The circadian variation in Anti-Müllerian hormone in patients with polycystic ovary syndrome differs significantly from normally ovulating women.

<h4>Objective</h4>[corrected] To improve the biologic understanding of the Polycystic Ovarian Syndrome (PCOS) condition by examining the circadian variation and relationship between Anti Müllerian Hormone (AMH), gonadotropins and ovarian steroids in PCOS patients compared to normally ovu...

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Autores principales: Leif Bungum, Florencia Franssohn, Mona Bungum, Peter Humaidan, Aleksander Giwercman
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Publicado: Public Library of Science (PLoS) 2013
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spelling oai:doaj.org-article:80d044d9c68a42ae9329dfdcd04e40972021-11-18T08:57:06ZThe circadian variation in Anti-Müllerian hormone in patients with polycystic ovary syndrome differs significantly from normally ovulating women.1932-620310.1371/journal.pone.0068223https://doaj.org/article/80d044d9c68a42ae9329dfdcd04e40972013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24023708/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Objective</h4>[corrected] To improve the biologic understanding of the Polycystic Ovarian Syndrome (PCOS) condition by examining the circadian variation and relationship between Anti Müllerian Hormone (AMH), gonadotropins and ovarian steroids in PCOS patients compared to normally ovulating and menstruating women. By comparing the pattern of co-variation between AMH and Luteinizing Hormone, two compounds closely linked to hyperandrogenism and anovulation in PCOS, the involvement of the Hypothalamic-Pituitary-Ovarian axis in PCOS pathology could be elucidated.<h4>Patients</h4>Eight normal-weighted young, anovulatory PCOS-women as study group and ten normal menstruating and ovulating women as controls.<h4>Interventions</h4>Observational prospective study of the circadian variation in AMH, gonadotropins, sex steroids and androgens in a study and a control group. A circadian profile was performed in each study and control subject during a 24-h period by blood sampling every second hour, starting at 8:00 a.m. and continuing until 8:00 a.m. the following day.<h4>Results</h4>Significant differences in hormonal levels were found between the groups, with higher concentrations of AMH, LH and androgens in the PCOS group and lower amounts of FSH and progesterone. A distinct difference in the circadian variation pattern of AMH and LH between PCOS patients and normal controls was seen, with PCOS patients presenting a uniform pattern in serum levels of AMH and LH throughout the study period, without significant nadir late-night values as was seen in the control group. In PCOS women, a significant positive association between LH/ FSH and testosterone was found opposite to controls.<h4>Main outcome measures</h4>Circadian variation in Anti-Müllerian Hormone, gonadotropins and ovarian steroids and the covariation between them.<h4>Conclusion</h4>A significant difference in the circadian secretion of LH and AMH in PCOS women compared to normally ovulating women indicate an increased GnRH pulse, creating high and constant LH serum concentrations. A significant co-variation between LH and AMH may suggest LH as a factor involved in the control of AMH secretion.Leif BungumFlorencia FranssohnMona BungumPeter HumaidanAleksander GiwercmanPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 9, p e68223 (2013)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Leif Bungum
Florencia Franssohn
Mona Bungum
Peter Humaidan
Aleksander Giwercman
The circadian variation in Anti-Müllerian hormone in patients with polycystic ovary syndrome differs significantly from normally ovulating women.
description <h4>Objective</h4>[corrected] To improve the biologic understanding of the Polycystic Ovarian Syndrome (PCOS) condition by examining the circadian variation and relationship between Anti Müllerian Hormone (AMH), gonadotropins and ovarian steroids in PCOS patients compared to normally ovulating and menstruating women. By comparing the pattern of co-variation between AMH and Luteinizing Hormone, two compounds closely linked to hyperandrogenism and anovulation in PCOS, the involvement of the Hypothalamic-Pituitary-Ovarian axis in PCOS pathology could be elucidated.<h4>Patients</h4>Eight normal-weighted young, anovulatory PCOS-women as study group and ten normal menstruating and ovulating women as controls.<h4>Interventions</h4>Observational prospective study of the circadian variation in AMH, gonadotropins, sex steroids and androgens in a study and a control group. A circadian profile was performed in each study and control subject during a 24-h period by blood sampling every second hour, starting at 8:00 a.m. and continuing until 8:00 a.m. the following day.<h4>Results</h4>Significant differences in hormonal levels were found between the groups, with higher concentrations of AMH, LH and androgens in the PCOS group and lower amounts of FSH and progesterone. A distinct difference in the circadian variation pattern of AMH and LH between PCOS patients and normal controls was seen, with PCOS patients presenting a uniform pattern in serum levels of AMH and LH throughout the study period, without significant nadir late-night values as was seen in the control group. In PCOS women, a significant positive association between LH/ FSH and testosterone was found opposite to controls.<h4>Main outcome measures</h4>Circadian variation in Anti-Müllerian Hormone, gonadotropins and ovarian steroids and the covariation between them.<h4>Conclusion</h4>A significant difference in the circadian secretion of LH and AMH in PCOS women compared to normally ovulating women indicate an increased GnRH pulse, creating high and constant LH serum concentrations. A significant co-variation between LH and AMH may suggest LH as a factor involved in the control of AMH secretion.
format article
author Leif Bungum
Florencia Franssohn
Mona Bungum
Peter Humaidan
Aleksander Giwercman
author_facet Leif Bungum
Florencia Franssohn
Mona Bungum
Peter Humaidan
Aleksander Giwercman
author_sort Leif Bungum
title The circadian variation in Anti-Müllerian hormone in patients with polycystic ovary syndrome differs significantly from normally ovulating women.
title_short The circadian variation in Anti-Müllerian hormone in patients with polycystic ovary syndrome differs significantly from normally ovulating women.
title_full The circadian variation in Anti-Müllerian hormone in patients with polycystic ovary syndrome differs significantly from normally ovulating women.
title_fullStr The circadian variation in Anti-Müllerian hormone in patients with polycystic ovary syndrome differs significantly from normally ovulating women.
title_full_unstemmed The circadian variation in Anti-Müllerian hormone in patients with polycystic ovary syndrome differs significantly from normally ovulating women.
title_sort circadian variation in anti-müllerian hormone in patients with polycystic ovary syndrome differs significantly from normally ovulating women.
publisher Public Library of Science (PLoS)
publishDate 2013
url https://doaj.org/article/80d044d9c68a42ae9329dfdcd04e4097
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