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Mariana Atina Pehar

Title
InstitutionMedical University of South Carolina
DepartmentCell and Molecular Pharmacology and Experimental Therapeutics
AddressP.O. Box MSC 509
BSB 319C
Basic Science Building - 173 Ashley Ave.
Phone843-792-1609
Fax843-792-2475
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    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. Harlan BA, Pehar M, Killoy KM, Vargas MR. Enhanced SIRT6 activity abrogates the neurotoxic phenotype of astrocytes expressing ALS-linked mutant SOD1. FASEB J. 2019 Jun; 33(6):7084-7091. PMID: 30841754.
      View in: PubMed
    2. Killoy KM, Harlan BA, Pehar M, Helke KL, Johnson JA, Vargas MR. Decreased glutathione levels cause overt motor neuron degeneration in hSOD1WT over-expressing mice. Exp Neurol. 2018 04; 302:129-135. PMID: 29307609.
      View in: PubMed
    3. Pehar M, Harlan BA, Killoy KM, Vargas MR. Nicotinamide Adenine Dinucleotide Metabolism and Neurodegeneration. Antioxid Redox Signal. 2018 06 20; 28(18):1652-1668. PMID: 28548540.
      View in: PubMed
    4. Kim MJ, Vargas MR, Harlan BA, Killoy KM, Ball LE, Comte-Walters S, Gooz M, Yamamoto Y, Beckman JS, Barbeito L, Pehar M. Nitration and Glycation Turn Mature NGF into a Toxic Factor for Motor Neurons: A Role for p75NTR and RAGE Signaling in ALS. Antioxid Redox Signal. 2018 06 20; 28(18):1587-1602. PMID: 28537420.
      View in: PubMed
    5. Pehar M, Harlan BA, Killoy KM, Vargas MR. Role and Therapeutic Potential of Astrocytes in Amyotrophic Lateral Sclerosis. Curr Pharm Des. 2017; 23(33):5010-5021. PMID: 28641533.
      View in: PubMed
    6. Harlan BA, Pehar M, Sharma DR, Beeson G, Beeson CC, Vargas MR. Enhancing NAD+ Salvage Pathway Reverts the Toxicity of Primary Astrocytes Expressing Amyotrophic Lateral Sclerosis-linked Mutant Superoxide Dismutase 1 (SOD1). J Biol Chem. 2016 May 13; 291(20):10836-46. PMID: 27002158.
      View in: PubMed
    7. Peng Y, Kim MJ, Hullinger R, O'Riordan KJ, Burger C, Pehar M, Puglielli L. Improved proteostasis in the secretory pathway rescues Alzheimer's disease in the mouse. Brain. 2016 Mar; 139(Pt 3):937-52. PMID: 26787453.
      View in: PubMed
    8. Pehar M, Ball LE, Sharma DR, Harlan BA, Comte-Walters S, Neely BA, Vargas MR. Changes in Protein Expression and Lysine Acetylation Induced by Decreased Glutathione Levels in Astrocytes. Mol Cell Proteomics. 2016 Feb; 15(2):493-505. PMID: 26486419.
      View in: PubMed
    9. Li M, Pehar M, Liu Y, Bhattacharyya A, Zhang SC, O'Riordan KJ, Burger C, D'Adamio L, Puglielli L. The amyloid precursor protein (APP) intracellular domain regulates translation of p44, a short isoform of p53, through an IRES-dependent mechanism. Neurobiol Aging. 2015 Oct; 36(10):2725-36. PMID: 26174856.
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    10. Pehar M, Beeson G, Beeson CC, Johnson JA, Vargas MR. Mitochondria-targeted catalase reverts the neurotoxicity of hSOD1G?³A astrocytes without extending the survival of ALS-linked mutant hSOD1 mice. PLoS One. 2014; 9(7):e103438. PMID: 25054289.
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    11. Peng Y, Li M, Clarkson BD, Pehar M, Lao PJ, Hillmer AT, Barnhart TE, Christian BT, Mitchell HA, Bendlin BB, Sandor M, Puglielli L. Deficient import of acetyl-CoA into the ER lumen causes neurodegeneration and propensity to infections, inflammation, and cancer. J Neurosci. 2014 May 14; 34(20):6772-89. PMID: 24828632.
      View in: PubMed
    12. Pehar M, Ko MH, Li M, Scrable H, Puglielli L. P44, the 'longevity-assurance' isoform of P53, regulates tau phosphorylation and is activated in an age-dependent fashion. Aging Cell. 2014 Jun; 13(3):449-56. PMID: 24341977.
      View in: PubMed
    13. Mak AB, Pehar M, Nixon AM, Williams RA, Uetrecht AC, Puglielli L, Moffat J. Post-translational regulation of CD133 by ATase1/ATase2-mediated lysine acetylation. J Mol Biol. 2014 May 29; 426(11):2175-82. PMID: 24556617.
