Koichi Isogawa

Summary

Country: Japan

Publications

  1. ncbi request reprint Simultaneous use of thyrotropin-releasing hormone test and combined dexamethasone/corticotropine-releasing hormone test for severity evaluation and outcome prediction in patients with major depressive disorder
    Koichi Isogawa
    Department of Neuropsychiatry, Oita University Faculty of Medicine, Hasama machi, Oita 879 5593, Japan
    J Psychiatr Res 39:467-73. 2005
  2. doi request reprint Social support and enhanced suppression of adrenocorticotropic hormone and cortisol responses to hypothalamic-pituitary-adrenal function and thyrotropin-releasing hormone tests in patients with major depressive disorder
    Jusen Tsuru
    Department of Neuropsychiatry, Oita University Faculty of Medicine, Hasama machi, Oita 879 5593, Japan
    Biol Psychol 78:159-63. 2008
  3. doi request reprint Salivary α-amylase and cortisol responsiveness following electrical stimulation stress in panic disorder patients
    Yoshihiro Tanaka
    Department of Neuropsychiatry, Oita University, Hasama machi, Oita, Japan
    Neurosci Res 73:80-4. 2012
  4. ncbi request reprint The thyrotropin-releasing hormone test may predict recurrence of clinical depression within ten years after discharge
    Jusen Tsuru
    Department of Neuropsychiatry, Oita University Faculty of Medicine, Oita, Japan
    Neuro Endocrinol Lett 34:409-17. 2013
  5. ncbi request reprint Administration of antisense DNA for hepatocyte growth factor causes an depressive and anxiogenic response in rats
    Masatoshi Wakatsuki
    Department of Neuropsychiatry, Oita Medical University, Hasama machi, Oita 879 5593, Japan
    Neuropeptides 41:477-83. 2007
  6. ncbi request reprint Anxiolytic effect of hepatocyte growth factor infused into rat brain
    Koichi Isogawa
    Department of Neuropsychiatry, Oita University Faculty of Medicine, Oita, Japan
    Neuropsychobiology 51:34-8. 2005
  7. doi request reprint Serum ghrelin levels and the effects of antidepressants in major depressive disorder and panic disorder
    Yoshinobu Ishitobi
    Department of Neuropsychiatry, Oita University Faculty of Medicine, Oita, Japan
    Neuropsychobiology 66:185-92. 2012
  8. ncbi request reprint Administration of antisense DNA for ghrelin causes an antidepressant and anxiolytic response in rats
    Masayuki Kanehisa
    Department of Neuropsychiatry, Oita University Faculty of Medicine, Hasama machi, Oita, 879 5593, Japan
    Prog Neuropsychopharmacol Biol Psychiatry 30:1403-7. 2006
  9. doi request reprint The value of ethyl cysteinate dimer single photon emission computed tomography in predicting antidepressant treatment response in patients with major depression
    Hiroaki Hanada
    Department of Neuropsychiatry, Oita University Faculty of Medicine, Oita, Japan
    Int J Geriatr Psychiatry 28:756-65. 2013
  10. doi request reprint Association of CRHR1 and CRHR2 with major depressive disorder and panic disorder in a Japanese population
    Yoshinobu Ishitobi
    Department of Neuropsychiatry, Oita University Faculty of Medicine, Hasama machi, Yufu Shi, Oita, Japan
    Am J Med Genet B Neuropsychiatr Genet 159:429-36. 2012

