Ultrastrukturelle Reaktion der multipotenten Glia im Kleinhirn der Ratte nach Behandlung mit 6-Aminonikotinamid

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Abstract
6-Aminonicotinamide (6-AN), an antimetabolite of nicotinamide, damages the astrocytes and oligodendrocytes through a blockade of the pentose phosphate pathway. Both types of glia cells become hydropic. A third type of glia cell, described by Vaughn and Peters, the multipotential glia, is affected to a lesser extent. These cells phagocytize and form pseudopodia after treatment with 6-AN. Thus the multipotential glia cells are ‘marked’ by the action of 6-AN, since they are obviously less dependent on the pentose phosphate pathway in the carbohydrate metabolism.

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