Daimei Sasayama

Summary

Affiliation: Shinshu University
Country: Japan

Publications

  1. pmc The reliability and validity of the Questionnaire - Children with Difficulties (QCD)
    Masahide Usami
    Department of Child and Adolescent Psychiatry, National Center for Global Health and Medicine, Kohnodai Hospital, Ichikawa, Japan
    Child Adolesc Psychiatry Ment Health 7:11. 2013
  2. pmc Poor performance on the Iowa gambling task in children with obsessive-compulsive disorder
    Masaki Kodaira
    Department of Child and Adolescent Psychiatry, National Center for Global Health and Medicine, Kohnodai Hospital, 1 7 1 Kohnodai, Ichikawa, Chiba, 272 0836, Japan
    Ann Gen Psychiatry 11:25. 2012
  3. doi request reprint Possible impact of ADRB3 Trp64Arg polymorphism on BMI in patients with schizophrenia
    Daimei Sasayama
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4 1 1, Ogawahigashi, Kodaira, Tokyo, 187 8502, Japan
    Prog Neuropsychopharmacol Biol Psychiatry 38:341-4. 2012
  4. doi request reprint Negative correlation between cerebrospinal fluid oxytocin levels and negative symptoms of male patients with schizophrenia
    Daimei Sasayama
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4 1 1, Ogawahigashi, Kodaira, Tokyo 187 8502, Japan
    Schizophr Res 139:201-6. 2012
  5. doi request reprint More severe impairment of manual dexterity in bipolar disorder compared to unipolar major depression
    Daimei Sasayama
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4 1 1, Ogawahigashi, Kodaira, Tokyo, 187 8502, Japan
    J Affect Disord 136:1047-52. 2012
  6. doi request reprint Association of cognitive performance with interleukin-6 receptor Asp358Ala polymorphism in healthy adults
    Daimei Sasayama
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4 1 1, Ogawahigashi, Kodaira, Tokyo 187 8502, Japan
    J Neural Transm 119:313-8. 2012
  7. doi request reprint Difference in Temperament and Character Inventory scores between depressed patients with bipolar II and unipolar major depressive disorders
    Daimei Sasayama
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4 1 1, Ogawahigashi, Kodaira, Tokyo, 187 8502, Japan
    J Affect Disord 132:319-24. 2011
  8. doi request reprint Neuroanatomical correlates of attention-deficit-hyperactivity disorder accounting for comorbid oppositional defiant disorder and conduct disorder
    Daimei Sasayama
    Department of Psychiatry, Shinshu University Hospital, Japan
    Psychiatry Clin Neurosci 64:394-402. 2010
  9. doi request reprint Association of interleukin-1β genetic polymorphisms with cognitive performance in elderly females without dementia
    Daimei Sasayama
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo, Japan
    J Hum Genet 56:613-6. 2011
  10. pmc Modulation of cortisol responses to the DEX/CRH test by polymorphisms of the interleukin-1beta gene in healthy adults
    Daimei Sasayama
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
    Behav Brain Funct 7:23. 2011

