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9 Cards in this Set

  • Front
  • Back

Autoimmunity mean...

Breakdown in Recognition and Immune System Destroys its own Tissues

Etiology يعني ايه

اسباب

Etiology

1. Microbial antigens


2. Superantigen


3. Altered self-Antigen


4. Trauma


5. Defect in deletion of self Reactive Lymphocytes during development and Maturation


6. ⬇️T Regulatory

Microbial antigens... With self-components. .. Superantigen... Induce.. Altered self-Antigen... Occ under effect of... Ex.. Trauma... Lead to.. Ex.. Defect in deletion of??? During development and Maturation

Cross-react



Polyclonal stimulation.



Drugs... Penicillin



Exposure of self-Antigens... Brain w cornea w lens of eye



Self Reactive Lymphocytes

Mech of TD Tissue damage

-AB mediated (Type 2 w 3 hypersensitivity)


-Cell-Mediated (Type 4 hypersensitivity)


-Mixed

Ex

Behcet's disease


Sjogren Syndrome


SLE Systemic lupus erythematosis

Behcet's disease... Cause : inflammation in.. Signs and symptoms

BV




-Mouth w genital sores


- Eye inflammation


- Skin rashes

Sjogren... Cause : injuries of w Signs and symptoms

moisture-producing glands



-Dryness in mouth w eyes


- other parts of body can be affected

SLE.... Which AB formed w Signs and symptoms : what organ can affected w where ulcer May happened .. Type of disease

ANA antinuclear



many diff body systems ... Mouth and nose



Immune Complex mediated