<prompt> A widely used drug that suppresses cellular immunity inhibits prostaglandin and leukotriene synthesis and increases the catabolism of IgG antibody is :CyclophosphamidePrednisoneCyclosporineInfliximab  <response>: Glucocorticoids are powerful immunosuppressants. These inhibit both cellular and humoral immunity by:Decreasing the recruitment of immune cells.Catabolism of immunoglobulins.Inhibiting the enzyme phospholipase A2 resulting in decreased production of PGs, LTs and TXs. 