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Table 1 Olive Tail Moment (OTM) after incubation with different concentrations of Mn2+/Ca2+ or Mg2+/Ca2+ (0 mM, 0.1 mM, 1 mM, 5 mM and 50 mM) in non-permeabilized (−TX) and permeabilized (+TX) samples

From: An intracellular, non-oxidative factor activates in vitro chromatin fragmentation in pig sperm

 

DNA damage (olive tail moment)

Non-permeabilized (−TX)

Permeabilized (+TX)

(A) Mn2+/Ca2+

 Control (0 mM)

22.72 ± 5.18a

28.73 ± 4.65a

 0.1 mM

34.03 ± 5.88b

29.55 ± 4.84a

 1 mM

41.45 ± 3.81c

39.45 ± 4.41b

 5 mM

58.07 ± 7.38d

51.01 ± 5.02c

 50 mM

60.53 ± 6.93d

64.41 ± 8.17d

(B) Mg2+/Ca2+

 Control (0 mM)

34.48 ± 7.86a

35.20 ± 7.20a

 0.1 mM

34.93 ± 8.22a

35.99 ± 5.90a

 1 mM

39.06 ± 11.26a

37.21 ± 6.32a

 5 mM

39.08 ± 6.61a

46.63 ± 8.01b

 50 mM

45.18 ± 5.94c

50.35 ± 4.89b

  1. Different letters indicate significant differences (P ≤ 0.05) between concentrations of Mn2+/Ca2+ (A) or Mg2+/Ca2+ (B) within non-permeabilized (−TX) and permeabilized (+TX) samples. Comparisons between non-permeabilized (−TX) and permeabilized (+TX) samples, or between ions (Mn2+/Ca2+ vs. Mg2+/Ca2+) are not depicted