IL-5 Kit ELISA

N° du produit ABIN577097

Ce kit ELISA Colorimetric est destiné à la mesure quantitative de Humain IL-5.

Aperçu rapide pour IL-5 Kit ELISA (ABIN577097)

Antigène: IL-5 (IL5) (Interleukin 5 (IL5))

Reactivité: Humain

Méthode de détection: Colorimetric

Type de méthode: Sandwich ELISA

Application: ELISA

Détail du produit IL-5 Kit ELISA

Fonction: This IL-5 enzyme linked immunosorbent assay (ELISA) applies a technique called a quantitative sandwich immunoassay. The microtiter plate provided in this kit has been pre-coated with a monoclonal antibody specific to IL-5. Standards or samples are then added to the appropriate microtiter plate wells with a biotin-conjugated monoclonal antibody preparation specific for IL-5 and incubated. IL-5 if present, will bind and become immobilized by the antibody pre-coated on the wells and then become

Analytical Method: Quantitative

Sensibilité: The minimum detectable quantities of human IL-5 as observed by the standard curve generated for both Calibrator Diluent I and Calibrator Diluent II are 7.5 pg/mL and 6.3 pg/mL respectively. The two standard deviations above the mean optical density of the 20 replicates of the zero standard were defined as the minimum detectable quantities.

Ingrédients: Standards: 1 set/2 vials

Information d'application

Volume d'échantillon: 50 μL

Plaque: Pre-coated

Restrictions: For Research Use only

Stockage

Agent conservateur: Without preservative

Détail du antigène

Antigène: IL-5 (IL5) (Interleukin 5 (IL5))

Autre désignation: Interleukin-5 (IL-5)

Sujet: Human growth hormone (GH) is a 22kDa monomeric protein produced and stored in somatotrophs in the anterior pituitary gland. GH is released from the pituitary into the bloodstream in a pulsatile manner under the regulatory control of hypothalamic somatostatin (SS) and GH-releasing factor (GHRF) [1]. The timing and frequency of GH release appears to be regulated by somatostatin, while the amplitude of GH release is determined by GHRF. A minor fraction (~1%) of GH in circulation exists in a smaller 2 kDa form [2]. GH has profound effects on tissue growth and metabolism, which is thought to be mediated through GH-dependent production of IGF-I and IGF-II, and their associated binding proteins. GH apparently stimulates IGF production after binding to specific cell surface receptors in the liver and, possibly, other tissues. Almost 5% of GH in circulation is bound to a high affinity GH binding protein (GHBP), which represents the extracellular domain of the GH receptor. Deficient GH secretion can occur in a number of clinical conditions [3]. However, evaluation of GH deficiency is complicated by the episodic nature of GH secretion and low circulating levels. A variety of physiologic and pharmacologic stimuli have been used to stimulate pituitary GH release during testing and failure to achieve a normal serum GH level in response to at least 2 GH stimulation or provocative tests is considered to be a diagnostic of GH deficiency [4]. The definition of a normal serum GH response is controversial, although published values generally range from 5 to 1 ng/mL. GH excess (or acromegaly) can be caused either by direct GH hypersecretion or GH excess secondary to GHRF hypersecretion. S7.5(3) hGH 2 _x000C_ PRINCIPLES OF THE ASSAY This hGH enzyme linked immunosorbent assay (ELISA) applies a technique called a quantitative sandwich immunoassay. The microtiter plate provided in this kit has been pre- coated with a monoclonal antibody specific to hGH. Standards or samples are then added to the microtiter plate wells and incubated. After wash all wells, hGH if present, will bind to the antibody pre-coated on the wells. In order to quantitatively determine the amount of hGH present in the sample, a standardized preparation of horseradish peroxidase (HRP)-conjugated polyclonal antibody specific to hGH is added to each well to this Human hGH ELISA Kit includes a set of calibration standards (6 standards). The calibration standards are assayed at the same time as the samples and allow the operator to produce a standard curve of Optical Density (O.D.) versus GH concentration (ng/mL). The concentration of hGH in the samples is then determined by comparing the O.D. of the samples to the standard curve. S7.5(3) hGH 3

Pathways: Signalistation JAK/STAT, Positive Regulation of Peptide Hormone Secretion, Production of Molecular Mediator of Immune Response, Feeding Behaviour