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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Hypothermia attenuates hyperglycolysis in the periphery of ischemic core in rat brain.

Hypothermia has proven to be neuroprotective against ischemic brain injury. However, the exact mechanism has not yet been fully understood. In this study, we investigated the effects of hypothermia on cerebral glucose metabolism and blood flow in focal ischemic rats. Rats were divided into normothermic (37+/-0.5 degrees C) and hypothermic (30+/-0.5 degrees C) groups. Focal cerebral ischemia was induced by middle cerebral and ipsilateral common carotid arteries occlusion. Two hours after ischemia, autoradiographic studies of 2-deoxyglucose and iodoantipyrine were performed to measure local cerebral glucose utilization (LCGU) and cerebral blood flow. LCGU in the ischemic core was excessively reduced in both groups. However, a marked increase in LCGU was observed in the boundary zone of the ischemic core in normothermic rats. On the other hand, hyperglycolysis in the boundary zone of the ischemic core was suppressed in hypothermia. This attenuation of hyperglycolysis might be closely related to survival of the ischemic penumbra in hypothermia.[1]

References

  1. Hypothermia attenuates hyperglycolysis in the periphery of ischemic core in rat brain. Tohyama, Y., Sako, K., Yonemasu, Y. Experimental brain research. Experimentelle Hirnforschung. Expérimentation cérébrale. (1998) [Pubmed]
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