Magana: Amsoshin rigakafi masu aiki da yawa sun haɗa da ƙarshen rashin aiki na rigakafi, musamman cututtukan autoimmune. A nan, tsarin rigakafi ya kasa rarrabewa tsakanin kai da wanda ba kai ba, kuma ya kai hari ga wani ɓangare na jiki. A cikin yanayi na al'ada, yawancin ƙwayoyin T da ƙwayoyin rigakafi suna amsawa tare da peptides na "kai". Daya daga cikin ayyukan ƙwayoyin ƙwayoyin ƙwayoyin cuta (wanda ke cikin thymus da kashin kashin) shine gabatar da ƙwayoyin lymphocytes tare da antigens da aka samar a ko'ina cikin jiki da kuma kawar da waɗannan ƙwayoyin da suka gane antigen, hana autoimmunity. Tambaya: Menene tsarin rigakafi ya kai hari?
wani ɓangare na jiki