Loma Linda University

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Gregory Nelson, PhD
Professor, Basic Sciences
School of Medicine
Professor, Radiation Medicine
School of Medicine
Presentations    General Academic Presentation
  • Radiation Biology with Charged Particles:  Single Cell Pathology.  (2002)  Morris J Karnovsky Celebration.  Harvard Medical School, Bostn.  June 10, 2002.  Invited Talk. ( 6/2002 )
  Research Presentations -- International
  • Tamako Jones, Celso Perez, Leticia Ortloff and Gregory A. Nelson.  In vivo Bystander Effects in the Nematode Intestine  The 5th International Workshop on Space Radiation Research (IWSRR); The 12th Workshop on Ion Beams In Biology and Medicine (IBIBAM); The 20th Annual NASA Space Radiation Health Investigators’ Workshop (SRHIW); The 1st ESA Space Radiation Investigators’ Meeting (ESRAD)  July 6-10, 2009. Cologne, Germany.  Talk.     ( 7/2009 )
  • Charles Limoli, Erich Giedzinski, Tatiana Suarez, Gregory Nelson, and John Fike.  Functional consequences of altered redox state in neural precursor cells caused by low dose charged particle irradiation.  The 5th International Workshop on Space Radiation Research (IWSRR); The 12th Workshop on Ion Beams In Biology and Medicine (IBIBAM); The 20th Annual NASA Space Radiation Health Investigators’ Workshop (SRHIW); The 1st ESA Space Radiation Investigators’ Meeting (ESRAD)  July 6-10, 2009. Cologne, Germany.  Talk (C. Limoli) ( 7/2009 )
  • Mouse Brain Responses to Charged Particle Radiation.  37th COSPAR (Committee on Space Research).  Montreal, Canada July 2008.  Invited Talk. ( 7/2008 )
    Invited Talk
  • A Obenaus, R Vlkolinsky, G Nelson, T Krucker, I Spigelman.  Alterations in Hippocampal Electrophysiological Characteristics and Development of Hyperexcitability afrt 56 Fe Radiation Exposure.  European Winter Conference on Brain Research, Villars, Switzerland  2007 ( 12/2007 )
  • Heavy Ion Effects to the Central Nervous System.  International Congress on Radiation Research..  San Francisco, CA  ( 6/2007 )
    Invited Talk.
  • Space Research: A Scientist’s View.  General Observations and C. elegans Case Studies.  C. elegans in Space- Canadian Workshp.  Canadian Space Agency, Ottawa, Canada.  Nov. 20, 2003.  Invited Talk. ( 11/2003 )
  • G Nelson.  Space Radiation Research Activities at the Loma Linda Proton Synchrotron Facility.  13th Annual NASA Space Radiation Investigators'' Working Group and 2nd International Workshop on Space Radiation.  Nara, Japan.  May 11-15, 2002.  Talk. ( 5/2002 )
  Research Presentations -- National
  • CNS NSCOR Overview.  G. Nelson, J. Fike, C. Limoli, A. Obenaus, J. Raber, I. Spigelman and R. Vlkolinsky.  22nd Annual NASA Space Radiation Investigators’ Workshop.  League City, Texas.  Sept 18-21, 2011.  Talk. ( 9/2011 )
  • Space Radiation Environment.  Department of Energy Nuclear Chemistry Summer School.  Brookhaven National Laboratory,  Upton, N.Y.  June 23, 2011.  Invited Lecture. ( 6/2011 )
  • Effects of Radiation on Adaptive Immunity: Contact Hypersensitivity Model.  Low Dose Radiation Research Program Investigators’ Workshop. Bethesda, Maryland.  May 9-11, 2011.  Talk. ( 5/2011 )