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    14. Sridharan A, Pehar M, Salamat MS, Pugh TD, Bendlin BB, Willette AA, Anderson RM, Kemnitz JW, Colman RJ, Weindruch RH, Puglielli L, Johnson SC. Calorie restriction attenuates astrogliosis but not amyloid plaque load in aged rhesus macaques: a preliminary quantitative imaging study. Brain Res. 2013 May 01; 1508:1-8. PMID: 23473840.
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    15. Pehar M, Puglielli L. Lysine acetylation in the lumen of the ER: a novel and essential function under the control of the UPR. Biochim Biophys Acta. 2013 Mar; 1833(3):686-97. PMID: 23247107.
      View in: PubMed
    16. Pehar M, Jonas MC, Hare TM, Puglielli L. SLC33A1/AT-1 protein regulates the induction of autophagy downstream of IRE1/XBP1 pathway. J Biol Chem. 2012 Aug 24; 287(35):29921-30. PMID: 22787145.
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    17. Pehar M, Lehnus M, Karst A, Puglielli L. Proteomic assessment shows that many endoplasmic reticulum (ER)-resident proteins are targeted by N(epsilon)-lysine acetylation in the lumen of the organelle and predicts broad biological impact. J Biol Chem. 2012 Jun 29; 287(27):22436-40. PMID: 22628546.
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    18. Ding Y, Ko MH, Pehar M, Kotch F, Peters NR, Luo Y, Salamat SM, Puglielli L. Biochemical inhibition of the acetyltransferases ATase1 and ATase2 reduces ß-secretase (BACE1) levels and Aß generation. J Biol Chem. 2012 Mar 09; 287(11):8424-33. PMID: 22267734.
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    19. Jonas MC, Pehar M, Puglielli L. AT-1 is the ER membrane acetyl-CoA transporter and is essential for cell viability. J Cell Sci. 2010 Oct 01; 123(Pt 19):3378-88. PMID: 20826464.
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    20. Pehar M, O'Riordan KJ, Burns-Cusato M, Andrzejewski ME, del Alcazar CG, Burger C, Scrable H, Puglielli L. Altered longevity-assurance activity of p53:p44 in the mouse causes memory loss, neurodegeneration and premature death. Aging Cell. 2010 Apr; 9(2):174-90. PMID: 20409077.
      View in: PubMed
    21. Barbeito AG, Martinez-Palma L, Vargas MR, Pehar M, Mañay N, Beckman JS, Barbeito L, Cassina P. Lead exposure stimulates VEGF expression in the spinal cord and extends survival in a mouse model of ALS. Neurobiol Dis. 2010 Mar; 37(3):574-80. PMID: 19914377.
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    22. Vargas MR, Pehar M, Díaz-Amarilla PJ, Beckman JS, Barbeito L. Transcriptional profile of primary astrocytes expressing ALS-linked mutant SOD1. J Neurosci Res. 2008 Dec; 86(16):3515-25. PMID: 18683239.
      View in: PubMed
    23. Cassina P, Cassina A, Pehar M, Castellanos R, Gandelman M, de León A, Robinson KM, Mason RP, Beckman JS, Barbeito L, Radi R. Mitochondrial dysfunction in SOD1G93A-bearing astrocytes promotes motor neuron degeneration: prevention by mitochondrial-targeted antioxidants. J Neurosci. 2008 Apr 16; 28(16):4115-22. PMID: 18417691.
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    24. Dupuis L, Pehar M, Cassina P, Rene F, Castellanos R, Rouaux C, Gandelman M, Dimou L, Schwab ME, Loeffler JP, Barbeito L, Gonzalez de Aguilar JL. Nogo receptor antagonizes p75NTR-dependent motor neuron death. Proc Natl Acad Sci U S A. 2008 Jan 15; 105(2):740-5. PMID: 18182498.
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    25. Pehar M, Vargas MR, Robinson KM, Cassina P, Díaz-Amarilla PJ, Hagen TM, Radi R, Barbeito L, Beckman JS. Mitochondrial superoxide production and nuclear factor erythroid 2-related factor 2 activation in p75 neurotrophin receptor-induced motor neuron apoptosis. J Neurosci. 2007 Jul 18; 27(29):7777-85. PMID: 17634371.
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    26. Robinson KM, Janes MS, Pehar M, Monette JS, Ross MF, Hagen TM, Murphy MP, Beckman JS. Selective fluorescent imaging of superoxide in vivo using ethidium-based probes. Proc Natl Acad Sci U S A. 2006 Oct 10; 103(41):15038-43. PMID: 17015830.
