... 2 Correlation between serum cytokine levels in seizure patients. (A-D) Correlation between serum levels of IL-1b and HMGB1 (A), IL-1b and IL-6 (B), IL-1b and TNF-a (C), and IL-6 and TNF-a (D) ... ± standard error of meanChoi et al. Journal of Neuroinflammation 2011, 8:135http://www.jneuroinflammation.com/content/8/1/135Page 4 of 9RESEARCH Open Access Increased levels of HMGB1 and ... Tehranian R, Iverfeldt K, Winblad B, Schultzberg M: Increased expression of mRNA encoding interleukin-1beta and caspase-1, and thesecreted isoform of interleukin-1 receptor antagonist in the rat...