Human Secretagogin (SCGN) ELISA Kit

SCGN contains 6 tandem repeats of the EF-hand Ca (2+) -binding domain, with a loop at all 6 putative Ca (2+) -binding sites, and shares significant similarity with calbindin and calretinin. Much lower expression of only the smaller transcript was detected in adrenal medulla, stomach, thyroid, colon, and small intestine. Immunohistochemical analysis showed SCGN expression restricted to the islet of Langerhans in pancreas, in C cells near thyroid follicles, and at sites typically occupied by neuroendocrine cells in all other tissues examined. Cell fractionation and confocal imaging of transfected rat insulinoma cells detected Scgn predominantly in the cytosolic fraction, with much less Scgn in nuclei. SCGN was expressed in a reticular pattern in transfected COS cells.

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Human Secretagogin (SCGN) ELISA Kit has high sensitivity and excellent specificity for detection of Human SCGN. No significant cross-reactivity or interference between Human SCGN and analogues was observed.

This Human Secretagogin (SCGN) ELISA Kit employs a two-site sandwich ELISA to quantitate SCGN in samples. An antibody specific for SCGN has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and anySCGN present is bound by the immobilized antibody. After removing any unbound substances, a biotin-conjugated antibody specific for SCGN is added to the wells. After washing, Streptavidin conjugated Horseradish Peroxidase (HRP) is added to the wells. Following a wash to remove any unbound avidin-enzyme reagent, a substrate solution is added to the wells and color develops in proportion to the amount of SCGN bound in the initial step. The color development is stopped and the intensity of the color is measured.

• Do not mix components from different kit lots or use reagents beyond the kit expiration date.• Allow all reagents to warm to room temperature for at least 30 minutes before opening.• Pre-rinse the pipet tip with reagent, use fresh pipet tips for each sample, standard and reagent to avoid contamination.• Unused wells must be kept desiccated at 4 °C in the sealed bag provided.• Mix Thoroughly is very important for the result. It is recommended using low frequency oscillator or slight hand shaking every 10 minutes.• It is recommended that all samples and standards be assayed in duplicate or triplicate.