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Synthesis of iron oxide nanoparticles–antiubiquitin antibodies conjugates for depletion of dead/damaged spermatozoa from buffalo (Bubalus bubalis) semen
Biotechnology and Applied Biochemistry ( IF 3.2 ) Pub Date : 2020-11-02 , DOI: 10.1002/bab.2066
Amarjeet Bisla 1 , Rupali Rautela 1 , Vinay Yadav 2 , Gitesh Saini 2 , Praveen Singh 3 , Athanas Alex Ngou 1 , Abhishek Kumar 1 , Subrata Ghosh 1 , Ajay Kumar 4 , Sadhan Bag 5 , Sonalika Mahajan 6 , Neeraj Srivastava 1
Affiliation  

The synthesis of iron oxide nanoparticles (IONPs)–antiubiquitin antibodies (Abs) complex for depletion of dead/damaged spermatozoa from buffalo semen was done. The IONPs synthesized were round in shape with size of 12.09 ± 0.91 nm. At the end of the two-step functionalization, that is, silanization and pegylation of bare IONPs and bioconjugation of functionalized IOPNs, particles with the sizes of 19.15 ± 1.46, 20.72 ± 0.95, and 73.01 ± 7.56 nm, respectively, were obtained. Twenty-four semen samples from four bulls with mean individual progressive motility (%) and sperm concentration (million/mL) of 77.1 ± 0.9 and 1,321.2 ± 84.7, respectively, were divided into Group I (control), and treatment groups viz. Groups II, III, and IV; with each group containing 150 ± 25 million dead/damaged spermatozoa. The IONPs–Abs complex was added at the ratio of 1:1 (0.5 μg/mL), 1:2 (1.0 μg/mL), and 1:4 (2.0 μg/mL), respectively, in the Groups II, III, and IV. The mean efficiency (%) of nanopurification was estimated to be greater in nanopurified semen with the increasing doses of the IONPs–Abs complex. A reduction of 29.3 ± 6.4%, 48.4 ± 5.3%, and 55.4 ± 4.4% in dead/damaged spermatozoa following nanopurification in Groups II, III, and IV, respectively, was observed. The study shows that in-house synthesized IONPs–Abs complex can be successfully used to deplete dead/damaged spermatozoa from buffalo semen with improvement in quality.

中文翻译:

氧化铁纳米颗粒-抗泛素抗体偶联物的合成用于去除水牛 (Bubalus bubalis) 精液中的死亡/受损精子

完成了氧化铁纳米颗粒 (IONPs)-抗泛素抗体 (Abs) 复合物的合成,用于从水牛精液中去除死亡/受损精子。合成的 IONP 呈圆形,大小为 12.09 ± 0.91 nm。在两步功能化结束时,即裸 IONP 的硅烷化和聚乙二醇化以及功能化 IOPN 的生物共轭,分别获得尺寸为 19.15 ± 1.46、20.72 ± 0.95 和 73.01 ± 7.56 nm 的颗粒。来自四头公牛的 24 份精液样本,平均个体进行性运动 (%) 和精子浓度 (百万/毫升) 分别为 77.1 ± 0.9 和 1,321.2 ± 84.7,分为 I ​​组(对照组)和治疗组,. 第 II、III 和 IV 组;每组包含 150 ± 2500 万个死亡/受损精子。在 II、III 组中,IONPs-Abs 复合物的添加比例分别为 1:1 (0.5 μg/mL)、1:2 (1.0 μg/mL) 和 1:4 (2.0 μg/mL) ,和四。随着 IONPs-Abs 复合物剂量的增加,纳米纯化精液的平均效率 (%) 估计会更高。在第 II、III 和 IV 组中分别观察到在纳米纯化后死亡/受损精子的减少 29.3 ± 6.4%、48.4 ± 5.3% 和 55.4 ± 4.4%。研究表明,内部合成的 IONPs-Abs 复合物可成功用于从水牛精液中去除死亡/受损的精子,从而提高质量。
更新日期:2020-11-02
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