Barrier Immunity: Sensing, Coordination, and Defense at the Host-Environment Interface (W3)
January 1-5, 2028  | Location to be Determined
* Session Chair † Invited but not yet accepted | Program current as of September 23, 2026 2 AM | For the most up-to-date details, visit https://www.keystonesymposia.org
Saturday, January 1, 2028
4:00–8:00 PM Registration
6:00–8:00 PM Welcome Mixer
Sunday, January 2, 2028
7:00–8:00 AM Breakfast
8:00–8:10 AM Welcome Remarks (Joint)
8:10–9:30 AM Keynote Session (Joint)
  Bana Jabri †, University of Chicago
Diet and Microbial Recognition in Tolerance and Intestinal Disease
 
  Bruce S Klein †, University of Wisconsin Madison
Vaccine Immunity to Dimorphic Fungi
 
9:30–9:50 AM Coffee Break
9:30–11:15 AM Coordination of Mucosal and Antifungal Immune Responses (Joint)
  Petra Bacher †, University Kiel
Cross-Reactive Antifungal T Cells in Health and Disease
 
  Ivan Zanoni †, Harvard Medical School - Boston Children’s Hospital
Danger Signals at the Barrier (Lung)
 
  Short Talk(s) Chosen from Abstracts
 
11:15–1:00 PM Poster Setup
11:15–5:00 PM On Own for Lunch
1:00–10:00 PM Poster Viewing
2:30–4:30 PM Symposia Spotlight 1
  Short Talks Chosen from Abstracts
 
4:30–5:00 PM Coffee Available
5:00–6:00 PM Mucosal Immune Coordination Across Barrier Sites
  Molly A Ingersoll, Institut Cochin & Institut Pasteur
Mucosal Immunity in the Bladder
 
  Carolyn King †, University of Basel
Vaccination for Mucosal T Cells (Lung Immunology)
 
  Isabella Rauch †, Oregon Health and Science University
Microbial Drivers of Epithelial Pyroptosis
 
  Short Talk(s) Chosen from Abstracts
 
6:00–7:00 PM Immune Organization in the Tissue
  Shruti Naik †, Icahn School of Medicine at Mount Sinai
Spatial Organization of Tissue Damage and Repair in the Skin
 
  Shannon J Turley †, Amgen Inc.
Fibroblasts as Architects of Immune Cell Residency in Barrier Tissues
 
7:00–8:00 PM Social Hour with Dinner
7:30–10:00 PM Posters
Monday, January 3, 2028
7:00–8:00 AM Breakfast
8:00–11:00 AM The Microbiota in Health and Disease
  Lora V. Hooper †, University of Texas Southwestern Medical Center
Intestinal Epithelial Responses to the Microbiota
 
  Meghan A Koch †, Fred Hutchinson Cancer Research
Maternal IgA-Mediated Immunity across Mucosal Barriers
 
  Dan R. Littman †, HHMI/New York University School of Medicine
Induction of Tolerogenic T Cell Responses in the Intestine
 
  Short Talk(s) Chosen from Abstracts
 
9:00–9:20 AM Coffee Break
11:00–1:00 PM Poster Setup
11:00–5:00 PM On Own for Lunch
1:00–10:00 PM Poster Viewing
3:00–4:30 PM Career Roundtable
4:30–5:00 PM Coffee Available
5:00–7:00 PM Sensing and Integrating Signals at Barrier Sites
  Gretchen E. Diehl, Memorial Sloan Kettering Cancer Center
Microbial Drivers of Macrophage Effector Function in the Intestine
 
  Sarah L Gaffen †, University of Pittsburgh
Regulation of IL-17 Responses in Oral Mucosa
 
  Cara MM Williams †, Pfizer Inc.
Translational Insights into Lung Barrier Immunity
 
  Short Talk(s) Chosen from Abstracts
 
7:00–8:00 PM Social Hour with Dinner
7:30–10:00 PM Posters
Tuesday, January 4, 2028
7:00–8:00 AM Breakfast
8:00–11:00 AM Innate Cells at the Barrier
  Andrés Hidalgo †, Yale School of Medicine
Neutrophil Protection of the Skin
 
  Clare M. Lloyd †, Imperial College London
Sex Differences in Inflammatory Disease of the Lung
 
  Arthur Mortha †, University of Toronto
Goblet Cells Drive ILC2 Activity
 
  Short Talk(s) Chosen from Abstracts
 
9:00–9:20 AM Coffee Break
11:00–5:00 PM On Own for Lunch
2:30–4:30 PM Symposia Spotlight 2
  Short Talks Chosen from Abstracts
 
4:30–5:00 PM Coffee Available
5:00–6:45 PM Therapeutic and Translational Horizons
  Randy S. Longman, Weill Cornell Medical College
Regulating Barrier Immunity in IBD
 
  Tiffany C. Scharschmidt †, University of California, San Francisco
Development of Immune Responses in the Skin
 
  Denise Morais da Fonseca †, University of São Paulo
Mucosal Immune Mechanisms Informing Therapeutic Targets in Barrier Disease
 
  Short Talk(s) Chosen from Abstracts
 
6:45–7:00 PM Meeting Wrap-Up: Outcomes and Future Directions
7:00–8:00 PM Social Hour with Dinner
8:00–11:00 PM Entertainment
8:00–11:00 PM Cash Bar
Wednesday, January 5, 2028
12:00–11:59 PM Departure