在单细胞分化过程中,tRNA衍生短非编码RNA的概况以及它们在巨细胞生存中的作用
Anahita Jayaram1, Sanjeev Galande1, Soroush Sharbati2
1Centre of Excellence in Epigenetics (CoEE), Department of Life Sciences, School of Natural Science, Shiv Nadar Institution of Eminence Deemed to be University, Delhi NCR, Greater Noida, India.
RNA biology
|June 27, 2025
概括
在单细胞到巨细胞分化过程中,tRNAHisGUG (5'-HisGUG) 的5'片段受到调节. 这片碎片减少了巨细胞在压力下生存,这表明其减少对免疫细胞生存至关重要.
科学领域:
- 免疫学 免疫学 免疫学
- 分子生物学分子生物学
- 在RNA生物学,RNA生物学.
背景情况:
- 单细胞是免疫反应至关重要的白细胞,在感染部位分化为巨细胞.
- 巨细胞分化对于生存和亡耐药性至关重要,涉及严格调节的过程.
- 以前的研究表明,tRNAHisGUG (5-HisGUG) 的5片段与巨细胞生物学有关.
研究的目的:
- 为了研究5 -HisGUG在单细胞到巨细胞分化过程中的调节.
- 确定5-HisGUG在缩性压力下巨细胞存活中的作用.
主要方法:
- 小RNA测序是在使用THP-1细胞的单细胞对巨细胞分化过程中进行的.
- 在巨细胞中进行了5-HisGUG的传染,以评估其对生存的影响.
主要成果:
- 5 -HisGUG在分化过程中被确定为一个明显调节的tRNA衍生小RNA (tDR).
- 5 -HisGUG的转移到巨细胞中,降低了它们在亡应激下的存活率.
结论:
- 在单细胞到巨细胞分化过程中,5 -HisGUG片段的调节很重要.
- 5 -HisGUG可能作为阻断性RNA (oRNA) 起作用,其减少对于巨细胞在压力期间的生存至关重要.
相关概念视频
01:15Differentiation of Common Myeloid Progenitor Cells
3.3K
Common myeloid progenitors (CMPs) are oligopotent cells that can differentiate into granulocytes and macrophages. Granulocytes and macrophages are essential for protecting the body against bacterial, viral, or fungal infections. They migrate from the bone marrow into the circulating blood to reach specific tissue sites where they differentiate and help in immune surveillance. However, they survive only for a few days and must be continuously made available to the organism to maintain a robust...
3.3K
02:39lncRNA - Long Non-coding RNAs
9.0K
In humans, more than 80% of the genome gets transcribed. However, only around 2% of the genome codes for proteins. The remaining part produces non-coding RNAs which includes ribosomal RNAs, transfer RNAs, telomerase RNAs, and regulatory RNAs, among other types. A large number of regulatory non-coding RNAs have been classified into two groups depending upon their length – small non-coding RNAs, such as microRNA, which are less than 200 nucleotides in length, and long non-coding RNA...
9.0K