LH-Urine ELISA
High Quality Assays with Reproducible and Reliable Results
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An enzyme immunoassay for the quantitative measurement of luteinizing hormone (LH) in urine. Luteinizing hormone (LH) is produced in both men and women from the anterior pituitary gland in response to luteinizing hormone-releasing hormone (LH-RH or Gn-RH), which is released by the hypothalamus. LH, also called interstitial cell-stimulating hormone (ICSH) in men, is a glycoprotein with a molecular weight of approximately 30.000 daltons. It is composed of two non covalently associated dissimilar amino acid chains, alpha and beta. The alpha chain is similar to that found in human thyroid-stimulating hormone (TSH), follicle stimulating hormone (FSH), and human chorionic gonadotropin (hCG). The difference between these hormones lie in the amino acid composition of their beta subunits, which account for their immunological differentiation.The DRG LH-Urine ELISA Kit is a solid phase enzyme-linked immunosorbent assay (ELISA) based on the sandwich principle. The microtiter wells are coated with a monoclonal antibody directed towards a unique antigenic site of the Beta-LH molecule. An aliquot of sample containing endogenous LH is incubated in the coated well with enzyme conjugate, which is an anti- LH antibody conjugated with horseradish peroxidase. After incubation the unbound conjugate is washed off. The amount of bound peroxidase is proportional to the concentration of LH in the sample. Having added the substrate solution, the intensity of color developed is proportional to the concentration of LH in the sample.
