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Related Experiment Videos

Antisense oligonucleotide treatments for psoriasis.

P J White1, L M Atley, C J Wraight

  • 1Department of Pharmaceutical Biology and Pharmacology, Victorian College of Pharmacy, Monash University, Parkville 3052, Australia.

Expert Opinion on Biological Therapy
|December 19, 2003
PubMed
Summary

Antisense oligonucleotides show promise for treating psoriasis by targeting key proteins. Topical application is feasible in psoriatic skin due to its impaired barrier function, enabling drug delivery and target suppression.

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Area of Science:

  • Dermatology
  • Molecular Biology
  • Pharmacology

Background:

  • Psoriasis involves inflammation, proliferation, and hyperangiogenesis.
  • Proteins like ICAM-1, IL-2, IL-8, IGF-IR, EGF, and VEGF are upregulated in psoriatic skin.
  • Antisense oligonucleotides offer a targeted therapeutic strategy.

Purpose of the Study:

  • To evaluate antisense oligonucleotides as a topical treatment for psoriasis.
  • To investigate the delivery and efficacy of antisense drugs in psoriatic skin models.

Main Methods:

  • Utilized models of human skin grafted to mice and hairless mouse models.
  • Administered antisense oligonucleotides topically and via intradermal injections.
  • Assessed target mRNA and protein suppression and effects on epidermal hyperproliferation.

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Main Results:

  • Demonstrated antisense-mediated suppression of target mRNA and protein in skin models.
  • Showed successful delivery of topical antisense molecules to target cells.
  • Observed normalization of epidermal hyperproliferation with IGF-IR antisense treatment in a psoriasis xenograft model.

Conclusions:

  • Antisense oligonucleotides can be effectively delivered to psoriatic skin.
  • This therapeutic approach holds significant potential for treating psoriasis.
  • Further clinical development is warranted for antisense-based psoriasis therapies.