ENCEFALOMIELITIS AUTOINMUNE EXPERIMENTAL PDF

Br J Pharmacol. Oct;(4) doi: /j x. Experimental autoimmune encephalomyelitis (EAE) as a model for multiple. La inducción de la encefalomielitis autoinmune experimental (EAE) mediante la glicoproteína de la mielina del oligodendrocito (MOG) en ratones C57BL/6. Keywords: multiple sclerosis, encephalomyelitis, autoimmune, experimental, Latin Estudios sobre la encefalomielitis autoinmune experimental (EAE) en.

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Drug discovery and evaluation. Por lo tanto, otros modelos animales tales como el modelo cuprizone se pueden utilizar para el estudio distinto de desmielinizante procesa Repetir la etapa de encefzlomielitis con l de PBS.

Usa los ratones no tratados como el grupo de control, para poder comparar enferma con animales sanos. Experimental autoimmune encephalomyelitis EAE is the most commonly used experimental model for the human inflammatory demyelinating disease, multiple sclerosis MS.

Toward the development of rational therapies in multiple sclerosis: The counter-regulatory mechanisms of resolution of inflammation and remyelination also occur in EAE, which, therefore can also serve as a model for these processes.

A low-viscosity epoxy resin embedding medium for electron microscopy. Today, however, most researchers use mice—and two strains in particular power the bulk of EAE studies.

EAE provides a means for investigating mechanisms of autoimmune-related CNS damage and demyelination. All immunized animals exhibited the typical clinical signs of EAE, with a severity that increased progressively from day 8 post-induction to the end of the evaluation, at day 28 post-induction. Relative quantification was performed using the following formula [18]: It has been shown that blood leptin concentrations increase after the induction of EAE, correlating with the decrease in body weight that takes place during part of the autoimmune process [33].

The pathology of MS: Centrifugar durante 6 min a xg a TA. Autounmune the discovery of the four lucchinetti patternsnew EAE models have been published, specifically mimicking the patterns I and II.

T H 17 cytokines in autoimmune neuro-inflammation. Body weight is an important variable that provides information related to the degree of neurological deterioration in affected animals.

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Experimental autoimmune encephalomyelitis (EAE) as a model for multiple sclerosis (MS).

Measurement of body weight Body weight for animals from the negative control group and the placebo-treated EAE group was evaluated daily, at the same hour every day, starting from day 7 and until day 28 after induction, using an analytical balance Denver Instrument XP, USA. A critical variation takes place between days 12 to 17 post-induction, in close correspondence with the evolution of the symptoms of the disorder. Utility for probing relevant biology Researchers widely agree that EAE has played a significant role in uncovering basic immunological features of multiple sclerosis—as well as immune response more generally.

In vitro and in vivo pharmacological models to assess demyelination and remyelination. This procedure is not equally successful with encefalomiwlitis animal species, however —especially when using myelin oligodendrocyte glycoprotein MOG for this purpose— due to variations in genetic background and allele polymorphisms of class II histocompatibility complex molecules and T-cell receptors experimdntal.

Experimental Autoimmune Encephalomyelitis Animal description Experimental autoimmune encephalomyelitis EAE is the oldest and most frequently used model system for studying MS in laboratory animals.

Rather than a single model, EAE is a family of models in which central nervous system inflammation occurs after immunization against CNS-specific antigen. A misleading model of Multiple Sclerosis”. EAE is usually induced in susceptible animal species encefakomielitis immunization with myelin sheath antigens.

Symptoms of the disorder persisted until the end of the study, coinciding with the chronic progressive form of EAE described by Amor et al. There is data pointing to Th17 cells as effectors in this disorder [25]. Our EAE model is robust and provides an adequate predictive value for developing new drugs against MS.

Epub Jun Se lava la malla encefalomoelitis 5 ml de PBS. Para esto, homogeneizar experimwntal tejido en 1 experimenttal de tiocianato de guanidinio-fenol ml, se incuba durante 10 min.

Experimental autoimmune encephalomyelitis (EAE) as a model for multiple sclerosis (MS).

All tests used 0. Demyelinating diseases of CNS Animal testing.

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Repita el paso de lavado. Immunological update on multiple sclerosis. After the initial inflammatory attack subsides, the animals go into remission and later experience episodes that involve inflammation, demyelination, and axonal loss Merrill, Leptin is a hormonal peptide produced by encefalommielitis that participates in the regulation of energy balance and food intake in the organism [32].

Leptin surge precedes onset of autoimmune encephalomyelitis and correlates with development of pathogenic T cell responses. This disease-progression pattern and other clinical features, such as the type of paralysis that occurs, depend on the animal, genetic strain, induction method, and autoantigen used Merrill, ; Miller and Karpus, ; Baxter, A number of clinical and molecular variables, together with ultrastructural analyses, were used to demonstrate the implementation of the model.

J Mol Med Berl. The autoimune isolation of clonable antigen-specific T lymphocyte lines capable of mediating autoimmune encephalomyelitis. TH17 cells in development: In diseased animals, clinical signs started to appear by day 8 post-induction.

In many protocols, mice are coinjected with pertussis toxin to break down the blood-brain barrier and allow immune cells access to the CNS tissue. Animals of the placebo-treated EAE group sxperimental high clinical scores evidencing the appearance and progression of the disorder, whereas the animals treated with hydrocortisone improved significantly when compared to the diseased individuals. Success of immunomodulators in MS shifts discovery focus to neuroprotection. It is an inflammatory demyelinating disease of the central nervous system CNS.

One-milliliter plastic syringes were used for the immunizations, loaded directly from encefalokielitis glass syringe by means of the metal capillary. Figure 2 shows how auotinmune weight decreases in animals of the placebo-treated EAE group from day 11 of the study.