Susan G Amara

Summary

Affiliation: University of Pittsburgh
Country: USA

Publications

  1. ncbi Neuroscience in recession?
    Susan G Amara
    Department of Neurobiology, University of Pittsburgh School of Medicine, and the Center for Neuroscience at the University of Pittsburgh, Biomedical Science Tower 3, 6th Floor, Room 6057, 3501 Fifth Avenue, Pittsburgh, Pennsylvania 15260, USA
    Nat Rev Neurosci 12:297-302. 2011
  2. ncbi Enhancing glutamate transport: mechanism of action of Parawixin1, a neuroprotective compound from Parawixia bistriata spider venom
    Andréia Cristina Karklin Fontana
    Department of Neurobiology, University of Pittsburgh, 6068 BST3, 3501 Fifth Ave, Pittsburgh, PA 15260, USA
    Mol Pharmacol 72:1228-37. 2007
  3. ncbi Gain of function mutants reveal sites important for the interaction of the atypical inhibitors benztropine and bupropion with monoamine transporters
    Ole V Mortensen
    Department of Neurobiology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA
    J Neurochem 98:1531-40. 2006
  4. ncbi Dynamic regulation of the dopamine transporter
    Ole V Mortensen
    Department of Neurobiology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15261, USA
    Eur J Pharmacol 479:159-70. 2003
  5. ncbi Two allelic isoforms of the serotonin transporter from Schistosoma mansoni display electrogenic transport and high selectivity for serotonin
    Andreia C K Fontana
    Department of Neurobiology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15260, USA
    Eur J Pharmacol 616:48-57. 2009
  6. ncbi Time-resolved mechanism of extracellular gate opening and substrate binding in a glutamate transporter
    Indira H Shrivastava
    Department of Computational Biology, University of Pittsburgh, Pittsburgh, Pennsylvania 15213, USA
    J Biol Chem 283:28680-90. 2008
  7. ncbi Genetic complementation screen identifies a mitogen-activated protein kinase phosphatase, MKP3, as a regulator of dopamine transporter trafficking
    Ole Valente Mortensen
    Department of Neurobiology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15260, USA
    Mol Biol Cell 19:2818-29. 2008
  8. ncbi Close encounters of the oily kind: regulation of transporters by lipids
    Christopher B Divito
    University of Pittsburgh, Department of Neurobiology, Pittsburgh, PA 15260, USA
    Mol Interv 9:252-62. 2009
  9. ncbi Molecular simulations elucidate the substrate translocation pathway in a glutamate transporter
    Yan Gu
    Department of Computational Biology and Neurobiology, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
    Proc Natl Acad Sci U S A 106:2589-94. 2009
  10. ncbi Purification of a neuroprotective component of Parawixia bistriata spider venom that enhances glutamate uptake
    Andréia Cristina Karklin Fontana
    Laboratory of Neurochemistry, Department of Biochemistry and Immunology, Ribeirao Preto School of Medicine, University of Sao Paulo, Brazil
    Br J Pharmacol 139:1297-309. 2003

