Ultraviolet AI exposure of human skin results in Langerhans cell depletion and reduction of epidermal antigen-presenting cell function: partial protection by a broad-spectrum sunscreen

被引:68
作者
Dumay, O
Karam, A
Vian, L
Moyal, D
Hourseau, C
Stoebner, P
Peyron, JL
Meynadier, J
Cano, JP
Meunier, L
机构
[1] Univ Montpellier, Lab Drug Toxicol, F-34059 Montpellier, France
[2] Univ Montpellier, Dept Dermatol Allergol Photobiol, F-34059 Montpellier, France
[3] LOreal Res & Dev, Clichy, France
关键词
photobiology; photoimmunology; photoprotection;
D O I
10.1046/j.1365-2133.2001.04225.x
中图分类号
R75 [皮肤病学与性病学];
学科分类号
100206 ;
摘要
Background Ultraviolet (UV) B-induced effects on the skin immune system have been extensively investigated, but little is known regarding the immunological changes induced by UVA exposure of human skin. Recent data assessing the protection afforded by sunscreens against photoimmunosuppression stress the need for broad-spectrum sunscreens with an adequate UVA protection. Objectives The purpose of this study was first to determine the changes observed in epidermal Langerhans cells (ELC) density and epidermal antigen-presenting cell (APC) activity after exposure of human skin to UVAI (340-400 nm) radiation, and secondly to assess the immune protection afforded in vivo by a sunscreen formulation containing a long wavelength UVA filter with a low UVA protection factor (UVA-PF = 3). Methods Epidermal cell (EC) suspensions were prepared from skin biopsies 3 days after exposure to a single dose of UVAI (either 30 or 60 J cm(-2)). Results Flow-cytometric analysis of EC suspensions revealed that exposure to 60 J cm(-2) UVAI resulted in a decreased number of ELC without infiltration of CD36+ DR+ CD1a- antigen-presenting macrophages into the epidermis, and a significant reduction of HLA-DR expression on viable ELC. In vivo exposure to both 30 and 60 J cm(-2) resulted in a decreased allogeneic CD4+ T-cell proliferation induced by UVAI-irradiated ECs. The sunscreen application partially prevented (57 +/- 9%) the decrease in epidermal allogeneic APC activity induced by 60 J cm(-2) UVAI. Conclusions In vivo UVAI exposure of human skin results in a decreased number of ELC and in a downregulation of epidermal APC activity. This last effect is partially prevented by prior application of a sunscreen with a low UVAI-PF value. These results indicate that increasing the absorption of UV filters for long UVA wavelengths may lead to an improved immune protection.
引用
收藏
页码:1161 / 1168
页数:8
相关论文
共 43 条
[1]   Photocarcinogenesis and inhibition of intercellular adhesion molecule 1 expression in cells of DNA-repair-defective individuals [J].
Ahrens, C ;
Grewe, M ;
Berneburg, M ;
GretherBeck, S ;
Quilliet, X ;
Mezzina, M ;
Sarasin, A ;
Lehmann, AR ;
Arlett, CF ;
Krutmann, J .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1997, 94 (13) :6837-6841
[2]  
BAADSGAARD O, 1989, J IMMUNOL, V142, P4213
[3]  
BAADSGAARD O, 1990, J IMMUNOL, V145, P2854
[4]   UVB AND UVC, BUT NOT UVA, POTENTLY INDUCE THE APPEARANCE OF T6-DR+ ANTIGEN-PRESENTING CELLS IN HUMAN-EPIDERMIS [J].
BAADSGAARD, O ;
WULF, HC ;
WANTZIN, GL ;
COOPER, KD .
JOURNAL OF INVESTIGATIVE DERMATOLOGY, 1987, 89 (01) :113-118
[5]  
BAADSGAARD O, 1988, J IMMUNOL, V140, P1738
[6]  
Chardon A, 1996, SUNSCREENS DEV EVALU, P559
[7]   UVA-induced immune suppression in human skin: Protective effect of vitamin E in human epidermal cells in vitro [J].
ClementLacroix, P ;
Michel, L ;
Moysan, A ;
Morliere, P ;
Dubertret, L .
BRITISH JOURNAL OF DERMATOLOGY, 1996, 134 (01) :77-84
[8]  
COOPER KD, 1985, J IMMUNOL, V134, P129
[9]   ANTIGEN-PRESENTING OKM5+ MELANOPHAGES APPEAR IN HUMAN-EPIDERMIS AFTER ULTRAVIOLET-RADIATION [J].
COOPER, KD ;
NEISES, GR ;
KATZ, SI .
JOURNAL OF INVESTIGATIVE DERMATOLOGY, 1986, 86 (04) :363-370
[10]   UV EXPOSURE REDUCES IMMUNIZATION RATES AND PROMOTES TOLERANCE TO EPICUTANEOUS ANTIGENS IN HUMANS - RELATIONSHIP TO DOSE, CD1A-DR+ EPIDERMAL MACROPHAGE INDUCTION, AND LANGERHANS CELL DEPLETION [J].
COOPER, KD ;
OBERHELMAN, L ;
HAMILTON, TA ;
BAADSGAARD, O ;
TERHUNE, M ;
LEVEE, G ;
ANDERSON, T ;
KOREN, H .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1992, 89 (18) :8497-8501