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Sleep is thought to be restorative in function, but what is restored during sleep is unclear. Here we tested the hypothesis that increased periods of wakefulness will result in decreased levels of glycogen, the principal energy store in brain, and with recovery sleep levels of glycogen will be replenished, thus representing a homeostatic component of sleep(More)
The function of the p53 protein as the central effector molecule of the p53 apoptotic pathway was investigated in a reversible model of epigenetic transformation. The infection of bovine leukocytes by the intracellular protozoan parasite Theileria annulata results in parasite-dependent transformation and proliferation of the host cells. We found p53 to be(More)
Rearrangement and loss of genetic material in DNA of human ductal breast carcinoma was analyzed by restriction enzyme digestion, agarose gel electrophoresis and Southern blot hybridization using 32P labeled c-Ha-ras-1 and multilocus, minisatellite 15.1.11.4 as a probe. In several cases an allelic loss of c-Ha-ras-1 locus in heterozygous patients were(More)
The purpose of the study was a trial of using the calorie pendulum test and the test of reversal of the direction of caloric nystagmus with an optokinetic stimulus for assessment of the oculovestibular response in children after brain commotion. The investigations were carried out in 30 children aged from 6 to 10 years. In both tests the movements of the(More)
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