Fusao Kawai

Summary

Affiliation: Fujita Health University
Country: Japan

Publications

  1. ncbi request reprint Odorants suppress voltage-gated currents in retinal horizontal cells in goldfish
    F Kawai
    Department of Physiology, School of Medicine, Fujita Health University, 1 98 Dengakugakubo, Kutsukakechou, Toyoake, Aichi, Japan
    Neurosci Lett 281:151-4. 2000
  2. doi request reprint Dopamine modulates the voltage response of human rod photoreceptors by inhibiting the h current
    Fusao Kawai
    Department of Physiology, School of Medicine, Fujita Health University, Aichi, Japan
    Invest Ophthalmol Vis Sci 52:4113-7. 2011
  3. ncbi request reprint [Ion channels and action potentials in olfactory receptor cells]
    Fusao Kawai
    Department of Physiology, School of Medicine, Fujita Health University, Toyoake, Japan
    Nihon Shinkei Seishin Yakurigaku Zasshi 27:201-5. 2007
  4. ncbi request reprint Suppression by an h current of spontaneous Na+ action potentials in human cone and rod photoreceptors
    Fusao Kawai
    Department of Physiology, School of Medicine, Fujita Health University, Aichi, Japan
    Invest Ophthalmol Vis Sci 46:390-7. 2005
  5. ncbi request reprint cGMP modulates spike responses of retinal ganglion cells via a cGMP-gated current
    Fusao Kawa
    Department of Neuroscience, University of Pennsylvania, Philadelphia, USA
    Vis Neurosci 19:373-80. 2002
  6. ncbi request reprint Modulation by hyperpolarization-activated cationic currents of voltage responses in human rods
    Fusao Kawai
    Department of Physiology, Fujita Health University, 1 98 Dengakugakubo, Kutsukakechou, Toyoake, Aichi, Japan
    Brain Res 943:48-55. 2002
  7. pmc Ca2+-activated K+ currents regulate odor adaptation by modulating spike encoding of olfactory receptor cells
    Fusao Kawai
    Department of Physiology, Fujita Health University, Toyoake, Aichi, 470 1192, Japan
    Biophys J 82:2005-15. 2002
  8. ncbi request reprint Na(+) action potentials in human photoreceptors
    F Kawai
    Department of Physiology, School of Medicine, Fujita Health University, Toyoake, Aichi 470 1192, Japan
    Neuron 30:451-8. 2001
  9. ncbi request reprint Enhancement by T-type Ca2+ currents of odor sensitivity in olfactory receptor cells
    F Kawai
    Department of Physiology, School of Medicine, Fujita Health University, Toyoake, Aichi, 470 1192, Japan
    J Neurosci 21:RC144. 2001
  10. ncbi request reprint Modulation by cGMP of the voltage-gated currents in newt olfactory receptor cells
    F Kawai
    Department of Physiology, School of Medicine, Fujita Health University, 1 98 Dengakugakubo, Kutsukakechou, Toyoake, Aichi, 470 1192, Japan
    Neurosci Res 39:327-37. 2001

