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Role of the STAT3 Signaling Pathway in Cell Proliferation and Inflammation in Psoriasis and Approaches for Targeted

Limin Li1, Lu Chen1, Cai Zhang2

  • 1School of Public Health, North China University of Science and Technology, Tangshan, Hebei, China.

Medical Science Monitor : International Medical Journal of Experimental and Clinical Research
|April 22, 2026
PubMed

Insights

Signal transducer and activator of transcription 3 (STAT3) plays a key role in psoriasis inflammation and skin cell issues. Targeting STAT3 with new therapies like inhibitors and biologics shows promise for treating this chronic skin disease.

Area of Science:

  • Dermatology
  • Immunology
  • Molecular Biology

Background:

  • Psoriasis is a chronic inflammatory skin condition with complex molecular pathways.
  • Signal transducer and activator of transcription 3 (STAT3) is a critical transcription factor in regulating inflammation and cell behavior.

Purpose of the Study:

  • To systematically review STAT3's biological functions and mechanisms in psoriasis pathogenesis.
  • To evaluate STAT3-targeted therapeutic strategies for psoriasis treatment.

Main Methods:

  • Literature review synthesizing experimental and clinical studies on STAT3 in psoriasis.
  • Analysis of STAT3's role in inflammatory signaling and keratinocyte proliferation.
  • Evaluation of small-molecule inhibitors, biologics, and nucleic acid-based therapies targeting STAT3.

Main Results:

  • STAT3 is pivotal in driving psoriasis inflammation and aberrant keratinocyte proliferation.
  • STAT3 regulates key inflammatory mediators and immune responses in lesional skin.
  • Various STAT3-targeted therapies demonstrate potential efficacy and safety.

Conclusions:

  • STAT3 is a crucial therapeutic target for psoriasis.
  • Further research into STAT3 mechanisms can lead to personalized psoriasis treatments.
  • STAT3-based therapies offer a promising avenue for managing psoriasis effectively.

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