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SKU: PKSH031688_1mg-ES
Recombinant Human LEPR/CD295 Protein (His Tag), 1 mg
Leptin Receptor or CD295 belongs to the gp130 family of cytokine receptors that are known to stimulate gene transcription via activation of cytosolic STAT proteins. This protein is a receptor for leptin (an adipocyte-specific hormone that regulates body weight), and is involved in the regulation of fat metabolism, as well as in a novel hematopoietic pathway that is required for normal lymphopoiesis. Leptin Receptor/CD295 is a transmembrane catalytic receptors found on NPY/AgRP and alpha-MSH/CART neurons in hypothalamic nuclei. Leptin receptors (Ob-Rs) are coded for by one human gene that produces six different isoforms; Ob-Ra - Ob-Rf. Ob-Rs exist as constitutive dimers at physiological expression levels. Only the Ob-Rb isoform can transduce intracellular signals and does so through activation of the JAK2/STAT3, PI 3-K and MAPK signaling cascades. Activation of Ob-Rs mediates transcriptional regulation of the hypothalamic melanocortin pathway and downregulates endocannabinoid expression. Leptin acts via leptin receptors. Leptin resistance has been proposed as a pathophysiological mechanism of obesity. In obese individuals, Ob-Ra (which is involved in active transport of leptin across the blood-brain barrier) expression is downregulated and the individual may be unresponsive to leptin signals. Ob-R antagonists are of great interest in the development of pharmacological treatments for obesity. Mutations in Leptin Receptor/CD295 have been associated with obesity and pituitary dysfunction.
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Product Specification
Basic Information
Brands:Elabscience
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Place of Origin:China
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Reconstitution:Please refer to the printed manual for detailed information.
Shipping:This product is provided as lyophilized powder which is shipped with ice packs.
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Calculated Molecular Weight:95.0 kDa
Observed Molecular Weight:130-140 kDa
Purity: > 95 % as determined by reducing SDS-PAGE.
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Storage:Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months.
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Calculated Molecular Weight:95.0 kDa
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Endotoxin: < 1.0 EU per μg of the protein as determined by the LAL method.
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Application:ELISA
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Research Areas:Signal Transduction;Cardiovascular;Cancer;metabolism;
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Bio-activity:Immobilized human Leptin at 5 μg/ml (100 μl/well) can bind human Leptin receptor with a linear range of 0.032-4.0 μg/ml.
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Formulation:Lyophilized from sterile PBS, pH 7.4
Normally 5% - 8% trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization.
Please refer to the specific buffer information in the printed manual.
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