Leptin Rat-Leptin

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Leptin Rat

Qty


Total
$65
Catalog #
CYPS-234
Size
Description
Leptin Rat Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 147 amino acids and having a molecular mass of 16 kDa.The Leptin is purified by proprietary chromatographic techniques.
Additional Information
IntroductionA 16-kDa peptide hormone secreted from white adipocytes and implicated in the regulation of food intake and energy balance. Leptin provides the key afferent signal from fat cells in the feedback system that controls body fat stores.
SynonymsOB Protein, Obesity Protein, OBS, Obesity factor.
SourceEscherichia Coli.
Physical AppearanceSterile Filtered White lyophilized (freeze-dried) powder.
FormulationThe protein was lyophilized from a concentrated (1mg/ml) solution with 0.0045mM NaHCO3.
SolubilityIt is recommended to reconstitute the lyophilized Leptin in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
StabilityLyophilized Leptin althoµgh stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Leptin should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
Amino Acid SequenceThe
sequence
of
the
first
five
N-terminal
amino
acids
was
determined
and
was
found
to
be
Ala-Val-Pro-Ile-His.
PurityGreater than 95.0% as determined by:(a) Analysis by SEC-HPLC.(b) Analysis by SDS-PAGE.
Biological ActivityBiological activity of Leptin Rat is evidenced by inducing proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor.
UsageNeoScientific's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drµgs, agricultural or pesticidal products, food additives or household chemicals.
References1.Title:Expression of Hypothalamic KiSS-1 System and Rescue of Defective Gonadotropic Responses by Kisspeptin in Streptozotocin-Induced Diabetic Male Rats.Publication: doi: 10.2337/db05-1584 Diabetes September 2006 vol. 55 no. 9 2602-2610 Link:http://diabetes.diabetesjournals.org/content/55/9/2602.full?patientinform-links=yes&legid=diabetes;55/9/26022.Title:Desensitization of gonadotropin responses to kisspeptin in the female rat: analyses of LH and FSH secretion at different developmental and metabolic states.Publication:Am J Physiol Endocrinol Metab 294: E1088–E1096, 2008.294: E1088–E1096, 2008. First published April 15, 2008; doi:10.1152/ajpendo.90240.2008.Link:http://ajpendo.physiology.org/content/294/6/E1088.full.pdf3.Title:p38 MAPK and LXR? mediate leptin effect on SREBP-1c expression in hepatic stellate cells (short title: Leptin effect on SREBP-1c expression) .Publication:Link:http://www.molmed.org/content/papers%20in%20press/11_243_Yan.pdf4.Title:Neuroprotection by leptin in a rat model of permanent cerebral ischemia: effects on STAT3 phosphorylation in discrete cells of the brain.Publication:Citation: Cell Death and Disease (2011) 2, e238; doi:10.1038/cddis.2011.125Published online 8 December 2011.Link:http://www.nature.com/cddis/journal/v2/n12/full/cddis2011125a.html
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MSDS
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