Lasse Kristoffer Bak

Lasse Kristoffer Bak

Guest Researcher, Professor

ORCID: 0000-0003-0784-7864

Publication year:
All
1 - 50 out of 93Page size: 50
  1. 2003
  2. Published

    Characterization of depolarization-coupled release of glutamate from cultured mouse cerebellar granule cells using DL-threo-beta-benzyloxyaspartate (DL-TBOA) to distinguish between the vesicular and cytoplasmic pools

    Bak, Lasse Kristoffer, Schousboe, Arne & Waagepetersen, Helle S., 14 May 2003, In: Neurochemistry International. 43, 4-5, p. 417-24 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. 2004
  4. Published

    Role of astrocytes in depolarization-coupled release of glutamate in cerebellar cultures

    Bak, Lasse Kristoffer, Waagepetersen, Helle S. & Schousboe, Arne, Jan 2004, In: Neurochemical Research. 29, 1, p. 257-65 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Published

    Role of astrocytic transport processes in glutamatergic and GABAergic neurotransmission

    Schousboe, Arne, Sarup, A., Bak, Lasse Kristoffer, Waagepetersen, Helle S. & Larsson, O. M., Sep 2004, In: Neurochemistry International. 45, 4, p. 521-7 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    Activity of the lactate-alanine shuttle is independent of glutamate-glutamine cycle activity in cerebellar neuronal-astrocytic cultures

    Bak, Lasse Kristoffer, Sickmann, H. M., Schousboe, Arne & Waagepetersen, Helle S., 4 Dec 2004, In: Journal of Neuroscience Research. 79, 1-2, p. 88-96 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. 2006
  8. Published

    The orphan transporter v7-3 (slc6a15) is a Na+-dependent neutral amino acid transporter (B0AT2)

    Bröer, A., Tietze, N., Kowalczuk, S., Chubb, S., Munzinger, M., Bak, Lasse Kristoffer & Bröer, S., 1 Jan 2006, In: Biochemical Journal. 393, Pt 1, p. 421-30 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Published

    Demonstration of extensive GABA synthesis in the small population of GAD positive neurons in cerebellar cultures by the use of pharmacological tools

    Sonnewald, U., Kortner, T. M., Qu, H., Olstad, E., Suñol, C., Bak, Lasse Kristoffer, Schousboe, Arne & Waagepetersen, Helle S., 7 Mar 2006, In: Neurochemistry International. 48, 6-7, p. 572-8 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    The glutamate/GABA-glutamine cycle: aspects of transport, neurotransmitter homeostasis and ammonia transfer

    Bak, Lasse Kristoffer, Schousboe, Arne & Waagepetersen, Helle S., Aug 2006, In: Journal of Neurochemistry. 98, 3, p. 641-53 13 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    Glucose is necessary to maintain neurotransmitter homeostasis during synaptic activity in cultured glutamatergic neurons

    Bak, Lasse Kristoffer, Schousboe, Arne, Sonnewald, U. & Waagepetersen, Helle S., Oct 2006, In: Journal of Cerebral Blood Flow and Metabolism. 26, 10, p. 1285-97 13 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. 2007
  13. Published

    Among the branched-chain amino acids, only valine metabolism is up-regulated in astrocytes during glutamate exposure

    Bak, Lasse Kristoffer, Johansen, M. L., Schousboe, Arne & Waagepetersen, Helle S., 2007, In: Journal of Neuroscience Research. 86, p. 3465-3470

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Complex glutamate labeling from [U-13C]glucose or [U-13C]lactate in co-cultures of cerebellar neurons and astrocytes

    Bak, Lasse Kristoffer, Waagepetersen, Helle S., Melø, T. M., Schousboe, Arne & Sonnewald, U., 2007, In: Neurochemical Research. 32, p. 671-680

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    Energy substrates to support glutamatergic and GABAergic synaptic function: Role of glycogen, glucose and lactate

    Schousboe, Arne, Bak, Lasse Kristoffer, Sickmann, H. M., Sonnewald, U. & Waagepetersen, Helle S., 2007, In: Neurotoxicity Research. 12, 4, p. 263-268

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. Published

    The metabolic role of isoleucine in detoxification of ammonia in cultured mouse neurons and astrocytes

