1.中山大学附属第一医院泌尿外科 // 广东省泌尿系统疾病临床医学研究中心,广东 广州 510080
2.中山大学中山医学院,广东 广州 510080
3.暨南大学附属第一医院泌尿外科,广东 广州 510632
4.上海交通大学医学院附属仁济医院泌尿男科//上海男科研究所,上海 200001
何泓乐,第一作者,研究方向:泌尿外科与男科,E-mail: hehle@mail2.sysu.edu.cn
收稿:2025-04-10,
修回:2025-08-09,
录用:2025-08-25,
纸质出版:2025-09-20
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何泓乐,孙睿,管锦鸿等.雄性小鼠衰老过程中睾丸和附睾长链非编码RNA的动态变化[J].中山大学学报(医学科学版),2025,46(05):806-815.
HE Hongle,SUN Rui,GUAN Jinhong,et al.Dynamics Changes of Long Non-Coding RNA in the Testis and Epididymis During Male Mouse Aging[J].Journal of Sun Yat-sen University(Medical Sciences),2025,46(05):806-815.
何泓乐,孙睿,管锦鸿等.雄性小鼠衰老过程中睾丸和附睾长链非编码RNA的动态变化[J].中山大学学报(医学科学版),2025,46(05):806-815. DOI: 10.13471/j.cnki.j.sun.yat-sen.univ(med.sci).2025.0510.
HE Hongle,SUN Rui,GUAN Jinhong,et al.Dynamics Changes of Long Non-Coding RNA in the Testis and Epididymis During Male Mouse Aging[J].Journal of Sun Yat-sen University(Medical Sciences),2025,46(05):806-815. DOI: 10.13471/j.cnki.j.sun.yat-sen.univ(med.sci).2025.0510.
目的
2
探讨长链非编码RNA(lncRNA)在雄性生殖系统衰老中的动态表达特征及其潜在调控机制。
方法
2
利用自然衰老的C57BL/6小鼠模型,选取3月龄、15月龄和21月龄各4只小鼠,分离雄性生殖道的7个区域(睾丸、输出小管、附睾起始段、附睾头、附睾体、附睾尾和输精管)并分别提取RNA,进行RNA测序及生信分析。
结果
2
构建了雄性小鼠睾丸、附睾(输出小管、附睾起始段、附睾头、附睾体、附睾尾)及输精管的区域特异性lncRNA动态表达谱,并结合基因功能富集分析,解析lncRNA在生殖系统衰老中的功能关联。睾丸衰老中变化的lncRNA主要参与激素生物合成和细胞外基质组装,而附睾起始段的lncRNA与细胞识别、上皮细胞迁移等过程密切相关。建立了雄性生殖系统衰老相关的lncRNA动态表达图谱。
结论
2
lncRNA可能通过调控生殖微环境参与雄性生殖衰老的潜在新机制,这为研究年龄相关性生育力下降提供了关键分子靶标和研究基础。
Objective
2
To investigate the dynamic expression profiles and potential regulatory mechanisms of long non-coding RNAs (lncRNAs) in male reproductive system aging.
Methods
2
A naturally aging C57BL/6 mouse model was used and 4 mice were selected each at 3, 15, and 21 months of age. RNA was extracted from seven regions of the male reproductive tract (testis, efferent duct, initial segment of epididymis, caput epididymis, corpus epididymis, cauda epididymis, and vas deferens), followed by RNA sequencing and bioinformatics analysis.
Results
2
Region-specific dynamic expression profiles of lncRNAs were constructed in the testis, epididymis (efferent duct, initial segment, caput, corpus, and cauda), and vas deferens of male mice. Combined with gene functional enrichment analysis, the functional associations of lncRNAs were elucidated in reproductive system aging. The differentially expressed lncRNAs in the aging testis were primarily involved in hormone biosynthesis and extracellular matrix organization, while those in the initial segment of the epididymis were closely related to cell recognition and epithelial cell migration. A comprehensive lncRNA expression atlas associated with male reproductive aging was established.
Conclusion
2
LncRNAs may participate in male reproductive aging through the regulation of the reproductive microenvironment, which provides key molecular targets and a research foundation for understanding age-related fertility decline.
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