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Related Concept Videos

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Lymphocyte Isolation from Human Skin for Phenotypic Analysis and Ex Vivo Cell Culture
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[Pathogenesis of psoriasis].

K Schäkel1, M P Schön2, K Ghoreschi3

  • 1Hautklinik, Universitätsklinikum Heidelberg, Im Neuenheimer Feld 440, 69120, Heidelberg, Deutschland.

Der Hautarzt; Zeitschrift Fur Dermatologie, Venerologie, Und Verwandte Gebiete
|June 2, 2016
PubMed
Summary
This summary is machine-generated.

Psoriasis is an inflammatory autoimmune disease involving T cells. Recent research clarifies its pathogenesis, leading to new small molecule and immunobiologic therapies for managing psoriatic inflammation.

Keywords:
Autoimmune diseasesIL‑23InflammationSkinTh17

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Area of Science:

  • Immunology
  • Dermatology
  • Autoimmune Diseases

Background:

  • Psoriasis is a common T cell-mediated autoimmune skin and joint disease affecting 2-4% of adults.
  • Pathogenesis involves genetic susceptibility, environmental triggers, and innate immune responses, leading to adaptive autoreactive T cells.
  • Key players include CD8(+) T cells in the epidermis and CD4(+) T cells in the dermis, primarily producing interleukin-17 (IL-17).

Purpose of the Study:

  • To review current understanding of psoriasis pathogenesis.
  • To discuss the role of cellular and molecular mechanisms, including cytokines like TNF-α and IL-23.
  • To contextualize these findings with modern therapeutic advancements.

Main Methods:

  • Review of scientific literature over the past 15 years.
  • Analysis of cellular and molecular mechanisms in psoriasis.
  • Integration of pathogenetic insights with clinical treatment strategies.

Main Results:

  • Elucidation of T cell-mediated pathways in psoriasis.
  • Identification of key cytokines (TNF-α, IL-23) driving inflammation.
  • Translation of research findings into clinical practice.

Conclusions:

  • Modern therapies, including small molecules and immunobiologics, are available based on advanced pathogenetic knowledge.
  • Understanding psoriasis pathogenesis is crucial for developing and applying effective treatments.
  • Continued research into cellular and molecular mechanisms promises further therapeutic innovation.