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Sci Rep ; 13(1): 10622, 2023 06 30.
Artículo en Inglés | MEDLINE | ID: mdl-37391534

RESUMEN

Tumor necrosis factor alpha (TNF-α) and its key role in modulating immune responses has been widely recognized as a therapeutic target for inflammatory and neurodegenerative diseases. Even though inhibition of TNF-α is beneficial for the treatment of certain inflammatory diseases, total neutralization of TNF-α largely failed in the treatment of neurodegenerative diseases. TNF-α exerts distinct functions depending on interaction with its two TNF receptors, whereby TNF receptor 1 (TNFR1) is associated with neuroinflammation and apoptosis and TNF receptor 2 (TNFR2) with neuroprotection and immune regulation. Here, we investigated the effect of administering the TNFR1-specific antagonist Atrosimab, as strategy to block TNFR1 signaling while maintaining TNFR2 signaling unaltered, in an acute mouse model for neurodegeneration. In this model, a NMDA-induced lesion that mimics various hallmarks of neurodegenerative diseases, such as memory loss and cell death, was created in the nucleus basalis magnocellularis and Atrosimab or control protein was administered centrally. We showed that Atrosimab attenuated cognitive impairments and reduced neuroinflammation and neuronal cell death. Our results demonstrate that Atrosimab is effective in ameliorating disease symptoms in an acute neurodegenerative mouse model. Altogether, our study indicates that Atrosimab may be a promising candidate for the development of a therapeutic strategy for the treatment of neurodegenerative diseases.


Asunto(s)
Enfermedades Neurodegenerativas , Receptores Tipo II del Factor de Necrosis Tumoral , Receptores Tipo I de Factores de Necrosis Tumoral , Animales , Ratones , Modelos Animales de Enfermedad , Trastornos de la Memoria/tratamiento farmacológico , Enfermedades Neuroinflamatorias , Receptores Tipo I de Factores de Necrosis Tumoral/antagonistas & inhibidores , Factor de Necrosis Tumoral alfa , Enfermedades Neurodegenerativas/tratamiento farmacológico
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