Progesterone RIA

产品名称：Progesterone RIA
产    地：Demeditec
产品货号：DE4494
产品规格：96 Tests
产品说明：
Special remarks:
Biological Activity
Progesterone is a C?21 steroid hormone (molecular weight: 314.5) which is synthesized from cholesterol via pregnenolone in the granulosa and theca cells of the corpus luteum under the influence of LH. The major production sites are ovary and placenta and somewhat the adrenal cortex in both men and women. Progesterone is rapidly metabolized in the liver. Blood levels are very low during the follicular phase whereas one does observe a sharply increase during the luteal phase of menstrual cycles reaching a maximum some 5 to 10 days after the midcycle LH peak.
Clinical applications
Serum progesterone levels, which are low during the follicular phase, increase during the luteal phase of menstrual cycle. Unless pregnancy occurs, the progesterone level declines 4 days before the next menstrual period. Thus, the measurement of progesterone levels constitutes a well?established method for detection of ovulation. But there are many cases where the progesterone measurements are also of interest:
- To check the effectiveness of ovulation induction;
- To monitor the embryo transfer and progesterone replacement therapy;
- To detect the patients at risk for abortion during the beginning of pregnancy;
- To aid in the diagnostic of ectopic pregnancy;
- To detect all ovarian tumor (benign and malign) in postmenopausal women;
-  To diagnose luteinized unruptured follicle by the dosage of 17 beta?estradiol   and progesterone levels in peritoneal fluid;
- The steroid profiles of follicular fluids and the ratio of E2/PROG allow detecting a normal or a dysfunctional ovulation induction. (The empty follicular syndrome may reflect a dysfunctional ovulation induction).
The above test kits measures the total (unconjugated) Progesterone in serum. There is also a method available for the measurement of free Progesterone in saliva. The metabolic activity of any steroid is just represented by the free hormone fraction which represents less than 5% of the total. The non-invasive sampling of saliva samples offers another advantage of salivary testing. Demeditec is offering such a testkit in ELISA format with the catalogue number DES6633.
上海玉博生物技术有限公司在为生命科学领域提供丰富的产品与信息资源方面处于国内**地位，公司提供的产品涵盖了二十多个国家近五十万种产品，而且产品的数量与信息在不断的增长和更新，公司提供的产品能够使生命科学工作者加快对生物化学，分子生物学，细胞生物学以及蛋白质组学研究的认知，以及分子诊断和临床医学领域的应用。

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