Table 1

Effect of CLA feeding on apoptosis in different mammary gland structures

Treatment% apoptotic cellsa
AlveoliTEBIDP
Control0.22 ± 0.010.46 ± 0.030.47 ± 0.03
CLA mixture0.24 ± 0.020.52 ± 0.031.03 ± 0.07b
9,11-CLA0.20 ± 0.010.54 ± 0.040.98 ± 0.08b
  • a Because of the low rate of apoptosis, ∼20,000–25,000 cells were counted for each type of structure per group. The slides were obtained from six rats for each treatment. The results are expressed as mean ± SE (n = 40–60 fields).

  • b P < 0.05 compared with the corresponding control value.