Allow Aloe to Do the Work: <i>Aloe vera</i> Constrains Growth of Bladder Cancer Cells and Modulates Expression of Key Costimulatory Molecules

<i>Aloe vera</i> inhibits bladder cancer growth. <i>Aloe vera</i> upregulates the expression of <i>ICAM2</i> and <i>4-1BBL</i> and downregulates the expression of <i>PDL1</i> and <i>PDL2</i>.