“Lactobacillus—a type of bacteria thought to promote gut health—can alter the function of immune cells called macrophages in the pancreatic tumor environment and spur cancer growth, the researchers found”
read medXpress press release.
Paper: https://www.cell.com/immunity/fulltext/S1074-7613(22)00035-8
Tryptophan-derived microbial metabolites activate the aryl hydrocarbon receptor in tumor-associated macrophages to suppress anti-tumor immunityHezaveh, Kebria et al.Immunity, Volume 55, Issue 2, 324 – 340.e8