Skip to main content

Table 1 Percentage of apoptotic cells: comparison of results obtained with different methods in HT 1376 cells

From: Sequential events of apoptosis involving docetaxel, a microtubule-interfering agent: A cytometric study

UNTREATED CULTURES

METHOD

CULTURE TIME

 

6 hrs

16 hrs

24 hrs

48 hrs

72 hrs

96 hrs

120 hrs

Cell Cycle

HP

G0/1

S

G2/M

HP

G0/1

S

G2/M

HP

G0/1

S

G2/M

HP

G0/1

S

G2/M

HP

G0/1

S

G2/M

HP

G0/1

S

G2/M

HP

G0/1

S

G2/M

(PI staining)

1.0

42.6

37.4

20.0

1.0

44.0

35.4

20.6

2.0

47.9

30.5

21.6

2.6

60.5

31.0

8.5

2.1

64.5

25.7

9.8

3.3

70.1

19.3

10.6

5.6

78.1

12.3

9.6

 

6 hrs

16 hrs

24 hrs

48 hrs

72 hrs

96 hrs

    

JC-1

1.5

2.0

3.5

2.5

4.6

5.1

    

Low FSC area

4.4

5.6

8.9

11.8

10.8

30.7

    

Low FSC/SSC area

1.7

0.4

0.8

2.3

3.0

4.5

    

MAA+PI staining

E

L

N

 

E

L

N

 

E

L

N

 

E

L

N

 

E

L

N

 

E

L

N

     
 

N.E.

N.E.

N.E.

 

N.E.

N.E.

N.E.

 

0.5

0.6

5.4

 

1.5

1.3

7.2

 

3.1

3.4

10.6

 

5.0

5.8

10.8

     

AnnV+PI staining

E

L

N

 

E

L

N

 

E

L

N

 

E

L

N

 

E

L

N

 

E

L

N

     
 

N.E.

N.E.

N.E.

 

N.E.

N.E.

N.E.

 

2.9

0.7

4.5

 

2.0

3.2

5.1

 

1.2

4.7

7.3

 

3.1

5.9

8.2

     

TUNEL

N.E.

N.E.

0.5

0.8

1.6

1.5

    

DOCETAXEL-TREATED CULTURES

METHOD

CULTURE TIME

 

6 hrs

16 hrs

24 hrs

48 hrs

72 hrs

96 hrs

120 hrs

Cell Cycle

HP

G0/1

S

G2/M

HP

G0/1

S

G2/M

HP

G0/1

S

G2/M

HP

G0/1

S

G2/M

HP

G0/1

S

G2/M

HP

G0/1

S

G2/M

HP

G0/1

S

G2/M

(PI staining)

3.1

30.9

27.5

41.6

4.9

25.7

29.0

45.3

5.5

3.1

9.1

87.8

35.5

5.9

12.3

81.8

33.3

19.8

7.9

72.3

39.0

31.4

10.9

57.7

53.5

57.1

23.4

19.5

 

6 hrs

16 hrs

24 hrs

48 hrs

72 hrs

96 hrs

    

JC-1

3.0

10.4

24.5

53.6

60.0

91.3

    

Low FSC area

5.4

7.4

6.6

2.2

2.3

3.3

    

Low FSC/SSC area

6.5

8.5

24.2

29.6

32.5

33.6

    

MAA+PI staining

E

L

N

 

E

L

N

 

E

L

N

 

E

L

N

 

E

L

N

 

E

L

N

     
 

N.E.

N.E.

N.E.

 

N.E.

N.E.

N.E.

 

0.5

0.7

9.9

 

28.1

25.1

12.5

 

19.0

39.6

12.9

 

21.2

42.7

15.6

     

AnnV+PI staining

E

L

N

 

E

L

N

 

E

L

N

 

E

L

N

 

E

L

N

 

E

L

N

     
 

N.E.

N.E.

N.E.

 

N.E.

N.E.

N.E.

 

6.5

0.9

5.1

 

14.7

15.9

7.5

 

27.7

43.4

8.3

 

21.7

56.5

9.9

     

TUNEL

N.E.

N.E.

4.7

9.3

28.6

70.4

    
  1. Top table: untreated (control) HT1376 bladder carcinoma cultures. Bottom table: HT1376 bladder carcinoma cultures were treated for 1 hour with 3 μg/mL docetaxel, after which the drug was washed out and the cells were further cultured. Figures are percentages of cells with the indicated characteristics. Data are the average of 3 independent experiments, with errors below 10%. For details, see the Methods section. N.E. = Not Examined; HP = Hypodiploid Peak; JC-1 = cells undergoing Δψm transition; E = early apoptosis, i.e. MAA+/PI- or AnnV+/PI-; L = late apoptosis, i.e. MAA+/PI+ or AnnV+/PI+; N = necrosis, i.e. MAA-/PI+ or AnnV-/PI+