Effect of Laser Thermal Injury on Langerhans Cells in Mouse and Hairless Guinea Pig Epidermis
Identifieur interne : 000588 ( Main/Exploration ); précédent : 000587; suivant : 000589Effect of Laser Thermal Injury on Langerhans Cells in Mouse and Hairless Guinea Pig Epidermis
Auteurs : Kim Burnham [États-Unis] ; Kurt Schuster ; Aurora Shingledecker ; Robert Kornegay ; Jeffrey OliverSource :
- Photochemistry and Photobiology [ 0031-8655 ] ; 2013-09.
Descripteurs français
- KwdFr :
- MESH :
- cytologie : Épiderme.
- effets des radiations : Cellules de Langerhans, Épiderme.
- métabolisme : Adenosine triphosphatases, Antigènes d'histocompatibilité de classe II.
- Wicri :
- geographic : Animaux, Cochons d'Inde, Femelle, Guinée, Lasers, Souris, Souris de lignée BALB C.
- topic : Migration.
English descriptors
- KwdEn :
- Adenosine Triphosphatases (metabolism), Animals, Coagulation, Collagen denaturation, Dendritic, Dermal, Dermal damage, Dermis, Epidermal, Epidermal damage, Epidermis, Epidermis (cytology), Epidermis (radiation effects), Female, Guinea, Guinea Pigs, Hairless, Hairless guinea, Hairless guinea pigs, Highest dose, Histocompatibility Antigens Class II (metabolism), Human skin, Infectious agents, Infrared camera, Langerhans, Langerhans Cells (radiation effects), Langerhans cells, Laser, Laser exposure, Laser irradiation, Laser treatment, Lasers, Mice, Mice, Inbred BALB C, Migration, Mouse, Mouse skin, Normal levels, Peak temperature increase, Post exposure, Post irradiation, Separate power settings, Standard error, Thermal damage, Tissue damage, Unexposed skin, Viable epidermis.
- MESH :
- chemical , metabolism : Adenosine Triphosphatases, Histocompatibility Antigens Class II.
- cytology : Epidermis.
- radiation effects : Epidermis, Langerhans Cells.
- Teeft :
- Animals, Coagulation, Collagen denaturation, Dendritic, Dermal, Dermal damage, Dermis, Epidermal, Epidermal damage, Epidermis, Female, Guinea, Guinea Pigs, Hairless, Hairless guinea, Hairless guinea pigs, Highest dose, Human skin, Infectious agents, Infrared camera, Langerhans, Langerhans cells, Laser, Laser exposure, Laser irradiation, Laser treatment, Lasers, Mice, Mice, Inbred BALB C, Migration, Mouse, Mouse skin, Normal levels, Peak temperature increase, Post exposure, Post irradiation, Separate power settings, Standard error, Thermal damage, Tissue damage, Unexposed skin, Viable epidermis.
Abstract
To examine the effect of laser thermal injury on Langerhans cells (LC) within the epidermis, the dorsal skin of mice and hairless guinea pigs was exposed to varying levels of laser irradiation using a thulium laser at a wavelength of 2.0 μm. At 6, 24 and 48 h post irradiation, animals were euthanized, skin samples prepared for histology and the epidermis obtained and stained by major histocompatibility complex‐II staining (mice) or ATPase assay (hairless guinea pigs) for the enumeration of LC. Mouse skin exhibited histological evidence of thermal damage at 24 h post irradiation at even the lowest dose (0.14 W) and decreases in the numbers of epidermal LC were observed at all doses and decreases were proportional to dose. In contrast, hairless guinea pig skin only showed consistent histological evidence of thermal damage at the highest dose of irradiation (0.70 W) at 24 and 48 h post irradiation and exhibited a statistically significant decrease in numbers of epidermal LC only at this dose. Thus, epidermal LC depletion occurred in the skin of both mice and hairless guinea pigs in response to laser treatment and the magnitude of depletion directly correlated with the extent of thermal damage both within and between species.
