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The Human IL-5 (Interleukin 5) ELISA quantitates IL-5 in serum and plasma.
原理方法
The Human Interleukin 5 (IL-5) solid-phase sandwich ELISA (enzyme-linked immunosorbent assay) is designed to measure the concentration of Interleukin 5 (IL-5) in biological samples. A target-specific antibody has been pre-coated in the wells of the supplied microplate. Samples, standards, or controls are added into these wells and bind to the immobilized (capture) antibody.
The sandwich complex is formed by the addition of a second (HRP-linked) detection antibody specific to Interleukin 5 (IL-5). Excess reagents are washed from the plate.
A substrate solution is added that reacts with the enzyme-antibody-target complex to produce a measurable signal. The enzyme-substrate reaction is terminated by the addition of stop solution. The intensity of the signal, measured spectrophotometrically at 450 ± 2 nm, is directly proportional to the concentration of Interleukin 5 (IL-5) present in the original specimen.
Rigorous validation:
Each manufactured lot of this ELISA kit is quality tested for criteria such as sensitivity, specificity, precision, and lot-to-lot consistency. See manual for more information on validation.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
IL-5 is a cytokine that acts as a growth and differentiation factor for both B cells and eosinophils. IL-5 cytokine is a main regulator of eosinopoiesis, eosinophil maturation and activation. The elevated production of this cytokine is reported to be related to asthma or hypereosinophilic syndromes. The receptor of IL-5 cytokine is a heterodimer, whose beta subunit is shared with the receptors for interleukine 3 (IL3) and colony stimulating factor 2 (CSF2/GM-CSF). IL-5, together with those for interleukin 4 (IL4), interleukin 13 (IL13), and CSF2, form a cytokine gene cluster on chromosome 5. IL-5, IL4, and IL13 are found to be regulated coordinately by long-range regulatory elements spread over 120 kilobases on chromosome 5q31.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
基因别名 : EDF, IL-5, IL5, TRF
基因ID : (Human) 3567
基因符号 : IL5
蛋白别名 : B-cell differentiation factor I, colony-stimulating factor, eosinophil, Eosinophil differentiation factor, IL-5, ILN, Interleukin, Interleukin5, Interleukin-5, T-cell replacing factor, TRF, unnamed protein product
UniProt ID (Human) P05113