Dermatology. 2003;207(3):261-4. Related Articles, Links
High iron and low ascorbic Acid concentrations in the dermis of atopic dermatitis patients.
Leveque N, Robin S, Muret P, Mac-Mary S, Makki S, Humbert P.
Laboratoire d'Ingenierie et de Biologie Cutanees, Faculte de Medecine et de Pharmacie, Place Saint
Jacques, Besancon, France.
BACKGROUND: Atopic dermatitis (AD) is a chronic inflammatory skin disease in which reactive oxygen
species (ROS) may be involved. Iron catalyses ROS formation and ascorbic acid (AA) scavenges these
species. OBJECTIVE: The aim of this work was to determine iron and AA levels in AD patients' dermis
and to compare their concentrations with those of healthy volunteers' dermis. METHODS: Five AD
patients and 5 healthy subjects (controls) were enrolled in this study. Iron and AA were collected
from human dermis by microdialysis and assessed by atomic absorption spectrometry and gas
chromatography-mass spectrometry, respectively. RESULTS: The AD dermis demonstrated higher iron
concentrations
(44.3 +/- 4.6 mug/l) compared to controls (21.8 +/- 1.2 mug/l) as well as a significantly lower
concentration of AA (46.7 +/- 0.6 vs. 176.8 +/- 14.5 mug/ml, respectively). CONCLUSION: These
results suggest that iron and AA dermis levels could be indicators of inflammatory tissues and
might be implicated in dermatological diseases such as AD. Copyright 2003 S. Karger AG, Basel
PMID: 14571067 [PubMed - in process]
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