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Anti-Ghrelin Antibody
Catalog #: RB-08-0010
Rabbit Anti-Human Ghrelin Antibody
Product Description
Specifications
| Size | 20 µg, 100 µg, 200 µg, 500 µg |
| Estimated Lead Time | 1-2 business days |
| Species | Human |
| Specificity | The rabbit anti-human Ghrelin antibody detects specifically target derived from related-cell lysates protein at various concentrations. Cross reactivity with mouse and rat are expected from sequence similarity. |
| Accession Number | NM_016362 |
| Clonality | Polyclonal |
| Immunogen | Immunogen was synthetic peptide derived from Human Ghrelin. This antibody was produced from a rabbit immunized with the immunogen. The IgG fraction was purified from rabbit serum by ammonium sulphate precipitation followed by Protein A/G affinity chromatography. |
| Immunogen Sequence | CKESKKPPAKLQPR |
| Recommended Applications | ELISA (recommended work dilution= 1:10e6(at least detecting 2-5ng/ml)), Western Blotting (recommended work dilution= 1:1000-5000(at least)), Enzyme Immunoassay (EIA) (recommended work dilution= Kit available) |
| Reconstitution | Supplied as 50 µg of purified and lyophilized antibody. The antibody is stable for at least one year from the data of receipt when stored at -20°C to -70°C. Reconstituted antibody (recommended with H20 1 mg/ml) can also be aliquoted and stored frozen at -20°C to -70°C in a manual defrost freezer for months without detectable loss activity. Upon reconstitution, the antibody can be stored at 4°C for 1 month. If 1 ml of H20 is used, the antibody concentration will be 50 ?g/ml. Please avoid freeze-thaw cycles. |
| Shipping Type | Ambient temperature |
| Storage | -20°C |
Description
Description
Ghrelin is synthesized as a preprohormone, and then proteolytically processed to yield a 28-amino acid peptide. Synthesis of ghrelin occurs predominantly in epithelial cells lining the fundus of the stomach, with smaller amounts produced in the placenta, kidney, pituitary and hypothalamus.
Ghrelin has emerged as the first circulating hunger hormone. Ghrelin increases food intake and thus fat massby an action exerted at the level of the hypothalamus. They activate cells in the arcuate nucleus that include the orexigenic neuropeptide Y (NPY) neurons. Ghrelin-responsiveness of these neurons is both leptin and insulin sensitive. Ghrelin also activates the mesolimbic cholinergic-dopaminergic reward link, a circuit that communicates the hedonic and reinforcing aspects of natural rewards, such as food.
Ghrelin levels in the plasma of obese individuals are lower than those in leaner individuals except in the case of Prader-Willi syndrome-induced obesity. Those suffering from the eating disorder anorexia nervosa have high plasma levels of ghrelin compared to both the constitutionally thin and normal-weight controls. These findings suggest that ghrelin plays a role in both anorexia and obesity. Ghrelin levels are also high in patients who have cancer-induced cachexia.
Ghrelin has emerged as the first circulating hunger hormone. Ghrelin increases food intake and thus fat massby an action exerted at the level of the hypothalamus. They activate cells in the arcuate nucleus that include the orexigenic neuropeptide Y (NPY) neurons. Ghrelin-responsiveness of these neurons is both leptin and insulin sensitive. Ghrelin also activates the mesolimbic cholinergic-dopaminergic reward link, a circuit that communicates the hedonic and reinforcing aspects of natural rewards, such as food.
Ghrelin levels in the plasma of obese individuals are lower than those in leaner individuals except in the case of Prader-Willi syndrome-induced obesity. Those suffering from the eating disorder anorexia nervosa have high plasma levels of ghrelin compared to both the constitutionally thin and normal-weight controls. These findings suggest that ghrelin plays a role in both anorexia and obesity. Ghrelin levels are also high in patients who have cancer-induced cachexia.
Typical Data
Storage/Stability
Store at -20°C, if not intended for use within a month, Keep it at 4°C and minimize freezing and thawing when use.
Expiration
12 months from the date of shipment when stored properly.
References
- Zhang J, Ren P, Avsian-Kretchmer O, Luo C, Rauch R, Klein C, Hsueh A (2005). "Obestatin, a peptide encoded by the ghrelin gene, opposes ghrelin's effects on food intake". Science 310 (5750): 9969.
- Garcia J,; Garcia-Touza M, Hijazi R, Taffet G, Epner D, Mann D, Smith R, Cunningham G, Marcelli M (2005). "Active ghrelin levels and active to total ghrelin ratio in cancer-induced cachexia". J Clin Endocrinol Metab 90 (5): 29206.