Document Detail

Patients with endometriosis and patients with poor ovarian reserve have abnormal follicle-stimulating hormone receptor signaling pathways.
MedLine Citation:
PMID:  21474127     Owner:  NLM     Status:  Publisher    
OBJECTIVE: To study the integrity of the FSH receptor (FSHR) signaling pathway in granulosa-lutein cells at the time of egg retrieval and its relationship with the infertility diagnosis. DESIGN: In vitro assays. SETTING: University laboratory and private IVF center. PATIENT(S): Patients undergoing IVF: 35 controls (no ovarian factor, NOF), 28 poor responders (PR), 32 patients with endometriosis (EM), and 22 patients with polycystic ovary syndrome (PCOS). INTERVENTION(S): Quantitative reverse transcriptase-polymerase chain reaction (PCR) in granulosa-lutein cells from pooled follicles. MAIN OUTCOME MEASURE(S): Correlation between expression of FSHR and FSH-regulated genes PAPP/Cyp19A1. RESULT(S): Positive correlations among FSHR, PAPP, and Cyp19A1 expression levels are observed in NOF and are lost, with different patterns, in poor responder patients and those with endometriosis. Patients with endometriosis are an heterogeneous group including patients with poor ovarian reserve who behave like other poor responders patients (endometriosis-A) and patients with good response to ovarian stimulation (endometriosis-B) who show a specific alteration of the FSHR signaling pathway. CONCLUSION(S): These preliminary data suggest that the different signaling pathways activated through the FSHR in normal ovaries (NOF) are disrupted in poor responders and in patients with endometriosis. A better knowledge of the molecular origin of these errors may guide clinicians in the choice of personalized ovulation induction protocols for each type of ovarian dysfunction.
Rebeca González-Fernández; Oscar Peña; Jairo Hernández; Pablo Martín-Vasallo; Angela Palumbo; Julio Avila
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-4-5
Journal Detail:
Title:  Fertility and sterility     Volume:  -     ISSN:  1556-5653     ISO Abbreviation:  -     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-4-8     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0372772     Medline TA:  Fertil Steril     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 American Society for Reproductive Medicine. Published by Elsevier Inc. All rights reserved.
Departamento de Bioquímica y Biología Molecular, Universidad de la Laguna, Tenerife, Spain.
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