  • Effects of Radiation on Adaptive Immunity: Contact Hypersensitivity Model.  Low Dose Radiation Research Program Investigators’ Workshop. Bethesda, Maryland.  May 9-11, 2011.  Talk. ( 5/2011 )
  • Charged Particle Effects on the Brain.  NSBRI Center of Radiation Research (CARR) - CNS Workshop.   University of Pennsylvania, Philadelphia.  March 11, 2011.  Invited Talk. ( 3/2011 )
  • Low Dose Particle Effects on the Brain.   13th Workshop on Ion Beams in Biology and Medicine.  Berkeley, CA. 10/27/2010. Invited Talk. ( 10/2010 )
    Invited Talk
  • Gregory A. Nelson, Polly Chang, Cecile Favre, John Fike, Natalia Komarova, Charles Limoli,  Xiao-Wen Mao, Andre Obenaus, Jacob Raber, Igor Spigelman, Ivan Soltesz, Sheng-Kwei Song, Marco Stampanoni, Roman Vlkolinsky, Dominik Wodarz.  CNS NSCOR in Transition: Charged Particle Radiation & Resultant Oxidative Stress Elicit Deleterious Functional Changes in the CNS.  21st Annual NASA Space Radiation Investigators’ Workshop.  Port Jefferson, N.Y.  May 15-19, 2010.  Talk ( 5/2010 - 4/2010 )
  • Gregory A. Nelson, Polly Chang, Cecile Favre, John Fike, Natalia Komarova, Charles Limoli,  Xiao-Wen Mao, Andre Obenaus, Jacob Raber, Igor Spigelman, Ivan Soltesz, Sheng-Kwei Song, Marco Stampanoni, Roman Vlkolinsky, Dominik Wodarz  (2010)  NSCOR Transition:   from   Progressive Alterations of CNS Structure & Function are Caused by  Charged Particle Radiation   to   Charged Particle Radiation & Resultant Oxidative Stress  Elicit Deleterious Functional Changes in the CNS.  2010 NASA Human Research Program Investigators'' Workshop.  February 3–5, 2010,  Houston, Texas.  Talk. ( 2/2010 )
  • Space Radiation Effects.  Hot Topics Lecture.  55th Radiation Research Society Meeting.  Savannah, GA.  Oct. 7, 2009.  Invited Talk. ( 10/2009 )
  • In vivo Bystander Effects in the Nematode Intestine. 55th Radiation Research Society Meeting.  Savannah, GA.  Oct. 7, 2009.  Platform Talk & Poster ( 10/2009 )
  • Space Radiation Biology:  Unique Aspects of Charged Particle Irradiation with Case Studies from Cells to Animals.  Texas A&M University.  Space Life Sciences Seminar.  College Station, TX.  March 11, 2009.  Invited Seminar. ( 3/2009 )
  • GA Nelson, P Chang, C Favre, J Fike, X-W Mao, A Obenaus, M Pecaut, I Spigelman, S-K Song, M Stampanoni, R Vlkolinsky.  Progressive Alterations of Central Nervous System Structure and Function Are Caused by Charged Particle Radiation.  NASA Human Research Program Investigators’Workshop. February 2-4, 2009.  League City, Texas.  Talk. ( 2/2009 )
  • G Nelson and CNS NSCOR Team.  Progressive Alterations of Central Nervous System Structure and Function are Caused by Charged Particle Radiation.  Selected Highlights.  19th Annual NASA Space Radiation Investigators'' Workshop.  Philadelphia, Pennsylvania.  June 30 – July 2, 2008  Talk. ( 6/2008 - 7/2008 )
  • G.A. Nelson, P. Chang, C. Favre, J. Fike, X. Mao, A. Obenaus, M. Pecaut, I Spigelman, S. Song, M. Stampanoni, R. Vlkolinsky . Central Nervous System Radiation Effects NSCOR: Progress Report. NASA Human Research Program Investigators’ Workshop. February 4-6, 2008 ▪ League City, Texas.  Talk. ( 2/2008 )
  • G Nelson.  Neurological Effects of Exposure to Galactic Cosmic rays.  23rd American Society for Gravitational and Space Biology Meeting.  NASA Ames Research Center, Mountain View, CA.  Oct. 23-28, 2007.  Talk. ( 10/2007 )