Collaborators

Detail Information

Publications33

  1. pmc The reliability and validity of the Questionnaire - Children with Difficulties (QCD)
    Masahide Usami
    Department of Child and Adolescent Psychiatry, National Center for Global Health and Medicine, Kohnodai Hospital, Ichikawa, Japan
    Child Adolesc Psychiatry Ment Health 7:11. 2013
    ..The aim of this study was to evaluate the reliability and validity of the Questionnaire-Children with Difficulties (QCD), which was developed for the evaluation of children's daily life behaviors during specified periods of the day...
  2. pmc Poor performance on the Iowa gambling task in children with obsessive-compulsive disorder
    Masaki Kodaira
    Department of Child and Adolescent Psychiatry, National Center for Global Health and Medicine, Kohnodai Hospital, 1 7 1 Kohnodai, Ichikawa, Chiba, 272 0836, Japan
    Ann Gen Psychiatry 11:25. 2012
    ..abstract:..
  3. doi request reprint Possible impact of ADRB3 Trp64Arg polymorphism on BMI in patients with schizophrenia
    Daimei Sasayama
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4 1 1, Ogawahigashi, Kodaira, Tokyo, 187 8502, Japan
    Prog Neuropsychopharmacol Biol Psychiatry 38:341-4. 2012
    ..We hypothesized that the Trp64Arg polymorphism may be associated with increased risk of schizophrenia and depression...
  4. doi request reprint Negative correlation between cerebrospinal fluid oxytocin levels and negative symptoms of male patients with schizophrenia
    Daimei Sasayama
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4 1 1, Ogawahigashi, Kodaira, Tokyo 187 8502, Japan
    Schizophr Res 139:201-6. 2012
    ..Previous studies also suggest altered oxytocin function in patients with schizophrenia and depression. However, few studies have examined the central oxytocin levels in these disorders...
  5. doi request reprint More severe impairment of manual dexterity in bipolar disorder compared to unipolar major depression
    Daimei Sasayama
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4 1 1, Ogawahigashi, Kodaira, Tokyo, 187 8502, Japan
    J Affect Disord 136:1047-52. 2012
    ..In the present study, manual dexterity was compared between unipolar major depression, bipolar disorder, and healthy controls...
  6. doi request reprint Association of cognitive performance with interleukin-6 receptor Asp358Ala polymorphism in healthy adults
    Daimei Sasayama
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4 1 1, Ogawahigashi, Kodaira, Tokyo 187 8502, Japan
    J Neural Transm 119:313-8. 2012
    ..Elevated IL-6 and soluble IL-6R levels in Ala carriers may have negative impact on acquiring verbal cognitive ability requiring long-term memory...
  7. doi request reprint Difference in Temperament and Character Inventory scores between depressed patients with bipolar II and unipolar major depressive disorders
    Daimei Sasayama
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4 1 1, Ogawahigashi, Kodaira, Tokyo, 187 8502, Japan
    J Affect Disord 132:319-24. 2011
    ..Although some core personality variables are known to be characteristic of unipolar or bipolar depression, few studies have compared the personality profile between these two disorders...
  8. doi request reprint Neuroanatomical correlates of attention-deficit-hyperactivity disorder accounting for comorbid oppositional defiant disorder and conduct disorder
    Daimei Sasayama
    Department of Psychiatry, Shinshu University Hospital, Japan
    Psychiatry Clin Neurosci 64:394-402. 2010
    ..In the present study voxel-based morphometry (VBM) was used to evaluate brain morphology in ADHD subjects after taking into account the confounding effect of oppositional defiant disorder (ODD) and conduct disorder (CD) comorbidity...
  9. doi request reprint Association of interleukin-1β genetic polymorphisms with cognitive performance in elderly females without dementia
    Daimei Sasayama
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo, Japan
    J Hum Genet 56:613-6. 2011
    ..These results suggest that IL-1β gene variation may have a role in cognitive functions in aging females as well as males...
  10. pmc Modulation of cortisol responses to the DEX/CRH test by polymorphisms of the interleukin-1beta gene in healthy adults
    Daimei Sasayama
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
    Behav Brain Funct 7:23. 2011
    ..These findings prompted us to examine the possible association between IL-1β gene polymorphisms and HPA axis function assessed with the DEX/CRH test...
  11. pmc Possible association between interleukin-1β gene and schizophrenia in a Japanese population
    Daimei Sasayama
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Tokyo, 187 8502, Japan
    Behav Brain Funct 7:35. 2011
    ..Although a number of genetic association studies have been reported, very few have systematically examined gene-wide tagging polymorphisms...
  12. doi request reprint Schizotypy and genetic loading for schizophrenia impact upon neuropsychological status in bipolar II and unipolar major depressive disorders
