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This study was designed to examine the role of the cytokine interleukin-6 (IL-6) in environmental air pollutant-induced pulmonary inflammation, injury, and repair. IL-6 knockout (KO) mice and wild-type (WT) mice were exposed to filtered air; aged and diluted cigarette smoke (ADSS), a surrogate for environmental tobacco smoke; ozone; or ADSS followed by(More)
To determine the effects of aged and diluted sidestream cigarette smoke (ADSS) as a surrogate of environmental tobacco smoke (ETS) on ozone-induced lung injury, male B6C3F1 mice were exposed to (1) filtered air (FA), (2) ADSS, (3) ozone, or (4) ADSS followed by ozone (ADSS/ozone). Exposure to ADSS at 30 mg/m3 of total suspended particulates (TSP) for 6(More)
BACKGROUND Epidemiologic studies associate environmental tobacco smoke (ETS) exposure with childhood asthma. OBJECTIVE To investigate whether specific pathophysiological alterations that contribute to asthma development in human beings can be induced in infant monkeys after perinatal ETS exposure. METHODS Rhesus macaque fetuses/infants were exposed to(More)
BACKGROUND Nontraumatic osteonecrosis of the femoral head (NONFH) is a debilitating disease that represents a significant financial burden for both individuals and healthcare systems. Despite its significance, however, its prevalence in the Chinese general population remains unknown. This study aimed to investigate the prevalence of NONFH and its associated(More)
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