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Chemokine receptor 7 implications of spleen dendritic cells in multiple-organ dysfunction syndrome in mice / Implicaciones del receptor de la quimiocina de tipo 7 de las células dendríticas del bazo en el síndrome de disfunción orgánica múltiple en ratones
Hou, G; Lu, J; Wang, H; Liu, Q; Tian, G; Yang, Y.
  • Hou, G; First Affiliated Hospital of General Hospital of PLA. Department of Pathology. Beijing. CN
  • Lu, J; First Affiliated Hospital of General Hospital of PLA. Department of Pathology. Beijing. CN
  • Wang, H; First Affiliated Hospital of General Hospital of PLA. Department of Pathology. Beijing. CN
  • Liu, Q; First Affiliated Hospital of General Hospital of PLA. Department of Pathology. Beijing. CN
  • Tian, G; First Affiliated Hospital of General Hospital of PLA. Department of Pathology. Beijing. CN
  • Yang, Y; First Affiliated Hospital of General Hospital of PLA. Department of Pathology. Beijing. CN
West Indian med. j ; 62(9): 787-792, Dec. 2013. ilus, graf
Article in English | LILACS | ID: biblio-1045757
ABSTRACT

OBJECTIVE:

This study aims to explore the chemokine receptor 7 (CCR7) expression of spleen dendritic cells (DCs) and their role in the changes of migration and activity of spleen DCs in multiple-organ dysfunction syndrome (MODS).

METHODS:

The MODS model of mice was reproduced. The mice were randomly assigned to the following groups normal, three-hour to six-hour, 24-hour to 48-hour, and 10-day to 12-day postzymosan injection. CD11c and CD205 were analysed by immunohistochemistry; the expressions of CD86 and CCR7 of DCs were studied using flow cytometry analyses.

RESULTS:

In normal mice, many DCs were found at the margin between the red and white pulp. In the three-hour to six-hour and 24- to 48-hour group, DC effectively upregulated CD86 and CCR7, and they were distributed in T-cell areas. In the 10-day to 12-day group, DCs were distributed at the margin by the immature form.

CONCLUSION:

The CCR7 expression level of DCs had close correlations with the migration of DCs. Chemokine receptor 7 can be used to evaluate the migration and functional activity of DCs in MODS.
RESUMEN

OBJETIVO:

Este estudio persigue explorar la expresión del receptor de la quimiocina 7 (CCR7) de células dendríticas del bazo (CD), y su papel en los cambios de la migración y la actividad del las células DC del bazo en el síndrome de disfunción orgánica múltiple (SDOM).

MÉTODOS:

Se reprodujo el modelo SDOM de los ratones. Los ratones fueron asignados aleatoriamente a los siguientes grupos de inyección de post-zymosan hora normal, tres a seis horas, 24 horas a 48 horas, y de 10 a 12 días. CD11c y CD205 fueron analizados mediante inmunohistoquímica. Las expresiones de CD86 y CCR7 de CD se estudiaron mediante análisis de citometría de flujo.

RESULTADOS:

En los ratones normales, muchas células CD fueron encontradas en el margen entre la pulpa roja y la blanca. En el grupo de tres a seis horas y el grupo de 24 a 48 horas, CD86y CCR7 fueron efectivamente sobre-regulados en CD, y distribuidos en las áreas de células T. En el grupo de 10 a 12 días, las CDs fueron distribuidas en el margen por la forma inmadura.

CONCLUSIÓN:

El nivel de expresión CCR7 de las CDs tuvo estrecha correlación con la migración de las CDs. El receptor de la quimiocina de tipo 7 puede utilizarse para evaluar la migración y la actividad funcional de las CDs en SDOM.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Spleen / Dendritic Cells / Receptors, Chemokine / Multiple Organ Failure Limits: Animals Language: English Journal: West Indian med. j Journal subject: Medicine Year: 2013 Type: Article Affiliation country: China Institution/Affiliation country: First Affiliated Hospital of General Hospital of PLA/CN

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Full text: Available Index: LILACS (Americas) Main subject: Spleen / Dendritic Cells / Receptors, Chemokine / Multiple Organ Failure Limits: Animals Language: English Journal: West Indian med. j Journal subject: Medicine Year: 2013 Type: Article Affiliation country: China Institution/Affiliation country: First Affiliated Hospital of General Hospital of PLA/CN