Abstract:
BACKGROUND:Varicocele is associated with high levels of DNA damage in spermatozoa due to oxidative stress and elevated levels of sperm DNA fragmentation, which has been currently proposed to be an essential additional diagnostic test to be recommended for patients with clinical varicocele. The aim of this study was to evaluate the parameters of semen and the DNA fragmentation index (DFI) in patients with varicocele before and after varicocelectomy. METHODS:The details of 92 consecutive patients were retrospectively analyzed from January 2010 to December 2012. The sperm samples were evaluated according to the World Health Organization Guidelines. Sperm DNA damage, characterized as DFI, was evaluated by sperm chromatin structure assay using flow cytometry. RESULTS:There was a statistically significant improvement in the semen concentration, the total motile count, the total normal sperm count, and the sperm DNA fragmentation index (DFI; the percentage of sperm with denatured DNA) after varicocelectomy. There was a large decrease in DFI from a preoperative mean of 42.6% to a postoperative mean of 20.5% (P < 0.001). A higher preoperative DFI was associated with a larger decrease in postoperative DFI, and significant negative correlations were observed between the DFI and sperm motility (r = -0.42, P < 0.01). CONCLUSION:Our data suggest that varicocelectomy can improve multiple semen parameters and sperm DNA damage in infertile men with varicocele. The patients with preoperative defects in those parameters showed greater improvement postoperatively. Further research in this area is needed to understand the exact mechanisms of DNA damage in infertile men with varicocele.
journal_name
Biomed Res Intjournal_title
BioMed research internationalauthors
Kadioglu TC,Aliyev E,Celtik Mdoi
10.1155/2014/695713subject
Has Abstractpub_date
2014-01-01 00:00:00pages
695713eissn
2314-6133issn
2314-6141journal_volume
2014pub_type
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journal_title:BioMed research international
pub_type: 杂志文章
doi:10.1155/2014/578698
更新日期:2014-01-01 00:00:00
abstract::Protein phosphorylation is one of the most widespread regulatory mechanisms in eukaryotes. Over the past decade, phosphorylation site prediction has emerged as an important problem in the field of bioinformatics. Here, we report a new method, termed Random Forest-based Phosphosite predictor 2.0 (RF-Phos 2.0), to predi...
journal_title:BioMed research international
pub_type: 杂志文章
doi:10.1155/2016/3281590
更新日期:2016-01-01 00:00:00
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journal_title:BioMed research international
pub_type: 杂志文章
doi:10.1155/2014/419376
更新日期:2014-01-01 00:00:00
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journal_title:BioMed research international
pub_type: 杂志文章
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更新日期:2020-06-11 00:00:00
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更新日期:2018-02-26 00:00:00
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pub_type: 杂志文章
doi:10.1155/2013/351942
更新日期:2013-01-01 00:00:00
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pub_type: 杂志文章
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更新日期:2018-09-16 00:00:00
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journal_title:BioMed research international
pub_type: 杂志文章
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journal_title:BioMed research international
pub_type: 杂志文章,评审
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journal_title:BioMed research international
pub_type: 杂志文章,随机对照试验
doi:10.1155/2014/398960
更新日期:2014-01-01 00:00:00
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journal_title:BioMed research international
pub_type: 杂志文章
doi:10.1155/2014/461724
更新日期:2014-01-01 00:00:00
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pub_type: 杂志文章
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journal_title:BioMed research international
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更新日期:2013-01-01 00:00:00
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更新日期:2019-10-02 00:00:00
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journal_title:BioMed research international
pub_type: 杂志文章
doi:10.1155/2016/6068437
更新日期:2016-01-01 00:00:00
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journal_title:BioMed research international
pub_type: 杂志文章,评审
doi:10.1155/2014/615312
更新日期:2014-01-01 00:00:00
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pub_type: 临床试验,杂志文章
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journal_title:BioMed research international
pub_type: 杂志文章,meta分析
doi:10.1155/2013/320560
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journal_title:BioMed research international
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更新日期:2020-04-14 00:00:00
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journal_title:BioMed research international
pub_type: 杂志文章
doi:10.1155/2014/860241
更新日期:2014-01-01 00:00:00
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pub_type: 杂志文章
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pub_type: 杂志文章
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更新日期:2016-01-01 00:00:00