Follicular helper T cell enhancer

摘要

PROBLEM TO BE SOLVED: To provide means for proliferating follicular helper T cells (Tfh cells), with a high level of safety, for example, a Tfh cell proliferation agent administered to a subject whose immune function decreases due to aging.SOLUTION: Lactic acid bacteria belonging to Lactobacillus, for example, Lactobacillus paracasei MCC1849(NITE BP-01633), is used as an active ingredient of medicines, foods and drinks, or feed for Tfh cell proliferation.SELECTED DRAWING: None