Medial Preoptic Microimplants of the Antiestrogen, Keoxifene, Affect Luteinizing Hormone-Releasing Hormone mRNA Levels, Median Eminence Luteinizing Hormone-Releasing Hormone Concentrations and Luteinizing Hormone Release in Ovariectomized, Estrogen-Treated Rats
نویسندگان
چکیده
منابع مشابه
Luteinizing hormone-releasing hormone antagonists.
BACKGROUND Luteinizing hormone-releasing hormone (LH-RH) plays a central role in the vertebrate reproduction by regulating gonadal activity. Based on its binding to pituitary LH-RH receptors, as well as to LH-RH receptors expressed on cancer cells, LH-RH agonists and antagonists have been developed for different therapeutic applications. OBJECTIVE/METHOD Here we give an overview of the most r...
متن کاملChanges in prolactin levels caused by luteinizing hormone releasing hormone.
The acute effects of luteinizing hormone releasing hormone (LHRH) on the release of prolactin (PRL) were investigated in 12 normal cycling women and 42 women with various menstrual disorders. LHRH (100 micrograms) was bolusly injected intramuscularly and PRL levels were measured immediately before the injection and at 30 minutes and 60 minutes after the injection. LHRH elicited an increase of m...
متن کاملLocalization of luteinizing hormone-releasing hormone (LHRH) neurons that project to the median eminence.
The neuropeptide, luteinizing hormone-releasing hormone (LHRH), is released from nerve terminals in the median eminence and carried via the hypophysial portal system to the anterior pituitary, where it stimulates the release of gonadotropins. LHRH-containing neurons are located in many different regions of the rodent brain, including olfactory, septal, preoptic, and hypothalamic structures. Sin...
متن کاملHuman malignant melanomas express receptors for luteinizing hormone releasing hormone allowing targeted therapy with cytotoxic luteinizing hormone releasing hormone analogue.
Cytotoxic analogue of luteinizing hormone releasing hormone (LHRH), AN-207, binds with high affinity to LHRH receptors and can be targeted to tumors expressing these receptors. We investigated the expression of LHRH receptors in surgical specimens of human malignant melanoma and evaluated the effects of AN-207 in models of human melanoma. Human melanoma specimens derived from primary tumors or ...
متن کاملLuteinizing hormone-releasing hormone neurons express Fos protein during the proestrous surge of luteinizing hormone.
The ability of luteinizing hormone-releasing hormone (LHRH) neurons to express the oncogene c-fos was examined during the estrous cycle in rats. The immunocytochemical localization of the c-fos-encoded antigen, Fos, was coupled with the immunocytochemical localization of LHRH. LHRH neurons showed no Fos immunoreactivity during diestrus-1, diestrus-2, estrus, or the morning of proestrus. However...
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ژورنال
عنوان ژورنال: Journal of Neuroendocrinology
سال: 1989
ISSN: 0953-8194,1365-2826
DOI: 10.1111/j.1365-2826.1989.tb00116.x