Keystone Symposia Meeting

Meeting Details  

Lymphocyte Activation and Gene Expression (B8)

Organizer(s): Leslie J. Berg, Lawrence E. Samelson and Facundo D. Batista
February 27 - March 4, 2010
Beaver Run Resort  ·  Breckenridge, Colorado
Abstract Deadline: October 27, 2009
Late Abstract Deadline: November 30, 2009
Scholarship Deadline: October 27, 2009
Early Registration Deadline: December 28, 2009


Sponsored by Amgen Inc., Genzyme Corporation and Novo Nordisk A/S



This meeting took place in the 2010 season.

For a complete list of the meetings for the upcoming/current season,
see our meeting list, or search for a meeting.
Summary of Meeting
Lymphocytes mediate the adaptive immune responses to antigens derived from infectious agents, transformed cells, transplanted organs and, in the setting of autoimmunity, ones own cells. The study of lymphocyte activation and gene expression is central to understanding the complex biology of these cells and offers hope for regulating these cells in different clinical settings. Much has been learned in the past several decades in this field. Receptors, enzymes and adapter molecules have been identified, signaling cascades and networks have been defined, and the complex regulation of gene expression has been explored. Nonetheless many basic questions remain to be elucidated. Among several contentious areas of research that will be presented by experts at this meeting are the actual means by which antigen receptors initiate the activation process, how activation induces changes in signaling pathways, intracellular organelles and the cytoskeleton, and how changes in chromatin and transcriptional factors determine gene expression.