    Johansen, M. L., Bak, Lasse Kristoffer, Schousboe, Arne, Iversen, P., Sørensen, M., Keiding, S., Vilstrup, H., Gjedde, A., Ott, P. & Waagepetersen, Helle S., 2007, In: Neurochemistry International. 50, p. 1042-1051

    Research output: Contribution to journal › Journal article › Research › peer-review

  17. Published

    Energy substrates to support glutamatergic and GABAergic synaptic function: role of glycogen, glucose and lactate

    Schousboe, Arne, Bak, Lasse Kristoffer, Sickmann, H. M., Sonnewald, U. & Waagepetersen, Helle S., Dec 2007, In: Neurotoxicity Research. 12, 4, p. 263-8 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. 2008
  19. Published

    Demonstration of neuron-glia transfer of precursors for Gaba biosynthesis in a co-culture system of dissociated mouse cerebral cortex

    Leke, R., Bak, Lasse Kristoffer, Schousboe, Arne & Waagepetersen, Helle S., 2008, In: Neurochemical Research. 33, 12, p. 2629-2635

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. Published

    Is neuronal utilization of glucose and lactate linked to Ca2+-dependent modulation of malate-aspartate shuttle activity?

    Waagepetersen, Helle S., Bak, Lasse Kristoffer, Walls, Anne Byriel & Schousboe, Arne, 2008.

    Research output: Contribution to conference › Poster › Research

  21. Published

    Metabolism of [U-13C]glutamine and [U-13C]glutamate in isolated rat brain mitochondria suggests functional phosphate-activated glutaminase activity in matrix

    Bak, Lasse Kristoffer, Zieminska, E., Waagepetersen, Helle S., Schousboe, Arne & Albrecht, J., 2008, In: Neurochemical Research. 33, 2, p. 273-278

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. 2009
  23. Published

    Impact of the malate-aspartate shuttle in glutamate neurotransmission

    Waagepetersen, Helle S., Bak, Lasse Kristoffer, Lund, Trine Meldgaard, Walls, A. B., Sonnewald, U. & Schousboe, Arne, 2009, In: Journal of Neurochemistry. s1, p. 9

    Research output: Contribution to journal › Conference abstract in journal › Research

  24. Published

    Low Cerebral Oxygen Consumption and Blood Flow in Patients With Cirrhosis and an Acute Episode of Hepatic Encephalopathy

    Iversen, P., Bak, Lasse Kristoffer, Waagepetersen, Helle S., Vafaee, M. S., Borghammer, P., Mouridsen, K., Jensen, S. B., Vilstrup, H., Schousboe, Arne, Ott, P., Gjedde, Albert & Keiding, S., 2009, In: Gastroenterology. 136, 3, p. 863-871

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. Published

    Metabolic fate of isoleucine in a rat model of hepatic encephalopathy and in cultured neural cells exposed to ammonia

    Bak, Lasse Kristoffer, Iversen, P., Sørensen, M., Keiding, S., Vilstrup, H., Ott, P., Waagepetersen, Helle S. & Schousboe, Arne, 2009, In: Metabolic Brain Disease. 24, 1, p. 135-145

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. Published

    Neuronal glucose but not lactate utilization is positively correlated with NMDA-induced neurotransmission and fluctuations in cytosolic Ca2+ levels

    Bak, Lasse Kristoffer, Walls, Anne Byriel, Schousboe, Arne, Ring, A., Sonnewald, U. & Waagepetersen, Helle S., 2009, In: Journal of Neurochemistry. 109, Suppl. 1, p. 87-93 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. Published

    Reduced cerebral blood flow and oxygen consumption in cirrhosis patients with acute hepatic encephalopathy

    Keiding, S., Iversen, P., Sørensen, M., Bak, Lasse Kristoffer, Waagepetersen, Helle S., Gjedde, A., Schousboe, Arne & Vilstrup, H., 2009, In: Journal of Neurochemistry. s1, p. 269-270

    Research output: Contribution to journal › Conference abstract in journal › Research

  28. Published

    Erratum: Demonstration of neuron-glia transfer of precursors for gaba biosynthesis in a co-culture system of dissociated mouse cerebral cortex (Neurochem Res (2008) 33:26292635;DOI 10.1007/s11064-008-9814-6)

    Leke, R., Bak, Lasse Kristoffer, Schousboe, Arne & Waagepetersen, Helle S., 1 Dec 2009, In: Neurochemical Research. 34, 12, 1 p.

