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

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A primate model of anxiety.

Pentylenetetrazol (PTZ; 30 mg/kg, i.m.) produced an acute anxiogenic effect on the behaviour of a social colony of rhesus monkeys acclimatized to laboratory conditions. The animals exhibited hypervigilance, aggressiveness, tachypnea, piloerection and frequent change of posture and also had raised plasma cortisol levels. These effects of PTZ were antagonized by benzodiazepines (diazepam; 1 mg/kg, i.v. and alprazolam; 0.05 mg/kg, p.o.). Non-benzodiazepine anxiolytic drug (buspirone; 10 mg/kg, p.o.) blocked the behavioural effects but not the rise in plasma cortisol concentration. On the other hand, pretreatment with hypnosedative (promethazine; 5 mg/kg, i.m.) or anticonvulsant (sodium valproate; 40 mg/kg, p.o.) agents did not attenuate the effects of PTZ indicating the specificity of its anxiogenic response. The model, thus, seems suitable for evaluation of potential anxiolytic agents.[1]

References

  1. A primate model of anxiety. Palit, G., Kumar, R., Chowdhury, S.R., Gupta, M.B., Saxena, R.C., Srimal, R.C., Dhawan, B.N. European neuropsychopharmacology : the journal of the European College of Neuropsychopharmacology. (1998) [Pubmed]
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