ArtNr |
229-20189 |
Hersteller |
Raybiotech
|
Menge |
1 mg |
Kategorie |
|
Typ |
Proteins |
Format |
Lyophilized |
Applikationen |
WB, ELISA, FA |
Specific against |
Human (Homo sapiens) |
Host |
Hamster - Armenian |
Purity |
>98% by SDS PAGE and HPLC analysis. |
ECLASS 10.1 |
32160409 |
ECLASS 11.0 |
32160409 |
UNSPSC |
12352202 |
Versandbedingung |
Raumtemperatur |
Lieferbar |
|
Manufacturer - Category |
Proteins and Peptides|Recombinant Proteins |
Shipping Temperature |
Ambient temperature |
Storage Conditions |
-20°C |
Molecular Weight |
16.0kD (147 amino acid residues). |
Description |
Purified recombinant leptin expressed in E.coli. Sterile filtered through a 0.2 micron filter. |
Format |
Purified recombinant protein - lyophilized |
Formulation |
Lyophilized with 0.1% TFA |
Protein Name & Synonyms |
LEPTIN |
UNSPSC Code |
12352202 |
Concentration |
ca.1.0 mg/ml after reconstitution |
Reconstitution |
Reconstitute with 1.0 ml distilled water. Care should be taken during reconstitution as the protein may appear as a film at the bottom of the vial. RayBiotech recommends that the vial is gently mixed after reconstitution. For extended storage, the addition of 0.1% bovine serum abumin (BSA) is recommended. |
Endotoxin Level |
<1EU/ug |
Preservative |
None present |
Introduction |
Leptin is a major adipose-derived hormone and member of the leptin family, which plays a key role in appetite control and the regulation of energy expenditure.
Secreted leptin associates with proteins within the bloodstream and is transported to the brain, where it inhibits or up-regulates the activity of neuropeptides such as neuropeptide Y (NPY) and alpha-melanocyte-stimulating hormone respectively. Leptin is a recognised marker of obesity, with a correlation between circulating levels of leptin and body fat mass, and defects in leptin production result in severe obesity. Regulators of leptin expression include insulin, cortisol, cAMP and thiazolidinediones. |
Biological activity |
129-20189 is biologically active in the ob/ob mouse obesity model. The ob/ob mice were treated via intraperitoneal injection once daily at a dose of 5 µ g 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. |
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