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50 results about "Dehydroepiandrosterone sulfate" patented technology
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Dehydroepiandrosterone sulfate, abbreviated as DHEA sulfate or DHEA-S, also known as androstenolone sulfate, is an endogenous androstane steroid that is produced by the adrenal cortex. It is the 3β-sulfate ester and a metabolite of dehydroepiandrosterone (DHEA) that circulates in far greater relative concentrations. The steroid is hormonally inert and is instead an important neurosteroid and neurotrophin.
The invention relates to a novel use of serum sample micromolecule metabolites such as oleic acid, stearic acid, eicosatrienoic acid, dehydroepiandrosteronesulfate, glycosylated phenylalanine and uridine as combined markers in preparation of a kit for diagnosis of polycystic ovarian syndrome of subjects. The invention also relates to a kit of diagnosis of polycystic ovarian syndrome of subjects. The kit is used for detecting respective concentrations of the combined markers in a serum sample of a female subject, calculating combined marker variable based on a binary logistic regression equation, and determining if the subject suffers from polycystic ovarian syndrome based on the determined intercept point value. The kit can realizes high sensitivity and high efficiency detection of the micromolecular metabolites and has the characteristics of low detection cost and good repeatability. Through combined use of the micromolecular metabolites, the kit can be used in auxiliary diagnosis of different symptoms of polycystic ovarian syndrome.
The invention provides a method and a kit for simultaneously detecting five steroid hormones and application of the method and the kit, and belongs to the technical field of steroidhormone detection. The method comprises the step of detecting a pretreated sample to be detected on the basis of LC-MS / MS (Liquid Chromatography-Mass Spectrometry / Mass Spectrometry). The pretreatment method is optimized, so that accurate detection of five steroid hormones including testosterone, androstenedione, 17alpha-hydroxyprogesterone, dihydrotestosterone and dehydroepiandrosteronesulfate is realized, and the method can be applied to detection items of important steroid hormones in clinical androstenemia. The real level of the real concentration of the five steroid hormones in the body of a subject can be given easily, clinical use or laboratory use is facilitated, and the method has important guiding significance on auxiliary diagnosis of hyperandrogenemia and polycystic ovarian syndrome and has high practical application value.