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Aminochrome induces microglia and astrocyte activation.

Toxicology in vitro : an international journal published in association with BIBRA (2017-04-11)
Cleonice C Santos, Fillipe M Araújo, Rafael S Ferreira, Vanessa B Silva, Juliana H C Silva, Maria S Grangeiro, Érica N Soares, Érica Patricia L Pereira, Cleide S Souza, Silvia L Costa, Juan Segura-Aguilar, Victor Diogenes A Silva
RESUMEN

Aminochrome has been suggested as a more physiological preclinical model capable of inducing five of the six mechanisms of Parkinson's Disease (PD). Until now, there is no evidence that aminochrome induces glial activation related to neuroinflammation, an important mechanism involved in the loss of dopaminergic neurons. In this study, the potential role of aminochrome on glial activation was studied in primary mesencephalic neuron-glia cultures and microglial primary culture from Wistar rats. We demonstrated that aminochrome induced a reduction in the number of viable cells on cultures exposed to concentration between 10 and 100μM. Moreover, aminochrome induces neuronal death determined by Fluoro-jade B. Furthermore, we demonstrated that aminochrome induced reduction in the number of TH-immunoreactive neurons and reactive gliosis, featured by morphological changes in GFAP

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CM Sephadex®