Research Article
Toxicity and Neuropharmacological Effects of Elenine
Table 1
General activity and time-dose response summary showing the average data score.
| | Time after drug (min) | | 30 | 60 | 120 | 180 |
| Dose | C | 10 | 20 | 40 | C | 10 | 20 | 40 | C | 10 | 20 | 40 | C | 10 | 20 | 40 |
| Behavioural | | | | | | | | | | | | | | | | | (1) Spontaneous activity | | | | | | | | | | | | | | | | | Body position | 4 | 2.8* | 2* | 1.8* | 4 | 2.6* | 2.8* | 1.6* | 4 | 2.2* | 1.8* | 1.6* | 4 | 2.2* | 1.8* | 1.6* | Locomotor activity | 4 | 3* | 2* | 1.8* | 4 | 2* | 1.6* | 1.5* | 4 | 2* | 1.5* | 1.5* | 4 | 2* | 1.5* | 1.5* | (2) Motor-affective response | | | | | | | | | | | | | | | | | Transfer arousal | 4 | 3.1* | 2.5* | 2.3* | 4 | 2.7* | 2.3* | 2.2* | 4 | 2.4* | 2.2* | 2.2* | 4 | 3* | 2* | 2* | Touch escape | 4 | 3.6* | 2.3* | 2* | 4 | 3.3* | 2.3* | 1.8* | 4 | 3* | 2* | 1.8* | 4 | 3* | 2* | 1.8* | Positional passivity | 0 | 0 | 2* | 1.9* | 4 | 0 | 2* | 1.9* | 4 | 0 | 2* | 1.9* | 4 | 0 | 2* | 1.9* | (3) Sensorimotor response | | | | | | | | | | | | | | | | | Toe pinch | 4 | 3.2* | 2* | 2* | 4 | 3* | 2* | 1.7* | 4 | 3* | 2* | 1.7* | 4 | 3* | 2* | 1.7* | Corneal | 4 | 3* | 2.5* | 2.5 | 4 | 3* | 2.5* | 2.5* | 4 | 3* | 2.5* | 2.5* | 4 | 3* | 2.5* | 2.5* | Pinna | 4 | 3.4 | 3.2* | 2.8 | 4 | 3.4* | 3.2* | 2.8* | 4 | 3.4* | 3.2* | 2.8* | 4 | 3.4* | 3.2* | 2.8* | (4) Posture | | | | | | | | | | | | | | | | | Tail elevation | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Neurologic | | | | | | | | | | | | | | | | | (1) Muscle tone | | | | | | | | | | | | | | | | | Body tone | 4 | 3.5* | 3.* | 3* | 4 | 3.2* | 2.8* | 2.6* | 4 | 3* | 2.6* | 2.6* | 4 | 3* | 2.6* | 2.6* | Abdominal tone | 4 | 3.3* | 2.6* | 2.4* | 4 | 3* | 2.6* | 2.4* | 4 | 2.8* | 2.2* | 2* | 4 | 2.8* | 2.2* | 2* | Limb tone | 4 | 3.6* | 3.3* | 3* | 4 | 3.6* | 3* | 3* | 4 | 3.6* | 3* | 3* | 4 | 3.6* | 3* | 3* | Grip strength | 4 | 3.4* | 2.8* | 2.4* | 4 | 3.4* | 2.6* | 2.4* | 4 | 3.4* | 2.6* | 2.2* | 4 | 3.4* | 2.6* | 2.2* | Wire manoeuvre | 0 | 0.5* | 0.7* | 1.2* | 0 | 0.6* | 0.9* | 1.2* | 0 | 0.7* | 0.9* | 1.2* | 4 | 0.7 | 0.9* | 1.2* | (2) Equilibrium and gait | | | | | | | | | | | | | | | | | Righting reflects | 0 | 0.2* | 0.3* | 0.5* | 0 | 0.5* | 0.6* | 0.8* | 0 | 0.5* | 0.6* | 0.80.1* | 0 | 0.5* | 0.7* | 0.8* | Hypotonic gait | 0 | 0.4* | 0.7* | 0.8* | 0 | 0.6* | 0.8* | 0.8* | 0 | 0.6* | 0.8* | | 0 | 0.6* | 0.9* | 1* | (3) CNS excitation | | | | | | | | | | | | | | | | | Tremors | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | Twitches | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | Convulsions | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Autonomic | | | | | | | | | | | | | | | | | (1) Eyes: Palpebral closure | 0 | 0 | 0.4* | 0.6* | 0 | 0.4* | 0.5* | 0.6* | 0 | 0.4* | 0.5* | 0.6* | 0 | 0.4* | 0.5* | 0.6* | (2) Secretion Excitation | | | | | | | | | | | | | | | | | Diarrhoea | | + | + | + | | + | + | + | | | | | | | | | (3) General | | | | | | | | | | | | | | | | | Piloerection | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | Hypothermia | | | | | | + | + | + | | + | + | + | | + | + | + | Respiratory rate | 4 | 3.8* | 3.6* | 3.4* | 4 | 3.8* | 3.6* | 3.4* | 4 | 3.8* | 3.6* | 3.4* | 4 | 3.8* | 3.6* | 3.4* | Skin colour | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
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(a) C, control, 10, 20, and 40 mg/Kg elenine. * versus control group.
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