RETRACTED: Endotoxin-mediated regulation of nuclear factor-κB nuclear translocation and activation in the hippocampus of the central nervous system: modulation by intracerebroventricular treatment with thymulin and the immunomodulatory role of the IκB-Î

Reason: The author regrets that a conflict of interest has risen as another colleague who was previously involved with the study was not properly informed of his rights in authorship or ownership, despite appropriate acknowledgment. The author requests to retract this paper, taking into consideration publication ethics and commitment to highest standards possible.