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Ultrastructural evidences for endothelial cell - leukocytes interactions: margination and migration / Evidencias ultraestructurales de las interacciones células endoteliales - leucocitos: marginación y migración
Deveci, Engin; Deveci, Ienay.
  • Deveci, Engin; Dicle University Medical Faculty. Department of Histology and Embryology. Diyarbakir. TR
  • Deveci, Ienay; Dicle University Medical Faculty. Department of Histology and Embryology. Diyarbakir. TR
Int. j. morphol ; 28(3): 895-898, Sept. 2010. ilus
Article in English | LILACS | ID: lil-577202
ABSTRACT
Leukocyte-endothelial cell interactions have a pivotal role in immune responses. In our study Ten adult Wistar albino rats weighing 180-200 g were used to obtain tissue samples. The animals were sacrificed by decapitation under ether anesthesia. The lymph nodes of the animals were then quickly removed. Specimens were immersed in the zinc iodide-osmium tetroxide (ZIO) solutation by Niebauer et al. (1969) and kept in the dark for 2 hours in this solution from temperature for fixation/staining. Samples were processed according to routine plastic embedding tecnique. Semi thin sections of 1µm thick were cut and stained with methilene blue-azure II for light microscopic examination. We used zinc iodide-osmium tetroxide staining technique to distinguish endothelial cell from leukocytes. Present data supports the understanding of this unique relationship as documented by figures.
RESUMEN
Las interacciones entre células endoteliales y leucocitos tienen un papel fundamental en la respuesta inmune. Se utilizaron 10 ratas albinas Wistar, adultas, con peso entre 180-200 g, para obtener muestras de tejido. Los animales fueron sacrificados por decapitación bajo anestesia con éter. Inmediatamente, los nodos linfáticos de los animales fueron removidos. Las muestras se sumergieron en tetraóxido de osmio-yoduro de zinc (ZIO), solución de Niebauer et al. (1969), manteniéndose en oscuridad durante 2 horas, a temperatura de fijación/tinción. Las muestras fueron tratadas de cuerdo a la rutina de la técnica de inserción en plástico. Para el examen microscópico de luz, se tiñeron con Azur-II - Azul de metileno secciones de corte semifinos de 1µm de grosor. Se utilizó la técnica tinción tetraóxido de osmio-yoduro de zinc para distinguir las células endoteliales de los leucocitos. Los datos presentados apoyan la comprensión de esta relación única.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Endothelial Cells / Leukocytes Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2010 Type: Article Affiliation country: Turkey Institution/Affiliation country: Dicle University Medical Faculty/TR

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Full text: Available Index: LILACS (Americas) Main subject: Endothelial Cells / Leukocytes Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2010 Type: Article Affiliation country: Turkey Institution/Affiliation country: Dicle University Medical Faculty/TR