Collaborators

Detail Information

Publications23

  1. ncbi request reprint Simultaneous use of thyrotropin-releasing hormone test and combined dexamethasone/corticotropine-releasing hormone test for severity evaluation and outcome prediction in patients with major depressive disorder
    Koichi Isogawa
    Department of Neuropsychiatry, Oita University Faculty of Medicine, Hasama machi, Oita 879 5593, Japan
    J Psychiatr Res 39:467-73. 2005
    ..The simultaneous use of the TRH test and the DEX/CRH test seems to provide a more useful biological marker than the separate use of either test alone in patients with major depressive disorder...
  2. doi request reprint Social support and enhanced suppression of adrenocorticotropic hormone and cortisol responses to hypothalamic-pituitary-adrenal function and thyrotropin-releasing hormone tests in patients with major depressive disorder
    Jusen Tsuru
    Department of Neuropsychiatry, Oita University Faculty of Medicine, Hasama machi, Oita 879 5593, Japan
    Biol Psychol 78:159-63. 2008
    ..Social support might contribute partially to the TRH and DEX/CRH test results in patients with major depressive disorder...
  3. doi request reprint Salivary α-amylase and cortisol responsiveness following electrical stimulation stress in panic disorder patients
    Yoshihiro Tanaka
    Department of Neuropsychiatry, Oita University, Hasama machi, Oita, Japan
    Neurosci Res 73:80-4. 2012
    ..The sample may not be representative of the general population. These preliminary results suggest that sAA might be useful predictive biological markers of treatment responsiveness in patients with panic disorder...
  4. ncbi request reprint The thyrotropin-releasing hormone test may predict recurrence of clinical depression within ten years after discharge
    Jusen Tsuru
    Department of Neuropsychiatry, Oita University Faculty of Medicine, Oita, Japan
    Neuro Endocrinol Lett 34:409-17. 2013
    ..Hypothalamic-pituitary-thyroid (HPT) axis and hypothalamus-pituitary-adrenocortical (HPA) axis dysregulation are thought to be related to the development and course of depression...
  5. ncbi request reprint Administration of antisense DNA for hepatocyte growth factor causes an depressive and anxiogenic response in rats
    Masatoshi Wakatsuki
    Department of Neuropsychiatry, Oita Medical University, Hasama machi, Oita 879 5593, Japan
    Neuropeptides 41:477-83. 2007
    ..No significant effect on general locomotor activity was seen. These results indicate that inhibition of HGF induces an increase in depression and anxiety-related behaviors suggesting a depressive and anxiogenic-like effect...
  6. ncbi request reprint Anxiolytic effect of hepatocyte growth factor infused into rat brain
    Koichi Isogawa
    Department of Neuropsychiatry, Oita University Faculty of Medicine, Oita, Japan
    Neuropsychobiology 51:34-8. 2005
    ..HGF may have a role in the mediation of anxiety. Very little is known about other central behavioral effects of HGF...
  7. doi request reprint Serum ghrelin levels and the effects of antidepressants in major depressive disorder and panic disorder
    Yoshinobu Ishitobi
    Department of Neuropsychiatry, Oita University Faculty of Medicine, Oita, Japan
    Neuropsychobiology 66:185-92. 2012
    ....
  8. ncbi request reprint Administration of antisense DNA for ghrelin causes an antidepressant and anxiolytic response in rats
    Masayuki Kanehisa
    Department of Neuropsychiatry, Oita University Faculty of Medicine, Hasama machi, Oita, 879 5593, Japan
    Prog Neuropsychopharmacol Biol Psychiatry 30:1403-7. 2006
    ..Ghrelin is a peptide of 28 amino acids found in mammals that increases the release of growth hormone, food intake, and body weight...
  9. doi request reprint The value of ethyl cysteinate dimer single photon emission computed tomography in predicting antidepressant treatment response in patients with major depression
    Hiroaki Hanada
    Department of Neuropsychiatry, Oita University Faculty of Medicine, Oita, Japan
    Int J Geriatr Psychiatry 28:756-65. 2013
    ....
  10. doi request reprint Association of CRHR1 and CRHR2 with major depressive disorder and panic disorder in a Japanese population
    Yoshinobu Ishitobi
    Department of Neuropsychiatry, Oita University Faculty of Medicine, Hasama machi, Yufu Shi, Oita, Japan
    Am J Med Genet B Neuropsychiatr Genet 159:429-36. 2012
    ..The C-C haplotype consisting of rs4722999 and rs37790 in CRHR1 was associated with PD. These results provide support for an association of CRHR1 and CRHR2 with MDD and PD...
  11. ncbi request reprint Anxiolytic suppression of repetitive transcranial magnetic stimulation-induced anxiety in the rats
    Koichi Isogawa
    Department of Neuropsychiatry, Oita University Faculty of Medicine, Oita 879 5593, Japan
    Prog Neuropsychopharmacol Biol Psychiatry 29:664-8. 2005
    ..This anxiety was suppressed by acute treatment with diazepam, alprazolam, or buspirone suggesting that chronic rTMS treatment provides a good animal model for anxiety...
  12. ncbi request reprint Reduced anxious behavior in mice lacking the CCK2 receptor gene
    Yukiko Horinouchi
    Department of Neuropsychiatry, Oita Medical University, Hasama machi, Oita 879 5593, Japan
    Eur Neuropsychopharmacol 14:157-61. 2004
