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描述 | Bemegride had an antagonistic action on the GABAA receptor, suppressing both GABA- and pentobarbitone-evoked whole-cell currents to similar extents[3]. The intensity of withdrawal syndrome in rats treated with barbital alone or in combination with the stimulant bemegride or pentylenettrazol was approximately parallel to the degree of related central nervous system depression[4]. The bemegride discriminative stimulus generalized to PTZ (20mg/kg) and was antagonized by chlordiazepoxide (10 mg/kg). Bemegride and cocaine generalized to the PTZ (pentylenetetrazol) discriminative stimulus in a dose-dependent manner, but d-amphetamine, methylphenidate, and nicotine did not[5]. Administration of subconvulsant doses of bemegride results in extensive enhancement of sensory responsiveness to auditory, visual, somatosensory and vibrissa stimulation of neurons in the medullary and mesencephalic reticular formation (RF)[6]. |
实验方案 | |||
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1mg | 5mg | 10mg | |
1 mM 5 mM 10 mM |
6.44mL 1.29mL 0.64mL |
32.22mL 6.44mL 3.22mL |
64.44mL 12.89mL 6.44mL |
参考文献 |
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