Abcam, ab281816, Recombinant Human Leptin protein

Size: 10µg / 50µg / 100µg
Recombinant Human Leptin protein is a Human Full Length protein, in the 22 to 167 aa range, expressed in HEK 293 cells, with >95%, < 0.005 EU/µg endotoxin level, suitable for SDS-PAGE, Mass Spec, HPLC.
Key facts
Purity:>95% SDS-PAGE,
Endotoxin level:< 0.005 EU/µg,
Expression system:HEK 293 cells,
Tags:Tag free,
Applications:SDS-PAGE, Mass Spec, HPLCSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Biologically active:No,
Accession:P41159,
Animal free:Yes,
Carrier free:Yes,
Species:Human,
Reconstitution:Reconstitute in PBS,
Storage buffer:pH: 7.4Constituents: 10.26% Trehalose, 0.727% Dibasic monohydrogen potassium phosphate, 0.248% Potassium phosphate monobasic

Properties and Storage Information:
Shipped at conditions-Ambient - Can Ship with Ice, Appropriate short-term storage conditions-Ambient, Appropriate long-term storage conditions-Ambient

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
Leptin also known as the OB protein is a hormone with a molecular weight of approximately 16 kDa. Primarily it is produced by adipocytes in white adipose tissue and to a lesser extent in the placenta stomach and other tissues. This protein plays a significant role in energy homeostasis by conveying information to the central nervous system regarding fat storage. In scientific studies leptin is often measured using methods like the leptin ELISA kit or mouse leptin assay to monitor its levels and function.
Biological function summary
Leptin regulates food intake and energy expenditure by binding to its receptors in the hypothalamus. It is an important part of the feedback loop to manage body weight and appetite. Leptin is not part of a larger protein complex and acts directly on its target tissues. By signal transduction pathways it influences cellular processes such as metabolism and even impacts fertility and immune responses.
Pathways
Leptin is involved in the neuroendocrine signaling pathway and the MAPK/ERK pathway. In the neuroendocrine system leptin interacts with proteins like proopiomelanocortin (POMC) and neuropeptide Y (NPY) to manage appetite and energy use. Additionally it activates the JAK/STAT pathway when binding to its receptor which influences gene expression involved in metabolism and inflammation.
Leptin is linked to obesity and type 2 diabetes. Leptin deficiencies or resistance can lead to metabolic disorders as the hormone's signaling is disrupted affecting energy balance and storage. Its connection to adiponectin another hormone derived from fat tissue is critical in understanding these conditions; while leptin promotes inflammation adiponectin has anti-inflammatory effects. Exploring these proteins' roles and their balance offers insights into treatments for obesity-related disorders.