Sihan Chen, Jiemin Chen, Zihan Qin, Jibo Wang, Yuwen Wang, Rong Liu, Wen Zhao, Ming Zhang, Yuanzhen Zhang, Mengcheng Luo, Pu Chen
{"title":"高运动性精子的微流体热选择和体外受精","authors":"Sihan Chen, Jiemin Chen, Zihan Qin, Jibo Wang, Yuwen Wang, Rong Liu, Wen Zhao, Ming Zhang, Yuanzhen Zhang, Mengcheng Luo, Pu Chen","doi":"10.1007/s42242-024-00306-1","DOIUrl":null,"url":null,"abstract":"<p>在辅助生殖过程中,选择活力强且功能完好的精子是确保胚胎发育成功的关键步骤。传统的精子样本处理方法,如离心和洗涤,可能引入机械损伤和氧化应激,影响精子质量。尽管微流控技术通过模拟精子自然游动方式以减少这些不利影响,但现有方法尚未经过临床级别的全面验证。受自然环境下输卵管中精子选择机制以及精子对温度梯度的内在响应特性的启发,我们设计并制造了一种微流控装置,该装置在精子分选通道内形成可控的温度梯度。我们系统地研究了人类精子在不同温度条件下的响应,并全面评估了45份人类精子样本通过趋温性选择的效果。研究结果表明,在35~36.5 ℃的温度范围内,与非趋温性选择相比,通过趋温性选择的精子展现出更高的活率((85.25±6.28)% vs.(60.72±1.37)%;<i>P</i>=0.0484),更高的正常形态率((16.42±1.43)% vs.(12.55±0.88)%;<i>P</i><0.0001),以及更低的DNA碎片率((7.44±0.79)% vs.(10.36±0.72)%;<i>P</i>=0.0485)。此外,精子趋温性表现出物种特异性,小鼠精子在36~37.5 ℃的温度范围内活力最高。体外受精实验进一步证实,利用趋温性选择的精子显著提高了受精率,并改善了从受精卵到囊胚的胚胎发育过程。本研究提出并验证了一种基于微流控技术的趋温性精子选择方法。该方法不仅能够有效选择高活力和功能完好的精子,而且能够降低传统处理方法可能带来的不利影响。这一创新方法有望在未来转化为临床实践,特别是在少精子症和弱精子症患者的体外受精治疗中,以提高受精率和胚胎发育的成功率。</p>","PeriodicalId":48627,"journal":{"name":"Bio-Design and Manufacturing","volume":null,"pages":null},"PeriodicalIF":8.1000,"publicationDate":"2024-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Microfluidic thermotaxic selection of highly motile sperm and in vitro fertilization\",\"authors\":\"Sihan Chen, Jiemin Chen, Zihan Qin, Jibo Wang, Yuwen Wang, Rong Liu, Wen Zhao, Ming Zhang, Yuanzhen Zhang, Mengcheng Luo, Pu Chen\",\"doi\":\"10.1007/s42242-024-00306-1\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>在辅助生殖过程中,选择活力强且功能完好的精子是确保胚胎发育成功的关键步骤。传统的精子样本处理方法,如离心和洗涤,可能引入机械损伤和氧化应激,影响精子质量。尽管微流控技术通过模拟精子自然游动方式以减少这些不利影响,但现有方法尚未经过临床级别的全面验证。受自然环境下输卵管中精子选择机制以及精子对温度梯度的内在响应特性的启发,我们设计并制造了一种微流控装置,该装置在精子分选通道内形成可控的温度梯度。我们系统地研究了人类精子在不同温度条件下的响应,并全面评估了45份人类精子样本通过趋温性选择的效果。研究结果表明,在35~36.5 ℃的温度范围内,与非趋温性选择相比,通过趋温性选择的精子展现出更高的活率((85.25±6.28)% vs.(60.72±1.37)%;<i>P</i>=0.0484),更高的正常形态率((16.42±1.43)% vs.(12.55±0.88)%;<i>P</i><0.0001),以及更低的DNA碎片率((7.44±0.79)% vs.(10.36±0.72)%;<i>P</i>=0.0485)。此外,精子趋温性表现出物种特异性,小鼠精子在36~37.5 ℃的温度范围内活力最高。体外受精实验进一步证实,利用趋温性选择的精子显著提高了受精率,并改善了从受精卵到囊胚的胚胎发育过程。本研究提出并验证了一种基于微流控技术的趋温性精子选择方法。该方法不仅能够有效选择高活力和功能完好的精子,而且能够降低传统处理方法可能带来的不利影响。这一创新方法有望在未来转化为临床实践,特别是在少精子症和弱精子症患者的体外受精治疗中,以提高受精率和胚胎发育的成功率。</p>\",\"PeriodicalId\":48627,\"journal\":{\"name\":\"Bio-Design and Manufacturing\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":8.1000,\"publicationDate\":\"2024-07-20\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Bio-Design and Manufacturing\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://doi.org/10.1007/s42242-024-00306-1\",\"RegionNum\":1,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"ENGINEERING, BIOMEDICAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Bio-Design and Manufacturing","FirstCategoryId":"5","ListUrlMain":"https://doi.org/10.1007/s42242-024-00306-1","RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENGINEERING, BIOMEDICAL","Score":null,"Total":0}
期刊介绍:
Bio-Design and Manufacturing reports new research, new technology and new applications in the field of biomanufacturing, especially 3D bioprinting. Topics of Bio-Design and Manufacturing cover tissue engineering, regenerative medicine, mechanical devices from the perspectives of materials, biology, medicine and mechanical engineering, with a focus on manufacturing science and technology to fulfil the requirement of bio-design.