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Table 1 Novel and high frequency mtDNA polymorphisms detected in Shanxi, China.

From: Control region mutations and the 'common deletion' are frequent in the mitochondrial DNA of patients with esophageal squamous cell carcinoma

Nucleotide Position

Base Change

Healthy Reference Samples (n = 23)

ESCC Case Samples (n = 21)

73

A-G

21

21

150

C-T

10

4

152

T-C

6

5

179

T-C*

1

0

195

T-C

5

2

249

A del

4

5

263

A-G

21

21

309

C-CC/CCC

16/6

12/4

310–311

TC del*

1

0

315

C-CC

19

21

320

C-T*

2

0

358

A-C*

2

0

368

A-G*

0

1

489

T-C

12

14

523–524

AC del*

6

7

548

C-T*

0

1

574

A-G*

0

1

16155

A-T*

1

0

16163

A-C*

1

0

16172

T-C

2

6

16183

A-C

6

5

16223

C-T

19

13

16289

A-C*

0

1

16298

T-C

4

5

16362

T-C

9

7

16519

T-C

12

9

16524

A-T*

0

1

  1. Novel polymorphisms (denoted by *) were those not reported in the Mitomap database as of 6/01/2003. High frequency was defined as polymorphisms present in ≥ 5 samples in either group. Nucleotide position was defined by the Cambridge reference sequence (GenBank NC 001807).
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BMC Cancer

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