Cytotoxicity of gamma-ray in rat immature hippocampal neurons
Miyoung YANG; Myoung-Sub SONG; Sung-Ho KIM; Jong-Choon KIM; Joong-Sun KIM; Taekyun SHIN; Changjong MOON.
Journal of Veterinary Science
; : 203-207, 2011.
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en Inglés
| WPRIM | ID: wpr-108033
This in vitro study evaluated the detrimental effect of acute gamma (gamma)-irradiation on rat immature hippocampal neurons. Rat immature hippocampal neurons (0.5 day in vitro) were irradiated with 0~4 Gy gamma-rays. Cytotoxicity was analyzed using a lactate dehydrogenase release assay at 24 h after gamma-irradiation. Radiation-induced cytotoxicity in immature hippocampal neurons increased in a dose-dependent manner. Pre-treatments of pro-apoptotic caspase inhibitors and anti-oxidative substances significantly blocked gamma-irradiation-induced cytotoxicity in immature hippocampal neurons. The results suggest that the caspase-dependent cytotoxicity of gamma-rays in immature hippocampal cultured neurons may be caused by oxidative stress.
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