5' 未翻译的区域为可调整的外源蛋白表达提供了一个多功能工具包
Camila Garcia1, Dylan Poch1, Aden M Alemayhu1
1Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, Connecticut, USA.
Molecular biology of the cell
|February 11, 2026
概括
研究人员开发了十个人类的5′未翻译区域 (5′UTRs),以精确控制短暂转染期间的蛋白质表达水平. 这种方法通过减轻过度表达工件和改善各种应用的蛋白质产量来增强功能分析.
科学领域:
- 分子生物学分子生物学
- 细胞生物学 细胞生物学
- 生物化学 生物化学
背景情况:
- 过渡性转变对于蛋白质表达至关重要,但由于不受控制的过度表达,往往会导致人工物.
- 稳定的细胞系是另一种选择,但对于多个结构来说是不切实际的.
- 目前用于控制蛋白质丰度的方法提供粗和不一致的监管.
研究的目的:
- 建立一个由人类5'未翻译区域 (5'UTRs) 组成的小组,作为一种模块化策略,用于在短暂转染过程中微调蛋白质表达.
- 评估不同蛋白质表达控制的动态范围和可重现性.
- 证明5'UTRs在缓解过度表达文物和增强功能分析中的实用性.
主要方法:
- 一组由十个人类5 UTRs组成的小组被生成并测试.
- 对可溶性和膜蛋白的表达水平进行调节,包括YYFP,TRPA1,TRPV1和TRPM8.
- 进行了功能性测试,以评估5′UTR介导的表达控制对蛋白质分析的影响.
主要成果:
- 5'UTRs提供了各种蛋白质中蛋白质表达的可重现的动态范围.
- 一个特定的5'UTR始终抑制表达,缓解功能测定中的文物,如近距离生物化和应力颗粒标记特异性.
- 其他5'UTR增强了感官受体的表达 (TRPV1,TRPM8),改善了蛋白质产量.
结论:
- 人类5'UTRs作为一种多功能和广泛适用的工具,用于精确控制短暂转染中的蛋白质丰度.
- 这一策略使得蛋白质表达能够在生理上更相关,并且对测试进行了优化,从而提高了功能研究的准确性.
- 开发的5'UTR面板为需要精细控制蛋白质表达水平的研究人员提供了一个紧的解决方案.
相关概念视频
02:40The Eukaryotic Promoter Region
19.0K
The eukaryotic promoter region is a segment of DNA located upstream of a gene. It contains an RNA polymerase binding site, a transcription start site, and several cis-regulatory sequences. The proximal promoter region is located in the vicinity of the gene and has cis-regulatory sequences and the core promoter. The core promoter is the binding site for RNA polymerase and is usually located between -35 and +35 nucleotides from the transcription start site. The distal promoter regions are...
19.0K
01:045-Number Summary
5.7K
In a dataset, the 5-number summary includes the minimum data value, the data value of the first quartile, the median data value or data value of the second quartile, the data value of the third quartile, and the maximum data value. These 5 data values can be visualized as a box and whisker plot.
In a box plot, the minimum and maximum data values represent the lower and upper whiskers in the graph, and the median is designated as the center of the box in the chart. The first quartile and third...
In a box plot, the minimum and maximum data values represent the lower and upper whiskers in the graph, and the median is designated as the center of the box in the chart. The first quartile and third...
5.7K
01:03IR Frequency Region: Fingerprint Region
2.0K
IR spectra are divided into two main regions: the diagnostic region and the fingerprint region. The diagnostic region of the spectrum lies above 1500 cm−1. The absorptions resulting from single-bond vibrations of the N–H, C–H, and O–H stretch at higher wavenumbers and appear on the left side of the spectrum. The stretching absorptions of the C≡C and C≡N occur between 2100–2300 cm−1. In contrast, those arising from stretching absorptions of the...
2.0K
01:26Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic
5.8K
Healthcare-associated infections (HAIs) occur in a healthcare facility while a person receives care for another ailment. This category also includes work-related infections among healthcare staff.
HAIs significantly increase the cost of health care. Extended stays in healthcare institutions, increased disability, increased costs of medications, including specialized antibiotics, and prolonged recovery times add to the patient's expenses and the healthcare institution and funding bodies.
HAIs significantly increase the cost of health care. Extended stays in healthcare institutions, increased disability, increased costs of medications, including specialized antibiotics, and prolonged recovery times add to the patient's expenses and the healthcare institution and funding bodies.
5.8K
01:42What is Gene Expression?
197.1K
Overview
Gene expression is the process in which DNA directs the synthesis of functional products, that is, proteins. Cells can regulate gene expression at various stages. It allows organisms to generate different cell types and enables cells to adapt to internal and external factors.
Genetic Information Flows from DNA to RNA to Protein
A gene is a stretch of DNA that serves as the blueprint for functional RNAs and proteins. Since DNA is made up of nucleotides and proteins consist of amino...
Gene expression is the process in which DNA directs the synthesis of functional products, that is, proteins. Cells can regulate gene expression at various stages. It allows organisms to generate different cell types and enables cells to adapt to internal and external factors.
Genetic Information Flows from DNA to RNA to Protein
A gene is a stretch of DNA that serves as the blueprint for functional RNAs and proteins. Since DNA is made up of nucleotides and proteins consist of amino...
197.1K
01:17Region of Convergence
965
The z-transform is a powerful mathematical tool used in the analysis of discrete-time signals and systems. It is a crucial tool in the analysis of discrete-time systems, but its convergence is limited to specific values of the complex variable z. This range of values, known as the Region of Convergence (ROC), is fundamental in determining the behavior and stability of a system or signal. The ROC defines the region in the complex plane where the z-transform converges, which can take various...
965