Single-cell mRNA analysis of colon tissue during DSS colitis in CX3CR1cre/+EP4fl/fl mice suggests PGE2 signaling via EP4 promotes survival of protective macrophages
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: Single-cell mRNA analysis of colon tissue during DSS colitis in CX3CR1cre/+EP4fl/fl mice suggests PGE2 signaling via EP4 promotes survival of protective macrophages ### Output: 