Provide insights into how corticosteroids alleviate symptoms of various inflammatory conditions. Discuss how corticosteroids exert anti-inflammatory and immunosuppressive effects by modulating gene expression and inhibiting pro-inflammatory signaling pathways, thereby mitigating inflammation and immune-mediated damage.

Elaborate on how immunosuppressant drugs prevent organ rejection in transplant patients. Discuss how immunosuppressants dampen the immune response by targeting specific immune cells or pathways involved in alloreactivity, thereby preventing rejection of transplanted organs or tissues.