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Regulation of protein trafficking and function by palmitoylation

23—25 August 2012

St Anne's College, Oxford, UK



Meeting background

Post-translational modifications play a major role in controlling protein function. Palmitoylation, which generally involves the attachment of palmitic acid groups onto cysteine residues, has emerged as a dynamic and versatile protein regulator. This modification impacts protein trafficking, membrane micro-localisation, protein-protein interactions, and protein stability. A diverse array of proteins are modified by palmitoylation, including neurotransmitter receptors, ion channels, G proteins and G protein-coupled receptors, kinases, secreted signalling proteins and a variety of other signalling molecules. The study of palmitoylation is rapidly advancing, driven by key methodological developments, proteomic profiling of the cellular palmitoylome, and the identification of two families of palmitoylating enzymes: the large ‘DHHC’ family and the ‘MBOAT’ family. This meeting will bring together leading scientists in the field to highlight the most recent breakthroughs in palmitoylation research.

Organizers:
Luke Chamberlain (University of Strathclyde, United Kingdom)
Tony Magee (Imperial College London, United Kingdom)
Thursday 23 August 2012
13:00 - 14:00 Registration

Session 1

 

Chair:
Luke Chamberlain (University of Strathclyde, United Kingdom)
Thursday 23 August 2012
14:00 - 14:30
Mechanism and function of DHHC S-Acyltransferases
Maurine Linder (Cornell University, U.S.A.)
14:30 - 15:00
Tracking palmitoylation change in brain disease
Nicholas Davis (Wayne State University, Detroit, U.S.A.)
15:00 - 15:30
The Role of Palmitoylation in the Pathogenesis of Huntington disease
Michael Hayden (University of British Columbia, Canada)
15:30 - 15:45
Function of the protein acyl transferase ZDHHC21 in vivo: regulation of α1 adrenergic receptor signaling, blood pressure, and vascular tone
Selected Oral Communication - Ethan Marin (Yale School of Medicine, U.S.A.)
15:45 - 16:00
Identification of ZDHHC14 as a novel tumour suppressor gene commonly downregulated in human cancers
Selected Oral Communication - Marc Yeste-Velasco (Barts Cancer Institute, Queen Mary University of London, United Kingdom)
16:00 - 16:30 Coffee/tea break

16:30 - 17:30
The Morton Lecture
Lipids organizing membrane
Kai Simons (Max-Planck-Institute of Molecular Cell Biology and Genetics, Germany)
17:30 - 19:00 Drinks Reception with Poster Session

19:00 - 20:30 Dinner

20:30 Pub Quiz

Session 2

 

Chair:
Evgeni Ponimaskin (Hannover Medical School, Germany)
Friday 24 August 2012
09:00 - 09:30
Topology of the acyltransferases making phosphatidic acid in yeast
Andreas Conzelmann (University of Fribourg, Switzerland)
09:30 - 10:00
Role of lipidation of Sonic hedgehog in normal function and cancer
Tony Magee (Imperial College London, United Kingdom)
10:00 - 10:15
Regulated activity of 5-HT1A receptor-specific palmitoylation enzymes can modulate receptor functions in vivo.
Selected Oral Communicaton - Nataliya Gorinski (Hannover Medical School, Germany)
10:15 - 10:30
Role of interferons and defective palmitoylation in nuclear trafficking of PLSCR1, a gene located at 3q23 aberrantly expressed in epithelial cancers.
Selected Oral Communication - Madhav Karthik Kodigepalli (University of South Florida, U.S.A.)
10:30 - 11:00 Coffee/tea break

Session 3

 

Chair:
Maurine Linder (Cornell University, U.S.A.)
Friday 24 August 2012
11:00 - 11:30
Chemical approaches for the global analysis of dynamic palmitoylation
Brent Martin (University of Michigan, U.S.A.)
11:30 - 12:00
Palmitoylation of influenza virus proteins
Michael Veit (Free University Berlin, Germany)
12:00 - 12:30
Chemical proteomics: a powerful tool for exploring protein lipidation
Ed Tate (Imperial College London, United Kingdom)
12:30 - 12:45
Combining multiple palmitome purification protocols with SILAC labelling reveals new insights into the role of palmitoylation in regulating Plasmodium falciparum biology
Selected Oral Communication - Julian Rayner (Wellcome Trust Sanger Institute, United Kingdom)
12:45 - 13:00
Palmitoylation regulates Fas-mediated cell death in CD4+ T cells in vivo.
Selected Oral Communication - Anthony Cruz (National Instiutues of Health, U.S.A.)
13:00 - 15:30 Lunch and free time

Session 4

 

Chair:
Laurence Abrami (EPFL, Switzerland)
Friday 24 August 2012
15:30 - 16:00
Palmitoylation in the trafficking and localisation of peripheral membrane proteins
Luke Chamberlain (University of Strathclyde, United Kingdom)
16:00 - 16:30
Regulation of calcium-activated potassium channels by reversible protein palmitoylation
Mike Shipston (University of Edinburgh, United Kingdom)
16:30 - 17:00
Regulation of neurotransmitter receptor membrane trafficking by protein palmitoylation
Gareth Thomas (Temple University, U.S.A.)
17:00 - 17:15
Subcellular localisation regulates stability and axon protective capacity of the axon survival factor Nmnat2
Selected Oral Communication - Stefan Milde (The Babraham Institute, United Kingdom)
17:15 - 17:30
Localisation of a GPI-specific phospholipase C to the flagellum membrane requires both acylation and a novel proline motif
Selected Oral Communication - Jack Sunter (University of Oxford, United Kingdom)
17:30 - 18:30 Drinks Reception with Poster Session

18:30 - 19:00 Pre-Dinner Drinks and Poster Prize Presentation

19:00 Conference Dinner

Session 5

 

Chair:
Anthony Magee (Imperial College London, United Kingdom)
Saturday 25 August 2012
09:30 - 10:00
Palmitoylation in the ER
Gisou van der Goot (EPFL, Switzerland)
10:00 - 10:30
Ras subcellular localisation and signalling
Ian Prior (University of Liverpool, United Kingdom)
10:30 - 11:00
The spatial organization of growth factor signaling systems in cells
Philippe Bastiaens (Max Planck Institut of Molecular Physiology, Germany)
11:00 - 11:15
Non-enzymatic depalmitoylation of phospholemman by peroxiredoxin 6: a new paradigm for protein palmitoylation.
Selected Oral Communication - William Fuller (University of Dundee, United Kingdom)
11:15 - 11:30
Small molecule interference with protein depalmitoylation
Selected Oral Communication - Christian Hedberg (Max-Planck-Institut für Molekulare Physiologie, Germany)
11:30 - 13:00 Lunch and farewell