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Updated: Nov 10, 2025

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Psoriasis: Pathogenesis, Comorbidities, and Therapy Updated.

Naoko Kanda1

  • 1Department of Dermatology, Nippon Medical School Chiba Hokusoh Hospital, Inzai, Chiba 2701694, Japan.

International Journal of Molecular Sciences
|April 3, 2021
PubMed
Summary
This summary is machine-generated.

Psoriasis involves immune dysfunction, keratinocyte issues, and comorbidities. New research explores novel therapeutic targets and treatments for this chronic inflammatory skin disease.

Keywords:
UBA domain containing 1antimicrobial peptidecollagen diseasefibroblastgut dysbiosisindoleamine 2,3-dioxygenase 2innate immune cellmetabolic diseasenutrientoxidative stresspruritustreatment

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Area of Science:

  • Immunology
  • Dermatology
  • Genetics

Background:

  • Psoriasis is a chronic inflammatory skin disease linked to abnormal immunity, keratinocyte issues, and comorbidities like arthritis.
  • Pathogenesis involves indoleamine 2,3-dioxygenase 2 dysfunction, UBA domain containing 1 regulation, and oxidative stress in blood cells.

Discussion:

  • Biomarkers like elafin, clusterin, and selenoprotein P are identified for psoriasis and metabolic diseases.
  • Proteomic analysis reveals fibroblast dysfunction, altered signaling, and gut microbiome involvement (Staphylococcus aureus, Streptococcus danieliae).
  • Psoriasis-associated pruritus has complex immune, nervous, and vascular origins.

Key Insights:

  • Novel therapies include retinoic-acid-receptor-related orphan nuclear receptor γt inhibitors, IL-36 receptor antagonists, and aryl hydrocarbon receptor agonists.
  • Antimicrobial peptides and innate immune cells represent potential therapeutic targets.
  • Shared and distinct pathomechanisms exist between psoriasis and collagen diseases.

Outlook:

  • Nutrient-based interventions may regulate psoriasis progression.
  • Further research into novel therapeutic targets and approaches is encouraged.