    Hiroaki Hori
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4 1 1 Ogawahigashi, Kodaira, Tokyo 187 8502, Japan
    J Affect Disord 142:225-32. 2012
    ..Although these conditions are known to be associated with neurocognitive impairments, such an association has not been studied in patients with bipolar II disorder (BPII) or unipolar major depressive disorder (UP)...
  13. pmc Effects of the CACNA1C risk allele on neurocognition in patients with schizophrenia and healthy individuals
    Hiroaki Hori
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo, Japan
    Sci Rep 2:634. 2012
    ..These results add to the literature suggesting that rs1006737 may be associated with schizophrenia through its detrimental effect on endophenotypic traits...
  14. doi request reprint Association between the functional polymorphism (C3435T) of the gene encoding P-glycoprotein (ABCB1) and major depressive disorder in the Japanese population
    Takashi Fujii
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4 1 1, Ogawahigashi, Kodaira, Tokyo 187 8502, Japan
    J Psychiatr Res 46:555-9. 2012
    ..5, df = 1, p = 0.0037, OR 1.50, 95%CI 1.14-1.98). Our results suggest that the T3435 allele or carrying two copies of this allele confers susceptibility to MDD in the Japanese population...
  15. doi request reprint Schizotypal trait in healthy women is associated with a shift away from dextrality on a spatial motor control task, but not on a force control task
    Hiroaki Hori
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4 1 1, Ogawahigashi, Kodaira, Tokyo 187 8502, Japan
    Psychiatry Res 200:629-34. 2012
    ..These results indicate that schizotypal traits in healthy women are associated with a shift away from dextrality, supporting the fully dimensional model of schizotypy...
  16. doi request reprint Poor sleep is associated with exaggerated cortisol response to the combined dexamethasone/CRH test in a non-clinical population
    Hiroaki Hori
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4 1 1, Ogawahigashi, Kodaira, Tokyo 187 8502, Japan
    J Psychiatr Res 45:1257-63. 2011
    ..Our findings further suggest that the mediation model would work better than the bivariate approach in investigating the relationship between sleep, distress and HPA axis reactivity...
  17. doi request reprint Association of plasma IL-6 and soluble IL-6 receptor levels with the Asp358Ala polymorphism of the IL-6 receptor gene in schizophrenic patients
    Daimei Sasayama
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4 1 1 Ogawahigashi, Kodaira, Tokyo 187 8502, Japan
    J Psychiatr Res 45:1439-44. 2011
    ..Increased IL-6 levels without alterations in sIL-6R levels may result in excessive IL-6 signaling in schizophrenia...
  18. doi request reprint Relationships between season of birth, schizotypy, temperament, character and neurocognition in a non-clinical population
    Hiroaki Hori
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Tokyo, Japan
    Psychiatry Res 195:69-75. 2012
    ..These results support the notion that schizotypy and schizophrenia are neurodevelopmental conditions on the same continuum...
  19. doi request reprint Support for association between the Ser205Leu polymorphism of p75(NTR) and major depressive disorder
    Takashi Fujii
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo, Japan
    J Hum Genet 56:806-9. 2011
    ....
  20. doi request reprint Schizotypal personality in healthy adults is related to blunted cortisol responses to the combined dexamethasone/ corticotropin-releasing hormone test
    Hiroaki Hori
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo, Japan
    Neuropsychobiology 63:232-41. 2011
    ....
  21. doi request reprint Relationship of temperament and character with cortisol reactivity to the combined dexamethasone/CRH test in depressed outpatients
    Hiroaki Hori
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo 187 8502, Japan
    J Affect Disord 147:128-36. 2013
    ..Another line of research has demonstrated that personality is associated with HPA axis alteration. It is thus hypothesized that different personality pathology in depression would be associated with distinct cortisol reactivity...
  22. doi request reprint ITIH3 polymorphism may confer susceptibility to psychiatric disorders by altering the expression levels of GLT8D1
    Daimei Sasayama
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4 1 1, Ogawahigashi, Kodaira, Tokyo, 187 8502, Japan Department of Psychiatry, Shinshu University School of Medicine, Matsumoto, Nagano, 390 8621, Japan
    J Psychiatr Res 50:79-83. 2014
    ..Our findings suggest that rs2535629 influences the susceptibility to psychiatric disorders by affecting the expression level of GLT8D1. ..
  23. doi request reprint Increased cerebrospinal fluid interleukin-6 levels in patients with schizophrenia and those with major depressive disorder
    Daimei Sasayama
