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Eur J Morphol. 1990;28(2-4):132-8.

Principles of the 2-deoxyglucose method for the determination of the local cerebral glucose utilization.

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1
Anatomisches Institut der Universit├Ąt W├╝rzburg, FRG.

Abstract

Sokoloff and co-workers developed the 2-deoxy-D-[1-14C]glucose (2DG) method in order to study the local cerebral glucose utilization (LCGU) of discrete brain regions in vivo. Energy metabolism of the adult mammalian brain is almost entirely dependent on glucose. The majority of the glucose taken up by the brain is needed for the maintenance of the membrane potentials and the electrical activity. The functional activity could thus be shown to be closely linked to energy metabolism. Consequently, examination of the energy metabolism by measuring the cerebral metabolic rate for glucose can provide information concerning functional activity in all of the neuroanatomically defined regions of the brain. Studying the fate of experimentally injected 2-deoxy-D-[1-14C]glucose, a radioactive labeled analogue of glucose, and, subsequently, employing quantitative autoradiographic techniques, it is possible to estimate the levels of the local cerebral glucose utilization in specific regions of the brain. According to Sokoloff (1982) the LCGU represents a "metabolic encephalography".

PMID:
2245129
[Indexed for MEDLINE]

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