Henri Korn

Summary

Affiliation: Institut Pasteur
Country: France

Publications

  1. ncbi Escape behavior - brainstem and spinal cord circuitry and function
    H Korn
    Institut Pasteur, Biologie Cellulaire et Moleculaire du Neuorne, INSERM U 261, Department des Biotechnologies, 25 rue du Dr Roux, 75015 Paris, France
    Curr Opin Neurobiol 6:826-32. 1996
  2. ncbi Is there chaos in the brain? II. Experimental evidence and related models
    Henri Korn
    CNRS 2182, Institut Pasteur, 25, rue du Docteur Roux, 75724 Paris, France
    C R Biol 326:787-840. 2003
  3. ncbi Slow inhibitory potentials in the teleost Mauthner cell
    K Hatta
    , INSERM U261, Institut Pasteur, 25, rue du Dr Roux, 75724 Cedex 15, Paris, France
    Neuroscience 103:561-79. 2001
  4. ncbi Interplay between subthreshold potentials and gamma oscillations in Mauthner cells' presynaptic inhibitory interneurons
    F Marti
    Neurobiologie Intégrative des Systèmes Cholinergiques CNRS URA 2182, Institut Pasteur, 25 rue du Docteur Roux, 75724 Paris Cedex 15, France
    Neuroscience 151:983-94. 2008
  5. ncbi Regional distribution of glycine receptor messenger RNA in the central nervous system of zebrafish
    M Imboden
    Laboratoire de Biologie Cellulaire et Moléculaire du Neurone, INSERM U261, Institut Pasteur, 25, rue du Dr Roux, F 75724, Paris Cedex 15, France
    Neuroscience 103:811-30. 2001
  6. ncbi A statistical method for correcting distortions of amplitude distribution histograms due to collisions of synaptic events
    N Ankri
    Laboratoire de Biologie Cellulaire et Moléculaire du Neurone, INSERM U261, Institut Pasteur, Paris, France
    J Neurosci Methods 91:83-99. 1999
  7. ncbi Tonic inhibition alternates in paired neurons that set direction of fish escape reaction
    K Hatta
    Biologie Cellulaire et Moléculaire du Neurone, Institut National de la Santé et de la Recherche Médicale U261, Institut Pasteur, 25, rue du Dr Roux, 75724 Paris Cedex 15, France
    Proc Natl Acad Sci U S A 96:12090-5. 1999
  8. ncbi Functional integrity of green fluorescent protein conjugated glycine receptor channels
    B David-Watine
    INSERM U 261, Institut Pasteur, Paris, France
    Neuropharmacology 38:785-92. 1999
  9. ncbi Physiological properties of the Mauthner system in the adult zebrafish
    K Hatta
    Institut Pasteur, Biologie Cellulaire et Moléculaire du Neurone, INSERM U261, Departement des Biotechnologies, Paris, France
    J Comp Neurol 395:493-509. 1998
  10. ncbi A charybdotoxin-insensitive conductance in human T lymphocytes: T cell membrane potential is set by distinct K+ channels
    J A Verheugen
    Laboratoire de Neurobiologie Cellulaire et Moleculaire, INSERM U261, Institut Pasteur, Paris, France
    J Physiol 503:317-31. 1997

