2007
DOI: 10.2164/jandrol.106.002105
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Sperm DNA Integrity From Sperm to Egg

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Cited by 25 publications
(14 citation statements)
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“…Within the mammalian GPX protein family, GPX5 is a unique enzyme, since it is devoid of the classical selenocysteine residue that is part of the GPX catalytic site and that was shown to be critical for selenium-dependent GPX activity (5). Despite the absence of this essential residue in its catalytic site, we have shown in earlier studies that GPX5 could work both in vitro and in vivo, as would be expected for an antioxidant scavenger (29,30).…”
Section: Discussionmentioning
confidence: 67%
See 1 more Smart Citation
“…Within the mammalian GPX protein family, GPX5 is a unique enzyme, since it is devoid of the classical selenocysteine residue that is part of the GPX catalytic site and that was shown to be critical for selenium-dependent GPX activity (5). Despite the absence of this essential residue in its catalytic site, we have shown in earlier studies that GPX5 could work both in vitro and in vivo, as would be expected for an antioxidant scavenger (29,30).…”
Section: Discussionmentioning
confidence: 67%
“…4). This unconventional mammalian GPX, unlike the other members of the family, is devoid of the classical selenocysteine residue that was shown to be critical for its activity (5). Gpx5 is strongly expressed under androgenic control in the caput epididymidis (6), and the corresponding protein is readily secreted in the epididymal lumen, where it was shown to interact loosely with sperm cells (7,8).…”
Section: Introductionmentioning
confidence: 99%
“…Sperm DNA integrity plays a vital role in development of the embryo and fetal well being. DNA damage may result in poorly embryonic development [30]. Sperm DNA damage may occur by at least one of three fundamental mechanisms: defective chromatin condensation or abortive apoptosis during spermatogenesis or transportation of sperm through the male or the female genital tract [38] and oxidative damage to sperm DNA, which results in accumulation of mutagenic bases like 8-hydroxy-2-deoxyguanosine, creates abasic sites, single and double strand breaks.…”
Section: Introductionmentioning
confidence: 99%
“…Longtemps considéré comme un simple tuyau, l'épididyme apparaît clairement maintenant comme un tissu essentiel à la fertilité mâle. Les phénomènes mis en exergue ici trouvent leur écho en clinique, comme en témoigne une littérature pléthorique qui atteste qu'une fraction importante des infertilités mâles est corrélée à des dommages oxydants des spermatozoïdes affectant la mobilité progressive, perturbant la capacité à réaliser la réaction acrosomique et conduisant à un niveau élevé de fragmentation nucléaire [24][25][26][27][28][29][30][31][32][33][34][35][36][37] …”
Section: Discussionunclassified