Collaborators

Detail Information

Publications19

  1. ncbi Neuroscience in recession?
    Susan G Amara
    Department of Neurobiology, University of Pittsburgh School of Medicine, and the Center for Neuroscience at the University of Pittsburgh, Biomedical Science Tower 3, 6th Floor, Room 6057, 3501 Fifth Avenue, Pittsburgh, Pennsylvania 15260, USA
    Nat Rev Neurosci 12:297-302. 2011
    ..Their responses provide interesting and important insights into the regional impact of the global financial downturn, with some causes for optimism for the future of neuroscience research...
  2. ncbi Enhancing glutamate transport: mechanism of action of Parawixin1, a neuroprotective compound from Parawixia bistriata spider venom
    Andréia Cristina Karklin Fontana
    Department of Neurobiology, University of Pittsburgh, 6068 BST3, 3501 Fifth Ave, Pittsburgh, PA 15260, USA
    Mol Pharmacol 72:1228-37. 2007
    ....
  3. ncbi Gain of function mutants reveal sites important for the interaction of the atypical inhibitors benztropine and bupropion with monoamine transporters
    Ole V Mortensen
    Department of Neurobiology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA
    J Neurochem 98:1531-40. 2006
    ..Thus, these studies begin to identify residues that are important for the unique molecular interactions of benztropine and bupropion with the DAT, and that ultimately may contribute to the distinct behavioral actions of these drugs...
  4. ncbi Dynamic regulation of the dopamine transporter
    Ole V Mortensen
    Department of Neurobiology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15261, USA
    Eur J Pharmacol 479:159-70. 2003
    ..This review focuses on recent evidence for several distinct mechanisms which dynamically regulate dopamine transporter activity and thus have an important role in shaping the duration and amplitude of dopamine signals in the brain...
  5. ncbi Two allelic isoforms of the serotonin transporter from Schistosoma mansoni display electrogenic transport and high selectivity for serotonin
    Andreia C K Fontana
    Department of Neurobiology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15260, USA
    Eur J Pharmacol 616:48-57. 2009
    ....
  6. ncbi Time-resolved mechanism of extracellular gate opening and substrate binding in a glutamate transporter
    Indira H Shrivastava
    Department of Computational Biology, University of Pittsburgh, Pittsburgh, Pennsylvania 15213, USA
    J Biol Chem 283:28680-90. 2008
    ..The functional importance of Leu-303 or its counterpart Leu-391 in human EAAT1 (hEAAT1) is confirmed by site-directed mutagenesis and Na+ dependence assays conducted with hEAAT1 mutants L391C and L391A...
  7. ncbi Genetic complementation screen identifies a mitogen-activated protein kinase phosphatase, MKP3, as a regulator of dopamine transporter trafficking
    Ole Valente Mortensen
    Department of Neurobiology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15260, USA
    Mol Biol Cell 19:2818-29. 2008
    ..These results indicate that MKP3 can act to enhance DAT function and identifies MKP3 as a phosphatase involved in regulating dynamin-dependent endocytosis...
  8. ncbi Close encounters of the oily kind: regulation of transporters by lipids
    Christopher B Divito
    University of Pittsburgh, Department of Neurobiology, Pittsburgh, PA 15260, USA
    Mol Interv 9:252-62. 2009
    ....
  9. ncbi Molecular simulations elucidate the substrate translocation pathway in a glutamate transporter
    Yan Gu
    Department of Computational Biology and Neurobiology, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
    Proc Natl Acad Sci U S A 106:2589-94. 2009
    ....
  10. ncbi Purification of a neuroprotective component of Parawixia bistriata spider venom that enhances glutamate uptake
    Andréia Cristina Karklin Fontana
    Laboratory of Neurochemistry, Department of Biochemistry and Immunology, Ribeirao Preto School of Medicine, University of Sao Paulo, Brazil
    Br J Pharmacol 139:1297-309. 2003
    ..5) This active spider venom component may serve as a basis for designing therapeutic drugs that increase glutamate clearance and limit neurodegeneration...
  11. ncbi The multiple LIM domain-containing adaptor protein Hic-5 synaptically colocalizes and interacts with the dopamine transporter
    Ana M Carneiro
