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Related Experiment Videos

Vitiligo Skin: Exploring the Dermal Compartment.

Daniela Kovacs1, Emanuela Bastonini1, Monica Ottaviani1

  • 1Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatologic Institute, IRCCS, Rome, Italy.

The Journal of Investigative Dermatology
|October 13, 2017
PubMed
Summary
This summary is machine-generated.

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Vitiligo affects not only pigmented skin but also apparently normal skin. Dermal fibroblasts in vitiligo patients show premature aging and a myofibroblast phenotype, impacting melanocyte function.

Area of Science:

  • Dermatology
  • Cell Biology
  • Vitiligo Research

Background:

  • Vitiligo is characterized by depigmentation, but alterations in seemingly normal skin are increasingly recognized.
  • Previous studies identified issues in melanocytes, including E-cadherin changes and redox imbalance, leading to senescence.
  • These cellular changes might extend beyond melanocytes to other skin cells.

Purpose of the Study:

  • To investigate if dermal fibroblasts in vitiligo patients exhibit similar alterations.
  • To determine if these fibroblast changes contribute to melanocyte dysfunction in non-lesional skin.

Main Methods:

  • Analysis of dermal fibroblasts from vitiligo patients.
  • Assessment of fibroblast phenotype, including myofibroblast markers.

Related Experiment Videos

  • Evaluation of fibroblast senescence and cross-talk with epidermal components.

    • Main Results:

    • Dermal fibroblasts in vitiligo patients displayed a myofibroblast phenotype.
    • These fibroblasts showed a predisposition to premature senescence.
    • Evidence suggests altered dermal-epidermal cross-talk impacting melanocytes.

    Conclusions:

    • Dermal fibroblasts in vitiligo patients undergo significant changes, including premature aging.
    • These fibroblast alterations may disrupt the skin microenvironment.
    • Altered fibroblast function contributes to melanocyte dysfunction even in unaffected skin areas of vitiligo patients.