Minocycline, a tetracycline derivative, is neuroprotective against excitotoxicity by inhibiting activation and proliferation of microglia. Tikka T, Fiebich BL, Goldsteins G, Keinanen R, Koistinaho J J Neurosci. 2001 Apr 15; 21(8):2580-8. PMID: 11306611. Abstract CommentRecommendBookmarkWatch