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Related Concept Videos

siRNA - Small Interfering RNAs02:30

siRNA - Small Interfering RNAs

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Small interfering RNAs, or siRNAs, are short regulatory RNA molecules that can silence genes post-transcriptionally, as well as the transcriptional level 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...
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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.
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Nucleic acids are the most important macromolecules for the continuity of life. They carry the cell's genetic blueprint and carry instructions for its functioning.
DNA and RNA
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Site-Targeted Drug Delivery Systems: Polymeric Carriers01:24

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Polymeric carriers enhance targeted drug delivery by increasing efficacy while minimizing off-target effects. These carriers comprise a biodegradable polymeric backbone integrated with functional elements that enable targeting, improve physicochemical properties, and regulate drug release.Targeting MechanismsThe targeting ability of polymeric carriers is mediated by a homing device, which is a molecular recognition component designed to selectively bind to specific tissues or cells. Monoclonal...
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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...
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Targets for Drug Action: Overview01:26

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Drugs target macromolecules to modify ongoing cellular processes. Primary drug targets include receptors, ion channels, transporters, and enzymes.
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Using In Vitro and In-cell SHAPE to Investigate Small Molecule Induced Pre-mRNA Structural Changes
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Using In Vitro and In-cell SHAPE to Investigate Small Molecule Induced Pre-mRNA Structural Changes

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Recent Advances in Developing Small Molecules Targeting Nucleic Acid.

Maolin Wang1,2,3, Yuanyuan Yu4,5,6, Chao Liang7,8,9

  • 1Institute of Integrated Bioinfomedicine and Translational Science (IBTS), School of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China. wangml1240@163.com.

International Journal of Molecular Sciences
|June 2, 2016
PubMed
Summary
This summary is machine-generated.

Small molecule drugs targeting nucleic acids are a new frontier in drug discovery. Advances in nucleic acid crystallization are enabling the design of novel therapeutics for various diseases.

Keywords:
DNA drug discoveryRNA drug discoverynucleic acidsnucleic acids targetingsmall molecules

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Nucleoside Triphosphates - From Synthesis to Biochemical Characterization
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Nucleoside Triphosphates - From Synthesis to Biochemical Characterization
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Area of Science:

  • Biochemistry and Molecular Biology
  • Medicinal Chemistry
  • Drug Discovery

Background:

  • Nucleic acids are crucial in biological processes, but targeting them with small molecules presents challenges.
  • Existing small molecule drug design methods are primarily protein-focused and not directly applicable to nucleic acids.
  • Historically, the difficulty in crystallizing nucleic acids has hindered the development of drugs that target them.

Purpose of the Study:

  • To review the recent advancements in the discovery and development of small molecules designed to target nucleic acids.
  • To highlight the impact of improved nucleic acid crystallization techniques on drug design.
  • To provide an overview of the current landscape and future potential of nucleic acid-targeted therapeutics.

Main Methods:

  • Literature review of recent studies on small molecules targeting nucleic acids.
  • Analysis of advancements in nucleic acid crystallization techniques and their structural data.
  • Synthesis of information regarding drug design strategies for nucleic acid targets.

Main Results:

  • Recent improvements in nucleic acid crystallization have yielded a wealth of structural data.
  • This structural information is foundational for the rational design of small molecules targeting nucleic acids.
  • The development of novel small molecules for nucleic acid-based drug discovery is accelerating.

Conclusions:

  • Targeting nucleic acids with small molecules represents a promising area for therapeutic intervention.
  • Advances in structural biology, particularly crystallization, are key enablers for this field.
  • This review underscores the growing potential of nucleic acid-directed drug discovery.