Research Article

Micronucleated Erythrocytes in Peripheral Blood from Neonate Rats Exposed by Breastfeeding to Cyclophosphamide, Colchicine, or Cytosine-Arabinoside

Table 1

MNPCE frequencies from dams of rat study groups at different sampling times.

Groups0 h24 h48 h72 h96 h120 h

Negative control1.40 ± 0.891.80 ± 1.301.80 ± 0.841.60 ± 1.142.00 ± 1.302.20 ± 1.30

CP lower-dose1.20 ± 0.83 4.47 ± 1.4513.47 ± 3.5312.07 ± 3.617.33 ± 3.482.53 ± 1.12

CP middle-dose1.60 ± 0.89 3.47 ± 1.6120.60 ± 4.3413.40 ± 3.5814.07 ± 4.752.07 ± 0.86

CP higher-dose1.27 ± 0.43 6.73 ± 2.1224.33 ± 5.2520.20 ± 6.2116.80 ± 4.273.60 ± 1.38

COL lower-dose1.00 ± 0.71 3.00 ± 0.715.00 ± 1.877.60 ± 2.407.20 ± 1.643.00 ± 1.22

COL middle-dose1.20 ± 0.45 3.80 ± 1.797.00 ± 1.227.60 ± 2.516.00 ± 2.553.20 ± 0.84

COL higher-dose1.20 ± 0.84 3.60 ± 1.525.80 ± 1.926.40 ± 2.406.40 ± 2.413.60 ± 1.82

AraC lower-dose1.20 ± 0.84 3.80 ± 1.799.20 ± 2.388.00 ± 2.743.60 ± 0.891.80 ± 0.45

AraC middle-dose1.20 ± 1.10 5.60 ± 1.828.80 ± 2.397.80 ± 1.305.80 ± 1.303.40 ± 1.52

AraC higher-dose1.40 ± 0.89 7.40 ± 2.079.00 ± 2.008.20 ± 2.498.00 ± 2.003.40 ± 1.51

Data () expressed as mean ± standard deviation per group of MNPCEs/1,000 PCEs. MNPCEs: micronucleated polychromatic erythrocytes, PCEs: polychromatic erythrocytes, h: hours, and NS: not significant. group comparisons. group comparisons between negative control groups versus the other groups.