Structural modulation of lipid peroxidation by the proteins within membranes: model protein studies with liposomes.
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Biomedical subjects
Publications and source records attributed to M Anderton.
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This month's special feature is devoted to computers and nursing. We look at the possibilities and pitfalls in selecting a nursing management system, ask whether senior nurses are making the most of resource management and quality assurance programmes, and find promising results from an experiment with handheld computers by community nurses.
In slices of young rat cerebellum, the glutamate analogue kainate induced a large accumulation of cyclic GMP, which was inhibited by non-N-methyl-D-aspartate antagonists. Quisqualate and alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate evoked only small cyclic GMP responses and inhibited the effect of kainate. When tested in cerebellar cell suspensions, glutamate was also a potent antagonist of the cyclic GMP response to kainate. Superoxide dismutase enhanced the response in the isolated cells, whereas haemoglobin and methylene blue were inhibitory. The response in slices was Ca2+ dependent, augmented by arginine, and inhibited by L-NG-monomethylarginine in a manner that could be reversed by additional arginine. It is concluded that stimulation of kainate receptors leads to activation of the enzyme that synthesizes nitric oxide from arginine and that activation of soluble guanylate cyclase by the released nitric oxide accounts for the cyclic GMP generation.
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