Collaborators

Detail Information

Publications14

  1. ncbi request reprint Odorants suppress voltage-gated currents in retinal horizontal cells in goldfish
    F Kawai
    Department of Physiology, School of Medicine, Fujita Health University, 1 98 Dengakugakubo, Kutsukakechou, Toyoake, Aichi, Japan
    Neurosci Lett 281:151-4. 2000
    ..This suggests that odorants may suppress the voltage-gated currents in retinal horizontal cells by the same mechanism described in olfactory receptor cells...
  2. doi request reprint Dopamine modulates the voltage response of human rod photoreceptors by inhibiting the h current
    Fusao Kawai
    Department of Physiology, School of Medicine, Fujita Health University, Aichi, Japan
    Invest Ophthalmol Vis Sci 52:4113-7. 2011
    ..The purpose of this study was to determine how dopamine modulates I(h) in human rods and regulates voltage responses...
  3. ncbi request reprint [Ion channels and action potentials in olfactory receptor cells]
    Fusao Kawai
    Department of Physiology, School of Medicine, Fujita Health University, Toyoake, Japan
    Nihon Shinkei Seishin Yakurigaku Zasshi 27:201-5. 2007
    ..This review discusses current knowledge concerning the mechanisms of spike generation in ORCs. It also reviews how neurotransmitters and hormones modulate ionic currents and action potentials in ORCs...
  4. ncbi request reprint Suppression by an h current of spontaneous Na+ action potentials in human cone and rod photoreceptors
    Fusao Kawai
    Department of Physiology, School of Medicine, Fujita Health University, Aichi, Japan
    Invest Ophthalmol Vis Sci 46:390-7. 2005
    ..The sense of vision in humans is robust, and visual flickering is rarely experienced. To investigate this mechanism, electrophysiological and molecular biological techniques were used on human cone and rod photoreceptors...
  5. ncbi request reprint cGMP modulates spike responses of retinal ganglion cells via a cGMP-gated current
    Fusao Kawa
    Department of Neuroscience, University of Pennsylvania, Philadelphia, USA
    Vis Neurosci 19:373-80. 2002
    ..Modulation of this channel via the long-range NO-synthase amacrine cell may contribute to control of contrast gain by peripheral mechanisms...
  6. ncbi request reprint Modulation by hyperpolarization-activated cationic currents of voltage responses in human rods
    Fusao Kawai
    Department of Physiology, Fujita Health University, 1 98 Dengakugakubo, Kutsukakechou, Toyoake, Aichi, Japan
    Brain Res 943:48-55. 2002
    ..We suggest that I(h) becomes activated in the course of large hyperpolarizations generated by bright-light illumination and may modify the waveform of the photovoltage in human rods...
  7. pmc Ca2+-activated K+ currents regulate odor adaptation by modulating spike encoding of olfactory receptor cells
    Fusao Kawai
    Department of Physiology, Fujita Health University, Toyoake, Aichi, 470 1192, Japan
    Biophys J 82:2005-15. 2002
    ..I conclude that not only the ciliary machinery but also the somatic membrane currents are crucial to odor adaptation...
  8. ncbi request reprint Na(+) action potentials in human photoreceptors
    F Kawai
    Department of Physiology, School of Medicine, Fujita Health University, Toyoake, Aichi 470 1192, Japan
    Neuron 30:451-8. 2001
    ..This served to amplify the release of a neurotransmitter when a bright light is turned off, and thus selectively amplify the off response to the light signal...
  9. ncbi request reprint Enhancement by T-type Ca2+ currents of odor sensitivity in olfactory receptor cells
    F Kawai
    Department of Physiology, School of Medicine, Fujita Health University, Toyoake, Aichi, 470 1192, Japan
    J Neurosci 21:RC144. 2001
    ..We conclude that I(Ca,T) contributes to enhance odor sensitivity by lowering the threshold of spike generation in ORCs...
  10. ncbi request reprint Modulation by cGMP of the voltage-gated currents in newt olfactory receptor cells
    F Kawai
    Department of Physiology, School of Medicine, Fujita Health University, 1 98 Dengakugakubo, Kutsukakechou, Toyoake, Aichi, 470 1192, Japan
    Neurosci Res 39:327-37. 2001
    ..We suggest that cGMP may lower the threshold in olfactory perception by decreasing the current threshold to generate spikes, and also prevent the saturation of odor signals by increasing the maximum spike frequency...
  11. ncbi request reprint Direct suppression by odorants of cyclic nucleotide-gated currents in the newt photoreceptors
    F Kawai
    Department of Physiology, School of Medicine, Fujita Health University, 1 98 Dengakugakubo, Kutsukakechou, Toyoake, 470 1192, Aichi, Japan
    Brain Res 876:180-4. 2000
    ..This suggests that odorants suppress the CNG currents directly rather than via the second messenger system in photoreceptors, and also likely in olfactory receptor cells...
  12. ncbi request reprint Patch-clamp recording of human retinal photoreceptors and bipolar cells
    Mahito Ohkuma
    Department of Physiology, School of Medicine, Fujita Health University, Toyoake, Aichi, Japan
    Photochem Photobiol 83:317-22. 2007
    ..Sodium channels may serve to amplify the release of a neurotransmitter and to accelerate the light-dark change in photosignals...
  13. ncbi request reprint Spike encoding of olfactory receptor cells
    Kenji Narusuye
    Department of Physiology, School of Medicine, Fujita Health University, 1 98 Dengakugakubo, Kutsukakechou, Toyoake, Aichi 470 1192, Japan
    Neurosci Res 46:407-13. 2003
    ..This review discusses current knowledge concerning the mechanisms of spike generation in ORCs. It also reviews how neurotransmitters and hormones modulate ionic currents and action potentials in ORCs...
  14. ncbi request reprint Acetylcholine enhances excitability by lowering the threshold of spike generation in olfactory receptor cells
    Mahito Ohkuma
    Department of Physiology, Fujita Health University, School of Medicine, Toyoake, Aichi, Japan
    J Neurophysiol 110:2082-9. 2013
    ..Because T-type calcium current is known to lower the threshold in ORCs, we suggest that acetylcholine enhance excitability by lowering the threshold of spike generation in ORCs via the muscarinic receptor. ..