APPLICATION OF B. FRAGILIS OR AKKERMANSIA MUCINIPHILA IN PREPARATION OF DRUG FOR PREVENTING OR TREATING TUMOR

摘要

Provided is a use of Bacteroides fragilis or Akkermansia muciniphila in the preparation of a drug for preventing or treating tumors, wherein the drug promotes infiltration or accumulation of CD8 positive cytotoxic T lymphocyte in tumor microenvironment. Also provided is a use of a pharmaceutical composition, foodstuff, health product or food additive in preventing and/or treating tumors, wherein the pharmaceutical composition, foodstuff, health product or food additive includes Bacteroides fragilis or Akkermansia muciniphila, and promotes infiltration or accumulation of CD8 positive cytotoxic T lymphocytes in tumor microenvironment.