Table 1. Immune cells of the female reproductive tract.
Summary of the function and distribution of cells in the upper female reproductive tract (Fallopian tubes, uterine and endocervical mucosa) and the lower female reproductive tract (ectocervical and vaginal mucosa). Distribution of cells (upper vs lower) is expressed relative to each other.
Cell | Role | Function | Upper | Lower |
---|---|---|---|---|
Epithelial Cells | Innate | Physical Barrier Mucin production Broad spectrum antimicrobials (uterine) pIgR mediated IgA transport (uterine) |
Single Cuboidal | Stratified Squamous |
Neutrophils | Innate | Phagocytosis Antimicrobial α defensins |
High | Low |
Dendritic/Lange rhans | Innate | Antigen presentation | High | Low |
Macrophages | Innate | Phagocytosis (includes antibody bound pathogens) Antigen presentation |
High | low |
Natural Killer | Innate | Apoptosis of infected cell | Low | High |
CD4+ T cells | Adaptive | TH-1 Cell Mediated Responses IFN secretion – antiviral activity |
High | Low |
CD8+ cells | Adaptive | TH-1 Cell Mediated Responses Apoptosis of infected cells |
High | Low |
B Cells | Adaptive | TH2 Humoral responses Maturation into IgA/IgG secreting plasma cells |
lgG<?>lgA | lgG>lgA |
For adaptive responses, cell distribution is dependant on inflammation site in FRT