نتایج جستجو برای: tunel test
تعداد نتایج: 817760 فیلتر نتایج به سال:
Evidence is increasing that the integrity of sperm DNA may also be related to implantation failure and recurrent miscarriage (RM). To investigate this, the sperm DNA fragmentation in partners of 35 women with recurrent implantation failure (RIF) following in vitro fertilization, 16 women diagnosed with RM and seven recent fathers (control) were examined. Sperm were examined pre- and post-densit...
objective(s): neuroprotective effect of creatine (cr) against β-amyloid (aβ) is reported in an in vitro study. this study investigated the effect of cr supplementation on β-amyloid toxicity in vivo. materials and methods: thirty two, male wistar rats were divided into 4 groups. during ten weeks of study, control group went through no surgical or dietary intervention. at the 4th week of study sh...
introduction: in this study, the effect of para-nonylphenol as an environmental pollutant on viability, morphology and proliferation of bone marrow mesenchymal stem cells was investigated. methods: bone marrow mesenchymal stem cells of rat were treated with the 0.5, 1, 2.5, 3.5 and 5 μm of paranonylphenol for a period of 21 days, then the viability of the cells were estimated using trypan blue ...
BACKGROUND There is an association between aging ana an increased number of sperms with alterations in nuclear DNA. AIM To study the association between age and fragmentation of sperm DNA. MATERIAL AND METHODS Sixty two volunteers provided semen for analysis. These were separated in a group aged less than forty years and a second group aged more than forty years. Sperm DNA fragmentation was...
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