  • Nelson, GA . "A Brief Review of High LET Radiation on the Central Nervous System." 18th Annual NASA Space Radiation Investigators Workshop. Rohnert Park, CA. Invited Talk. ( 7/2007 )
  • Nelson, GA . "Heavy Ion Effects on the Central Nervous System, Invited Talk." 13th International Congress of Radiation Research. San Francisco, CA.  Invited Talk. ( 7/2007 )
  • A Brief Review of Effects of High LET Radiation on the Central Nervous System.  18th Annual NASA Space Radiation Investigators Workshop.  Rohnert Park, CA  July 2007 ( 7/2007 )
  • CNS Effects from HZE Ions.  NASA Models of Space Radiation Risks Workshop.  U. Texas S.W. Medical Center, Dallas, TX.  3/6-7/2007 ( 3/2007 )
    Invited Talk
  • Nelson, GA . "CNS Effects from HZE Ions." NASA Models of Space Radiation Risks Workshop. Dallas, TX.  Invited Talk. ( 3/2007 )
  • Obenaus, A, Robbins, M, Kendall, E, Smith, A, Huang, L, Nelson, G and C Favre . "Magnetic Resonance Imaging and Spectroscopy of the Rat Hippocampus at 1 Month after 56Fe Radiation." NASA Models of Space Radiation Risks Workshop, Dallas, TX. Dallas, TX ( 3/2007 )
  • G Nelson. "Space Radiation Biology: An Overview." Department of Anatomy Invited Seminar. University of Zurich, Department of Anatomy. Zurich, Switzerland ( 7/2006 )
  • Radiobiology of C. elegans.  2005 Radiation Research Society Topical Review.  Oct 18, 2005.  Invited Talk. ( 10/2005 )
  • Fundamental Space Radiobiology.  American Society for Garvitational & Space Biology.  Cape Canaveral, FL.  11/7/2002.  Invited Talk. ( 11/2002 )
    Invited Talk
  • Biological Responses to High Energy Particles:  Conventional Notions of Doses, Targets and Scaling Laws Aren’t Enough.  RHIC and AGS Users’ Meeting.  Brookhaven National Laboratory, Upton, N.Y.  Sept. 21, 2002.  Invited Talk. ( 9/2002 )
  • G Nelson, T Jones and A Chesnut.  Modulation of Charged Particle Radiation Damage in the Nematode by Genes Affecting Apoptosis and Reactive Oxygen Species.  Bioastronautics Investigators’ Workshop.  Jan 17 – 19, 2001.  Galveston, TX.  Poster. ( 1/2001 )
  • G Nelson, T Jones and A Chesnut.  Modulation of Charged Particle Radiation Damage in the Nematode by Genes Affecting Apoptosis and Reactive Oxygen Species.  Bioastronautics Investigators’ Workshop.  Jan 17 – 19, 2001.  Galveston, TX.  Poster. ( 1/2001 )
  Research Presentations -- Regional
  • The Biology of Space Radiation Exposure.  Cal. State University Northridge.  Northridge, CA.  Biology Seminar.  May 6, 2005.  Invited Seminar. ( 5/2005 )
  • Genotoxicity and Gene Expression in C. elegans in Response to Ionizing Radiation.  U. Cal. Riverside.  Biology Seminar.  Riverside, CA.  May 26, 2004. ( 5/2004 )
  Research Presentations -- Local/Campus
  • T Jones, C Perez, E Bayeta, L Ortloff and G Nelson.  In vivo Bystander Effects in the Nematode Intestine.  12th Basic Science Symposium.  Loma Linda University.  Sept. 2009.  Poster. ( 9/2009 )
  • D Gridley, M Pecaut, L Green, G Nelson, B Bianski, T Jones, HQ Han, D Lacey, L Stodieck, V Ferguson and JM Slater.  Gene Expression in Thymus and Liver of Mice after Spaceflight.  Loma Linda University Medical Ceneter.  Annual Postgraduate Conference. 2009 ( 9/2009 )
