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Table 1 Neurotrophic factors secreted by RPE cells

From: Retinal pigment epithelial cells secrete neurotrophic factors and synthesize dopamine: possible contribution to therapeutic effects of RPE cell transplantation in Parkinson's disease

Trophic factors

BDNF

GDNF

Concentration in medium (pg/ml)

0.49 ± 0.09

0.019 ± 0.005

  1. Serum-free medium was incubated with RPE cells for two days, and subjected to ELISA assay.