PMID- 25246909 OWN - NLM STAT- PubMed-not-MEDLINE DCOM- 20140923 LR - 20211021 IS - 1680-6433 (Print) IS - 2008-2177 (Electronic) IS - 1680-6433 (Linking) VI - 10 IP - 5 DP - 2012 Sep TI - Effect of combined density gradient centrifugation on X- and Y- sperm separation and chromatin integrity. PG - 435-40 AB - BACKGROUND: It has been claimed that by using different washing methods, the sperms can be separated according to size, motility, density, chromosomal content and surface markings and charge. These methods also reduce sperm chromatin deficiencies and screen the sperms before applying in assisted reproduction techniques. OBJECTIVE: This study compared simple density gradient methods and a combined method with albumin density gradient and PureSperm separation (alb/PureSperm) for sex preselection by double fluorescence in situ hybridization (FISH) versus chromomycin A3 staining to determine chromatin integrity. MATERIALS AND METHODS: 30 normal semen samples were prepared with PureSperm, albumin gradients and alb/PureSperm. All samples were then stained by FISH and chromomycin A3. The results were compared with SPSS 11.5 and the Kruskal-Wallis test. RESULTS: The proportion of X-bearing spermatozoa by PureSperm separation (47.58+/-5.67) and Y-bearing spermatozoa by albumin gradient (46.13+/-3.83) methods were slightly higher than in putative normal sperm samples (1:1), but there were no significant differences in the X- or Y- bearing spermatozoa counts among the three methods. Albumin gradient separation tended to underestimate abnormal spermatozoa compared to PureSperm and combined alb/PureSperm. CONCLUSION: Routine separation methods slightly enriched X- or Y- bearing spermatozoa, but the differences were not significant for clinical purposes. The combined alb/PureSperm method had no advantages for assessing sex ratio or chromatin integrity compared to simpler gradient methods. FAU - Esmaeilpour, Tahereh AU - Esmaeilpour T AD - Department of Anatomical Sciences, Medical School, Shiraz University of Medical Sciences, Shiraz, Iran. FAU - Elyasi, Leila AU - Elyasi L AD - Department of Anatomical Sciences, Medical School, Shiraz University of Medical Sciences, Shiraz, Iran. FAU - Bahmanpour, Soghra AU - Bahmanpour S AD - Department of Anatomical Sciences, Medical School, Shiraz University of Medical Sciences, Shiraz, Iran. FAU - Ghannadi, Alireza AU - Ghannadi A AD - Islamic Azad University, Larestan, Iran. ; Shiraz Infertility Center, Shiraz, Iran. FAU - Monabbati, Ahmad AU - Monabbati A AD - Department of Pathology, Shiraz University of Medical Sciences, Shiraz, Iran. FAU - Dehghani, Farzaneh AU - Dehghani F AD - Department of Anatomical Sciences, Medical School, Shiraz University of Medical Sciences, Shiraz, Iran. FAU - Kazerooni, Marjaneh AU - Kazerooni M AD - Shiraz Infertility Center, Shiraz, Iran. LA - eng PT - Journal Article PL - Iran TA - Iran J Reprod Med JT - Iranian journal of reproductive medicine JID - 101463749 PMC - PMC4169681 OTO - NOTNLM OT - Albumin gradient OT - Double-labeled fluorescence in situ hybridization OT - Sex ratio OT - Sperm chromatin OT - Sperm separation EDAT- 2012/09/01 00:00 MHDA- 2012/09/01 00:01 PMCR- 2012/09/01 CRDT- 2014/09/24 06:00 PHST- 2011/07/31 00:00 [received] PHST- 2011/10/08 00:00 [revised] PHST- 2011/12/14 00:00 [accepted] PHST- 2014/09/24 06:00 [entrez] PHST- 2012/09/01 00:00 [pubmed] PHST- 2012/09/01 00:01 [medline] PHST- 2012/09/01 00:00 [pmc-release] AID - ijrm-10-435 [pii] PST - ppublish SO - Iran J Reprod Med. 2012 Sep;10(5):435-40.