10E
Supplier US Biologicals
Source antigen Recombinant, E. coli
Reactivity
Cross reactivity
Applications
Molecular weight 16.2
Storage -20°C
Other names
Grade Highly Purified
Purity ~98% (SDS-PAGE and HPLC). Endotoxin: ≤0.1ng/ug.
Form Supplied as a lyophilized powder with no additives. reconstitute with 10mM HCl to a concentration of 1mg/ml.
Reactivity life 6 months
Note For reserch purpose only
Purity ~98% (SDS-PAGE and HPLC). Endotoxin: ≤0.1ng/ug.
Description Leptin (Anti-Obesity Protein) is the protein product of the ob (obese) gene in mice and seems to be involved in appetite control. The ob gene is expressed in adipose tissue and is thought to regulate the body’s fat stores. Mice with the ob/ob genotype also develop a form of diabetes similar to type II (non-insulin dependent) diabetes. Murine Leptin is a 16kD protein containing 147 amino acid residues. Source: Recombinant, mouse Leptin expressed in E. coli. Biological Activity: Determined in an in vivo assay using the ob/ob mouse obesity model and NZO. Both strains of mice were treated via intraperitoneal injection once daily at a dose of 5 mg leptin/gm of body weight for 7 days. Significant effects on body weight, food consumption, and plasma glucose levels were observed to saline-treated controls. Storage and Stability: Lyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile HCl. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer