Intra-follicular leptin concentration as a predictive factor for in vitro oocyte fertilization in assisted reproductive techniques

Granulosa-cells are able to produce and store leptin, suggesting that this hormone is locally involved in the regulation of follicular growth. In this study, the role of follicular fluid (FF) leptin concentration in predicting oocyte fertilization and embryo quality was evaluated in 35 normogonadotr...

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Bibliographic Details
Published in:Journal of endocrinological investigation 2006-09, Vol.29 (8), p.719-726
Main Authors: De Placido, G, Alviggi, C, Clarizia, R, Mollo, A, Alviggi, E, Strina, I, Fiore, E, Wilding, M, Pagano, T, Matarese, G
Format: Article
Language:English
Subjects:
Adult
Female
Fertilization in Vitro - methods
Follicular Fluid - chemistry
Follicular Fluid - metabolism
Follicular Fluid - physiology
Humans
Infertility, Female - blood
Infertility, Female - epidemiology
Infertility, Female - therapy
Leptin - blood
Longitudinal Studies
Male
Oocytes - chemistry
Oocytes - metabolism
Oocytes - physiology
Predictive Value of Tests
Reproductive Techniques, Assisted
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Summary:Granulosa-cells are able to produce and store leptin, suggesting that this hormone is locally involved in the regulation of follicular growth. In this study, the role of follicular fluid (FF) leptin concentration in predicting oocyte fertilization and embryo quality was evaluated in 35 normogonadotrophic women undergoing controlled ovarian stimulation (COS) for assisted reproductive techniques. Leptin concentration was measured in 47 consecutively collected FF in which a mature oocyte had been found during the ovum pick-up. Embryos deriving from fertilized oocytes were submitted to quality scoring systems. Mean leptin concentration was significantly higher in FF whose oocytes showed 2 pronuclei (no. 25) when compared with those with no evidence of fertilization (no. 22) at the 16-18 h check (26.0+/-6.1 vs 15.3+/-10.6 ng/ml, respectively, p
ISSN:0391-4097
1720-8386
DOI:10.1007/BF03344182