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Table 1 Genotype distribution

From: Genotype frequencies for polymorphisms related to chemotherapy-induced nausea and vomiting in a Japanese population

No.

Gene

Localization

SNP

Exchange

N

Genotype frequencies (%)

MAF

HWE

−/−

+/−

+/+

1

HTR3A

5′ UTR

rs1062613

C > T

200

150 (75.0)

48 (24.0)

2 (1.0)

0.13

0.64

2

HTR3B

Promotor

−100_-102 AAG insertion/deletion

delAAG

127

94 (74.0)

27 (21.3)

6 (4.7)

-

-

3

Exon 5

rs1176744

T > G

198

102 (51.5)

83 (41.9)

13 (6.6)

0.28

0.62

4

Exon 6

Ala223Thr

G > A

200

200 (100)

0 (0)

0 (0)

0

-

5

HTR3C

Exon 5

rs6766410

A > C

191

79 (41.4)

81 (42.4)

31 (16.2)

0.37

0.80

6

TACR1

Exon 2

Y192H

T > C

200

200 (100)

0 (0)

0 (0)

0

-

7

Exon 4

rs17838409

G > A

200

200 (100)

0 (0)

0 (0)

0

-

8

DRD2

Exon 7

rs6277

C > T

200

179 (89.5)

21 (10.5)

0 (0)

0.06

0.98

9

Intron 6

rs1076560

C > A

200

76 (38.0)

95 (47.5)

29 (14.5)

0.38

1.00

10

COMT

Exon 4

rs4680

G > A

197

88 (44.6)

85 (43.2)

24 (12.2)

0.34

0.87

  1. HWE Hardy-Weinberg equilibrium, MAF minor allele frequency, HTR3A serotonin 5-HT3A receptors, HTR3B serotonin 5-HT3B receptors, HTR3C serotonin 5-HT3C receptors, TACR1 tachykinin-1 receptors, DRD2 dopamine D2receptors, COMT catechol-O-methyltransferase