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Antonio Valencia, Ph.D.

TitleInstructor in Neurology
InstitutionMassachusetts General Hospital
DepartmentNeurology
AddressMassachusetts General Hospital
Cellular Neurobiology, 114-2125
114 16th Street
Charlestown MA 02129
Phone617/724-9174
Fax617/724-1480

 Biography 
 awards and honors
2003 - 2008Fundacion Mexico en Harvard Award
2008 - 2012Milton Wexler Postdoctoral Fellowship

 Bibliographic 
 selected publications
Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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  1. Valencia A, Sapp E, Kimm JS, McClory H, Reeves PB, Alexander J, Ansong KA, Masso N, Frosch MP, Kegel KB, Li X, Difiglia M. Elevated NADPH oxidase activity contributes to oxidative stress and cell death in Huntington's disease. Hum Mol Genet. 2013 Mar 15; 22(6):1112-31.
    View in: PubMed
  2. Li X, Valencia A, McClory H, Sapp E, Kegel KB, Difiglia M. Deficient Rab11 activity underlies glucose hypometabolism in primary neurons of Huntington's disease mice. Biochem Biophys Res Commun. 2012 May 18; 421(4):727-30.
    View in: PubMed
  3. 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 disease mouse neural stem cells. Mol Cell Neurosci. 2012 May; 50(1):70-81.
    View in: PubMed
  4. Sapp E, Valencia A, Li X, Aronin N, Kegel KB, Vonsattel JP, Young AB, Wexler N, DiFiglia M. Native mutant huntingtin in human brain: evidence for prevalence of full-length monomer. J Biol Chem. 2012 Apr 13; 287(16):13487-99.
    View in: PubMed
  5. Valencia A, Sapp E, Reeves PB, Alexander J, Masso N, Li X, Kegel KB, DiFiglia M. Reagents that block neuronal death from Huntington's disease also curb oxidative stress. Neuroreport. 2012 Jan 4; 23(1):10-5.
    View in: PubMed
  6. 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. Mol Neurodegener. 2010; 5:58.
    View in: PubMed
  7. Li X, Valencia A, Sapp E, Masso N, Alexander J, Reeves P, Kegel KB, Aronin N, Difiglia M. Aberrant Rab11-dependent trafficking of the neuronal glutamate transporter EAAC1 causes oxidative stress and cell death in Huntington's disease. J Neurosci. 2010 Mar 31; 30(13):4552-61.
    View in: PubMed
  8. Valencia A, Reeves PB, Sapp E, Li X, Alexander J, Kegel KB, Chase K, Aronin N, DiFiglia M. Mutant huntingtin and glycogen synthase kinase 3-beta accumulate in neuronal lipid rafts of a presymptomatic knock-in mouse model of Huntington's disease. J Neurosci Res. 2010 Jan; 88(1):179-90.
    View in: PubMed
  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. Mol Cell Biol. 2009 Nov; 29(22):6106-16.
    View in: PubMed
  10. 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. Neurobiol Dis. 2009 Nov; 36(2):374-83.
    View in: PubMed
  11. Kegel KB, Sapp E, Alexander J, Valencia A, Reeves P, Li X, Masso N, Sobin L, Aronin N, DiFiglia M. Polyglutamine expansion in huntingtin alters its interaction with phospholipids. J Neurochem. 2009 Sep; 110(5):1585-97.
    View in: PubMed
  12. Li X, Sapp E, Valencia A, Kegel KB, Qin ZH, Alexander J, Masso N, Reeves P, Ritch JJ, Zeitlin S, Aronin N, Difiglia M. A function of huntingtin in guanine nucleotide exchange on Rab11. Neuroreport. 2008 Oct 29; 19(16):1643-7.
    View in: PubMed
  13. Coyoy A, Valencia A, Guemez-Gamboa A, Morán J. Role of NADPH oxidase in the apoptotic death of cultured cerebellar granule neurons. Free Radic Biol Med. 2008 Oct 15; 45(8):1056-64.
    View in: PubMed
  14. Valencia A, Kochevar IE. Nox1-based NADPH oxidase is the major source of UVA-induced reactive oxygen species in human keratinocytes. J Invest Dermatol. 2008 Jan; 128(1):214-22.
    View in: PubMed
  15. Valencia A, Rajadurai A, Carle AB, Kochevar IE. 7-Dehydrocholesterol enhances ultraviolet A-induced oxidative stress in keratinocytes: roles of NADPH oxidase, mitochondria, and lipid rafts. Free Radic Biol Med. 2006 Dec 1; 41(11):1704-18.
    View in: PubMed
  16. Valencia A, Kochevar IE. Ultraviolet A induces apoptosis via reactive oxygen species in a model for Smith-Lemli-Opitz syndrome. Free Radic Biol Med. 2006 Feb 15; 40(4):641-50.
    View in: PubMed
  17. Valencia A, Morán J. Reactive oxygen species induce different cell death mechanisms in cultured neurons. Free Radic Biol Med. 2004 May 1; 36(9):1112-25.
    View in: PubMed
  18. Franco-Cea A, Valencia A, Sánchez-Armass S, Domínguez G, Morán J. Role of ionic fluxes in the apoptotic cell death of cultured cerebellar granule neurons. Neurochem Res. 2004 Jan; 29(1):227-38.
    View in: PubMed
  19. Valencia A, Morán J. Role of oxidative stress in the apoptotic cell death of cultured cerebellar granule neurons. J Neurosci Res. 2001 May 1; 64(3):284-97.
    View in: PubMed
  20. Moran J, Alavez S, Rivera-Gaxiola M, Valencia A, Hurtado S. Effect of NMDA antagonists on the activity of glutaminase and aspartate aminotransferase in the developing rat cerebellum. Int J Dev Neurosci. 1999 Feb; 17(1):57-65.
    View in: PubMed
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