B and T Cell Collaboration in Health and Disease (W1)
January 1-5, 2028  | Location to be Determined
Carolyn King, Michelle A Linterman and Peter Sage
* Session Chair † Invited but not yet accepted | Program current as of September 2, 2026 11 PM | 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)
8:10–9:00 AM Keynote Address (Joint)
  Gabriel D Victora †, Rockefeller University/HHMI
Replaying Germinal Center Evolution
 
9:00–11:15 AM Germinal Center Biology (Joint)
  Peter Sage, Harvard Medical School
Altered Tfh-Tfr Communication in Generating Pathogenic B Cells in Allergies, Autoimmunity and Transplantation
 
  Carla R. Nowosad †, New York University
Germinal Center Responses at Mucosal Sites
 
  Oliver Bannard †, University of Oxford
Selection and Differentiation in Germinal Center B Cells
 
  Short Talk(s) Chosen from Abstracts
 
9:30–9:50 AM Coffee Break
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
5:00–7:00 PM Helper T Cell Differentiation and Function
  Andre Ballesteros Tato †, NIAID, National Institutes of Health
Tfh Cells: Key Instructors of Gut Tolerance
 
  Di Yu †, University of Queensland
Environmental and Dietary Factors Controlling Tfh Differentiation and Function
 
  Michela Locci †, University of Pennsylvania
Harnessing Tfh Cells for Durable, Broadly Protective Vaccine Responses
 
  Short Talk(s) Chosen from Abstracts
 
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 B Cell - T Cell Crosstalk in Mucosal Tissues
  Joanna Groom †, Walter and Eliza Hall Institute of Medical Research
Tumor Associated Tertiary Lymphoid Structures
 
  Carolyn King, University of Basel
Rethinking TLS: From Antibody Hubs to Tissue Regulators
 
  Jie Sun †, University of Virginia
Mechanisms of Superior Respiratory IgA Responses after Mucosal Vaccination
 
  Stephanie C. Eisenbarth †, Northwestern University Feinberg School of Medicine
The Many Enigmas of Gut IgA B Cells
 
  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 Pathogenic B and T Cell Populations
  Mark J. Shlomchik †, University of Pittsburgh School of Medicine
Extrafollicular Responses and ABCs
 
  Nicole Baumgarth †, Johns Hopkins Bloomberg School of Public Health
Non-Canonical B Cell Responses
 
  Joseph E. Craft †, Yale University
Cellular Immunopathogenesis in Lupus Nephritis
 
  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 Dysregulation of T-B Interactions in Immune-Mediated Disease
  Carl Feng †, University of Sydney
T-B Cell Interaction in Infection-Remodeled Lymph Node
 
  Jenna Kastenschmidt †, Roche
From Tissue to Target: Systems Immunology in Neuroinflammatory Disease
 
  Deepak Rao †, Brigham and Women's Hospital
T Peripheral Helper Cell Function in Arthritis and Lupus
 
  Michelle A Linterman, Malaghan Institute of Medical Research
Immune Responses to Vaccines in Aging
 
  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 Adaptive Responses to Infection and Vaccination
  Dirk Baumjohann †, University Hospital Bonn
T Follicular Helper Cell differentiation and Function in Vaccine Responses
 
  Christine S. Hopp †, Bernhard-Nocht-Institut für Tropenmedizin
Long-Term Effects of Infection on the B Cell Compartment
 
  Darrell J. Irvine †, Scripps Research Institute
Engineering Timing and Location of Immune Stimulation for Vaccines and Immunotherapies
 
  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 Cash Bar
8:00–11:00 PM Entertainment
Wednesday, January 5, 2028
12:00–11:59 PM Departure