Efecto de la infección con virus de la rabia sobre la estructura dendrítica de las células de Purkinje en el cerebelo de ratones

dc.contributor.advisorDueñas Goméz, Zulmaspa
dc.contributor.advisorTorres Fernández, Orlandospa
dc.contributor.authorPorras Rodríguez, Andrés Obduliospa
dc.contributor.researchgroupMorfología Celularspa
dc.date.accessioned2020-03-05T20:10:19Zspa
dc.date.available2020-03-05T20:10:19Zspa
dc.date.issued2020-01-23spa
dc.description.abstractLa rabia humana continúa siendo un importante problema de salud pública en países subdesarrollados por falta de control de la transmisión canina y la presencia de reservorios silvestres (algunos murciélagos y carnívoros). En el presente trabajo se analizaron los efectos del virus de la rabia en la morfología dendrítica y en la expresión de la proteína MAP-2 en las neuronas de Purkinje del cerebelo, utilizando respectivamente la técnica de Golgi y la inmunohistoquímica. Para esto, se inocularon ratones ICR con el virus de la rabia, por vía intramuscular o intracerebral, y se sacrificaron posteriormente en la fase terminal de la enfermedad. Los cerebelos fueron removidos y cortados sagitalmente en un vibrátomo, para posteriormente aplicar la batería metodológica correspondiente para cada técnica. Los cambios encontrados en la proteína MAP-2 mediante inmunohistoquímica no fueron estadísticamente significativos. Otros marcadores evaluados previamente por el grupo de investigación en el cerebelo (calbindina y aldolasa) generaron resultados similares, lo que sugiere una posible respuesta diferencial de neuroprotección en estas neuronas ante la infección con el virus de la rabia. Por el contrario, los resultados encontrados mediante la técnica de Golgi arrojaron cambios significativos en la estructura del patrón dendrítico de las neuronas de Purkinje por causa de la infección, lo cual evidencia patología dendrítica de estas neuronas en los animales infectados con el virus. En conjunto, los resultados del presente trabajo aportan al conocimiento de la dinámica de la infección celular en la patogénesis de la rabia. La evidencia de daño neuronal estructural podría explicar en parte la fisiopatología de esta enfermedad.spa
dc.description.abstractHuman rabies continues to be a major public health problem in underdeveloped countries due to lack of control of canine transmission and the presence of wild reservoirs (some bats and carnivores). In this paper, the effects of rabies virus on dendritic morphology and the expression of the MAP-2 protein in Purkinje neurons of the cerebellum were analyzed, using the Golgi technique and immunohistochemistry respectively. For this, ICR mice were inoculated with the rabies virus, intramuscularly or intracerebrally, and subsequently sacrificed in the terminal phase of the disease. The cerebellums were removed and cut sagittally in a vibratome, to subsequently apply the corresponding methodological battery for each technique. The changes found in the MAP-2 protein by immunohistochemistry were not statistically significant. Other markers previously evaluated by the research group in the cerebellum (calbindin and aldolase) generated similar results, suggesting a possible differential response of neuroprotection in these neurons to infection with the rabies virus. On the contrary, the results found by the Golgi technique showed significant changes in the structure of the dendritic pattern of Purkinje neurons due to infection, which evidences the dendritic pathology of these neurons in animals infected with the virus. Together, the results of this work contribute to the knowledge of the dynamics of cellular infection in the pathogenesis of rabies. The evidence of structural neuronal damage could partly explain the pathophysiology of this disease.spa
dc.description.additionalMagíster en Neurocienciasspa
dc.description.degreelevelMaestríaspa
dc.format.extent92spa
dc.format.mimetypeapplication/pdfspa
dc.identifier.urihttps://repositorio.unal.edu.co/handle/unal/75895
dc.language.isospaspa
dc.publisher.branchUniversidad Nacional de Colombia - Sede Bogotáspa
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dc.rightsDerechos reservados - Universidad Nacional de Colombiaspa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.licenseAtribución-NoComercial-SinDerivadas 4.0 Internacionalspa
dc.rights.spaAcceso abiertospa
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/spa
dc.subject.ddcBiología::Sistemas fisiológicos específicos en animales, histología regional y fisiología en los animalesspa
dc.subject.proposalPurkinjespa
dc.subject.proposalPurkinjeeng
dc.subject.proposalRabiaspa
dc.subject.proposalRabieseng
dc.subject.proposalVirusspa
dc.subject.proposalMiceeng
dc.subject.proposalImmunohistochemistryeng
dc.subject.proposalGolgispa
dc.subject.proposalSholleng
dc.subject.proposalMAP-2spa
dc.subject.proposalInmunohistoquímicaspa
dc.subject.proposalDendritasspa
dc.subject.proposalRatonesspa
dc.titleEfecto de la infección con virus de la rabia sobre la estructura dendrítica de las células de Purkinje en el cerebelo de ratonesspa
dc.typeTrabajo de grado - Maestríaspa
dc.type.coarhttp://purl.org/coar/resource_type/c_bdccspa
dc.type.coarversionhttp://purl.org/coar/version/c_ab4af688f83e57aaspa
dc.type.contentTextspa
dc.type.driverinfo:eu-repo/semantics/masterThesisspa
dc.type.versioninfo:eu-repo/semantics/acceptedVersionspa
oaire.accessrightshttp://purl.org/coar/access_right/c_abf2spa

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