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Recovery of sperms bearing X chromosomes with different concentrations of magnetic nanoparticles in ram
Reproduction in Domestic Animals ( IF 1.7 ) Pub Date : 2020-08-19 , DOI: 10.1111/rda.13807
Maryam Moradi 1 , Hadi Hajarian 1 , Hamed Karamishabankareh 1 , Leila Soltani 1 , Bijan Soleymani 2
Affiliation  

Pre‐conceptual sex selection is still a highly debatable process whereby X and Y chromosome bearing spermatozoa are isolated before oocyte fertilization. Recently, magnetic nanoparticles (MNP) have been used to determine X and Y chromosomes bearing spermatozoa as a result of searching for a cheap, highly efficient method using non‐toxic materials. This study aimed to recover the sperm bearing X chromosomes in ram with different concentrations of MNP and then evaluate the success of this method using polymerase chain reaction (PCR). Ram sperms were divided into four groups, treated with 0 (control), 50, 100 and 200 μg/ml MNP, respectively. MNP was used to restore sperm cells bearing X chromosomes. Upon recovery, the PCR was performed to identify the X and Y sperms, Methyl ThiazoleTetrazolium (MTT), to assess MNP toxicity and sperm viability and acridine orange (AO) to evaluate sperm DNA integrity. The results of PCR revealed that the treatment of spermatozoa‐ bearing X chromosomes with 50 μg/ml MNP had the highest effects on the recovery of X sperm rather than the other concentrations of MNP. However, the concentrations of MNP did not have any toxic effects on spermatozoa, sperm viability and, DNA integrity, but the high concentration of MNP (200 μg/ml) significantly reduced DNA integrity. According to MTT and AO results, the concentrations of MNP used in this study had no toxic effects on spermatozoa and did not reduce the sperm viability and DNA integrity, except that 200 μg/ml MNP significantly reduced DNA integrity.

中文翻译:

用不同浓度的磁性纳米粒子回收带有X染色体的精子

概念前的性别选择仍然是一个值得商bat的过程,通过该过程,在卵母细胞受精之前分离出带有X和Y染色体的精子。最近,磁性纳米颗粒(MNP)已被用于确定带有精子的X和Y染色体,这是使用廉价的高效方法来寻找无毒材料的结果。这项研究旨在回收具有不同浓度的MNP的公羊中带有X染色体的精子,然后使用聚合酶链反应(PCR)评估该方法的成功性。Ram精子分为四组,分别用0(对照),50、100和200μg/ ml MNP处理。MNP用于恢复带有X染色体的精子细胞。恢复后,进行PCR鉴定X和Y精子,甲基噻唑四唑(MTT),评估MNP毒性和精子活力,并用a啶橙(AO)评估精子DNA完整性。PCR结果显示,用50μg/ ml MNP处理带有精子的X染色体对X精子的恢复效果最高,而不是其他浓度的MNP。然而,MNP的浓度对精子,精子活力和DNA完整性没有任何毒性作用,但是高浓度的MNP(200μg/ ml)则明显降低了DNA完整性。根据MTT和AO结果,本研究中使用的MNP浓度对精子没有毒性作用,并且没有降低精子活力和DNA完整性,只是200μg/ ml MNP显着降低了DNA完整性。PCR结果显示,用50μg/ ml MNP处理带有精子的X染色体对X精子的恢复效果最高,而不是其他浓度的MNP。然而,MNP的浓度对精子,精子活力和DNA完整性没有任何毒性作用,但是高浓度的MNP(200μg/ ml)则明显降低了DNA完整性。根据MTT和AO结果,本研究中使用的MNP浓度对精子没有毒性作用,并且没有降低精子活力和DNA完整性,只是200μg/ ml MNP显着降低了DNA完整性。PCR结果显示,用50μg/ ml MNP处理带有精子的X染色体对X精子的恢复效果最高,而不是其他浓度的MNP。然而,MNP的浓度对精子,精子活力和DNA完整性没有任何毒性作用,但是高浓度的MNP(200μg/ ml)则明显降低了DNA完整性。根据MTT和AO结果,本研究中使用的MNP浓度对精子没有毒性作用,并且没有降低精子活力和DNA完整性,只是200μg/ ml MNP显着降低了DNA完整性。精子的活力和DNA完整性,但是高浓度的MNP(200μg/ ml)明显降低了DNA完整性。根据MTT和AO结果,本研究中使用的MNP浓度对精子没有毒性作用,并且没有降低精子活力和DNA完整性,只是200μg/ ml MNP显着降低了DNA完整性。精子的活力和DNA完整性,但是高浓度的MNP(200μg/ ml)明显降低了DNA完整性。根据MTT和AO结果,本研究中使用的MNP浓度对精子没有毒性作用,并且没有降低精子活力和DNA完整性,只是200μg/ ml MNP显着降低了DNA完整性。
更新日期:2020-08-19
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