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Oxygen intermediates are responsible for a number of ultraviolet (UV) radiation effects. To test the hypothesis that UV-induced formation of sunburn cells and skin edema (ear swelling) result from oxidative damage, we examined the effect of hypoxia tissue responses to UV in the mouse ear. Hypoxia
Recent studies have demonstrated that angiogenesis and suppressed cell-mediated immunity (CMI) play a central role in the pathogenesis of malignant disease facilitating tumour growth, invasion and metastasis. In the majority of tumours, the malignant process is preceded by a pathological condition
Positively phototactic fish larvae may be exposed to increased ultraviolet-B (UV-B) radiation alone or, potentially and in addition, to polycyclic aromatic hydrocarbons (PAHs) such as retene (7-isopropyl-1-methylphenanthrene) at the egg or larval stages. Suspended and sedimental particulate material