BIOGRAPHICAL SKETCH Provide the following information for the key personnel and other significant contributors in the order listed on Form Page 2. Follow this format for each person. DO NOT EXCEED FOUR PAGES. NAME POSITION TITLE Antonio Valencia Instructor in Neurology Assistant in Neuroscience eRA COMMONS USER NAME AVALENCIA1 EDUCATION/TRAINING (Begin with baccalaureate or other initial professional education, such as nursing, and include postdoctoral training.) INSTITUTION AND LOCATION Faculty of Sciences, UNAM. Mexico City Institute of Cellular Physiology, UNAM. Mexico City (Honors) Wellman Center for Photomedicine, MGH-HMS. Boston, MA MassGeneral Institute for Neurodegenerative Disease, MGH. Charlestown, MA DEGREE (if applicable) YEAR(s) B.S. 1990-1997 Biology Ph.D. 1999-2003 Neuroscience 2003-2006 Cell Biology 206-2010 Neuroscience Postdoctoral training Postdoctoral training FIELD OF STUDY A. POSITIONS AND HONORS Positions 2010- present Assistant in Neuroscience, MassGeneral Institute for Neurodegenerative Disease, MGH. Charlestown, MA 2010-present Instructor in Neurology Harvard Medical School 2011-2012 Animal Behavior Testing Advisory Committee. MassGeneral Institute for Neurodegenerative Disease. Massachusetts General Hospital. Charlestown, MA. 2012-present Co-Director of the Mouse Behavior Neurodegenerative Disease, MGH. Charlestown, MA Honors 1999-2004. 2000 -2004. 2000. Core at MIND. MassGeneral Institute for Ph.D. Scholarship from the National Council for Science and Technology, Mexico. Ph.D. Scholarship from the National University of Mexico (DGEP-UNAM). First place for best work in the 5th Annual Ph.D. Students Neuroscience Meeting, Barcelona, Spain. 2000-2001 Research Award for Scientific collaboration in the Department of Biochemistry and Molecular Biology. Autonomous University of Barcelona. Laboratory of Dr. Jose Rodriguez. Barcelona, Spain. Role of IP3-kinase and Akt in the apoptotic cell death induced by oxidative stress in cultured neurons. Funded by General Division for Professionals Studies (DGEP)-National University of Mexico and the National Council for Science and Technology (CONACyT)-Mexico. 2001 Research award for Scientific collaboration in the Department of Physiology, Faculty of Medicine. Autonomous University of San Luis Potosi. Laboratory of Dr. Sergio SanchezArmass. San Luis Potosi, Mexico. Relation between intracellular pH and intracellular calcium in the apoptotic cell death of neurons in culture. Founded by General Division for Professionals Studies (DGEP)-National University of Mexico and the National Council for Science and Technology (CONACyT)-Mexico. 2000, 2002. Lecturer in “Apoptosis and diseases”. Biomedical Sciences Ph.D. Program. Institute of Cellular Physiology, National University of Mexico. 1 2002-2003. 2003. 2004. 2003-2008. 2008-2012. Lecturer in “Biochemistry and Molecular Biology”. Faculty of Medicine, National University of Mexico Doctoral dissertation with Honors. Travel Award in the 11th Meeting of Society for Free Radical Biology and Medicine. St. Thomas US Virgin Islands. Awarded by competitive selection prior to and during the meeting. Foundation Mexico in Harvard grant-fellowship award for postdoctoral studies. Milton Wexler Posdoctoral Fellowship Award. Hereditary Disease Foundation. Memberships in Scientific Association and other scientific experience 1999. 2000. 2000. 2004. Mexican Society for Biochemistry. International Society for Neuroscience. Mexican Society of Development Biology. Society for Free Radical Biology and Medicine. Ad hoc revisions for: American Journal of Physiology, Cell Physiology, Cell Calcium, Cytoskeleton, Biochemistry, Physiological Genomics, Neurobiology of Disease, Apoptosis, Neurobiology of Aging Memberships in Scientific Association and other scientific experience 1999. 2000. 2000. 2004. Mexican Society for Biochemistry. International Society for Neuroscience. Mexican Society of Development Biology. Society for Free Radical Biology and Medicine. B. PUBLICATIONS (selected) 1.Valencia, A. and Moran, J. Reactive oxygen species induce different cell death mechanisms in cultured neurons. Free Radical Biol Med. (2004) 36(9):1112-1125. 2.Franco-Cea, A., Valencia, A., Sanchez-Armass, S., Dominguez, G. and Moran, J. Role of ionic fluxes in the apoptotic cell death of cultured cerebellar granule neurons. Neurochem Res. (2004) 29(1):22738. 