Katsuyuki Murata

Summary

Affiliation: Akita University School of Medicine
Country: Japan

Publications

  1. ncbi Lead toxicity: does the critical level of lead resulting in adverse effects differ between adults and children?
    Katsuyuki Murata
    Department of Environmental Health Sciences, Akita University School of Medicine, Akita, Japan
    J Occup Health 51:1-12. 2009
  2. ncbi Effects of shift work on QTc interval and blood pressure in relation to heart rate variability
    Katsuyuki Murata
    Division of Environmental Health Sciences, Department of Social Medicine, Akita University School of Medicine, 1 1 1 Hondo, Akita 010 8543, Japan
    Int Arch Occup Environ Health 78:287-92. 2005
  3. ncbi [Neurodevelopmental effects from prenatal exposure to methylmercury in the Seychellois and Faroes cohorts and the critical concentration: a review]
    Katsuyuki Murata
    Division of Environmental Health Sciences, Department of Social Medicine, Akita University School of Medicine, Akita, Japan
    Nihon Eiseigaku Zasshi 60:4-14. 2005
  4. ncbi Effects of methylmercury on neurodevelopment in Japanese children in relation to the Madeiran study
    Katsuyuki Murata
    Division of Environmental Health Sciences, Department of Social Medicine, Akita University School of Medicine, 1 1 1 Hondo, Akita 010 8543, Japan
    Int Arch Occup Environ Health 77:571-9. 2004
  5. ncbi [Application of the benchmark dose approach to epidemiological endpoints with clinical standards]
    Katsuyuki Murata
    Department of Environmental Health Sciences, Akita University Graduate School of Medicine, Akita, Japan
    Sangyo Eiseigaku Zasshi 53:67-77. 2011
  6. ncbi Subclinical effects of prenatal methylmercury exposure on cardiac autonomic function in Japanese children
    Katsuyuki Murata
    Department of Environmental Health Sciences, Akita University School of Medicine, 010 8543, Akita, Japan
    Int Arch Occup Environ Health 79:379-86. 2006
  7. ncbi Neuromotor effects of short-term and long-term exposures to trichloroethylene in workers
    Katsuyuki Murata
    Department of Environmental Health Sciences, Akita University School of Medicine, Akita, Japan
    Am J Ind Med 53:915-21. 2010
  8. ncbi Recent evidence from epidemiological studies on methylmercury toxicity
    Katsuyuki Murata
    Department of Environmental Health Sciences, Akita University Graduate School of Medicine, Japan
    Nihon Eiseigaku Zasshi 66:682-95. 2011
  9. ncbi Neurophysiological evidence of methylmercury neurotoxicity
    Katsuyuki Murata
    Department of Environmental Health Sciences, Akita University School of Medicine, Akita, Japan
    Am J Ind Med 50:765-71. 2007
  10. ncbi C-reactive protein -717C>T genetic polymorphism associates with esophagectomy-induced stress hyperglycemia
    Satoru Motoyama
    Department of Surgery, Akita University School of Medicine, 1 1 1 Hondo, Akita, 010 8543, Japan
    World J Surg 34:1001-7. 2010

Collaborators

Detail Information

Publications43

  1. ncbi Lead toxicity: does the critical level of lead resulting in adverse effects differ between adults and children?
    Katsuyuki Murata
    Department of Environmental Health Sciences, Akita University School of Medicine, Akita, Japan
    J Occup Health 51:1-12. 2009
    ....
  2. ncbi Effects of shift work on QTc interval and blood pressure in relation to heart rate variability
    Katsuyuki Murata
    Division of Environmental Health Sciences, Department of Social Medicine, Akita University School of Medicine, 1 1 1 Hondo, Akita 010 8543, Japan
    Int Arch Occup Environ Health 78:287-92. 2005
    ..The purpose of this study was to determine the effects of shift work on heart rate-corrected QT (QTc) and blood pressure in relation to heart rate variability (CV(RR))...
