Browsing by Author "Park, Sung Kyun"

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Browsing by Author "Park, Sung Kyun"

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  • Lampe, Brad J.; Park, Sung Kyun; Robins, Thomas; Mukherjee, Bhramar; Litonjua, Augusto A.; Amarasiriwardena, Chitra; Weisskopf, Marc; Sparrow, David; Hu, Howard (National Institute of Environmental Health Sciences, 2008-09)
    BACKGROUND. High levels of cadmium exposure are known to cause emphysema in occupationally exposed workers, but little has been reported to date on the association between chronic environmental cadmium exposure and pulmonary ...
  • Wright, Robert O.; Schwartz, Joel; Wright, Rosalind J.; Bollati, Valentina; Tarantini, Letizia; Park, Sung Kyun; Hu, Howard; Sparrow, David; Vokonas, Pantel; Baccarelli, Andrea (National Institute of Environmental Health Sciences, 2010-06)
    BACKGROUND. DNA methylation is an epigenetic mark that regulates gene expression. Changes in DNA methylation within white blood cells may result from cumulative exposure to environmental metals such as lead. Bone lead, a ...
  • Park, Sung Kyun; O'Neill, Marie S.; Vokonas, Pantel S.; Sparrow, David; Schwartz, Joel (National Institue of Environmental Health Sciences, 2005-03)
    Reduced heart rate variability (HRV), a marker of poor cardiac autonomic function, has been associated with air pollution, especially fine particulate matter [< 2.5 μm in aerodynamic diameter (PM2.5)]. We examined the ...
  • Zhang, Aimin; Park, Sung Kyun; Wright, Robert O.; Weisskopf, Marc G.; Mukherjee, Bhramar; Nie, Huiling; Sparrow, David; Hu, Howard (National Institute of Environmental Health Sciences, 2010-09)
    BACKGROUND. Cumulative lead exposure is associated with a widened pulse pressure (PP; the difference between systolic and diastolic blood pressure), a marker of arterial stiffness and a predictor of cardiovascular disease. ...
  • Park, Sung Kyun; Hu, Howard; Wright, Robert O.; Schwartz, Joel; Cheng, Yawen; Sparrow, David; Vokonas, Pantel S.; Weisskopf, Marc G. (National Institute of Environmental Health Sciences, 2009-01)
    BACKGROUND. Cumulative exposure to lead has been shown to be associated with depression of electrocardiographic conduction, such as QT interval (time from start of the Q wave to end of the T wave). Because iron can enhance ...
  • Park, Sung Kyun; Schwartz, Joel; Weisskopf, Marc; Sparrow, David; Vokonas, Pantel S.; Wright, Robert O.; Coull, Brent; Nie, Huiling; Hu, Howard (National Institute of Environmental Health Sciences, 2006-11)
    BACKGROUND. Altered heart rate variability (HRV), a marker of poor cardiac autonomic function, has been associated with sudden cardiac death and heart failure. OBJECTIVE. We examined the association of low-level lead ...