    Research output: Contribution to journal › Comment/debate › Research › peer-review

  29. 2010
  30. Published

    A functioning glycolysis is important for maintenance of glutamate transport in cultured astrocytes

    Schousboe, Arne, Sickmann, H. M., Bak, Lasse Kristoffer, Schousboe, I., Bouman, S. D. & Waagepetersen, Helle S., 2010, In: Journal of Neurochemistry. s1, p. 288-289

    Research output: Contribution to journal › Conference abstract in journal › Research

  31. Published

    Functional importance of the astrocytic glycogen-shunt and glycolysis for maintenance of an intact intra/extracellular glutamate gradient

    Schousboe, Arne, Sickmann, H. M., Walls, Anne Byriel, Bak, Lasse Kristoffer & Waagepetersen, Helle S., 2010, In: Neurotoxicity Research. 18, 1, p. 94-9 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  32. Published

    Planning and execution of a one-day PhD course employing the theory of didactical situations

    Bak, Lasse Kristoffer, 2010, Improving university science teaching and learning: pedagogical projects 2008. Voetmann Christiansen, F., Rump, C. & Degn, L. (eds.). Department of Science Education, University of Copenhagen, Vol. 1. p. 13-19 (Uden navn, Vol. 1).

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication

  33. 2011
  34. Published

    Brain energy and ammonia metabolism

    Bak, Lasse Kristoffer, Waagepetersen, Helle S. & Schousboe, Arne, 2011, Functional molecular imaging in hepatology. Bussum, The Netherlands: Bentham Science Publishers, p. 129-144

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  35. Published

    Glutamate and glutamine in brain disorders

    Bak, Lasse Kristoffer, Schousboe, Arne & Waagepetersen, Helle S., 2011, Neurochemical mechanisms in diseases. Blass, J. P. (ed.). New York: Springer Publishing Company, Vol. 1. p. 195-212 (Advances in Neurobiology).

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  36. Published

    The Value of Example Solutions in Pharmacy Education: The role of seniority and gender.

    Sandelin, Albin Gustav, Hansen, H. R., Baldursdóttir, S. G., Kristensen, Anders Skov, Bak, Lasse Kristoffer, Christiansen, Frederik Voetmann & Selhuber-Unkel, C. J. M., 2011, In: Pharmacy Education. 11, 1, p. 32-37 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  37. Published

    Detoxification of ammonia in mouse cortical GABAergic cell cultures increases neuronal oxidative metabolism and reveals an emerging role for release of glucose-derived alanine

    Leke, R., Bak, Lasse Kristoffer, Anker, M., Melø, T. M., Sørensen, M., Keiding, S., Vilstrup, H., Ott, P., Portela, L. V., Sonnewald, U., Schousboe, Arne & Waagepetersen, Helle S., 1 Apr 2011, In: Neurotoxicity Research. 19, 3, p. 496-510 15 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  38. Published

    Synthesis of neurotransmitter GABA via the neuronal tricarboxylic acid cycle is elevated in rats with liver cirrhosis consistent with a high GABAergic tone in chronic hepatic encephalopathy

    Leke, R., Bak, Lasse Kristoffer, Iversen, P., Sørensen, M., Keiding, S., Vilstrup, H., Ott, P., Portela, L. V., Schousboe, Arne & Waagepetersen, Helle S., 1 Jun 2011, In: Journal of Neurochemistry. 117, 5, p. 824-32 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  39. Published

    Branched-chain amino acids increase arterial blood ammonia in spite of enhanced intrinsic muscle ammonia metabolism in patients with cirrhosis and healthy subjects

    Dam, G., Keiding, S., Munk, O. L., Ott, P., Buhl, M., Vilstrup, H., Bak, Lasse Kristoffer, Waagepetersen, Helle S., Schousboe, Arne, Møller, N. & Sørensen, M., 1 Aug 2011, In: American Journal of Physiology: Gastrointestinal and Liver Physiology. 301, 2, p. G269-77