Collaborators

Detail Information

Publications19

  1. ncbi Escape behavior - brainstem and spinal cord circuitry and function
    H Korn
    Institut Pasteur, Biologie Cellulaire et Moleculaire du Neuorne, INSERM U 261, Department des Biotechnologies, 25 rue du Dr Roux, 75015 Paris, France
    Curr Opin Neurobiol 6:826-32. 1996
    ..Yet, modulation and plasticity contribute some variability to the expression of escape and, therefore, to the adequacy of its survival function...
  2. ncbi Is there chaos in the brain? II. Experimental evidence and related models
    Henri Korn
    CNRS 2182, Institut Pasteur, 25, rue du Docteur Roux, 75724 Paris, France
    C R Biol 326:787-840. 2003
    ..Both theories strongly challenge computationalism and suggest that new models are needed to describe how the external world is represented in the brain...
  3. ncbi Slow inhibitory potentials in the teleost Mauthner cell
    K Hatta
    , INSERM U261, Institut Pasteur, 25, rue du Dr Roux, 75724 Cedex 15, Paris, France
    Neuroscience 103:561-79. 2001
    ..In physiological conditions, this regulatory influence is expressed as a continuous shunt of this neuron's input resistance and responsiveness to sensory inputs...
  4. ncbi Interplay between subthreshold potentials and gamma oscillations in Mauthner cells' presynaptic inhibitory interneurons
    F Marti
    Neurobiologie Intégrative des Systèmes Cholinergiques CNRS URA 2182, Institut Pasteur, 25 rue du Docteur Roux, 75724 Paris Cedex 15, France
    Neuroscience 151:983-94. 2008
    ..Our results demonstrate that multiple frequencies, all in the gamma range, can coexist in the same network and that oscillations are present in a well defined population of inhibitory cells that controls fast decision-making...
  5. ncbi Regional distribution of glycine receptor messenger RNA in the central nervous system of zebrafish
    M Imboden
    Laboratoire de Biologie Cellulaire et Moléculaire du Neurone, INSERM U261, Institut Pasteur, 25, rue du Dr Roux, F 75724, Paris Cedex 15, France
    Neuroscience 103:811-30. 2001
    ..This report extends the already described glycine receptor expression in the vertebrate CNS and confirms the importance of glycine-mediated inhibition in spinal cord and brainstem...
  6. ncbi A statistical method for correcting distortions of amplitude distribution histograms due to collisions of synaptic events
    N Ankri
    Laboratoire de Biologie Cellulaire et Moléculaire du Neurone, INSERM U261, Institut Pasteur, Paris, France
    J Neurosci Methods 91:83-99. 1999
    ..Its use becomes necessary when the frequency of events is of the order of 8-50 Hz, depending upon their time to peak, which ranges from 6 to 1 ms in most synaptic potentials recorded in the central nervous system...
  7. ncbi Tonic inhibition alternates in paired neurons that set direction of fish escape reaction
    K Hatta
    Biologie Cellulaire et Moléculaire du Neurone, Institut National de la Santé et de la Recherche Médicale U261, Institut Pasteur, 25, rue du Dr Roux, 75724 Paris Cedex 15, France
    Proc Natl Acad Sci U S A 96:12090-5. 1999
    ..This suggests that an avoidance reflex in one direction may favor initiation, by the opposite M cell, of a subsequent escape toward a more appropriate location...
  8. ncbi Functional integrity of green fluorescent protein conjugated glycine receptor channels
    B David-Watine
    INSERM U 261, Institut Pasteur, Paris, France
    Neuropharmacology 38:785-92. 1999
    ..Overall, the preservation in alphaZ1-GFPs of the wild type receptor functional properties makes it a promising new tool for further in situ investigations of GlyR expression, distribution and function...
  9. ncbi Physiological properties of the Mauthner system in the adult zebrafish
    K Hatta
    Institut Pasteur, Biologie Cellulaire et Moléculaire du Neurone, INSERM U261, Departement des Biotechnologies, Paris, France
    J Comp Neurol 395:493-509. 1998
    ..The similarities of their properties indicate that the wealth of information generated over decades in the goldfish can be extrapolated to the zebrafish...
