Maternal T Cells in the Human Placental Villi Support an Allograft Response during Noninfectious Villitis

Elizabeth Ann L. Enninga,* Patrick Raber,† Reade A. Quinton,‡ Rodrigo Ruano,* Nadia Ikumi,x Clive M. Gray,x Erica L. Johnson,{ Rana Chakraborty,*,‖,# and Sarah E. Kerr**; *Department of Obstetrics and Gynecology, Mayo Clinic, Rochester, MN 55905; †Adaptive Biotechnologies, Seattle, WA 98102; ‡Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN 55905; xDivision of Immunology, In- stitute of Infectious Disease and Molecular Medicine, Department of Pathology, University of Cape Town, Cape Town, South Africa 7791; {Division of Infectious Diseases, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA 30322; ‖Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN 55905; #Department of Immunology, Mayo Clinic, Rochester, MN 55905; and **Hospital Pathology Associates, Minneapolis, MN 55407