Radiation Damage to DNA
 
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Program description:

The 11th International Workshop on Radiation Damage to DNA will take place in Atlanta, Georgia, May 15-19, 2010. Sponsored by Emory University School of Medicine and the Winship Cancer Institute, the workshop brings together the various disciplines, including physics, chemistry, and biology, that collectively comprise the fields of radiation damage to DNA and its biological consequences.

Program objectives:

  • Understand basic concepts related to biological effects of radiation exposure
  • Improve understanding of the physics of radiation interaction with DNA molecules.
  • Understand  the chemical nature of DNA damage caused by ionizing radiation in order to better understand the biological effects of human cell exposure to radiation.
  • To improve understanding of the cellular responses to genotoxic stress caused by radiation damage to DNA in human cells.
  • To improve understanding of the major systems for repairing radiation damage to DNA for exploiting this information to identify promising new targets  for cancer drug development.
  • To provide a robust scientific environment for stimulating trans-disciplinary interactions and collaborations leading to translational research activities and collaborations.

Who should attend:
This course is designed for various disciplines, including Physicists, chemists, biologists, radiation oncologists, and surgical oncologists, that collectively comprise the fields of radiation damage to DNA and its biological consequences.

 
Preliminary Program:

A list of session topics and speakers is displayed below (discussion leaders are noted in italics).

Program at a Glance [pdf]

Program [pdf]


Saturday, May 15, 2010

2:00 – 6:00 PM - Arrival, registration (Buckhead Foyer), lower lobby
7:00 - 7:30 PM Welcome reception (East Terrace, 3rd floor)
7:30 - 9:30 PM Welcome dinner

Sunday, May 16, 2010

*Daily breakfast will be held in the Grand Ballroom III, lower lobby

8:30 – 9:30 AM Keynote Address: Alan D’Andrea (Harvard Medical School, USA)(S1), “Profiling DNA Repair Pathways in Human Disease”.

9:30 – 10:30 AM Session I: Therapeutic exploitation of DNA damage management systems. Speakers: Andrew Minn (Univ. of Pennsylvania, USA)(S2), “Gene Expression Signatures That Predict and Promote Resistance to DNA Damage”; David Wilson III (National Institute on Aging, USA)(S3), “Targeting Base Excision Repair with Small Molecule Inhibitors”.

10:30 – 10:45 AM Coffee Break

10:45 – 12:10 PM Session II: Double strand break repair I.
Speakers: Simon Powell (Memorial Sloan Kettering Cancer Center, USA)(S4), “The BRCA1-BRCA2 Pathway Of Homologous Recombination”; Susan Lees-Miller (Univ. of Calgary, CAN)(S5), “Structural and functional insights into the roles of DNA-PKcs in the DNA damage response”; Ya Wang (Emory Univ., USA)(S6), “Targeting DNA-PK and ATM with miR-101 Sensitizes Tumors to Radiation”.

12:15 – 1:30 PM Lunch (East Terrace, 3rd floor)

1:30 – 3:00 PM Session III: Physical mechanisms of DNA strand break formation. Speakers: William Bernhard (Univ. of Rochester, USA)(S7), “One-Electron Oxidation of DNA by Ionizing Radiation: Competition Between Base-To-Base Hole-Transfer and Hole-Trapping”; Tetsuro Majima (Osaka Univ., JPN) (S8), “One-Electron Oxidation of DNA”; Michael Sevilla (Oakland Univ., USA)(S9), “Holes and Electrons in DNA: The Role of Prototropic equilibria and Excited States on Charge Transfer to the Sugar Phosphate Backbone”.

3:00 – 3:30 PM Break

3:30 – 5:00 PM Session IV: Imaging of DNA repair. Speakers: William Dynan (Medical Coll. of Georgia, USA) (S10), “Use of a Microirradiator for Real-Time Observation of the DNA Double-Strand Break Response”; Gisella Taucher-Scholz (GSI – Helmholtzzentrum fur Schwerionenforschung, DEU) (S11), “Visualization of Radiation Damage to DNA: The Impact of Localized Ion Irradiation and Microscopic Imaging”; Anil Mantha (Univ. of Texas, USA) (P22), “Repair of Radiation-Induced Genome Damage: Collaboration Between Base Excision and Non-homologous End Joining Repair”.

5:00 – 6:30 PM Poster Session I

Monday, May 17, 2010

 

9:00 – 10:30 AM Session V: DNA Damage Responses.Speakers: Junjie Chen (MD Anderson Cancer Center, USA) (S12), “DNA damage responses”; Akira Yasui (Tohoku Univ., JPN)(S13); “Repair and Chromatin Factors Required for the Repair of DNA Double-Strand Breaks in Human Cells”; Jason Parsons (P25), “Molecular Mechanism Controlling Steady State Levels of Base Excision (Univ. of Oxford, GBR) Repair Proteins”.

10:30 – 10:45 AM Coffee Break

10:45 – 12:15 PM Session VI: Radical approaches to understanding DNA radiation damage. Werner Friedland (GSF – Helmholtz Center for Radiation Protection, DEU) (S14), “Stochastic Modeling of Radiation Damage To DNA and Its Repair: On the Track Towards Systems Radiation Biology”; Hooshang Nikjoo (Karolinska Institute, SWE) (S15), “A Computer Model of DNA Damage-Repair in Human Cell Nucleus”; Marie Davidkova (Academy of Science, CZE)(S16), “Predicting Radiation Damage to Specific DNA-Protein Complexes”.