Url:
DOI: 10.1111/php.12092
Affiliations:
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<term>Animals</term>
<term>Coagulation</term>
<term>Collagen denaturation</term>
<term>Dendritic</term>
<term>Dermal</term>
<term>Dermal damage</term>
<term>Dermis</term>
<term>Epidermal</term>
<term>Epidermal damage</term>
<term>Epidermis</term>
<term>Epidermis (cytology)</term>
<term>Epidermis (radiation effects)</term>
<term>Female</term>
<term>Guinea</term>
<term>Guinea Pigs</term>
<term>Hairless</term>
<term>Hairless guinea</term>
<term>Hairless guinea pigs</term>
<term>Highest dose</term>
<term>Histocompatibility Antigens Class II (metabolism)</term>
<term>Human skin</term>
<term>Infectious agents</term>
<term>Infrared camera</term>
<term>Langerhans</term>
<term>Langerhans Cells (radiation effects)</term>
<term>Langerhans cells</term>
<term>Laser</term>
<term>Laser exposure</term>
<term>Laser irradiation</term>
<term>Laser treatment</term>
<term>Lasers</term>
<term>Mice</term>
<term>Mice, Inbred BALB C</term>
<term>Migration</term>
<term>Mouse</term>
<term>Mouse skin</term>
<term>Normal levels</term>
<term>Peak temperature increase</term>
<term>Post exposure</term>
<term>Post irradiation</term>
<term>Separate power settings</term>
<term>Standard error</term>
<term>Thermal damage</term>
<term>Tissue damage</term>
<term>Unexposed skin</term>
<term>Viable epidermis</term>
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<term>Animaux</term>
<term>Antigènes d'histocompatibilité de classe II (métabolisme)</term>
<term>Cellules de Langerhans (effets des radiations)</term>
<term>Cochons d'Inde</term>
<term>Femelle</term>
<term>Lasers</term>
<term>Souris</term>
<term>Souris de lignée BALB C</term>
<term>Épiderme (cytologie)</term>
<term>Épiderme (effets des radiations)</term>
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<term>Histocompatibility Antigens Class II</term>
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<keywords scheme="MESH" qualifier="cytologie" xml:lang="fr"><term>Épiderme</term>
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<keywords scheme="MESH" qualifier="cytology" xml:lang="en"><term>Epidermis</term>
</keywords>
<keywords scheme="MESH" qualifier="effets des radiations" xml:lang="fr"><term>Cellules de Langerhans</term>
<term>Épiderme</term>
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<term>Antigènes d'histocompatibilité de classe II</term>
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<keywords scheme="MESH" qualifier="radiation effects" xml:lang="en"><term>Epidermis</term>
<term>Langerhans Cells</term>
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<keywords scheme="Teeft" xml:lang="en"><term>Animals</term>
<term>Coagulation</term>
<term>Collagen denaturation</term>
<term>Dendritic</term>
<term>Dermal</term>
<term>Dermal damage</term>
<term>Dermis</term>
<term>Epidermal</term>
<term>Epidermal damage</term>
<term>Epidermis</term>
<term>Female</term>
<term>Guinea</term>
<term>Guinea Pigs</term>
<term>Hairless</term>
<term>Hairless guinea</term>
<term>Hairless guinea pigs</term>
<term>Highest dose</term>
<term>Human skin</term>
<term>Infectious agents</term>
<term>Infrared camera</term>
<term>Langerhans</term>
<term>Langerhans cells</term>
<term>Laser</term>
<term>Laser exposure</term>
<term>Laser irradiation</term>
<term>Laser treatment</term>
<term>Lasers</term>
<term>Mice</term>
<term>Mice, Inbred BALB C</term>
<term>Migration</term>
<term>Mouse</term>
<term>Mouse skin</term>
<term>Normal levels</term>
<term>Peak temperature increase</term>
<term>Post exposure</term>
<term>Post irradiation</term>
<term>Separate power settings</term>
<term>Standard error</term>
<term>Thermal damage</term>
<term>Tissue damage</term>
<term>Unexposed skin</term>
<term>Viable epidermis</term>
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<keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Animaux</term>
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<term>Femelle</term>
<term>Guinée</term>
<term>Lasers</term>
<term>Souris</term>
<term>Souris de lignée BALB C</term>
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<front><div type="abstract">To examine the effect of laser thermal injury on Langerhans cells (LC) within the epidermis, the dorsal skin of mice and hairless guinea pigs was exposed to varying levels of laser irradiation using a thulium laser at a wavelength of 2.0 μm. At 6, 24 and 48 h post irradiation, animals were euthanized, skin samples prepared for histology and the epidermis obtained and stained by major histocompatibility complex‐II staining (mice) or ATPase assay (hairless guinea pigs) for the enumeration of LC. Mouse skin exhibited histological evidence of thermal damage at 24 h post irradiation at even the lowest dose (0.14 W) and decreases in the numbers of epidermal LC were observed at all doses and decreases were proportional to dose. In contrast, hairless guinea pig skin only showed consistent histological evidence of thermal damage at the highest dose of irradiation (0.70 W) at 24 and 48 h post irradiation and exhibited a statistically significant decrease in numbers of epidermal LC only at this dose. Thus, epidermal LC depletion occurred in the skin of both mice and hairless guinea pigs in response to laser treatment and the magnitude of depletion directly correlated with the extent of thermal damage both within and between species.</div>
</front>
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<affiliations><list><country><li>États-Unis</li>
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<tree><noCountry><name sortKey="Kornegay, Robert" sort="Kornegay, Robert" uniqKey="Kornegay R" first="Robert" last="Kornegay">Robert Kornegay</name>
<name sortKey="Oliver, Jeffrey" sort="Oliver, Jeffrey" uniqKey="Oliver J" first="Jeffrey" last="Oliver">Jeffrey Oliver</name>
<name sortKey="Schuster, Kurt" sort="Schuster, Kurt" uniqKey="Schuster K" first="Kurt" last="Schuster">Kurt Schuster</name>
<name sortKey="Shingledecker, Aurora" sort="Shingledecker, Aurora" uniqKey="Shingledecker A" first="Aurora" last="Shingledecker">Aurora Shingledecker</name>
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<country name="États-Unis"><noRegion><name sortKey="Burnham, Kim" sort="Burnham, Kim" uniqKey="Burnham K" first="Kim" last="Burnham">Kim Burnham</name>
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