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Reduced Ability to Elicit Dinitrochlorobenzene Contact Sensitivity Reaction and Decreased Stimulatory Effect in the Allogeneic Mixed Skin Cell Lymphocyte Culture Reaction

Naohiro Hatchome, MD; Setsuya Aiba, MD; Taizo Kato, MD; Wakio Torinuki, MD; Hachiro Tagami, MD

Arch Dermatol. 1987;123(1):51-54.

Abstract
• We used patch testing to compare the ability to elicit contact sensitivity to dinitrochlorobenzene (DNCB) of uninvolved with vitiliginous skin of 31 patients with vitiligo. The induction of DNCB contact sensitivity was possible in the vitiliginous skin in the same way as in normal skin. The DNCB contact sensitivity reactions, however, were generally diminished in vitiliginous skin, although the number of cases showing similar DNCB contact reactivity between normal and vitiliginous skin increased when the sensitization procedure was performed in vitiliginous skin instead of normal skin. On the other hand, delayed skin reactions to intradermally injected Candida albicans antigen were not suppressed in vitiliginous skin. The number of Langerhans' cells was not decreased in vitiliginous skin as compared with that of normal skin. The epidermal cells derived from vitiligonous skin, however, tended to show a lower stimulatory effect in the allogeneic mixed skin cell lymphocyte culture reaction than those from normal skin. These results suggest a possibility of functional impairment of Langerhans' cells in vitiliginous skin.

(Arch Dermatol 1987;123:51-54)

Author Affiliations
From the Department of Dermatology, Tohoku University School of Medicine, Sendai, Japan.

Footnotes
Accepted for publication July 1, 1986.

Reprints not available.

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