<s>[INST] Given an abstract text, please determine whether it contains any drug mentions. Provide a 'Yes' or 'No' answer based on the presence or absence of drugs. Abstract Text: Bifidobacterium Bifidum Prevents Cytokine Induced Increase In Intestinal Tight Junction Permeability By A Novel Mechanism:Crosstalk Between Ppar-G, Nf-Kb And Mlck[/INST] Yes</s>