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南京医科大学学报(自然科学版) 第45卷第12期
·1738 · Journal of Nanjing Medical University(Natural Sciences) 2025年12月
·基础研究·
冠心病相关长链非编码 RNA uc004coz.1 的生物学功能与序列
分析
李 平 ,王 峰 ,李 渊 1,4*
1,3
1,2
南京医科大学姑苏学院,江苏 苏州 215000;南京医科大学附属苏州医院(苏州市立医院)中心实验室,药剂科,心血管内
1 2 3 4
科,江苏 苏州 215000
[摘 要] 目的:初步了解冠心病相关长链非编码RNA(long non⁃coding RNA,lncRNA)uc004coz.1的生物学功能并分析其基因
序列信息。方法:通过对冠心病患者血浆测序结果中下调表达的 lncRNA 进行分析以及临床样本验证发现目标 lncRNA
uc004coz.1。在人脐静脉内皮细胞(human umbilical vein endothelial cell,HUVEC)中使用荧光原位杂交技术对uc004coz.1进行
细胞定位,siRNA 敲减 uc004coz.1 后分析其生物学功能,通过 CCK⁃8、Transwell、EdU 染色、流式细胞术、Western blot 实验分析
uc004coz.1 敲减对细胞增殖和迁移的影响,并通过 cDNA 末端快速扩增(rapid⁃amplification of cDNA end,RACE)实验获得
uc004coz.1的全长序列信息。结果:临床样本验证发现uc004coz.1在冠心病患者中表达下调。uc004coz.1主要定位在HUVEC
细胞核,敲减后细胞的增殖迁移明显减弱,并且细胞周期相关蛋白 Cyclin D1 与 Cyclin E1 表达下调。通过与 Ensembl 数据
库 RNA 序列和基因组进行比对,得到 uc004coz.1 对应的染色体为 Homo sapiens mitochondrion,complete genome(序列编号:
NC_012920.1)。检索数据库发现 uc004coz.1 在此染色体中的位置为 15 998~16 569。5′⁃RACE 测序结果显示 5′末端位置为
16 033,3′⁃RACE 测序结果显示3′⁃RACE 末端位置为16 417。结论:了解冠心病患者血浆中下调的lncRNA uc004coz.1的生物
学功能并分析其基因序列,能够为冠心病的机制研究提供一个靶点,也能够为uc004coz.1的深入研究提供理论基础。
[关键词] 冠心病;长链非编码RNA;uc004coz.1;细胞增殖;细胞迁移;RACE实验
[中图分类号] R541.4 [文献标志码] A [文章编号] 1007⁃4368(2025)12⁃1738⁃09
doi:10.7655/NYDXBNSN240801
Biological function and sequence analysis of lncRNA uc004coz.1 associated with coronary
artery disease
1,3
1,2
LI Ping ,WANG Feng ,LI Yuan 1,4*
Gusu School,Nanjing Medical University,Suzhou 215000;Department of Central Laboratory,Department of
1 2 3
Pharmacy,Department of Cardiovascular Medicine,the Affiliated Suzhou Hospital of Nanjing Medical University
4
(Suzhou Municipal Hospital),Suzhou 215000,China
[Abstract] Objective:To analyze the biological functions and gene sequence information of long non ⁃ coding RNA(lncRNA)
uc004coz.1 associated with coronary artery disease(CAD). Methods:LncRNAs were analyzed in plasma sequencing results of CAD
patients. The target lncRNA uc004coz.1 was identified by clinical sample verification. Fluorescence in situ hybridization(FISH)
method was used to locate uc004coz.1 in human umbilical vein endothelial cell(HUVEC),and its biological function was analyzed
after knockdown with si⁃uc004coz.1. The effect on cell proliferation and migration was analyzed by CCK⁃ 8,Transwell,EdU,flow
cytometry,and Western blot. The full length sequence information of uc004coz.1 was obtained by rapid⁃amplication of cDNA ends
(RACE)technique. Results:uc004coz.1 was down⁃regulated in CAD patients,and uc004coz.1 is mainly located in the nucleus. Cell
proliferation and migration were significantly weakened after uc004coz.1 knockdown,and cell cycle⁃related proteins Cyclin D1 and
Cyclin E1 were down⁃regulated. By comparing the RNA sequence and genome in the Ensembl database,we obtained that uc004coz.1
corresponding chromosome is Homo sapiens mitochondrion,complete genome(sequence ID:NC_01292⁃1). The location of uc004coz.1
in the database is 15 998-16 569. The 5′⁃RACE sequencing results showed that the 5′ terminal position was 16 033. The 3′⁃RACE
[基金项目] 国家重点研发计划(2021YFC2500600,2021YFC2500602);苏州市“科教兴卫”青年科技项目(KJXW2021039);苏
州市科技发展计划(医疗卫生科技创新⁃医学创新应用研究)(SKYD2022129,SYKD2022130,SKYXD2022088)
通信作者(Corresponding author),E⁃mail:liyuan1596215@163.com(ORCID:0000⁃0003⁃2692⁃786X)
∗

