Document Detail


Overt leptin response to controlled ovarian hyperstimulation negatively correlates with pregnancy outcome in in vitro fertilization--embryo transfer cycle.
MedLine Citation:
PMID:  23162359     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
CONTEXT: A critical body mass of adipose tissue is essential for the normal development of female reproductive functions. Leptin, an adipocyte-derived hormone encoded by the 'Ob' gene has been proposed as a peripheral signal indicating the adequacy of nutritional status for reproductive functions. It is reported as a direct regulator of gametogenic and steroidogenic potential of ovary. Though leptin is widely present in reproductive tissues, its relationship to reproductive hormones is still poorly understood.
AIMS: Present investigation attempts to explore ovarian response to secretory profile of leptin and its impact on pregnancy outcome in women undergoing controlled ovarian hyperstimulation for in vitro fertilization and embryo transfer (IVF-ET).
SETTINGS AND DESIGN: Patients enrolled for IVF-ET underwent pituitary-ovarian suppression by 'Long Protocol' GnRH-agonist downregulation followed by ovarian stimulation.
MATERIALS AND METHODS: Sera were procured at different phases of IVF-ET for the assay of estradiol, progesterone, human chorionic gonadotropin, and for leptin. Ovarian follicular fluids were also assayed for leptin. Luteinized granulosa cells were cultured in vitro to evaluate their steroidogenic potential.
STATISTICAL ANALYSIS USED: Statistical analyses were done by student's t-test, ANOVA, and Chi-square tests as applicable. All results were expressed as Mean ± SE. P values < 0.05 were considered significant.
RESULTS: Positive correlation was observed between serum and ovarian follicular fluid leptin. A negative correlation was noted between the serum leptin levels and endometrial thickness.
CONCLUSIONS: Elevated leptin response may exert adverse impacts on pregnancy success during IVF-ET possibly by modulating uterine receptivity.
Authors:
Jana Chakrabarti; Ratna Chatterjee; Sourendrakanta Goswami; Baidyanath Chakravarty; Syed Nazrul Kabir
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of human reproductive sciences     Volume:  5     ISSN:  1998-4766     ISO Abbreviation:  J Hum Reprod Sci     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-11-19     Completed Date:  2012-11-20     Revised Date:  2013-05-30    
Medline Journal Info:
Nlm Unique ID:  101473512     Medline TA:  J Hum Reprod Sci     Country:  India    
Other Details:
Languages:  eng     Pagination:  194-9     Citation Subset:  -    
Affiliation:
Department of Biotechnology, Presidency University (Erstwhile Presidency College), 86/1, College Street, Kolkata, India.
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