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Related Concept Videos

Experimental RNAi02:15

Experimental RNAi

RNA interference (RNAi) is a cellular mechanism that inhibits gene expression by suppressing its transcription or activating the RNA degradation process. The mechanism was discovered by Andrew Fire and Craig Mello in 1998 in plants. Today, it is observed in almost all eukaryotes, including protozoa, flies, nematodes, insects, parasites, and mammals. This precise cellular mechanism of gene silencing has been developed into a technique that provides an efficient way to identify and determine the...
siRNA - Small Interfering RNAs02:30

siRNA - Small Interfering RNAs

Small interfering RNAs, or siRNAs, are short regulatory RNA molecules that can silence genes post-transcriptionally, as well as the transcriptional levelĀ in some cases. siRNAs are important for protecting cells against viral infections and silencing transposable genetic elements.
In the cytoplasm, siRNA is processed from a double-stranded RNA, which comes from either endogenous DNA transcription or exogenous sources like a virus. This double-stranded RNA is then cleaved by the ATP-dependent...
RNA Interference01:23

RNA Interference

RNA interference (RNAi) is a process in which a small non-coding RNA molecule blocks the post-transcriptional expression of a gene by binding to its messenger RNA (mRNA) and preventing the protein from being translated.
This process occurs naturally in cells, often through the activity of genomically-encoded microRNAs. Researchers can take advantage of this mechanism by introducing synthetic RNAs to deactivate specific genes for research or therapeutic purposes. For example, RNAi could be used...
RNA Interference01:23

RNA Interference

RNA interference (RNAi) is a process in which a small non-coding RNA molecule blocks the post-transcriptional expression of a gene by binding to its messenger RNA (mRNA) and preventing the protein from being translated.
This process occurs naturally in cells, often through the activity of genomically-encoded microRNAs. Researchers can take advantage of this mechanism by introducing synthetic RNAs to deactivate specific genes for research or therapeutic purposes. For example, RNAi could be used...
Types of RNA01:23

Types of RNA

Overview
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 the regulation of 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...
Types of RNA01:20

Types of RNA

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...

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Using In Vitro and In-cell SHAPE to Investigate Small Molecule Induced Pre-mRNA Structural Changes
11:58

Using In Vitro and In-cell SHAPE to Investigate Small Molecule Induced Pre-mRNA Structural Changes

Published on: January 30, 2019

Recent advances in developing small molecules targeting RNA.

Lirui Guan1, Matthew D Disney

  • 1Department of Chemistry, The Kellogg School of Science and Technology, The Scripps Research Institute, Scripps Florida, Jupiter, 33458, United States.

ACS Chemical Biology
|December 22, 2011
PubMed
Summary
This summary is machine-generated.

Small molecules are underutilized for targeting RNA, hindering drug development. This review highlights advances in designing small molecules that bind RNA to modulate its function, addressing a critical knowledge gap.

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Area of Science:

  • Medicinal Chemistry
  • Molecular Biology
  • Chemical Biology

Background:

  • Ribonucleic acid (RNA) represents an under-explored class of molecular targets for therapeutic small molecules and functional chemical probes.
  • A significant barrier to RNA-targeted drug discovery is the limited understanding of specific small molecule-RNA interactions and the RNA structural motifs involved.
  • Existing knowledge gaps hinder the development of novel therapeutics and research tools focused on RNA modulation.

Purpose of the Study:

  • To review recent advancements in the design and development of small molecules engineered to bind RNA.
  • To explore how these small molecules can be utilized to modulate RNA function.
  • To address the need for a deeper understanding of small molecule-RNA interactions in chemical biology and drug discovery.

Main Methods:

  • Literature review of recent scientific publications.
  • Analysis of studies focusing on small molecule design strategies for RNA targets.
  • Synthesis of information on RNA motifs recognized by small molecules.
  • Examination of functional outcomes resulting from small molecule-RNA binding.

Main Results:

  • Emerging strategies demonstrate success in developing small molecules with specific RNA-binding capabilities.
  • Identification of key RNA structural motifs amenable to small molecule recognition and modulation.
  • Demonstration of small molecules effectively altering RNA function through targeted binding.
  • Progress in understanding the principles governing selective small molecule-RNA interactions.

Conclusions:

  • Significant progress has been made in developing small molecules that specifically target and modulate RNA function.
  • Further research into small molecule-RNA interactions will unlock new therapeutic avenues and chemical probes.
  • This review consolidates current knowledge, providing a foundation for future endeavors in RNA-targeted drug discovery.