نتایج جستجو برای: AMH

تعداد نتایج: 1599  

2016
A. C. de Kat Y. T. van der Schouw M. J. C. Eijkemans G. C. Herber-Gast J. A. Visser W. M. M. Verschuren F. J. M. Broekmans

BACKGROUND Anti-Müllerian hormone (AMH) is currently used as an ovarian reserve marker for individualized fertility counseling, but very little is known of individual AMH decline in women. This study assessed whether the decline trajectory of AMH is uniform for all women, and whether baseline age-specific AMH levels remain consistently high or low during this trajectory. METHODS A total of 33...

2014
Pietro G Signorile Francesca Petraglia Alfonso Baldi

BACKGROUND The anti-mullerian hormone (AMH) is a member of the transforming growth factor β (TGF-β) superfamily, which is responsible of the regression of the mullerian duct. AMH is expressed in the normal endometrium, where, acting in a paracrine fashion, negatively regulates cellular viability. Our objective was to evaluate the in vitro effects of the treatment with AMH of endometriosic cells...

2016
Ghislaine Garrel Chrystèle Racine David L’Hôte Chantal Denoyelle Céline J. Guigon Nathalie di Clemente Joëlle Cohen-Tannoudji

Anti-Müllerian hormone (AMH) contributes to male sexual differentiation and acts on gonads of both sexes. Identification of AMH receptivity in both pituitary and brain has led to the intriguing idea that AMH participates to the hypothalamic-pituitary control of reproduction, however in vivo experimental evidence is still lacking. We show that AMH stimulates secretion and pituitary gene expressi...

Journal: :Mechanisms of Development 2006
Shuji Takada Tomoaki Wada Ruri Kaneda Young Lim Choi Yoshihiro Yamashita Hiroyuki Mano

The anti-Müllerian hormone gene (Amh) is responsible for regression in males of the Müllerian ducts. The molecular mechanism of regulation of chicken Amh expression is poorly understood. To investigate the regulation of chicken Amh expression, we have cloned Amh cDNAs from quail and duck as well as the promoter regions of the gene from chicken, quail, and duck. The expression patterns of Amh du...

Journal: :Endocrinology 1999
Alexandra L L Durlinger Piet Kramer Bas Karels Frank H de Jong Jan Th J Uilenbroek J Anton Grootegoed Axel P N Themmen

The dimeric glycoprotein anti-Müllerian hormone (AMH) is a member of the transforming growth factor-beta superfamily of growth and differentiation factors. During male fetal sex differentiation, AMH is produced by Sertoli cells and induces degeneration of the Müllerian ducts, which form the anlagen of part of the internal female genital system. In females, AMH is produced by the ovary, but only...

Journal: :Clinical chemistry and laboratory medicine 2014
Dieter Gassner Rebecca Jung

BACKGROUND The increasing importance of anti-Müllerian hormone (AMH) for the assessment of ovarian reserve requires accurate AMH measurements. There have been conflicting results about the reliability of currently existing manual AMH assays. METHODS Development of a high sensitive, fast and fully automated AMH assay on the Elecsys®/cobas e electrochemiluminescence immunoassay platform. RESU...

Journal: :Human reproduction 2007
G Méduri N Massin J Guibourdenche A Bachelot O Fiori F Kuttenn M Misrahi P Touraine

BACKGROUND Premature ovarian failure (POF) is generally irreversible. However, developing follicles up to the antral stage are reported in POF and anti-Müllerian hormone (AMH) might be a good indicator of follicular presence. This study analysed serum AMH, ovarian histology and AMH immunoexpression in POF patients. METHODS A cross-sectional study of 48 POF patients in an Endocrinology Departm...

Journal: :Molecular human reproduction 2013
J V Jeppesen R A Anderson T W Kelsey S L Christiansen S G Kristensen K Jayaprakasan N Raine-Fenning B K Campbell C Yding Andersen

Anti-Müllerian hormone (AMH) is exclusively produced by granulosa cells (GC) of the developing pre-antral and antral follicles, and AMH is increasingly used to assess ovarian function. It is unclear which size follicles make the most AMH (total content) and are the main contributors to circulating AMH concentrations. To determine AMH gene expression in GC (q-RT-PCR) and follicular AMH productio...

2013
Nathalie Josso Rodolfo A. Rey Jean-Yves Picard

Anti-Müllerian hormone (AMH), secreted by immature Sertoli cells, provokes the regression of male fetal Müllerian ducts. FSH stimulates AMH production; during puberty, AMH is downregulated by intratesticular testosterone and meiotic germ cells. In boys, AMH determination is useful in the clinical setting. Serum AMH, which is low in infants with congenital central hypogonadism, increases with FS...

Journal: :Hormones 2011
Artemis Karkanaki Christos Vosnakis Dimitrios Panidis

Anti-Müllerian hormone (AMH) is a homodimeric glycoprotein, a member of the transforming growth factor-β superfamily. Over the last decade, a large number of studies examining the multiple roles of AMH have been published. AMH levels accurately reflect the ovarian follicular reserve and could, therefore, be considered as an extremely sensitive marker of ovarian aging and a valuable tool in the ...

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