20th International
p53 Workshop

Toronto, Canada
April 27 - May 1, 2026

(updated: 2026-01-28)

20th INTERNATIONAL p53 WORKSHOP
WORKSHOP PROGRAM

SickKids Peter Gilgan Centre for Research and Learning, Toronto, ON
April 27- May 1, 2026
Rooms: Gallery, Event Rooms 2a/2b (second floor) and Event Rooms 3a/3b (third Floor)

Registration: 7:00 am to 5:00 pm- April 28-30 

Monday, April 27, 2026
3:00 – 6:00pm Registration  
6:00 - 9:00 pm  Welcome Reception 22nd Floor Patient Support Centre, Hospital for Sick Children
Tuesday, April 28, 2026
7:00 – 8:30am Sign in and Breakfast PGRL Gallery
8:30 – 9:15 Introductory remarks and welcome  Org Committee Chairs + Chiefs of Research (SK, UHN, MSH)
Session 1: A tribute to Pierre Hainaut- 9:15-11:30- Moderator: TBD
Emilie Montellier Determinants of Phenotypic Variability in the Li-Fraumeni Syndrome. University of Grenoble Alpes
Arnold Levine The role of the Diversity box and the P2 promoter in Dense Associative Memory of gene expression. Institute for Advanced Studies, Princeton
Christian Kratz Research Update from the Li-Fraumeni Syndrome Registry in Germany. University of Hannover
David Malkin Exploring the complex relationship of p53 and Li-Fraumeni Syndrome: Translating Discovery Science into the Clinic. The Hospital for Sick Children
11:30-1:00 Lunch PGRL Gallery
Session 2:  p53 and the Dark Genome-1:00-3:15- Moderator: TBD
Kathleen Burns Transposable elements and tumor suppressor genes. Dana-Farber Cancer Institute
John Abrams p53 Biology Meets Jumping Genes. UT Southwester Medical Center
Andrei Gudkov TBD Roswell Park Comprehensive Cancer Center
Martin Fischer Genome regulation by p53. Fritz Lipmann Institute
Raul Rabadan Illuminating the Dark Cancer Genome using Foundation Models. Columbia University
3:15-4:15 Break PGRL Gallery
Session 3:  p53 and Cancer Evolution- 4:15-5:45- Moderator: TBD
Gigi Lozano Mutant p53 proteins in tumor evolution and dissemination. MD Anderson Cancer Center
Scott Lowe Mimicking p53 for cancer therapy. Memorial Sloan-Kettering Cancer Center
Giannino Del Sal Mutant p53 and the Mechanics of Tumor Adaptation: Metabolic, Nuclear, and Immune Interfaces. University of Trieste, ICGEB, and IFOM
Fritz Vollrath Elephants in our Room. Oxford University
END OF DAY 1
Wednesday, April 29, 2026
7:00 – 8:00 am Breakfast PGRL Gallery
Session 4: Targeting p53- 8:00-10:15- Moderator: TBD
Kanaga Sabapathy p53 as a target for cancer prevention and therapy. Nanyang Technological University
Galina Selivanova p53, inflammation and microbiome. Karolinska Institute
Klas Wiman Novel strategies for targeting missense and nonsense mutant TP53 in cancer. Karolinska Institute
Andreas Strasser Which attributes of mutant p53 proteins should be targeted for cancer therapy?  Walter and Eliza Hall Institute of Medical Research
Shelley Berger Epigenetic pathways as targets in human cancer. Unniversity of Pennsylvania
10:15-11:15 Break PGRL Gallery
Session 5:  p53 Interception and prevention- 11:15-1:00- Moderator: TBD
Bowen Li Development of programmable mRNA nanomedicines for precision cancer immunotherapy. University of Toronto
Jason Berman Zebrafish Models: Illuminating Cancer Prevention Pathways in p53-Mediated Tumors. University of Ottawa
Vinod Balachandran RNA vaccines for Pancreatic cancer. Memorial Sloan-Kettering Cancer Center
Sarah Blagden Learning from LungVax, is now the time for LFS-Vax? Oxford University
Session 6:   Presentations  from Proffered Abstracts- 1:00-1:45- Moderator: TBD
1:45-2:30 Lunch PGRL Gallery
POSTER SESSION #1- 2:30-4:00pm
Session 7:  p53, Immunity and Autoimmunity- 4:00-6:00pm- Moderator: TBD
Xin Liu P53, EBV and p53 autoantibodies. Oxford University
Trevor Pugh Cell-free DNA for early detection of cancer and immune responses in Li-Fraumeni Syndrome. Ontario Institute for Cancer Research