Saturday, February 27
3:00 - 7:30 PM Registration Foyer
6:30 - 7:30 AM Refreshments Foyer
7:30 - 8:30 PM Keynote Address: The TCR Peak 5
* Lawrence E. Samelson, National Institutes of Health
Mark M. Davis, Stanford University
T-Cell Receptor Signaling
Sunday, February 28
7:00 - 8:00 AM Breakfast Summit Gallery
8:00 - 11:15 AM Initiation of Antigen Receptor Signaling Peak 5
* Susan K. Pierce, NIAID, National Institutes of Health
The Molecular Mechanisms Underlying the Initiation of BCR Signaling
Phillip Anton van der Merwe, University of Oxford
Molecular Mechanism of TCR Triggering
Balbino Alarcón, CSIC-Universidad Autonoma de Madrid
Intramolecular Mechanism for Transmission of the Conformational Change in the TCR
Arup K. Chakraborty, Massachusetts Institute of Technology
How T Cells “See” Antigen
Nina C. Hartman, University of California, Berkeley
Short Talk: The Regulation of Protein Spatial Sorting and its Effect on T Cell Signaling in the Immunological Synapse
Mira Barda-Saad, Bar Ilan University
Short Talk: THE NEGATIVE REGULATION MECHANISM OF THE WISKOTT-ALDRICH SYNDROME PROTEIN
9:20 - 9:40 AM Coffee Break Foyer
11:15 AM - On Own for Lunch and Recreation
11:15 AM - 1:00 PM Poster Setup Peaks 1-4
1:00 - 10:00 PM Poster Viewing Peaks 1-4
4:30 - 5:00 PM Coffee Available Foyer
5:00 - 7:00 PM Cell Biology of Lymphocyte Activation Peak 5
Facundo D. Batista, London Research Institute, Cancer Research UK
Interplay between the BCR and Cytoskeleton: A Mechanism to Regulate Lymphocyte Activation and Tonic Signaling?
* Gillian Griffiths, Cambridge Institute for Medical Research
The Immunological Synapse: A Focal Point for Exocytosis and Endocytosis
Matthew F. Krummel, University of California, San Francisco
The Interplay of T Motility and Signaling
Sarah Russell, Swinburne University of Technology
Short Talk: Orchestratation of Lymphocyte Fate by the Polarity Network
7:00 - 8:00 PM Social Hour w/ Lite Bites Peaks 1-4
7:30 - 10:00 PM Poster Session 1 Peaks 1-4
Monday, March 1
7:00 - 8:00 AM Poster Setup Peaks 1-4
7:00 - 8:00 AM Breakfast Summit Gallery
8:00 - 11:15 AM Transcriptional Regulation and Chromatin Remodeling during Lymphocyte Activation Peak 5
* Anjana Rao, Harvard Medical School
Ca Signaling and Transcription Regulation in Lymphocytes
Steven L. Reiner, University of Pennsylvania
Specifying the T Cell Fates Required for Immunity
Joonsoo Kang, University of Massachusetts Medical School
Transcriptional Regulation of alpha-beta vs. gamma-delta T Cell Lineage Commitment
Casey T. Weaver, University of Alabama at Birmingham
Gene Expression and the TH17 Response
Michael J. Pazin, National Institute of Aging, National Institutes of Health
Short Talk: The Chromatin Remodeling Landscape of T Helper Cell Differentiation
Robert J. Johnston, La Jolla Institute for Allergy & Immunology
Short Talk: Bcl6 and Blimp-1 are Reciprocal and Antagonistic Regulators of T Follicular Helper Cell Differentiation
8:00 AM - 5:00 PM Poster Viewing Peaks 1-4
9:20 - 9:40 AM Coffee Break Foyer
11:30 AM - 12:30 PM Lunch
12:30 - 2:30 PM Poster Session 2 Peaks 1-4
2:30 - 4:30 PM Workshop 1: Early Events in Lymphocyte Activation Peak 5
* Arthur Weiss, University of California, San Francisco
Melania Capasso, MRC Toxicology Unit
Control of B Cell Activation and Metabolism by the Voltage-Gated Proton Channel HVCN1
Olga Anna Ksionda, NIMR
The Role of the Localization of Vav1 during T Cell Activation
Aaron J. Marshall, University of Manitoba
The Phosphoinositide 3-Kinase Effector Molecule Bam32/DAPP1 Promotes B Cell Adhesion and Formation of Polarized Conjugates with T Cells
David Oh, Stanford University
Ca2+ Signaling and the Regulation of Thymocyte Mobility during Negative Selection in Thymic Slices
Hanne L. Ostergaard, University of Alberta
Regulation of the Tyrosine Kinase Pyk2 By Calcium in Cytotoxic T Lymphocytes
Bruno Silva-Santos, University of Lisbon
Differential Requirements on TCR/ CD27 versus TLR Signaling for Activation of Discrete Pro-Inflammatory gamma-delta T Cell Subsets
Neetu Gupta, Cleveland Clinic Foundation
Regulation of Antigen-Dependent B Cell Activation by Tyrosine and Threonine Phosphorylation of the ERM Family Protein Ezrin
Steve R. Roffler, Academia Sinica
Mechanical Forces Acting on the T Cell Receptor Complex Can Trigger TCR Signaling
4:30 - 5:00 PM Coffee Available Foyer
5:00 - 7:00 PM Downstream Pathways of Antigen Receptor Signaling I Peak 5
* Doreen A. Cantrell, University of Dundee
The Function of Protein Kinase B/Akt in Peripheral T Cells
Pamela L. Schwartzberg, NHGRI, National Institutes of Health
Altered T Cell Function in Mice Deficient in SAP, a Model for X-Linked Lymphoproliferative Disease
Bernard Malissen, Centre d'Immunologie de Marseille-Luminy
Th2 Lymphoproliferative Disorders Resulting from Defective LAT Signalosomes
Debbie A. Yablonski, Technion - Israel Institute of Technology
Short Talk: Regulatory Interactions within the SLP-76-Nucleated Complex
Morgan Huse, Sloan-Kettering Cancer Center
Short Talk: Probing Inhibitory Signaling Dynamics in NK Cells by Photostimulation
Michelle Krogsgaard, New York University School of Medicine
Short Talk:
