Enhanced frequency and function of follicular T cells in the tonsils of house dust mite-sensitized children Keywords: allergens and epitopes; B cells; mucosal immunology; pediatrics; T cells EN allergens and epitopes B cells mucosal immunology pediatrics T cells 1240 1243 4 05/20/20 20200501 NES 200501 Abbreviations GC germinal center HDM house dust mite OSA obstructive sleep apnea TFH T follicular helper cells TFR T follicular regulatory cells T follicular helper cells (TFH) are a specialized subset of CD4 SP + sp T cells that regulate B cell responses within the germinal center (GC). CD4 SP + sp T cells associated with B cell follicles were separated into those found within the GC, GC TFH (CXCR5 SP hi sp PD1 SP hi sp Foxp3 SP - sp CD25 SP - sp ), and those that reside outside of the GC, non-GC TFH (CXCR5 SP int sp PD1 SP int sp Foxp3 SP - sp CD25 SP - sp ). [Extracted from the article]