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Ghrelin is a 28 residue pepetide expressed by stomach cells that is responsible for the hunger sensation. Expression is increased during times of fasting, and decreased after food consumption. Ghrelin is initially derived from a preprohormone called preproghrelin, which also generates a second peptide called obestatin. Obestatin is an endogenous ligand for the orphan G protein-coupled receptor GPR39 and is involved in satiety and decreased food intake. Ghrelin antibodies are useful tools for lipid and metabolism research as well as neuroscience studies.
![Western Blot Ghrelin/Obestatin Antibody [Unconjugated]](http://images.novusbio.com/fullsize2/Ghrelin_Obestatin_AF8149_Western_Blot_14669.jpg)
![Immunohistochemistry Ghrelin/Obestatin Antibody [Unconjugated]](http://images.novusbio.com/fullsize2/Ghrelin_Obestatin_AF8149_Immunohistochemistry_14353.jpg)
![Immunohistochemistry Ghrelin/Obestatin Antibody [Unconjugated]](http://images.novusbio.com/fullsize2/Ghrelin_Obestatin_AF8149_Immunohistochemistry_14424.jpg)