    ..In the elevated plus-maze, mice lacking the CCK2 receptor gene displayed significantly more head dips than control mice. These results suggest that mice lacking the CCK2 receptor gene are less anxious than normal mice...
  13. doi request reprint Aripiprazole augmentation in 13 patients with refractory obsessive-compulsive disorder: a case series
    Haruka Higuma
    Department of Neuropsychiatry, Oita University Faculty of Medicine, Oita, Japan
    World J Biol Psychiatry 13:14-21. 2012
    ..The primary treatment for obsessive-compulsive disorder (OCD) is selective serotonin reuptake inhibitors (SSRI). However, approximately a third of patients do not respond to SSRIs and remain chronically affected...
  14. doi request reprint Salivary alpha-amylase and cortisol responsiveness following electrical stimulation stress in major depressive disorder patients
    Yoshihiro Tanaka
    Department of Neuropsychiatry, Oita University Faculty of Medicine, Hasama machi, Oita 879 5593, Japan
    Prog Neuropsychopharmacol Biol Psychiatry 36:220-4. 2012
    ..These preliminary results suggest that sAA might be a useful biological marker of MDD...
  15. ncbi request reprint Anxiogenic-like effect of corticotropin-releasing factor receptor 2 antisense oligonucleotides infused into rat brain
    Koichi Isogawa
    Department of Neuropsychiatry, Oita Medical University, Hasama machi, Oita, Japan
    J Psychopharmacol 17:409-13. 2003
    ..No significant effect on general locomotor activity was seen. These results indicate that inhibition of CRF-R2 induces an increase in anxiety-related behaviours suggesting an anxiogenic-like effect...
  16. doi request reprint Administration of antisense DNA for GPR39-1b causes anxiolytic-like responses and appetite loss in rats
    Yoshinobu Ishitobi
    Department of Neuropsychiatry, Oita University Faculty of Medicine, Hasama machi, Yufu Shi, Oita 879 5593, Japan
    Neurosci Res 72:257-62. 2012
    ..Antisense oligonucleotides also decreased food intake. These results indicate that inhibition of GPR39-1b induces a decrease in anxiety-related behaviors and disturbs appetite...
  17. ncbi request reprint Enhanced suppression of adrenocorticotropic hormone and cortisol responses to hypothalamic-pituitary-adrenal function and thyrotropin-releasing hormone tests after stressful life events in patients with major depressive disorder
    Takatoshi Hikichi
    Department of Neuropsychiatry, Oita University Faculty of Medicine, Oita, Japan
    Neuropsychobiology 55:21-7. 2007
    ....
  18. ncbi request reprint Spatial memory impairment in OLETF rats without cholecystokinin - a receptor
    Hirotaka Matsushita
    Department of Neuropsychiatry, Oita Medical University, Hasama machi, Oita, 879 5593, Japan
    Neuropeptides 37:271-6. 2003
    ..In PA, OLETF rats did not show facilitating response 24 h after training. From these observations, we concluded that a spatial memory was impaired in the OLETF rats...
  19. doi request reprint Infrared radiation has potential antidepressant and anxiolytic effects in animal model of depression and anxiety
    Yoshihiro Tanaka
    Department of Neuropsychiatry, Oita University Faculty of Medicine, Hasama machi, Yufu Shi, Oita, Japan
    Brain Stimul 4:71-6. 2011
    ..Bright light therapy has been shown to have antidepressant and anxiolytic effects in humans...
  20. ncbi request reprint Predicting efficacy of electroconvulsive therapy in major depressive disorder
    Kounosuke Tsuchiyama
    Department of Neuropsychiatry, Oita University Faculty of Medicine, Hasama machi, Oita, Japan
    Psychiatry Clin Neurosci 59:546-50. 2005
    ..These results suggest that history of pharmacotherapy prior to ECT and improvement rate at completion of three ECT sessions may offer predictors for the final rate of improvement with ECT...
  21. ncbi request reprint Association between the CCK-A receptor gene and panic disorder
    Kiminobu Ise
    Department of Neuropsychiatry, Oita Medical University, Hasama Machi Oita 879 55, Japan
    Am J Med Genet B Neuropsychiatr Genet 118:29-31. 2003
    ..6% (A1) and 56.4% (A2) in controls. The chi-square test did not show a significant difference in either genotypic or allelic frequencies between patients and control subjects. The Pst polymorphism of CCKAR may not be associated with PD...
  22. ncbi request reprint Effect of repetitive transcranial magnetic stimulation on forced swimming test
    Takashi Tsutsumi
    Department of Neuropsychiatry, Oita Medical University, Hasama machi, Japan
    Prog Neuropsychopharmacol Biol Psychiatry 26:107-11. 2002
    ..Chronic treatment with rTMS, similar to chronic treatment with ECS, decreased the immobility time in the FST. These results indicate that chronic treatment with rTMS might have antidepressant effect similar to chronic treatment with ECS...
  23. ncbi request reprint Assessment of the dexamethasone/CRH test as a state-dependent marker for hypothalamic-pituitary-adrenal (HPA) axis abnormalities in major depressive episode: a Multicenter Study
    Hiroshi Kunugi
    Department of Psychiatry, Teikyo University School of Medicine, Tokyo, Japan
    Neuropsychopharmacology 31:212-20. 2006
    ..Restoration from HPA axis abnormalities occurred with clinical responses to treatment, particularly in depressed patients who underwent ECT...