Due to certain causes an impact on the body (physical, chemical, biological, pathological ...) makes some cells, the tissue of the body's organs were hurting deeply altering the structure of its availability, resulting in immune organs of the body is no longer capable of recognizing and KT to against the Agency.For example: viral hepatitis: viral liver cell structure change, the body born antibodies against causing chronic liver inflammation. Diseases myocardial infarction cardiac cells, hurting some substances do mutant cells (tumor cells).
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