12:15 – 1:30 PM Lunch + Group Photo (East Terrace, 3rd floor)

1:30 – 3:00 PM Session VII: DNA radiation damage chemistry. Speakers: Miral Dizdaroglu (National Inst. of Standards and Technology, USA)(S17), “Repair of Radiation-Induced Products of DNA by the Dna Repair Enzymes NEIL1 and NEIL3”; Peter Dedon (Mass. Inst. of Technology, USA)(S18), “Sequence-Selectivity in the Chemistry and Quantity of Radical-Mediated DNA Damage”; Paul Black (University of Rochester, USA)(P3), “Distribution of Direct-Type Damage in DNA: The Role of One-Electron Reduced Cytosine”.

3:00 - 3:30 PM Break

3:30 – 5:00 PM Session VIII: DNA repair inhibitors. Speakers: Michael Weinfeld (Cross Cancer Inst., CAN)(S19), “Polynucleotide Kinase/Phosphatase – A Potential Target for Therapy”; Philip Connell (Univ. of Chicago, USA)(S20), “Screening for Chemical Compounds That Modulate Homologous Recombinational DNA Repair”; Kamal Datta (Lombardi Cancer Center, USA)(P31), “Space Radiation Induces Prolonged Oxidative Stress and Sustained DNA Damage in Mouse Brain: Implications for Premature Aging”.

5:00 – 6:30 PM Poster Session II

 

Tuesday, May 18, 2010

 

9:00 – 10:30 AM Session IX: Double strand break repair II Speakers: George Iliakis (Univ. of Essen, DEU) (S21), “Backup Pathways of DNA Double Strand Break Repair by Non-Homologous End Joining in Cells of Higher Eukaryotes”; Fen Xia (Vanderbilt Univ., USA)(S22), “BRCA1 orchestrates DNA double-strand break repair”; Katharine Pawelczak (Indiana Univ. School of Med., USA)(P30), “Purification and Characterization of Exo-Nuclease Free Artemis: Implications for DNA-PK Dependent Processing of DNA Termini in NHEJ Catalyzed DSB Repair”.

10:30 – 10:45 AM Coffee Break

10:45 – 12:15 PM Session X: Betsy Sutherland Memorial Symposium: Repair of complex DNA lesions. Speakers: Evelyne Sage (CNRS, FRA)(S23), “Processing of Multiply Damaged DNA Sites in Yeast S. Cerevisiae”; Peter O’Neill (Univ. of Oxford, GBR)(S24), “Radiation-Induced Complex DNA Double Strand Breaks – Cleaning Up The Ends”; Lynn Harrison (LSU-Shreveport, USA) (S25), “Clustered AP sites and base damage can be converted to complex double strand breaks in cells”.

12:15 – 1:30 PM Lunch (East Terrace, 3rd floor)

1:00 - 2:00 PM Planning meeting for 12th IWRDD (Location - To be determined).

Free Afternoon (excursions to Georgia Aquarium, Carlos Museum, World of Coca Cola, etc.)

Wednesday, May 19, 2010

 

9:00 – 10:30 AM Session XI: Microbeams, auger emitters, and reaction pathways. Speakers: Katsumi Kobayashi (KEK-Photon Factory, JPN)(S26), “Radiobiological Studies Using The Synchrotron X-Ray Microbeam Irradiation System At The Photon Factory, Kek”; H. De Cooman (Ghent University, BEL)(P5), “Direct-Effect Radiation Chemistry of Solid-State Carbohydrates Using EMR and DFT”; M.A. Hervé du Penhoat (IMPMC, Campus Boucicaut, Paris, FRA)(P18), Ultrafast Dissociation Of Ionized Biomolecules In Water: Ab Initio Molecular Dynamics Studies”.

10:30 – 10:45 AM Coffee Break

10:45 – 12:15 PM Session XII: Repair of base damage. Speakers: Susan Wallace (Univ. of Vermont, USA) (S27), “Repair of DNA Base Lesions Produced by Ionizing Radiation”; Priscilla Cooper (Lawrence Berkeley Lab., USA)(S28), “Repair of Oxidative DNA Base Damage – Regulation in Response to Ionizing Radiation and Connections to Transcription and Replication”; Mariko Higuchi (Japan Atomic Energy Agency, JPN)(P19), “Molecular Dynamics Simulation of Cluster Damaged DNA and hOGG1”.

12:15 – 1:30 PM Lunch (East Terrace, 3rd floor)

1:30 – 3:00 PM Session XIII: Radiation and DNA binding proteins. Speakers: Hiroshi Ide (Hiroshima Univ., JPN)(S29), “Damage Response and Repair Mechanisms for DNA-Protein Crosslinks”; Melanie Spotheim Maurizot (CNRS, FRA)(S30), “Radiation Damage To DNA Binding Proteins and its Consequences”; Claudio Carra (Universities Space Research Association, USA)(P17), “Selectivity and Binding Mechanism of E. Coli DNA Recombinase Protein, A Computational Approach”.

3:00 – 3:30 PM Break

3:30 – 5:00 PM Session XIV: Young Investigator Award Symposium.
Speakers:
Carlo Vascotto (Univ. of Udine, ITA)(P21), “Criitical Lysine Residues Within the N-Terminal Domain of APE1 Regulate ITS Biological Functions”.
Dharmendra Singh (Laboratory of Molecular Gerontology, National Institute on Aging, USA)(P32), “Physical and Functional Interaction Between Two Recq Helicases: BLM Helicase And RECQL4”.
Laure Bobyk (Laboratoire des Lesions des Acides Necleiques, FRA)(P2), “Optimisation of Radosensitizing Effect of Iododeoxyuridine Using Synchrotron Radiation”.

5:00 - 5:30 PM Closing session and remarks

7:00 PM Banquet

 

 



 
 
             
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