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4 1 1, Ogawahigashi, Kodaira, Tokyo 187 8502, Japan Department of Psychiatry, Shinshu University School of Medicine, Matsumoto 390 8621, Japan
    J Psychiatr Res 47:401-6. 2013
    ..The present findings suggest that IL-6 of central origin is associated with the pathophysiology of schizophrenia and MDD, although confounding effect of smoking status can not be entirely excluded...
  24. doi request reprint Multimodal image analysis of sensorimotor gating in healthy women
    Miho Ota
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4 1 1 Ogawa Higashi, Kodaira, Tokyo 187 8502, Japan
    Brain Res 1499:61-8. 2013
    ..This result was compatible with the previous suggestion that PPI would be modulated by the cortico-striato-thalamic-pallido-pontine circuit...
  25. doi request reprint Benzodiazepines, benzodiazepine-like drugs, and typical antipsychotics impair manual dexterity in patients with schizophrenia
    Daimei Sasayama
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4 1 1, Ogawahigashi, Kodaira, Tokyo 187 8502, Japan Department of Psychiatry, Shinshu University School of Medicine, 3 1 1 Asahi, Matsumoto 390 8621, Japan
    J Psychiatr Res 49:37-42. 2014
    ..Psychiatrists should be aware that some psychotropic medications may enhance the disability caused by the impairment of dexterity in patients with schizophrenia. ..
  26. doi request reprint Hypothalamic-pituitary-adrenal axis hyperactivity and brain differences in healthy women
    Miho Ota
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Japan
    Neuropsychobiology 68:205-11. 2013
    ..However, few studies have examined the whole brain configuration for an association with HPA axis activity. We examined the relationship between HPA axis activity and the whole brain configuration...
  27. doi request reprint Discrimination between schizophrenia and major depressive disorder by magnetic resonance imaging of the female brain
    Miho Ota
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4 1 1, Ogawa Higashi, Kodaira, Tokyo 187 8502, Japan
    J Psychiatr Res 47:1383-8. 2013
    ..We tried to identify structural changes of the brain that best discriminate between schizophrenia and MDD on the basis of gray matter volume, ventricle volume, and diffusion tensor imaging (DTI)...
  28. doi request reprint Impact of behavioral/developmental disorders comorbid with conduct disorder
    Yuzuru Harada
    Shinshu University Hospital, Mental Health Clinic for Children, Shinshu University Hospital, 3 1 1 Asahi, Matsumoto, Nagano 390 8621, Japan
    Psychiatry Clin Neurosci 63:762-8. 2009
    ..The aim of the present study was to verify the comorbidity of conduct disorder (CD) and behavioral/developmental disorders in children and adolescents, and to examine the traits of CD comorbid with them...
  29. doi request reprint A latent profile analysis of schizotypy, temperament and character in a nonclinical population: association with neurocognition
    Hiroaki Hori
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4 1 1, Ogawahigashi, Kodaira, Tokyo 187 8502, Japan Electronic address
    J Psychiatr Res 48:56-64. 2014
    ....
  30. pmc Identification of single nucleotide polymorphisms regulating peripheral blood mRNA expression with genome-wide significance: an eQTL study in the Japanese population
    Daimei Sasayama
    Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Ogawahigashi, Kodaira, Tokyo, Japan
    PLoS ONE 8:e54967. 2013
    ..Further studies are required to clarify how SNPs function in affecting the expression levels in whole blood as well as in other tissues...
  31. doi request reprint Discrimination of female schizophrenia patients from healthy women using multiple structural brain measures obtained with voxel-based morphometry
    Miho Ota
    Department of Mental Disorder Research, National Institute of Neuroscience, Japan
    Psychiatry Clin Neurosci 66:611-7. 2012
    ..To identify the correlative pattern of brain changes that best discriminate schizophrenia patients from healthy subjects, discriminant analysis techniques using voxel-based morphometry were applied...
  32. doi request reprint Psychotic symptoms complicate the clinical differentiation of Parkinson's disease with major depressive disorder from dementia with Lewy bodies
    Mitsuhiro Miyashita
    Department of Psychiatry, Shinshu University School of Medicine, Matsumoto, Japan
    Psychogeriatrics 10:107-11. 2010
    ..In making a diagnosis of DLB, it is important to assess essential psychiatric features and to observe patients for any changes in these features...
  33. doi request reprint Establishing the cut-off point for the Oppositional Defiant Behavior Inventory
    Yuzuru Harada
    Mental Health Clinic for Children, Shinshu University Hospital, Nagano, Japan
    Psychiatry Clin Neurosci 62:120-2. 2008
    ..0%), positive predictive value (75.0%) and negative predictive value (95.7%), a score of 20 points was thus established as a suitable cut-off point to distinguish the children who are eligible for ODD diagnosis from those who are not...