  3. ncbi [Neurodevelopmental effects from prenatal exposure to methylmercury in the Seychellois and Faroes cohorts and the critical concentration: a review]
    Katsuyuki Murata
    Division of Environmental Health Sciences, Department of Social Medicine, Akita University School of Medicine, Akita, Japan
    Nihon Eiseigaku Zasshi 60:4-14. 2005
    ..In light of the precautionary principle, a conclusion on health effects of low-level dietary exposures to methylmercury needs to be drawn from all available data including the New Zealand study...
  4. ncbi Effects of methylmercury on neurodevelopment in Japanese children in relation to the Madeiran study
    Katsuyuki Murata
    Division of Environmental Health Sciences, Department of Social Medicine, Akita University School of Medicine, 1 1 1 Hondo, Akita 010 8543, Japan
    Int Arch Occup Environ Health 77:571-9. 2004
    ....
  5. ncbi [Application of the benchmark dose approach to epidemiological endpoints with clinical standards]
    Katsuyuki Murata
    Department of Environmental Health Sciences, Akita University Graduate School of Medicine, Akita, Japan
    Sangyo Eiseigaku Zasshi 53:67-77. 2011
    ..We examined whether the BMD approach can be applied to epidemiological endpoints with clinical standards...
  6. ncbi Subclinical effects of prenatal methylmercury exposure on cardiac autonomic function in Japanese children
    Katsuyuki Murata
    Department of Environmental Health Sciences, Akita University School of Medicine, 010 8543, Akita, Japan
    Int Arch Occup Environ Health 79:379-86. 2006
    ..The subclinical effects of prenatal exposure to methylmercury from fish consumption on the cardiac autonomic function were assessed in 136 Japanese 7-year-old children recruited for this study...
  7. ncbi Neuromotor effects of short-term and long-term exposures to trichloroethylene in workers
    Katsuyuki Murata
    Department of Environmental Health Sciences, Akita University School of Medicine, Akita, Japan
    Am J Ind Med 53:915-21. 2010
    ....
  8. ncbi Recent evidence from epidemiological studies on methylmercury toxicity
    Katsuyuki Murata
    Department of Environmental Health Sciences, Akita University Graduate School of Medicine, Japan
    Nihon Eiseigaku Zasshi 66:682-95. 2011
    ..5) Since some developing countries appear to be in similar situations to Japan in the past, attention should be directed toward early recognition of a risky agent and precautions should be taken against it...
  9. ncbi Neurophysiological evidence of methylmercury neurotoxicity
    Katsuyuki Murata
    Department of Environmental Health Sciences, Akita University School of Medicine, Akita, Japan
    Am J Ind Med 50:765-71. 2007
    ..The objectives of this article were to present an overview of neurophysiological findings involved in methylmercury neurotoxicity and to examine the usefulness of those measures...
  10. ncbi C-reactive protein -717C>T genetic polymorphism associates with esophagectomy-induced stress hyperglycemia
    Satoru Motoyama
    Department of Surgery, Akita University School of Medicine, 1 1 1 Hondo, Akita, 010 8543, Japan
    World J Surg 34:1001-7. 2010
    ..The influence of genetics on surgery-induced hyperglycemia remains only partially understood...
  11. ncbi Assessment of intrauterine methylmercury exposure affecting child development: messages from the newborn
    Katsuyuki Murata
    Department of Environmental Health Sciences, Akita University School of Medicine, Akita, Japan
    Tohoku J Exp Med 213:187-202. 2007
    ..Because umbilical cord blood has been used for cord-blood stem cell transplants, dry umbilical cord tissue should be effectively utilized for the advancement of medical sciences...
  12. ncbi Intervention study on cardiac autonomic nervous effects of methylmercury from seafood
    Kozue Yaginuma-Sakurai
    Department of Environmental Health Sciences, Tohoku University Graduate School of Medicine, 2 1 Seiryo machi, Sendai 980 8575, Japan
    Neurotoxicol Teratol 32:240-5. 2010
    ..Rather, long-term exposure to methylmercury may pose a potential risk for cardiac events involving sympathovagal imbalance among fish-consuming populations...
  13. ncbi Critical dose of lead affecting postural balance in workers
    Toyoto Iwata
    Department of Environmental Health Sciences, Akita University School of Medicine, Akita, Japan
    Am J Ind Med 48:319-25. 2005
    ....
