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Table 1 Chromosome content of MDCK, MDCK I, and MDCK II cells

From: Long term culture of MDCK strains alters chromosome content

Strain

Supplier

Passage, time in culture

Chromosome mean number

Range

Figure

MDCK

ATCC

passage 11 (upon receipt)

77*

74-81

Figure 1A

- maintained for two months in culture (10 passages, 60 generations)

75

68-81

Figure 1B

MDCK I

Kai Simmons

passage 21 (upon receipt)

79*

76-83

Figure 1C

- maintained for one month in culture (5 passages, 30 generations)

78

72-82

Figure 1D

- maintained for two months in culture (10 passages, 60generations)

76

60-80

Figure 1E

MDCK II

ECACC

passage 27 (upon receipt)

75*

69-80

Figure 1F

- maintained for one month in culture (5 passages, 30 generations)

75

66-82

Figure 1G

- maintained for two months in culture (10 passages, 60 generations)

73

52-81

Figure 1H

- maintained for two months in culture (20 passages, 60 generations)

73

51-81

Figure 1I

- maintained for three months in culture (15 passages, 90 generations)

69

47-82

Figure 1J

MDCK II

from six different laboratories

passage 46

78

74-81

Figure 2A

passage unknown

75*

67-82

Figure 2B

passage unknown

75

63-105

Figure 2C

passage 16

71

51-79

Figure 2D

  

passage 26

78 a

49-157

Figure 2E

  

passage unknown

112a

60-144

Figure 2F

  1. * mean number and modal number, a 85 metaphases analyzed.