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Consequences of semen inflammation and lipid peroxidation on fertilization capacity of spermatozoa in in vitro conditions.

Jedrzejczak P, Fraczek M, Szumała-Kakol A, Taszarek-Hauke G, Pawelczyk L, Kurpisz M

Clinic of Infertility and Reproductive Endocrinology, School of Medicine, Poznań, Poland.

A body of data exists on reactive oxygen species (ROS) release, however, no direct correlation was found between the oxidative stress and infertility. The aim of the study was to measure semen oxidative stress and its correlation with classical in vitro fertilization (IVF) rate. A prospective study in academic non-profit institution where 79 infertile couples were subjected to IVF programme was conducted. Two infertile groups were discriminated according to the pronuclei presence in IVF. The main outcome measure (pronuclei presence) was then correlated with lipid peroxidation product in semen (ROS effect). Although the average IL-8 levels and malondialdehyde (MDA) content in semen did not differ between the studied subgroups (successful vs. non-successful fertilization), a statistically significant negative correlation was found between MDA level and fertilization rate in performed regression analysis. Thus we may suggest that MDA levels in seminal plasma may have prognostic value for IVF success.

Published 30 August 2005 in Int J Androl, 28(5): 275-83.
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