DYNAMICS OF GOBLET CELLS DURING INFECTION BY P. multocida AND B. bronchiseptica IN RABBITS
Dynamic s of goblet cells during Infection by P. multocida and B. bronchiseptica in rabbits
Keywords:
conejo, cavidad nasal, enfermedad respiratoria, células caliciformes, caracterización histoquímica, glicoproteínas (es)Rabbit, nasal cavity, respiratory disease, goblet cell, histochemical characterization, glycoproteins (en)
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Se evaluó el número y las características histoquímicas de las células caliciformes (CC) en la cavidad nasal y la nasofaringe de conejos sanos y enfermos de septicemia y rinitis inducida por P. multocida y B. bronchiseptica. Se usó la técnica histoquímica de azul de Alciano y ácido Periódico de Schiff. Los resultados mostraron que la población de CC en ambas regiones anatómicas permaneció constante durante las diferentes etapas del desarrollo de los conejos sanos, y estuvo entre 50-57 ±25 CC/mm de lámina basal. Se determinó el número de CC en el maxilocornete (63 ±24 CC/mm), en el septo nasal (53 ±18 CC/mm) y la nasofaringe (45 ±22 CC/mm). En todas las etapas del desarrollo de los conejos, regiones anatómicas y animales enfermos hubo predominancia de glicoproteínas ácidas. Los conejos septicémicos mostraron un incremento altamente significativo (P<0,01) en el número de CC comparado con los animales sanos y aquellos que sufrían de rinitis. Este estudio demostró un incremento en el número de CC y secreción de glicoproteínas ácidas durante la enfermedad respiratoria de los conejos.
The number and histochemical characteristics of goblet cells (GC) in the nasal cavity and nasopharynx of healthy rabbits and rabbits suffering septicemia and rhinitis caused by Pasteurella multocida and Bordetella bronchiseptica were analyzed. Alcian blue and Periodic Acid Schiff histochemical technique were used. The results showed that the GC population remained constant in healthy rabbits during different stages of development, ranging from 50-57 ±25 GC/mm of the basal lamina. The GC number was determined in the maxilloturbinates (63 ±24GC/mm), nasal septum (53 ±18GC/mm) and nasopharynx (45 ±22GC/mm). Acid glycoproteins were predominant in all developmental stages, all anatomic regions and in sickanimals. Rabbits suffering septicemia had a highly significant increase (P<0.001) in the number of GC compared to healthy rabbits and rhinitic animals. This study demonstrated increased GC number and secretions of acid glycoproteins during the respiratory disease of rabbits.
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Copyright (c) 2007 Benjamin Doncel Diaz, Carlos Arturo Iregui Castro, Lucía Botero Espinosa, Nohora Martínez Rueda

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