3.Valencia, A. and Kochevar, I.E. UVA induces apoptosis via reactive oxygen species in a model for Smith-Lemli-Opitz syndrome. Free Radical Biol Med. (2006) 40:641-650. 4.Valencia, A. and Kochevar, I.E. Nox1-Based NADPH Oxidase is the Major Source of UVA-Induced Reactive Oxygen Species in Human Keratinocytes. J Invest Dermatol (2008) 28(1):214-222. 5.Coyoy, A., Valencia, A., Guemez-Gamboa, A., and Moran, J. Role of NADPH-oxidase in the apoptotic death of cultured cerebellar granule neurons. Free Radical Biol Med. (2008) 45: 1056-1064. 6.Li, X., Sapp, E., Valencia, A., Kegel, K.B. Quin, Z.H., Alexander, J., Masso, N., Ritch, J.J., Zeitlin, S., Aronin, N. and DiFiglia, M. A function of Huntingtin in guanine nucleotide exchange on Rab11. Neuroreport. (2008). Oct 29;19(16):1643-7. 7.Kegel K.B., Sapp E., Alexander J., Valencia A., Reeves P.B., Li X., Masso N., Sobin L., Aronin N. and DiFiglia M. Polyglutamine expansion in Huntingtin alters interaction with phospholipids. Journal of Neurochemistry. (2009). Sep;110(5):1585-97. 8.Li X, Sapp E, Chase K, Comer-Tierney LA, Masso N, Alexander J, Reeves P, Kegel KB, Valencia A, Esteves M, Aronin N, Difiglia M. Disruption of Rab11 activity in a knock-in mouse model of Huntington’s disease. Neurobiology of Disease. (2009). Nov;36(2):374-83. 9.Li X, Standley C, Sapp E, Valencia A, Qin ZH, Kegel KB, Yoder J, Comer-Tierney LA, Esteves M, Chase K, Alexander J, Masso N, Sobin L, Bellve K, Tuft R, Lifshitz L, Fogarty K, Aronin N, Difiglia M. Mutant Huntingtin Impairs Vesicle Formation from Recycling Endosomes by Interfering with Rab11 Activity. Molecular and Cellular Biology. (2009). Nov;29(22):6106-16. PMCID: PMC2772576. 10.Valencia A., Reeves P.B., Sapp E., Li X., Alexander J., Kegel K.B., Chase K., Aronin N. and DiFiglia M. Mutant huntingtin accumulates in neuronal lipid rafts in of a pre-symptomatic mouse 2 model of Huntington’s disease. Journal of Neuroscience Research. (2010). Jan;88(1):179-90. 11.Li X.*, Valencia A.*, Sapp E., Masso N., Alexander J., Reeves P., Kegel K.B., Aronin N., and DiFiglia M. Aberrant Rab11-dependent Trafficking of the Neuronal Glutamate Transporter EAAC1 Causes Oxidative Stress and Cell Death in Huntington's Disease. Journal of Neuroscience. (2010). March 31, 2010, 30(13):4552-4561. *Equal contribution. 12.Kegel KB, Sapp E, Alexander J, Reeves P, Bleckmann D, Sobin L, Masso N, Valencia A, Jeong H, Krainc D, Palacino J, Curtis D, Kuhn R, Betschart C, Sena-Esteves M, Aronin N, Paganetti P, Difiglia M. Huntingtin cleavage product A forms in neurons and is reduced by gamma-secretase inhibitors. Molecular Neurodegeneration. (2010). Dec; 14(5)-1:58. 13.Valencia A., Reeves P.B., Sapp E., Li X., Alexander J., Masso N., Li X., Kegel and DiFiglia M. Reagents that curb neuronal death from Huntington’s disease also curb oxidative stress. Neuroreport. (2012). Jan;4,23(1):10-15. 14.Sapp E., Valencia A., Li X., Aronin N., Kegel K.B., VOnsattel JP., Young A.B., Wexler N. and DiFiglia M. Native mutant huntingtin human brain: evidence for prevalence of full length monomer. Journal of Biological Chemistry. (2012) 287(16):13487-99. 15.Ritch JJ, Valencia A, Alexander J, Sapp E, Gatune L, Sangrey GR, Sinha S, Scherber CM, Zeitlin S, Sadri-Vakili G, Irimia D, Difiglia M, Kegel KB. Multiple phenotypes in Huntington’s disease mouse neuronal stem cells. Mol Cell Neurosci. 2012 May; 50(1):70-81. 16.Li, Valencia A, McClory H, Sapp E, Kegel KB and DiFiglia M. Deficient Rab11 activity underlies glucose hypometabolism in primary neurons of Huntington’s disease mice. Biochem Biphys Res Comm. 2012. May 18; 421(4):727-30. 17.Valencia A, Sapp E, Kimm JS, McClory H, Reeves PB, Alexander J, Ansong KA, Masso N, Frosch MP, Kegel KB, Li X and DiFiglia M. Elevated NADPH oxidase activity contributes to oxidative stress and cell death in Huntington’s disease. Hum Mol Genet. 2012. In press. doi: 10.1093/hmg/dds516 Current support NIH, 1 R01 NS074381-01 9/30/11-6/30/2015 Increase Rab11 Activity as HD therapy PI: M. DiFiglia Role: investigator Study of effects of dominant active Rab11 in HD mice and ability to rescue disease phenotypes. Pending support Grant submitted to Hereditary Disease Foundation Title: “In vivo inhibition of oxidative stress by blocking NADPH oxidase inHuntington's disease”. Role: Principal Investigator 3