7:00 PM - On Own for Dinner Peaks 1-4
Tuesday, March 2
7:00 - 8:00 AM Breakfast Summit Gallery
8:00 - 11:15 AM Downstream Pathways of Antigen Receptor Signaling II Peak 5
Arthur Weiss, University of California, San Francisco
Turning T Cells Off and On with Small Molecule Inhibitors of Tyrosine Kinases
Andrey S. Shaw, Washington University School of Medicine
Imaging T Cell Activation
Juergen Wienands, Georg August University of Goettingen
Short Talk: Composition and Dynamic Assembly of B Cell Signalosomes as Revealed by Functional Proteomics
* Gary A. Koretzky, University of Pennsylvania School of Medicine
Role of SLP-76 in Immune Cell Development and Function
Bridget S. Wilson, University of New Mexico School of Medicine
High Resolution Imaging of Fc[epislon]RI Organization and Receptor Dynamics: Immobilization is not a Requirement for Signal Initiation
Stephen C. Bunnell, Tufts University School of Medicine
Short Talk: VLA-4 Inhibits the Centralization of SLP-76 Microclusters by Resisting the Contraction of Myosin IIA Filaments
9:20 - 9:40 AM Coffee Break Foyer
11:15 AM - 1:00 PM Poster Setup Peaks 1-4
11:15 AM - On Own for Lunch and Recreation
1:00 - 10:00 PM Poster Viewing Peaks 1-4
4:30 - 5:00 PM Coffee Available Foyer
5:00 - 7:00 PM Downstream Pathways of Antigen Receptor Signaling III Peak 5
* Leslie J. Berg, University of Massachusetts Medical Center
Tec Kinases in T Cell Differentiation
Lawrence E. Samelson, National Institutes of Health
Signaling at the TCR
Richard S. Lewis, Stanford University School of Medicine
Molecular Mechanisms for Activation and Inactivation of Calcium Channels in T Cells
Patrick G. Hogan, Harvard Medical School
Short Talk: Minimal Requirement for Store-Operated Calcium Entry: STIM1 Gates ORAI1 Channels in vitro
7:00 - 8:00 PM Social Hour w/ Lite Bites Peaks 1-4
7:30 - 10:00 PM Poster Session 3 Peaks 1-4
Wednesday, March 3
7:00 - 8:00 AM Breakfast Summit Gallery
8:00 - 11:15 AM Visualization of Lymphocyte Activation Peak 5
* Ellen A. Robey, University of California, Berkeley
Visualizing Thymic Selection in situ
Michael L. Dustin, New York University School of Medicine
Immunological Synapse Formation in Normal and Pathological Immune Responses
Ronald N. Germain, NIAID, National Institutes of Health
Cell Dynamics during the Initiation and Effector Phases of Adaptive Immune Responses
Takashi Saito, RIKEN Center for Allergy and Immunology
Molecular Dynamics for T-Cell Activation and Co-stimulation
Daniel M. Davis, Imperial College London
Short Talk: Membrane Nanotubes Support Sub-Micron Scale Immune Synapses and Aid Cytolysis of Distant Target Cells
Philippe Bousso, Institute Pasteur
Short Talk: Intravital Imaging Reveals Distinct Dynamics of NK Cells and CD8+ T Cells during Effector Function in Solid Tumors
9:20 - 9:40 AM Coffee Break Foyer
11:15 AM - On Own for Lunch and Recreation
2:30 - 4:30 PM Workshop 2: Late Events in Lymphocyte Activation Peak 5
* Pamela L. Schwartzberg, NHGRI, National Institutes of Health
Mark R. Boothby, Vanderbilt University Medical Center
Stage-Specific Essential Roles of Rictor, a Mammalian Target of Rapamycin Complex 2 (mTORC2) Subunit, in T Cell Differentiation Define a Bifurcation in the Signal Relay
Jennifer L. Cannons, National Institutes of Health
A Multi-Stage T:B Lymphocyte Adhesion Process is Required for Germinal Centre Responses
Greg M. Delgoffe, Johns Hopkins University School of Medicine
The mTOR Signaling Complexes TORC1 and TORC2 Selectively Regulate CD4+ T Cell Differentiation
Guo Fu, The Scripps Research Institute
Themis Regulates Thymocyte Signaling
Katrina L. Randall, John Curtin School of Medical Research
DOCK8 Mutations Cripple B Cell Immune Synapse Formation, Germinal Centers and Long-Lived Antibody Production
Yuri K. Sykulev, Thomas Jefferson University
Kinetics of Early TCR Signaling Influences the Path of Granule Delivery by CTL
Bazarragchaa Damdinsuren, National Institute on Aging, National Institutes of Health
Single-Round of Antigen Receptor Signaling Programs Naive B Cells to Receive T Cell Help
Vanessa Hubbard, Albert Einstein College Of Medicine
Macroautophagy Regulates CD4+ T Cell Function
4:30 - 5:00 PM Coffee Available Foyer
5:00 - 7:00 PM Regulation of the Immune Response by microRNA
Session supported in part by the Juvenile Diabetes Research Foundation
Peak 5
* Matthias Merkenschlager, Imperial College London
Cohesins and Gene Expression: From Proof-of-Principle Towards Cell Lineage- and Developmental Stage-Specific Regulation
Carola G. Vinuesa, Australian National University
Role of Bcl-6 in Specializing the Function of T Follicular Helper Cells
Li-Fan Lu, Memorial Sloan-Kettering Cancer Center
Short Talk: Function of miR-146a in Controlling Treg Cell-Mediated Regulation of TH1 Responses
Anna Barbara Stittrich, German Arthritis Research Center
Short Talk: MicroRNA-182 Promotes Clonal Expansion of Activated T Helper Cells
7:00 - 8:00 PM Social Hour w/ Lite Bites Peaks 1-4
8:00 - 11:00 PM Entertainment Peaks 1-4
Thursday, March 4
Departure
*Session Chair   †Speaker invited, not yet responded.



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