    Howard Hughes Medical Institute, Department of Cell Biology, Duke University Medical Center, Durham, North Carolina 27710, USA
    J Neurosci 22:7045-54. 2002
    ....
  12. ncbi Effects of Tityus serrulatus scorpion venom and its toxin TsTX-V on neurotransmitter uptake in vitro
    Alessandra L Cecchini
    , , Av. do Caf, s/n, 14040-903, , Brazil
    Toxicol Appl Pharmacol 217:196-203. 2006
    ..Thus, TsTX-V causes a reduction of (3)H-GABA and (3)H-DA uptake in a Ca(2+)-dependent manner, not directly affecting GABA transporters, but, in consequence of depolarization, involving voltage-gated Na(+) channels...
  13. ncbi Dopamine transporter-mediated conductances increase excitability of midbrain dopamine neurons
    Susan L Ingram
    Vollum Institute and Howard Hughes Medical Institute, Oregon Health and Science University, 3181 SW Sam Jackson Park Road, Portland, Oregon 97201, USA
    Nat Neurosci 5:971-8. 2002
    ..Thus, in addition to clearing extracellular DA, our results suggest that the currents associated with DAT modulate excitability and may regulate release of neurotransmitter from midbrain DA neurons...
  14. ncbi Structural rearrangements at the translocation pore of the human glutamate transporter, EAAT1
    Barbara H Leighton
    Howard Hughes Medical Institute, Vollum Institute, Oregon Health and Science University, Portland, Oregon 97201, USA
    J Biol Chem 281:29788-96. 2006
    ..Such behavior likely reflects rearrangements in the tertiary structure of the translocation pore during transport and thus provides constraints for modeling the structural dynamics associated with transport...
  15. ncbi Differential regulation of GLAST immunoreactivity and activity by protein kinase C: evidence for modification of amino and carboxyl termini
    Bala T S Susarla
    Department of Pediatrics, University of Pennsylvania and Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
    J Neurochem 91:1151-63. 2004
    ....
  16. ncbi A hydrophobic domain in glutamate transporters forms an extracellular helix associated with the permeation pathway for substrates
    Barbara H Leighton
    Vollum Institute, Howard Hughes Medical Institute, Oregon Health and Sciences University, Portland, Oregon 97201, USA
    J Biol Chem 277:29847-55. 2002
    ..Our data are consistent with a model in which domain 10 exists as an alpha-helix at an aqueous interface of the translocation pathway, which can be directly occluded by substrates and inhibitors at an early step in the transport cycle...
  17. ncbi Chloride finds its place in the transport cycle
    Susan G Amara
    Nat Struct Mol Biol 14:792-4. 2007
  18. ncbi Characterization of novel L-threo-beta-benzyloxyaspartate derivatives, potent blockers of the glutamate transporters
    Keiko Shimamoto
    Suntory Institute for Bioorganic Research, 1 1 1, Wakayamadai, Shimamoto cho, Mishima gun, Osaka 618 8503, Japan
    Mol Pharmacol 65:1008-15. 2004
    ..Taken together, these findings indicate that novel TBOA analogs, especially TFB-TBOA, should serve as useful tools for elucidating the physiological roles of the glutamate transporters...
  19. ncbi A novel sorting motif in the glutamate transporter excitatory amino acid transporter 3 directs its targeting in Madin-Darby canine kidney cells and hippocampal neurons
    Chialin Cheng
    Howard Hughes Medical Institute, Oregon Health and Science University, Portland, Oregon 97239, USA
    J Neurosci 22:10643-52. 2002
    ....

Research Grants17

  1. Molecular Studies of Human CNS Glutamate Transporters
    Susan G Amara; Fiscal Year: 2010
    ....
  2. Molecular Studies of Human CNS Glutamate Transporters
    Susan Amara; Fiscal Year: 2007
    ....
  3. Molecular Studies of Human CNS Glutamate Transporters
    Susan Amara; Fiscal Year: 2005
    ..abstract_text> ..
  4. EXPRESSION PROFILING OF PSYCHOSTIMULANT-REGULATED GENES
    Susan Amara; Fiscal Year: 2002
    ..Understanding the common and unique actions of drugs from a global, genomic perspective should enable us to characterize and understand the mechanisms that underlie their profound behavioral consequences. ..
  5. MOLECULAR STUDIES OF CNS GLUTAMATE TRANSPORTERS
    Susan Amara; Fiscal Year: 1999
    ....
  6. MOLECULAR STUDIES OF CATECHOLAMINE TRANSPORTERS
    Susan G Amara; Fiscal Year: 2010
    ..abstract_text> ..