Fig. 5.

Two groups of animals with different changes in the extracellular level of l-[¹⁴C]glutamate in the synaptosomal suspension under conditions of deep and profound hypothermia. The experiments were subdivided in two groups with a tendency to decrease (a) and increase (b) in the value of extracellular l-[¹⁴C]glutamate in the synaptosomal suspension in hypothermia. The level was measured at 14-min time point (see the “Methods” section) at 37 (empty columns), 27 (grey columns), and 17 °C (black columns). Total synaptosomal l-[¹⁴C]glutamate content was equal to 200,000 ± 15,000 cpm/mg protein. Data are means ± SEM of 30 independent experiments, each performed in triplicate