Table 1 BoNT/C1 ad mouse lethality assay.

From: Engineering Botulinum Neurotoxin C1 as a Molecular Vehicle for Intra-Neuronal Drug Delivery

Determination of mouse LD50 for BoNT/C1 ad used in this study

Dose (mg/kg)

Percent survival (n = 10)

Comments on surviving mice, 5 days observation time

0.04

100

No symptoms for all mice injected. All mice bright, alert, responsive throughout duration of experiment

0.20

100

No symptoms for all mice injected. All mice bright, alert, responsive throughout duration of experiment

0.40

100

No symptoms for all mice injected. All mice bright, alert, responsive throughout duration of experiment

0.80

100

No symptoms for all mice injected. All mice bright, alert, responsive throughout duration of experiment

2.00

90

2 mice bright, alert, responsive throughout duration of experiment; 6 mice bright, alert, responsive with low level severity of abdominal breathing; 1 mouse bright, alert, responsive with high level severity of abdominal breathing. 7 mice with symptoms are fully recovered within 72 hours after injection.

4.00

70

3 mice bright, alert, responsive throughout duration of experiment; 4 mice bright, alert, responsive with high level severity of abdominal breathing. These 4 mice with symptoms are fully recovered within 72 hours after injection.

5.00

50

5 mice bright, alert, responsive with high level severity of abdominal breathing. These 5 mice with symptoms are fully recovered within 72 hours after injection.

6.00

10

2 mice bright, alert, responsive with high level severity of abdominal breathing. These 2 mice with symptoms are fully recovered by day 5 after injection.

  1. Mice were injected ip with indicated doses of BoNT/C1 ad diluted in 0.2% gelatin-DPBS. Survival was measured three times a day for up to 5 days. The percentage of surviving mice at the end of day 5 is shown.