Estrone-3-Sulfate, Equine, ELISA
| Product Name | Estrone-3-Sulfate, Equine, ELISA |
|---|---|
| Description | Estrone-3-Sulfate (E3S) is the predominant conjugated estrogen during pregnancy. It is produced by the fetus, possibly in association with the endometrium in the pregnant mare. Different hormones are important for the complex events that occur during pregnancy in all mammals. In the mare these events include the maintenance of the corpus luteum function, formation of endo- metrial cups and development of secundary corpora lutea. Progesterone and PMSG (Pregnant Mare Serum Gonadotropine, eCG) and also free Estrogens, e.g. Estrone, are associated with these processes. It has been shown, that Estrone is rapidly conjugated after secretion and the ratio between conjugated and unconjugated estrogens is 100:1 in mare serum. The conjugated estrogenes, especially Estrone-3-sulfate, provide the opportunity to improve the accu- racy of pregnancy diagnosis, to monitor the pregnancy and to distinguish whether the fetal develop- ment is normal or impaired. The diagnosis of embryonic death is usually made by using techniques of palpation of the uterus per rectum or ultrasound echography. The determination of Estrone-3-sulfate is an aid in the non-invasive diagnosis which allows a monitoring of the feto-placental unit during preg- nancy. Only in mares with normal fetal development the values of Estrone-3-sulfate show a tremen- dous increase between day 75 and 100 of gestation. The ARP Estrone-3-Sulfate equine is a competitive enzyme immunoassay for the measurementof estrone-3-sulfate in mare serum. For Research Use Only, Not for Use in DiagnosticProcedures. |
| Sensitivity | 0.14 ng/mL |
| Reactivity | Equine |
| Sample Types | Mare serum |
| Storage | 2-8C |
| Background |
Estrone-3-Sulfate (E3S) is the predominant conjugated estrogen during pregnancy. It is produced by the fetus, possibly in association with the endometrium in the pregnant mare. Different hormones are important for the complex events that occur during pregnancy in all mammals. In the mare these events include the maintenance of the corpus luteum function, formation of endo- metrial cups and development of secundary corpora lutea. Progesterone and PMSG (Pregnant Mare Serum Gonadotropine, eCG) and also free Estrogens, e.g. Estrone, are associated with these processes. It has been shown, that Estrone is rapidly conjugated after secretion and the ratio between conjugated and unconjugated estrogens is 100:1 in mare serum. The conjugated estrogenes, especially Estrone-3-sulfate, provide the opportunity to improve the accu- racy of pregnancy diagnosis, to monitor the pregnancy and to distinguish whether the fetal develop- ment is normal or impaired. The diagnosis of embryonic death is usually made by using techniques of palpation of the uterus per rectum or ultrasound echography. The determination of Estrone-3-sulfate is an aid in the non-invasive diagnosis which allows a monitoring of the feto-placental unit during preg- nancy. Only in mares with normal fetal development the values of Estrone-3-sulfate show a tremen- dous increase between day 75 and 100 of gestation. |
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