  14. ncbi Delayed brainstem auditory evoked potential latencies in 14-year-old children exposed to methylmercury
    Katsuyuki Murata
    Division of Environmental Health Sciences, Akita University School of Medicine, Akita, Japan
    J Pediatr 144:177-83. 2004
    ..A change in vulnerability to MeHg toxicity is suggested by the apparent sensitivity of the peak III-V component to recent MeHg exposure...
  15. ncbi Total mercury levels in hair, toenail, and urine among women free from occupational exposure and their relations to renal tubular function
    Tomoko Ohno
    Department of Environmental Health Sciences, Akita University School of Medicine, 1 1 1 Hondo, Akita 010 8543, Japan
    Environ Res 103:191-7. 2007
    ..Also, the following equation may be applicable to the population neither with dental amalgam fillings nor with occupational exposures: [hair mercury (microg/g)]=2.44x[toenail mercury (microg/g)]...
  16. ncbi The Tohoku Study of Child Development: A cohort study of effects of perinatal exposures to methylmercury and environmentally persistent organic pollutants on neurobehavioral development in Japanese children
    Kunihiko Nakai
    Department of Environmental Health Sciences, Tohoku University Graduate School of Medicine, Sendai 980 8575, Japan
    Tohoku J Exp Med 202:227-37. 2004
    ..The results of this cohort study will allow us to evaluate associations between the neurobehavioral development of children and perinatal exposures to MeHg and environmentally POPs in Japan...
  17. ncbi Tumoral CRP expression in thoracic esophageal squamous cell cancers is associated with poor outcomes
    Toshinobu Nakatsu
    Department of Surgery, Akita University Graduate School of Medicine, 1 1 1 Hondo, Akita, 010 8543, Japan
    Surg Today 42:652-8. 2012
    ..Cancer cells reportedly produce C-reactive protein (CRP) locally within tumors. The aim of this study was to determine whether tumoral CRP is associated with clinical outcome and recurrence in thoracic esophageal squamous cell cancer...
  18. ncbi [Usefulness of umbilical cord mercury concentrations as biomarkers of fetal exposure to methylmercury]
    Katsuyuki Murata
    Department of Environmental Health Sciences, Akita University School of Medicine, Japan
    Nihon Eiseigaku Zasshi 62:949-59. 2007
    ..Further studies are required to clarify at which period of exposure during gestation the cord mercury concentration represents in relation to mercury concentrations in maternal segmental hair...
  19. ncbi Spontaneous awakening from nocturnal sleep and cardiac autonomic function in preschool children
    Mari Sampei
    Department of Environmental Health Sciences, Akita University School of Medicine, 1 1 1 Hondo, Akita 010 8543, Japan
    Auton Neurosci 133:170-4. 2007
    ..In conclusion, the absence of spontaneous awakening from nocturnal sleep in preschool children is suggested to be characterized by short sleep duration, parasympathetic hypoactivity, and elevated heart rate...
  20. ncbi Effects of mixed organic solvents on neuromotor functions among workers in Buddhist altar manufacturing factories
    Toyoto Iwata
    Department of Environmental Health Sciences, Akita University School of Medicine, 1-1-1 Hondo, Akita 020-8543, Japan
    J Occup Health 47:143-8. 2005
    ..05), which may have been due to the acute effects of such solvents. These findings suggest that long-term exposure to mixed organic solvents may impair neuromotor functions as measured by postural sway and tremor...
  21. ncbi Effects of mercury vapor exposure on neuromotor function in Chinese miners and smelters
    Toyoto Iwata
    Department of Environmental Health Sciences, Akita University School of Medicine, Akita, 010 8543, Japan
    Int Arch Occup Environ Health 80:381-7. 2007
    ..To clarify the neuromotor effects of occupational exposure to mercury vapor, hand tremor and postural sway were measured in 27 miners and smelters (i.e., exposed workers) and 52 unexposed subjects...
  22. ncbi Cardiac autonomic imbalance in female nurses with shift work
    Noriko Ishii
    Department of Environmental Health Sciences, Akita University School of Medicine, Japan
    Auton Neurosci 122:94-9. 2005
    ....