  10. ncbi A charybdotoxin-insensitive conductance in human T lymphocytes: T cell membrane potential is set by distinct K+ channels
    J A Verheugen
    Laboratoire de Neurobiologie Cellulaire et Moleculaire, INSERM U261, Institut Pasteur, Paris, France
    J Physiol 503:317-31. 1997
    ..The enhanced Ca2+ response of activated cells, which express increased numbers of K(Ca) channels, is in addition subject to modulation by blockers which prevent the hyperpolarization during the Ca2+ rise mediated by these channels...
  11. ncbi Enhancement of calcium signaling and proliferation responses in activated human T lymphocytes. Inhibitory effects of K+ channel block by charybdotoxin depend on the T cell activation state
    J A Verheugen
    Laboratoire de Neurobiologie Cellulaire et Moleculaire, INSERM U261, Institut Pasteur, Paris, France
    Cell Calcium 21:1-17. 1997
    ..However, when applied during the first 4-5 days of activation, CTX reduces in addition the average level of the TCR evoked Ca2+ response and inhibits subsequent proliferation...
  12. ncbi Activation of human alpha1 and alpha2 homomeric glycine receptors by taurine and GABA
    D de Saint Jan
    , INSERM U261, Institut Pasteur, 25, rue du Docteur Roux, 75724 Paris Cedex 15, France
    J Physiol 535:741-55. 2001
    ..However, the stability of the Hill coefficient for glycine was not explained by this model, suggesting that other mechanisms are involved in the modulation of EC50...
  13. ncbi The Mauthner cell half a century later: a neurobiological model for decision-making?
    Henri Korn
    Laboratoire Recepteurs et Cognition, CNRS, URA 2182, Institut Pasteur, 25, rue du Docteur Roux, 75724 Paris Cedex 15, France
    Neuron 47:13-28. 2005
    ..The M cell sets the behavioral threshold, and, acting in concert with other elements of the brainstem escape network, determines when, where, and how the escape is executed...
  14. ncbi Cloning, expression and electrophysiological characterization of glycine receptor alpha subunit from zebrafish
    B David-Watine
    INSERM U 261, Institut Pasteur, Paris, France
    Neuroscience 90:303-17. 1999
    ....
  15. ncbi Isolation and characterization of an alpha 2-type zebrafish glycine receptor subunit
    M Imboden
    Laboratoire de Biologie Cellulaire et Moléculaire du Neurone, INSERM U261, Institut Pasteur, 25, rue du Dr Roux, F 75724, Paris Cedex 15, France
    Neuroscience 103:799-810. 2001
    ..This report contributes to the characterization of the diversity of glycine receptor isoforms in vertebrates...
  16. ncbi Dual effects of serotonin on a voltage-gated conductance in lymphocytes
    D Choquet
    Institut National de la Santé et de la Recherche Médicale U261, Departement des Biotechnologies, Institut Pasteur, Paris, France
    Proc Natl Acad Sci U S A 85:4557-61. 1988
    ..These two results show that hormones can affect lymphocyte physiology through modulation of their ionic conductances in a way that might help explain some of the diverse effects of 5-HT on neuronal cells...
  17. ncbi Is there chaos in the brain? I. Concepts of nonlinear dynamics and methods of investigation
    P Faure
    Biologie cellulaire et moléculaire du neurone Inserm V261, Institut Pasteur, 25 rue Docteur Roux, 75724 Paris, 15, France
    C R Acad Sci III 324:773-93. 2001
    ..The benefits for the brain of adopting chaotic regimes with their wide range of potential behaviours and their aptitude to quickly react to changing conditions will also be considered...
  18. ncbi Characterization of the two zebrafish orthologues of the KAL-1 gene underlying X chromosome-linked Kallmann syndrome
    O Ardouin
    Unité de Génétique des Déficits Sensoriels, CNRS URA 1968, Institut Pasteur, 25 rue du Dr Roux, F 75724, Paris, France
    Mech Dev 90:89-94. 2000
    ..The relevance of the zebrafish as an animal model for studying both the function of KAL-1 in normal development and the developmental failure leading to the olfactory defect in Kallmann syndrome, is discussed...
  19. ncbi One-vesicle hypothesis has been extensively discussed
    Henri Korn
    Nature 449:781. 2007