Thayane Martins Silva

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When retinal cell cultures were mechanically scratched, cell growth over the empty area was observed. Only dividing and migrating, 2 M6-positive glial cells were detected. Incubation of cultures with apyrase (APY), suramin, or Reactive Blue 2 (RB-2), but not MRS 2179, significantly attenuated the growth of glial cells, suggesting that nucleotide receptors(More)
PI3K/Akt is an important pathway implicated in the proliferation and survival of cells in the CNS. Here we investigated the participation of the PI3K/Akt signal pathway in cell cycle of developing retinal progenitors. Immunofluorescence assays performed in cultures of chick embryo retinal cells and intact tissues revealed the presence of phosphorylated Akt(More)
Nucleotides stimulate phosphorylation of CREB to induce cell proliferation and survival in diverse cell types. We report here that ADP induces the phosphorylation of CREB in a time- and concentration-dependent manner in chick embryo retinal progenitors in culture. ADP-induced increase in phospho-CREB is mediated by P2 receptors as it is blocked by PPADS but(More)
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