Expression of the chemokine N51/KC in the thymus and epidermis of transgenic mice results in marked infiltration of a single class of inflammatory cells.
J Exp Med
; 180(6): 2039-48, 1994 Dec 01.
Article
en En
| MEDLINE
| ID: mdl-7964481
ABSTRACT
Transgenic mice expressing the chemokine N51/KC in thymus, skin, and tongue showed a marked infiltration of a single class of inflammatory cells (neutrophils) in the sites of transgene expression. In the thymus, neutrophils were most numerous in the cortex and juxta-medullary regions, often forming aggregates or clusters. A similar, but less intense, neutrophilic infiltrate occurred in close proximity to the epidermal basal layer of the tongue and skin. No morphologic evidence of injury was observed in the thymus, skin, or tongue of these transgenic mice, indicating that N51/KC expression induces recruitment but not inflammatory activation of neutrophils. The lack of activation in the thymus resulted in a large senescent neutrophilic population that was phagocytosed by thymic macrophages and epithelial-reticular cells. These results indicate that N51/KC is a neutrophil chemoattractant in vivo and establish these transgenic mice as effective models to study the phenomena of recruitment and clearance of neutrophils, events that are critical for the initiation and resolution of the inflammatory response.
Texto completo:
1
Base de datos:
MEDLINE
Asunto principal:
Piel
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Timo
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Expresión Génica
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Factores Quimiotácticos
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Sustancias de Crecimiento
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Quimiocinas CXC
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Péptidos y Proteínas de Señalización Intercelular
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Neutrófilos
Tipo de estudio:
Prognostic_studies
Idioma:
En
Revista:
J Exp Med
Año:
1994
Tipo del documento:
Article