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Ghrelin, Total

Analyte: Ghrelin, Total
Specimen Type: EDTA Plasma with stabilizer; please contact nexelis for collection instructions
Optimum Volume: 0.5 mL
2-8°C -20°C -70°C
3 days 3 months 3 years
Reporting units: pg/mL
Method: ELISA
Biological or Clinical Significance:

Ghrelin is an acylated peptide with growth-hormone-releasing function. It consists of 28 amino acids and the n-octanolylation of serine-3 position in the molecule is necessary for its bioactivity. Originally found as an endogenous ligand for the growth hormone secretagogue receptor in the pituitary gland, it distinguishes itself from the hypothalamic growth hormone-releasing hormone as another potent stimulator for growth hormone secretion. In addition to its growth hormone secretagogue activity, ghrelin also increases appetite and food intake, expands body fat mass, and directs fuel selection for oxidation toward carbohydrates. It is also an important orexigenic hormone in the regulation of energy homeostasis. Ghrelin secretion increased in the fasted state and decreased in the fed state.

Principle of Test Method:

The Ghrelin Total assay is a solid-phase ELISA designed to measure human Ghrelin Total in serum and plasma. It employs the quantitative sandwich enzyme immunoassay principle.

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Ghrelin, Total
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