autoaggressive

adjective
au·​to·​ag·​gres·​sive | \ ˌȯ-tō-ə-ˈgre-siv How to pronounce autoaggressive (audio) \

Medical Definition of autoaggressive

: relating to or being antibodies or T cells that attack the molecules, cells, or tissues of the organism producing them : autoimmune Ideally, one would like to modulate or eliminate the autoaggressive T cells but leave the remaining immune system intact.— Hartmut Wekerle and Reinhard Hohlfeld, The New England Journal of Medicine, 10 July 2003