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  • Title: The effect of cellular glucoprivation on skin temperature regulation in the rat.
    Author: Simpkins JW, Andreadis DK, Millard WJ, Katovich MJ.
    Journal: Life Sci; 1990; 47(2):107-15. PubMed ID: 2388522.
    Abstract:
    Studies were undertaken to determine the effects of cellular glucoprivation on temperature responses in morphine-addicted and placebo-treated rats and to compare these responses to those observed during naloxone-precipitated morphine withdrawal. Naloxone caused a tail skin temperature (TST) response of 5.7 +/- 0.5 degrees C in morphine-dependent rats. Intraperitoneal administration 2-deoxyglucose (2DG) caused TST responses in placebo-treated and morphine-dependent rats of 4.8 +/- 0.6 and 6.2 +/- 0.5 degrees C, respectively. These data indicate that the activation of the sympathetic nervous system by cellular glucoprivation causes a TST response which is equivalent in magnitude to that induced by precipitating withdrawal with naloxone. This effect of 2DG appears to be mediated by the brain, since icy administration of 2DG caused a TST response, similar to that induced by naloxone treatment of morphine-dependent rats. Collectively, these data suggest that a TST increase is a component of the response of rats to local brain glucoprivation induced by 2DG.
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