    Research output: Contribution to journal › Journal article › Research › peer-review

  40. Published

    Inhibition of glutamine synthesis induces glutamate dehydrogenase-dependent ammonia fixation into alanine in co-cultures of astrocytes and neurons

    Dadsetan, S., Bak, Lasse Kristoffer, Sørensen, M., Keiding, S., Vilstrup, H., Ott, P., Leke, R., Schousboe, Arne & Waagepetersen, Helle S., 1 Sep 2011, In: Neurochemistry International. 59, 4, p. 482-8 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  41. Published

    Neuron-glia interactions in glutamatergic neurotransmission: roles of oxidative and glycolytic adenosine triphosphate as energy source

    Schousboe, Arne, Sickmann, H. M., Bak, Lasse Kristoffer, Schousboe, I., Jajo, F. S., Faek, S. A. A. & Waagepetersen, Helle S., 1 Dec 2011, In: Journal of Neuroscience Research. 89, 12, p. 1926-34 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  42. 2012
  43. Published

    Aspects of astrocyte energy metabolism, amino acid neurotransmitter homoeostasis and metabolic compartmentation

    Kreft, M., Bak, Lasse Kristoffer, Waagepetersen, Helle S. & Schousboe, Arne, 2012, In: A S N Neuro. 4, 3, p. 187 199 p.

    Research output: Contribution to journal › Review › Research › peer-review

  44. Published

    Brain energy and ammonia metabolism

    Bak, Lasse Kristoffer, Schousboe, Arne & Waagepetersen, Helle S., 2012, Functional molecular imaging in hepatology. Bentham Science Publishers, Vol. 1. p. 129-144 16 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  45. Published

    Effects of adrenergic agents on intracellular ca(2+) homeostasis and metabolism of glucose in astrocytes with an emphasis on pyruvate carboxylation, oxidative decarboxylation and recycling: implications for glutamate neurotransmission and excitotoxicity

    Obel, L. L. F., Andersen, K. M. H., Bak, Lasse Kristoffer, Schousboe, Arne & Waagepetersen, Helle S., 2012, In: Neurotoxicity Research. 21, 4, p. 405-17 13 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  46. Published

    Impairment of the organization of locomotor and exploratory behaviors in bile duct-ligated rats

    Leke, R., de Oliveira, D. L., Mussulini, B. H. M., Pereira, M. S., Kazlauckas, V., Mazzini, G., Hartmann, C. R., Silveira, T. R., Simonsen, M., Bak, Lasse Kristoffer, Waagepetersen, Helle S., Keiding, S., Schousboe, Arne & Portela, L. V., 2012, In: P L o S One. 7, 5, p. e36322

    Research output: Contribution to journal › Journal article › Research › peer-review

  47. Published

    Novel model of neuronal bioenergetics: postsynaptic utilization of glucose but not lactate correlates positively with Ca2+ signalling in cultured mouse glutamatergic neurons

    Bak, Lasse Kristoffer, Obel, L. L. F., Walls, Anne Byriel, Schousboe, Arne, Faek, S. A. A., Jajo, F. S. & Waagepetersen, Helle S., 2012, In: A S N Neuro. 4, 3, p. 151-160

    Research output: Contribution to journal › Journal article › Research › peer-review

  48. Published

    Valine but not leucine or isoleucine supports neurotransmitter glutamate synthesis during synaptic activity in cultured cerebellar neurons

    Bak, Lasse Kristoffer, Johansen, M. L., Schousboe, Arne & Waagepetersen, Helle S., 2012, In: Journal of Neuroscience Research. 90, 9, p. 1768-75 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  49. Published

    Brain glycogen: new perspectives on its metabolic function and regulation at the subcellular level

    Obel, L. L. F., Müller, M. S., Walls, Anne Byriel, Sickmann, H. M., Bak, Lasse Kristoffer, Waagepetersen, Helle S. & Schousboe, Arne, 2 Mar 2012, In: Frontiers in Neuroenergetics. 4, 15 p.

