探索:癌症中长非编码RNA的历史,现在和未来
Qais Ahmad Naseer1, Abdul Malik1, Fengyuan Zhang1
1Department of Laboratory Medicine, School of Medicine, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, China.
Discover oncology
|June 7, 2024
概括
长非编码RNAs (lncRNAs) 调节基因表达,并与癌症发展有关. 需要进一步的研究才能充分了解它们的机制和治疗潜力.
科学领域:
- 分子生物学分子生物学
- 基因组学就是基因组学.
- 癌症研究 癌症研究
背景情况:
- 长非编码RNAs (lncRNAs) 是转录和转录后层次的基因表达的关键调节者.
- lncRNAs表现出组织特异性和发育阶段特异性表达,将它们与各种过程和疾病联系起来,特别是癌症.
- 尽管它们具有作为生物标记物的潜力,但lncRNAs的功能机制尚未完全理解,哺乳动物功能非编码转录的程度仍在争论中.
研究的目的:
- 综合目前关于lncRNA生物发生,基因组背景和瘤发生中的作用的知识.
- 突出 lncRNAs 在癌症向治疗中的潜力.
- 讨论历史视角和最近在lncRNA研究中的突破.
主要方法:
- 文献综述和对 lncRNAs.现有研究的综合.
- 对lncRNA生物发生和基因组组织的分析.
- 在癌症发育和潜在的治疗应用中探索 lncRNA 功能.
主要成果:
- lncRNAs在基因调节中发挥着多方面的作用,并参与了许多生物过程和疾病,包括癌症.
- 具体的 lncRNA 已被深入研究,揭示了新兴的功能主题和机制模型.
- 该审查巩固了对lncRNA在瘤发生中的作用及其治疗潜力的理解.
结论:
- lncRNAs是基因表达的关键调节者,对癌症有重大影响.
- 了解 lncRNA 机制对于推进癌症诊断,预后和治疗至关重要.
- 对lncRNA功能和生物发生的进一步调查将增强我们对基因组进化和临床应用的理解.
相关概念视频
lncRNA - Long Non-coding RNAs
8.6K
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...
8.6K
Types of RNA
5.7K
Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in regulating gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
RNA Performs Diverse...
RNA Performs Diverse...
5.7K
Non-LTR Retrotransposons
11.5K
As the name suggests, non-LTR retrotransposons lack the long terminal repeats characteristic of the LTR retrotransposons. Additionally, both LTR and non-LTR retrotransposons use distinct mechanisms of mobilization. Non-LTR retrotransposons are further divided into two classes - Long interspersed nuclear elements (LINEs) and short interspersed nuclear elements (SINEs), both of which occur abundantly in most mammals, including humans. Some of the active non-LTR retrotransposons in humans are L1...
11.5K
Targeted Cancer Therapies
7.5K
The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against...
There are several types of targeted therapies against...
7.5K
MicroRNAs
3.0K
MicroRNA (miRNA) are short, regulatory RNA transcribed from introns (non-coding regions of a gene) or intergenic regions (stretches of DNA present between genes). Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself, forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA...
3.0K
The Nucleolus
8.8K
The nucleolus is the most prominent substructure of the nucleus. When it was first discovered, it was considered to be an isolated organelle that forms fibrils and granules. In 1931, the relationship between the nucleolus and chromosomes was first described by Heitz. He observed that the appearance and size of nucleolus varies depending on the stage of the cell cycle. He also noticed constricted regions on different chromosomes clustered together at definite cell cycle stages. These regions,...
8.8K


