GENETIC SUSCEPTIBILITY TO ENVIRONMENTAL CARCINOGENESIS
GSEC: An International Collaborative Project
STATUS

                                                                Current Data Entry Status

                                                         (Last Update - February 28, 2008)

                                                          Investigators: 185
                                                          Studies: 304
                                                          Total subjects: 124,456
                                                          Cases: 53,072 
                                                          Controls: 71,384

DISTRIBUTION OF  THE DATA SET BY SITE AND GENE

Site

n

n%

 

GENE

Controls (n)

Cases (n)

Lung

15,529

29.3

 

GSTM1

43,789

36,240

Bladder

4,776

9.0

 

GSTT1

36,235

29,582

Breast

6,367

12.0

 

CYP1A1

20,932

15,017

Head and Neck

7,010

13.2

 

CYP2E1

7,635

6,549

Colon/Rectum

9,887

18.6

 

CYP2D6

6,735

6,420

Stomach

2,267

4.3

 

NAT2

12,773

9,289

Leukemia/Lymphoma

2,010

3.8

 

GSTM3

4,137

4,558

Skin

1628

3.3

 

GSTP1

16,069

15,288

Prostate

861

1.6

 

EPX

5,540

4,273

Ovary

147

0.3

 

NAT1

5,514

3,843

Other

2,590

4.9

 

ADH3

1,350

663

Total

53,072

100.0

 

NQO1

4,564

4,335

 

 

 

 

CYP1B1

5,464

5,152

 

 

 

 

MPO

5,177

4,686

 

 

 

 

MTHFR

14,320

8,860


DISTRIBUTION OF GENETIC POLYMORPHISMS AVAILABLE IN THE DATA SET

Multiple Genes

Controls (n)

Cases (n)

Two genes

11,880

8,760

Three genes

11,248

7,061

Four genes

9,845

7,891

Five or more genes

16,526

15,539

*These refer to any combination of the above genes

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