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Table 1 Summary of biochemical data

From: Optimized allotopic expression of mitochondrial ND6 transgene restored complex I and apoptosis deficiencies caused by LHON-linked ND6 14484T > C mutation

  

C

CV0

CVND6

M

MV0

MVND6

Western blot analysis

ND6

100.0 ± 10.3

102.2 ± 6.8

120.4 ± 13.4

73.5 ± 2.0

74.8 ± 6.7

101.4 ± 4.9

ND4L

100.0 ± 2.6

98.5 ± 5.3

113.4 ± 16.7

56.0 ± 6.4

55.8 ± 23.3

103.9 ± 5.8

ND1

100.0 ± 9.1

102.2 ± 11.3

103.6 ± 12.6

77.4 ± 9.7

82.0 ± 11.3

110.5 ± 14.9

In-gel activity of complexes

Complex I

100.0 ± 5.1

101.3 ± 4.2

103.3 ± 6.2

78.4 ± 5.2

80.1 ± 5.9

101.0 ± 4.3

Complex IV

100.0 ± 5.1

102.1 ± 5.9

102.6 ± 6.6

104.6 ± 4.2

102.1 ± 3.7

99.5 ± 6.4

Steady levels of complexes

Complex I

100.0 ± 2.9

101.8 ± 3.3

100.2 ± 2.5

81.9 ± 3.9

81.0 ± 4.3

101.7 ± 6.6

Complex II

100.0 ± 14.7

99.5 ± 15.3

100.3 ± 14.4

101.1 ± 13.7

101.7 ± 13.5

100.6 ± 10.8

Complex IV

100.0 ± 13.1

101.4 ± 5.9

102.5 ± 6.3

99.1 ± 4.7

103.3 ± 7.9

100.1 ± 17.1

Membrane potential

- FCCP

100.0 ± 4.3

92.7 ± 2.7

100.3 ± 3.7

61.0 ± 2.4

61.2 ± 6.6

93.7 ± 4.8

ATP levels

2DG + pyruvate

100 ± 2.1

105.1 ± 3.0

112.6 ± 2.8

61.8 ± 2.3

64.9 ± 6.3

115.0 ± 5.4

Glucose

100.0 ± 2.6

102.7 ± 2.0

104.8 ± 1.3

100.7 ± 3.5

95.7 ± 2.7

105.6 ± 5.0

OCR

Basal

100.0 ± 3.5

99.4 ± 6.9

112.2 ± 5.5

76.1 ± 10.4

87.8 ± 5.7

106.4 ± 2.6

ATP-Link

100.0 ± 6.1

102.0 ± 35.6

125.7 ± 5.8

62.7 ± 21.6

65.5 ± 36.8

100.5 ± 3.2

Proton-Link

100.0 ± 7.6

97.7 ± 14.8

103.5 ± 10.8

84.9 ± 13.4

102.3 ± 19.6

110.2 ± 2.6

Maximal

100.0 ± 8.4

101.0 ± 6.9

109.6 ± 4.8

75.7 ± 16.3

87.6 ± 7.5

97.6 ± 3.5

Reserve Capacity

100.0 ± 19.0

103.6 ± 9.2

105.4 ± 9.9

75.1 ± 25.8

87.4 ± 11.3

83.5 ± 13.5

Non-mitochondrial

100.0 ± 6.0

84.2 ± 5.2

104.4 ± 17.9

79.6 ± 8.4

80.6 ± 4.3

119.0 ± 2.9

Mitochondrial ROS

100.0 ± 1.5

126.8 ± 3.7

118.7 ± 2.0

176.0 ± 2.0

185.0 ± 10.9

117.2 ± 2.9

Annexin V/PI apoptosis

100.0 ± 16.7

95.5 ± 8.3

97.7 ± 2.5

140.3 ± 10.5

144.2 ± 5.9

109.3 ± 4.4

Anti-oxidative enzymes

SOD2

100.0 ± 13.3

101.1 ± 13.4

101.6 ± 15.1

139.7 ± 9.0

136.6 ± 14.1

100.5 ± 6.5

SOD1

100.0 ± 14.0

101.1 ± 19.2

118.3 ± 18.1

175.8 ± 16.5

165.2 ± 16.9

121.6 ± 5.5

Catalase

100.0 ± 12.0

101.7 ± 7.1

100.2 ± 13.7

154.2 ± 19.0

161.3 ± 16.8

103.6 ± 19.9

Apoptosis-associated proteins

Cytochrome C

100.0 ± 5.3

98.2 ± 15.8

105.7 ± 14.2

162.8 ± 11.0

181.9 ± 27.9

115.3 ± 13.3

BAX

100.0 ± 25.7

99.2 ± 25.4

99.1 ± 23.4

156.9 ± 19.3

165.1 ± 21.1

112.5 ± 14.4

Bcl-xL

100.0 ± 13

100.6 ± 13.4

101.4 ± 14.8

73.8 ± 8.7

75.8 ± 9.7

100.1 ± 8.6

Caspase 3

100.0 ± 6.5

100.3 ± 3.3

108.6 ± 4.7

132.5 ± 7.4

140.0 ± 8.4

100.2 ± 8.2

Caspase 7

100.0 ± 23.6

105.4 ± 24.2

105.7 ± 20.3

172.2 ± 22.3

174.6 ± 42.2

101.6 ± 28.5

Caspase 9

100.0 ± 15.9

101.1 ± 14.8

103.9 ± 21.4

152.4 ± 11.2

165.1 ± 19.8

107.3 ± 22.9

Mitophagy-associated proteins

LC3

100.0 ± 24.7

100.2 ± 6.8

93.7 ± 8.5

75.9 ± 6.9

84.5 ± 5.6

107.1 ± 0.7

P62

100.0 ± 9.9

102.8 ± 3.7

104.5 ± 3.3

125.6 ± 3.6

119.7 ± 1.7

110.9 ± 2.3

PINK1

100.0 ± 12.0

100.8 ± 14.4

99.8 ± 12.3

71.1 ± 7.0

81.0 ± 13.3

102.1 ± 14.9

Parkin

100.0 ± 29.6

99.8 ± 1.1

105.8 ± 2.2

74.5 ± 3.7

73.3 ± 1.5

90.7 ± 4.9