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计算分析表明,来自AsnGTT 3'-tRNA的碎片是乳腺甲状腺癌的潜在生物标志物

Annie N Do^1,2, Shruti Magesh^1,2, Matthew Uzelac^1,2,3

¹Research Service, VA San Diego Healthcare System, San Diego, CA 92161, USA.

International journal of molecular sciences

|October 16, 2024

概括

转移RNA衍生碎片 (tRFs) 与癌症有关. 这项研究发现特定的tRFs,包括AsnGTT 3'-tRF,在乳头甲状腺癌 (PTC) 中失调,这表明它们可能是新的生物标志物.

科学领域:

分子生物学分子生物学
基因组学就是基因组学.
在瘤学瘤学.

背景情况:

转移RNA衍生碎片 (tRFs) 是小的非编码RNA,涉及到瘤发生.
乳头甲状腺癌 (PTC) 的发病率正在上升,突出显示了对新型诊断生物标志物的需求.
尽管tRF在基因表达中的调节作用,但tRF作为PTC的生物标志物尚未得到充分研究.

研究的目的:

在PTC组织中识别失调的tRFs,这些tRFs可以作为潜在的生物标记者候选物.
调查tRFs和PTC中的驱动基因之间的调控关系.
探索tRFs作为PTC中转录后调节者的潜力.

主要方法:

使用MINTbase v2.0和癌症基因图谱分析PTC初级瘤 (n=511) 和相邻的正常组织 (n=59) 的tRF和基因表达数据.
识别失调的tRF和具有抗相关表达模式的驱动基因.
基于RNA22的结合亲和度分析,以预测tRF-mRNA相互作用并验证RNA沉默机制.

主要成果:

四个tRF在PTC组织中显著失调 (p <0.05),其中AsnGTT 3'-tRF显著上调.
AsnGTT 3 '-tRF (tRF-30-RY73W0K5KKOV) 显示了对下调 PTC 相关基因的潜在结合亲缘关系:SLC26A4,SLC5A8,DIO2 和 TPO.
AsnGTT 3'-tRF与这些基因之间的抗相关表达支持转录后调节作用.

结论:

AsnGTT 3'-tRF在PTC中显著失调,并可能起到后转录调节者的作用.
这项研究确定了AsnGTT 3'-tRF作为一个有前途的候选生物标志物用于PTC诊断.
对tRF的进一步研究可能会导致针对乳头甲状腺癌的新型诊断和治疗策略.

关键词:

在PTC中使用PTC.这就是THCA的THCA.生物标志物生物标志物没有编码的RNA.tRFRF是什么意思 tRFRF是什么意思由tRNA衍生的片段.甲状腺癌是一种癌症.甲状腺癌是甲状腺癌.

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