AB821 is a CD8+ T cell selective IL-21 with enhanced bioavailability that reduces CD8+ T cell exhaustion to induce potent antitumor activity
AB821
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: Identify all the mentioned drugs in the given text. Text may or may not contain drug. If they contain more than 1 drug, use ";" as delimiter and join them. ### Input: AB821 is a CD8+ T cell selective IL-21 with enhanced bioavailability that reduces CD8+ T cell exhaustion to induce potent antitumor activity ### Output: AB821