Ovine Leptin Recombinant Protein (RPPB0711)
- SKU:
- RPPB0711
- Product Type:
- Recombinant Protein
- Species:
- Sheep
- Uniprot:
- Q28603
Description
| Product Name: | Ovine Leptin Recombinant Protein |
| Product Code: | RPPB0711 |
| Size: | 100µg |
| Species: | Ovine |
| Target: | Leptin |
| Synonyms: | OB Protein, Obesity Protein, OBS, Obesity factor. |
| Source: | Escherichia Coli |
| Physical Appearance: | Sterile Filtered White lyophilized (freeze-dried) powder. |
| Formulation: | The protein was lyophilized from a concentrated (1mg/ml) solution with 0.02% NaHCO3. |
| Solubility: | It is recommended to reconstitute the lyophilized Leptin in sterile 0.02% NaHCO3 not less than 100�g/ml, which can then be further diluted to other aqueous solutions. |
| Stability: | Lyophilized Leptin Ovine MTS tagged although 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. |
| Purity: | Greater than 98.0% as determined by:(a) Analysis by SEC-HPLC.(b) Analysis by SDS-PAGE. |
| Amino Acid Sequence: | The sequence of the first five N-terminal amino acids was determined and was found to be Ala-Val-Pro-Ile-Arg |
| Biological Activity: | Biological active as evidenced by inducing proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor. |
A 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.
Leptin Ovine MTS tagged Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 157 amino acids and having a molecular mass of 17.5 kDa.The Leptin is purified by proprietary chromatographic techniques. The membrane translocating sequence Tag is composed of 10 amino acids Val-Leu-Leu-Pro-Val-Leu-Leu-Ala-Ala-Pro located at the N-terminus.
| UniProt Protein Function: | Key player in the regulation of energy balance and body weight control. Once released into the circulation, has central and peripheral effects by binding LEPR, found in many tissues, which results in the activation of several major signaling pathways. In the hypothalamus, acts as an appetite-regulating factor that induces a decrease in food intake and an increase in energy consumption by inducing anorexinogenic factors and suppressing orexigenic neuropeptides, also regulates bone mass and secretion of hypothalamo-pituitary-adrenal hormones. In the periphery, increases basal metabolism, influences reproductive function, regulates pancreatic beta-cell function and insulin secretion, is pro-angiogenic for endothelial cell and affects innate and adaptive immunity. In the arcuate nucleus of the hypothalamus, activates by depolarization POMC neurons inducing FOS and SOCS3 expression to release anorexigenic peptides and inhibits by hyperpolarization NPY neurons inducing SOCS3 with a consequent reduction on release of orexigenic peptides. In addition to its known satiety inducing effect, has a modulatory role in nutrient absorption. In the intestine, reduces glucose absorption by enterocytes by activating PKC and leading to a sequential activation of p38, PI3K and ERK signaling pathways which exerts an inhibitory effect on glucose absorption. Acts as a growth factor on certain tissues, through the activation of different signaling pathways increases expression of genes involved in cell cycle regulation such as CCND1, via JAK2-STAT3 pathway, or VEGFA, via MAPK1/3 and PI3K-AKT1 pathways. May also play an apoptotic role via JAK2-STAT3 pathway and up-regulation of BIRC5 expression. Pro-angiogenic, has mitogenic activity on vascular endothelial cells and plays a role in matrix remodeling by regulating the expression of matrix metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPs). In innate immunity, modulates the activity and function of neutrophils by increasing chemotaxis and the secretion of oxygen radicals. Increases phagocytosis by macrophages and enhances secretion of pro-inflammatory mediators. Increases cytotoxic ability of NK cells. Plays a pro-inflammatory role, in synergy with IL1B, by inducing NOS2 wich promotes the production of IL6, IL8 and Prostaglandin E2, through a signaling pathway that involves JAK2, PI3K, MAP2K1/MEK1 and MAPK14/p38. In adaptive immunity, promotes the switch of memory T-cells towards T helper-1 cell immune responses. Increases CD4+CD25- T-cell proliferation and reduces autophagy during TCR (T-cell receptor) stimulation, through MTOR signaling pathway activation and BCL2 up-regulation. |
| UniProt Code: | Q28603 |
| NCBI GenInfo Identifier: | 3041703 |
| NCBI Gene ID: | 443534 |
| NCBI Accession: | Q28603.2 |
| UniProt Secondary Accession: | Q28603,P79212, |
| UniProt Related Accession: | Q28603 |
| Molecular Weight: | 16,054 Da |
| NCBI Full Name: | Leptin |
| NCBI Official Symbol: | LEP�� |
| NCBI Official Synonym Symbols: | ob�� |
| NCBI Protein Information: | leptin; leptin (obesity homolog, mouse) |
| UniProt Protein Name: | Leptin |
| UniProt Synonym Protein Names: | Obesity factor |
| Protein Family: | Leptin |
| UniProt Gene Name: | LEP�� |
| UniProt Entry Name: | LEP_SHEEP |
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