Moshe Oren p53 regulates histone modifications to promote mature luminal identity . Weizmann Institute of Science
Benjamin Greenbaum Evolutionary and immune trade-offs yield vulnerabilities for p53. Memorial Sloan Kettering Cancer Center
Uri Tabori The role of TP53 mutations in tumor initiation, progression and immune response of replication repair deficient cancers. The Hospital for Sick Children
END OF DAY 2
SOCIAL EVENT- WORKSHOP-WIDE DINNER
Thursday, April 30, 2026
7:00 – 8:30 am Breakfast PGRL Gallery
Session 8: p53 Structure and Function (Wildtype and Mutant)- 8:30-10:15am- Moderator: TBD
Carol Prives (Keynote talk) Structural and functional studies of wild-type and mutant p53 proteins. Columbia University
Ran Kafri Preventing the onset of cancers in Li Fraumeni Syndrome. The Hospital for Sick Children
Jim Manfredi Transcriptional regulation by wild-type and mutant p53. Mount Sinai School of Medicine
Wei Gu Understanding the complexity of p53-mediated activities in tumor suppression.  Columbia University
10:15-10:45 Break PGRL Gallery
Session 9: p53 and Cell Cycle Disruption- 10:45-12:15- Moderator: TBD
Andrei Budanov Sestrins in the regulation of different types of cell death. Trinity College Dublin
Francis Barr Integrating mitotic checkpoint activation with p53-dependent cell cycle arrest. Oxford University
Galit Lahav p53 Dynamics and Decision Making in Single Cells. Harvard University
Karen Oegma The mitotic stopwatch intersects with basal p53 activation to control cell proliferation. University of California- San Diego
12:15-1:30 Lunch PGRL Gallery
POSTER SESSION #2- 1:30-3:00pm
Session 10:  Presentations from Proffered Abstracts- 3:00-3:45 Moderator: TBD
Session 11: p53 and Genomic Instability I- 3:45-5:00- Moderator: TBD
Batsheva Kerem Hypertranscription caused by P53 deficiency triggers nucleotide insufficiency that induces replication stress and genomic instability. Hebrew University
Daniel Schramek Systematic identification of novel intrinsic and extrinsic regulators of wild-type and mutant p53 stability. Lunenfeld Institute, Mount Sinai Hospital
David Kirsch p53 regulates metabolism to maintain chromosomal stability. Princess Margaret Cancer Centre
Session 12: p53 and Genomic Instability II- 5:00-6:00- Moderator: TBD
Laura Attardi Deciphering how p53 governs cell state transitions in cancer and injury repair. Stanford University
Gerry Melino TBD University of Tor Vergata
END OF DAY 3
SOCIAL EVENT- SPEAKER DINNER
Friday, May 1, 2026
7:00 – 8:30 am Breakfast PGRL Gallery
Session 13:  p53 Partners and Interactors- 8:30-10:45- Moderator: TBD
Maureen Murphy Making a dumb protein smart: PADI4 citrullinates p53 to enhance tumor suppression.  The Wistar Institute
Tomer Cooks Out of the cell: extracellular p53-based interactions.  Ben-Gurion University
David Lane Regulation of the p53 pathway by CDK inhibition, splicing and transcription. Karolinska Institute
Jean-Christophe Bourdon What is p53? A Discussion Comparing the Single-Protein Model and the Multi-Isoform Model. The University of Dundee
Giovanni Blandino TP53 mutations and cancer resistance. Regina Elena National Cancer Institute
10:45-11:15 Break PGRL Gallery
Session 14: p53 and MDM2- 11:15-12:05- Moderator: TBD
Christine Eischen Bi-functional MDM2 degrader increases efficacy against mutant p53 cancer. Thomas Jefferson University
Matthias Dobbelstein Regulator and effector of p53 – the expanding role of MDM2.  University Medical Center Göttingen
Session 15: p53 in the clinic- 12:05-1:00- Moderator: TBD
Kara Maxwell P53 hypomorphs - from biology to clinical practice in adults. University of Pennsylvania
Judy Garber Clinical Updates from the LiFT UP Project. Dana-Farber Cancer Institute
POSTER AWARDS CEREMONY AND CLOSING REMARKS (1:00-1:30)