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Related Experiment Videos

Percutaneous absorption in experimental epidermal proliferation.

A E Solomon, N J Lowe

    Archives of Dermatology
    |July 1, 1978
    PubMed
    Summary
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    Essential fatty acid deficiency (EFAD) causes skin barrier defects, leading to increased hydrocortisone absorption in mouse models. This highlights impaired skin barrier function in hyperproliferative skin conditions.

    Area of Science:

    • Dermatology
    • Biochemistry
    • Pharmacology

    Background:

    • Essential fatty acid deficiency (EFAD) is linked to epidermal changes like acanthosis and hyperkeratosis.
    • These alterations suggest a compromised skin barrier function.

    Purpose of the Study:

    • To investigate the effect of EFAD on the percutaneous absorption of hydrocortisone.
    • To assess skin barrier function in EFAD using a hairless mouse model.

    Main Methods:

    • Utilized the EFAD hairless mouse model.
    • Studied the in vitro percutaneous absorption of a 0.1% solution of 4-(14)C-hydrocortisone.
    • Compared absorption rates between EFAD and normal hairless mouse skin.

    Main Results:

    Related Experiment Videos

  • In vitro absorption of hydrocortisone was significantly higher through EFAD skin compared to normal skin.
  • Demonstrated increased permeability of the skin barrier in EFAD.

    • Conclusions:

    • EFAD leads to a defective skin barrier.
    • Epidermal hyperproliferation associated with EFAD impairs skin barrier integrity, affecting percutaneous absorption.