Development of radioimmunoassay and enzyme immunoassays for luteinizing hormone in dromedaries (Camelus dromedarius)
in ReproductionSummary. Polyclonal antibodies against luteinizing hormone in dromedary (camLH) were raised in a rabbit and enabled the development of homologous immunoassays (radioimmunoassay, competitive enzymeimmunoassay (EIA) and sandwich EIA) for the measurement of circulating camLH in plasma. These assays were highly specific for camLH since neither dromedary follicle-stimulating hormone, growth hormone nor prolactin cross-reacted significantly. The lowest detection limit (0·08 ng/ml) was obtained with the sandwich EIA. In addition to its high specificity and sensitivity, this method does not require radiolabelled molecules or expensive laboratory facilities. It can be performed in the field using a portable, battery-powered plate reader.
Keywords: radioimmunoassay; enzymeimmunoassay; luteinizing hormone; dromedary
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