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This study aimed to investigate whether α-tocopherol is able to protect keratinocytes against ultraviolet A (UVA) radiation by increasing gluta-thione (γ-glutamylcysteinylglycine; GSH) levels or decreasing lipid peroxidation and reactive oxygen species (ROS) generation. The cell survival fraction was 43.6% when keratinocytes were irradiated with UVA at a(More)
Neutrophils elicited in the peritoneal cavity of guinea pigs were purified on Percoll gradients and their chemotactic response to hrIL-8 and fMLP measured in vitro. hrIL-8 and fMLP were effective chemoattractants with optimal concentrations of 6 x 10(-9) and 1 x 10(-7) M, respectively. Scatchard analysis revealed approximately 205,000 IL-8 receptors/cell(More)
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