  • Radiobiology of C. elegans or The Way We Worm.  Loma Linda University Depart. Radiation Medicine Seminar.  Feb 2, 2005. ( 2/2005 )
  Poster Presentation
  • R. Vlkolinsky, M. Campbell--‐Beachler, E. Rudobeck, I, Sokolova, A, Obenaus, GA. Nelson.  Functional effects of proton and silicon radiation on synaptic excitability in the mouse hippocampus.   22nd Annual NASA Space Radiation Investigators’ Workshop.  League City, Texas.  Sept 18-21, 2011.  Poster (R Vlkolinsky). ( 9/2011 )
  • I, Sokolova, R. Vlkolinsky, I.Spigelman, V. Marty, M. Campbell--‐Beachler, A. Obenaus, GA. Nelson.  Charged-Particle Radiation Affects Neuronal Properties of Mouse Hippocampal Slices.  22nd Annual NASA Space Radiation Investigators’ Workshop.  League City, Texas.  Sept 18-21, 2011.  Poster (I Sokolova). ( 9/2011 )
  • T Jones, L. Ortloff, C Perez, GA Nelson (2010)  The Search for Genes Regulating Bystander Signaling in the Nematode C. elegans.  56th Radiation Research Society Annual Meeting.  Maui, Hawaii.  Sept. 25-29, 2010.  Poster. ( 9/2010 )
  • Tamako Jones, Leticia Ortloff, Celso Perez, Gregory A. Nelson.  (2010)  In vivo Bystander Signaling in the Nematode C. elegans.  Tamako Jones, Leticia Ortloff, Celso Perez, Gregory A. Nelson.  21st Annual NASA Space Radiation Investigators’ Workshop.  Port Jefferson, N.Y.  May 15-19, 2010. Poster. ( 5/2010 )
  • Gregory Nelson, Cecile Favre, Tamako Jones, Mary Campbell-Beachler  Low Dose Ionizing Radiation Modulates Immune Function: New Project Overview.  DOE Low Dose Radiation Research Program Investigators’ Workshop IX. Washington, DCApril 12-14,  2010.  Poster ( 4/2010 )
  • C. Hintermüller,J. S Coats,A. Obenaus,G Nelson,T Krucker and M Stampanoni.  Evaluation of Dose Dependent Structural Changes in 3D Brain Microvasculature in Response to Heavy Particle Radiation Exposure.  The 5th International Workshop on Space Radiation Research (IWSRR); The 12th Workshop on Ion Beams In Biology and Medicine (IBIBAM); The 20th Annual NASA Space Radiation Health Investigators’ Workshop (SRHIW); The 1st ESA Space Radiation Investigators’ Meeting (ESRAD)  July 6-10, 2009. Cologne, Germany.  Poster (C Hintermueller) ( 7/2009 )
  • Tamako Jones, Celso Perez, Leticia Ortloff and Gregory Nelson (2009)  Intercellular Transmission of Genotoxic Damage in the Nematode Intestine.  17th International C. elegans Meeting, June 24 – 28, 2009, University of California, Los Angeles.  Poster ( 6/2009 )
  • Gregory Nelson, Cecile Favre, Tamako Jones, Mary Campbell-Beachler  Low Dose Ionizing Radiation Modulates Immune Function: New Project Overview.  DOE Low Dose Radiation Research Program Investigators’ Workshop IX. Washington, DCApril 12-14,  2010.  Poster ( 4/2009 )
  • FP Bagel, D Gridley, J Slater, E Bayeta, M Andres, X Luo-Owen,  T Jones, B Bianski, A Rizvi, HQ Han, D Lacey, L Stodieck, V Ferguson, L Green, GA Nelson, MJ Pecaut.  Effects of Spaceflight on Anti-Inflammatory Response. Psychoneuroimmunology Research Symposium,  Germany,  2008 ( 9/2008 )
  • G Nelson, P Chang, C Favre, J Fike, X-W Mao, A Obenaus, R Vlkolinsky, M Pecaut, SK Song, I Spigelman and M Stampanoni.  Responses of the Mouse Brain to Charged Particle Radiation.  54th Radiation Research Society Annual Meeting.  Boston, MA.  Sep. 21 - 24, 2008. Poster. ( 9/2008 )
