Changes

* [[Type IV Hypersensitivity - WikiBlood|Type IV hypersensitivity]]

* [[Type IV Hypersensitivity - WikiBlood|Type IV hypersensitivity]]

* The CTLs think that all the beta cells in the pancreas are infected by a virus, as it wrongly detects a self antigen presented by the MHC class I on the surface of the cell as foreign.  

* The CTLs think that all the beta cells in the pancreas are infected by a virus, as it wrongly detects a self antigen presented by the MHC class I on the surface of the cell as foreign.  

* Autoreactive CD8+ CTLs are inadvertently activated destroying the beta cells thus preventing the secretion of insulin and causing diabetes type 1 (see diagram).

* Autoreactive CD8+ CTLs are inadvertently activated, destroying the beta cells, thus preventing the secretion of insulin and causing diabetes type 1 (see diagram).

===3. Hypothyroidism (lymphocytic throiditis)===

===3. Hypothyroidism (lymphocytic throiditis)===