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    27. Sáez ET, Pehar M, Vargas MR, Barbeito L, Maccioni RB. Production of nerve growth factor by beta-amyloid-stimulated astrocytes induces p75NTR-dependent tau hyperphosphorylation in cultured hippocampal neurons. J Neurosci Res. 2006 Oct; 84(5):1098-106. PMID: 16862561.
      View in: PubMed
    28. Pehar M, Cassina P, Vargas MR, Xie Y, Beckman JS, Massa SM, Longo FM, Barbeito L. Modulation of p75-dependent motor neuron death by a small non-peptidyl mimetic of the neurotrophin loop 1 domain. Eur J Neurosci. 2006 Sep; 24(6):1575-80. PMID: 17004921.
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    29. Pehar M, Vargas MR, Robinson KM, Cassina P, England P, Beckman JS, Alzari PM, Barbeito L. Peroxynitrite transforms nerve growth factor into an apoptotic factor for motor neurons. Free Radic Biol Med. 2006 Dec 01; 41(11):1632-44. PMID: 17145551.
      View in: PubMed
    30. Vargas MR, Pehar M, Cassina P, Beckman JS, Barbeito L. Increased glutathione biosynthesis by Nrf2 activation in astrocytes prevents p75NTR-dependent motor neuron apoptosis. J Neurochem. 2006 May; 97(3):687-96. PMID: 16524372.
      View in: PubMed
    31. Vargas MR, Pehar M, Cassina P, Martínez-Palma L, Thompson JA, Beckman JS, Barbeito L. Fibroblast growth factor-1 induces heme oxygenase-1 via nuclear factor erythroid 2-related factor 2 (Nrf2) in spinal cord astrocytes: consequences for motor neuron survival. J Biol Chem. 2005 Jul 08; 280(27):25571-9. PMID: 15870071.
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    32. Cassina P, Pehar M, Vargas MR, Castellanos R, Barbeito AG, Estévez AG, Thompson JA, Beckman JS, Barbeito L. Astrocyte activation by fibroblast growth factor-1 and motor neuron apoptosis: implications for amyotrophic lateral sclerosis. J Neurochem. 2005 Apr; 93(1):38-46. PMID: 15773903.
      View in: PubMed
    33. Pehar M, Vargas MR, Cassina P, Barbeito AG, Beckman JS, Barbeito L. Complexity of astrocyte-motor neuron interactions in amyotrophic lateral sclerosis. Neurodegener Dis. 2005; 2(3-4):139-46. PMID: 16909019.
      View in: PubMed
    34. Barbeito LH, Pehar M, Cassina P, Vargas MR, Peluffo H, Viera L, Estévez AG, Beckman JS. A role for astrocytes in motor neuron loss in amyotrophic lateral sclerosis. Brain Res Brain Res Rev. 2004 Dec; 47(1-3):263-74. PMID: 15572176.
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    35. Saez TE, Pehar M, Vargas M, Barbeito L, Maccioni RB. Astrocytic nitric oxide triggers tau hyperphosphorylation in hippocampal neurons. In Vivo. 2004 May-Jun; 18(3):275-80. PMID: 15341183.
      View in: PubMed
    36. Vargas MR, Pehar M, Cassina P, Estévez AG, Beckman JS, Barbeito L. Stimulation of nerve growth factor expression in astrocytes by peroxynitrite. In Vivo. 2004 May-Jun; 18(3):269-74. PMID: 15341182.
      View in: PubMed
    37. Pehar M, Cassina P, Vargas MR, Castellanos R, Viera L, Beckman JS, Estévez AG, Barbeito L. Astrocytic production of nerve growth factor in motor neuron apoptosis: implications for amyotrophic lateral sclerosis. J Neurochem. 2004 Apr; 89(2):464-73. PMID: 15056289.
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    38. Martinez-Palma L, Pehar M, Cassina P, Peluffo H, Castellanos R, Anesetti G, Beckman JS, Barbeito L. Involvement of nitric oxide on kainate-induced toxicity in oligodendrocyte precursors. Neurotox Res. 2003; 5(6):399-406. PMID: 14715442.
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    39. Pehar M, Martínez-Palma L, Peluffo H, Kamaid A, Cassina P, Barbeito L. Peroxynitrite-induced cytotoxicity in cultured astrocytes is associated with morphological changes and increased nitrotyrosine immunoreactivity. Neurotox Res. 2002 Mar; 4(2):87-93. PMID: 12829407.
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    40. Cassina P, Peluffo H, Pehar M, Martinez-Palma L, Ressia A, Beckman JS, Estévez AG, Barbeito L. Peroxynitrite triggers a phenotypic transformation in spinal cord astrocytes that induces motor neuron apoptosis. J Neurosci Res. 2002 Jan 01; 67(1):21-9. PMID: 11754077.
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