  23. ncbi Effects of shift work on autonomic and neuromotor functions in female nurses
    Noriko Ishii
    Division of Environmental Health Sciences, Department of Social Medicine, Akita University School of Medicine, Akita, Japan
    J Occup Health 46:352-8. 2004
    ..Despite the presence of potential selection bias, it is suggested that shift work in nurses may cause not only a long-term sympathodominant state but also some neuromotor impairment...
  24. ncbi [Impact of prenatal methylmercury exposure on child neurodevelopment in the Faroe Islands]
    Katsuyuki Murata
    Department of Hygiene, Akita University School of Medicine, 1-1-1 Hondo, Akita 010-8543, Japan
    Nippon Eiseigaku Zasshi 57:564-70. 2002
    ..The discrepancy between the two conclusions is also discussed...
  25. ncbi Critical dose of lead affecting delta-aminolevulinic acid levels
    Katsuyuki Murata
    Environmental Health Sciences, Department of Social Medicine, Akita University School of Medicine, 1-1-1 Hondo, Akita 010-8543, Japan
    J Occup Health 45:209-14. 2003
    ..Such critical doses are necessary to promote preventive activities of adverse effects of lead...
  26. ncbi Assessment of DNA damage in Japanese nurses handling antineoplastic drugs by the comet assay
    Makiko Sasaki
    Department of Environmental Health Sciences, Akita University School of Medicine, Akita, Japan
    J Occup Health 50:7-12. 2008
    ..To minimize this risk in Japan, use of biological safety cabinet and appropriate protective equipment, in addition to staff education and training, should be implemented in the healthcare environment...
  27. ncbi [Tohoku study of child development and exposure assessment]
    Kunihiko Nakai
    Department of Environmental Health Sciences, Tohoku University Graduate School of Medicine, Aoba ku, Sendai, Japan
    Nihon Eiseigaku Zasshi 64:749-58. 2009
    ..This finding suggest the importance of consistency in chemical analysis and the necessity for quality and accuracy control using reference materials...
  28. ncbi Interaction between resting pulmonary ventilation function and cardiac autonomic function assessed by heart rate variability in young adults
    Tomoko Kurosawa
    Department of Environmental Health Sciences, Akita University School of Medicine, Japan
    Biomed Res 28:205-11. 2007
    ....
  29. ncbi [Effect of solvent exposure on autonomic nervous function in female workers at factories of Buddhist altar]
    Miwako Dakeishi
    Department of Social Medicine, Akita University School of Medicine, 1-1-1 Hondo, Akita 010-8543, Japan
    Sangyo Eiseigaku Zasshi 45:194-6. 2003
  30. ncbi Effects of acute alcohol ingestion on neuromotor functions
    Shunpei Ando
    Department of Environmental Health Sciences, Akita University School of Medicine, 1 1 1 Hondo, Akita, Japan
    Neurotoxicology 29:735-9. 2008
    ....
  31. ncbi Benchmark dose calculations for methylmercury-associated delays on evoked potential latencies in two cohorts of children
    Katsuyuki Murata
    Department of Hygiene, Akita University School of Medicine, Japan
    Risk Anal 22:465-74. 2002
    ..The benchmark results using evoked potential latencies are in close agreement with results based on neuropsychological test performance...
  32. ncbi Association of alcohol dehydrogenase 2 and aldehyde dehydrogenase 2 genotypes with fasting plasma glucose levels in Japanese male and female workers
    Miwako Dakeishi
    Department of Environmental Health Sciences, Akita University School of Medicine, Akita City, Japan
    Alcohol Alcohol 43:143-7. 2008
    ..The objective was to clarify the effect of alcohol dehydrogenase 2 (ADH2) and aldehyde dehydrogenase 2 (ALDH2) genotypes on the diabetic risk in Japanese workers...
  33. ncbi Effects of sleep disturbances during pregnancy on cardiac autonomic modulation in the resting state
    Kuniko Shiga
    Department of Maternity Child Nursing, Akita University Graduate School of Medicine and Faculty of Medicine, Akita, Japan
    Int J Gynaecol Obstet 119:149-53. 2012
    ..To investigate whether sleep disturbances during pregnancy affect cardiac autonomic modulation in the resting state...
