Research Article

In Vitro and In Vivo Genotoxicity Assessment of Aristolochia manshuriensis Kom.

Table 2

Effects of Arisolochiae manshuriensis Kom. (AMK) on the chromosomal aberration in Chinese hamster ovary (CHO)-K1 cells.

Treatment (μg/mL)AA I/ II (μg/mL)S9 mixTime (h)aAberrant metaphases (−Gap/+Gap)PP + ERRCCb (%)

Vehicle control6–180.0/0.00.0100.0

6251.78/0.316–181.0/1.50.086.5
AMK1,2503.56/0.636–180.5/0.50.077.8
2,5007.13/1.256–182.0/2.00.054.6

MMC0.046–1822.0/22.5*0.0
0.0

Vehicle control+6–180.5/0.50.0100.00

1,2503.56/0.63+6–180.5/0.50.092.1
AMK2,5007.13/1.25+6–180.5/1.00.086.2
5,00014.25/2.50+6–181.0/1.50.069.1

CPA10.00+6–1827.0/27.5*0.0
0.0

Vehicle control24–00.5/0.50.0100.0

6251.78/0.3124–00.5/1.00.075.1
AMK1,2503.56/0.6324–01.5/2.00.072.5
2,5007.13/1.2524–02.5/2.50.053.9

MMC0.0424–027.0/28.0*0.0

Abbreviations: PP: polyploidy; ER: endoreduplication; RCC: relative cell counts; MMC: mitomycin C; CPA: cyclophosphamide.
aTreatment time-recovery time.
bRCC (relative cell count) equals (no. of treated cells/no. of control cells) × 100 (%).
*Significantly different from the vehicle control at .