    Research output: Contribution to journal › Review › Research › peer-review

  50. Published

    Primary cultures of astrocytes: their value in understanding astrocytes in health and disease

    Lange, S. C., Bak, Lasse Kristoffer, Waagepetersen, Helle S., Schousboe, Arne & Norenberg, M. D., Nov 2012, In: Neurochemical Research. 37, 11, p. 2569-88 20 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  51. 2013
  52. Published

    Amino acid neurotransmitter synthesis and removal

    Schousboe, Arne, Bak, Lasse Kristoffer, Madsen, K. K. & Waagepetersen, Helle S., 2013, Neuroglia. Kettenman, H. & Ransom, B. R. (eds.). 3. ed. Oxford: Oxford University Press, p. 443-456 14 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  53. Published

    Interorgan metabolism of ornithine phenylacetate (OP)-A novel strategy for treatment of hyperammonemia

    Dadsetan, S., Sørensen, M., Bak, Lasse Kristoffer, Vilstrup, H., Ott, P., Schousboe, Arne, Jalan, R., Keiding, S. & Waagepetersen, Helle S., 2013, In: Biochemical Pharmacology. 85, 1, p. 115-23 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  54. Published

    Reply to letter to the editor by Zheng G et al. Venous blood ammonia can be associated with cerebral blood flow in hepatic encephalopathy

    Dam, G., Keiding, S., Munk, O. L., Ott, P., Vilstrup, H., Bak, Lasse Kristoffer, Waagepetersen, Helle S., Schousboe, Arne & Sørensen, M., 2013, In: Hepatology. 58, 2, p. 833-834

    Research output: Contribution to journal › Comment/debate › Research › peer-review

  55. Published

    Hepatic encephalopathy is associated with decreased cerebral oxygen metabolism and blood flow, not increased ammonia uptake

    Dam, G., Keiding, S., Munk, O. L., Ott, P., Vilstrup, H., Bak, Lasse Kristoffer, Waagepetersen, Helle S., Schousboe, Arne & Sørensen, M., Jan 2013, In: Hepatology. 57, 1, p. 258-65 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  56. Published

    Glutamate dehydrogenase Isoforms with N-Terminal (His)6- or FLAG-tag retain their kinetic properties and cellular localization

    Pajecka, K., Nielsen, C. W., Hauge, A., Zaganas, I., Bak, Lasse Kristoffer, Schousboe, Arne, Plaitakis, A. & Waagepetersen, Helle S., 26 Apr 2013, In: Neurochemical Research. 39, 3, p. 487-499

    Research output: Contribution to journal › Journal article › Research › peer-review

  57. Published

    Complex actions of ionomycin in cultured cerebellar astrocytes affecting both calcium-induced calcium release and store-operated calcium entry

    Müller, M. S., Obel, L. L. F., Waagepetersen, Helle S., Schousboe, Arne & Bak, Lasse Kristoffer, Jun 2013, In: Neurochemical Research. 38, 6, p. 1260-5 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  58. Role of branched chain amino acids in cerebral ammonia homeostasis related to hepatic encephalopathy

    Bak, Lasse Kristoffer, Waagepetersen, H. S., Sørensen, M., Ott, P., Vilstrup, H., Keiding, S. & Schousboe, A., Jun 2013, In: Metabolic Brain Disease. 28, 2, p. 209-15 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  59. Published

    Brain alanine formation as an ammonia-scavenging pathway during hyperammonemia: effects of glutamine synthetase inhibition in rats and astrocyte-neuron co-cultures

    Dadsetan, S., Kukolj, E., Bak, Lasse Kristoffer, Sørensen, M., Ott, P., Vilstrup, H., Schousboe, Arne, Keiding, S. & Waagepetersen, Helle S., Aug 2013, In: Journal of Cerebral Blood Flow and Metabolism. 33, 8, p. 1235-41 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  60. Published

    Astrocytic control of biosynthesis and turnover of the neurotransmitters glutamate and GABA

    Schousboe, Arne, Bak, Lasse Kristoffer & Waagepetersen, Helle S., 15 Aug 2013, In: Frontiers in Endocrinology. 4, 102.

    Research output: Contribution to journal › Journal article › Research › peer-review

Previous 1 2 Next

ID: 1303653