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Polycyclic aromatic hydrocarbons (PAH) are potent mammary carcinogens in rodents, but their effect on breast cancer development in women is not clear. To examine whether currently measurable PAH damage to DNA increases breast cancer risk, a population-based case-control study was undertaken on Long Island, NY. Cases were women newly diagnosed with in situ(More)
The detection of polycyclic aromatic hydrocarbon (PAH)-DNA adducts in human lymphocytes may be useful as a surrogate end point for individual cancer risk prediction. In this study, we examined the relationship between environmental sources of residential PAH, as well as other potential factors that may confound their association with cancer risk, and the(More)
To characterize the volume-activated Cl(-) current in bovine pigmented ciliary epithelial (PCE) cells, the whole-cell patch clamp technique was employed. Exposure to a hypotonic solution induced a volume-activated Cl(-) current. The activation of the current depended on intracellular ATP. The current showed a characteristic outward rectification. There was(More)
Objective: Using scanning electron microscope to observe the ultrastructure of utricular maculae of mouse. Methods: Ten young (6 to 8 weeks) and ten old (>12 months) mice were executed, and their utricles were harvested and the specimens were processed, using scanning electron microscope to observe the structures of the utricles from the surface of otoconia(More)
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