Determination of striatal extracellular γ-aminobutyric acid in non- hibernating Arctic ground squirrels using quantitative microdialysis

Brain Research

Volumn 839, Issue 1, 1999, Pages 1-6

  Osborne, P G ^a   Hu, Y ^a   Covey, D N ^a   Barnes, B N ^a   Katz, Z ^a   Drew, K L ^a  

^a UNIVERSITY OF ALASKA FAIRBANKS   (United States)

Author keywords

Cerebral ischemia; Cold adaptation; GABA; Torpor; Zero flow

Indexed keywords

4 AMINOBUTYRIC ACID;

ANIMAL EXPERIMENT; ARTICLE; CORPUS STRIATUM; HIBERNATION; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; MICRODIALYSIS; NONHUMAN; PRIORITY JOURNAL; SQUIRREL;

ADAPTATION, PHYSIOLOGICAL; ANIMALS; ARCTIC REGIONS; BLOOD GLUCOSE; CORPUS STRIATUM; GAMMA-AMINOBUTYRIC ACID; GLUCOSE; HIBERNATION; MICRODIALYSIS; NONLINEAR DYNAMICS; SCIURIDAE;

EID: 0033592120     PISSN: 00068993     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0006-8993(99)01627-3     Document Type: Article

References (18)

1. Barnes B.M. Freeze avoidance in a mammal: body temperatures below 0°C in an arctic hibernator. Science. 244:1989;1593-1595.
2. Buzadzic B., Spasic M., Saicic Z.S., Radojicic R., Petrovic V.M., Halliwell B. Antioxidant defenses in the ground squirrel Citellus citellus: 2. The effect of hibernation. Free Radical Biol. Med. 9:1990;407-413.
3. Drew K.L., Fitka T., Hu Y., Ungerstedt U. Non-excytotic GABA overflow in rat striatum inhibits gnawing. Life Sci. 61:1997;1593-1601.
4. Frerichs K.U., Kennedy C., Sokoloff L., Hallenbeck J.M. Local cerebral blood flow during hibernation, a model of natural tolerance to cerebral ischemia. J. Cereb. Blood Metab. 14:1994;193-205.
5. Frerichs K.U., Dienel G.A., Cruz N.F., Sokoloff L., Hallenbeck J.M. Rates of glucose utilization in brain of active and hibernating ground squirrels. Am. J. Physiol. 268:1995;R445-R453.
6. Galster W., Morrison P.R. Gluconeogenesis in Arctic ground squirrels between periods of hibernation. Am. J. Physiol. 288:1975;325-330.
7. Hochachka P.W. Defense strategies against hypoxia and hypothermia. Science. 231:1986;234-241.
8. Jacobson I., Sandberg M., Hamberger A. Mass transfer in brain dialysis devices - a new method for the estimation of extracellular amino acid concentrations. J. Neurosci. Methods. 15:1985;263-268.
9. Lust W.D., Wheaton A.B., Feussner G., Passonneau J. Metabolism in the hamster brain hibernation and arousal. Brain Res. 489:1989;12-20.
10. Martin D.L., Rimvall K. Regulation of gamma-aminobutyric acid synthesis in the brain. J. Neurochem. 60:1993;395-407.
11. Mihailovic L.T., Krzalic L., Cupic D., Beleslin B. Changes of cerebral glutamine, glutamic acid and GABA during arousal from hibernation. Experimentia. 21:1965;1-3.
12. Miller J.D., Cao V.H., Heller H. Thermal effects on neuronal activity in suprachiasmatic nuclei of hibernators and nonhibernators. Am. J. Physiol. 266:1994;R1259-1266.
13. Osborne P.G., Niwa O., Kato T., Yamamoto K. On-line continuous measurement of extracellular brain glucose using microdialysis and electrochemical detection. J. Neurosci. Methods. 77:1997;143-150.
14. Parsons L.H., Justice J.B. Jr. Extracellular concentration and in vivo recovery of dopamine in the nucleus accumbens using microdialysis. J. Neurochem. 58:1992;212-218.
15. Snapp B.D., Heller H.C. Suppression of metabolism during hibernation in ground squirrels (Citellus lateralis). Physiol. Zool. 54:1981;297-307.
16. Svihla A., Bowman H., Ritenour R. Prolongation of clotting time in dormant estivating mammals. Science. 114:1951;298-299.
17. Twente J.W., Twente J.A. Concentrations of D-glucose in the blood of Citellus lateralis after known intervals of hibernation. J. Mammol. 48:1967;381-387.
18. U. Ungerstedt, Measurement of neurotransmitter release by intracranial dialysis, in: C.A. Marsden (Ed.), Measurement of Neurotransmitter Release, Wiley, New York, 1984, pp. 81-107.