  • Obenaus, L. Huang, A. Smith, S. Lalas, G. Nelson, P. Cummings, E. Kendall.  Magnetic resonance imaging can identify regional central nervous system abnormalities following 56Fe radiation exposure. NASA Human Research Program Investigators’ Workshop. February 4-6, 2008.  League City, Texas. Poster. ( 2/2008 )
  • Obenaus, A, Huang, L, Smith A, Lalas, S, Nelson, G, Cummings, P, Kendall, E.  Magnetic Resonance Imaging Can Identify Regional Central Nervous System Abnormalities Following 56 Fe Radiation Exposure.  NASA Human Research Program Investigators'' Workshop.  League City, TX. Feb 4-6, 2008.  Poster ( 2/2008 )
  • Vlkolinsky, R, Spigelman, I, Nelson, GA, Krucker, T and A Obenaus . "Long-term Effects of 56Fe Radiation-Induced Impairment of Synaptic Plasticity: The Effect of Lipopolysaccharide in the Mouse Hippocampus." 18th Annual NASA Space Radiation Investigators Workshop. Rohnert Park, CA ( 7/2007 )
  • Hintermueller, C, Coats, J, Obenaus, A, Krucker, T, Nelson, G. and M Stampanoni . "Assessment of Radiation-Induced Alterations in Brain Microvasculature Using X-ray Tomographic Microscopy." 18th Annual NASA Space Radiation Investigators Workshop. Rohnert Park, CA ( 7/2007 )
  • Mao, XW, Favre, C, Pecaut, MJ and GA Nelson . "Stereological Quantification of Mouse Brain Vascular Population Following Iron Ion Radiation: A Progress Report (NSCOR)." 18th Annual NASA Space Radiation Investigators Workshop. Rohnert Park, CA ( 7/2007 )
  • Pecaut, MJ, Fike, J, Favre, C, Campbell-Beachler, M, Jones, T, Smith, A, Rightnar, S, Mao, XW and GA Nelson . "Effects of Head-Localized Iron Radiation on Hippocampal Microglia Counts." 18th Annual NASA Space Radiation Investigators Workshop. Rohnert Park, CA ( 7/2007 )
  • Obenaus, A, Vlkolinsky, Nelson, G, Krucker, T, and I Spigelman . "Alterations in Hippocampal Electrophysiological Characteristics and Development of Hyperexcitability after 56Fe Radiation Exposure." European Winter Conference on Brain Research. Villars, Switzerland ( 3/2007 )
  • P Cummings, A Obenaus, D Heffron, GA Nelson, and J Mandell.  High Energy (HZE) Radiation Exposure Causes Axonal Degeneration and Astrogliosis in the Central Nervous System of Mice.  22nd American Society for Gravitational and Space Biology Meeting.  Arlington, VA.  Nov. 2-5, 2006.  Poster. ( 11/2006 )
  • Vlkolinsky, R, Nelson, GA, Krucker, T and A Obenaus . "Effect of 56Fe Radiation on Age-related Impairment of Synaptic Transmission in Mice Expressing Human APP23. Program # 271.15/KK16 ." Society for Neuroscience Meeting. Atlanta, GA ( 10/2006 )
  • R Vlkolinsky, E Titova, GA Nelson, T Krucker, A Obenaus.  Effect of 56 Fe Radiation on Age-Realted Impairment of Synaptic Transmission in Mice Expressing Human APP.  Society for Neuroscience. 2000 ( 11/2000 )
  Presentations given to non-academic audiences
  • Darrell R Santschi "Loma Linda Team Researching How to protect Astronauts from Radiation." San Bernardino Press Enterprise 22 07 2007: ( 7/2007 )
  • Loma Linda University Radiation Research Activities.  Radiation Environment Research Program Meeting.  NASA Headquarters.  Washington, D.C.  May 3, 2001. ( 5/2001 )