Table 1 Sixteen groups of MT1A and MT2A SNP combinations of MT1A rs11640851, MT1A rs8052394, MT2A rs10636, and MT2A rs28366003, according to wild types and variant types.

From: The association of blood lead levels and renal effects may be modified by genetic combinations of Metallothionein 1A 2A polymorphisms

Group

Principle of the combination

MT1A2A combination

Case number

Percentage (%)

1

Wild-Wild-Wild-Wild

CCAAGGAA

20

4.1

2

Variant-Wild-Wild-Wild

AAAAGGAA, ACAAGGAA

77

15.9

3

Wild-Variant-Wild-Wild

CCAGGGAA, CCGGGGAA

46

9.5

4

Wild-Wild-Variant-Wild

CCAACCAA, CCAAGCAA

14

2.9

5

Wild-Wild-Wild-Variant

CCAAGGAG

32

6.6

6

Variant-Variant-Wild-Wild

AAAGGGAA, ACAGGGAA, ACGGGGAA

55

11.3

7

Variant-Wild-Variant-Wild

AAAACCAA, AAAAGCAA, ACAACCAA, ACAAGCAA

67

13.8

8

Variant-Wild-Wild-Variant

AAAAGGAG, ACAAGGAG

6

1.2

9

Wild-Variant-Variant-Wild

CCAGGCAA, CCGGGCAA

23

4.7

10

Wild-Variant-Wild-Variant

CCAGGGAG, CCAGGGGG

5

1.0

11

Wild-Wild-Variant-Variant

CCAACCAG, CCAACCGG, CCAAGCAG

5

1.0

12

Variant-Variant-Variant-Wild

AAAGCCAA, AAAGGCAA, AAGGGCAA, ACAGCCAA, ACAGGCAA, ACGGGCAA

79

16.3

13

Variant-Variant-Wild-Variant

ACAGGGAG

6

1.2

14

Variant-Wild-Variant-Variant

AAAACCAG, AAAAGCAG, ACAACCAG, ACAAGCAG

28

5.8

15

Wild-Variant-Variant-Variant

CCAGCCAG, CCAGCCGG, CCAGGCAG, CCGGCCAG, CCGGGCAG

10

2.1

16

Variant-Variant-Variant-Variant

AAGGGCAG, ACAGCCAG, ACAGGCAG, ACGGGCAG

12

2.5

Total

  

485

100