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Int. j. morphol ; 31(3): 845-848, set. 2013. ilus
Article in English | LILACS | ID: lil-694966

ABSTRACT

The Wistar rats ( 9 weeks old, 180­200 g body weight) used in these trials were divided into two groups of 16 animals each (Control group and Experimental group). 100x65x100 in the sizes of the experimental group were taken into a glass vase. During the time period of 8 weeks, 5 days a week with 8 hours the inhalation of 10 ppm formaldehyde was made. Skin was removed and placed in 10% formaline. Sections were stained with Hematoxylene-Eosine, Trichrome-Masson and observed under light microscope. In this study, histopathological and immunohistochemical techniques due to the impact of the changes in formaldehyde and examined the distribution of vimentin.


En este ensayo se utilizaron ratas Wistar (9 semanas de edad, 180-200 g de peso corporal) que se dividieron en dos grupos de 16 animales cada uno (grupos control y experimental). Los animales del grupo experimental fueron colocados en un vaso de vidrio de tamaño 100x65x100. Durante un período de tiempo de 8 semanas, 5 días a la semana con 8 horas se expuso a la inhalación de 10 ppm de formaldehído. Se retiró la piel y se colocó en formalina al 10%. Las secciones fueron teñidas con Hematoxilina-Eosina y Tricrómico de Masson, y fueron observadas al microscopio óptico. Las técnicas histopatológicas e inmunohistoquímicas y el impacto en la piel provocado por el formaldehído permitieron examinar la expresión de vimentina.


Subject(s)
Animals , Rats , Formaldehyde/administration & dosage , Skin , Vimentin/physiology , Administration, Inhalation , Immunohistochemistry , Rats, Wistar
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