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The gene expression in cells is regulated at different stages: (i) transcription, (ii) RNA processing, (iii) RNA localization, and (iv) translation. Transcriptional regulation is mediated by regulatory proteins such as transcription factors, activators, or repressors—these control gene expression by initiating or inhibiting the transcription of genes. Once a precursor or pre-mRNA is produced, it undergoes post-transcriptional modification, including 5' capping, splicing, and the...
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Oligonucleotides for upregulating gene expression.

Olga Khorkova1, Jane Hsiao, Claes Wahlestedt

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This summary is machine-generated.

Oligonucleotide therapeutics enable gene upregulation for previously undruggable targets. Patents reveal diverse mechanisms, including antisense transcript inhibition and regulatory RNA interactions, guiding drug design.

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Area of Science:

  • Biotechnology
  • Molecular Biology
  • Drug Discovery

Background:

  • Oligonucleotides represent a significant advancement in therapeutic intervention.
  • They offer novel strategies for targeting previously 'undruggable' molecular targets.
  • Gene upregulation, historically challenging with small molecules, is now achievable via oligonucleotides.

Purpose of the Study:

  • To review patents related to oligonucleotide-mediated gene upregulation.
  • To elucidate the various mechanisms employed by these oligonucleotide-based therapies.
  • To emphasize the importance of understanding these mechanisms for effective drug development.

Main Methods:

  • Patent landscape analysis of oligonucleotide therapeutics.
  • Review of scientific literature detailing gene upregulation mechanisms.
  • Categorization of identified oligonucleotide-mediated gene upregulation pathways.

Main Results:

  • Identification of key patents in oligonucleotide-based gene upregulation.
  • Detailed description of mechanisms: antisense transcript inhibition, noncoding RNA interaction, 3' UTR site blocking, splice site modulation, and Polycomb Repressive Complex 2 interaction.
  • Demonstration of diverse strategies for achieving specific gene upregulation.

Conclusions:

  • Oligonucleotide technology has unlocked new therapeutic avenues, particularly in gene upregulation.
  • Understanding the specific mechanism of action is critical for optimizing oligonucleotide drug design and efficacy.
  • The patent landscape reflects significant innovation in this rapidly evolving field.