Katsuyuki Murata

Summary

Affiliation: Akita University School of Medicine
Country: Japan

Publications

  1. ncbi request reprint 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
  2. ncbi request reprint 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
  3. ncbi request reprint [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
  4. ncbi request reprint 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. ncbi request reprint 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
  6. doi request reprint 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
  7. ncbi request reprint 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
  8. ncbi request reprint 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
  9. ncbi request reprint [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
  10. doi request reprint 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

Publications47

  1. ncbi request reprint 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))...
  2. ncbi request reprint 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
    ....
  3. ncbi request reprint [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...
  4. ncbi request reprint 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...
  5. ncbi request reprint 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...
  6. doi request reprint 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
    ....
  7. ncbi request reprint 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...
  8. ncbi request reprint 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
    ....
  9. ncbi request reprint [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...
  10. doi request reprint 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 request reprint 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 request reprint 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
    ..To determine possible exposure-associated delays in auditory brainstem evoked potential latencies as an objective measure of neurobehavioral toxicity in 14-year-old children with developmental exposure to methylmercury (MeHg) from seafood...
  13. doi request reprint 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...
  14. doi request reprint 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...
  15. ncbi request reprint 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 request reprint 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
    ..This study was carried out to estimate the critical dose of lead affecting the neuromotor function in workers by introducing the benchmark dose (BMD) approach, as well as to identify the specific postural sway to lead exposure...
  17. ncbi request reprint The association between dietary lifestyles and hepatocellular injury in Japanese workers
    Toyoto Iwata
    Department of Environmental Health Sciences, Akita University Graduate School of Medicine
    Tohoku J Exp Med 231:257-63. 2013
    ..Since the average content of saturated fatty acids in instant noodles is considerably high among cereal foods in Japan, workers with this habit should be advised to avoid having unbalanced diets. ..
  18. ncbi request reprint 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...
  19. doi request reprint 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...
  20. ncbi request reprint [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...
  21. ncbi request reprint 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...
  22. ncbi request reprint 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 request reprint 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...
  24. ncbi request reprint 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...
  25. ncbi request reprint [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
    Nihon Eiseigaku Zasshi 57:564-70. 2002
    ..The discrepancy between the two conclusions is also discussed...
  26. ncbi request reprint 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...
  27. ncbi request reprint [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 request reprint 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 request reprint 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...
  30. ncbi request reprint 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...
  31. doi request reprint 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...
  32. ncbi request reprint 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...
  33. doi request reprint 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
    ....
  34. ncbi request reprint [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
  35. doi request reprint C-reactive protein inhibits lymphangiogenesis and resultant lymph node metastasis of squamous cell carcinoma in mice
    Tomohiko Sasaki
    Department of Surgery, Akita University Graduate School of Medicine, Akita, Japan
    Surgery 154:1087-92. 2013
    ..We hypothesized that host CRP directly inhibits lymph node metastasis...
  36. doi request reprint 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...
  37. ncbi request reprint 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...
  38. ncbi request reprint 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...
  39. doi request reprint 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...
  40. ncbi request reprint 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...
  41. pmc 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...
  42. ncbi request reprint New CT criteria for nodal staging in non-small cell lung cancer
    Satoshi Kudo
    Department of General Thoracic Surgery and Breast and Endocrine Surgery, Akita University Graduate School of Medicine, 1 1 1 Hondo, Akita City 010 8543, Japan
    Clin Imaging 38:448-53. 2014
    ..The purpose of our study was to develop a simple noninvasive technique for nodal staging using routine preoperative computed tomography (CT)...
  43. doi request reprint 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...
  44. ncbi request reprint [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
  45. ncbi request reprint 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...
  46. doi request reprint Suppression of erythropoietin induction by diethylstilbestrol in rats
    Hyogo Horiguchi
    Department of Environmental Health Sciences, Graduate School of Medicine, Akita University, 1 1 1 Hondo, Akita, 010 8543, Japan
    Arch Toxicol 88:137-44. 2014
    ..In conclusion, diethylstilbestrol has a suppressive effect on erythropoietin induction, leading to deceleration of erythropoiesis and the development of anemia. ..
  47. ncbi request reprint 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...