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Title: Analysis of pituitary gonadotropin concentration in blood serum and immunolocalization and immunoexpression of follicle stimulating hormone and luteinising hormone receptors in ovaries of postmenopausal women
Issue Date: 2012
Publisher: F. Hernández y Juan F. Madrid. Universidad de Murcia: Departamento de Biología Celular e Histología
Citation: Histology and histopathology, Vol. 27, nº 2 (2012)
ISSN: 1699-5848
Related subjects: CDU::6 - Ciencias aplicadas::61 - Medicina
Keywords: Postmenopausal ovary
Abstract: The participation of gonadotropins in ovarian carcinogenesis is well known and is supported by studies with inhibition of pituitary gonadotropin secretion, which results in a diminished risk of cancer. However, there are few data on localization and expression of Follicle Stimulating Hormone and Luteinising Hormone Receptors (FSHR and LHR) in ovaries of healthy postmenopausal women, and their correlation with FSH and LH concentration in blood serum is unknown. The aim of our study was to analyze gonadotropin concentration in blood serum and the expression of FSHR and LHR in ovaries of 207 postmenopausal women. Patients included in the study were divided into three groups depending on the number of years since menopause. We analyzed the concentration of FSH and LH in blood serum and the expression of FSHR and LHR in ovaries. Ovaries of postmenopausal women showed numerous morphological changes in the cortex and medulla when compared to the structure of ovaries of women at reproductive age. In all groups of patients clefts in the surface epithelium and epithelial inclusion cysts were found. The concentration of FSH and LH in the blood serum of women studied increased significantly with time from menopause. Significant differences between analyzed menopausal groups were found. The highest FSH and LH concentration in blood serum were found in women with the longest period of time from menopause. Quantitatively similar expression of FSHR and LHR was found in ovarian surface epithelial cells, in epithelial inclusion cysts and in the connective tissue cells of ovarian stroma. The intensity of the immunohisto-chemical reaction decreased with time from menopause and with age
Primary author: Brodowska, A.
Laszczynska, M.
Brodowski, J.
Masiuk, M.
Starczewski, A.
Document type: info:eu-repo/semantics/article
Number of pages / Extensions: 8
Rights: info:eu-repo/semantics/openAccess
Appears in Collections:Vol.27, nº 2 (2012)

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