  34. ncbi Long-term consequences of arsenic poisoning during infancy due to contaminated milk powder
    Miwako Dakeishi
    Department of Environmental Health Sciences, Akita University School of Medicine, 1 1 1 Hondo, Akita 010 8543 Japan
    Environ Health 5:31. 2006
    ..Along with more recent epidemiological studies of children with environmental arsenic exposures, the data amply demonstrate the need to consider neurotoxicity as a key concern in risk assessment of inorganic arsenic exposure...
  35. ncbi Impact of total sleep duration on blood pressure in preschool children
    Mari Sampei
    Department of Environmental Health Sciences, Akita University School of Medicine, Japan
    Biomed Res 27:111-5. 2006
    ..These findings suggest that sleep duration in preschool children is associated with SBP, and extremely short or long sleep may invite subclinical health problems...
  36. ncbi Relationships between falls, spinal curvature, spinal mobility and back extensor strength in elderly people
    Yuji Kasukawa
    Department of Orthopedic Surgery, Akita University Graduate School of Medicine, 1 1 1 Hondo, Akita 010 8543, Japan
    J Bone Miner Metab 28:82-7. 2010
    ..0052), lumbar kyphosis (p = 0.0057), spinal inclination (p = 0.0378), mobility of lumbar spine (0.027), and mobility of spinal inclination (p = 0.0282) were significantly associated with presence/absence of falls in elderly individuals...
  37. ncbi Relation between benchmark dose and no-observed-adverse-effect level in clinical research: effects of daily alcohol intake on blood pressure in Japanese salesmen
    Miwako Dakeishi
    Department of Environmental Health Sciences, Akita University School of Medicine, Akita, Japan
    Risk Anal 26:115-23. 2006
    ..These findings suggest that the BMDL and BMD correspond to the NOAEL and lowest-observed-adverse-effect level, respectively, if the sample number of clinical data is large enough to confirm the dose-response association...
  38. ncbi Cardiac autonomic hypofunction in preschool children with short nocturnal sleep
    Mari Sampei
    Department of Environmental Health Sciences, Akita University School of Medicine, Japan
    Tohoku J Exp Med 208:235-42. 2006
    ..We suggest that sleep duration is an important predictor for autonomic development in childhood...
  39. ncbi Prevalence of psychological distress, as measured by the Kessler 6 (K6), and related factors in Japanese employees
    Masahito Fushimi
    Akita Occupational Health Promotion Center, Akita City, Akita, Japan
    Community Ment Health J 48:328-35. 2012
    ..The data of this study can be used as K6 benchmark values, which enhance the significance of future corporate health risk appraisal surveys...
  40. ncbi [The relation between preventive measures against passive smoking and health status of workers in small-scale workplaces in Akita Prefecture]
    Miwako Dakeishi
    Department of Environmental Health Sciences, Akita University School of Medicine, Japan
    Sangyo Eiseigaku Zasshi 47:139-41. 2005
  41. ncbi Effects of alcohol consumption on hepatocellular injury in Japanese men
    Miwako Dakeishi
    Division of Environmental Health Sciences, Department of Social Medicine, Akita University School of Medicine, Akita 010-8543, Japan
    Tohoku J Exp Med 202:31-9. 2004
    ..It is suggested that hepatocellular injury (i.e., AST elevation) in Japanese men may emerge at the ethanol level of more than 50 g/day...
  42. ncbi Relationships between QT interval and heart rate variability at rest and the covariates in healthy young adults
    Kaori Arai
    Department of Environmental Health Sciences, Akita University Graduate School of Medicine, Akita, Japan
    Auton Neurosci 173:53-7. 2013
    ..Also, these parameters should be analyzed in men and women separately...
  43. ncbi Interferon-gamma 874A>T genetic polymorphism is associated with infectious complications following surgery in patients with thoracic esophageal cancer
    Satoru Motoyama
    Department of Surgery, Akita University School of Medicine, Akita, Japan
    Surgery 146:931-8. 2009
    ..Our aim in this study was to assess whether cytokine polymorphisms were associated with infectious complications following esophagectomy in a Japanese population...